Quick-change welding platform for compressor bracket

Abstract

The utility model provides a quick-change welding platform for a compressor bracket. The quick-change welding platform comprises a bottom plate and a top plate, the bottom plate and the top plate are connected through a supporting plate. The top plate is rectangular, a fixed welding table is arranged on one side of the top plate and connected with two first positioning columns, a through groove is formed in the side, away from the fixed welding table, of the top plate, and a lifting welding table is arranged in the through groove and provided with two second positioning columns. A supporting plate arranged on one side of the lifting welding table penetrates through the top plate. A positioning plate is arranged on the upper side of the through groove and connected with a supporting plate penetrating through the top plate in a supporting mode, a positioning through hole is formed in the positioning plate, and positioning claws are arranged around the positioning through hole. According to the compressor support welding device, the supporting feet are accurately positioned, the supporting feet are perpendicular through the positioning claws, welding machining of a compressor support is completed through the two procedures of spot welding positioning and full-length welding reinforcing, rapid replacement between two welding stations is achieved, the welding efficiency and quality are improved, and the automatic production requirement is met.

Description

Technical Field

[0001] The utility model belongs to the technical field of welding processing, and particularly relates to a quick-change welding platform for a compressor bracket. Background Technique

[0002] Welding processing is widely used in various industries. Welding can reduce the use of connecting parts, reduce the structural weight, save metal materials, and reduce production costs. The connection formed by welding has high strength, can withstand large loads and dynamic loads, is suitable for long-term vibration working conditions, and will not become loose due to vibration. The welding connection method is particularly suitable for compressor brackets. During the welding process of the compressor bracket, the positioning of the support feet becomes crucial. Traditional welding uses scribing or a die holder to position the support feet, resulting in low welding accuracy and efficiency, being not suitable for robotic welding, and unable to meet the requirements of automated production.

[0003] Therefore, the above problems need to be solved urgently. Content of the Utility Model

[0004] Purpose of the utility model: In order to overcome the above deficiencies, the utility model provides a quick-change welding platform for a compressor bracket, which divides the welding of the compressor bracket into two processes: spot welding for positioning and full welding for reinforcement. This welding platform combines a manipulator to achieve automatic loading, enables quick replacement between two welding stations, combines an electric welding robot arm to achieve automatic welding, improves welding accuracy and efficiency, and meets the requirements of automated production.

[0005] Technical solution: In order to achieve the above-mentioned purpose, the utility model provides a compressor bracket quick-change welding platform, including a bottom plate and a top plate. The bottom plate and the top plate are connected by a support plate. The top plate is rectangular, and a fixed welding platform is provided on one side of the top plate, and the fixed welding platform is connected to two first positioning columns. A through groove is provided on the side of the top plate away from the fixed welding platform, and a lifting welding platform is provided in the through groove. The lifting welding platform is connected to the bottom plate, and the lifting welding platform can be lifted and lowered through the through groove under the support of the bottom plate. The lifting welding platform is provided with two second positioning columns. The support plate arranged on one side of the lifting welding platform passes through the top plate, and the support plate is provided with a supporting step, and the supporting step forms a support for the top plate. A positioning plate is provided on the upper side of the through groove, and the positioning plate and the support plate passing through the top plate are supported and connected, and the positioning plate is provided with a positioning through hole, and a positioning claw is provided around the positioning through hole. The compressor bracket to be welded includes a square plate and a support leg, and two through holes have been drilled on the square plate before welding begins. During welding, the square plate is placed on the lifting welding platform, and the second positioning column penetrates the through hole on the square plate to form a limit. The lifting welding platform rises, lifts the square plate to the lower side of the positioning plate, puts the support leg in the positioning through hole, and the positioning through hole forms a position for the support leg to ensure the accurate welding position of the support leg. The positioning claw constrains the support leg so that the support leg is perpendicular to the square plate to ensure the welding quality, and then the electric welding robot arm spot welds the support leg and the square plate. After the spot welding is completed, the lifting welding platform descends, the support leg is disengaged from the positioning through hole, the square plate and the support leg are moved to the top surface of the fixed welding platform, the first positioning column is inserted into the through hole drilled in the square plate to form a position, and the spot welding robot arm performs full welding on the square plate and the support leg to weld into a compressor bracket. The utility model enables the support leg to be accurately positioned on the upper side of the square plate, and the support leg is perpendicular to the square plate through the positioning claw. The two processes of spot welding positioning and full welding reinforcement are completed to complete the welding process of the compressor bracket. The welding platform is combined with a robot to realize automatic loading, and realizes rapid replacement between two welding stations. It is combined with an electric welding robot arm to achieve automatic welding, which improves welding efficiency and quality and meets the needs of automated production.

