阅读说明：本技术 一种对焊接机自动放电且能降低爆炸损伤的保护装置 (Protection device capable of automatically discharging electricity to welding machine and reducing explosion damage ) 是由 魏盼盼 于 2021-07-28 设计创作，主要内容包括：本发明涉及焊接机技术领域,且公开了一种对焊接机自动放电且能降低爆炸损伤的保护装置,包括壳体,所述壳体内部的中端固定安装有电容器,所述电容器的左右两侧固定安装有导电板,所述壳体内部的底部转动连接有连接块,所述连接块的前后两端转动连接有连杆。该对焊接机自动放电且能降低爆炸损伤的保护装置,在启动设备时,和启动端并联的电路对会优先被启动,进而带动导电杆对电容器进行放电,且在运行的过程中该电路阻值逐渐增加,直至机器正常被启动,进而防止启动设备时忘记对电容器放电导致安全隐患的发生,在设备感应加热时出现炸裂现象时,防爆布展开对设备内部进行包裹,防止炸裂导致操作人员的安全发生意外。(The invention relates to the technical field of welding machines, and discloses a protection device capable of automatically discharging electricity to a welding machine and reducing explosion damage. This protection device to welding machine automatic discharge and can reduce explosion damage, when starting equipment, circuit parallelly connected with the start end is to can be preferentially started, and then drive the conducting rod and discharge to the condenser, and increase gradually at the in-process this circuit resistance of operation, normally started until the machine, and then forget the emergence that leads to the potential safety hazard of discharging to the condenser when preventing starting equipment, appear when exploding the phenomenon when equipment induction heating, explosion-proof cloth expandes to wrap up inside the equipment, prevent to explode and lead to operating personnel's incident of taking place safely.)

1. The utility model provides a to welding machine automatic discharge and can reduce explosion damage's protection device, includes casing (1), its characterized in that: the capacitor comprises a shell (1), a capacitor (2) is fixedly mounted at the inner middle end of the shell (1), a conductive plate (3) is fixedly mounted at the left side and the right side of the capacitor (2), a connecting block (4) is connected to the bottom of the shell (1) in a rotating manner, a connecting rod (5) is connected to the front end and the rear end of the connecting block (4) in a rotating manner, an axle sleeve (6) is fixedly mounted at the periphery of the connecting rod (5), a spring rod (7) is fixedly mounted at the close end of the axle sleeve (6), a winding group (8) is connected to the middle end of the spring rod (7) in a rotating manner, a sliding sleeve (9) is connected to the periphery of the connecting rod (5) at the bottom end of the connecting block (4) in a sliding manner, a telescopic rod (10) is connected to the left side and the right side of the sliding sleeve (9) in a rotating manner, an arc-shaped groove (11) is fixedly mounted at the left side and the right side of the inner bottom end of the shell (1), and a magnetic block (12) is connected to the sliding manner, magnetic path (12) are close to one side fixed mounting of arc wall (11) bottom has connection piece (13), the inside bottom fixed mounting of arc wall (11) has electromagnet (14), the inside middle-end fixed mounting of arc wall (11) has resistance strip (15), the inner wall fixed mounting of casing (1) has fixed pin (16), the internal rotation of fixed pin (16) is connected with explosion-proof cloth (17), the top fixed mounting of explosion-proof cloth (17) has iron bar (18), the left and right sides of iron bar (18) is rotated and is connected with connecting rod (19), the top of connecting rod (19) is rotated and is connected with slider (20), the inside top fixed mounting of casing (1) has the coil to prick (21), the inside top of casing (1) is rotated and is connected with serving sleeve (22).

2. The protection device capable of automatically discharging electricity to a welding machine and reducing explosion damage according to claim 1, characterized in that: the top end inside the shell (1) is fixedly provided with a thermistor, the thermistor is a negative temperature coefficient resistor, and the thermistor is electrically connected with the driving end of the rope winding sleeve (22).

