Intelligent medium-frequency inverter projection welding machine

Abstract

The utility model provides an intelligent intermediate frequency inversion type projection welding machine, which relates to the technical field of projection welding machines, and comprises a lifting support table, a sliding seat is fixedly mounted in the lifting support table, a blowpipe is fixedly mounted at one end of the sliding seat, an air guide hose is fixedly mounted at one end of the blowpipe, and an air outlet pipe is fixedly mounted at the other end of the blowpipe. And a cooling fan is fixedly mounted at one end of the air guide hose. The projection welding workbench has the advantages that the movable cooling structure is arranged on one side of the projection welding workbench, the cooling structure is controlled to move according to the size of a projection welding workpiece and the projection welding position, the cooling structure is adjusted to the position corresponding to a projection welding point, and cold air is conveyed to the projection welding point through the cooling structure; and the conveyed cold air can directly act on the projection welding position, the projection welding position is rapidly cooled, the flowing distance of the cold air is reduced, the loss of the cold air is reduced, the projection welding position can be rapidly cooled conveniently, and the projection welding stability and the projection welding strength are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of projection welding machines, in particular to an intelligent medium-frequency inverter projection welding machine. Background Art

[0002] The medium frequency inverter spot welding machine is an advanced welding equipment with a wide range of applications. The welding transformer is small in size but has a large output energy. It is used in the automotive industry and the one-piece transformer speed welding tongs in the home appliance industry are more advantageous. Its superior performance is due to the increase in the welding transformer frequency from the current 50 / 60Hz to 1000Hz, which greatly reduces the weight of the core material. In addition, the rectifier diode in the secondary circuit of the transformer converts the electrical energy into a DC power supply for welding. This can greatly improve the inductance value of the secondary circuit, which is an important factor that causes energy loss and can be almost ignored in the DC welding circuit, thereby reducing production costs to a minimum.

[0003] However, the existing medium frequency inverter spot projection welding machine is not convenient for rapid cooling of the weld during the welding process. After welding, the welded parts need to be given a certain cooling time to ensure the stability of the welding, which is inconvenient to use. Utility Model Content

[0004] Therefore, the purpose of the utility model is to propose an intelligent medium frequency inverter projection welding machine to solve the problems mentioned in the background technology and overcome the shortcomings of the prior art.

[0005] In order to achieve the above-mentioned purpose, an embodiment of the utility model on one side provides an intelligent medium-frequency inverter projection welding machine, including a projection welding machine body, a lifting welding head is fixedly installed on the top of one end of the projection welding machine body, a welding table fixedly installed with the projection welding machine body is arranged below the lifting welding head, a lifting support platform is arranged on one side of the welding table, a sliding seat is fixedly installed inside the lifting support platform, a blowing pipe is fixedly installed on one end of the sliding seat, an air guide hose is fixedly installed on one end of the blowing pipe, and a cooling fan is fixedly installed on one end of the air guide hose.

[0006] Preferably, any of the above schemes comprises a lifting cylinder and a welding seat, wherein the lifting cylinder is fixedly mounted on the top of the projection welding machine body, and the welding seat is fixedly mounted on the output end of the lifting cylinder.

[0007] The above technical solution is adopted: when performing projection welding, the lifting cylinder is controlled to extend and retract to drive the welding seat to move up and down, and the height of the welding seat is adjusted according to the welding requirements.

[0008] Preferably, any of the above schemes is that the welding table is located below the welding seat, and a movable groove adapted to the lifting support platform is provided inside the projection welding machine body, and the movable groove is located on one side of the welding table.

[0009] The above technical solution is adopted: a welding seat is used to support the workpiece to be welded, which is convenient for projection welding of the workpiece, and a movable groove is provided on one side of the welding table to facilitate supporting and fixing the cooling structure.

[0010] Preferably, any of the above schemes comprises a hydraulic telescopic rod and a support seat, wherein the hydraulic telescopic rod is fixedly installed inside the movable groove, and the support seat is fixedly installed on the top end of the hydraulic telescopic rod.

[0011] The above technical solution is adopted: according to the size of the projection welding workpiece and the position of the projection welding, the hydraulic telescopic rod is controlled to telescope and drive the support seat to move up and down inside the movable groove, and the height of the support seat is adjusted, so that the support seat drives the cooling structure to adjust the height.

[0012] Preferably, any of the above schemes comprises a pneumatic telescopic rod and a movable seat, wherein the pneumatic telescopic rod is fixedly mounted inside the support seat, and one end of the pneumatic telescopic rod is fixedly mounted with a movable seat movably connected to the support seat.

[0013] The above technical solution is adopted: while adjusting the height of the support seat, the pneumatic telescopic rod is controlled to extend and retract to push the movable seat to move inside the adjustment support seat, and the position of the movable seat is adjusted, so that the movable seat drives the cooling structure to adjust the position.

[0014] Preferably, any of the above schemes is that a sliding groove is provided inside the support seat, guide grooves are provided at both ends of the sliding groove, and the blowing pipe and the air guiding hose both pass through the guide grooves.

