阅读说明：本技术 一种先进有色金属部件的热处理后淬火冷却设备 (Quenching cooling device for advanced nonferrous metal part after heat treatment ) 是由 金环珍 于 2021-08-03 设计创作，主要内容包括：本发明公布了一种先进有色金属部件的热处理后淬火冷却设备,包括水箱、淬火筒、冷却管、水泵、水阀和散热装置,淬火筒的外壁固接有第一水环和第二水环,水阀包括阀座和阀芯,散热装置包括连通管和散热管,在淬火的过程中,随着淬火液的温度升高,当到达阈值时,水阀开启,且水泵同步工作,冷却液经冷却管下落,从而将淬火液中的热量吸收,对其进行冷却降温,下落的冷却液进入到第二水环,并通过排水管进入散热装置,通过散热装置对冷却液进行降温,降温后的冷却液回流到水箱中继续使用。(The invention discloses an advanced quenching cooling device for non-ferrous metal parts after heat treatment, which comprises a water tank, a quenching cylinder, a cooling pipe, a water pump, a water valve and a heat dissipation device, wherein the outer wall of the quenching cylinder is fixedly connected with a first water ring and a second water ring, the water valve comprises a valve seat and a valve core, the heat dissipation device comprises a communication pipe and a heat dissipation pipe, in the quenching process, along with the temperature rise of quenching liquid, when the temperature of the quenching liquid reaches a threshold value, the water valve is opened, the water pump synchronously works, the cooling liquid falls through the cooling pipe, so that the heat in the quenching liquid is absorbed and cooled, the falling cooling liquid enters the second water ring and enters the heat dissipation device through a drain pipe, the cooling liquid is cooled through the heat dissipation device, and the cooled cooling liquid flows back to the water tank for continuous use.)

1. An advanced post-heat treatment quenching cooling apparatus for non-ferrous metal parts, characterized in that: comprises a water tank, a quenching cylinder, a cooling pipe, a water pump, a water valve and a heat dissipation device;

a water replenishing pipe is fixedly connected to a top plate of the water tank, a sewage discharge pipe is fixedly connected to the bottom of a right side plate of the water tank, the heads of the water replenishing pipe and the sewage discharge pipe are both in threaded connection with a cover body, and an observation window made of transparent glass is fixedly connected to a front side plate of the water tank;

the quenching cylinder is fixedly connected to the top of the water tank, a first water ring and a second water ring are fixedly connected to the outer wall of the quenching cylinder, first elbows are uniformly and fixedly connected to the inner wall of the quenching cylinder at the circumference corresponding to the first water ring, second elbows corresponding to the first elbows are fixedly connected to the inner wall of the quenching cylinder at the position corresponding to the second water ring, and a water supply pipe is fixedly connected to the bottom of the right side of the first water ring;

the cooling pipe is fixedly connected between the corresponding first elbow and the corresponding second elbow;

the water pump is fixedly connected to the right side of the top of the water tank, a water pumping pipe and a water delivery pipe are fixedly connected to an inlet and an outlet of the water pump respectively, and the head of the water pumping pipe is connected with the bottom of the right side plate of the water tank;

the water valve is arranged between the water supply pipe and the water supply pipe;

and a drain pipe is fixedly connected to the bottom of the left side of the second water ring and is connected with the inner cavity of the water tank through a heat dissipation device.

2. The apparatus for post heat treatment quench cooling of advanced nonferrous metal parts according to claim 1, wherein the quenching means comprises: and a spiral guide plate is fixedly connected inside the cooling pipe.

