CN209272731U - Automatically cooling friction stir welding machine - Google Patents

Automatically cooling friction stir welding machine Download PDF

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Publication number
CN209272731U
CN209272731U CN201821842187.XU CN201821842187U CN209272731U CN 209272731 U CN209272731 U CN 209272731U CN 201821842187 U CN201821842187 U CN 201821842187U CN 209272731 U CN209272731 U CN 209272731U
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China
Prior art keywords
water
cooling
coil
comparator
friction stir
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CN201821842187.XU
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Chinese (zh)
Inventor
孙笑旸
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Beijing Zhixin Haoyu Technology Co Ltd
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Beijing Zhixin Haoyu Technology Co Ltd
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Abstract

The utility model relates to a kind of friction stir welding machines cooled down automatically; it includes body and is set to body upper welding mechanism, and the welding mechanism includes protective shell, the driving motor in protective shell, the fixture being connected with driving motor and the swivel head for being threadedly connected to fixture;The accommodating chamber on the outside of fixture is offered inside the protective shell, the protective shell is equipped with cooling body;The cooling body includes the cooling ring being set in accommodating chamber, the cold water storage cistern, the air-cooler on cold water storage cistern, the water inlet pipe and outlet pipe being connected between cooling ring and cold water storage cistern that are fixedly arranged on protective shell; water pump is respectively connected on the water inlet pipe and outlet pipe, the inside of the cooling ring offers the water channel being connected to respectively with water inlet pipe and outlet pipe.The utility model has the effect of cooling down to prolong its service life swivel head.

