CN218461151U

CN218461151U - Inverter type direct-current manual electric welding machine

Info

Publication number: CN218461151U
Application number: CN202222510536.0U
Authority: CN
Inventors: 杨涛; 王晓东
Original assignee: Shandong Meisite Electromechanical Co ltd
Current assignee: Shandong Meisite Electromechanical Co ltd
Priority date: 2022-09-22
Filing date: 2022-09-22
Publication date: 2023-02-10
Anticipated expiration: 2032-09-22

Abstract

The utility model relates to an electric welding technical field especially relates to an inverter type direct current manual electric welding, and it includes quick-witted case, coiled pipe, cooler bin, liquid pump, riser and rolling dish. The machine case is internally provided with a mounting plate, and the mounting plate is provided with a host. The side plate of the case is provided with a radiator, and the case is provided with an air inlet. The coiled pipe is arranged in the case, the cooling box is arranged in the case, the refrigerating assembly is arranged in the cooling box, one end of the coiled pipe is inserted into the cooling box, the other end of the coiled pipe is connected with the output end of the liquid pump, and the other end of the liquid pump connecting pipe is inserted into the cooling box and is positioned below the liquid level. The vertical plates are symmetrically arranged in the case, and the vertical plates are provided with driving motors which are connected with the hollow shaft in a driving mode. The winding disc is arranged on the hollow shaft, and a cable is wound on the winding disc. The utility model discloses in, after the outside air got into quick-witted case with the heat transfer of cold coiled pipe, air conditioning realized the cooling to the host computer with the heat transfer of hot host computer to set up cable rolling structure, made the cable receive and release the convenience, and difficult the book twines.

Description

Inverter type direct-current manual electric welding machine

Technical Field

The utility model relates to an electric welding technical field especially relates to an inverter type direct current manual welding machine.

Background

The inverter type direct current arc welding machine is an inverter type welding rod arc welding machine which takes an MOSFET field effect power tube as a switch element. Firstly, the power frequency input voltage of 50Hz is rectified and filtered to form direct current voltage, then the direct current voltage is converted into alternating current voltage with high frequency (100 KHz) through a power electronic switch, the alternating current voltage is converted into alternating current voltage suitable for the requirements of a welding process through a transformer, and finally the alternating current voltage is converted into direct current welding voltage through rectification and filtering. The output current is controlled and regulated by a pulse width modulation control technique (PWM). Because of using the inversion technique of the switch power supply, the weight and the volume of the welding machine are greatly reduced, the efficiency is improved, and the electric energy consumption is saved. The inverter type direct current arc welding machine is widely applied to welding of stainless steel, alloy steel, carbon steel, low alloy steel, copper and other metals. The existing inverter type direct current manual electric welding machine has a single internal heat dissipation structure, and when the electric welding machine works for a long time, high heat is generated, and if the temperature is not reduced timely, the downtime of the electric welding machine is easily caused.

Chinese patent with grant bulletin number CN215658375U discloses an invertion formula direct current manual welding of low energy consumption, the utility model discloses cross the semiconductor refrigerator and cool down the cooling fin, be connected inlet tube and outlet pipe with condenser tube through the connector, produce wind-force through radiator fan, cool down to the air of welding one side through the condenser tube, inhale the welding with refrigerated air through radiator fan inside, and cool off the air of inhaling through the cooling fin, cooling effect to the welding is better, the radiating work efficiency of welding has been improved, protection effect to the welding is better.

However, the device still has the following defects: the external cable of equipment lacks direction rolling structure, leads to the easy wraparound of the cable that the outside stretches out or twines on external equipment, and then causes the influence to staff's welding process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a problem to existence among the background art, provide an inverter type direct current manual electric welding.

