CN217149249U - Heat treatment quenching lifting system for caterpillar track section - Google Patents

Abstract

The utility model relates to a caterpillar link heat treatment quenching lift system, its characterized in that: conveyer, quenching groove, bearing basket and be located the inslot that quenches and install splashproof feed inlet and chain formula guipure promotion conveyer including the net chain that puts in proper order, chain formula guipure promotes the conveyer and comprises the promotion section and the horizontally output section that the horizontally quenches section, slant setting for promote the rail festival to the eminence and discharge the feeding side that quenches the groove outer section of quenching from quenching the groove and correspond the discharge side of splashproof feed inlet, the discharge side butt joint of output section is installed and is born the basket, bears the basket and accepts the output section ejection of compact. The utility model discloses following beneficial effect has: the system is applied to the field of afterheat quenching of caterpillar link forging, the caterpillar link is directly cooled by cooling medium at a certain temperature to obtain a quenching structure, a quenching and heating process can be omitted, and the forged piece subjected to afterheat quenching treatment is low in cost and high in efficiency.

Description

Heat treatment quenching lifting system for caterpillar track section

Technical Field

The utility model relates to a caterpillar link heat treatment quenching lifting system, which belongs to the technical field of caterpillar link heat treatment quenching.

Background

The caterpillar track section is an important part in the crawler tracks of the engineering machinery such as a bulldozer, an excavator and the like, and the market demand is large. The caterpillar track section has a severe working environment and complex stress, needs to bear large random alternating load in a working condition, and is one of the most prone to failure parts of a caterpillar type engineering machinery walking system.

The patent No. 202120018582.1 discloses a novel caterpillar link forging waste heat quenching sorting unit, including first conveyer belt, separation baffle, waste basket, quenching water tank, temperature measuring unit and the control unit, first conveyer belt is configured into and receives the caterpillar link forging of treating quenching, can see that the caterpillar link that treats heat treatment falls into the quenching water tank from higher position, and the caterpillar link is great with the impact of quenching oil, causes the spill of quenching oil easily. In addition, the quenching water tank is lack of temperature control equipment, so that the temperature of quenching oil cannot be accurately controlled, and the production quality is different.

SUMMERY OF THE UTILITY MODEL

According to the not enough among the above prior art, the utility model discloses the technical problem who solves is: in order to solve one of the problems, a heat treatment quenching lifting system for the caterpillar track section is provided.

The caterpillar track section heat treatment quenching lifting system is characterized in that: including the net chain that puts in proper order transport conveyer, quench the groove, bear the weight of the charging basket and be located and quench the inslot and install splashproof feed inlet and chain formula guipure promotion conveyer, chain formula guipure promotion conveyer comprises horizontally section of quenching, the promotion section that the slant set up and horizontally output section for promote the caterpillar link to the eminence and discharge from quenching the groove outside, quench the section top and have the splashproof apron, the splashproof apron lock is at quenching the groove top, and the promotion section is worn out from the gap between splashproof apron and the quenching groove, and the feed inlet is fixed on the preceding lateral wall of quenching the groove, and its feed side runs through the splashproof apron and extends to the quenching groove outside butt joint and install the net chain and transport conveyer, and the discharge of net chain transport conveyer is accepted to the splashproof feed inlet, and the feed side of quenching section corresponds the discharge side of splashproof feed inlet, and bear the charging basket is installed in the discharge side butt joint of output section, the system is applied to the field of afterheat quenching of chain track section forging, a cooling medium is directly put into the chain track section at a certain temperature for cooling to obtain a quenching tissue, a quenching heating procedure can be omitted, the cost of a forged piece subjected to afterheat quenching treatment is low, the efficiency is high, the chain track section is transferred to the feeding side of a net chain transfer conveyor after blanking, medium-frequency heating and forging, the rotating speed of the net chain transfer conveyor is controlled, the cooling time is adjusted, the temperature of the chain track section is detected by a temperature measuring gun at the discharging side of the net chain transfer conveyor to control the bath-entering temperature of the chain track section to be quenched, the chain track section discharged by the net chain transfer conveyor falls into an upper-section inclined slide pipe, slides onto a bottom plate of a lower-section inclined slide pipe along the inclined bottom plate of the upper-section inclined slide pipe, is redirected by the lower-section inclined slide pipe, slides to the feeding side of a quenching section along a lower-section redirected inclined slide pipe, quenching oil is filled in a quenching tank, the quenching oil surface is higher than the joint of the upper section inclined slide pipe and the lower section bend to the inclined slide pipe, the chain type mesh belt lifting conveyor consists of a horizontal quenching section, a lifting section which is obliquely arranged and a horizontal output section, and is used for lifting the caterpillar link from the quenching tank to a high position and discharging the caterpillar link out of the quenching tank, and the caterpillar link sent out by the chain type mesh belt lifting conveyor falls into a bearing material basket to finish the forging waste heat quenching of the caterpillar link.