[0015] The above technical solution is adopted: the blowing pipe and the air guiding hose are fixed at both ends of the movable seat respectively, and the movable seat moves to drive the blowing pipe and the air guiding hose to move inside the guide groove to adjust the positions of the blowing pipe and the air guiding hose.

[0016] Preferably, any of the above schemes is that the cooling fan is fixedly installed inside the projection welding machine body, one end of the cooling fan is provided with a ventilation slot, and the ventilation slot is opened inside the projection welding machine body.

[0017] The above technical solution is adopted: the cooling fan conveys cold air to the air guide hose through the ventilation slot, so that the air guide hose guides the cold air into the interior of the blowing pipe, and the blowing pipe blows the cold air to the projection welding position for cooling.

[0018] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0019] 1. A movable cooling structure is set on one side of the projection welding workbench. The cooling structure is controlled to move according to the size of the projection welding workpiece and the position of the projection welding. The cooling structure is adjusted to a position corresponding to the projection welding point. The cooling structure is used to transport cold air to the projection welding point so that the transported cold air can directly act on the projection welding position, quickly cool the projection welding position, reduce the spacing of the cold air flow, reduce the loss of cold air, facilitate rapid cooling of the projection welding position, and improve the stability and strength of the projection welding.

[0020] 2. The cooling structure is arranged inside the projection welding machine, and the frame of the projection welding machine is used to cover and contain the cooling structure, so as to reduce the contact between the cooling structure and the outside world and improve the safety of the cooling structure.

[0021] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0023] Figure 1 It is a schematic diagram of the structure according to the first viewing angle of an embodiment of the utility model;

[0024] Figure 2 It is a schematic diagram of the structure of the second viewing angle according to an embodiment of the utility model;

[0025] Figure 3 It is a structural schematic diagram of a lifting support platform according to an embodiment of the utility model;

[0026] Figure 4 It is a schematic cross-sectional structure diagram of a projection welding machine body according to an embodiment of the utility model;

[0027] Among them: 1-projection welding machine body, 2-lifting welding head, 21-lifting cylinder, 22-welding seat, 3-welding table, 4-lifting support platform, 41-hydraulic telescopic rod, 42-support seat, 5-sliding seat, 51-pneumatic telescopic rod, 52-movable seat, 6-blowing pipe, 7-air guide hose, 8-cooling fan, 9-ventilation slot. DETAILED DESCRIPTION

[0028] The utility model is further described below in conjunction with the accompanying drawings, but the protection scope of the utility model is not limited to the following description.

[0029] like Figure 1-4As shown, an intelligent medium-frequency inverter projection welding machine of an embodiment of the utility model includes a projection welding machine body 1, a lifting welding head 2 is fixedly installed on the top of one end of the projection welding machine body 1, a welding table 3 fixedly installed with the projection welding machine body 1 is arranged below the lifting welding head 2, a lifting support platform 4 is arranged on one side of the welding table 3, a sliding seat 5 is fixedly installed inside the lifting support platform 4, a blowing pipe 6 is fixedly installed on one end of the sliding seat 5, an air guide hose 7 is fixedly installed on one end of the blowing pipe 6, and a cooling fan 8 is fixedly installed on one end of the air guide hose 7.

[0030] Preferably, from any of the above schemes, the lifting welding head 2 comprises a lifting cylinder 21 and a welding seat 22 , the lifting cylinder 21 is fixedly mounted on the top of the projection welding machine body 1 , and the welding seat 22 is fixedly mounted on the output end of the lifting cylinder 21 .

[0031] The above technical solution is adopted: when performing projection welding, the lifting cylinder 21 is controlled to extend and retract to drive the welding seat 22 to move up and down, and the height of the welding seat 22 is adjusted according to the welding requirements.

[0032] Preferably, any of the above schemes is that the welding table 3 is located below the welding seat 22 , and a movable groove adapted to the lifting support platform 4 is provided inside the projection welding machine body 1 , and the movable groove is located on one side of the welding table 3 .

[0033] The above technical solution is adopted: the welding seat 22 is used to support the workpiece to be welded, which is convenient for projection welding of the workpiece, and a movable groove is provided on one side of the welding table 3 to facilitate supporting and fixing the cooling structure.

[0034] Preferably, any of the above schemes comprises a lifting support platform 4 including a hydraulic telescopic rod 41 and a support seat 42 . The hydraulic telescopic rod 41 is fixedly installed inside the movable groove, and the support seat 42 is fixedly installed at the top end of the hydraulic telescopic rod 41 .

[0035] The above technical solution is adopted: according to the size of the projection welding workpiece and the position of the projection welding, the hydraulic telescopic rod 41 is controlled to telescope and drive the support seat 42 to move up and down inside the movable groove, and the height of the support seat 42 is adjusted, so that the support seat 42 drives the cooling structure to adjust the height.

[0036] Preferably, any of the above schemes comprises a pneumatic telescopic rod 51 and a movable seat 52 , wherein the pneumatic telescopic rod 51 is fixedly mounted inside the support seat 42 , and one end of the pneumatic telescopic rod 51 is fixedly mounted with the movable seat 52 movably connected to the support seat 42 .

