CN215393499U

CN215393499U - Welding table for exhaust pipe

Info

Publication number: CN215393499U
Application number: CN202121837010.2U
Authority: CN
Inventors: 肖长永; 黎建钠; 黎家明
Original assignee: Foshan Guangyu Stainless Steel Co ltd
Current assignee: Foshan Guangyu Stainless Steel Co ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2022-01-04
Anticipated expiration: 2031-08-06

Abstract

The utility model discloses an exhaust pipe welding table which comprises a welding manipulator, a workbench, a base, a proximity sensor and a lifting mechanism, wherein the welding manipulator is arranged beside the workbench, the base is arranged on the workbench, the top of the base is provided with a circular table matched with an end cover and used for positioning the end cover, the proximity sensor is arranged in the base and used for detecting the end cover, the lifting mechanism is arranged on the workbench, the output end of the lifting mechanism is provided with a pressing block, the bottom of the pressing block is provided with a boss with an inverted circular table structure, the boss acts on the top of an exhaust pipe to press the exhaust pipe on the end cover, and the axial lead of the boss and the axial lead of the base are on the same straight line. By adopting the welding fixture, the welding fixture realizes the function of welding and fixing the exhaust pipe of the straight pipe and the end cover, ensures that the axial lead of the exhaust pipe and the axial lead of the end cover are on the same straight line, and improves the welding quality.

Description

Welding table for exhaust pipe

Technical Field

The utility model relates to the field of exhaust pipe processing equipment, in particular to an exhaust pipe welding table.

Background

An exhaust pipe with an end cover comprises the following processing steps: the method comprises the steps of bending a hollow pipe, then respectively placing an end cover and an elbow pipe on a welding fixture, wherein the main cross section of the end cover is shown in figure 1, the welding fixture fixes the elbow pipe in a side clamping mode, and then a welding manipulator welds and fixes the end cover and the elbow pipe. Such a mode of operation has disadvantages in that: the end face of the bent pipe fitting is deformed and is not circular, and after the welding fixture is fixed, the axis of the bent pipe fitting and the axis of the end cover are not on the same straight line, so that the welding quality is affected. In order to avoid the deformation of the end face of the pipe fitting, thereby influencing the welding quality, the prior operation method comprises the following steps: the welding manipulator is used for welding and fixing the end cover and the hollow pipe, and then bending the welded hollow pipe to ensure the welding quality of the exhaust pipe. Therefore, a welding table capable of fixing the hollow tube and ensuring that the axis of the hollow tube and the axis of the end cover are on the same straight line is needed.

Disclosure of Invention

The utility model aims to solve the technical problem of providing an exhaust pipe welding table, which realizes the function of welding and fixing an exhaust pipe of a straight pipe and an end cover, ensures that the axial lead of the exhaust pipe and the axial lead of the end cover are on the same straight line, and improves the welding quality.

In order to solve the technical problem, the utility model provides an exhaust pipe welding table which comprises a welding manipulator, a workbench, a base, a proximity sensor and a lifting mechanism, wherein the welding manipulator is arranged beside the workbench, the base is installed on the workbench, the top of the base is provided with a round table matched with an end cover and used for positioning the end cover, the proximity sensor is installed in the base and used for detecting the end cover, the lifting mechanism is installed on the workbench, the output end of the lifting mechanism is provided with a pressing block, the bottom of the pressing block is provided with a boss of an inverted round table structure, the boss acts on the top of an exhaust pipe to enable the exhaust pipe to be pressed on the end cover, and the axis of the boss and the axis of the base are on the same straight line.

The lifting mechanism comprises a lifting mechanism, a pressing block and a plurality of springs, wherein the lifting mechanism comprises a lifting mechanism body, the lifting mechanism body is arranged on the lifting mechanism body, the pressing block body is arranged on the lifting mechanism body, the springs are arranged on the lifting mechanism body, the pressing block body is arranged on the lifting mechanism body, the guide rods are connected with the pressing block body, the guide rods are arranged on the lifting mechanism body, and the springs are arranged at the two ends of the pressing block body.

The telescopic mechanism further comprises an infrared sensor, a support is arranged on the movable plate, the infrared sensor is installed on the support, a transmitting module and a receiving module are arranged in the infrared sensor, and a black blocking block corresponding to the position of the infrared sensor is arranged on the pressing block.

The boss is detachably mounted on the pressing block and made of rubber.

Wherein, still include screw and T type nut, the base is including installing mount pad on the workstation and the locating piece of installing on the mount pad are located the locating piece top with end cover assorted round platform, proximity sensor sets up on the axis of locating piece, be equipped with a plurality of counter bores in the locating piece, be provided with the type of falling T groove that corresponds with the counter bore position on the mount pad, T type nut is located type of falling T inslot, and the counter bore passes through the screw and is connected so that the locating piece is fixed on the mount pad with T type nut.

