A double-head double-sided seamless welding equipment

Abstract

The present invention relates to the technical field of welding equipment, and in particular discloses a double-headed double-sided seamless welding equipment. The double-headed double-sided seamless welding equipment comprises a frame with an electrical box installed at the end, and is characterized in that: a left welding head is fixedly installed at the left end of the frame, a slide rail is laid on the frame and the right welding head is installed on the slide rail, a left head operation control box and a right head operation control box are installed on the left welding head and the right welding head respectively, and a program compilation screen connected to the electrical box is installed on the frame; a profile positioning device corresponding to the left welding head and the right welding head is installed on the side of the frame; the left welding head and the right welding head both include a flipping mechanism installed on a lifting and translation device, and a welding gun is installed on the flipping mechanism. The present invention has a simple structure, reasonable design, flexible application, safety and speed, short production cycle, effectively improves welding quality and work efficiency, provides a reliable guarantee for meeting welding precision requirements, and is suitable for welding various types of profile parts.

Description

1. Technical field

[0002] The invention relates to the technical field of welding equipment, in particular to a double-head double-sided seamless welding equipment. 2. Background technology

[0004] With the development of the aluminum profile industry, the demand for seamless welding technology is increasing due to its high welding strength and beautiful appearance. At present, there are a large number of single-head single-sided welding equipment on the market. After welding one side, the profile needs to be manually flipped over and the other side welded. The production efficiency is low, and the welding strength is reduced due to the secondary clamping of the tooling. In addition, there are various types of welding robots on the market, but the operation of welding robots is relatively complicated and the cost is high, so they have not been well promoted. (III) Summary of the invention

[0006] In order to make up for the deficiencies of the prior art, the present invention provides a double-head double-sided seamless welding device which has a simple structure, is easy to operate and has high welding efficiency.

[0007] The present invention is achieved through the following technical solutions:

[0008] A double-headed, double-sided seamless welding device comprises a frame with an electrical box installed at the end, characterized in that: a left welding head is fixedly installed at the left end of the frame, a slide rail is laid on the frame and a right welding head is installed on the slide rail, a left head operation control box and a right head operation control box are respectively installed on the left welding head and the right welding head, and a program compilation screen connected to the electrical box is installed on the frame; a profile positioning device corresponding to the left welding head and the right welding head is installed on the side of the frame; the left welding head and the right welding head both include a flipping mechanism installed on a lifting and translation device, and a welding gun is installed on the flipping mechanism.

[0009] The present invention is equipped with two welding heads on the same frame, which can weld two corners of the profile at the same time, and the welding gun is installed on the flip mechanism, which can be switched between the upper and lower sides, realizing a welding method that can perform both top-down welding and bottom-up welding. One clamping can achieve welding of a total of four welds on the upper and lower sides of the profile, the operation is simple, and the welding efficiency is more than doubled.

[0010] A better technical solution of the present invention is:

[0011] The lifting and translation device comprises a support plate mounted on a frame and having a vertical lifting rail mounted on the side, a lifting slide seat mounted on the lifting rail, a lifting servo motor connected via a lifting lead screw pair mounted at the end of the lifting slide seat, a front and rear translation rail mounted on the front end surface of the lifting slide seat, and a flip mechanism mounted inside the front and rear translation rails; a translation servo motor connected to the flip mechanism via a translation lead screw pair is mounted on the support plate. The above arrangement connects the welding gun flip mechanism to the lifting slide seat via the rail, realizes the horizontal movement of the welding gun via the front and rear translation rails, the translation servo motor, and the translation lead screw pair; realizes the lifting and lowering movement of the welding gun via the lifting servo motor, the lifting slide rail, and the lifting lead screw pair.

[0012] A synchronous belt tensioning mechanism is connected between the lifting servo motor and the lifting slide to provide protection and monitoring for the synchronous movement of the two; a fixed block is arranged at the bottom of the support plate, and the fixed block is respectively connected to the support plate and the ground by threads and bolts, and the overall installation stability and operation stability of the device are achieved through the connection of the fixed block.