3. The protection device capable of automatically discharging electricity to a welding machine and reducing explosion damage according to claim 1, characterized in that: the number of the connecting rods (5) is three, two connecting rods are symmetrically arranged at the top end of the connecting block (4), and one connecting rod is fixedly arranged at the bottom end of the connecting block (4).

4. The protection device capable of automatically discharging electricity to a welding machine and reducing explosion damage according to claim 1, characterized in that: one side of the telescopic rod (10) far away from the sliding sleeve (9) is rotatably connected to the left side and the right side of the shell (1).

5. The protection device capable of automatically discharging electricity to a welding machine and reducing explosion damage according to claim 1, characterized in that: the winding groups (8) are elastically connected to the front ends of the shaft sleeves (6) on the left side and the right side through connecting wires.

6. The protection device capable of automatically discharging electricity to a welding machine and reducing explosion damage according to claim 1, characterized in that: the magnetic block (12) is rotatably connected to the middle of the front end of the telescopic rod (10).

7. The protection device capable of automatically discharging electricity to a welding machine and reducing explosion damage according to claim 1, characterized in that: the rope winding sleeve (22) is elastically connected to the top ends of the left and right sliding blocks (20) through connecting lines.

Technical Field

The invention relates to the technical field of welding machines, in particular to a protection device capable of automatically discharging electricity to a welding machine and reducing explosion damage.

Background

The high frequency welding machine can be used to the welding to different metals, but need discharge to inside condenser before using the welding machine, prevent that equipment band point operation from appearing the fixed emergence that leads to machine damage and potential safety hazard, when equipment carries out high induction heating to big work piece, can appear exploding and split the phenomenon of hindering the people, if do not have safety precaution, can lead to the staff accident to appear.

In order to solve the problems, the inventor provides a protection device capable of automatically discharging to a welding machine and reducing explosion damage, when equipment is started, a circuit pair connected with a starting end in parallel can be started preferentially, a conductive rod is further driven to discharge to a capacitor, the resistance value of the circuit is gradually increased in the running process until the machine is started normally, the potential safety hazard caused by forgetting to discharge to the capacitor when the equipment is started is further prevented, when the equipment is heated in an induction mode, explosion-proof cloth is unfolded to wrap the inside of the equipment, and the safety accident of operators caused by explosion is prevented.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a protection device capable of automatically discharging electricity to a welding machine and reducing explosion damage, which has the advantages of automatically discharging electricity and reducing explosion damage and solves the problems that equipment is damaged due to the fact that the equipment is not started when the equipment is not discharged and potential safety hazards occur to operators due to explosion damage when induction heating is performed.

(II) technical scheme

In order to achieve the purposes of automatic discharging and reducing burst damage, the invention provides the following technical scheme: a protection device capable of automatically discharging electricity to a welding machine and reducing explosion damage comprises a shell, wherein a capacitor is fixedly mounted at the middle end inside the shell, current conducting plates are fixedly mounted at the left side and the right side of the capacitor, a connecting block is rotatably connected to the bottom inside the shell, connecting rods are rotatably connected to the front end and the rear end of the connecting block, shaft sleeves are fixedly mounted at the periphery of the connecting rods, spring rods are fixedly mounted at the close ends of the shaft sleeves, a winding group is rotatably connected to the middle end of each spring rod, a sliding sleeve is slidably connected to the periphery of the connecting rod at the bottom end of the connecting block, telescopic rods are rotatably connected to the left side and the right side of the bottom inside the shell, arc-shaped grooves are fixedly mounted at the left side and the right side of the bottom end inside the shell, magnetic blocks are slidably connected to the inside of the arc-shaped grooves, a connecting plate is fixedly mounted at one side of the bottom end of each magnetic block, an electromagnet is fixedly mounted at the bottom end inside each arc-shaped groove, the utility model discloses a cable winding device, including arc wall, inner wall, fixed pin, slider, arc chute, connecting rod, wire rope sleeve, resistance strip, the inside middle-end fixed mounting of arc wall has the resistance strip, the inner wall fixed mounting of casing has the fixed pin, the inside rotation of fixed pin is connected with explosion-proof cloth, explosion-proof cloth's top fixed mounting has the iron bar, the left and right sides of iron bar rotates and is connected with the connecting rod, the top of connecting rod rotates and is connected with the slider, the inside top fixed mounting of casing has the coil to prick, the inside top of casing rotates and is connected with the serving cover.

