CN115383342B - Welding system and welding process for sealing head and bottle mouth of fire extinguisher - Google Patents

Abstract

The invention belongs to the technical field of fire extinguisher processing, and particularly relates to a welding system and a welding process of a fire extinguisher seal head and a bottle mouth, wherein the welding system comprises: the device comprises a conveying unit, an annular frame and at least three material holders capable of placing workpieces, wherein the material holders are distributed on the annular frame at equal angles; the feeding unit can convey the workpiece to the material support; the welding unit can weld the workpiece on the stock support; the blanking unit comprises a pushing cylinder, and the pushing cylinder can push the workpiece on the material support away from the material support; the feeding unit, the welding unit and the discharging unit are distributed along the circumferential direction of the annular frame at equal angles, and the material holders can stay at the feeding unit, the welding unit and the discharging unit respectively under the drive of the annular frame.

Description

Welding system and welding process for sealing head and bottle mouth of fire extinguisher

Technical Field

The invention belongs to the technical field of fire extinguisher processing, and particularly relates to a welding system and a welding process for a sealing head and a bottle mouth of a fire extinguisher.

Background

The fire extinguisher, also called fire extinguishing cylinder, is a portable fire extinguishing tool. The fire extinguisher is internally provided with chemical substances for rescuing and extinguishing fire alarms. Fire extinguishers are one of the common fire protection facilities, and are stored in public places or in places where fire alarms may occur. The bottle body of the fire extinguisher comprises a cylinder body, an upper sealing head and a lower sealing head, and the upper sealing head and the lower sealing head are required to be welded on the cylinder body respectively during production of the fire extinguisher; in the prior art, for example, the bulletin number is: the Chinese patent of CN211759090U discloses an upper end socket welding machine based on the processing of a fire extinguisher cylinder, which solves the problems that when the upper end socket processed by the fire extinguisher cylinder is welded with the fire extinguisher cylinder, the operation steps of the omnibearing welding processing of the contact part of the upper end socket and the fire extinguisher cylinder are too complicated, and the welding part is easy to leak, so that the quality problem exists; however, when the welding machine is used, the welding machine is required to take down and install another cylinder and the upper sealing head after one fire extinguisher is welded in the welding process, workers are required to continuously take and put the fire extinguishers, the labor intensity is high, and the working efficiency depends on the speed of taking and putting the fire extinguishers by the workers.

Disclosure of Invention

The invention aims at solving the technical problems, and provides a welding system and a welding process for a sealing head and a bottle mouth of a fire extinguisher, which achieve the effects of high production efficiency and low labor intensity of workers.

In the invention, the cylinder body of the fire extinguisher is collectively called as a workpiece, and the upper sealing head is collectively called as a matching piece.

In view of this, the present invention provides a welding system for a sealing head and a bottle mouth of a fire extinguisher, comprising:

the material conveying unit comprises a driving base and an annular frame which can be driven by the driving base to rotate, at least three material holders capable of placing workpieces are arranged on the annular frame, the upper surfaces of the material holders are arc-shaped, and the material holders are distributed on the annular frame at equal angles;

the feeding unit can convey the workpiece to the material support;

the welding unit can weld the workpiece on the stock support;

the blanking unit comprises a pushing cylinder, and the pushing cylinder can push the workpiece on the material support away from the material support;

wherein, the feeding unit, the welding unit and the discharging unit are distributed along the circumference of the annular frame at equal angles, and the material rest can stay at the feeding unit, the welding unit and the discharging unit respectively under the driving of the annular frame.

In the technical scheme, a workpiece to be welded is conveyed to a material support opposite to the workpiece, the annular frame is driven by a driving base to drive the material support and the workpiece to move to a welding unit, the welding unit welds the workpiece on the material support opposite to the workpiece, the annular frame drives the material support and the workpiece to move to a blanking unit after welding, and a pushing cylinder pushes the welded workpiece from the material support opposite to the workpiece to finish blanking; according to the technical scheme, at least three material holders are used as examples, the distribution of the three material holders on the annular frame is opposite to the positions of the feeding unit, the welding unit and the discharging unit respectively, when the first material holder is used for feeding, the workpiece on the second material holder is subjected to welding operation, and the third material holder is used for discharging, so that uninterrupted welding can be realized, and the production efficiency is improved.

