Multi-station automatic welding equipment for fire extinguisher steel cylinder valve seat

Abstract

The utility model discloses a fire extinguisher steel cylinder valve seat multi-station automatic welding device which comprises a machine frame, an upper end socket feeding assembly and a bottle opening feeding assembly are arranged at the left end and the right end of the machine frame respectively, and the output end of the upper end socket feeding assembly is connected with a plurality of upper end socket transition feeding assemblies respectively. The output end of the bottle opening feeding assembly is connected with a plurality of bottle opening transition feeding assemblies, the bottle opening transition feeding assemblies are fixed to a plurality of upper end socket transition feeding assemblies, and the upper end socket transition feeding assemblies are connected with a plurality of supporting plates through connecting frames. The upper sealing head feeding assembly and the bottle opening feeding assembly are arranged to be matched with the upper sealing head transition feeding assembly and the bottle opening transition feeding assembly, so that the automatic feeding and feeding effects are achieved, manual feeding is not needed, and the working efficiency is improved; and meanwhile, the valve seat tool, the upper sealing head abutting driving assembly and the bottle opening abutting driving assembly are arranged to be matched with the welding assembly to achieve the double-station automatic welding machining effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to extinguisher processing equipment technical field, concretely relates to a kind of extinguisher steel bottle valve seat multi-station automatic welding equipment. BACKGROUND

[0002] Fire extinguisher is a portable fire extinguishing tool. Chemicals are placed inside the fire extinguisher to extinguish fires. Fire extinguishers are one of the common fire-fighting equipment, stored in public places or places where fire may occur. Different types of fire extinguishers contain different components and are designed for different fire causes.

[0003] The valve of the fire extinguisher is installed on the top of the fire extinguisher to control the opening and closing of the fire extinguisher. Therefore, it is essential to weld the valve seat during assembly to avoid affecting the normal use of the fire extinguisher. In the prior art, the bottle mouth and the upper head are transported to the work station and then manually removed for welding. However, this manual process cannot guarantee the processing quality and efficiency, and cannot meet the production requirements. SUMMARY

[0004] The utility model aims at providing a kind of extinguisher steel bottle valve seat multi-station automatic welding equipment to solve the problems of time-consuming and laborious manual operation, poor processing quality and efficiency, and inability to meet production requirements in the existing extinguisher steel bottle valve seat welding process.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A kind of extinguisher steel bottle valve seat multi-station automatic welding equipment, including rack, the left and right ends of rack are respectively provided with upper head feeding assembly and bottle mouth feeding assembly, the output end of upper head feeding assembly is connected with several upper head transition feeding assemblies respectively, the output end of bottle mouth feeding assembly is connected with several bottle mouth transition feeding assemblies respectively, several bottle mouth transition feeding assemblies are fixed on several upper head transition feeding assemblies, several upper head transition feeding assemblies are connected with several support plates respectively by connecting frame, several support plates are respectively arranged on rack, several bottle mouth transition feeding assemblies and several upper head transition feeding assemblies below are respectively provided with valve seat tooling, the end away from upper head transition feeding assembly of valve seat tooling is connected with guide frame by setting connecting plate, valve seat tooling is arranged on tooling adjusting assembly, tooling adjusting assembly is arranged on support plate, the end away from upper head transition feeding assembly of support plate is provided with upper head abutment driving assembly, support seat is arranged on the opposite side of upper head abutment driving assembly, support seat is connected with rack by support seat adjusting assembly, bottle mouth abutment driving assembly is arranged on support seat, and welding assembly is arranged at the top end of support seat.

[0007] Optionally, the upper head feeding assembly comprises an upper head feeding elevator, a first material guiding channel is arranged at an output end of the upper head feeding elevator, the first material guiding channel is connected with a conveying belt, the conveying belt is arranged on a rack, a plurality of material pushing cylinders are arranged on the conveying belt at intervals, a plurality of proximity switches are arranged beside the plurality of material pushing cylinders on the conveying belt, a plurality of discharging racks are arranged beside the plurality of proximity switches, and the plurality of discharging racks are connected with the upper head transition feeding assembly respectively.

