CN108213648B - Magnetic control type energy-saving welding gun structure - Google Patents
Magnetic control type energy-saving welding gun structure Download PDFInfo
- Publication number
- CN108213648B CN108213648B CN201810041619.5A CN201810041619A CN108213648B CN 108213648 B CN108213648 B CN 108213648B CN 201810041619 A CN201810041619 A CN 201810041619A CN 108213648 B CN108213648 B CN 108213648B
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- Prior art keywords
- valve
- seat
- permanent magnet
- valve core
- cavity
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- 238000003466 welding Methods 0.000 title claims abstract description 36
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 23
- 230000005294 ferromagnetic effect Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 14
- 238000005507 spraying Methods 0.000 abstract description 10
- 239000002699 waste material Substances 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 24
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 13
- 239000001301 oxygen Substances 0.000 description 13
- 229910052760 oxygen Inorganic materials 0.000 description 13
- 239000002737 fuel gas Substances 0.000 description 12
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000013459 approach Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K5/00—Gas flame welding
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
- F16K11/044—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves with movable valve members positioned between valve seats
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0603—Multiple-way valves
- F16K31/0624—Lift valves
- F16K31/0627—Lift valves with movable valve member positioned between seats
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/08—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid using a permanent magnet
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention relates to the technical field of welding guns and discloses a magnetic control type energy-saving welding gun structure, which comprises a connecting seat and an air spraying pipe, wherein two parallel connecting pipes are arranged on the connecting seat, the air inlet end of each connecting pipe is provided with a valve seat, two independent valve cavities are arranged in the valve seat, the front end of each valve seat is provided with two air outlet flow channels which are communicated with the valve cavities in a one-to-one correspondence manner, the two connecting pipes are connected with the outer ends of the air outlet flow channels in a one-to-one correspondence manner, a valve core made of a ferromagnetic body is arranged in each valve cavity, the rear end of each valve core is provided with a pressure spring, two parallel air inlet pipes which can be communicated with the valve cavity are also arranged on the valve seat, a sliding seat is arranged between the two air inlet pipes, a permanent magnet corresponding to the valve core in a one-to-one manner is arranged on the sliding seat, a pull rod is arranged on the pull rod, a permanent magnet forward driving mechanism is arranged between the two air inlet pipes, and the outer side of the valve seat is provided with a shell. The gas on-off control response is quick, so that the gas waste can be reduced, and the gas energy can be saved.
Description
Technical Field
The invention relates to the technical field of welding guns, in particular to a magnetic control type energy-saving welding gun structure.
Background
The welding gun is a tool for gas welding, is shaped like a gun, and has a nozzle at the front end for spraying high-temperature flame as a heat source. Because the welding operation is usually intermittent, the working state of the welding gun is also intermittent, and the traditional welding gun is provided with a regulating valve to control gas, and the process is as follows: firstly, when the work starts, the regulating valves of oxygen and fuel gas are respectively opened, igniting the welding gun to generate flame; secondly, adjusting flame required by work by utilizing oxygen and a gas adjusting valve; and when the work is finished, the combustible gas and the oxygen regulating valve are respectively closed, and the flame is extinguished. In the intermittent working state of the welding gun, the adjusting valve is regulated with lag, so that gas is wasted, working time is wasted, and the gas escapes and pollutes the environment. In order to save gas waste, the traditional mechanical valve is used for controlling oxygen and fuel gas, and after long-term work, the connecting rod part leaks gas, so that gas is wasted and potential safety hazards exist.