The automatic grating welding machine further comprises a welding room, the welding manipulator and the workbench are arranged in the welding room, an automatic door is arranged on the side wall of the welding room, a grating sensor is arranged on the welding room, and the grating sensor is located on the outer side of the automatic door.

The automatic door comprises a baffle plate and a driving cylinder, wherein the baffle plate is connected with the welding room in a sliding mode, the driving cylinder is installed on the welding room, and an extension rod of the driving cylinder is connected with the baffle plate.

The beneficial effects of the implementation of the utility model are as follows: the base is used for placing, the end cover is fixed a position to be provided with proximity sensor on the base, proximity sensor is used for detecting whether the end cover is placed in place, the briquetting is made elevating movement under elevating system's drive, and the boss is installed on the briquetting, the boss cooperates with the base and presses blast pipe and end cover together, and guarantees that the axle center of blast pipe is earlier on same straight line with the axial lead of end cover, so that the welding manipulator carries out automatic weld. The welding fixing function of the exhaust pipe of the straight pipe and the end cover is realized, the axial lead of the exhaust pipe and the axial lead of the end cover are ensured to be on the same straight line, and the welding quality is improved.

Drawings

FIG. 1 is a front cross-sectional view of an end cap;

FIG. 2 is a front view of an exhaust bonding station according to the present invention;

FIG. 3 is a side cross-sectional view of an exhaust bonding station according to the present invention;

FIG. 4 is an enlarged view of FIG. 3 at A;

FIG. 5 is a top view of a base in an exhaust bonding station according to the present invention.

In the figure: 1. welding a manipulator; 2. a work table; 3. a base; 31. a screw; 32. a T-shaped nut; 33. a mounting seat; 331. a T-shaped groove is inverted; 34. positioning blocks; 341. a countersunk hole; 4. A proximity sensor; 5. a lifting mechanism; 6. briquetting; 61. a boss; 7. a telescoping mechanism; 71. a movable plate; 72. a guide bar; 73. a spring; 74. a baffle ring; 75. an infrared sensor; 76. a support; 77. a black stop block; 8. a welding room; 81. a grating sensor; 9. an automatic door; 91. a baffle plate; 92. the cylinder is driven.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 2-5, the exhaust pipe welding table comprises a welding manipulator 1, a workbench 2, a base 3, a proximity sensor 4 and a lifting mechanism 5, wherein the welding manipulator 1 is placed beside the workbench 2, the welding manipulator 1 is in the prior art, welding of a hollow exhaust pipe and an end cover can be automatically completed according to an input instruction, and specific structures and working principles of the welding manipulator are not repeated. Base 3 installs on workstation 2 to the top be provided with end cover assorted round platform for the location end cover, proximity sensor 4 installs in base 3, and is used for detecting the end cover, when proximity sensor 4 detected the end cover, explains that the end cover has been placed base 3 on, but follow-up executable weldment work has avoided forgetting to put the end cover because of human error, thereby causes the condition emergence of blast pipe and base 3 welding together when the welding. Elevating system 5 installs on workstation 2, and elevating system 5's output is provided with briquetting 6, and elevating system 5 drive briquetting 6 makes elevating movement, 6 bottoms of briquetting are equipped with the boss 61 of inversion round platform structure to boss 61 is used in the blast pipe top to make the blast pipe press on the end cover, the lower terminal surface and the end cover of blast pipe closely laminate promptly. The axial lead of the boss 61 and the axial lead of the base 3 are on the same straight line, so that the boss 61 plays a role in centering the exhaust pipe in the process of pressing the boss to the exhaust pipe, and the axial lead of the exhaust pipe and the axial lead of the end cover are ensured to be on the same straight line.

It should be noted that the lifting mechanism 5 may be a cylinder-driven lifting mechanism or a ball screw transmission mechanism, both of which can achieve the function of driving the pressing block 6 to move up and down, in this embodiment, the lifting mechanism 5 is preferably a cylinder-driven lifting mechanism, and in addition, the control of the starting action of the lifting mechanism 5 may be a foot switch, and since the operator needs to hold the exhaust pipe all the time during the process that the boss 61 presses the exhaust pipe, the starting of the lifting mechanism 5 is easier to operate through the foot action.

The working principle of the utility model is as follows: firstly, the end cover is placed on the base 3, then the exhaust pipe is vertically placed on the end cover and is supported all the time, the lifting mechanism 5 drives the pressing block 6 to do descending movement, the boss 61 acts on the top of the exhaust pipe and tightly presses the exhaust pipe and the end cover, and at the moment, an operator can loosen hands and keep away from the workbench 2. Because the end cover is placed on the base 3 as required, and the proximity sensor 4 detects the end cover, the welding manipulator 1 can execute the welding action, and the welding manipulator 1 automatically welds and fixes the exhaust pipe and the end cover. The welding fixing function of the exhaust pipe of the straight pipe and the end cover is realized, the axial lead of the exhaust pipe and the axial lead of the end cover are ensured to be on the same straight line, and the welding quality is improved.