Preferably, a thermistor is fixedly mounted at the top end inside the shell, the thermistor is a negative temperature coefficient resistor, and the thermistor is electrically connected with the driving end of the rope winding sleeve.

Preferably, the number of the connecting rods is three, two connecting rods are symmetrically arranged at the top end of the connecting block, and one connecting rod is fixedly arranged at the bottom end of the connecting block.

Preferably, one side of the telescopic rod, which is far away from the sliding sleeve, is rotatably connected to the left side and the right side of the shell.

Preferably, the winding set is elastically connected to the front ends of the left and right side shaft sleeves through a connecting line, and the winding set drives the shaft sleeves to move through the connecting line after being started.

Preferably, the magnetic block is rotatably connected to the middle of the front end of the telescopic rod, and the magnetic block drives the telescopic rod to rotate in the arc-shaped groove.

Preferably, the rope winding sleeve is elastically connected to the top ends of the left and right sliding blocks through a connecting line, and the rope winding sleeve is driven to drive the sliding blocks on the left and right sides to be away from each other through the connecting line.

(III) advantageous effects

Compared with the prior art, the invention provides a protection device which can automatically discharge to a welding machine and reduce explosion damage, and the protection device has the following beneficial effects:

1. the protection device for automatically discharging the welding machine and reducing the explosion damage pulls the shaft sleeves to be close to each other through the connecting wire after the winding group is electrified, the connecting rods at the front end and the rear end of the connecting block are driven to be close to each other when the shaft sleeves move, the connecting rods are close to the current conducting plate after moving, meanwhile, the electromagnet attracts the magnetic block after being electrified, the magnetic block drives the telescopic rod to approach to the direction when moving towards the electromagnet, the telescopic rod drives the sliding sleeve to move downwards when being driven by the magnetic block to rotate, the sliding sleeve contacts with the bottom end of the shell after moving, then the current in the capacitor is led out through the connecting rods at the upper end and the lower end of the connecting block, and the connecting sheet is driven to slide at the periphery of the resistance strip in the moving process of the magnetic block, and then make the resistance value of winding group and electromagnet circuit increase gradually, the circular telegram volume of the circuit of being connected in parallel with it increases gradually and starts, has avoided not having when starting equipment to the condenser discharge and lead to the phenomenon of damage appearing when equipment moves.

2. This protection device to automatic discharge of welding machine and can reduce explosion damage, resistance through thermistor reduces gradually, the serving cover with thermistor electric connection is driven, the serving cover keeps away from each other through the slider of connecting wire drive left and right sides, it removes to the direction of keeping away from the condenser to drive the iron rod through the connecting rod when the slider removes, the iron rod drives the direction removal that the condenser was kept away from to explosion-proof cloth, the iron rod removes the inside removal of pricking to the coil, along with the iron rod removes the length that pricks to the coil and increases gradually, the coil is pricked and is increased gradually to the appeal of iron rod, prevent that explosion-proof cloth from leading to its droing because of the explosion, and then effectually avoided the operating personnel to lead to self safety accident because of exploding.

Drawings

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

FIG. 2 is a schematic rear view of the structure of the present invention;

FIG. 3 is a schematic view of the structure of the connecting block and the connecting rod of the present invention;

FIG. 4 is a schematic view of the connection of the explosion-proof cloth structure of the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 4 according to the present invention.

