Airway tube welding auxiliary tool

Abstract

This invention discloses an auxiliary tooling for welding gas guide pipes, including a base. The top of the base is hinged to a bracket via a horizontal hinge axis. A rotation drive mechanism is provided on the base to drive the bracket to rotate. The bracket has several parallelly arranged gas guide pipe positioning slots, the axes of which are orthogonal to the horizontal hinge axis. A flange positioning frame is provided at one end of each gas guide pipe positioning slot. The surface of the flange positioning frame facing away from the end of the gas guide pipe positioning slot is a flange positioning surface, which is inclined to the axis of the gas guide pipe positioning slot. This invention enables rapid tilting and positioning of the flange on the gas guide pipe, improving the efficiency of automatic welding.

Description

Technical Field

[0001] This invention relates to the field of workpiece positioning and fixing devices, and in particular to an auxiliary tooling for welding air ducts. Background Technology

[0002] In a cyclone dust collector, an inclined flange 102 needs to be welded and installed on the top of the air guide pipe 101 of the cyclone separator 100, so that it can be connected and installed to the inclined baffle in the dust collector through the flange 102. Figure 1 As shown.

[0003] In the past, manual welding was used, and the flange tilt angle could be determined by marking the welding position on the gas pipe. When welding robotic arms are used to reduce labor intensity, the flange needs to be positioned using tooling. Currently, there is no tooling suitable for welding gas pipes. Summary of the Invention

[0004] To address the shortcomings of the prior art, this invention provides an auxiliary tooling for welding gas guide pipes, which aims to achieve rapid positioning of the inclined flange on the gas guide pipe to improve automatic welding efficiency.

[0005] The technical solution of this invention is as follows: A welding auxiliary tooling for gas guide pipes includes a base, the top of which is hinged to a bracket via a horizontal hinge axis. A rotation drive mechanism is provided on the base to drive the bracket to rotate. The bracket is provided with a plurality of parallel gas guide pipe positioning slots. The axis of the gas guide pipe positioning slot is orthogonal to the horizontal hinge axis. A flange positioning frame is provided at one end of the gas guide pipe positioning slot. The surface of the flange positioning frame facing away from the end of the gas guide pipe positioning slot is the flange positioning surface, which is inclined to the axis of the gas guide pipe positioning slot.

[0006] Furthermore, it includes a lifting drive mechanism and a lifting frame, the lifting frame being disposed on the bracket, the lifting drive mechanism being used to drive the lifting frame to rise and fall, the top surface of the lifting frame not being higher than the bottom of the air duct positioning groove when the lifting frame is lowered, and the top surface of the lifting frame being higher than the opening of the air duct positioning groove when the lifting frame is raised.

[0007] The lifting frame allows the completed gas pipe to roll away from the welding auxiliary tooling, improving material unloading efficiency.

[0008] Furthermore, the two sides of the lifting frame are respectively connected to the bracket by several parallel connecting rods. The connecting rods are hinged to the lifting frame and the bracket, and the lifting drive mechanism drives the connecting rods to rotate.

[0009] The linkage mechanism allows the lifting frame to also move laterally during the lifting process. While lifting the air pipe, it also causes the air pipe to move axially. This ensures that the inclined flange will not interfere with the flange positioning frame when the air pipe rotates, which is beneficial for the rolling unloading of the air pipe.

[0010] Furthermore, the bracket includes a bracket base plate and several support plates. The support plates are fixed to the bracket base plate. Several notches are opened on the top edge of the support plates. The notches on different support plates are correspondingly arranged, and the notches on different support plates with opposite positions form the air guide tube positioning groove.

[0011] Furthermore, the lifting frame is a frame structure, and several openings are formed on the lifting frame, which avoid the support plate when the lifting frame is raised or lowered.

[0012] Furthermore, the flange positioning frame is provided with a positioning slot, which is an axial extension of the air guide pipe positioning slot.