In the technical scheme, a limiting frame is further arranged above the annular frame, a first limiting unit is arranged on one side, away from the feeding unit, of the material rest, and the first limiting unit is connected with the limiting frame through a first connecting plate; a second limiting unit is arranged on one side of the material support, which is far away from the welding unit, and is connected with the limiting frame through a second connecting plate; the pushing cylinder is connected with the limiting frame through a third connecting plate.

In the technical scheme, in the process of carrying the material to move by the annular frame, the limiting frame is static, namely the positions of the first limiting unit, the second limiting unit and the pushing cylinder are fixed, the first limiting unit is opposite to the position of the feeding unit, the second limiting unit is opposite to the position of the welding unit, the first limiting unit is matched with the feeding unit to transfer the workpiece to the material support at the position, the second limiting unit is matched with the welding unit to weld the workpiece on the material support at the position, and the discharging unit pushes the welding piece on the material support at the position away from the material support.

In the above technical solution, further, the feeding unit further includes:

the speed reducing motor is arranged on the upper surface of the driving base, and an output shaft of the speed reducing motor is connected with the middle part of the annular frame;

the locating rack is coaxially arranged with the output shaft of the gear motor, the lower end of the locating rack is rotationally connected with the middle part of the annular rack, and the upper end of the locating rack is connected with the middle part of the limiting rack.

In this technical scheme, gear motor fixes and drives the annular frame on driving the base, and the locating rack is connected with spacing and annular frame for fix a position the installation of spacing, the installation of spacing of being convenient for.

In the above technical scheme, further, the material loading unit includes:

the conveying rack is provided with baffle plates on two sides of the upper surface, a conveying track is formed between the two baffle plates and the conveying rack, and a plurality of conveying rollers are arranged on the conveying track at intervals along the conveying direction;

the first limiting unit is opposite to the conveying track.

In the technical scheme, the conveying roller can rotate to convey the workpiece, the workpiece is conveyed to be close to the material support in the conveying track, and when the workpiece is conveyed to the material support and the end part of the workpiece is contacted with the first limiting unit, the conveying roller stops rotating to finish the feeding of one workpiece; when the next empty material tray moves to the feeding unit, the conveying roller starts to convey a workpiece to the corresponding material tray again.

In the above technical solution, further, the welding unit includes:

the welding base is arranged at one side of the annular frame, and the upper surface of the welding base is provided with a movable welding table;

the positioning ring is arranged on one side, close to the material support, of the upper surface of the welding table and can be penetrated by one end of a workpiece, and a welding through groove communicated with the inner wall is formed in the peripheral wall of the positioning ring;

the material placing table is arranged on one side of the positioning ring, which is far away from the material support, and is used for placing matching pieces which are matched and welded with the workpiece;

the rotary clamping plate is arranged on one side of the material placing table, which is far away from the positioning ring, and is coaxially arranged with the positioning ring, and is driven to rotate by a driving motor;

the welding end of the welding machine passes through the welding through groove and then approaches to the workpiece and the matching piece;

the first driving cylinder is used for driving the welding table to be close to or far away from the material support;

the second driving cylinder is used for driving the driving motor to be close to or far away from the material placing table;

the rotary clamping plate can push the matching piece into the positioning ring to match with the workpiece, the second limiting unit is opposite to the positioning ring in position, and the second limiting unit is rotationally connected with the second connecting plate.

In the technical scheme, the welding table can be driven by the first driving cylinder to approach or separate from the stock, the inner diameter of the positioning ring is slightly larger than the outer diameter of the workpiece, the welding through groove on the positioning ring can be used for the welding head of the welding machine to stretch in, one end of the workpiece can stretch into the positioning ring, the end part of the workpiece can stay at the position opposite to the welding through groove, the driving motor is driven by the second driving cylinder to bring the rotary clamping plate to approach the matching piece on the stock placing table, and the matching piece is pushed into the positioning ring from the end, far away from the workpiece, of the positioning ring, and stays at the position opposite to the welding through groove in the positioning ring; when the matching piece contacts with the workpiece, the rotary clamping plate is matched with the second limiting unit to clamp the workpiece and the matching piece, at the moment, the positions of the connecting positions of the welding head and the workpiece and the matching piece are opposite, and when the driving motor drives the rotary clamping plate to rotate, the workpiece and the matching piece can be driven to rotate together, so that the position of the welding machine is unchanged, and the workpiece and the matching piece can be welded in the circumferential direction.