[0013] The flip mechanism comprises a moving base plate mounted on the lifting and translation device, a flip cylinder is mounted on the moving base plate, the output shaft of the flip cylinder is connected to the bearing box through a connecting flange, a half shaft is mounted at the end of the output shaft of the bearing box, a rotatable handle is mounted on the half shaft, and a welding gun is fixed at the end of the handle through a clamp. The welding gun is fixed to the handle through the clamp, the handle can adjust the angle of the welding gun up and down, the half shaft rotates through the bearing box, the connecting flange is used to control the rotation angle of the half shaft, and the rotating cylinder serves as a power source for rotation to provide rotation power for the device.

[0014] The turning cylinder is fixed on the moving bottom plate together with the cylinder fixing plate and the bearing box, thereby ensuring the stability of the turning cylinder and the integrity of the device.

[0015] The profile positioning device includes a front workbench for side positioning of the profile installation and a rear workbench for rear positioning of the profile installation, the profile mounting holes for side positioning and rear positioning of the profile are vertical in angle and horizontal in position, a front clamping cylinder corresponding to the side positioning of the profile is installed on the front workbench, and a rear clamping cylinder corresponding to the rear positioning of the profile is installed on the rear workbench; the front workbench is connected to the workbench advance cylinder; a profile middle positioning plate located between the end faces of the front workbench and the rear workbench is installed on the front workbench, and the profile middle positioning plate is respectively connected to the positioning lifting cylinder and the positioning front cylinder.

[0016] The profile positioning device is equipped with three positioning plates, among which the profile side positioning is used to position the profile on the left, the profile rear positioning is used to position the profile behind, and the profile middle positioning plate is used to position the distance between the two profile end faces. The above-mentioned profile rear positioning is a fixed device, while the profile side positioning and profile middle positioning plates are adjusted by different cylinders, thereby achieving the purpose of flexible application.

[0017] The front workbench is installed on the workbench slide rail at the upper end of the front workbench support, and a workbench air cylinder connected to the workbench slide rail is installed on the front workbench support; the side positioning of the profile and the rear positioning of the profile are horizontal by the installation of the front workbench support, and the overall position of the front workbench is moved forward and backward by the setting of the workbench air cylinder and the workbench slide rail, which is used to adjust the gap between the left profile and the rear profile.

[0018] The bottom of the front workbench support is connected to a positioning fixing plate, and a positioning plate support frame is installed on the positioning fixing plate through the front and rear slide rails of the positioning plate. The positioning plate support frame is connected to the middle positioning plate of the profile through the positioning plate lifting guide rail. The positioning front air cylinder is connected to the front and rear slide rails of the positioning plate, and the positioning lifting cylinder is connected to the positioning plate lifting guide rail.

[0019] By positioning the support frame of the fixing plate and setting the positioning plate support frame, the middle positioning plate of the profile can be installed, and the front and rear movement of the middle positioning plate of the profile can be achieved by positioning the forward air cylinder and the front and rear slide rails of the positioning plate. The up and down movement of the middle positioning plate of the profile can be achieved by positioning the lifting cylinder and the positioning plate lifting rail, thereby achieving the position adjustment of the middle positioning plate of the profile between the left profile and the rear profile.

[0020] The plate surface of the middle positioning plate of the profile forms a 45 degree angle with the end faces of the front workbench and the rear workbench, respectively, so as to facilitate positioning the distance between the end faces of the left profile and the rear profile, thereby adjusting the relative positions of the two profiles.

[0021] A comprehensive article placement box is arranged on one side of the frame, and the comprehensive article placement box contains welding equipment, welding smoke collection equipment and inert gas cylinders.

[0022] The invention has the advantages of simple structure, reasonable design, flexible application, safety and speed, short production cycle, effective improvement of welding quality and work efficiency, reliable guarantee for meeting welding precision requirements, and is suitable for welding of various types of parts. (IV) Description of the drawings

[0024] The present invention will be further described below in conjunction with the accompanying drawings.

[0025] Figure 1 It is a structural schematic diagram of the present invention;

[0026] Figure 2 It is a structural schematic diagram of the turning mechanism of the present invention;

[0027] Figure 3 It is a schematic diagram of the main structure of the profile positioning device of the present invention;

[0028] Figure 4 It is a left-side structural schematic diagram of the profile positioning device of the present invention;

[0029] Figure 5 It is a schematic diagram of the top view of the profile positioning device of the present invention;

[0030] Figure 6 It is a schematic diagram of the front view structure of the lifting and translation device of the present invention;

[0031] Figure 7 It is a left-side structural schematic diagram of the lifting and translation device of the present invention;

[0032] Figure 8 It is a schematic diagram of the top view of the lifting and translation device of the present invention.