3. The apparatus for post heat treatment quench cooling of advanced nonferrous metal parts according to claim 1, wherein the quenching means comprises: the water valve comprises a valve seat and a valve core; the valve seat is arranged on the right side of the quenching cylinder, a valve cavity and an expansion cavity are formed in the valve seat, the left side and the right side of the valve cavity are fixedly connected with a water outlet joint and a water inlet joint respectively, the water outlet joint is connected with the head of a water supply pipe, the water inlet joint is connected with the head of a water supply pipe, the valve cavity is communicated with the expansion cavity through a through hole plate, the bottom of the left side of the expansion cavity is fixedly connected with a heat conduction pipe, the head of the heat conduction pipe is sealed and arranged, the head of the heat conduction pipe extends into the quenching cylinder, expansion liquid is contained in the heat conduction pipe and the expansion cavity, the valve core is connected in the valve cavity in a sliding mode, a water passing groove penetrating through the valve cavity in the left and right directions is formed in the valve cavity, and when the top of the valve core is in contact with the top of the valve cavity, the water passing groove is aligned with the water outlet joint and the water inlet joint.

4. The apparatus for post heat treatment quench cooling of advanced nonferrous metal parts according to claim 3, wherein the quenching means comprises: the top rigid coupling of disk seat has connects the torch, the symmetry rigid coupling has an insulating cylinder on the roof that connects the torch, each rigid coupling has the electrical connector among the insulating cylinder, connects the electrically conductive dish of metal in the torch still sliding connection, the rigid coupling has branch between electrically conductive dish of metal and the case, when the case contacts with the top of valve pocket, electrically conductive dish of metal contacts with two electrical connector contacts, still includes external power source, external power source's positive pole and the anodal wiring end electric connection of water pump, negative pole wiring end of water pump and one electrical connector of external power source's negative pole difference electric connection.

5. The apparatus for post heat treatment quench cooling of advanced nonferrous metal parts according to claim 4, wherein the quenching means comprises: the expansion liquid is mercury.

6. The apparatus for post heat treatment quench cooling of advanced nonferrous metal parts according to claim 1, wherein the quenching means comprises: the heat dissipation device comprises a communication pipe and a heat dissipation pipe, the communication pipe is fixedly connected to the lower portion of the left side of the quenching cylinder, the middle of the communication pipe is connected with the head of the drain pipe, the heat dissipation pipe is fixedly connected to the left side and the right side of the communication pipe and is evenly provided with a plurality of pipes along the axis direction of the communication pipe, the head portions of the heat dissipation pipes on the front side and the rear side are respectively connected with the upper portion of the front side plate and the rear side plate of the water tank, and the heat dissipation pipe is made of red copper.

7. The apparatus for post heat treatment quench cooling of advanced nonferrous metal parts according to claim 6, wherein the quenching means comprises: the position rigid coupling that the curb plate inner wall corresponds the cooling tube around the water tank has the filtration storehouse, it has the filtration hole to cross the dense cloth of one side that the cooling tube was kept away from in the storehouse, each it has the filter screen to filter downthehole rigid coupling.

8. The apparatus for post heat treatment quench cooling of advanced nonferrous metal parts according to claim 7, wherein the quenching means comprises: the utility model discloses a filter cartridge, including filter bin, connecting rod, mounting disc, rubber ring, filter bin inner seal sliding connection has the scraper blade, there is the mounting disc left side through the connecting rod rigid coupling of scraper blade, set up the mounting hole that the mounting disc corresponds on the left side board of water tank, the inner wall rigid coupling of mounting hole has the rubber ring, mounting disc interference fit is in the rubber ring, and one side rigid coupling that the scraper blade was kept away from to the mounting disc has the pull ring.

Technical Field

The invention relates to the technical field of advanced nonferrous metal materials, in particular to quenching cooling equipment for a heat-treated advanced nonferrous metal part.

Background

Advanced non-ferrous metals include aluminum and aluminum alloy materials, copper and copper alloy materials, titanium and titanium alloy materials, magnesium and magnesium alloy materials, rare metal materials, noble metal materials, new rare earth materials, hard alloys and products, other non-ferrous metal materials and the like.