In the above technical scheme, further, a storage box for storing the matching pieces is arranged above the material placing table, and one matching piece can be led out from the bottom of the storage box at a time; the bottom of the storage box is provided with a guide plate for transmitting the matching piece to the material placing table.

In this technical scheme, the workman deposits batch cooperation piece in the storage case, and after accomplishing a welding piece at every turn, second drive cylinder takes driving motor and rotatory cardboard to reset, and a cooperation piece is derived to storage case bottom this moment and is conducted to putting the material bench through the deflector, prepares the welding next time.

In the above technical scheme, further, the unloading unit includes:

the material guiding frame is arranged at one side of the material support far away from the material pushing cylinder, and the upper surface of the material guiding frame is provided with an inclined material guiding track;

the pushing plate is arranged on one side, far away from the material guide frame, of the material support, is opposite to the material guide track, and is connected with a piston rod of the pushing cylinder.

In this technical scheme, after the completion welding annular frame rotates and takes the work or material to hold in the palm and the welding piece motion to unloading unit department on the work or material holds in the palm, and the material pushing cylinder starts drive pushing plate and is close to the welding piece and pushes away the welding piece to guide the work or material rest, and the welding piece leaves the work or material rest after the back along the guide track on the guide work or material rest and slides downwards and be collected.

The invention also discloses a welding process which is carried out by using the welding system, and the welding process comprises the following steps:

s1, feeding: the feeding unit starts to feed in the direction of a material support opposite to the feeding unit, and when the end part of the workpiece contacts with the first limiting unit, the feeding unit stops moving to finish one-time feeding;

s2, welding: the first driving cylinder starts to push the welding table to a material support opposite to the welding table, so that a first end part of a workpiece on the material support stretches into the positioning ring and contacts with the matching piece, at the moment, the first driving cylinder continues to push the welding table until a second end of the workpiece contacts with the second limiting unit to finish clamping, at the moment, a welding machine is started, and a driving motor is started to enable the rotary clamping plate and the second limiting unit to cooperate to drive the workpiece and the matching piece to rotate, so that the workpiece and the matching piece are welded to obtain the welding piece; after the welding is finished, the first driving air cylinder is started to drive the welding table to be far away from the material support, at the moment, the welding piece withdraws from the positioning ring and stays on the material support, and the second driving air cylinder is started to drive the driving motor and the rotary clamping plate to withdraw to one side of the material placing table far away from the positioning ring;

s3, blanking: the pushing cylinder is started to drive the pushing plate to be close to the material support opposite to the pushing plate in position, the welding piece on the material support is pushed to the material guide frame, and the welding piece enters the collecting box under the guide of the material guide frame to finish discharging.

In the technical scheme, when one material support is fed, the workpieces on the other material supports can be welded and fed, all the working procedures are synchronously carried out, the production efficiency is improved, meanwhile, the manual feeding and discharging of workers are not needed, and the labor intensity of the workers is reduced.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

Fig. 1 is a schematic view of a directional three-dimensional structure of a feeding unit of a welding system according to the present invention.

Fig. 2 is a schematic view of a welding unit directional perspective structure of the welding system according to the present invention.

Fig. 3 is a schematic top view of a welding system according to the present invention.

Fig. 4 is a schematic perspective view illustrating the direction of a feeding unit in the working state of the welding system according to the present invention.

Fig. 5 is a schematic perspective view of a welding unit in a working state of the welding system according to the present invention.

FIG. 6 is a schematic top view of the welding system of the present invention in operation.

FIG. 7 is a schematic view of the structure of the workpiece, the mating member and the welding member according to the present invention.

Fig. 8 is a schematic view of a partial enlarged structure at a in fig. 1.