In order to ensure that the boss 61 can press the exhaust pipe, referring to fig. 2 and 3, the exhaust pipe pressing device further comprises a telescopic mechanism 7, wherein the telescopic mechanism 7 comprises a movable plate 71, guide rods 72 and springs 73, the movable plate 71 is fixed at the output end of the lifting mechanism 5, the lower parts of a plurality of guide rods 72 are fixed on the pressing block 6, the upper parts of the guide rods 72 are slidably connected with the movable plate 71, the tail ends of the upper ends of the guide rods 72 are fixed with retaining rings 74, and the retaining rings 74 play a role in limiting. In this embodiment, the number of the guide rods 72 is four, the four springs 73 are sleeved on the four guide rods 72 in a one-to-one correspondence manner, and two ends of each spring 73 are respectively connected with the pressing block 6 and the movable plate 71. In the process that the boss 61 is just pressed on the exhaust pipe and the operator does not timely stop the lifting mechanism 5, the distance between the pressing block 6 and the movable plate 71 is gradually reduced, the spring 73 is contracted, and the boss 61 is guaranteed to be pressed on the exhaust pipe under the action of the spring 73.

Further, referring to fig. 3, the telescopic mechanism 7 further includes an infrared sensor 75, a support 76 is disposed on the movable plate 71, the infrared sensor 75 is mounted on the support 76, an emitting module and a receiving module are disposed in the infrared sensor 75, a black blocking block 77 corresponding to the infrared sensor 75 is disposed on the pressing block 6, it should be noted that, in a state where the spring 73 is not compressed, the bottom of the infrared sensor 75 and the bottom of the black blocking block are on the same horizontal plane, and a mounting position corresponds to the boss 61. When the boss 61 is not pressed on the exhaust pipe, the emission module on the infrared sensor 75 emits infrared rays, and because the black blocking piece 77 blocks the infrared sensor 75 and the infrared rays are completely absorbed by the black blocking piece 77 without refraction, the receiving module on the infrared sensor 75 cannot receive the infrared rays, which indicates that the pressing block 6 is not pressed on the exhaust pipe, and the lifting mechanism 5 continues to drive the pressing block 6 to do descending movement; on the contrary, when the boss 61 presses the exhaust pipe, the spring 73 is pressed to contract, the movable block continues to perform descending movement under the action of the lifting mechanism 5, the infrared sensor 75 performs descending movement along with the movable block, the infrared sensor 75 and the black blocking piece 77 perform relative sliding, the infrared sensor 75 is far away from the black blocking piece 77, infrared rays emitted by an emitting module on the infrared sensor 75 act on the exhaust pipe, the exhaust pipe reflects the infrared rays, and a receiving module receives the infrared rays, which indicates that the pressing block 6 is pressed on the exhaust pipe, and at this moment, the lifting device stops driving the pressing block 6 to perform descending movement.

In order to avoid the exhaust pipe being pressed on by the boss 61, the boss 61 is detachably mounted on the pressing block 6, and the boss 61 is made of rubber.

In order to realize that the base 3 can be used for placing end covers with different sizes, referring to fig. 2, 3 and 4, the base 3 further comprises a screw 31 and a T-shaped nut 32, the base 3 comprises an installation seat 33 installed on the workbench 2 and a positioning block 34 installed on the installation seat 33, a circular truncated cone matched with the end cover is positioned at the top of the positioning block 34, and the corresponding positioning block 34 is selected according to different end covers, so that the positioning block 34 can be used for placing and positioning the end cover to be welded. The proximity sensor 4 is arranged on an axis of the positioning block 34, a plurality of countersunk holes 341 are formed in the positioning block 34, in the embodiment, the number of the countersunk holes 341 is three, an inverted T-shaped groove 331 corresponding to the position of the countersunk hole 341 is formed in the mounting seat 33, the T-shaped nut 32 is located in the inverted T-shaped groove 331, the countersunk hole 341 is connected with the T-shaped nut 32 through a screw 31 so that the positioning block 34 is fixed on the mounting seat 33, the positioning block 34 is detachably connected to the mounting seat 33, and different positioning blocks 34 can be replaced conveniently according to a machined workpiece.