Disclosure of Invention
The invention provides a magnetic control type energy-saving welding gun structure, which aims to solve the problems that the adjustment lag of an adjusting valve of a welding gun in the prior art is easy to cause gas leakage, waste gas and pollution to the environment. The valve core for controlling the on-off of the gas is not connected with the permanent magnet driven by the valve core in a mechanical structure, so that the leakage of the gas is structurally eliminated, and the valve core is safer and more reliable.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a magnetic control type energy-saving welding gun structure, includes connecting seat, jet-propelled pipe, the one end and the connecting seat of jet-propelled pipe are connected, and the other end of jet-propelled pipe is equipped with the welding tip head, be equipped with two parallel connecting pipes on the connecting seat, the inlet end of connecting pipe is equipped with the disk seat, the disk seat in be equipped with two independent valve pocket, the front end of disk seat is equipped with two and the runner of giving vent to anger of valve pocket one-to-one intercommunication, two connecting pipes are connected with the outer end of runner of giving vent to anger one-to one, be equipped with the case of being made by ferromagnetic in the valve pocket, the rear end of case is equipped with the pressure spring, still be equipped with two parallel intake pipes that can communicate with the valve pocket on the disk seat, be equipped with the sliding seat between two intake pipes, be equipped with the permanent magnet with the one-to-one correspondence with the case on the sliding seat, be equipped with the pull rod on the pull rod, be equipped with permanent magnet forward drive mechanism between two intake pipes, the disk seat outside is equipped with the shell; when the permanent magnet forward driving mechanism drives the sliding seat to move forwards, the permanent magnet is close to the valve core, the valve core moves backwards to open the air outlet flow channel, and when the permanent magnet forward driving mechanism is released, the sliding seat moves backwards through the permanent magnet resetting mechanism, the permanent magnet is far away from the valve core, and the valve core moves forwards to seal the air outlet flow channel under the action of the pressure spring.
The permanent magnet forward movement driving mechanism and the permanent magnet resetting mechanism are used for realizing the forward movement and resetting of the permanent magnet, the permanent magnet approaches the valve core when forward moving, the valve core is attracted to move backwards through magnetic force, the air outlet flow passage is opened, and oxygen and fuel gas enter the air ejector tube through the air outlet flow passage and the connecting pipe; when the valve is required to be closed, the permanent magnet moves backwards, the magnetic force is reduced, the pressure of the pressure spring is larger than the attractive force of the permanent magnet, the pressure spring pushes the valve core to move forwards to quickly close the air outlet flow channel, so that the discharge of oxygen and fuel gas is cut off, the on-off of the air outlet flow channel is controlled through the permanent magnet and the valve core, the valve core responds very quickly, and the waste of the fuel gas and the oxygen is reduced; and the position of the air outlet flow channel is very close to the position of the welding nozzle head, and the valve core can rapidly close the air flow and can also effectively prevent backfire.
Preferably, the permanent magnet forward driving mechanism comprises a push rod and a limiting rod, the lower end of the push rod is rotationally connected with the shell through a rotating shaft, the front end of the pull rod is connected with the push rod, a pin shaft is arranged on the side face of the upper end of the push rod, the limiting rod is rotationally connected with the pin shaft, a torsion spring is arranged on the pin shaft, a long groove through hole is formed in the upper side of the front end of the shell, the upper end of the push rod extends out of the long groove through hole, and a limiting groove is formed in one side of the front end of the long groove through hole. When oxygen and fuel gas need to be opened, the push rod is pushed forward, the push rod rotates around the rotating shaft, the upper end of the push rod moves in the through hole of the long groove, the limiting rod leans against one side edge of the through hole of the long groove to slide, when the limiting rod slides into the limiting groove, the limiting rod enters the limiting groove to limit under the action of the torsion spring, at the moment, the permanent magnet is close to the valve core, the valve core moves backwards after receiving the attractive force of the permanent magnet, and the air outlet flow passage is opened; when the gas needs to be closed, the limiting rod is pulled out of the limiting groove, the permanent magnet moves the valve core backwards under the action of the permanent magnet resetting mechanism, the magnetic force born by the valve core is reduced, and the valve core moves forwards under the action of the pressure spring to seal the air outlet flow passage; the operation is very simple and labor-saving, and the operation can be performed by one hand.
Preferably, a limiting notch is formed in the side face of the push rod, one end of the limiting rod is located in the limiting notch, and the other end of the limiting rod extends out of the limiting notch. The limiting notch is used for limiting the limiting rod.
Preferably, the two pull rods are respectively fixedly connected with two sides of the front end of the sliding seat at the rear ends of the two pull rods, long slot holes are formed in two sides of the middle part of the push rod, the front ends of the pull rods penetrate through the long slot holes, and limit nuts are arranged at the front ends of the pull rods.
Preferably, the pull rod is U-shaped, two ends of the pull rod are fixedly connected with two sides of the front end of the sliding seat respectively, and the push rod penetrates through the front end of the pull rod.
Preferably, the permanent magnet reset mechanism comprises a fixed seat, a guide rod and a reset pressure spring, wherein the fixed seat is fixedly connected with two air inlet pipes, a sliding hole is formed in the center of the fixed seat, the guide rod penetrates through the sliding hole to form sliding connection, the front end of the guide rod is fixedly connected with the sliding seat, a limit sleeve is arranged at the rear end of the guide rod, and the reset pressure spring is sleeved at a position between the limit sleeve and the fixed seat on the guide rod. After the limiting rod is pulled out of the limiting groove, the sliding seat (the permanent magnet) moves backwards and is far away from the valve core under the action of the reset pressure spring and the guide rod.