[0013] By setting a positioning slot, the contact area between the flange positioning surface and the flange can be increased, thereby improving the stability of flange positioning.

[0014] Furthermore, the lifting drive mechanism is a cylinder.

[0015] Furthermore, the rotation drive mechanism is a cylinder, one end of the rotation drive mechanism is hinged to the base, and the other end of the rotation drive mechanism is hinged to the bracket.

[0016] Furthermore, the base includes a horizontal portion and an upright portion, the bracket is hinged to the top of the upright portion, and one end of the rotation drive mechanism is hinged to the side of the horizontal portion away from the upright portion.

[0017] Furthermore, the hinge position between the rotation drive mechanism and the bracket is on the side away from where the flange positioning bracket is located.

[0018] The advantages of the technical solution provided by this invention are as follows:

[0019] When the pallet is horizontal, the material is fed in so that the air guide pipe is placed in the air guide pipe positioning groove. After the flange is put on the air guide pipe, the rotation of the pallet and the use of gravity make the flange slide on the air guide pipe and be positioned by the flange positioning frame, thus completing the welding operation. The operation requires little manual operation and no manual operation is needed. It is also simple to operate and does not require precise positioning, resulting in high production efficiency.

[0020] The tooling equipped with a lifting frame allows the welded air pipe to detach from the positioning slot, facilitating rolling unloading and further improving efficiency. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of a cyclone separator.

[0022] Figure 2 This is a front view schematic diagram of the auxiliary tooling for welding the gas guide pipe in an embodiment.

[0023] Figure 3 This is a side view schematic diagram of the auxiliary tooling for welding the gas guide pipe in an embodiment.

[0024] Figure 4 This is a schematic diagram of the support plate of the auxiliary tooling for welding the gas guide pipe in an embodiment.

[0025] Figure 5 This is a front view schematic diagram of the auxiliary tooling for welding the gas guide pipe in the embodiment (the bracket is horizontal and includes the gas guide pipe and flange).

[0026] Figure 6 This is a side view of the auxiliary tooling for welding the gas guide pipe in the embodiment (the bracket is horizontal and includes the gas guide pipe and flange).

[0027] Figure 7 This is a front view schematic diagram of the auxiliary tooling for welding the gas guide pipe in the embodiment (the bracket is tilted and has a gas guide pipe and flange).

[0028] Figure 8 This is a front view schematic diagram of the auxiliary tooling for welding the air guide pipe in the embodiment (lifting frame with air guide pipe and flange). Detailed Implementation

[0029] The present invention will be further described below with reference to embodiments. It should be understood that these embodiments are only for illustrating the present invention and are not intended to limit the scope of the present invention. After reading this description, any modifications of this description in various equivalent forms by those skilled in the art will fall within the scope defined by the appended claims.

[0030] Please combine Figures 2 to 4 As shown, the auxiliary tooling for welding the air duct in this embodiment includes a base 1, a bracket 2, a lifting frame 3, a rotation drive mechanism, and a lifting drive mechanism.

[0031] The base 1 includes a pair of side columns arranged on the left and right sides. The side columns are roughly L-shaped and include a horizontal part 1a and an upright part 1b. The horizontal parts 1a of the two side columns are connected by a crossbar 1c. The side columns are fixedly installed on the ground. A hinge shaft 6 is installed between the upright parts 1b of the side columns. The hinge shaft 6 is used to hinge with the bracket 2.

[0032] The bracket 2 includes a bracket base plate 2a, which can be a frame structure made of square tubing. A hinge shaft 6 is located at the center of the bottom surface of the bracket base plate 2a, allowing the bracket 2 to rotate about the hinge shaft 6, raising or lowering its front and rear sides. Multiple support plates 2b and a flange positioning bracket 2c are mounted on the bracket base plate 2a. The support plates 2b are arranged parallel to the hinge shaft 6 and fixed to the bracket base plate 2a. The support plates 2b are spaced apart and arranged in the front-rear direction of the bracket base plate 2a. Each support plate 2b has several notches 2b1 along its top edge. These notches 2b1 on different support plates 2b correspond to each other, forming a positioning groove for the air guide pipe. In other words, the air guide pipe will be inserted into the notches 2b1 of the support plates 2b on the bracket 2 and supported by the support plates 2b.