[0033] In the figure, 1 program editing screen, 2 left machine head operation control box, 3 right machine head operation control box, 4 frame, 5 right welding machine head, 6 left welding machine head, 7 electrical box, 8 comprehensive item placement box, 11 welding gun, 12 handle, 13 half shaft, 14 bearing box, 15 connecting flange, 16 flip cylinder, 17 cylinder fixing plate, 18 moving bottom plate, 21 positioning forward cylinder, 22 positioning lifting cylinder, 23 front workbench, 24 workbench slide rail, 25 profile side positioning, 26 front clamping cylinder, 2 7 rear clamping cylinder, 28 profile rear positioning, 29 profile middle positioning plate, 30 positioning plate lifting guide rail, 31 positioning plate support frame, 32 positioning plate front and rear slide rails, 33 workbench working cylinder, 34 rear workbench, 35 front workbench, 36 positioning fixing plate, 41 fixing block, 42 ​​support plate, 43 lifting slide, 44 front and rear translation slide rails, 45 synchronous belt tensioning mechanism, 46 lifting servo motor, 47 translation screw pair, 48 translation servo motor, 49 lifting screw pair, 50 lifting slide rail. (V) Specific implementation methods

[0035] The accompanying drawings are a specific embodiment of the present invention. This embodiment includes a frame 4 with an electrical box 7 installed at the end, a left welding head 6 is fixedly installed at the left end of the frame 4, a slide rail is laid on the frame 4 and a right welding head 5 is installed on the slide rail, a left head operation control box 2 and a right head operation control box 3 are installed on the left welding head 6 and the right welding head 5 respectively, and a program editing screen 1 connected to the electrical box 7 is installed on the frame 4; a profile positioning device corresponding to the left welding head 6 and the right welding head 5 is installed on the side of the frame 4; the left welding head 6 and the right welding head 5 both include a flip mechanism installed on a lifting and translation device, and a welding gun 11 is installed on the flip mechanism. A comprehensive item placement box 8 is provided on one side of the frame 4, and the comprehensive item placement box 8 contains welding equipment, welding smoke collection equipment and inert gas cylinders.

[0036] As attached Figure 1As shown, the left welding head 6 and the right welding head 5 of the present invention are both placed on the welding frame 4, the left welding head 6 is fixed to the left end of the frame 4, and the right welding head 5 is fixed to the right frame 4 through a slide rail, and can move left and right according to the length of the profile, and each of the two welding joints has a control box connected to the head, which can control the left welding head 6 and the right welding head 5 respectively, and the left end of the frame 4 is connected to the electrical box 7, and all electrical components are installed in the electrical box 7.

[0037] Involving specific settings, the specific explanation is as follows:

[0038] The present invention is equipped with two sets of welding equipment and two welding guns. When the welding guns are switched up and down, they can be turned over to achieve both top welding and bottom welding. This welding method is the first in China. Figure 2 As shown, the flipping mechanism includes a moving base plate 18 installed on the lifting and translation device, a flipping cylinder 16 is installed on the moving base plate 18, the output shaft of the flipping cylinder 16 is connected to the bearing box 14 through a connecting flange 15, a half shaft 13 is installed at the end of the output shaft of the bearing box 14, a rotatable handle 12 is installed on the half shaft 13, and a welding gun 11 is fixed to the end of the handle 12 through a clamp; the flipping cylinder 16 is fixed to the moving base plate 18 together with the bearing box 14 through a cylinder fixing plate 17.

[0039] The welding gun 11 is fixed on the handle 12 through a clamp, and the handle 12 can adjust the angle of the welding gun 11 up and down. The half shaft 13 rotates through the bearing box 14, and the bearing box 14 is fixed on the moving base plate 18. The connecting flange 15 is used to control the rotation angle of the half shaft 13. The flip cylinder 16 is the power source of rotation and is fixed on the moving base plate 18 through the cylinder fixing plate 17.