Preferably, the permanent magnet reset mechanism comprises a fixed seat and a reset tension spring, wherein the fixed seat is fixedly connected with the two air inlet pipes, one end of the reset tension spring is fixedly connected with the front end of the fixed seat, and the other end of the reset tension spring is fixedly connected with the rear end of the sliding seat.
Preferably, the front end of the valve core is provided with a front cavity, a sealing plug is embedded in the front cavity, the rear end of the valve core is provided with a rear cavity, the pressure spring is positioned in the rear cavity, the side surface of the valve core is provided with a diversion trench, and the bottom of the diversion trench is connected with the rear cavity through a diversion hole; the front ends of the two air inlet pipes are communicated with the rear ends of the two valve cavities in a one-to-one correspondence manner, and the rear ends of the rear cavities are communicated with the valve cavities. When the valve core moves backwards under the action of the permanent magnet, gas in the gas inlet pipe enters the gas outlet channel through the rear cavity, the flow guide hole and the flow guide groove; the sealing plug improves the sealing performance.
Preferably, the two sides of the valve seat are provided with air inlet channels communicated with the front end of the valve cavity, the two air inlet pipes are connected with the air inlet ends of the air inlet channels in a one-to-one correspondence manner; the front end of the valve core is provided with a front cavity, a sealing plug is embedded in the front cavity, the rear end of the valve core is provided with a rear cavity, the pressure spring is positioned in the rear cavity, and the outer end of the pressure spring is abutted to the rear end face of the valve cavity.
Preferably, the inner end of the air outlet runner extends into the valve cavity to form a conical convex ring. The conical convex ring is convenient for sealing the sealing plug, and improves the sealing stability.
Therefore, the invention has the following beneficial effects: (1) The on-off control of oxygen and fuel gas is very convenient, the response is quick, the waste of oxygen and fuel gas is greatly reduced, and the fuel gas energy is saved; (2) The position of the air outlet flow channel is very close to the position of the welding nozzle head, and the valve core can effectively prevent backfire by rapidly responding to the closing air flow; (3) The permanent magnet forward driving mechanism is ingenious in arrangement, can be operated by one hand, and is very flexible; (4) The sealing plug on the valve core is matched and sealed with the conical convex ring at the inner end of the air outlet flow channel, so that the sealing stability is good, and air leakage is not easy.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic partial structure of embodiment 1.
Fig. 3 is a partial cross-sectional view of example 1.
Fig. 4 is a schematic partial structure of embodiment 2.
Fig. 5 is a partial cross-sectional view of example 2.
Fig. 6 is a schematic structural view of the valve element in embodiment 2.
Fig. 7 is a schematic partial structure of embodiment 3.
Fig. 8 is a partial cross-sectional view of example 3.
In the figure: the device comprises a connecting seat 1, an air injection pipe 2, a welding nozzle head 3, a connecting pipe 4, a valve seat 5, a valve cavity 50, an air outlet flow passage 51, a conical convex ring 52, an air inlet flow passage 53, a valve core 6, a front cavity 60, a sealing plug 61, a rear cavity 62, a flow guide groove 63, a flow guide hole 64, a pressure spring 7, an air inlet pipe 8, a sliding seat 9, a permanent magnet 10, a pull rod 11, a permanent magnet forward driving mechanism 12, a push rod 120, a limiting rod 121, a rotating shaft 122, a limiting notch 123, a pin shaft 124, a long groove hole 125, a limiting nut 126, a shell 13, a long groove through hole 130, a limiting groove 131, a fixed seat 14, a guide rod 15, a reset pressure spring 16, a limiting sleeve 17 and a reset tension spring 18.