For guaranteeing in end cover and blast pipe welding process, refer to fig. 1, the operator takes place because of the too close condition of being injured to workstation 2, still includes welding room 8, welding machines hand 1, workstation 2 set up in welding room 8, and welding room 8 plays the effect of keeping apart the welding station, avoids someone to be close to the welding area in welding process. The side wall of the welding room 8 is provided with an automatic door 9, the welding room 8 is provided with a grating sensor 81, and the grating sensor 81 is positioned outside the automatic door 9. Specifically, the grating sensor 81 has a transmitting end and a receiving end which are correspondingly arranged, and when the receiving end receives light rays emitted by incomplete transmitting end, it indicates that someone stands on the automatic door 9, i.e. does not leave the welding station, and cannot weld at this time; on the contrary, when the receiving end can completely receive the light emitted by the emitting end, the person is far away from the welding station, and the welding can be carried out at the moment. In addition, set up automatically-controlled door 9 and can shelter from the produced highlight in the welding process, avoid the highlight to hurt operator's eyes.

Further, referring to fig. 1, the automatic door 9 includes a baffle plate 91 slidably connected to the welding chamber 8, and a driving cylinder 92 installed on the welding chamber 8, and an extension rod of the driving cylinder 92 is connected to the baffle plate 91. In the opening state, the extension rod of the driving cylinder 92 is in the extension state, the baffle 91 is positioned above, and at the moment, an operator can place or take out a workpiece; in the closed state, the extension rod of the driving cylinder 92 is in the retracted state, and the shutter 91 slides downward and shields the table 2.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. An exhaust pipe welding table is characterized by comprising a welding manipulator (1), a workbench (2), a base (3), a proximity sensor (4) and a lifting mechanism (5), the welding manipulator (1) is arranged beside the workbench (2), the base (3) is arranged on the workbench (2), and the top of the base is provided with a round table matched with the end cover, for positioning the end cap, the proximity sensor (4) is mounted in the base (3), and is used for detecting the end cover, the lifting mechanism (5) is arranged on the workbench (2), the output end of the lifting mechanism (5) is provided with a pressing block (6), the bottom of the pressing block (6) is provided with a boss (61) with an inverted round table structure, the boss (61) acts on the top of the exhaust pipe, so that the exhaust pipe is pressed on the end cover, and the axial lead of the boss (61) and the axial lead of the base (3) are on the same straight line.

2. The exhaust pipe welding table according to claim 1, further comprising a telescopic mechanism (7), wherein the telescopic mechanism (7) comprises a movable plate (71), guide rods (72) and springs (73), the movable plate (71) is fixed at the output end of the lifting mechanism (5), the lower portions of the guide rods (72) are fixed on the pressing block (6), the upper portions of the guide rods (72) are slidably connected with the movable plate (71), stop rings (74) are fixed at the upper ends of the guide rods (72), the springs (73) are sleeved on the guide rods (72) in a one-to-one correspondence manner, and two ends of each spring (73) are respectively connected with the pressing block (6) and the movable plate (71).

3. An exhaust pipe welding table according to claim 2, characterized in that the telescopic mechanism (7) further comprises an infrared sensor (75), a bracket (76) is arranged on the movable plate (71), the infrared sensor (75) is mounted on the bracket (76), a transmitting module and a receiving module are arranged in the infrared sensor (75), and a black blocking block (77) corresponding to the position of the infrared sensor (75) is arranged on the pressing block (6).

4. An exhaust pipe welding station according to claim 1, characterized in that said boss (61) is detachably mounted on said pressing block (6), the material of said boss (61) being rubber.

5. The exhaust pipe welding table according to claim 1, further comprising a screw (31) and a T-shaped nut (32), wherein the base (3) comprises an installation seat (33) installed on the workbench (2) and a positioning block (34) installed on the installation seat (33), a circular truncated cone matched with the end cover is located at the top of the positioning block (34), the proximity sensor (4) is arranged on an axis of the positioning block (34), a plurality of countersunk holes (341) are formed in the positioning block (34), an inverted T-shaped groove (331) corresponding to the position of the countersunk hole (341) is formed in the installation seat (33), the T-shaped nut (32) is located in the inverted T-shaped groove (331), and the countersunk hole (341) is connected with the T-shaped nut (32) through the screw (31) so that the positioning block (34) is fixed on the installation seat (33).

6. An exhaust pipe welding station as claimed in any one of claims 1 to 5, further comprising a welding room (8), wherein the welding robot (1) and the workbench (2) are arranged in the welding room (8), an automatic door (9) is arranged on the side wall of the welding room (8), a grating sensor (81) is arranged on the welding room (8), and the grating sensor (81) is positioned outside the automatic door (9).

7. An exhaust welding station according to claim 6, characterized in that said automatic door (9) comprises a shutter (91) slidably connected to the welding chamber (8) and a driving cylinder (92) mounted on the welding chamber (8), said driving cylinder (92) having an extension rod connected to the shutter (91).