[0040] As attached Figure 3 , Attachment Figure 4 and attached Figure 5 As shown, the profile positioning device includes a front workbench 35 for installing the profile side positioning 25 and a rear workbench 34 for installing the profile rear positioning 28 at corresponding positions. The profile mounting holes of the profile side positioning 25 and the profile rear positioning 28 are vertical in angle and horizontal in position. The front workbench 35 is provided with a front clamping cylinder 26 corresponding to the profile side positioning 25, and the rear workbench 34 is provided with a rear clamping cylinder 27 corresponding to the profile rear positioning 28; the front workbench 35 is connected to the workbench advance cylinder 33; the front workbench 35 is provided with a profile middle positioning plate 29 located between the end faces of the front workbench 35 and the rear workbench 34, and the profile middle positioning plate 29 is respectively connected to the positioning lifting cylinder 22 and the positioning forward cylinder 21.

[0041] The front workbench 35 is installed on the workbench slide rail 24 at the upper end of the front workbench support 23, and a workbench working cylinder 33 connected to the workbench slide rail 24 is installed on the front workbench support 23; a positioning fixing plate 36 is connected to the bottom of the front workbench support 23, and a positioning plate support frame 31 is installed on the positioning fixing plate 36 through the front and rear slide rails 32 of the positioning plate, and the positioning plate support frame 31 is connected to the middle positioning plate 29 of the profile through the positioning plate lifting guide rail 30, the positioning forward air cylinder 21 is connected to the front and rear slide rails 32 of the positioning plate, and the positioning lifting cylinder 22 is connected to the positioning plate lifting guide rail 30; the plate surface of the middle positioning plate 29 of the profile forms an angle of 45 degrees with the end faces of the front workbench 35 and the rear workbench 34 respectively.

[0042] The profile positioning device is provided with three positioning devices, among which the profile side positioning 25 is used to position and place the left profile, the profile rear positioning 28 is used to position and place the rear profile, and the profile middle positioning plate 29 is used to position the distance between the end faces of the two profiles. When the system is started, the profile middle positioning plate 29 is advanced and lifted, and the profile middle positioning plate 29 forms a 45-degree angle with the end faces of the left profile and the rear profile to match the 45-degree cutting angle of the profile. After the profile is placed, the front pressing cylinder 26 and the rear pressing cylinder 27 simultaneously press the two profiles, and then the profile middle positioning plate 29 falls and retreats to avoid the welding path of the welding gun 11; then, the front workbench 35, under the push of the workbench advance cylinder 33, closes the two profiles and starts welding.

[0043] As attached Figure 6 , Attachment Figure 7 and attached Figure 8 As shown, the lifting and translation device includes a support plate 42 mounted on the frame 4 and having a vertical lifting slide rail 50 installed on the side, a lifting slide 43 is installed on the lifting slide rail 50, a lifting servo motor 46 connected through a lifting screw pair 49 is installed at the end of the lifting slide 43, a front and rear translation slide rail 44 is installed on the front end surface of the lifting slide 43, and a flip mechanism is installed in the front and rear translation slide rail 44; a translation servo motor 48 connected to the flip mechanism through a translation screw pair 47 is installed on the support plate 42; a synchronous belt tensioning mechanism 45 is connected between the lifting servo motor 16 and the lifting slide 43, and a fixed block 41 is arranged at the bottom of the support plate 42, and the fixed block 41 is respectively connected to the support plate 42 and the ground through threads and bolts.

[0044] The lifting servo motor 46 and the lifting screw pair 49 drive the lifting slide 43 to move up and down on the lifting slide rail 50, and adjust the welding gun flipping mechanism to an appropriate horizontal position. During this operation, the lifting servo motor 46 and the lifting slide 43 move synchronously, and the relative position is adjusted and confirmed by the synchronous belt tensioning mechanism 45; the welding gun flipping mechanism is driven to move left and right on the lifting slide 50 by the translation servo motor 48 and the translation screw pair 47, and the position of the welding gun 11 is adjusted so that the welding torch of the welding gun 11 is smoothly aligned with the weld. After the position is determined, the lifting servo motor 46 and the translation servo motor 48 are both in the off state, and the overall device is fixed to ensure smooth welding.