Description

Automatically cooling friction stir welding machine
Technical field
The utility model relates to the technical fields of agitating friction weldering, weld more particularly, to a kind of agitating friction cooled down automatically Machine.
Background technique
The agitating friction weldering of welding is roughly the same with conventional friction weldering, is to realize welding by frictional heat generation, stirs It mixes friction welding (FW) and does not need welding wire at work, only the metal plate that weld need to be needed to dock by two pieces, and by the rotation of soldering appliance The position of head contact two metal plates docking, makes metal plate generate high temperature, two metal plates itself melt by the rotation of swivel head Change and is solidly connected with each other.And pollution-free during the welding process and flue dust, the influence to environment are small.
In existing technology, the Authorization Notice No. that can refer to is the Chinese patent of CN103480963B, and it discloses one kind Friction stir welding machine is provided with cooling device and hydraulic system, and the cooling device is a cooler pan, and the cooler pan is fixed The lower section of main tapping cabinet is set, which is circular cavity body, and is looped around the periphery of main tapping, in the cooling The upper disk surface of disk is equipped with multiple spray orifices, which is connected to the cavity inside cooler pan;Storage is provided in the hydraulic system It can device and balanced valve.One aspect of the present invention is uniform to the bar portion cooling effect of main tapping, and structure is simple, and mounting stability is high, energy Extend the service life of main tapping;On the other hand, accumulator and balanced valve, energy are respectively set on oil inlet pipe and oil outlet pipe Pressure in enough stable power-driven push rods, output power is lasting, can effectively improve welding machine working efficiency.
Prior art among the above has the following deficiencies: agitating friction weldering at work, since it is by driving rotation The high speed rotation of rotary head is realized, the metal plate for needing to process or alloy sheets are melted by the high speed rotation of swivel head, this Sample swivel head also needs to bear higher temperature, and swivel head can generate certain change because of high temperature during the welding process Shape, this makes the depletion rate of swivel head quickly, and swivel head also needs to replace often, time-consuming and laborious.
Utility model content
The automatic cooling to prolong its service life is cooled down the purpose of the utility model is to provide a kind of pair of swivel head Friction stir welding machine.
The above-mentioned purpose of utility model of the utility model has the technical scheme that
A kind of cooling friction stir welding machine automatically, including body and it is set to body upper welding mechanism, the bonding machine Structure includes protective shell, the driving motor in protective shell, the fixture being connected with driving motor and the rotation for being threadedly connected to fixture Rotary head;The accommodating chamber on the outside of fixture is offered inside the protective shell, the protective shell is equipped with cooling body;It is described cold But mechanism includes the cooling ring being set in accommodating chamber, the cold water storage cistern being fixedly arranged on protective shell, the air-cooler on cold water storage cistern, connects The water inlet pipe and outlet pipe being connected between cooling ring and cold water storage cistern are respectively connected with water pump on the water inlet pipe and outlet pipe, described The inside of cooling ring offers the water channel being connected to respectively with water inlet pipe and outlet pipe.
By using above-mentioned technical proposal, when welding to two metal plates, welding mechanism is driven to move by body It moves at the docking of two pieces of metal plates, then driving motor drives fixture to be rotated, and then fixture drives swivel head to be revolved Turn, fixture is affixed during rotation with cooling ring, and water is entered in cooling ring by water pump by water inlet pipe, and water is from cold But it flows out in ring and is entered in cold water storage cistern by outlet pipe again, air-cooler works and cools down to the water in cold water storage cistern, cooling In water pass through water inlet pipe again and enter in cooling ring, complete the circulation of water cooling, can cool down in this way to swivel head, make it It is worked at a lower temperature to extend the service life of swivel head, reduces cost.
The utility model is further arranged to: the water channel is twist distributed in cooling ring.
By using above-mentioned technical proposal, the water entered in cooling ring twist flows in water channel, such cold water More with the contact area of cooling ring, cooling is more abundant.
The utility model is further arranged to: exhausted cold set is installed on the lateral wall of the cooling ring.
By using above-mentioned technical proposal, it is cold in cooling ring to prevent that exhausted cold set is arranged by the outside in cooling ring It is dissipated outside water, to ensure that the cooling quality of cooling ring.
The utility model is further arranged to: the cold water storage cistern include cabinet, be set to the intracorporal chilled water coil of case and with it is cold The connected holding tank of water coil, the chilled water coil is in folding snakelike.
By using above-mentioned technical proposal, hot water takes out chilled water coil by air-cooler after entering in cold water storage cistern Wind, and then water is cooled down by the flowing of air, the serpentine-like distribution of chilled water coil increases heat dissipation area, ensure that heat dissipation Efficiency.
The utility model is further arranged to: being installed with cooling fin on the outer ring surface of the chilled water coil.
By using above-mentioned technical proposal, cooling fin is arranged by the outside in chilled water coil to further increase cold water tray The radiating rate of pipe.
The utility model is further arranged to: being connected with water injection pipe and drinking-water pipe on the holding tank, water injection pipe and is drawn water Valve is connected on pipe.
