阅读说明：本技术 一种新型碳弧气刨机 (Novel carbon arc gouging machine ) 是由 李建安 于 2021-09-14 设计创作，主要内容包括：本发明公开了一种新型碳弧气刨机,包括底座和通过隔板与底座连接的枪头,所述枪头的外侧设置有压头,所述压头上设置有第一压块,所述压头和第一压块之间设置有导气管,所述压头的外侧还开设有进气孔和出气孔、内部开设有气体流动通道,所述枪头的内部设置有多个碳刷,所述底座的内部设置有小齿轮和多个大齿轮组件,所述底座上设置有机座和上盖,所述机座上设置有RV减速电机,所述RV减速电机上设置有电机。本发明的有益效果是,结构简单,可有效提高工件的加工精度和效率,降低工人的劳动强度,改善工作环境,同时降低了成本。(The invention discloses a novel carbon arc gouging machine which comprises a base and a gun head connected with the base through a partition plate, wherein a pressure head is arranged on the outer side of the gun head, a first pressing block is arranged on the pressure head, an air guide pipe is arranged between the pressure head and the first pressing block, an air inlet hole and an air outlet hole are further formed in the outer side of the pressure head, an air flow channel is formed in the pressure head, a plurality of carbon brushes are arranged in the gun head, a pinion and a plurality of gear wheel assemblies are arranged in the base, a base and an upper cover are arranged on the base, an RV (right volume) reducing motor is arranged on the base, and a motor is arranged on the RV reducing motor. The invention has the advantages of simple structure, effectively improving the processing precision and efficiency of the workpiece, reducing the labor intensity of workers, improving the working environment and simultaneously reducing the cost.)

1. A novel carbon arc gouging machine comprises a base (1) and a gun head (24) connected with the base (1) through a partition plate (14), it is characterized in that a pressure head (20) is arranged on the outer side of the gun head (24), a first pressing block (22) is arranged on the pressure head (20), an air duct (21) is arranged between the pressure head (20) and the first pressing block (22), the outer side of the pressure head (20) is also provided with an air inlet hole (31) and an air outlet hole (32), the inner part is provided with a gas flow channel (33), a plurality of carbon brushes (23) are arranged inside the gun head (24), a pinion (4) and a plurality of gearwheel assemblies (10) are arranged inside the base (1), the base (1) is provided with a base (6) and an upper cover (3), the motor base (6) is provided with an RV speed reducing motor (8), and the RV speed reducing motor (8) is provided with a motor (8).

2. A novel carbon arc gouging machine according to claim 1, wherein an insulating pad (27) is arranged at the end of the gun head (24), a nozzle (29) is fixed on the insulating pad (27), a ceramic ring (28) is arranged inside the nozzle (29), the ceramic ring (28) is fixed on the insulating pad (27), the carbon rod (2) is inserted on the base (1), and a nozzle (30) is arranged on the nozzle (29).

3. The novel carbon arc gouging machine according to claim 2, wherein a second pressing block (26) and a connecting piece (25) are further arranged on the gun head (24), and the insulating pad (27) is fixedly connected with the gun head (24) through the connecting piece (25) and the second pressing block (26).

4. A novel carbon arc gouging machine according to claim 1, wherein a copper bar (16) is further arranged inside the gun head (24), the copper bar (16) is fixed between the gun head (24) and a partition plate (14), and a first bushing (13) is arranged at a connecting port of the partition plate (14) and the base (1).

5. The novel carbon arc gouging machine according to claim 1, wherein a sliding block (12) is further arranged inside the base (1), two ends of the sliding block (12) are respectively provided with a baffle (11), the sliding block (12) is fixed on the base (1) through the baffles (11), the number of the gear wheel assemblies (10) is four, every two gear wheel assemblies (10) form a group, one gear wheel assembly (10) in each group is fixed on the sliding block (12), one gear wheel assembly is fixed on the base (1), and the two gear wheel assemblies (10) in each group are connected in a meshed mode.

6. The novel carbon arc gouging machine according to claim 5, wherein a nut (19) is further arranged on the base (1), a spring (18) is arranged between the nut (19) and the sliding block (12), one end of the spring (18) is fixed on the sliding block (12), and one end of the spring is sleeved on the nut (19).

7. The novel carbon arc gouging machine according to claim 1, wherein said motor (8) is fixed to said RV reducer (7), said RV reducer (7) is provided with a connecting shaft (5), said pinion (4) is fixed to said connecting shaft (5) of said RV reducer motor (8), and said bull gear assembly (10) is engaged with said pinion (4).

8. The novel carbon arc gouging machine according to claim 1, wherein a conductive block (17) and a fixed seat (9) are further arranged on the base (1), the conductive block (17) penetrates through the base (1), one end of the conductive block is connected with the gun head (24), and a second bushing (15) is arranged at the joint of the conductive block (17) and the base (1).

9. A novel carbon arc gouging machine according to claim 1, wherein said gas inlet (31) and said gas outlet (32) are each in communication with said gas flow channel (33).