The advanced nonferrous metal material is a basic material for national economic development, the advanced nonferrous metal material is taken as a production basis in most industries such as aviation, aerospace, automobiles, mechanical manufacturing, electric power, communication, building, household appliances and the like, and the position of the advanced nonferrous metal material in the development of human beings is more and more important along with the rapid advance of modern chemical industry, agriculture and scientific technology, so that the advanced nonferrous metal material not only is an important strategic material and an important production material in the world, but also is an important material of indispensable consumption materials in human life.

Mechanical parts made of advanced non-ferrous metal materials need to be subjected to heat treatment in the production process, parts after heat treatment need to be subjected to quenching treatment, the parts are generally put into a box body containing quenching liquid for quenching and cooling in the prior art, but in the operation process, the temperature of the quenching liquid is continuously increased due to the fact that heat of the parts is transferred into the quenching liquid, a structure for automatically cooling the quenching liquid is not arranged in the box body in the prior art, and the quenching liquid with the excessively high temperature can cause poor quenching and cooling effects of the parts.

Disclosure of Invention

In order to solve the problems, the invention provides an advanced quenching cooling device for the heat treatment of nonferrous metal parts, and the invention is realized by the following technical scheme.

An advanced quenching cooling device for non-ferrous metal parts after heat treatment comprises a water tank, a quenching cylinder, a cooling pipe, a water pump, a water valve and a heat dissipation device;

a water replenishing pipe is fixedly connected to a top plate of the water tank, a sewage discharge pipe is fixedly connected to the bottom of a right side plate of the water tank, the heads of the water replenishing pipe and the sewage discharge pipe are both in threaded connection with a cover body, and an observation window made of transparent glass is fixedly connected to a front side plate of the water tank;

the quenching cylinder is fixedly connected to the top of the water tank, a first water ring and a second water ring are fixedly connected to the outer wall of the quenching cylinder, first elbows are uniformly and fixedly connected to the inner wall of the quenching cylinder at the circumference corresponding to the first water ring, second elbows corresponding to the first elbows are fixedly connected to the inner wall of the quenching cylinder at the position corresponding to the second water ring, and a water supply pipe is fixedly connected to the bottom of the right side of the first water ring;

the cooling pipe is fixedly connected between the corresponding first elbow and the corresponding second elbow;

the water pump is fixedly connected to the right side of the top of the water tank, a water pumping pipe and a water delivery pipe are fixedly connected to an inlet and an outlet of the water pump respectively, and the head of the water pumping pipe is connected with the bottom of the right side plate of the water tank;

the water valve is arranged between the water supply pipe and the water supply pipe;

and a drain pipe is fixedly connected to the bottom of the left side of the second water ring and is connected with the inner cavity of the water tank through a heat dissipation device.

Further, a spiral guide plate is fixedly connected to the inside of the cooling pipe.

Further, the water valve comprises a valve seat and a valve core; the valve seat is arranged on the right side of the quenching cylinder, a valve cavity and an expansion cavity are formed in the valve seat, the left side and the right side of the valve cavity are fixedly connected with a water outlet joint and a water inlet joint respectively, the water outlet joint is connected with the head of a water supply pipe, the water inlet joint is connected with the head of a water supply pipe, the valve cavity is communicated with the expansion cavity through a through hole plate, the bottom of the left side of the expansion cavity is fixedly connected with a heat conduction pipe, the head of the heat conduction pipe is sealed and arranged, the head of the heat conduction pipe extends into the quenching cylinder, expansion liquid is contained in the heat conduction pipe and the expansion cavity, the valve core is connected in the valve cavity in a sliding mode, a water passing groove penetrating through the valve cavity in the left and right directions is formed in the valve cavity, and when the top of the valve core is in contact with the top of the valve cavity, the water passing groove is aligned with the water outlet joint and the water inlet joint.