[0006] Furthermore, in the above-mentioned compressor bracket quick-change welding platform, the lifting welding platform includes a base plate and a vertical cylinder arranged on the lower side of the base plate. The cylinder shaft of the vertical cylinder is drivingly connected to the base plate, and connecting plates are respectively connected to both sides of the cylinder body of the vertical cylinder, and the connecting plates are fixedly connected to the bottom plate. The vertical cylinder can lift the base plate to a designated welding position.

[0007] Furthermore, in the above compressor bracket quick-change welding platform, the top view of the positioning plate is an I-shaped plate, and the four corners of the positioning plate are respectively connected to the support plate. The I-shaped positioning plate forms an avoidance for the electric welding robot arm, and the electric welding robot arm can perform spot welding operations on the support legs and the bottom plate through the gap of the positioning plate.

[0008] Furthermore, in the above compressor bracket quick-change welding platform, the positioning through hole is square, and four positioning claws are provided, and the positioning claws are respectively arranged on the four sides of the positioning through hole. The positioning claws in four directions are opposed to the support legs in the positioning through hole to form a limit, so that the support legs are vertical and ensure that the support legs are perpendicular to the square plate.

[0009] Further, in the above-mentioned quick-change welding platform for the compressor bracket, the positioning claws include a first positioning claw and a second positioning claw. The first positioning claw is arranged on the bottom surface of the positioning plate. The plane of the first positioning claw faces the center of the positioning through-hole, and the vertical plane of the first positioning claw is parallel to the edge of the positioning through-hole. The second positioning claw includes a guiding part and a positioning part. The guiding part is arranged on the top surface of the positioning plate, and the positioning part is arranged on the bottom surface of the positioning plate. The surface of the guiding part facing the positioning through-hole is an arc surface, and the surface of the positioning part facing the positioning through-hole is a vertical plane. The provided guiding part facilitates the support leg to pass through the positioning through-hole, improves the operation convenience, and improves the welding efficiency. The plane of the first positioning claw and the vertical surface of the positioning part jointly constrain the support leg, ensuring that the support leg is always perpendicular to the square plate and improving the welding quality.

[0010] Further, in the above-mentioned quick-change welding platform for the compressor bracket, the fixed welding table includes two first support blocks which are arranged in parallel, and the top surfaces of the two first support blocks are on the same horizontal plane. The square plate is placed on the top surfaces of the two horizontal first support blocks, and the top surfaces of the first support blocks form a support for the square plate, making the square plate in a horizontal position and improving the welding quality.

[0011] Further, in the above-mentioned quick-change welding platform for the compressor bracket, first spinning cylinders are respectively arranged on both sides of the fixed welding table. The top surface of the cylinder body of the first spinning cylinder is connected to the top plate, and the cylinder shaft of the first spinning cylinder is connected with a pressing block. The first spinning cylinder presses and fixes the square plate on the fixed welding table, avoiding the situation of movement or improper placement during the welding process, ensuring the welding quality, and improving the welding efficiency.

[0012] Further, in the above-mentioned quick-change welding platform for the compressor bracket, two second support blocks are arranged on the top surface of the base plate which are arranged in parallel, and the top surfaces of the two second support blocks are on the same horizontal plane. During welding, the square plate is placed on the top surfaces of the two second support blocks, and the second support blocks form a support for the square plate, making the square plate always in a horizontal position during welding.

