Automatic welding system for civil air defense door frame sealing strip

Abstract

The utility model relates to the technical field of welding, in particular to an automatic welding system for civil air defense door frame sealing strips, which comprises a support, a welding system, a fixing and positioning system and an automatic control system, a pair of parallel aluminum alloy cross beams are arranged on the front side and the rear side of the support, and a welding platform parallel to the aluminum alloy cross beams is arranged in the middle of the support. The welding system is slidably mounted on the aluminum alloy cross beam; the fixed positioning system comprises a pressing cylinder, a positioning block and a rotating cylinder; the pressing air cylinder is installed on the side wall of the welding platform and used for pressing the side wall of the workpiece. The rotating air cylinder is installed at the rear position of the top of the welding platform. According to the automatic welding system, mechanization and automation of the welding process are achieved, welding efficiency is greatly improved, and time and labor cost needed by manual welding are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding technical field, concretely is a civil air defense door frame sealing strip automatic welding system. BACKGROUND

[0002] At present, the sealing component welding of the civil air defense field for different models of door leaves and door frames has the problems of not easy positioning, easy deformation, large, long and heavy body angle steel, not easy to carry and the like, and still needs manual welding at the present stage. Because of the sealing and protection requirements, the component square steel and the body angle steel welding place need to be welded entirely, which increases the artificial workload and reduces the production efficiency.

[0003] Therefore, a new civil air defense door frame sealing strip automatic welding system is needed to solve the problems of sealing component welding efficiency, personnel positioning error and welding quality. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a civil air defense door frame sealing strip automatic welding system to solve the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme.

[0006] A civil air defense door frame sealing strip automatic welding system, comprising a support, a welding system, a fixed positioning system and an automatic control system, the front and rear sides of the support are provided with a pair of parallel aluminum alloy cross beams, the middle part of the support is provided with a welding platform parallel to the aluminum alloy cross beams, and the welding system is slidably installed on the aluminum alloy cross beams; the fixed positioning system comprises a pressing cylinder, a positioning block and a rotary cylinder; the pressing cylinder is installed on the side wall of the welding platform and is used for pressing the side wall of the workpiece; the rotary cylinder is installed at the rear position on the top of the welding platform and is used for driving the positioning block to rotate; the positioning block is provided with a clamping groove for clamping the square steel, and the positioning block is driven by the rotary cylinder to rotate to the front side to fix the square steel on the top wall of the workpiece; the welding system is installed on the aluminum alloy longitudinal beam, the aluminum alloy longitudinal beam is slidably installed on the pair of aluminum alloy cross beams through a guide rail, the welding system comprises a pair of welding gun heads, a wire feeder and a walking motor, the welding gun heads are in pairs, and the welding gun heads in the same group are used for welding from the front and rear sides, respectively, the walking motor is fixedly installed with a gear on the vertical shaft, and the gear is meshed with a rack installed on the outer wall of the aluminum alloy cross beam; one stroke limit switch is installed at each of the left and right ends of the aluminum alloy cross beam, and the automatic control system comprises PLC programming control to realize automatic welding work in the whole process.

[0007] Further, each welding gun head is configured with an electric screw rod sliding table, an electric control indexing rotary table and an electric push rod, the electric screw rod sliding table controls the front and back movement of the welding gun head, the electric control indexing rotary table is used for controlling the inclination angle of the welding gun head, and the electric push rod is used for controlling the extension length of the welding gun head.

[0008] Further, an inductive proximity switch is arranged between a pair of welding gun heads in the same group, which is used for sensing the square steel to be welded.

[0009] Further, the outer side of the gear is provided with a dustproof shield.

[0010] Further, the welding system is configured with a tank chain groove, and the tank chain groove is used for placing an air pipe and a cable.

[0011] Compared with the prior art, the welding system has the advantages that:

[0012] The automatic welding system is used, mechanical and automatic welding process is realized, welding efficiency is greatly improved, and the time and labor cost required by manual welding are reduced. The fixed positioning system ensures the accurate positioning of the workpiece and the square steel through the cooperation of the pressing cylinder and the rotating cylinder, reduces the error caused by manual positioning, and improves the welding quality. The welding system adopts a pair of welding gun heads, and the welding is performed from the front and back sides. The electric screw rod sliding table, the electric control indexing rotary table and the electric push rod are configured, the position and angle of the welding gun head can be flexibly adjusted according to the size of the workpiece, and the uniformity and quality of the welding seam are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a top view of a civil air defense door frame sealing strip automatic welding system;

[0014] Figure 2 It is a front view of a civil air defense door frame sealing strip automatic welding system;

[0015] Figure 3 It is a right view of a civil air defense door frame sealing strip automatic welding system;

[0016] Figure 4 It is a Figure 3 It is a local enlarged view of B;

[0017] Figure 5 It is a Figure 3 It is a local enlarged view of A;

[0018] Figure 6 It is a structure schematic view of a welding platform and components installed thereon;

[0019] Figure 7 It is a right view of a welding system;

[0020] Figure 8 is a top view of the welding system;

[0021] Figure 9 is a PLC wiring schematic of the automatic welding system for the civil air defense door frame sealing strip.