Further, the top rigid coupling of disk seat has the electricity of connecing the torch, it has the insulating cylinder to connect the symmetry rigid coupling on the roof of torch, each rigid coupling has the electrical connection post in the insulating cylinder, connects still sliding connection has the electrically conductive dish of metal in the torch, the rigid coupling has branch between electrically conductive dish of metal and the case, when the case contacts with the top of valve pocket, the electrically conductive dish of metal contacts with two electrical connection posts, still includes external power source, external power source's positive pole and the anodal wiring end electric connection of water pump, negative pole wiring end of water pump and electrical connection post of the negative pole difference electric connection of external power source.

Further, the expansion fluid is mercury.

Further, heat abstractor includes communicating pipe and cooling tube, the left side lower part of communicating pipe rigid coupling at a quenching section of thick bamboo, the middle part of communicating pipe is connected with the head of drain pipe, the cooling tube rigid coupling evenly is equipped with a plurality ofly in the left and right sides of communicating pipe and along the axis direction of communicating pipe, and the cooling tube head of front and back both sides is connected with the front and back curb plate upper portion of water tank respectively, the cooling tube is the red copper material.

Furthermore, the position rigid coupling that the curb plate inner wall corresponds the cooling tube around the water tank has the filtration storehouse, the filtration storehouse is kept away from one side of cooling tube and is densely covered with the filtration pore, each the downthehole rigid coupling of filtration has the filter screen.

Further, it has the scraper blade to cross sealed sliding connection in the filter bin, there is the mounting disc on the left side of scraper blade through the connecting rod rigid coupling, set up the mounting hole that the mounting disc corresponds on the left side board of water tank, the inner wall rigid coupling of mounting hole has the rubber ring, mounting disc interference fit is in the rubber ring, and one side rigid coupling that the scraper blade was kept away from to the mounting disc has the pull ring.

The invention has the following beneficial effects:

1. in the quenching process, along with the temperature rise of quenching liquid, when a threshold value is reached, a water valve is opened, a water pump works synchronously, the water pump extracts cooling liquid in the water tank through a water pumping pipe and conveys the cooling liquid to a first water ring through a water conveying pipe and a water supply pipe in sequence, the cooling liquid falls through a cooling pipe, heat in the quenching liquid is absorbed and cooled, the flowing distance of the cooling liquid in the cooling pipe is increased through a spiral guide plate, the cooling effect is improved, the falling cooling liquid enters a second water ring and enters a heat dissipation device through a water drainage pipe, the cooling liquid is cooled through the heat dissipation device, and the cooled cooling liquid flows back to the water tank for continuous use.

2. In the initial state, because the temperature of the quenching liquid is lower, the temperature of the quenching liquid is transferred to the expansion liquid through the heat conduction pipe, the temperature of the expansion liquid is lower, the volume of the expansion liquid is smaller, at the moment, the valve core is contacted with the bottom of the valve cavity, so that the water passing groove is staggered with the water inlet joint and the water outlet joint, the water supply pipe and the water delivery pipe are cut off, and the cooling liquid cannot flow in the cooling pipe.

The temperature of the quenching liquid continuously rises along with the quenching process, the temperature of the expansion liquid also continuously rises, so that the volume of the expansion liquid continuously increases, when the valve core is contacted with the top surface of the valve cavity, the water passing groove is aligned with the water inlet joint and the water outlet joint, at the moment, the water supply pipe and the water supply pipe are communicated, the valve core jacks up the metal conductive disc through the support rod when rising, when the water supply pipe and the water supply pipe are communicated, the two electric connecting columns are contacted with the metal conductive disc, at the moment, the circuit of the water pump is communicated, so that the cooling liquid circulates in the cooling pipe, and the quenching liquid is continuously cooled through the circulation of the cooling liquid, namely, the quenching liquid can be automatically cooled when the temperature of the quenching liquid rises and reaches a threshold value.

3. The coolant liquid that flows down among the drain pipe flows back to the water tank through communicating pipe and each cooling tube, cools down it through a plurality of cooling tubes of red copper material for the coolant liquid that flows back in the water tank has lower temperature, is convenient for its cyclic utilization.