[0013] Further, in the above-mentioned quick-change welding platform for the compressor bracket, second spinning cylinders are respectively arranged on both sides of the two second support blocks. The top surface of the cylinder body of the second spinning cylinder is connected to the base plate, and the cylinder shaft of the second spinning cylinder is connected with a pressing block. The second spinning cylinder presses and fixes the bottom plate on the top surface of the base plate, avoiding movement during the welding process and improving the stability of the welding quality.

[0014] Further, in the above-mentioned quick-change welding platform for the compressor bracket, a steel frame is fixedly connected to the lower side of the bottom plate, a welding base is arranged on the lower side of the steel frame, and pressing cylinders are arranged at the four corners of the welding base. The pressing cylinders press the steel frame on the top surface of the welding base.

[0015] As can be seen from the above technical solution, the utility model has the following beneficial effects: The quick-change welding platform for the compressor bracket of the utility model enables the support feet to be accurately positioned on the upper side of the square plate, and the support feet are perpendicular to the square plate through the positioning claws. By performing spot welding positioning on the lifting welding table and full welding reinforcement on the fixed welding table, the welding process of the compressor bracket is completed, and it can be quickly replaced between the two stations, improving the welding efficiency. This welding platform can be combined with a manipulator to achieve automatic feeding and automatic welding, improving the welding efficiency and quality, and meeting the requirements of automated production. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 FIG. is a schematic structural diagram of the quick-change welding platform for the compressor bracket of the utility model;

[0017] Figure 2 is Figure 1 a partially enlarged view;

[0018] Figure 3 FIG. is a schematic structural diagram of the compressor bracket.

[0019] In the figure: 1, bottom plate; 2, top plate; 3, support plate; 21, fixed welding table; 210, first positioning column; 211, first support block; 22, through groove; 23, lifting welding table; 230, second positioning column; 231, substrate; 232, vertical cylinder; 233, connecting plate; 234, second spinning cylinder; 235, second support block; 24, positioning plate; 241, positioning through hole; 242, positioning claw; 2421, first positioning claw; 2422, second positioning claw; 24221, guiding part; 24222, positioning part; 25, first spinning cylinder; 4, steel frame; 5, welding base; 51, pressing cylinder. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] Embodiment 1

[0021] As Figure 1A quick-change welding platform for a compressor bracket as shown includes a bottom plate 1 and a top plate 2. The bottom plate 1 and the top plate 2 are connected by a support plate 3. The top plate 2 is rectangular. One side of the top plate 2 is provided with a fixed welding table 21. The fixed welding table 21 is connected with two first positioning columns 210. The side of the top plate 2 away from the fixed welding table 21 is provided with a through groove 22. An elevating welding table 23 is arranged in the through groove 22. The elevating welding table 23 is connected with the bottom plate 1 in a lifting manner. The elevating welding table 23 is provided with two second positioning columns 230. The support plate 3 arranged on one side of the elevating welding table 23 passes through the top plate 2. The above-mentioned support plate 3 is provided with a support step, and the above-mentioned support step forms a support for the top plate 2. A positioning plate 24 is arranged on the upper side of the through groove 22. The positioning plate 24 and the support plate 3 passing through the top plate 2 are supported and connected. The positioning plate 24 is provided with a positioning through hole 241, and positioning claws 242 are arranged around the positioning through hole 241. The lower side of the bottom plate 1 is fixedly connected with a steel frame 4. The lower side of the steel frame 4 is provided with a welding base 5. Pressing cylinders 51 are arranged at the four corners of the welding base 5, and the pressing cylinders 51 press the steel frame 4 against the top surface of the welding base 5.