Detailed Description
The invention is further described with reference to the drawings and detailed description which follow:
implementation of the embodiments example 1: the magnetic control type energy-saving welding gun structure as shown in fig. 1, 2 and 3 comprises a connecting seat 1 and a gas spraying pipe 2, wherein one end of the gas spraying pipe is connected with the connecting seat, the other end of the gas spraying pipe is provided with a welding nozzle head 3, two parallel connecting pipes 4 are arranged on the connecting seat, and the two connecting pipes are communicated with the gas spraying pipe through a runner in the connecting seat; the air inlet end of the connecting pipe 4 is provided with a valve seat 5, two independent valve cavities 50 are arranged in the valve seat, two air outlet flow passages 51 which are communicated with the valve cavities in a one-to-one correspondence manner are arranged at the front end of the valve seat, the inner ends of the air outlet flow passages extend into the valve cavities to form conical convex rings 52, the two connecting pipes are connected with the outer ends of the air outlet flow passages in a one-to-one correspondence manner, a valve core 6 made of a ferromagnetic body is arranged in the valve cavity, a pressure spring 7 is arranged at the rear end of the valve core, and air inlet flow passages 53 which are communicated with the front ends of the valve cavities are arranged at the upper side and the lower side of the valve seat; the front end of the valve core 6 is provided with a front cavity 60, a sealing plug 61 is embedded in the front cavity, the rear end of the valve core is provided with a rear cavity 62, the pressure spring 7 is positioned in the rear cavity, and the outer end of the pressure spring is abutted with the rear end face of the valve cavity; two parallel air inlet pipes 8 are arranged on the valve seat 5 and are connected with the air inlet ends of the air inlet channels in a one-to-one correspondence manner.
The two air inlet pipes are respectively connected with air inlet channels on the upper side and the lower side of the valve seat, a sliding seat 9 is arranged between the two air inlet pipes, permanent magnets 10 corresponding to the valve cores one by one are arranged on the sliding seat, a pull rod 11 is arranged on the sliding seat, the pull rod is U-shaped, two ends of the pull rod are respectively fixedly connected with two sides of the front end of the sliding seat, a permanent magnet forward driving mechanism 12 is arranged on the pull rod, and a shell 13 is arranged on the outer side of the valve seat.
The permanent magnet forward driving mechanism 12 comprises a push rod 120 and a limiting rod 121, wherein the lower end of the push rod is rotationally connected with the shell through a rotating shaft 122, the push rod penetrates through the front end of the pull rod, a limiting notch 123 is formed in the side face of the push rod, one end of the limiting rod is located in the limiting notch and rotationally connected with the push rod through a pin shaft 124, the other end of the limiting rod extends out of the limiting notch, a torsion spring is arranged on the pin shaft, a long groove through hole 130 is formed in the upper side of the front end of the shell 13, the upper end of the push rod extends out of the long groove through hole, and a limiting groove 131 is formed in one side of the front end of the long groove through hole.
The permanent magnet resetting mechanism is arranged between the two air inlet pipes and comprises a fixed seat 14, a guide rod 15 and a resetting pressure spring 16, the fixed seat is fixedly connected with the two air inlet pipes, a sliding hole is formed in the center of the fixed seat, the guide rod penetrates through the sliding hole to form sliding connection, the front end of the guide rod is fixedly connected with the sliding seat, a limit sleeve 17 is arranged at the rear end of the guide rod, and the resetting pressure spring 16 is sleeved at a position between the limit sleeve and the fixed seat on the guide rod.
Example 2: the magnetic control type energy-saving welding gun structure as shown in fig. 1, 4 and 5 comprises a connecting seat 1 and a gas spraying pipe 2, wherein one end of the gas spraying pipe is connected with the connecting seat, the other end of the gas spraying pipe is provided with a welding nozzle head 3, two parallel connecting pipes 4 are arranged on the connecting seat, and the two connecting pipes are communicated with the gas spraying pipe through a runner in the connecting seat; the air inlet end of the connecting pipe 4 is provided with a valve seat 5, two independent valve cavities 50 are arranged in the valve seat, two air outlet flow passages 51 which are communicated with the valve cavities in a one-to-one correspondence manner are arranged at the front end of the valve seat, the inner ends of the air outlet flow passages extend into the valve cavities to form conical convex rings 52, the two connecting pipes are connected with the outer ends of the air outlet flow passages in a one-to-one correspondence manner, and valve cores 6 made of ferromagnets are arranged in the valve cavities; as shown in fig. 6, the front end of the valve core 6 is provided with a front cavity 60, a sealing plug 61 is embedded in the front cavity, the rear end of the valve core is provided with a rear cavity 62, a pressure spring 7 is positioned in the rear cavity, a guide groove 63 is arranged on the side surface of the valve core, the bottom of the guide groove is connected with the rear cavity through a guide hole 64, two parallel air inlet pipes 8 are further arranged on the valve seat 5, the front ends of the two air inlet pipes are communicated with the rear ends of the two valve cavities in a one-to-one correspondence manner, and the rear end of the rear cavity is communicated with the valve cavity.