The technical scheme of the utility model: an inverter type direct-current manual electric welding machine comprises a machine case, a coiled pipe, a cooling box, a liquid pump, a vertical plate and a winding disc. The case is internally provided with a mounting plate, and the mounting plate is provided with a host. The side plate of the case is provided with heat dissipation holes, the heat dissipation holes are internally provided with radiators, and the input ends of the radiators are positioned inside the case. An air inlet is arranged on the back plate of the case, and the air inlet and the heat dissipation holes are respectively positioned on two sides of the host. The coiled pipe is arranged in the case and is positioned between the main machine and the air inlet. The cooling box is arranged in the machine case, a refrigeration component is arranged in the cooling box, and one end of the coiled pipe is inserted into the cooling box. The liquid pump sets up in quick-witted incasement, and the output of liquid pump sets up the connecting pipe, and the other end of connecting pipe inserts in the cooler bin and lies in the liquid level below, and the output of liquid pump is connected with the other end of coiled pipe. The vertical plates are symmetrically arranged in the case, and hollow shafts are arranged on the vertical plates in a penetrating manner. The vertical plate is internally provided with a ratchet wheel which is connected with the hollow shaft in a unidirectional rotation way. The vertical plate is provided with a driving motor which is connected with the ratchet wheel in a driving way. The winding disc is arranged on the hollow shaft, the winding disc is wound with a cable, and one end of the cable is inserted into the hollow shaft and is connected with the output end of the host. The case is provided with a threading hole, and the other end of the cable penetrates through the threading hole and is in sliding connection with the threading hole.

Preferably, two handles are symmetrically arranged on the case, the pull rod is rotatably arranged on the case, and the handles and the pull rod are both provided with anti-skidding handle sleeves. The bottom of the case is provided with universal wheels, and the universal wheels are provided with self-locking assemblies.

Preferably, an electrostatic dust collection net is arranged in an air inlet of the case, and a dust screen is arranged in a heat dissipation hole of the case.

Preferably, the refrigeration assembly comprises a cold conducting plate, a refrigeration plate and a heat radiating fin. The cold guide plate is arranged on the bottom plate of the cooling box, the cold end of the refrigeration piece penetrates through the bottom plate of the cooling box and is attached to the cold guide plate, and the hot end of the refrigeration piece is connected with the heat collection end of the heat dissipation fin.

Preferably, a temperature sensor and a controller are arranged in the case, the temperature sensor is in communication connection with the controller, and the controller is in control connection with the refrigeration assembly, the radiator and the liquid pump.

Preferably, set up the stirring subassembly in the cooler bin, the stirring subassembly includes motor and stirring rake, and motor drive connects the stirring rake, and the stirring rake is located the liquid level below.

Preferably, a control switch and an adjusting knob are arranged on the case, and a liquid crystal display screen is arranged on the case.

Compared with the prior art, the utility model discloses following profitable technological effect has:

through the arrangement of the matching structure of the cooling box, the liquid pump and the coiled pipe, after a cold guide medium in the cooling box is cooled by the refrigerating assembly, a low-temperature cooling medium is sent into the coiled pipe by the liquid pump and finally flows back into the cooling box, and after entering the case, outside air contacts with the cold coiled pipe and exchanges heat with the coiled pipe, so that the air temperature is reduced, and the low-temperature air can accelerate the cooling of the host; through setting up the rolling dish, utilize the rolling dish to carry out the rolling to the cable, and the rolling dish passes through driving motor electric drive, makes the cable rolling convenient, has set up the ratchet simultaneously, utilizes the ratchet to realize the one-way free rotation of rolling dish, makes things convenient for the staff pull cable, and does not hinder driving motor drive rolling dish rolling cable.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a diagram illustrating an internal structure of the housing of FIG. 1;

fig. 3 is a view showing a structure of connection between the coil pipe of fig. 2 and the liquid pump and the cooling tank.

Reference numerals: 1. a chassis; 101. mounting a plate; 102. a host; 2. a heat sink; 3. a handle; 4. a pull rod; 5. a universal wheel; 6. an air inlet; 7. a serpentine tube; 8. a cooling tank; 9. a liquid pump; 10. a connecting pipe; 11. a cold conducting plate; 12. a refrigeration plate; 13. heat dissipation fins; 14. a vertical plate; 15. a hollow shaft; 16. a ratchet wheel; 17. a drive motor; 18. a winding disc; 19. a cable.