[0022] The compressor bracket to be welded includes a square plate and support feet. Before welding starts, two through holes have been drilled in the square plate. During welding, the square plate is placed on the elevating welding table 23, and the second positioning columns 230 penetrate into the through holes in the square plate to form a limit. The elevating welding table 23 rises, lifting the square plate to the lower side of the positioning plate 24. The support feet are placed in the positioning through hole 241. The positioning through hole 241 positions the support feet to ensure the precise welding position. The positioning claws 242 restrain the support feet to make the support feet perpendicular to the square plate to ensure the welding quality. Then, the electric welding robot spot-welds the support feet and the square plate. After the spot welding is completed, the elevating welding table 23 descends, and the support feet are disengaged from the positioning through hole 241. The square plate and the support feet are moved to the top surface of the fixed welding table 21. The first positioning columns 210 penetrate into the through holes drilled in the square plate to form a position, and the spot welding robot fully welds the square plate and the support feet to weld into a compressor bracket.

[0023] As Figure 2The compressor bracket quick-change welding platform shown. The lifting welding platform 23 includes a base plate 231 and a vertical cylinder 232 arranged on the lower side of the base plate 231. The cylinder shaft of the vertical cylinder 232 is drivingly connected to the base plate 231, and connecting plates 233 are respectively connected to both sides of the cylinder body of the vertical cylinder 232, and the connecting plates 233 are fixedly connected to the bottom plate 1. The vertical cylinder 232 can lift the base plate 231 and lift the base plate 231 to a designated welding position. The top view of the positioning plate 24 is I-shaped, and the four corners of the positioning plate 24 are respectively connected to the support plate 3. The positioning through hole 241 is square, and four positioning claws 242 are provided, and the positioning claws 242 are respectively arranged on the four sides of the positioning through hole 241. The positioning claw 242 includes a first positioning claw 2421 and a second positioning claw 2422. The first positioning claw 2421 is arranged on the bottom surface of the positioning plate 24. The vertical plane of the first positioning claw 2421 faces the center of the positioning through hole 241. The plane of the first positioning claw 2421 is parallel to the edge of the positioning through hole 241. The second positioning claw 2422 includes a guide portion 24221 and a positioning portion 24222. The guide portion 24221 is arranged on the top surface of the positioning plate 24. The positioning portion 24222 is arranged on the bottom surface of the positioning plate 24. The guide portion 24221 is arranged on an arc surface facing the positioning through hole 241. The positioning portion 24222 is arranged on a vertical plane facing the positioning through hole 241. The fixed welding platform 21 includes two first support blocks 211. The two first support blocks 211 are arranged in parallel. The top surfaces of the two first support blocks 211 are in the same horizontal plane. The square plate is placed on the top surfaces of the two horizontal first support blocks 211. The first spinning cylinder 25 is respectively provided on both sides of the fixed welding platform 21, the top surface of the cylinder body of the first spinning cylinder 25 is connected to the top plate 2, and the cylinder shaft of the first spinning cylinder 25 is provided with a pressure block. The first spinning cylinder 25 presses and fixes the square plate to the fixed welding platform 21 to prevent movement during welding. Two second support blocks 235 are provided on the top surface of the substrate 231, and the two second support blocks 235 are arranged in parallel, and the top surfaces of the two second support blocks 235 are in the same horizontal plane. The second spinning cylinder 234 is respectively provided on both sides of the two second support blocks 235, the top surface of the cylinder body of the second spinning cylinder 234 is connected to the substrate 231, and the cylinder shaft of the second spinning cylinder 234 is connected with a pressure block. The second spinning cylinder 234 presses the bottom plate to the top surface of the substrate 231.