Technical Field

The invention relates to the technical field of carbon arc gouging machines, in particular to a novel carbon arc gouging machine.

Background

The carbon arc gouging machine is a method of using carbon rod or graphite rod as electrode, producing electric arc between the electrode and workpiece, melting metal and processing groove on the surface of workpiece. The automatic carbon arc gouging machine is mainly used for gouging, eliminating weld defects and back gouging in welding production, has the advantages of great flexibility, capability of performing all-position operation, good accessibility, simplicity, convenience, high efficiency, capability of clearly observing the shapes and the depths of the defects under electric arcs when the defects of the weld are eliminated, higher precision when the automatic carbon arc gouging machine is used, and capability of reducing the labor intensity.

However, in the use process of the existing carbon arc gouging machine, the temperature inside the gun head is very high after the gun head is powered on, the service life of the gun head can be influenced after the gun head is used for a long time, and the processing precision of a workpiece and the working efficiency of the carbon arc gouging machine can be influenced if the metal on the workpiece is not cleaned in time after being melted.

Disclosure of Invention

The invention aims to solve the problems and designs a novel carbon arc gouging machine.

The novel carbon arc gouging machine comprises a base and a gun head connected with the base through a partition plate, wherein a pressure head is arranged on the outer side of the gun head, a first pressing block is arranged on the pressure head, an air guide pipe is arranged between the pressure head and the first pressing block, an air inlet hole and an air outlet hole are further formed in the outer side of the pressure head, an air flow channel is formed in the pressure head, a plurality of carbon brushes are arranged in the gun head, a pinion and a plurality of gear wheel assemblies are arranged in the base, a base and an upper cover are arranged on the base, an RV speed reduction motor is arranged on the base, and a motor is arranged on the RV speed reduction motor.

As a further supplement of the invention, an insulating pad is arranged at the end of the gun head, a nozzle is fixed on the insulating pad, a ceramic ring is arranged inside the nozzle and fixed on the insulating pad, a carbon rod is inserted on the base, and a nozzle is arranged on the nozzle.

As a further supplement of the invention, the gun head is also provided with a second pressing block and a connecting sheet, and the insulating pad is fixedly connected with the gun head through the connecting sheet and the second pressing block.

As a further supplement of the invention, a copper bar is further arranged inside the gun head, the copper bar is fixed between the gun head and the partition plate, and a first bushing is arranged at a connecting port of the partition plate and the base.

As a further supplement of the invention, the base is also internally provided with a slide block, two ends of the slide block are respectively provided with a baffle plate, the slide block is fixed on the base through the baffle plate, the number of the gearwheel assemblies is four, every two gearwheel assemblies are in one group, one gearwheel assembly in each group is fixed on the slide block, the other gearwheel assembly is fixed on the base, and the two gearwheel assemblies in each group are in meshed connection.

As a further supplement of the invention, the base is further provided with a nut, a spring is arranged between the nut and the sliding block, one end of the spring is fixed on the sliding block, and the other end of the spring is sleeved on the nut.

As a further supplement of the present invention, the motor is fixed on the reducer, the RV reducer is provided with a connecting shaft, the pinion is fixed on the connecting shaft of the RV reducer motor, and the bull gear assembly is in meshed connection with the pinion.

As a further supplement of the invention, the base is further provided with a conductive block and a fixed seat, the conductive block penetrates through the base, one end of the conductive block is connected with the gun head, and a second bushing is arranged at the joint of the conductive block and the base.

As a further supplement to the present invention, said inlet port and said outlet port are each in communication with said gas flow passage.

The novel carbon arc gouging machine has the advantages that after the novel carbon arc gouging machine is powered on, metal wires in the carbon rod are heated and heated in the gun head, electric arcs are generated at the end of the gun head, the surface of a workpiece is welded, cooling gas is injected into a gas flow channel in the gun head through the gas inlet hole to cool the gun head, part of the gas flows into the gas guide pipe from the gas outlet hole, and is sprayed to molten metal on the surface of the workpiece from the gas guide pipe to be removed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic illustration of an explosive structure of the present invention;

fig. 3 is a schematic sectional view of the lance tip.

In the figure, 1, a base; 2. a carbon rod; 3. an upper cover; 4. a pinion gear; 5. a connecting shaft; 6. a machine base; 7. an RV reducer; 8. a motor; 9. a fixed seat; 10. a bull gear assembly; 11. a baffle plate; 12. a slider; 13. a first bushing; 14. a partition plate; 15. a second bushing; 16. copper bars; 17. a conductive block; 18. a spring; 19. a nut; 20. a pressure head; 21. an air duct; 22. a first pressing block; 23. a carbon brush; 24. a gun head; 25. connecting sheets; 26. a second pressing block; 27. an insulating pad; 28. a ceramic ring; 29. a nozzle; 30. a spray head; 31. an air inlet; 32. an air outlet; 33. a gas flow channel.