Fig. 9 is a schematic view of a partially enlarged structure at B in fig. 1.

Fig. 10 is a schematic view of a partially enlarged structure at C in fig. 2.

The label in the figure is:

101-driving base, 102-annular frame, 103-material support, 104-gear motor, 105-positioning frame, 2-feeding unit, 201-conveying frame, 202-baffle, 203-conveying roller, 3-welding unit, 301-welding base, 302-welding table, 303-positioning ring, 3031-welding slot, 304-material placing table, 305-rotating clamping plate, 306-driving motor, 307-welding machine, 308-first driving cylinder, 309-second driving cylinder, 4-blanking unit, 401-pushing cylinder, 402-pushing plate, 403-guiding frame, 5-limiting frame, 501-first limiting unit, 502-first connecting plate, 503-second limiting unit, 504-second connecting plate, 505-third connecting plate, 6-storing box, 601-guiding plate, 7-collecting box, 100-workpiece, 200-fitting piece, 300-welding piece.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present application, it is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. For ease of description, the dimensions of the various features shown in the drawings are not drawn to actual scale. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type and not limited to the number of objects, e.g., the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

It should be noted that, in the description of the present application, the terms "front, rear, upper, lower, left, right", "horizontal, vertical, horizontal", and "top, bottom", etc. generally refer to an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, and merely for convenience of description of the present application and simplification of the description, the azimuth terms do not indicate and imply that the apparatus or element referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

It should be noted that, in this application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

Example 1

The embodiment of the application discloses welding system of fire extinguisher head and bottleneck, include: the material conveying unit comprises a driving base 101 and an annular frame 102 which can be driven by the driving base 101 to rotate, wherein the annular frame 102 is provided with at least three material holders 103 capable of placing workpieces 100, the upper surfaces of the material holders 103 are arc-shaped, and the material holders 103 are distributed on the annular frame 102 at equal angles; a loading unit 2 capable of conveying the workpiece 100 onto a stock 103; a welding unit 3 capable of welding the workpiece 100 on the stock 103; the blanking unit 4 comprises a pushing cylinder 401, wherein the pushing cylinder 401 can push the workpiece 100 on the stock 103 away from the stock 103; the feeding unit 2, the welding unit 3 and the discharging unit 4 are distributed along the circumference Xiang Dengjiao degrees of the annular frame 102, and the material holders 103 can stay at the feeding unit 2, the welding unit 3 and the discharging unit 4 under the driving of the annular frame 102.

In this embodiment, referring to fig. 1 and 2, a gear motor 104 is disposed on the upper surface of the driving base 101, an output shaft of the gear motor 104 faces upwards and is connected with the middle part of the annular frame 102, and the gear motor 104 is started to drive the annular frame 102 to rotate so as to drive the material rest 103 on the annular frame 102 to move; the number of the holders 103 on the ring frame 102 may be multiple of 3, such as 3, 6, and 9, so that when one holder 103 is opposite to the position of the feeding unit 2, two more holders 103 can be opposite to the positions of the welding unit 3 and the blanking unit 4, respectively, referring to fig. 3, in this embodiment, a case where 6 holders 103 are provided is shown; the upper surface of the stock 103 is arc-shaped, so that the revolving body workpiece 100 can be stably placed.

The feeding unit 2 comprises a conveying frame 201 and a first limiting unit 501, wherein two sides of the upper surface of the conveying frame 201 are provided with baffle plates 202, a conveying track is formed between the two baffle plates 202 and the conveying frame 201, a plurality of conveying rollers 203 are arranged on the conveying track at intervals along the conveying direction, the conveying rollers 203 can be driven to rotate, the space between the two baffle plates 202 is provided with a width phase adaptation of a workpiece 100, the workpiece 100 is used for limiting conveying of the workpiece 100, and the workpiece 100 is placed in the conveying track to be contacted with the conveying rollers 203 so as to be conveyed; the first limiting unit 501 is opposite to the conveying track, in the feeding process, the first limiting unit 501, the material rest 103 and the conveying track are positioned on the same straight line, and the workpiece 100 is conveyed to the material rest 103 by the conveying roller 203 and stays on the material rest 103 under the limiting action of the first limiting unit 501; referring to fig. 1, in the present embodiment, a cake-shaped plate with a diameter larger than that of the workpiece 100 is selected as the first limiting unit 501, and the first limiting unit 501 is fixedly connected to a side of the material support 103 far from the conveying track through an L-shaped first connecting plate 502.