Detailed Description

Example one

As shown in fig. 1-3, the utility model provides an inverter type direct current manual electric welding machine, including quick-witted case 1, coiled pipe 7, cooling tank 8, liquid pump 9, riser 14 and rolling dish 18. A mounting plate 101 is arranged in the case 1, and a host 102 is arranged on the mounting plate 101. The side plate of the case 1 is provided with heat dissipation holes, the heat dissipation holes are internally provided with the radiators 2, and the input ends of the radiators 2 are positioned in the case 1. An air inlet 6 is arranged on the back plate of the case 1, and the air inlet 6 and the heat dissipation holes are respectively positioned on two sides of the host 102. The coiled pipe 7 is arranged in the machine case 1, and the coiled pipe 7 is positioned between the main machine 102 and the air inlet 6. The cooling box 8 is arranged in the case 1, the refrigerating component is arranged in the cooling box 8, and one end of the coiled pipe 7 is inserted into the cooling box 8. The liquid pump 9 is arranged in the case 1, the output end of the liquid pump 9 is provided with a connecting pipe 10, the other end of the connecting pipe 10 is inserted into the cooling tank 8 and is positioned below the liquid level, and the output end of the liquid pump 9 is connected with the other end of the coiled pipe 7. The vertical plates 14 are symmetrically arranged in the case 1, and hollow shafts 15 are arranged on the vertical plates 14 in a penetrating manner. A ratchet wheel 16 is arranged in the vertical plate 14, and the ratchet wheel 16 is connected with the hollow shaft 15 in a unidirectional rotation way. The vertical plate 14 is provided with a driving motor 17 which is connected with a ratchet wheel 16 in a driving way. A winding disc 18 is arranged on the hollow shaft 15, a cable 19 is wound on the winding disc 18, and one end of the cable 19 is inserted into the hollow shaft 15 and is connected with the output end of the host machine 102 in a switching mode. The case 1 is provided with a threading hole, and the other end of the cable 19 penetrates through the threading hole and is connected with the threading hole in a sliding way.

In this embodiment, when the cable 19 is pulled during welding, the winding disc 18 can rotate freely and unidirectionally under the matching action of the hollow shaft 15 and the ratchet wheel 16, the cable is stretched to a required length, the welding is started, after the welding is finished, the driving motor 17 is started and drives the ratchet wheel 16 to rotate reversely, the hollow shaft 15 rotates reversely under the driving of the ratchet wheel 16, and then the cable 19 is recovered. When the electric welding machine works, the main machine 102 generates heat, the refrigerating assembly and the liquid pump 9 are started, and the radiator 2 is started, and the liquid pump 9 guides low-temperature cooling liquid into the coiled pipe 7 and finally flows back into the cooling box 8. When the radiator 2 works, external air enters the case 1 along the air inlet 6, the air exchanges heat with the low-temperature coiled pipe 7, the air temperature is reduced, the low-temperature air exchanges heat with the hot main engine 102, and the main engine temperature is rapidly reduced.

Example two

As shown in fig. 1, the utility model provides an inverter type direct current manual electric welding machine compares in embodiment one, and the symmetry sets up two handles 3 on the quick-witted case 1, rotates on the quick-witted case 1 and sets up pull rod 4, all sets up anti-skidding handle cover on handle 3 and the pull rod 4. The bottom of the case 1 is provided with a universal wheel 5, and the universal wheel 5 is provided with a self-locking assembly.

In this embodiment, the handle 3 is convenient for lifting the case 1, and the pull rod 4 is matched with the universal wheel 5 to facilitate the movement of the electric welding machine dragged by the worker.

EXAMPLE III

As shown in fig. 2 and 3, the utility model provides an inverter type direct current manual electric welding machine compares in embodiment one, and the refrigeration subassembly is including leading cold drawing 11, refrigeration piece 12 and heat radiation fins. The cold guide plate 11 is arranged on the bottom plate of the cooling box 8, the cold end of the refrigeration sheet 12 penetrates through the bottom plate of the cooling box 8 and is attached to the cold guide plate 11, and the hot end of the refrigeration sheet 12 is connected with the heat collection end of the heat dissipation fin 13.