[0008] Optionally, the bottle mouth feeding assembly comprises a bottle mouth feeding elevator, a second material guiding channel is arranged at an output end of the bottle mouth feeding elevator, the second material guiding channel is connected with an auxiliary material guiding frame, and the auxiliary material guiding frame is connected with the plurality of bottle mouth transition feeding assemblies at the connection positions respectively.

[0009] Optionally, the upper head transition feeding assembly comprises an L-shaped feeding channel, a discharging rack is arranged above one end of the L-shaped feeding channel, a first material blocking cylinder is arranged at an end of the L-shaped feeding channel away from the discharging rack, and a valve seat tool is arranged below the L-shaped feeding channel.

[0010] Optionally, the bottle mouth transition feeding assembly comprises a linear feeding channel, the linear feeding channel is connected with the connection frame at a top end of the linear feeding channel, a second material blocking cylinder is arranged at a bottom end of the linear feeding channel, and a valve seat tool is arranged below the linear feeding channel.

[0011] Optionally, the tool adjusting assembly comprises a rodless cylinder, an output end of the rodless cylinder is connected with the valve seat tool, the rodless cylinder is arranged on a limiting guide rail through a cylinder mounting seat, the limiting guide rail is arranged on a support plate, one end of the cylinder mounting seat is connected with a first cylinder output end, and the first cylinder is arranged on the support plate.

[0012] Optionally, the upper head abutting driving assembly comprises an upper head abutting plate, the upper head abutting plate is connected with an output end of an aluminum shell motor through a rotating shaft, the rotating shaft is mounted on a support plate through a bearing, and the aluminum shell motor is fixed on the support plate.

[0013] Optionally, the support seat adjusting assembly comprises an auxiliary slide rail, the auxiliary slide rail is arranged on a rack, a support seat is arranged on the auxiliary slide rail in a sliding mode, a second cylinder is arranged at an end of the support seat away from the support plate, an output end of the second cylinder is connected with a baffle, and the baffle is vertically fixed on the rack.

[0014] Optionally, the bottle mouth abutting driving assembly comprises a bottle mouth abutting rod, the bottle mouth abutting rod is arranged in a rod sleeve, the rod sleeve is arranged on a support seat through a bearing, an abutting head is arranged at an end of the bottle mouth abutting rod away from the support seat, a buffer spring is arranged outside the end of the bottle mouth abutting rod and connected with the rod sleeve, the end of the bottle mouth abutting rod away from the abutting head is rotationally connected with an adapter block, the end of the adapter block away from the bottle mouth abutting rod is connected with a third cylinder output end, and the third cylinder is fixed on the support seat.

[0015] Optionally, the welding assembly comprises a welding gun clamp block, the welding gun clamp block is arranged above the bottle mouth abutting driving assembly, the top end of the welding gun clamp block is provided with a lifting connecting rod, the lifting connecting rod is arranged in the mounting block through locking bolts, one end of the mounting block is hingedly arranged on the cross rod, the cross rod is arranged in the sliding sleeve through locking bolts, the bottom end of the sliding sleeve is arranged in the mounting sleeve through the rotating rod, the rotating rod is connected with the mounting sleeve through locking bolts, and the mounting sleeve is arranged on the support base.

[0016] The beneficial effects of the utility model are that: through setting up the upper head feeding assembly and the bottle mouth feeding assembly cooperate with the upper head transition feeding assembly and the bottle mouth transition feeding assembly, the effect of automatic feeding and feeding is realized, manual feeding is not needed, the working efficiency is improved, the welding assembly is arranged with the valve seat tooling, the upper head abutting driving assembly and the bottle mouth abutting driving assembly, the double-station automatic welding machining effect is realized, the machining quality is ensured and the machining efficiency is improved, and the production demand is met. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model will be explained through examples and the mode of referring to the drawings, wherein:

[0018] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0019] Figure 2 It is the three-dimensional structure schematic diagram of the utility model;

[0020] Figure 3 It is the three-dimensional structure schematic diagram of the utility model;