Referring to fig. 9 and 10, the welding unit 3 includes: a welding base 301, which is arranged at one side of the annular frame 102, and the upper surface of which is provided with a movable welding table 302; the positioning ring 303 is arranged on one side, close to the material support 103, of the upper surface of the welding table 302, and is used for penetrating one end of the workpiece 100, and a welding through groove 3031 communicated with the inner wall is formed in the outer peripheral wall of the positioning ring; the material placing table 304 is arranged on one side of the positioning ring 303 away from the material support 103, and the upper surface of the material placing table is arc-shaped and is used for placing the matching piece 200 which is matched and welded with the workpiece 100; the rotary clamping plate 305 is arranged on one side of the material placing table 304 far away from the positioning ring 303, is coaxially arranged with the positioning ring 303, and is provided with an arc-shaped groove on the surface of one side of the rotary clamping plate near the positioning ring 303 for clamping the end part of the matching piece 200, and is driven to rotate by the driving motor 306; a welder 307 having a welding end passing through the welding pass through groove 3031 and approaching the workpiece 100 and the mating member 200; a first driving cylinder 308 for driving the welding table 302 to approach or depart from the stock 103; a second driving cylinder 309, configured to drive the driving motor 306 to approach or depart from the material placing table 304; the rotating clamping plate 305 can push the matching piece 200 into the positioning ring 303 to match with the workpiece 100, the second limiting unit 503 is opposite to the positioning ring 303, and the second limiting unit 503 is rotationally connected with the second connecting plate 504; in this embodiment, the second limiting unit 503 is also a pie-shaped plate with a diameter larger than that of the workpiece 100, an arc-shaped slot can be formed on the surface of one side of the second limiting unit 503, which is close to the workpiece 100, for clamping the end of the workpiece 100, the second limiting unit 503 is installed on one side, far away from the positioning ring 303, of the material holder 103 through an L-shaped second connecting plate 504, unlike the first limiting unit 501, the second limiting unit 503 can rotate relative to the second connecting plate 504, after the matching piece 200 contacts with the workpiece 100, the rotating clamping plate 305 cooperates with the second limiting unit 503 to clamp the workpiece 100 with the matching piece 200, at this time, the workpiece 100 can be slightly suspended in the material holder 103, and can also continue to contact with the material holder 103, and the driving motor 306 is started to drive the rotating clamping plate 305, the workpiece 100, the matching piece 200 and the second limiting unit 503 to cooperate with the welding machine 307 to realize complete circumferential welding of the workpiece 100 and the matching piece 200.

The blanking unit 4 includes: the material pushing device comprises a material pushing cylinder 401, a material pushing plate 402 and a material guiding frame 403, wherein the material pushing cylinder 401 is fixed on one side of a material support 103 through a third connecting plate 505 which is L-shaped, the material guiding frame 403 is arranged on one side of the material support 103 away from the material pushing cylinder 401, and an inclined material guiding rail is arranged on the upper surface of the material guiding frame 403; the pushing plate 402 is arranged on one side of the material support 103 away from the material guide frame 403, the pushing plate 402 is opposite to the material guide rail, the pushing plate 402 is connected with a piston rod of the pushing cylinder 401, when the welding piece 300 arrives between the pushing plate 402 and the material guide frame 403 under the conveying of the material support 103, the pushing unit starts to push the welding piece 300 to the material guide frame 403, and after the welding piece 300 is separated from the material support 103, the welding piece 300 contacts with the material guide rail and can move downwards along the material guide rail and be collected at the lower end of the material guide rail.

In this embodiment, the upper ends of the first connecting plate 502, the second connecting plate 504, and the third connecting plate 505 are connected with a limiting frame 5, please refer to fig. 1, and the limiting frame 5 extends to the outside of the annular frame 102 toward both ends and is fixed on the ground, so as to ensure the stability of the first connecting plate 502, the second connecting plate 504, and the third connecting plate 505, and the first connecting plate 502, the second connecting plate 504, and the third connecting plate 505 may also be designed to be connected with the limiting frame 5 through fasteners, so as to facilitate disassembly and replacement.