In this embodiment, refrigeration piece 12 has higher refrigeration efficiency than traditional condenser pipe and compressor refrigeration, and refrigeration piece 12 itself hot junction produces the high fever in the refrigerated time, and the high fever gives off through heat radiation fins 13, ensures the continuous work of refrigeration piece 12.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art.

Claims

1. An inverter type direct current manual electric welding machine is characterized by comprising a machine case (1), a coiled pipe (7), a cooling box (8), a liquid pump (9), a vertical plate (14) and a winding disc (18);

a mounting plate (101) is arranged in the case (1), and a host (102) is arranged on the mounting plate (101); radiating holes are formed in a side plate of the case (1), a radiator (2) is arranged in the radiating holes, and an input end of the radiator (2) is located inside the case (1); an air inlet (6) is arranged on a back plate of the case (1), and the air inlet (6) and the heat dissipation holes are respectively positioned on two sides of the host (102);

the coiled pipe (7) is arranged in the case (1), and the coiled pipe (7) is positioned between the main machine (102) and the air inlet (6); the cooling box (8) is arranged in the case (1), a refrigeration component is arranged in the cooling box (8), and one end of the coiled pipe (7) is inserted into the cooling box (8); the liquid pump (9) is arranged in the case (1), the output end of the liquid pump (9) is provided with a connecting pipe (10), the other end of the connecting pipe (10) is inserted into the cooling tank (8) and is positioned below the liquid level, and the output end of the liquid pump (9) is connected with the other end of the coiled pipe (7);

the vertical plates (14) are symmetrically arranged in the case (1), and hollow shafts (15) penetrate through the vertical plates (14); a ratchet wheel (16) is arranged in the vertical plate (14), and the ratchet wheel (16) is connected with the hollow shaft (15) in a unidirectional rotation way; a vertical plate (14) is provided with a driving motor (17) which is connected with a ratchet wheel (16) in a driving way; the winding disc (18) is arranged on the hollow shaft (15), the winding disc (18) is wound with a cable (19), and one end of the cable (19) is inserted into the hollow shaft (15) and is connected with the output end of the host (102) in a switching way; the case (1) is provided with a threading hole, and the other end of the cable (19) penetrates through the threading hole and is connected with the threading hole in a sliding way.

2. The inverter type direct-current manual electric welding machine according to claim 1, wherein the case (1) is symmetrically provided with two handles (3), the case (1) is rotatably provided with a pull rod (4), and the handles (3) and the pull rod (4) are respectively provided with an anti-skid handle sleeve; the bottom of the case (1) is provided with a universal wheel (5), and the universal wheel (5) is provided with a self-locking assembly.

3. The inverter type direct current manual electric welding machine according to claim 1, wherein an electrostatic dust removal net is arranged in the air inlet (6) of the case (1), and a dust prevention net is arranged in the heat dissipation hole of the case (1).

4. The inverter type direct current manual electric welding machine according to claim 1, wherein the refrigeration assembly comprises a cold conduction plate (11), a refrigeration plate (12) and heat dissipation fins; the cold guide plate (11) is arranged on the bottom plate of the cooling box (8), the cold end of the refrigeration sheet (12) penetrates through the bottom plate of the cooling box (8) and is attached to the cold guide plate (11), and the hot end of the refrigeration sheet (12) is connected with the heat collection end of the heat dissipation fin (13).

5. The inverter type direct-current manual electric welding machine according to claim 1, wherein a temperature sensor and a controller are arranged in the machine case (1), the temperature sensor is in communication connection with the controller, and the controller is in control connection with the refrigerating assembly, the radiator (2) and the liquid pump (9).

6. The inverter type direct-current manual electric welding machine according to claim 1, wherein a stirring assembly is arranged in the cooling tank (8), the stirring assembly comprises a motor and a stirring paddle, the motor is in driving connection with the stirring paddle, and the stirring paddle is located below the liquid level.

7. The inverter type direct current manual electric welding machine according to claim 1, wherein a control switch and an adjusting knob are arranged on the machine case (1), and a liquid crystal display screen is arranged on the machine case (1).