[0021] Figure 4 It is the three-dimensional structure schematic diagram of the upper head feeding assembly and the bottle mouth feeding assembly in the utility model;

[0022] Figure 5 It is the three-dimensional structure schematic diagram of the upper head feeding assembly and the bottle mouth feeding assembly in the utility model;

[0023] Figure 6 It is the three-dimensional structure schematic diagram of the rack, the upper head transition feeding assembly, the bottle mouth transition feeding assembly, the upper head abutting driving assembly, the bottle mouth abutting driving assembly and the valve seat tooling in the utility model;

[0024] Figure 7 It is the three-dimensional structure schematic diagram of the rack, the upper head transition feeding assembly, the bottle mouth transition feeding assembly, the upper head abutting driving assembly, the bottle mouth abutting driving assembly and the valve seat tooling in the utility model;

[0025] Figure 8 It is the three-dimensional structure schematic diagram of the rack, the upper head transition feeding assembly, the bottle mouth transition feeding assembly, the upper head abutting driving assembly, the bottle mouth abutting driving assembly and the valve seat tooling in the utility model;

[0026] Figure 9 It is the stereoscopic structure schematic view of the valve seat tool and the tool adjusting assembly and the supporting plate in the utility model.

[0027] In the figure: 1, rack; 2, upper head feeding assembly; 201, upper head feeding elevator; 202, first material guiding passage; 203, conveying belt; 204, material pushing cylinder; 205, proximity switch; 206, discharging rack; 3, bottle mouth feeding assembly; 301, bottle mouth feeding elevator; 302, second material guiding passage; 303, auxiliary material guiding rack; 304, connecting frame; 4, L-shaped feeding passage; 5, supporting plate; 6, first material blocking cylinder; 7, linear feeding passage; 8, second material blocking cylinder; 9, valve seat tool; 91, rodless cylinder; 92, cylinder mounting seat; 93, limiting guide rail; 94, first cylinder; 10, connecting plate; 11, material guiding rack; 12, aluminum shell motor; 13, rotating shaft; 14, upper head abutting plate; 15, supporting seat; 151, auxiliary sliding rail; 152, second cylinder; 153, baffle; 16, bottle mouth abutting rod; 161, rod sleeve; 162, abutting head; 163, third cylinder; 17, welding gun clamping block; 171, lifting connecting rod; 172, mounting block; 173, cross rod; 174, sliding sleeve; 175, mounting sleeve. DETAILED DESCRIPTION

[0028] Any feature in the present description, unless explicitly stated, can be replaced by alternative or equivalent features. That is, each feature is one example only of a range of equivalent or similar features.

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0030] In the description of the utility model, it should be pointed out that the directions or position relationships indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like are the directions or position relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0031] In the description of the utility model, it should be pointed out that, unless otherwise expressly provided and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, welding, riveting, bonding and the like, or detachable connection, threaded connection, key connection, pin connection and the like, or integrally connected; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through an intermediate medium; can be internal communication of several elements. For ordinary skilled persons in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0032] As Figures 1-9 The utility model provides a kind of valve seat of fire extinguisher steel cylinder multi-station automatic welding equipment, including rack 1, rack 1 left and right two ends are respectively set up upper head feeding assembly 2 and bottle mouth feeding assembly 3, upper head feeding assembly 2 output end is connected with several upper head transition feeding assembly respectively, bottle mouth feeding assembly 3 output end is connected with several bottle mouth transition feeding assembly respectively, several bottle mouth transition feeding assembly is fixed on several upper head transition feeding assembly, several upper head transition feeding assembly is connected with several support plate 5 respectively by connecting frame, several support plate 5 is set up on rack 1 respectively, several bottle mouth transition feeding assembly and several upper head transition feeding assembly below are respectively set valve seat tooling 9, valve seat tooling 9 is connected with guide frame 11 by setting connecting plate 10 far from upper head transition feeding assembly one end, valve seat tooling 9 is set on tooling adjusting assembly, tooling adjusting assembly is set on support plate 5, support plate 5 far from upper head transition feeding assembly one end sets up upper head abutment drive assembly, upper head abutment drive assembly opposite side sets up support seat 15, support seat 15 is connected with rack 1 by support seat adjusting assembly, support seat 15 is set bottle mouth abutment drive assembly, support seat 15 top end sets up welding assembly.It needs to be explained that, upper head abutment drive assembly and bottle mouth abutment drive assembly are on the same center line, so as to clamp and rotate upper head and bottle mouth in valve seat tooling 9, guarantee welding processing quality;Valve seat tooling 9 is set as semicircle block, and top end is respectively set open upper head placing groove and open bottle mouth placing groove, upper head placing groove corresponds upper head transition feeding assembly output end, bottle mouth placing groove corresponds bottle mouth transition feeding assembly output end, and valve seat tooling 9 bottom sets up magnetite for positioning upper head and bottle mouth and assembling, and its suction force does not affect subsequent rotary welding processing, guide frame 11 is inclined to set up and facilitate guiding product to the required working position;Upper head transition feeding assembly, bottle mouth transition feeding assembly, support plate 5, valve seat tooling 9, tooling adjusting assembly, upper head abutment drive assembly, bottle mouth abutment drive assembly, support seat 15, support seat adjusting assembly, welding assembly are respectively set as a group, and at least set as two groups.