In the figure: 1. a housing; 2. a capacitor; 3. a conductive plate; 4. connecting blocks; 5. a connecting rod; 6. a shaft sleeve; 7. a spring lever; 8. winding; 9. a sliding sleeve; 10. a telescopic rod; 11. an arc-shaped slot; 12. a magnetic block; 13. connecting sheets; 14. an electromagnet; 15. a resistor strip; 16. a fixing pin; 17. an explosion-proof cloth; 18. an iron rod; 19. a connecting rod; 20. a slider; 21. bundling the coil; 22. and (6) winding a rope sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a protection device for automatically discharging electricity to a welding machine and reducing explosion damage comprises a housing 1, a thermistor is fixedly mounted at the top end inside the housing 1, the thermistor is a negative temperature coefficient resistor and is electrically connected with the driving end of a rope winding sleeve 22, a capacitor 2 is fixedly mounted at the middle end inside the housing 1, current-conducting plates 3 are fixedly mounted at the left side and the right side of the capacitor 2, a connecting block 4 is rotatably connected to the bottom inside the housing 1, connecting rods 5 are rotatably connected to the front end and the rear end of the connecting block 4, the number of the connecting rods 5 is three, two connecting rods are symmetrically mounted at the top end of the connecting block 4, one connecting rod is fixedly mounted at the bottom end of the connecting block 4, a shaft sleeve 6 is fixedly mounted at the periphery of the connecting rod 5, a spring rod 7 is fixedly mounted at the close end of the shaft sleeve 6, a winding group 8 is rotatably connected to the middle end of the spring rod 7, the winding group 8 is elastically connected to the front ends of the shaft sleeves 6 at the left side and the right side through a connecting wire, after the winding set 8 is started, the shaft sleeve 6 is driven to move through a connecting wire, the periphery of a connecting rod 5 at the bottom end of the connecting block 4 is connected with a sliding sleeve 9 in a sliding mode, the left side and the right side of the sliding sleeve 9 are connected with a telescopic rod 10 in a rotating mode, one side, far away from the sliding sleeve 9, of the telescopic rod 10 is connected with the left side and the right side of the shell 1 in a rotating mode, arc-shaped grooves 11 are fixedly arranged at the left side and the right side of the bottom end inside the shell 1, magnetic blocks 12 are connected with the inner portion of the arc-shaped grooves 11 in a sliding mode, the magnetic blocks 12 are connected with the middle portion of the front end of the telescopic rod 10 in a rotating mode, the magnetic blocks 12 drive the telescopic rod 10 to rotate inside the arc-shaped grooves 11, a connecting sheet 13 is fixedly arranged at one side, close to the bottom end of the arc-shaped grooves 12, electromagnets 14 are fixedly arranged at the bottom end inside the arc-shaped grooves 11, resistor strips 15 are fixedly arranged at the middle end inside the arc-shaped grooves 11, fixing pins 16 are fixedly arranged at the inner wall of the shell 1, and explosion-proof cloth 17 is connected with the inner portion in a rotating mode, the top fixed mounting of explosion-proof cloth 17 has iron bar 18, the left and right sides of iron bar 18 rotates and is connected with connecting rod 19, the top of connecting rod 19 rotates and is connected with slider 20, the inside top fixed mounting of casing 1 has the coil to prick 21, the inside top of casing 1 rotates and is connected with serving rope sleeve 22, serving rope sleeve 22 passes through connecting wire elastic connection on the top of left and right sides slider 20, serving rope sleeve 22 is driven the back and is driven slider 20 that drives the left and right sides through the connecting wire and keep away from each other.