It can be pulled water out by drinking-water pipe, and lead to after water is using a period of time by using above-mentioned technical proposal It crosses water injection pipe and injects new water, to guarantee the quality of water.
The utility model is further arranged to: the cooling ring is equipped with the first temperature sensor, and first temperature passes Sensor is electrically connected the first comparison circuit, first comparison circuit include first comparator, the first triode and the first electromagnetism after Electric appliance, the positive input of the first comparator and the first temperature sensor couple, the negative sense input of the first comparator End is provided with the first preset value, and first triode is NPN pipe, and the collector of first triode connects power supply, base The coupling of the emitter of pole and first comparator, first electromagnetic relay includes first coil and the first normally opened contact, and first The coupling of the emitter of coil and the first triode, the other side of the first coil are grounded setting, and first normally opened contact is total There are three and respectively with two water pumps and air-cooler coupled in series, one end of the first normally opened contact connects power supply, two water pumps and One end of air-cooler is grounded setting.
By using above-mentioned technical proposal, the temperature on cold water pipe is detected by the first temperature sensor, works as inspection When measuring actual temperature greater than preset value, first comparator exports high level signal, so that water pump and air-cooler work are controlled, And without work when compared with low temperature, to reduce the waste of electric energy.
The utility model is further arranged to: the second comparison circuit of the water pump and cold wind mechatronics, second ratio It include second temperature sensor, the second comparator, the second triode and the second electromagnetic relay compared with circuit;Second comparator is born To input terminal and second temperature sensor coupled in series, the positive input of the second comparator is provided with the second preset value, and second Triode is that NPN is managed, the collector connection power supply of the second triode, the emitter coupled in series of base stage and the second comparator, Second electromagnetic relay includes the second coil and the second normally-closed contact, the emitter coupling of the second coil and the second triode Connect, the other side of second coil is grounded setting, the second normally-closed contact altogether there are three and respectively with two water pumps and air-cooler Coupled in series.
By using above-mentioned technical proposal, equally the temperature on cold water ring is incuded by second temperature sensor, When detect be less than preset value when, the second comparator export high level signal, such second coil obtain it is electric, and control three second Normally-closed contact disconnects, and two such water pump and air-cooler can close in time, is further reduced the waste of electric energy.
In conclusion the advantageous effects of the utility model are as follows:
1. the utility model cools down swivel head by the way that cooling body is arranged in the side of welding mechanism, and then extends The service life of swivel head;
2. the utility model water channel is twist distributed to increase the contact area of water and cooling ring in cooling ring, increase Add cooling effect;
3. cold set absolutely is arranged by the outside in cooling ring to which the cold air for reducing cooling ring is excessive in the utility model, thus It ensure that the cooling efficiency of cooling ring.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model;
Fig. 2 is the partial sectional view for highlighting welding mechanism of the utility model;
Fig. 3 is the cooling body structural schematic diagram of the utility model;
Fig. 4 is the cold water storage cistern schematic cross-sectional view of the utility model;
Fig. 5 is the first comparison circuit structural schematic diagram of the utility model;
Fig. 6 is the driving circuit structure schematic diagram of the utility model;
Fig. 7 is the second comparison circuit structural schematic diagram of the utility model.
In figure, 1, body;2, welding mechanism;21, protective shell;211, accommodating chamber;22, driving motor;23, fixture;24, it revolves Rotary head;3, cooling body;31, cooling ring;311, water channel;312, exhausted cold set;32, cold water storage cistern;321, cabinet;322, cold water tray Pipe;3221, cooling fin;3222, connecting tube;323, holding tank;3231, water injection pipe;3232, drinking-water pipe;3233, valve;33, cold Blower;34, water inlet pipe;341, water pump;35, outlet pipe;4, the first comparison circuit;41, the first temperature sensor;T1, the first ratio Compared with device;Q1, the first triode;KA1, first coil;5, driving circuit;KA1, the first normally opened contact;KA2, the second normally-closed contact; 6, the second comparison circuit;61, second temperature sensor;T2, the second comparator;Q2, the second triode;KA2, the second coil.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
For a kind of cooling friction stir welding machine automatically disclosed by the utility model, as shown in Figure 1, including body 1, welding Mechanism 2 and cooling body 3, body 1 are placed on the ground, and body 1 is equipped with the machine for driving welding mechanism 2 lifting and transverse shifting Structure, the mechanism are the prior art, and details are not described herein.
As shown in Figures 2 and 3, welding mechanism 2 includes protective shell 21, driving motor 22, fixture 23 and swivel head 24.Protection Shell 21 is vertically arranged and is connected with body 1, and protective shell 21 is hollow structure inside, and driving motor 22 is vertically arranged and is installed in In protective shell 21, fixture 23 is vertically arranged and is fixedly connected with the shaft of driving motor 22, and the lower part of fixture 23 offers installation Hole, swivel head 24 are vertically arranged and are threadedly coupled with mounting hole.The accommodating chamber 211 of annular, cooler are offered in protective shell 21 Structure 3 includes cooling ring 31, cold water storage cistern 32, air-cooler 33, water inlet pipe 34 and outlet pipe 35.Cooling ring 31 is in a ring and set on receiving In chamber 211, cooling ring 31 is horizontally disposed with and its outer cover is equipped with one layer of athermanous cold set 312 absolutely, set 312 cold absolutely and receiving The inner sidewall of chamber 211 is affixed, by being arranged set 312 cold absolutely in the outside of cooling ring 31 to prevent outside the cold water in cooling ring 31 It dissipates, to ensure that the cooling quality of cooling ring 31.The inside of cooling ring 31 offers water channel 311, and water channel 311 is along cooling ring 31 annular surface is twist distributed from top to bottom.Water inlet pipe 34 and outlet pipe 35 are connected to the both ends of water channel 311 respectively, water inlet Water pump 341 is respectively connected on pipe 34 and outlet pipe 35.The water entered in cooling ring 31 twist flows in water channel 311, Cold water and the contact area of cooling ring 31 in this way is more, and cooling is more abundant.