[0022] In the figure: 1, aluminum alloy cross beam; 2, guide rail; 3, gear; 4, positioning block; 5, dustproof shield; 7, wire feeder; 8, inductive proximity switch; 9, aluminum alloy longitudinal beam; 10, welding gun head; 12, travel limit switch; 13, workpiece; 14, rotary cylinder; 15, pressure cylinder; 16, walking motor; 17, support; 18, electric screw rod sliding table; 19, electric control indexing rotary table; 20, electric push rod; 21, welding platform; 22, square steel; 23, tank chain groove. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] Embodiment 1: Please refer to Figures 1-9 An automatic welding system for a civil air defense door frame sealing strip, comprising a support 17, a welding system, a fixed positioning system, and an automatic control system, a pair of parallel aluminum alloy cross beams 1 are arranged on the front and back of the support 17, a welding platform 21 parallel to the aluminum alloy cross beams 1 is arranged at the middle of the support 17, and the welding system is slidingly installed on the aluminum alloy cross beams 1; the fixed positioning system comprises a pressure cylinder 15, a positioning block 4, and a rotary cylinder 14; the pressure cylinder 15 is installed on the side wall of the welding platform 21 and is used for pressing the side wall of the workpiece 13; the rotary cylinder 14 is installed at the rear position on the top of the welding platform 21 and is used for driving the positioning block 4 to rotate; a clamping groove for clamping the square steel 22 is arranged on the positioning block 4, and when the positioning block 4 is driven by the rotary cylinder 14 to rotate to the front side, the square steel 22 is fixed to the top wall of the workpiece 13; the welding system is installed on the aluminum alloy longitudinal beam 9, the aluminum alloy longitudinal beam 9 is slidingly installed on the pair of aluminum alloy cross beams 1 through the guide rail 2, the welding system comprises a pair of welding gun heads 10, a wire feeder 7, and a walking motor 16, the welding gun heads 10 are arranged in pairs, and the welding gun heads 10 in the same group are used for welding from the front and back sides, respectively, the walking motor 16 is fixedly installed on the vertical shaft and is provided with a gear 3, and the gear 3 is meshingly installed with a rack installed on the outer wall of the aluminum alloy cross beam 1; a travel limit switch 12 is installed at each of the left and right ends of the aluminum alloy cross beam 1, and the automatic control system comprises PLC programming control and realizes automatic welding work in the whole process.

[0025] Each welding gun head 10 is equipped with an electric screw slide 18, an electric control indexing rotary table 19, and an electric push rod 20. The electric screw slide 18 controls the forward and backward movement of the welding gun head 10, the electric control indexing rotary table 19 is used to control the inclination angle of the welding gun head 10, and the electric push rod 20 is used to control the extension length of the welding gun head 10.

[0026] An inductive proximity switch 8 is arranged between a pair of welding gun heads 10 in the same group, which is used to sense the square steel 22 that needs to be welded.

[0027] A dustproof cover 5 is arranged on the outer side of the gear 3.

[0028] The welding system is equipped with a tank chain groove 23, which is used to place the air pipe and cable.

[0029] Working principle of the embodiment:

[0030] Preparation stage: place the workpiece 13 to be welded on the welding platform 21, and ensure the accurate position of the workpiece. At this time, the compression cylinder 15 is started to compress the sidewall of the workpiece, so as to ensure that the workpiece will not move during the welding process.

[0031] Positioning stage: the rotary cylinder 14 is started to drive the positioning block 4 to rotate to the front side, and the clamping groove on the positioning block clamps the square steel 22, so as to fix the square steel to the top wall of the workpiece. This process ensures the accurate positioning of the square steel during the welding process.