In this embodiment, signal receiving devices may be respectively disposed on the feeding unit 2, the welding unit 3, and the discharging unit 4, and corresponding signal transmitting devices may be disposed on the tray 103, and the control system controls the gear motor 104 to work to achieve accurate stopping of the tray 103 at corresponding positions.

Example 2

The embodiment discloses a welding system of fire extinguisher head and bottleneck, except including the technical scheme of above-mentioned embodiment, still improved the installation of locating part frame:

in the embodiment, a positioning frame 105 is arranged at the bottom of a limiting frame 5, the positioning frame 105 is coaxially arranged with an output shaft of a speed reducing motor 104, the lower end of the positioning frame 105 is rotationally connected with the middle part of an annular frame 102, and the upper end of the positioning frame 105 is connected with the middle part of the limiting frame 5; the upper end of the positioning frame 105 can be designed into a hexagonal prism type or a polygonal prism type, a clamping groove capable of being clamped into the upper end of the positioning frame 105 is formed in the bottom of the limiting frame 5, the positioning frame 105 is firstly installed on the annular frame 102 before the limiting frame 5 is installed, the upper end of the positioning frame 105 is clamped into the bottom clamping groove of the limiting frame 5 when the limiting frame 5 is installed, and then the limiting frame 5 and the positioning frame 105 are fixed through a fastener.

Through above-mentioned technical scheme, the installation and the dismantlement of spacing 5 of being convenient for.

Example 3

The embodiment discloses a welding system for a sealing head and a bottle mouth of a fire extinguisher, which not only comprises the technical scheme of the embodiment, but also improves a welding machine unit;

referring to fig. 10, in the present embodiment, a storage box 6 for storing the matching pieces 200 is disposed above the material placing table 304, and one matching piece 200 can be guided out from the bottom of the storage box 6 at a time; the bottom of the storage box 6 is provided with a guide plate 601 for conducting the matching piece 200 to the material placing table 304.

In this embodiment, the matching piece 200 in the storage box 6 is led out after the previous welding operation is completed and the rotating clamping plate 305 is reset, and as for the structure of leading out the matching piece 200 at the bottom of the storage box 6, the present embodiment is not limited in particular, as long as the structure of leading out one matching piece 200 at a time can be implemented, and all the structures can be applied to the present embodiment; the two guide plates 601 are arranged on two sides perpendicular to the moving direction of the rotary clamping plate 305, the distance between the two guide plates 601 is larger than the diameter of the rotary clamping plate 305, and grooves for limiting the matching piece 200 are formed in the opposite side walls of the guide plates 601.

Through the technical scheme, the matching piece 200 can be automatically supplemented to the material placing table 304, and the labor intensity of workers is reduced.

Example 4

The embodiment discloses a welding process, which is performed by using the welding system, and comprises the following steps:

s1, feeding: the feeding unit 2 starts feeding in the direction of the material rest 103 opposite to the position of the feeding unit, and when the end part of the workpiece 100 is in contact with the first limiting unit 501, the feeding unit 2 stops moving to finish one-time feeding;

s2, welding: the second driving cylinder 309 starts to push the matching piece 200 on the placing table 304 into the positioning ring 303, and makes the matching piece 200 located at the welding slot 3031, the first driving cylinder 308 starts to push the welding table 302 to the material support 103 opposite to the welding table, so that the first end part of the workpiece 100 on the material support 103 stretches into the positioning ring 303 and contacts with the matching piece 200, at this time, the first driving cylinder 308 continues to push the welding table 302 until the second end of the workpiece 100 contacts with the second limiting unit 503 to complete clamping, at this time, the welding machine 307 starts and the driving motor 306 starts to make the rotating clamping plate 305 and the second limiting unit 503 cooperate to drive the workpiece 100 and the matching piece 200 to rotate, so as to weld the workpiece 100 and the matching piece 200 to obtain the welding piece 300; after the welding is finished, the first driving air cylinder 308 is started to drive the welding table 302 to be far away from the stock 103, at the moment, the welding piece 300 is withdrawn from the positioning ring 303 and stays on the stock 103, and the second driving air cylinder 309 is started to withdraw to one side, far away from the positioning ring 303, of the material placing table 304 with the driving motor 306 and the rotating clamping plate 305;