[0033] A flange positioning bracket 2c is installed at the front end of the bracket base plate 2a, and the flange positioning bracket 2c is actually located at the front end of the air guide pipe positioning groove. In this embodiment, the flange positioning bracket 2c is a positioning plate, and its two ends are fixed to the bracket base plate 2a by fixing plates. The positioning plate is the flange positioning surface, which is inclined to the axis of the air guide pipe positioning groove. A positioning slot 2c1 is provided on the positioning plate, which forms an axial extension of the air guide pipe positioning groove. When the air guide pipe is placed in the air guide pipe positioning groove, one end of the air guide pipe is located in the positioning slot 2c1. When the flange is fitted onto the air guide pipe, the flange can be positioned by the flange positioning surface of the flange positioning bracket 2c, ensuring the angle between the flange and the axis of the air guide pipe.

[0034] In this embodiment, the rotation drive mechanism is a first cylinder 4. The cylinder body of the first cylinder 4 is hinged to the middle of the crossbar 1c on the base 1, and the cylinder rod of the first cylinder 4 is hinged to the bracket 2, specifically connected to the rear frame of the bracket base plate 2a, that is, the side away from where the flange positioning bracket 2c is set. By extending and retracting the first cylinder 4, the bracket 2 is brought into a horizontal state or driven to rotate, causing the front end of the bracket 2 to rise and the rear end to fall, forming an inclined state.

[0035] In a preferred embodiment, a lifting frame 3 and a lifting drive mechanism are provided to facilitate the unloading of the air duct after welding. The lifting frame 3 is constructed as a planar frame structure using square tubing, and several openings are formed on the lifting frame 3. The lifting frame 3 is generally stacked on the bracket base plate 2a, and the support plate 2b on the bracket base plate 2a is located within the openings. When the lifting frame 3 is raised or lowered, the openings can avoid the support plate 2b. The raising and lowering of the lifting frame 3 is driven by the lifting drive mechanism. Since the purpose of the lifting frame 3 is to lift the air duct from the air duct positioning groove, a telescopic mechanism such as a cylinder can be used to directly connect the lifting frame 3 and the bracket 2 floor to allow the lifting frame 3 to be raised and lowered vertically. It should be noted that when the lifting frame 3 is not lifted, the top surface of the lifting frame 3 is not higher than the bottom of the air pipe positioning groove (i.e., the lowest point of the concave 2b1), and the lifting frame 3 does not contact the air pipe or has no force contact with it; after the lifting frame 3 is raised, the top surface of the lifting frame 3 is higher than the opening of the air pipe positioning groove (i.e., the top edge of the support plate 2b), so that the air pipe can roll on the lifting frame 3.

[0036] In this embodiment, to facilitate easier rolling of the air guide pipe, the left and right sides of the lifting frame 3 are connected to the bracket base plate 2a by two parallel connecting rods 7. The connecting rods 7 are hinged to the lifting frame 3 and the bracket base plate 2a. The lifting drive mechanism is a second cylinder 5. The cylinder body of the second cylinder 5 is connected to the hinge shaft 6 between the bracket 2 and the base 1. The cylinder of the second cylinder 5 is just connected to the middle of the connecting rod 7. The action of the second cylinder 5 causes the connecting rod 7 to rotate, so that the lifting frame 3 is lifted and also moves laterally. The air guide pipe is lifted and generates axial displacement, so that the inclined flange will not interfere with the flange positioning frame 2c when the air guide pipe rotates, and the air guide pipe can be rolled for unloading.