A sliding seat 9 is arranged between the two air inlet pipes, permanent magnets 10 corresponding to the valve cores one by one are arranged on the sliding seat, two pull rods 11 are arranged on the sliding seat, the rear ends of the two pull rods are fixedly connected with the two sides of the front end of the sliding seat respectively, a permanent magnet forward driving mechanism 12 is arranged at the front end of the pull rod, and a shell 13 is arranged outside the valve seat.
The permanent magnet forward driving mechanism 12 comprises a push rod 120 and a limiting rod 121, the lower end of the push rod is rotationally connected with the shell through a rotating shaft 122, long slot holes 125 are formed in two sides of the middle part of the push rod, the front end of the pull rod penetrates through the long slot holes, and a limiting nut 126 is arranged at the front end of the pull rod; the upper end side of push rod is equipped with spacing breach 123, and the one end of gag lever post is located spacing breach and rotates with the push rod through round pin axle 124 to be connected, and the other end of gag lever post stretches out outside the spacing breach, is equipped with the torsional spring on the round pin axle, and the front end upside of shell 13 is equipped with elongated slot through-hole 130, and the upper end of push rod stretches out outside the elongated slot through-hole, and front end one side of elongated slot through-hole is equipped with spacing groove 131.
A permanent magnet reset mechanism is arranged between the two air inlet pipes and comprises a fixed seat 14 and a reset tension spring 18, the fixed seat is fixedly connected with the two air inlet pipes, one end of the reset tension spring is fixedly connected with the front end of the fixed seat, and the other end of the reset tension spring is fixedly connected with the rear end of the sliding seat.
Example 3: as shown in figures 1, 7 and 8, example 3 differs from example 1 in that: the intake runners are located on the left and right sides in the valve seat, and the two intake pipes are connected to the intake runners on the left and right sides of the valve seat, respectively, and the rest of the structure is identical to that in embodiment 1.
The permanent magnet forward movement driving mechanism and the permanent magnet resetting mechanism are used for realizing the forward movement and resetting of the permanent magnet, the permanent magnet approaches the valve core when forward moving, the valve core is attracted to move backwards through magnetic force, the air outlet flow passage is opened, and oxygen and fuel gas enter the air ejector tube through the air outlet flow passage and the connecting pipe; when the valve is required to be closed, the permanent magnet moves backwards and is far away from the valve core, the magnetic force is reduced, the pressure of the pressure spring is larger than the attractive force of the permanent magnet, the pressure spring pushes the valve core to move forwards to quickly close the air outlet flow channel, so that the discharge of oxygen and fuel gas is cut off, the on-off of the air outlet flow channel is controlled through the permanent magnet and the valve core, the valve core responds very quickly, and the waste of the fuel gas and the oxygen is reduced; and the position of the air outlet flow channel is very close to the position of the welding nozzle head, and the valve core can rapidly close the air flow and can also effectively prevent backfire.
Claims (10)
1. The utility model provides a magnetic control type energy-saving welding gun structure, includes connecting seat, jet-propelled pipe, the one end and the connecting seat of jet-propelled pipe are connected, and the other end of jet-propelled pipe is equipped with the welding tip head, be equipped with two parallel connecting pipes on the connecting seat, its characterized in that, the inlet end of connecting pipe is equipped with the disk seat, be equipped with two independent valve pocket in the disk seat, the front end of disk seat is equipped with two flow paths of giving vent to anger with the valve pocket one-to-one intercommunication, two connecting pipes are connected with the outer end of flow path one-to-one that gives vent to anger, be equipped with the case of being made by ferromagnetic in the valve pocket, the rear end of case is equipped with the pressure spring, still be equipped with two parallel intake pipes that can communicate with the valve pocket on the disk seat, be equipped with the sliding seat between two intake pipes, be equipped with the permanent magnet with the case one-to-one correspondence on the sliding seat, be equipped with the pull rod on the sliding seat, be equipped with permanent magnet forward actuating mechanism on the pull rod, be equipped with permanent magnet canceling release mechanical system between two intake pipes, the outside of disk seat is equipped with the shell; when the permanent magnet forward driving mechanism drives the sliding seat to move forwards, the permanent magnet is close to the valve core, the valve core moves backwards to open the air outlet flow channel, and when the permanent magnet forward driving mechanism is released, the sliding seat moves backwards through the permanent magnet resetting mechanism, the permanent magnet is far away from the valve core, and the valve core moves forwards to seal the air outlet flow channel under the action of the pressure spring.