4. The cooling liquid that flows down in the cooling tube enters into the filtration storehouse, flows back to the water tank after the filtration through the filter screen to filter its piece that produces with the pipe wall friction, make it cleaner, the use of being convenient for the circulation.

When the piece in filtering the storehouse gathers more, pull out the body structure of mounting disc, connecting rod and scraper blade through the pull ring to discharge through the impurity that the scraper blade will filter in the storehouse, impurity discharges the back of accomplishing, promotes the mounting disc to the mounting hole in, carries out seal installation through the rubber ring to the mounting disc.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without inventive labor.

FIG. 1: the invention relates to an axonometric view of quenching cooling equipment after heat treatment of an advanced nonferrous metal part;

FIG. 2: the internal structure of the cooling pipe is shown schematically;

FIG. 3: the invention relates to a structure schematic diagram of quenching cooling equipment after heat treatment of an advanced nonferrous metal part;

FIG. 4: the structure of the water valve is schematic;

FIG. 5: FIG. 4 is a partial enlarged view of the point A;

FIG. 6: FIG. 4 is a partial enlarged view at B;

FIG. 7: the invention relates to a circuit connection schematic diagram of a water pump;

FIG. 8: the invention discloses a structural schematic diagram of the position of a filter bin.

The reference numbers are as follows:

1-a water tank, 11-a water replenishing pipe, 12-a sewage draining pipe, 13-an observation window,

2-a quenching cylinder, 21-a first water ring, 22-a second water ring, 23-a first elbow, 24-a second elbow, 25-a water supply pipe, 26-a water discharge pipe,

3-a cooling pipe, 31-a guide plate,

4-a water pump, 41-a water pumping pipe, 42-a water delivery pipe,

5-water valve, 51-valve seat, 52-valve core, 53-valve cavity, 54-expansion cavity, 55-water outlet joint, 56-water inlet joint, 57-through hole plate, 58-heat pipe, 59-expansion liquid, 510-water passing tank,

6-heat radiating device, 61-communicating pipe, 62-heat radiating pipe,

71-connecting torch, 72-insulating cylinder, 73-connecting pole, 74-metal to conductive plate, 75-supporting rod, 76-external power supply,

81-filter bin, 82-filter hole, 83-filter screen, 84-scraper, 85-connecting rod, 86-mounting disc, 87-mounting hole, 88-rubber ring and 89-pull ring.

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.

As shown in fig. 1 to 8, the present invention has the following specific embodiments.

Example 1

An advanced quenching cooling device for non-ferrous metal parts after heat treatment comprises a water tank 1, a quenching cylinder 2, a cooling pipe 3, a water pump 4, a water valve 5 and a heat dissipation device 6;

a water replenishing pipe 11 is fixedly connected to a top plate of the water tank 1, a sewage discharge pipe 12 is fixedly connected to the bottom of a right side plate of the water tank 1, the heads of the water replenishing pipe 11 and the sewage discharge pipe 12 are both in threaded connection with a cover body, and an observation window 13 made of transparent glass is fixedly connected to a front side plate of the water tank 1;

the quenching cylinder 2 is fixedly connected to the top of the water tank 1, the outer wall of the quenching cylinder 2 is fixedly connected with a first water ring 21 and a second water ring 22, the inner wall of the quenching cylinder 2 is uniformly and fixedly connected with a first elbow 23 at the position corresponding to the circumference of the first water ring 21, the inner wall of the quenching cylinder 2 is fixedly connected with a second elbow 24 corresponding to the first elbow 23 at the position corresponding to the second water ring 22, and the bottom of the right side of the first water ring 21 is fixedly connected with a water supply pipe 25;

the cooling pipe 3 is fixedly connected between the corresponding first elbow 23 and the second elbow 24;

the water pump 4 is fixedly connected to the right side of the top of the water tank 1, a water pumping pipe 41 and a water delivery pipe 42 are fixedly connected to an inlet and an outlet of the water pump 4 respectively, and the head of the water pumping pipe 41 is connected with the bottom of the right side plate of the water tank 1;

the water valve 5 is arranged between the water supply pipe 25 and the water supply pipe 42;

the left bottom of the second water ring 22 is fixedly connected with a drain pipe 26, and the drain pipe 26 is connected with the inner cavity of the water tank 1 through the heat sink 6.