[0037] The above technical solution is adopted: while adjusting the height of the support seat 42, the pneumatic telescopic rod 51 is controlled to extend and retract to push the movable seat 52 to move inside the adjustment support seat 42, and the position of the movable seat 52 is adjusted, so that the movable seat 52 drives the cooling structure to adjust the position.

[0038] Preferably, any of the above schemes has a sliding groove formed inside the support seat 5 , guide grooves are formed at both ends of the sliding groove, and the blowing pipe 6 and the air guide hose 7 both pass through the guide grooves.

[0039] The above technical solution is adopted: the blowing pipe 6 and the air guiding hose 7 are fixed at the two ends of the movable seat 52 respectively, and the movable seat 52 moves to drive the blowing pipe 6 and the air guiding hose 7 to move inside the guide groove to adjust the positions of the blowing pipe 6 and the air guiding hose 7.

[0040] Preferably, any of the above schemes is that the cooling fan 8 is fixedly installed inside the projection welding machine body 1, and a ventilation slot 9 is provided at one end of the cooling fan 8, and the ventilation slot 9 is opened inside the projection welding machine body 1.

[0041] The above technical solution is adopted: the cooling fan 8 conveys cold air to the air guide hose 7 through the ventilation slot 9, so that the air guide hose 7 guides the cold air into the interior of the blowing pipe 6, and the blowing pipe 6 blows the cold air to the projection welding position for cooling.

[0042] The utility model is an intelligent medium frequency inverter projection welding machine, the working principle of which is as follows:

[0043] Place the workpiece to be welded on the welding table 3, control the lifting cylinder 21 to extend and retract to drive the welding seat 22 to weld the workpiece, control the hydraulic telescopic rod 41 to extend and retract to drive the support seat 42 to move up and down, control the pneumatic telescopic rod 51 to extend and retract to drive the movable seat 52 to move inside the support seat 42, so that the movable seat 52 drives the blowing pipe 6 and the air guide hose 7 to move.

[0044] Compared with the prior art, the present invention has the following beneficial effects:

[0045] 1. A movable cooling structure is set on one side of the projection welding workbench. The cooling structure is controlled to move according to the size of the projection welding workpiece and the position of the projection welding. The cooling structure is adjusted to a position corresponding to the projection welding point. The cooling structure is used to transport cold air to the projection welding point so that the transported cold air can directly act on the projection welding position, quickly cool the projection welding position, reduce the spacing of the cold air flow, reduce the loss of cold air, facilitate rapid cooling of the projection welding position, and improve the stability and strength of the projection welding.

[0046] 2. The cooling structure is arranged inside the projection welding machine, and the frame of the projection welding machine is used to cover and contain the cooling structure, so as to reduce the contact between the cooling structure and the outside world and improve the safety of the cooling structure.

Claims

1. An intelligent medium frequency inverter projection welding machine, comprising a projection welding machine body, a lifting welding head is fixedly installed on the top of one end of the projection welding machine body, and a welding table fixedly installed with the projection welding machine body is arranged below the lifting welding head, characterized in that: A lifting support platform is provided on one side of the welding table, a sliding seat is fixedly installed inside the lifting support platform, a blowing pipe is fixedly installed on one end of the sliding seat, an air guide hose is fixedly installed on one end of the blowing pipe, and a cooling fan is fixedly installed on one end of the air guide hose.

2. An intelligent medium frequency inverter projection welding machine as claimed in claim 1, characterized in that: The lifting welding head comprises a lifting cylinder and a welding seat. The lifting cylinder is fixedly installed on the top of the projection welding machine body, and the welding seat is fixedly installed on the output end of the lifting cylinder.

3. An intelligent medium frequency inverter projection welding machine as claimed in claim 2, characterized in that: The welding table is located below the welding seat, and a movable groove adapted to the lifting support platform is provided inside the projection welding machine body, and the movable groove is located on one side of the welding table.

4. An intelligent medium frequency inverter projection welding machine as claimed in claim 3, characterized in that: The lifting support platform comprises a hydraulic telescopic rod and a support seat. The hydraulic telescopic rod is fixedly installed inside the movable groove, and the top end of the hydraulic telescopic rod is fixedly installed with the support seat.

5. An intelligent medium frequency inverter projection welding machine as claimed in claim 4, characterized in that: The sliding seat comprises a pneumatic telescopic rod and a movable seat. The pneumatic telescopic rod is fixedly installed inside the supporting seat. One end of the pneumatic telescopic rod is fixedly installed with the movable seat movably connected to the supporting seat.

6. An intelligent medium frequency inverter projection welding machine as claimed in claim 5, characterized in that: A sliding groove is provided inside the support seat, guide grooves are provided at both ends of the sliding groove, and the blowing pipe and the air guiding hose both pass through the guide grooves.

7. An intelligent medium frequency inverter projection welding machine as claimed in claim 6, characterized in that: The cooling fan is fixedly installed inside the projection welding machine body. One end of the cooling fan is provided with a ventilation slot, and the ventilation slot is opened inside the projection welding machine body.

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