As shown in Figure 3 and Figure 4, cold water storage cistern 32 includes cabinet 321, chilled water coil 322 and holding tank 323.Cabinet 321 is in square It shape and being installed on the side wall of protective shell 21, chilled water coil 322 is set in cabinet 321 and in folding snakelike, and Multiple cooling fins 3221 are installed on the lateral wall of chilled water coil 322.Holding tank 323 is set to the side of cabinet 321 and and cold water One end of coil pipe 322 is connected, and connecting tube 3222, water inlet pipe 34 and outlet pipe are connected between holding tank 323 and chilled water coil 322 35 other end is connected with the other end of chilled water coil 322 and holding tank 323 respectively.Water is connected on the side wall of holding tank 323 The water injection pipe 3231 and drinking-water pipe 3232 of setting are put down, is respectively connected with valve 3233 on water injection pipe 3231 and drinking-water pipe 3232.
In this way when welding to two metal plates, welding mechanism 2 is driven to be moved to two pieces of metal plates by body 1 At docking, then driving motor 22 drives fixture 23 to be rotated, and rear jig 23 drives swivel head 24 to be rotated, fixture 23 Be affixed during rotation with cooling ring 31, water is entered in cooling ring 31 by water inlet pipe 34 by water pump 341, and water from Flow out in cooling ring 31 and entered in cold water storage cistern 32 by outlet pipe 35 again, the work of air-cooler 33 and to the water in cold water storage cistern 32 into Row cools down, and the water in cooling passes through water inlet pipe 34 again and enters in cooling ring 31, completes the circulation of water cooling, in this way can be to rotation First 24 cool down, and so that it is worked at a lower temperature to extend the service life of swivel head 24, reduce cost.
Hot water passes through air-cooler 33 after entering in cold water storage cistern 32 and carries out exhausting to chilled water coil 322, and then passes through sky Whom the flowing of gas cools down, and the serpentine-like distribution of chilled water coil 322 increases heat dissipation area, ensure that radiating efficiency.Pass through The radiating rate of chilled water coil 322 is further increased in the external setting cooling fin 3221 of chilled water coil 322.One is used in water It after the section time, can be pulled water out by drinking-water pipe 3232, and new water is injected by water injection pipe 3231, to guarantee the matter of water Amount.
As shown in Figure 5 and Figure 6, cooling ring 31(refers to Fig. 3) it is equipped with the first temperature sensor 41, the first temperature sensor 41 electrical connection the first comparison circuits 4, the first comparison circuit 4 include first comparator T1, the first triode Q1 and the first electromagnetism after Electric appliance, the positive input and temperature sensor of first comparator T1 couple, and the negative input of first comparator T1 is provided with First preset value, the first triode Q1 are NPN pipe, and the collector of the first triode Q1 connects power supply, and base stage is compared with first The emitter of device T1 couples, and the first electromagnetic relay includes first coil KA1 and the first normally opened contact KA1, first coil KA1 with The emitter of first triode Q1 couples, and the other side of first coil KA1 is grounded setting, the first normally opened contact KA1 altogether there are three And respectively with 33 coupled in series of two water pumps 341 and air-cooler, the first normally opened contact KA1 combined with water pump 341 and air-cooler 33 One end ground connection of formation driving circuit 5, one end connection power supply of the first normally opened contact KA1, two water pumps 341 and air-cooler 33 sets It sets.
The temperature in cooling ring 31 is detected by the first temperature sensor 41, when detecting that actual temperature is greater than When preset value, first comparator T1 exports high level signal, so that water pump 341 and the work of air-cooler 33 are controlled, and compared with low temperature When without work, to reduce the waste of electric energy.
As shown in Figure 6 and Figure 7, water pump 341 and air-cooler 33 are electrically connected the second comparison circuit 6, and the second comparison circuit 6 includes Second temperature sensor 61, the second comparator T2, the second triode Q2 and the second electromagnetic relay;The negative sense of second comparator T2 Input terminal and 61 coupled in series of second temperature sensor, the positive input of the second comparator T2 are provided with the second preset value, the Two triode Q2 are NPN pipe, and the collector of the second triode Q2 connects power supply, the emitter string of base stage and the second comparator T2 Connection coupling, the second electromagnetic relay include the second coil KA2 and the second normally-closed contact KA2, the second coil KA2 and the second triode The emitter of Q2 couples, and the other side of the second coil KA2 is grounded setting, the second normally-closed contact KA2 altogether there are three and respectively with two 33 coupled in series of a water pump 341 and air-cooler.
Equally the temperature on cold water ring is incuded by second temperature sensor 61, is less than preset value when detecting When, the second comparator T2 exports high level signal, and such second coil KA2 obtains electric, and it is disconnected to control three the second normally-closed contact KA2 It opens, two such water pump 341 and air-cooler 33 can close in time, be further reduced the waste of electric energy.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical Within novel protection scope.