Preferably, a spiral guide plate 31 is fixed to the inside of the cooling pipe 3.

In this embodiment:

when the device is used, firstly, cooling liquid is added into the water tank 1 through the water replenishing pipe 11, quenching liquid is added into the quenching cylinder 2, then the advanced nonferrous metal part after heat treatment is put into the quenching cylinder 2, the part is quenched and cooled through the quenching liquid, and the condition of the cooling liquid in the water tank 1 can be observed in real time through the observation window 13.

In the process, as the temperature of the quenching liquid rises, when the temperature reaches a threshold value, the water valve 5 is opened, the water pump 4 works synchronously, the water pump 4 extracts the cooling liquid in the water tank 1 through the water pumping pipe 41, and the cooling liquid is conveyed to the first water ring 21 through the water conveying pipe 42 and the water conveying pipe 25 in sequence, the cooling liquid falls through the cooling pipe 3, so that heat in the quenching liquid is absorbed and cooled, the flowing distance of the cooling liquid in the cooling pipe 3 is increased through the spiral guide plate 31, so that the cooling effect is improved, the falling cooling liquid enters the second water ring 22 and enters the heat dissipation device 6 through the water discharging pipe 26, the cooling liquid is cooled through the heat dissipation device 6, and the cooled cooling liquid flows back to the water tank 1 for continuous use.

Example 2

The difference from embodiment 1 is that the following is also included:

the water valve 5 comprises a valve seat 51 and a valve core 52; the valve seat 51 is arranged on the right side of the quenching cylinder 2, a valve cavity 53 and an expansion cavity 54 are arranged in the valve seat 51, a water outlet joint 55 and a water inlet joint 56 are fixedly connected to the left side and the right side of the valve cavity 53 respectively, the water outlet joint 55 is connected with the head of the water supply pipe 25, the water inlet joint 56 is connected with the head of the water supply pipe 42, the valve cavity 53 is communicated with the expansion cavity 54 through a through hole plate 57, a heat conduction pipe 58 is fixedly connected to the bottom of the left side of the expansion cavity 54, the head of the heat conduction pipe 58 is sealed, the head of the heat conduction pipe 58 extends into the quenching cylinder 2, expansion liquid 59 is contained in the heat conduction pipe 58 and the expansion cavity 54, the valve core 52 is slidably connected in the valve cavity 53, a water passing groove 510 which penetrates through from left to right is arranged in the valve cavity 53, and when the top of the valve core 52 is contacted with the top of the valve cavity 53, the water passing groove 510 is aligned with the water outlet joint 55 and the water inlet joint 56.

Preferably, the top of the valve seat 51 is fixedly connected with an electric connecting tube 71, insulating cylinders 72 are symmetrically and fixedly connected to a top plate of the electric connecting tube 71, electric connecting posts 73 are fixedly connected to each insulating cylinder 72, a metal conductive disc 74 is also slidably connected to the electric connecting tube 71, a support rod 75 is fixedly connected between the metal conductive disc 74 and the valve core 52, when the valve core 52 contacts with the top of the valve cavity 53, the metal conductive disc 74 contacts with the two electric connecting posts 73, the water pump further comprises an external power supply 76, an anode of the external power supply 76 is electrically connected with an anode terminal of the water pump 4, and a cathode terminal of the water pump 4 and a cathode of the external power supply 76 are respectively electrically connected with one electric connecting post 73.

Preferably, the expansion liquid 59 is mercury.