Detailed Description

The invention provides a carbon arc gouging machine, which is novel equipment for gouging and eliminating weld defects, wherein high temperature can be generated in a gun head in the working process, the service life of the gun head can be influenced due to overhigh temperature, so that the gun head needs to be cooled circularly, and in addition, when the carbon arc gouging machine is used for processing the surface of a workpiece, redundant molten metal needs to be removed, otherwise, observation is influenced, so that the processing precision is influenced.

The invention is described in detail with reference to the accompanying drawings, as shown in fig. 1-3, the carbon arc gouging machine includes a base 1, a gun head 24 connected with the base 1 through a partition plate 14, a pressure head 20 arranged outside the gun head 24, a second pressing block 26 and a connecting sheet 25, wherein in order to cool the gun head 24 when in operation, a gas inlet 31 and a gas outlet 32 are further arranged on the side surface of the gun head 24, a gas flow channel 33 is arranged inside the gun head 24, the gas inlet 31 and the gas outlet 32 are respectively communicated with the gas flow channel 33, low-temperature gas flows into the gas flow channel 33 through the gas inlet 31, and then circulates for a circle in the gas flow channel 33 and is discharged from the gas outlet 32, thereby cooling the gun head 24; in order to utilize the temperature-reducing gas in the gas flow channel 33, a first pressure block 22 is further arranged on the pressure head 20, a gas guide pipe 21 is arranged between the pressure head 20 and the first pressure block 22, the gas guide pipe 21 is communicated with the gas flow channel 33 in the gun head 24, and a part of gas in the gas flow channel 33 can be discharged along the gas guide pipe 21 and is opposite to the surface of a workpiece through the pipe orifice of the gas guide pipe 21, so that the molten metal is blown off.

Next, the operation mechanism of the carbon arc gouging machine will be described, a plurality of carbon brushes 23 are arranged inside the gun head 24, the carbon brush wires of the carbon brushes 23 pass through the gun head 24 to be exposed to the outside, an insulating pad 27 is arranged at the end of the gun head 24, a nozzle 29 is fixed on the insulating pad 27, a ceramic ring 28 is arranged inside the nozzle 29, the ceramic ring 28 is fixed on the insulating pad 27, the insulating pad 27 and the ceramic ring 28 both play a role of isolating high temperature, a nozzle 30 is arranged at the end of the nozzle 29, a second pressing block 26 and a connecting sheet 25 are further arranged on the gun head 24, the insulating pad 27 is fixedly connected with the gun head 24 through the connecting sheet 25 and the second pressing block 26 so as to fix the whole, a copper bar 16 is further arranged inside the gun head 24, the copper bar 16 is fixed between the gun head 24 and the partition plate 14, a first bush 13 is arranged at the connecting port of the partition plate 14 and the base 1, a sliding block 12 is arranged inside the base 1, The small gear 4, the four large gear assemblies 10 and the outer portion of the large gear assembly are provided with a base 6 and an upper cover 3, wherein two ends of a sliding block 12 are respectively provided with a baffle 11, the sliding block 12 is fixed on a base 1 through the baffle 11, a nut 19 is further arranged on the base 1, a spring 18 is arranged between the nut 19 and the sliding block 12, one end of the spring 18 is fixed on the sliding block 12, one end of the spring is sleeved on the nut 19, the nut 19 can play a role in fastening, and the spring 18 can play a role in buffering.

Two of the large gear assemblies 10 are combined into one group, one large gear assembly 10 in each group is fixed on a sliding block 12, one large gear assembly is fixed on a base 1, the two large gear assemblies 10 in each group are connected in a meshing manner, the large gear assemblies 10 are connected with a pinion 4 in a meshing manner, an RV speed reducing motor 8 is arranged on a base 6, the motor 8 is fixed on an RV speed reducing machine 7, a connecting shaft 5 is further arranged on the RV speed reducing machine 7, the pinion 4 is fixed on the connecting shaft 5, the motor 8 rotates, the pinion 4 is driven to rotate after being reduced by the RV speed reducing motor 8, so that the large gear assemblies 10 are driven to rotate, a carbon rod 2 is further inserted on the base 1 for root cleaning, back grooving, welding defect cleaning and the like of a welding line, the other end of the carbon rod 2 passes through a gun head 24 and directly reaches the spray head 30 and penetrates out of the spray head 30, in order to electrify the carbon arc gouging machine, a conductive block 17 and a fixed seat 9 are further arranged on the base 1, the conducting block 17 penetrates through the base 1, one end of the conducting block is connected with the gun head 24, a second lining 15 is arranged at the joint of the conducting block 17 and the base 1, the protection effect is achieved, when a welding seam or a defect of a workpiece is machined, a metal wire is inserted into the carbon rod 2, the carbon rod 2 is driven to move forwards through the large gear wheel assembly 10, the conducting block 17 is connected with the anode, high temperature can be generated inside the gun head 24 to heat, the carbon rod 2 extending out of the end of the spray head 30 can generate electric arc, the metal wire is melted, the welding seam or the defect on the surface of the workpiece is welded, in the welding process, gas is introduced into a gas flow channel 33 of the gun head 24 to cool, and part of the gas is sprayed to the surface of the workpiece through the gas guide tube 21 to blow off redundant molten metal on the surface.

The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.