[0024] The above embodiments are exemplary, and their purpose is to illustrate the technical concept and features of the utility model so that people familiar with this field can understand the content of the utility model and implement it accordingly, and they cannot be used to limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A quick-change welding platform for a compressor bracket, characterized in that: The invention comprises a bottom plate (1) and a top plate (2); the bottom plate (1) and the top plate (2) are connected via a support plate (3); the top plate (2) is rectangular, a fixed soldering platform (21) is provided on one side of the top plate (2), the fixed soldering platform (21) is connected to two first positioning columns (210), a through groove (22) is provided on the side of the top plate (2) away from the fixed soldering platform (21), a lifting soldering platform (23) is provided in the through groove (22), the lifting soldering platform (23) is connected to the bottom plate (1), and the lifting soldering platform (23) is connected to the bottom plate (1). 3) two second positioning columns (230) are provided; a support plate (3) provided on one side of the lifting welding platform (23) passes through the top plate (2), the support plate (3) is provided with a support step, and the support step forms a support for the top plate (2); a positioning plate (24) is provided on the upper side of the through groove (22), the positioning plate (24) and the support plate (3) passing through the top plate (2) are supported and connected, the positioning plate (24) is provided with a positioning through hole (241), and a positioning claw (242) is provided around the positioning through hole (241).

2. The quick-change welding platform for a compressor bracket according to claim 1, characterized in that: The lifting welding platform (23) comprises a base plate (231) and a vertical cylinder (232) arranged on the lower side of the base plate (231); the cylinder shaft of the vertical cylinder (232) is drivingly connected to the base plate (231); connecting plates (233) are respectively connected to both sides of the cylinder body of the vertical cylinder (232); and the connecting plates (233) are fixedly connected to the bottom plate (1).

3. The quick-change welding platform for a compressor bracket according to claim 1, wherein: The positioning plate (24) is in an I-shape in a top view, and the four corners of the positioning plate (24) are respectively connected to the support plate (3).

4. The quick-change welding platform for a compressor bracket according to claim 1, characterized in that: The positioning through hole (241) is square, and four positioning claws (242) are provided. The positioning claws (242) are respectively provided on four sides of the positioning through hole (241).

5. The quick-change welding platform for a compressor bracket according to claim 4, wherein: The positioning claw (242) comprises a first positioning claw (2421) and a second positioning claw (2422), wherein the first positioning claw (2421) is arranged on the bottom surface of the positioning plate (24), a vertical plane provided on the first positioning claw (2421) faces the center of the positioning through hole (241), and a plane provided on the first positioning claw (2421) is parallel to the edge of the positioning through hole (241); the second positioning claw (2422) comprises a guiding portion (24221) and a positioning portion (24222), wherein the guiding portion (24221) is arranged on the top surface of the positioning plate (24), and the positioning portion (24222) is arranged on the bottom surface of the positioning plate (24), a side of the guiding portion (24221) facing the positioning through hole (241) is arranged as an arc-shaped surface, and a side of the positioning portion (24222) facing the positioning through hole (241) is arranged as a vertical plane.

6. The quick-change welding platform for a compressor bracket according to claim 1, wherein: The fixed welding platform (21) comprises two first support blocks (211), the two first support blocks (211) are arranged in parallel, and the top surfaces of the two first support blocks (211) are on the same horizontal plane.

7. The quick-change welding platform for a compressor bracket according to claim 1, characterized in that: A first spinning cylinder (25) is respectively provided on both sides of the fixed welding platform (21); the top surface of the cylinder body of the first spinning cylinder (25) is connected to the top plate (2); and a pressure block is connected to the cylinder shaft of the first spinning cylinder (25).

8. The quick-change welding platform for a compressor bracket according to claim 2, wherein: On the top surface of the substrate (231), there are two second support blocks (235). The two second support blocks (235) are arranged in parallel, and the top surfaces of the two second support blocks (235) are on the same horizontal plane.

9. The quick-change welding platform for a compressor bracket according to claim 8, characterized in that: On both sides of the two second support blocks (235), there are second spinning cylinders (234) respectively. The top surface of the cylinder body of the second spinning cylinder (234) is connected to the substrate (231), and the cylinder shaft of the second spinning cylinder (234) is connected with a pressing block.

10. The quick-change welding platform for a compressor bracket according to claim 1, characterized in that: A steel frame (4) is fixedly connected to the lower side of the bottom plate (1). A welding base (5) is arranged under the steel frame (4). Four pressing cylinders (51) are arranged at the four corners of the welding base (5), and the pressing cylinders (51) press the steel frame (4) against the top surface of the welding base (5).

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