s3, blanking: the pushing cylinder 401 is started to drive the pushing plate 402 to approach the material rest 103 opposite to the pushing plate, the welding piece 300 on the material rest 103 is pushed to the material guiding frame 403, and the welding piece 300 enters the collecting box 7 under the guiding of the material guiding frame 403 to finish discharging.

Referring to fig. 4-6, in this embodiment, the feeding step, the welding step, and the discharging step may be performed simultaneously, and since the time required for the welding step is long, after the feeding step and the discharging step are completed, the feeding unit 2 and the discharging unit 4 may be temporarily stopped, and after the welding is completed and the tray 103 is transported once, the feeding unit 2 and the discharging unit 4 are started again;

in this embodiment, the collecting box 7 is placed on one side of the material guiding frame 403 away from the material support 103, the upper opening of the collecting box 7 is lower than the lower end of the material guiding track, and the welding piece 300 moves downwards along the material guiding track and can enter the collecting box 7 to be collected;

the end of the workpiece 100 near the positioning ring 303 only partially extends into the positioning ring 303, so that when the positioning ring 303 moves away from the workpiece 100 after welding is completed, the workpiece 100 can rest on the stock 103 by virtue of the weight of the workpiece 100.

The embodiments of the present application and the features of the embodiments may be combined without conflict, and the present application is not limited to the specific embodiments described above, which are merely illustrative, not restrictive, and many forms may be made by those of ordinary skill in the art, without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.

Claims (7)

1. A welding system for a fire extinguisher head and a bottle mouth, comprising:

the conveying unit comprises a driving base (101) and an annular frame (102) which can be driven by the driving base (101) to rotate, wherein at least three material holders (103) capable of placing workpieces (100) are arranged on the annular frame (102), the upper surfaces of the material holders (103) are arc-shaped, and the material holders (103) are distributed on the annular frame (102) at equal angles;

a loading unit (2) capable of conveying a workpiece (100) onto the stock (103);

a welding unit (3) capable of welding the workpiece (100) on the stock (103);

the blanking unit (4) comprises a pushing cylinder (401), wherein the pushing cylinder (401) can push a workpiece (100) on the stock (103) away from the stock (103);

the feeding units (2), the welding units (3) and the discharging units (4) are distributed along the circumference of the annular frame (102) at equal angles, and the material holders (103) can stay at the feeding units (2), the welding units (3) and the discharging units (4) under the driving of the annular frame (102) respectively;

the welding unit (3) comprises:

a welding base (301) arranged on one side of the annular frame (102), and the upper surface of the welding base is provided with a movable welding table (302);

the positioning ring (303) is arranged on one side, close to the stock (103), of the upper surface of the welding table (302) and can be penetrated by one end of the workpiece (100), and a welding through groove (3031) communicated with the inner wall is formed in the outer peripheral wall of the positioning ring;

the material placing table (304) is arranged on one side, far away from the material rest (103), of the positioning ring (303) and is used for placing a matching piece (200) matched and welded with the workpiece (100);

the rotary clamping plate (305) is arranged on one side of the material placing table (304) far away from the positioning ring (303), is coaxially arranged with the positioning ring (303), and is driven to rotate by a driving motor (306);

a welding machine (307) with a welding end passing through the welding through groove (3031) and approaching to the workpiece (100) and the matching piece (200);

a first driving cylinder (308) for driving the welding table (302) to approach or depart from the stock rest (103);

the second driving cylinder (309) is used for driving the driving motor (306) to be close to or far away from the material placing table (304);

the rotary clamping plate (305) can push the matching piece (200) into the positioning ring (303) to match with the workpiece (100), the second limiting unit (503) is opposite to the positioning ring (303), and the second limiting unit (503) is rotationally connected with the second connecting plate (504).