The working principle is that after the device is started, a circuit is electrified, a winding group 8 connected with a capacitor 2 in parallel is electrified, the winding group 8 is electrified to pull a shaft sleeve 6 to approach each other through a connecting wire, the shaft sleeve 6 drives connecting rods 5 at the front end and the rear end of a connecting block 4 to approach each other when moving, the connecting rods 5 approach a conductive plate 3 after moving, an electromagnet 14 is electrified to attract a magnetic block 12, the magnetic block 12 drives a telescopic rod 10 to approach each other when moving towards the electromagnet 14, the telescopic rod 10 drives a sliding sleeve 9 to move downwards when being driven by the magnetic block 12 to rotate, the sliding sleeve 9 contacts the bottom end of a shell 1 after moving, the current in the capacitor 2 is led out through the connecting rods 5 at the upper end and the lower end of the connecting block 4, a connecting sheet 13 is driven to slide at the periphery of a resistor strip 15 in the moving process of the magnetic block 12, so that the resistance values of the winding group 8 and the electromagnet 14 are gradually increased, the electrification amount of the circuit connected with the winding group is gradually increased and started, the phenomenon that the capacitor 2 is not discharged to cause damage to the equipment during operation when the equipment is started is avoided, when the high-temperature phenomenon occurs in the equipment due to high induction heating, the resistance value of the thermistor is gradually reduced, the rope winding sleeve 22 electrically connected with the thermistor is driven, the rope winding sleeve 22 drives the sliders 20 on the left side and the right side to be away from each other through a connecting wire, the sliders 20 drive the iron rod 18 to move towards the direction away from the capacitor 2 through the connecting rod 19 when moving, the iron rod 18 drives the explosion-proof cloth 17 to move towards the direction away from the capacitor 2, the iron rod 18 moves towards the inside of the coil bundle 21, the length of the coil bundle 21 is gradually increased along with the movement of the iron rod 18, the attraction of the coil bundle 21 to the iron rod 18 is gradually increased, the explosion-proof cloth 17 is prevented from falling off due to explosion, and further the accident caused by the safety of an operator due to explosion is effectively avoided.

In summary, in the protection device capable of automatically discharging electricity to a welding machine and reducing explosion damage, after the winding 8 is electrified, the shaft sleeves 6 are pulled to approach each other through the connecting wire, when the shaft sleeves 6 move, the connecting rods 5 at the front end and the rear end of the connecting block 4 are driven to approach each other, after the connecting rods 5 move, the conducting plate 3 approaches, and simultaneously the electromagnet 14 is electrified, the magnetic block 12 attracts the magnetic block 12, when the magnetic block 12 moves towards the electromagnet 14, the telescopic rod 10 is driven to approach, when the telescopic rod 10 is driven to rotate by the magnetic block 12, the sliding sleeve 9 moves, and then the sliding sleeve 9 contacts with the bottom end of the housing 1, so that the current inside the capacitor 2 is led out through the connecting rods 5 at the upper end and the lower end of the connecting block 4, and in the moving process of the magnetic block 12, the connecting sheet 13 is driven to slide on the periphery of the resistor strip 15, so that the resistance values of the circuits of the winding 8 and the electromagnet 14 are gradually increased, and the electrification amount of the circuits connected in parallel with the connecting sheet is gradually increased and started, the phenomenon that the capacitor 2 is not discharged when the equipment is started to cause damage during the operation of the equipment is avoided.

And, this protection device to automatic discharge of welding machine and can reduce explosion damage, resistance through thermistor reduces gradually, the serving cover 22 with thermistor electric connection is driven, the serving cover 22 drives the slider 20 of left and right sides through the connecting wire and keeps away from each other, slider 20 drives iron bar 18 through connecting rod 19 and removes to the direction of keeping away from condenser 2 when removing, iron bar 18 drives explosion-proof cloth 17 and keeps away from the direction removal of condenser 2, iron bar 18 removes to the inside removal that 21 was pricked to the coil, along with iron bar 18 removes to the length that 21 was pricked to the coil increases gradually, the appeal of coil prick 21 to iron bar 18 increases gradually, prevent explosion-proof cloth 17 and lead to its to drop because of the explosion, and then the effectual operating personnel of having avoided leading to self safety accident because of exploding.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.