In this embodiment:

in the initial state, because the temperature of the quenching liquid is low, the temperature of the quenching liquid is transferred to the expansion liquid 59 through the heat pipe 58, the temperature of the expansion liquid 59 is low, the volume of the expansion liquid 59 is small, at the moment, the valve core 52 is contacted with the bottom of the valve cavity 53, the water passing groove 510 is staggered with the water inlet joint 56 and the water outlet joint 55, the water supply pipe 25 and the water supply pipe 42 are further cut off, and the cooling liquid cannot flow in the cooling pipe 3.

As the quenching progresses, the temperature of the quenching liquid rises continuously, the temperature of the expansion liquid 59 rises continuously, so that the volume of the expansion liquid increases continuously, when the valve core 52 contacts the top surface of the valve cavity 53, the water passing groove 510 is aligned with the water inlet joint 56 and the water outlet joint 55, the water supply pipe 25 and the water supply pipe 42 are communicated at this time, the valve core 52 lifts up the metal conductive disc 74 through the support rod 75 when rising, when the water supply pipe 25 and the water supply pipe 42 are communicated, the two electric connection columns 73 contact with the metal conductive disc 74, as can be seen from fig. 7, at this time, the circuit of the water pump 4 is switched on, so that the cooling liquid circulates in the cooling pipe 3, and the temperature of the quenching liquid is cooled continuously through the circulation of the cooling liquid, namely, the invention can automatically cool the quenching liquid when rising to reach the threshold value.

Example 3

The difference from embodiment 2 is that the following contents are also included:

the heat dissipation device 6 comprises a communication pipe 61 and a heat dissipation pipe 62, the communication pipe 61 is fixedly connected to the lower portion of the left side of the quenching cylinder 2, the middle portion of the communication pipe 61 is connected to the head portion of the water discharge pipe 26, the heat dissipation pipe 62 is fixedly connected to the left and right sides of the communication pipe 61 and is uniformly provided with a plurality of heat dissipation pipes 62 along the axial direction of the communication pipe 61, the head portions of the heat dissipation pipes 62 on the front and rear sides are respectively connected to the upper portions of the front and rear side plates of the water tank 1, and the heat dissipation pipe 62 is made of red copper.

In this embodiment:

the coolant flowing down from the drain pipe 26 is returned to the water tank 1 through the communication pipe 61 and the respective radiating pipes 62, and is cooled by the plurality of radiating pipes 62 made of red copper, so that the coolant returned to the water tank 1 has a low temperature, which facilitates recycling thereof.

Example 4

The difference from embodiment 3 is that the following is also included:

the inner walls of the front and rear side plates of the water tank 1 are fixedly connected with a filtering bin 81 corresponding to the position of the radiating pipe 62, filtering holes 82 are densely distributed on one side of the filtering bin 81 far away from the radiating pipe 62, and a filter screen 83 is fixedly connected in each filtering hole 82.

Preferably, there is scraper 84 in the filter bin 81 sealed sliding connection, and there is a mounting disc 86 on the left side of scraper 84 through connecting rod 85 rigid coupling, and the mounting hole 87 that mounting disc 86 corresponds has been seted up on the left side board of water tank 1, and the inner wall rigid coupling of mounting hole 87 has rubber ring 88, and mounting disc 86 interference fit is in rubber ring 88, and one side rigid coupling that scraper 84 was kept away from to mounting disc 86 has pull ring 89.

In this embodiment:

the cooling liquid flowing down from the heat dissipation pipe 62 enters the filtering bin 81, and flows back to the water tank 1 after being filtered by the filtering net 83, so that the debris generated by friction between the cooling liquid and the pipe wall is filtered, and the cooling liquid is relatively clean and convenient to use circularly.

When debris in the filter bin 81 is accumulated more, the integral structure of the mounting disc 86, the connecting rod 85 and the scraper 84 is pulled out through the pull ring 89, so that impurities in the filter bin 81 are discharged through the scraper 84, after the impurities are discharged, the mounting disc 86 is pushed into the mounting hole 87, and the mounting disc 86 is hermetically mounted through the rubber ring 88.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.