2. The magnetic control type energy-saving welding gun structure according to claim 1, wherein the permanent magnet forward driving mechanism comprises a push rod and a limiting rod, the lower end of the push rod is rotationally connected with the shell through a rotating shaft, the front end of the pull rod is connected with the push rod, a pin shaft is arranged on the side face of the upper end of the push rod, the limiting rod is rotationally connected with the pin shaft, a torsion spring is arranged on the pin shaft, a long groove through hole is formed in the upper side of the front end of the shell, the upper end of the push rod extends out of the long groove through hole, and a limiting groove is formed in one side of the front end of the long groove through hole.
3. The magnetic control type energy-saving welding gun structure according to claim 2, wherein a limit notch is formed in the side face of the push rod, one end of the limit rod is located in the limit notch, and the other end of the limit rod extends out of the limit notch.
4. The magnetic control type energy-saving welding gun structure according to claim 2, wherein two pull rods are arranged, the rear ends of the two pull rods are fixedly connected with two sides of the front end of the sliding seat respectively, long slot holes are formed in two sides of the middle part of the push rod, the front ends of the pull rods penetrate through the long slot holes, and limit nuts are arranged at the front ends of the pull rods.
5. The magnetic control type energy-saving welding gun structure according to claim 2, wherein the pull rod is U-shaped, two ends of the pull rod are fixedly connected with two sides of the front end of the sliding seat respectively, and the push rod penetrates through the front end of the pull rod.
6. The magnetic control type energy-saving welding gun structure according to claim 1, 2 or 3, wherein the permanent magnet resetting mechanism comprises a fixed seat, a guide rod and a resetting pressure spring, the fixed seat is fixedly connected with two air inlet pipes, a sliding hole is formed in the center of the fixed seat, the guide rod penetrates through the sliding hole to form sliding connection, the front end of the guide rod is fixedly connected with the sliding seat, a limit sleeve is arranged at the rear end of the guide rod, and the resetting pressure spring is sleeved at a position between the limit sleeve and the fixed seat on the guide rod.
7. The magnetic control type energy-saving welding gun structure according to claim 1, 2 or 3, wherein the permanent magnet resetting mechanism comprises a fixed seat and a resetting tension spring, the fixed seat is fixedly connected with the two air inlet pipes, one end of the resetting tension spring is fixedly connected with the front end of the fixed seat, and the other end of the resetting tension spring is fixedly connected with the rear end of the sliding seat.
8. The magnetic control type energy-saving welding gun structure according to claim 1, wherein a front cavity is formed in the front end of the valve core, a sealing plug is embedded in the front cavity, a rear cavity is formed in the rear end of the valve core, the pressure spring is located in the rear cavity, a diversion trench is formed in the side face of the valve core, and the bottom of the diversion trench is connected with the rear cavity through a diversion hole; the front ends of the two air inlet pipes are communicated with the rear ends of the two valve cavities in a one-to-one correspondence manner, and the rear ends of the rear cavities are communicated with the valve cavities.
9. The magnetic control type energy-saving welding gun structure according to claim 1, wherein two sides of the valve seat are provided with air inlet channels communicated with the front end of the valve cavity, and two air inlet pipes are connected with air inlet ends of the air inlet channels in a one-to-one correspondence manner; the front end of the valve core is provided with a front cavity, a sealing plug is embedded in the front cavity, the rear end of the valve core is provided with a rear cavity, the pressure spring is positioned in the rear cavity, and the outer end of the pressure spring is abutted to the rear end face of the valve cavity.
10. A magnetic control type energy saving welding gun structure according to claim 1 or 9, wherein the inner end of the air outlet runner extends into the valve cavity to form a conical convex ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810041619.5A CN108213648B (en) | 2018-01-16 | 2018-01-16 | Magnetic control type energy-saving welding gun structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810041619.5A CN108213648B (en) | 2018-01-16 | 2018-01-16 | Magnetic control type energy-saving welding gun structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108213648A CN108213648A (en) | 2018-06-29 |
| CN108213648B true CN108213648B (en) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810041619.5A Active CN108213648B (en) | 2018-01-16 | 2018-01-16 | Magnetic control type energy-saving welding gun structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108213648A (en) | 2018-06-29 |
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