[0033] Specifically, the upper head feeding assembly 2 comprises an upper head feeding elevator 201, the first guide channel 202 is arranged at the output end of the upper head feeding elevator 201, the first guide channel 202 is connected with the conveying belt 203, the conveying belt 203 is arranged on the rack 1, a plurality of pushing air cylinders 204 are arranged on the conveying belt 203 at intervals, the opposite sides of the plurality of pushing air cylinders 204 are respectively provided with proximity switches 205 on the conveying belt 203, a plurality of discharge racks 206 are respectively arranged beside the plurality of proximity switches 205, and the plurality of discharge racks 206 are respectively connected with the upper head transition feeding assembly. It should be noted that the proximity switches 205 work in cooperation with the pushing air cylinders 204 and the conveying belt 203, so that a plurality of upper heads are pushed to pass through the discharge racks 206 and enter the upper head transition feeding assembly each time, thereby achieving the effect of automatic feeding, the pushing air cylinders 204, the proximity switches 205 and the discharge racks 206 are respectively arranged in a group, and at least two groups are arranged.

[0034] Specifically, the bottle mouth feeding assembly 3 comprises a bottle mouth feeding elevator 301, the second guide channel 302 is arranged at the output end of the bottle mouth feeding elevator 301, the second guide channel 302 is connected with the auxiliary guide rack 303, and the auxiliary guide rack 303 is connected with the plurality of bottle mouth transition feeding assemblies at the corresponding connection positions and is respectively provided with the connection frames 304. It should be noted that the bottle mouth feeding elevator 301 cooperates with the second guide channel 302 and the auxiliary guide rack 303 to enable the bottle mouth to pass through the connection frames 304 and enter the bottle mouth transition feeding assembly, thereby achieving the effect of automatic feeding.

[0035] Specifically, the upper head transition feeding assembly comprises an L-shaped feeding channel 4, the discharge rack 206 is arranged at the upper end of one end of the L-shaped feeding channel 4, the first blocking air cylinder 6 is arranged at the end of the L-shaped feeding channel 4 away from the discharge rack 206, and the valve seat tooling 9 is arranged below the L-shaped feeding channel 4. It should be noted that the arrangement of the first blocking air cylinder 6 ensures that one upper head is fed each time, thereby avoiding affecting subsequent processing.

[0036] Specifically, the bottle mouth transition feeding assembly comprises a linear feeding channel 7, the linear feeding channel 7 is connected with the connection frame 304 at the top end, the second blocking air cylinder 8 is arranged at the bottom end of the linear feeding channel 7, and the valve seat tooling 9 is arranged below the linear feeding channel 7. It should be noted that the arrangement of the second blocking air cylinder 8 ensures that one bottle mouth is fed each time, thereby avoiding affecting subsequent processing.