[0032] Welding stage: the automatic control system is started, and the PLC programming controls the entire welding process. The walking motor 16 is started, the gear 3 on the vertical shaft is engaged with the rack on the outer wall of the aluminum alloy cross beam 1, and the aluminum alloy longitudinal beam 9 and the welding system thereon are driven to slide along the guide rail 2. When the inductive proximity switch 8 senses the square steel that needs to be welded, the welding system starts to work. The pair of welding gun heads 10 respectively weld from the front and rear sides. The electric screw slide 18 controls the forward and backward movement of the welding gun head, the electric control indexing rotary table 19 adjusts the inclination angle of the welding gun head, and the electric push rod 20 controls the extension length of the welding gun head to adapt to the welding requirements of different positions and angles. The welding process is divided into two stages of spot welding and full welding. After the proximity switch senses the square steel, spot welding is performed first, and when the welding system reaches the travel limit switch 12 at the other end, it is folded back to perform full welding until it returns to the original starting point, completing the welding of the component.

[0033] End stage: after the welding is completed, the automatic control system stops the work of the welding system, the rotary cylinder 14 drives the positioning block 4 to rotate back to the original position, and the compression cylinder 15 is loosened, so that the workpiece can be taken out for the next process.

[0034] Dustproof cover and tank chain groove: the dustproof cover 5 outside the gear 3 effectively prevents dust and debris from damaging the gear, prolonging the service life of the equipment. The tank chain groove 23 is used to place the air pipe and cable, keeping the working area clean and safe.

[0035] The embodiment realizes the mechanization and automation of the welding process through the automatic welding system, greatly improves the welding efficiency, and reduces the time and labor cost required for manual welding. The fixed positioning system ensures the precise positioning of the workpiece and the square steel through the cooperation of the pressing cylinder 15 and the rotating cylinder 14, reduces the errors that may be caused by manual positioning, and improves the welding quality. The welding system adopts a pair of welding gun heads 10 arranged in pairs to weld from the front and rear sides, and is equipped with an electric screw rod sliding table 18, an electric control indexing rotary table 19 and an electric push rod 20, which can flexibly adjust the position and angle of the welding gun head according to the size of the workpiece, ensuring the uniformity and quality of the weld. The embodiment effectively solves the problems existing in the prior art, improves the welding efficiency and quality, and reduces the labor intensity and safety risk.

Claims

1. A kind of automatic welding system of human defense door frame sealing strip, including support (17), welding system, fixed positioning system, automatic control system, it is characterized in following: One pair of parallel aluminum alloy cross beams (1) is equipped with in the front and back of the support (17), the middle part of support (17) is equipped with welding platform (21) parallel with aluminum alloy cross beam (1), the welding system is slidably installed on aluminum alloy cross beam (1); The fixed positioning system includes pressing cylinder (15), positioning block (4) and rotary cylinder (14);The pressing cylinder (15) is installed on the side wall of welding platform (21), for pressing the side wall of workpiece (13);The rotary cylinder (14) is installed on the top of welding platform (21) rear position, for driving positioning block (4) rotation;The positioning block (4) is equipped with clamping groove for clamping square steel (22), and the positioning block (4) is driven to rotate to the front side by rotary cylinder (14), and the square steel (22) is fixed to the top wall of workpiece (13); The welding system is installed on aluminum alloy longitudinal beam (9), the aluminum alloy longitudinal beam (9) is slidably installed on a pair of aluminum alloy cross beams (1) by guide rail (2), the welding system includes a pair of welding gun heads (10), wire feeder (7) and walking motor (16), the welding gun head (10) is two two groups, and a pair of welding gun heads (10) in the same group is used for welding from front and back, the walking motor (16) is fixedly installed with gear (3) on the vertical shaft, and the gear (3) is meshed with the rack installed on the outer wall of aluminum alloy cross beam (1). Each welding gun head (10) is configured with electric screw rod sliding table (18), electric control indexing rotary table (19) and electric push rod (20), the electric screw rod sliding table (18) controls the welding gun head (10) to move back and forth, the electric control indexing rotary table (19) is used to control the inclination angle of welding gun head (10), and the electric push rod (20) is used to control the extension length of welding gun head (10).

2. The automatic welding system for sealing strips of a civil defense door frame according to claim 1, characterized in that: An inductive proximity switch (8) is arranged between a pair of welding gun heads (10) in the same group, for sensing the square steel (22) to be welded.

3. The automatic welding system for sealing strips of a civil defense door frame according to claim 2, characterized in that: The outer side of the gear (3) is provided with a dustproof shield (5).

4. The automatic welding system for sealing strips of a civil defense door frame according to claim 1, characterized in that: The welding system is configured with tank chain groove (23), and the tank chain groove (23) is used to place air pipe and cable.

5. The automatic welding system for sealing strip of civil air defense door frame according to claim 1, characterized in that: ​

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