Claims

1. A double-head double-sided seamless welding device, comprising a frame (4) with an electrical box (7) mounted at the end, characterized in that: A left welding head (6) is fixedly mounted on the left end of the frame (4); a slide rail is laid on the frame (4) and a right welding head (5) is mounted on the slide rail; a left head operation control box (2) and a right head operation control box (3) are mounted on the left welding head (6) and the right welding head (5) respectively; a program compilation screen (1) connected to an electrical box (7) is mounted on the frame (4); a profile positioning device corresponding to the left welding head (6) and the right welding head (5) is mounted on the side of the frame (4); the left welding head (6) and the right welding head (5) both include a flip mechanism mounted on the lifting and translation device, and a welding gun (11) is mounted on the flip mechanism; The lifting and translation device comprises a support plate (42) mounted on a frame (4) and having a vertical lifting rail (50) mounted on the side thereof; a lifting slide (43) is mounted on the lifting and lifting lead screw pair (49) and the lowering rail (50); a lifting servo motor (46) connected via the lifting lead screw pair (49) is mounted at the end of the lifting slide (43); a front and rear translation rail (44) is mounted on the front end surface of the lifting slide (43); a flip mechanism is mounted in the front and rear translation rail (44); a translation servo motor (48) connected to the flip mechanism via a translation lead screw pair (47) is mounted on the support plate (42); The flip mechanism comprises a moving base plate (18) mounted on the lifting and translation device, a flip cylinder (16) being mounted on the moving base plate (18), an output shaft of the flip cylinder (16) being connected to a bearing box (14) via a connecting flange (15), a half shaft (13) being mounted at the end of the output shaft of the bearing box (14), a rotatable handle (12) being mounted on the half shaft (13), and a welding gun (11) being fixed at the end of the handle (12) via a clamp; The profile positioning device comprises a front workbench (35) for installing a profile side positioner (25) and a rear workbench (34) for installing a profile rear positioner (28) at corresponding positions; the profile mounting holes of the profile side positioner (25) and the profile rear positioner (28) are vertical in angle and horizontal in position; a front pressing cylinder (26) corresponding to the profile side positioner (25) is installed on the front workbench (35); and a rear pressing cylinder (27) corresponding to the profile rear positioner (28) is installed on the rear workbench (34); the front workbench (35) is connected to a workbench advance cylinder (33); a profile intermediate positioning plate (29) located between the end surfaces of the front workbench (35) and the rear workbench (34) is installed on the front workbench (35); the profile intermediate positioning plate (29) is connected to a positioning lifting cylinder (22) and a positioning forward cylinder (21) respectively.

2. The double-head double-sided seamless welding equipment according to claim 1 is characterized in that: A comprehensive article placement box (8) is provided on one side of the frame (4), and the comprehensive article placement box (8) contains welding equipment, welding smoke collection equipment and inert gas cylinders.

3. The double-head double-sided seamless welding equipment according to claim 1 is characterized in that: A synchronous belt tensioning mechanism (45) is connected between the lifting servo motor (46) and the lifting slide (43), and a fixing block (41) is provided at the bottom of the support plate (42), and the fixing block (41) is respectively connected to the support plate (42) and the ground through threads and bolts.

4. The double-head double-sided seamless welding equipment according to claim 1 is characterized in that: The tilting cylinder (16) is fixed on the moving base plate (18) together with the cylinder fixing plate (17) and the bearing box (14).

5. The double-head double-sided seamless welding equipment according to claim 1 is characterized in that: The front workbench (35) is mounted on a workbench slide rail (24) at the upper end of the front workbench support (23), and a workbench work intake cylinder (33) connected to the workbench slide rail (24) is mounted on the front workbench support (23).

6. The double-head double-sided seamless welding equipment according to claim 1, characterized in that: The bottom of the front workbench support (23) is connected to a positioning fixing plate (36), a positioning plate support frame (31) is installed on the positioning fixing plate (36) via the positioning plate front and rear slide rails (32), the positioning plate support frame (31) is connected to the middle positioning plate (29) of the profile via the positioning plate lifting guide rail (30), the positioning forward cylinder (21) is connected to the positioning plate front and rear slide rails (32), and the positioning lifting cylinder (22) is connected to the positioning plate lifting guide rail (30).

7. The double-head double-sided seamless welding equipment according to claim 1 is characterized in that: The plate surface of the profile middle positioning plate (29) forms an angle of 45 degrees with the end surfaces of the front workbench (35) and the rear workbench (34).

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