[0037] Specifically, the tool adjusting assembly comprises a rodless cylinder 91, the output end of the rodless cylinder 91 is connected with the valve seat tool 9, the rodless cylinder 91 is arranged on the limiting guide rail 93 through a cylinder mounting seat 92, the limiting guide rail 93 is arranged on the support plate 5, one end of the cylinder mounting seat 92 is connected with the output end of a first cylinder 94, and the first cylinder 94 is arranged on the support plate 5. It should be noted that the valve seat tool 9 can move up and down through the work of the rodless cylinder 91, and move forward and backward through the work of the cylinder mounting seat 92, the first cylinder 94 and the limiting guide rail 93, so as to adjust the working position of the valve seat tool 9, and also adjust the working position of the material guide frame 11.

[0038] Specifically, the upper head abutting driving assembly comprises an upper head abutting plate 14, the upper head abutting plate 14 is connected with the output end of the aluminum shell motor 12 through a rotating shaft 13, the rotating shaft 13 is mounted on the support plate 5 through a bearing, and the aluminum shell motor 12 is fixed on the support plate 5. It should be noted that the aluminum shell motor 12 drives the rotating shaft 13 to rotate, so that the upper head abutting plate 14 rotates, and then drives the upper head to rotate and move for welding processing.

[0039] Specifically, the support seat adjusting assembly comprises an auxiliary sliding rail 151, the auxiliary sliding rail 151 is arranged on the rack 1, the support seat 15 is arranged on the auxiliary sliding rail 151 in a sliding mode, a second cylinder 152 is arranged at the end of the support seat 15 away from the support plate 5, the output end of the second cylinder 152 is connected with a baffle 153, and the baffle 153 is vertically fixed on the rack 1. It should be noted that the support seat 15 can adjust its working position by using the work of the second cylinder 152, the baffle 153 and the auxiliary sliding rail 151, so as to adjust the working position of the bottle mouth abutting driving assembly.

[0040] Specifically, the bottle mouth abutting driving assembly comprises a bottle mouth abutting rod 16, the bottle mouth abutting rod 16 is arranged in a rod sleeve 161, the rod sleeve 161 is arranged on the support seat 15 through a bearing, an abutting head 162 is arranged at the end of the bottle mouth abutting rod 16 away from the support seat 15, a buffer spring is arranged outside the end of the bottle mouth abutting rod 16 and connected with the rod sleeve 161, the end of the bottle mouth abutting rod 16 away from the abutting head 162 is rotationally connected with a connecting block, the end of the connecting block away from the bottle mouth abutting rod is connected with the output end of a third cylinder 163, and the third cylinder 163 is fixed on the support seat 15. It should be noted that the bottle mouth abutting rod 16 and the rod sleeve 161 can rotate on the support seat 15, the bottle mouth abutting rod 16 can also move left and right on the support seat 15 through the work of the third cylinder 163 and the connecting block, so as to achieve the effect that the abutting head 162 abuts against the bottle mouth and also rotates, and ensure the rotation stability when the bottle mouth is welded with the upper head.

[0041] Specifically, the welding assembly comprises a welding gun clamp block 17 arranged above the bottle mouth abutting driving assembly, a lifting connecting rod 171 is arranged at the top end of the welding gun clamp block 17, the lifting connecting rod 171 is arranged in a mounting block 172 through locking bolts, one end of the mounting block 172 is hingedly arranged on a cross rod 173, the cross rod 173 is arranged in a sliding sleeve 174 through locking bolts, the sliding sleeve 174 is arranged in a mounting sleeve 175 through a rotating rod at the bottom end, the rotating rod is connected with the mounting sleeve 175 through locking bolts, and the mounting sleeve 175 is arranged on the support base 15. It should be noted that the working angle of the welding gun clamp block 17 can be lifted, translated and rotated according to requirements, so as to adjust the working angle of the welding gun, meet the welding processing precision, the welding gun clamp block 17 is composed of a plurality of clamping blocks in upper and lower positions and locking bolts, and the inner walls of the clamping blocks are all provided with buffer pads.