[0037] The welding process using the gas pipe welding auxiliary tooling of this embodiment is as follows: Figure 5 , Figure 6 As shown, bracket 2 is in a horizontal position, air pipe 101 is placed in air pipe positioning groove, flange 102 is fitted onto the front end of air pipe 101, and the first cylinder 4 is activated to tilt bracket 2, making it higher in the front and lower in the back. Figure 7 As shown, after tilting, the end of the air duct 101 can be aligned with the ground. The flange 102 slides downwards under its own weight and is positioned by the flange positioning surface to ensure the tilt angle with the axial direction of the air duct 101. Then, the welding arm welds to fix the flange 102 to the air duct 101. The first cylinder 4 reverses its action to return the bracket 2 to a horizontal state. During this process, the cooperation between the flange positioning bracket 2c and the flange prevents the air duct 101 from sliding. After returning to a horizontal state, the second cylinder 5 actuates to raise the lifting frame 3, as shown... Figure 8As shown, the air guide pipe 101 is lifted from the air guide pipe positioning groove and moved forward a certain distance. Finally, the air guide pipe 101 is rotated so that it rolls off the lifting frame 3 to complete the unloading. Then, the second cylinder 5 reverses and retracts the lifting frame 3, completing one action cycle.

Claims

1. An auxiliary tooling for welding a gas guide pipe, characterized in that, The system includes a base, a lifting drive mechanism, and a lifting frame. The top of the base is hinged to a bracket via a horizontal hinge axis. A rotation drive mechanism is mounted on the base, with one end hinged to the base and the other end hinged to the bracket. The rotation drive mechanism drives the bracket to rotate. The bracket has several parallelly arranged air pipe positioning slots, the axis of which is orthogonal to the horizontal hinge axis. A flange positioning frame is located at one end of each air pipe positioning slot. The surface of the flange positioning frame facing away from the end of the air pipe positioning slot is the flange positioning surface, which is inclined to the axis of the air pipe positioning slot. The flange positioning frame has a positioning slot, which is an axial extension of the air pipe positioning slot. The lifting frame is mounted on the bracket, and the lifting drive mechanism drives the lifting frame to rise and fall. When the lifting frame descends, the top of the lifting frame... The top surface of the lifting frame is not higher than the bottom of the air pipe positioning groove. When the lifting frame rises, the top surface of the lifting frame is higher than the opening of the air pipe positioning groove. The two sides of the lifting frame are connected to the bracket by several parallel connecting rods. The connecting rods are hinged to the lifting frame and the bracket. The lifting drive mechanism drives the connecting rods to rotate. The bracket includes a bracket base plate and several support plates. The support plates are fixed to the bracket base plate. Several notches are opened on the top edge of the support plates. The notches on different support plates are correspondingly arranged. The notches on different support plates with corresponding positions form the air pipe positioning groove. In use, the bracket is in a horizontal state, the air pipe is placed in the air pipe positioning groove, and a flange is fitted on the front end of the air pipe. After the rotating drive mechanism drives the bracket to tilt forward and backward, the end of the air pipe can be aligned with the ground. The flange slides downward under its own weight and is positioned by the flange positioning surface to ensure the tilt angle with the air pipe axis.

2. The auxiliary tooling for welding the gas guide pipe according to claim 1, characterized in that, The lifting frame is a frame structure with several openings formed on it. These openings avoid the support plate when the lifting frame is raised or lowered.

3. The auxiliary tooling for welding the gas guide pipe according to claim 1, characterized in that, The lifting drive mechanism is a cylinder.

4. The auxiliary tooling for welding the gas guide pipe according to claim 1 or 2, characterized in that, The rotation drive mechanism is a cylinder.

5. The auxiliary tooling for welding the gas guide pipe according to claim 4, characterized in that, The base includes a horizontal portion and an upright portion, the bracket is hinged to the top of the upright portion, and one end of the rotation drive mechanism is hinged to the side of the horizontal portion away from the upright portion.

6. The auxiliary tooling for welding the gas guide pipe according to claim 4, characterized in that, The hinge position between the rotation drive mechanism and the bracket is on the side away from where the flange positioning bracket is located.

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