2. The fire extinguisher head and finish welding system according to claim 1, wherein: a limiting frame (5) is arranged above the annular frame (102), a first limiting unit (501) is arranged on one side, away from the feeding unit (2), of the material rest (103), and the first limiting unit (501) is connected with the limiting frame (5) through a first connecting plate (502); a second limiting unit (503) is arranged on one side, far away from the welding unit (3), of the material support (103), and the second limiting unit (503) is connected with the limiting frame (5) through a second connecting plate (504); the pushing cylinder (401) is connected with the limiting frame (5) through a third connecting plate (505).

3. The fire extinguisher head and finish welding system according to claim 2, wherein the feed unit further comprises:

the gear motor (104) is arranged on the upper surface of the driving base (101), and an output shaft of the gear motor is connected with the middle part of the annular frame (102);

the positioning frame (105) is coaxially arranged with the output shaft of the gear motor (104), the lower end of the positioning frame is rotationally connected with the middle part of the annular frame (102), and the upper end of the positioning frame is connected with the middle part of the limiting frame (5).

4. A fire extinguisher head and finish welding system according to claim 3, wherein the loading unit (2) comprises:

the conveying device comprises a conveying frame (201), wherein baffle plates (202) are arranged on two sides of the upper surface of the conveying frame, a conveying track is formed between the two baffle plates (202) and the conveying frame (201), and a plurality of conveying rollers (203) are arranged on the conveying track at intervals along the conveying direction;

the first limiting unit (501) is opposite to the conveying track.

5. The welding system of a fire extinguisher head and a bottle mouth according to claim 4, wherein a storage box (6) for storing the matching pieces (200) is arranged above the material placing table (304), and one matching piece (200) can be led out of the bottom of the storage box (6) at a time; the bottom of the storage box (6) is provided with a guide plate (601) for conducting the matching piece (200) to the material placing table (304).

6. A welding system for fire extinguisher heads and bottle mouths according to claim 5, wherein the blanking unit (4) comprises:

the material guiding frame (403) is arranged on one side of the material support (103) far away from the material pushing cylinder (401), and an inclined material guiding track is arranged on the upper surface of the material guiding frame;

the pushing plate (402) is arranged on one side, far away from the material guide frame (403), of the material support (103), is opposite to the material guide track, and is connected with a piston rod of the pushing cylinder (401).

7. A welding process adapted for use in the welding system of claim 6, comprising the steps of:

s1, feeding: the feeding unit (2) starts feeding in the direction of a material support (103) opposite to the feeding unit, and when the end part of the workpiece (100) is contacted with the first limiting unit (501), the feeding unit (2) stops moving to finish one-time feeding;

s2, welding: the second driving cylinder (309) starts to push the matching piece (200) on the material placing table (304) into the positioning ring (303), the matching piece (200) is positioned at the welding groove (3031), the first driving cylinder (308) starts to push the welding table (302) to the material rest (103) opposite to the welding table, the first end part of the workpiece (100) on the material rest (103) stretches into the positioning ring (303) and is in contact with the matching piece (200), at the moment, the first driving cylinder (308) continues to push the welding table (302) until the second end of the workpiece (100) is in contact with the second limiting unit (503) to finish clamping, at the moment, the welding machine (307) is started and the driving motor (306) is started to enable the rotating clamping plate (305) and the second limiting unit (503) to cooperatively drive the workpiece (100) and the matching piece (200) to rotate, and therefore the workpiece (100) and the matching piece (200) are welded to obtain the welding piece (300); after welding is finished, the first driving cylinder (308) is started to drive the welding table (302) to be far away from the stock (103), at the moment, the welding piece (300) is withdrawn from the positioning ring (303) and stays on the stock (103), and the second driving cylinder (309) is started to withdraw to one side, far away from the positioning ring (303), of the material placing table (304) with the driving motor (306) and the rotating clamping plate (305);

s3, blanking: the pushing cylinder (401) is started to drive the pushing plate (402) to be close to the material support (103) opposite to the pushing plate in position, the welding piece (300) on the material support (103) is pushed to the guide material frame (403), and the welding piece (300) enters the collecting box (7) under the guide of the guide material frame (403) to finish blanking.

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