[0042] The working principle of the specific embodiment is that first, the working position of the abutting head 162 is adjusted according to requirements by using the third cylinder 163, and the welding gun clamp block 17 is adjusted by using the lifting connecting rod 171, the mounting block 172, the cross rod 173 and the sliding sleeve 174 in cooperation with the locking bolts, so as to achieve the effect of adjusting the working angle of the welding gun.

[0043] Then, the upper end cover is conveyed to the conveying belt 203 through the first material guiding channel 202 by the upper end cover feeding elevator 201, and a plurality of upper end covers are pushed to enter the L-shaped feeding channel 4 through the discharging frame 206 by the proximity switch 205 in cooperation with the pushing cylinder 204 each time, while the bottle mouth is conveyed into the linear feeding channel 7 through the second material guiding channel 302, the auxiliary material guiding frame 303 and the connecting frame 304 by the bottle mouth feeding elevator 301, and the first material blocking cylinder 6 and the second material blocking cylinder 8 work to ensure that a plurality of processing stations enter a single upper end cover and bottle mouth each time in the above process.

[0044] When a single upper end cover and bottle mouth respectively fall into the valve seat tool 9 from the L-shaped feeding channel 4 and the linear feeding channel 7, the valve seat tool 9 drives the assembled upper end cover and bottle mouth to move to the side of the upper end cover abutting plate 14 by the work of the rodless cylinder 91 and the first cylinder 94;

[0045] The bottle mouth abutting rod 16 and the abutting head 162 are driven to move to abut the bottle mouth by the work of the second cylinder 152, so that the bottle mouth and the upper end cover are clamped between the abutting head 162 and the upper end cover abutting plate 14;

[0046] At this time, the welding gun works, and the aluminum shell motor 12 works to drive the upper head abutting plate 14 to rotate, the bottle mouth, the upper head, the rod sleeve 161, the bottle mouth abutting rod 16 and the abutting head 162 rotate accordingly, when one rotation is completed, the second cylinder 152 works to reset the bottle mouth abutting rod 16 and the abutting head 162 away from the product after welding, at this time, the valve seat tooling 9 has been reset and is below the L-shaped feeding channel 4 and the linear feeding channel 7, and the material guide frame 11 is below the product after welding, so that the product is guided and conveyed;

[0047] When welding, the valve seat tooling 9 is reset to assemble the next set of products, and when the product guiding is completed after welding, the valve seat tooling 9 moves to the side of the upper head abutting plate 14, and the cycle is repeated.

[0048] The utility model is not limited to the foregoing specific embodiments. The utility model extends to any new feature or any new combination disclosed in the specification, and any new method or process step or any new combination disclosed.

Claims

1. A multi-station automatic welding equipment for fire extinguisher cylinder valve seats, characterized in that: The machine includes a frame, with an upper end feeding assembly and a bottle neck feeding assembly respectively installed at its left and right ends. The output ends of the upper end feeding assemblies are connected to several upper end transition feeding assemblies, and the output ends of the bottle neck feeding assemblies are connected to several bottle neck transition feeding assemblies. The bottle neck transition feeding assemblies are fixed to the upper end transition feeding assemblies. The upper end transition feeding assemblies are connected to several support plates via connecting frames. The support plates are respectively mounted on the frame. The bottle neck transition feeding assemblies and the upper end feeding assemblies... Valve seat fixtures are respectively installed below the head transition feeding assembly. The end of the valve seat fixture away from the upper head transition feeding assembly is connected to the guide frame through a connecting plate. The valve seat fixture is installed on the fixture adjustment assembly, which is installed on the support plate. An upper head abutment drive assembly is installed at the end of the support plate away from the upper head transition feeding assembly. A support seat is installed on the opposite side of the upper head abutment drive assembly. The support seat is connected to the frame through a support seat adjustment assembly. A bottle mouth abutment drive assembly is installed on the support seat. A welding assembly is installed at the top of the support seat.