Claims (8)

1. a kind of cooling friction stir welding machine automatically, including body (1) and it is set to body (1) top welding mechanism (2), it is special Sign is: the welding mechanism (2) includes protective shell (21), the driving motor (22) being set in protective shell (21) and driving electricity The connected fixture (23) of machine (22) and the swivel head (24) for being threadedly connected to fixture (23);
The accommodating chamber (211) on the outside of fixture (23) is offered inside the protective shell (21), is set on the protective shell (21) There are cooling body (3);
The cooling body (3) includes the cooling ring (31) being set in accommodating chamber (211), the cold water being fixedly arranged on protective shell (21) Case (32), the air-cooler (33) being set on cold water storage cistern (32), the water inlet pipe being connected between cooling ring (31) and cold water storage cistern (32) (34) and outlet pipe (35) it, is respectively connected with water pump (341) on the water inlet pipe (34) and outlet pipe (35), the cooling ring (31) Inside offer the water channel (311) being connected to respectively with water inlet pipe (34) and outlet pipe (35).
2. the friction stir welding machine according to claim 1 cooled down automatically, it is characterised in that: the water channel (311) is cold But it is twist distributed in ring (31).
3. the friction stir welding machine according to claim 1 cooled down automatically, it is characterised in that: outside the cooling ring (31) Exhausted cold set (312) is installed on side wall.
4. cooling friction stir welding machine automatically according to claim 1, it is characterised in that: the cold water storage cistern (32) includes Cabinet (321), the chilled water coil (322) being set in cabinet (321) and the holding tank (323) being connected with chilled water coil (322), institute Chilled water coil (322) are stated in folding snakelike.
5. the friction stir welding machine according to claim 4 cooled down automatically, it is characterised in that: the chilled water coil (322) Outer ring surface on be installed with cooling fin (3221).
6. the friction stir welding machine according to claim 4 cooled down automatically, it is characterised in that: on the holding tank (323) It is connected with water injection pipe (3231) and drinking-water pipe (3232), is connected with valve on water injection pipe (3231) and drinking-water pipe (3232) (3233)。
7. the friction stir welding machine according to claim 1 cooled down automatically, it is characterised in that: set on the cooling ring (31) Have the first temperature sensor (41), first temperature sensor (41) is electrically connected the first comparison circuit (4), and described first compares Circuit (4) includes first comparator (T1), the first triode (Q1) and the first electromagnetic relay, the first comparator (T1) Positive input and the first temperature sensor (41) couple, and it is pre- that the negative input of the first comparator (T1) is provided with first If value, first triode (Q1) is that NPN is managed, and the collector of first triode (Q1) connects power supply, base stage and the The emitter of one comparator (T1) couples, and first electromagnetic relay includes first coil (KA1) and the first normally opened contact (KA1), the emitter of first coil (KA1) and the first triode (Q1) couple, the other side ground connection of the first coil (KA1) Setting, first normally opened contact (KA1) altogether there are three and respectively with two water pumps (341) and air-cooler (33) coupled in series, One end of first normally opened contact (KA1) connects power supply, one end ground connection setting of two water pumps (341) and air-cooler (33).
8. cooling friction stir welding machine automatically according to claim 7, it is characterised in that: the water pump (341) and cold Blower (33) is electrically connected the second comparison circuit (6), and second comparison circuit (6) includes second temperature sensor (61), second Comparator (T2), the second triode (Q2) and the second electromagnetic relay;The negative input of second comparator (T2) and the second temperature Sensor (61) coupled in series is spent, the positive input of the second comparator (T2) is provided with the second preset value, the second triode (Q2) it is managed for NPN, the collector of the second triode (Q2) connects power supply, and base stage is connected with the emitter of the second comparator (T2) Coupling, second electromagnetic relay include the second coil (KA2) and the second normally-closed contact (KA2), the second coil (KA2) and the The emitter of two triodes (Q2) couples, and the other side of second coil (KA2) is grounded setting, the second normally-closed contact (KA2) Altogether there are three and respectively with two water pumps (341) and air-cooler (33) coupled in series.
CN201821842187.XU 2018-11-08 2018-11-08 Automatically cooling friction stir welding machine Active CN209272731U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821842187.XU CN209272731U (en) 2018-11-08 2018-11-08 Automatically cooling friction stir welding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821842187.XU CN209272731U (en) 2018-11-08 2018-11-08 Automatically cooling friction stir welding machine

Publications (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111112894A (en) * 2020-01-08 2020-05-08 昆山天马精密机械有限公司 Threaded water channel cooling device and method for electrode welding of automobile parts
CN111266720A (en) * 2020-01-19 2020-06-12 江苏商贸职业学院 Spot welding device with good heat dissipation effect for computer hardware development

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111112894A (en) * 2020-01-08 2020-05-08 昆山天马精密机械有限公司 Threaded water channel cooling device and method for electrode welding of automobile parts
CN111266720A (en) * 2020-01-19 2020-06-12 江苏商贸职业学院 Spot welding device with good heat dissipation effect for computer hardware development

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