2. The multi-station automatic welding equipment for fire extinguisher cylinder valve seats according to claim 1, characterized in that: The upper end cap feeding assembly includes an upper end cap feeding elevator. The output end of the upper end cap feeding elevator is provided with a first material guiding channel, which is connected to a conveyor belt. The conveyor belt is mounted on the frame. A plurality of pushing cylinders are spaced apart on the conveyor belt. Proximity switches are respectively provided on the opposite side of the plurality of pushing cylinders on the conveyor belt. Discharge racks are respectively provided next to the plurality of proximity switches. The plurality of discharge racks are respectively connected to the upper end cap transition feeding assembly.

3. The multi-station automatic welding equipment for fire extinguisher cylinder valve seats according to claim 1, characterized in that: The bottle neck feeding assembly includes a bottle neck feeding elevator. The output end of the bottle neck feeding elevator is provided with a second material guide channel. The second material guide channel is connected to an auxiliary material guide frame. The auxiliary material guide frame is provided with a connecting frame for each of the several bottle neck transition feeding assembly connection points.

4. The multi-station automatic welding equipment for fire extinguisher cylinder valve seats according to claim 2, characterized in that: The upper end cap transition feeding assembly includes an L-shaped feeding channel, with the discharge rack located above one end of the L-shaped feeding channel, a first baffle cylinder located at the end of the L-shaped feeding channel away from the discharge rack, and the valve seat fixture located below the L-shaped feeding channel.

5. The multi-station automatic welding equipment for fire extinguisher cylinder valve seats according to claim 3, characterized in that: The bottle neck transition feeding assembly includes a straight feeding channel, the top of which is connected to the connecting frame, a second baffle cylinder is provided at the bottom of the straight feeding channel, and the valve seat fixture is provided below the straight feeding channel.

6. The multi-station automatic welding equipment for fire extinguisher cylinder valve seats according to claim 1, characterized in that: The tooling adjustment assembly includes a rodless cylinder. The output end of the rodless cylinder is connected to the valve seat tooling. The rodless cylinder is mounted on a limiting guide rail via a cylinder mounting seat. The limiting guide rail is mounted on the support plate. One end of the cylinder mounting seat is connected to the output end of a first cylinder. The first cylinder is mounted on the support plate.

7. The multi-station automatic welding equipment for fire extinguisher cylinder valve seats according to claim 1, characterized in that: The upper end cap abutment drive assembly includes an upper end cap abutment plate, which is connected to the output end of an aluminum shell motor via a rotating shaft. The rotating shaft is mounted on the support plate via bearings, and the aluminum shell motor is fixed to the support plate.

8. The multi-station automatic welding equipment for fire extinguisher cylinder valve seats according to claim 1, characterized in that: The support adjustment assembly includes an auxiliary slide rail, which is mounted on the frame. The support is slidably mounted on the auxiliary slide rail. A second cylinder is mounted on the end of the support away from the support plate. The output end of the second cylinder is connected to a baffle plate, which is vertically fixed on the frame.

9. The multi-station automatic welding equipment for fire extinguisher cylinder valve seats according to claim 1, characterized in that: The bottle mouth abutment drive assembly includes a bottle mouth abutment rod, which is disposed within a rod sleeve. The rod sleeve is mounted on the support base via a bearing. An abutment joint is disposed at the end of the bottle mouth abutment rod away from the support base. A buffer spring is sleeved on one end of the bottle mouth abutment rod and connected to the rod sleeve. A transition block is rotatably connected to the end of the bottle mouth abutment rod away from the abutment joint. The end of the transition block away from the bottle mouth abutment rod is connected to the output end of a third cylinder. The third cylinder is fixed on the support base.

10. The multi-station automatic welding equipment for fire extinguisher cylinder valve seats according to claim 1, characterized in that: The welding assembly includes a welding torch clamp, which is positioned above the bottle mouth abutment drive assembly. A lifting connecting rod is provided at the top of the welding torch clamp, and the lifting connecting rod is mounted inside the mounting block by locking bolts. One end of the mounting block is hinged to a crossbar, and the crossbar is mounted inside a sliding sleeve by locking bolts. The bottom end of the sliding sleeve is mounted inside the mounting sleeve by a rotating rod, and the rotating rod is connected to the mounting sleeve by locking bolts. The mounting sleeve is mounted on the support base.

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