Furthermore, the splash-proof feed inlet comprises an upper section inclined chute, the bottom end of the upper section inclined chute is connected with a lower section bend-changing inclined chute, the top of the upper section inclined chute is an input port, the bottom end of the upper section inclined chute is an output port, the upper section inclined chute and the lower section bend-changing inclined chute are obliquely arranged relative to the horizontal plane, the transmission direction of the upper section inclined chute is consistent with the transmission direction of the quenching section, the transmission direction of the lower section bend-changing inclined chute is perpendicular to the transmission direction of the quenching section, the input port of the upper section inclined chute is used for receiving the discharge of the net chain transfer conveyor, the output port is positioned above the quenching section, the feeding side of the quenching section is used for receiving the output port discharge of the lower section bend-changing inclined chute, a chain track section discharged by the net chain transfer conveyor falls into the upper section inclined chute, slides to a bottom plate of the lower section bend-changing inclined chute along the inclined bottom plate of the upper section inclined chute, and slides to the feeding side of the quenching section along the lower section bend-changing chute, smooth and easy feed, and reduce the impact of caterpillar link and quenching oil to very little, prevent quenching oil spill.

Further, the inclination angle between the upper-section inclined chute and the horizontal plane is 25-45 degrees; the inclination angle between the lower section of the bend inclined chute and the horizontal plane is 25-45 degrees, the inclination angle is adjusted as required, smooth feeding is guaranteed, impact between the caterpillar link and quenching oil is reduced to be small, and the quenching oil is prevented from splashing out.

Further, chain formula guipure promotes the conveyer by installing the gear motor drive roll rotation at output section department, the drive roll drives chain formula guipure and rotates, be provided with perpendicular its direction of delivery on the chain formula guipure of chain formula guipure promotion conveyer for avoid the baffle of material landing downwards, chain formula guipure promotes the conveyer and is current structure, and chain formula guipure does benefit to the discharge of quenching oil, and the fluid that the output section took out falls back to the quenching groove in, avoids the excessive quenching groove outside of taking out.

Furthermore, the net chain transfer conveyor comprises a conveyor belt, the front end and the rear end of the conveyor belt are respectively sleeved on a transmission roller, the transmission roller is connected with a driving device, the conveyor belt is a metal net chain, and horizontal conveyor belt supports are arranged on the left side and the right side of the conveyor belt; two the driving roller is located respectively both ends around the conveyer belt support, for current structure, the conveyer belt does benefit to the heat dissipation for the metal mesh chain.

Furthermore, the partition plate is formed by processing angle steel, and the processing is simple.

Furthermore, the bearing charging basket is a metal charging basket with an opening at the top, the outer wall of the bearing charging basket is provided with lightening holes, and the top of the bearing charging basket is provided with lifting lugs, so that the cost is low.

Further, the quenching device also comprises a heating zone positioned in the quenching tank, wherein the heating zone is positioned in an area enclosed by the anti-splash feed inlet, the chain type mesh belt lifting conveyor and the quenching tank, a circuitous electric heater is arranged in the area, a temperature sensor is arranged on the inner wall of the quenching tank close to the chain type mesh belt lifting conveyor, a controller is arranged on the outer wall of the quenching tank, the quenching tank also comprises a heat exchange circulating pump, a filter, a two-position three-way battery valve, a first oil return pipe, a second oil return pipe, a radiating fin and a radiating fan which are positioned outside the quenching tank, the radiating fan is fixed on the radiating fin and used for directly blowing the radiating fin to cool the radiating fin, an oil inlet of the two-position three-way battery valve is connected with an oil inlet pipe, the oil inlet pipe penetrates through the side wall of the quenching tank and extends into the quenching tank, the heat exchange circulating pump and the filter are connected in series with the oil inlet pipe, and a first oil outlet and a second oil return pipe are respectively connected with the two oil return pipe, the first oil return pipe and the second oil return pipe are communicated with an inner cavity of the quenching tank through a main oil return pipe, an oil outlet of the main oil return pipe and an inlet of the oil inlet pipe are arranged at intervals along the length direction of the roundabout electric heater, the temperature sensor is electrically connected with an analog input port of the controller, the roundabout electric heater, the heat exchange circulating pump, the two-position three-way battery valve and the cooling fan are electrically connected with an output port of the controller, the controller is a PLC (programmable logic controller), quenching oil in the quenching tank is usually controlled to be 40-80 ℃, when the temperature sensor detects that the temperature is lower than the temperature, the roundabout electric heater and the heat exchange circulating pump are controlled to be started through the controller, and the two-position three-way battery valve is communicated with the first oil return pipe and the filter to heat the quenching oil and filter the quenching oil at the same time; when the temperature sensor detects that the temperature rises to a proper temperature range, the roundabout electric heater is turned off, the net chain transfer conveyor and the chain type net belt lifting conveyor are turned on, and the quenching operation is started for the chain track section; along with the long-time going on of work, the caterpillar link further rises the temperature to the quenching oil, and when temperature sensor detected to be higher than suitable temperature, two-position three way battery valve switch-on second returned oil pipe opened radiator fan simultaneously, dispelled the heat to the fin to reach the purpose that reduces the quenching liquid temperature.

Furthermore, the sections of the upper inclined chute and the lower inclined chute are rectangular along the direction perpendicular to the length direction, quenching oil is filled in the quenching tank, and liquid-permeable holes are uniformly formed in the side walls and the top walls of the upper inclined chute and the lower inclined chute below the liquid level of the quenching oil, so that the temperature consistency in the quenching tank is facilitated.

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

caterpillar track section thermal treatment quenching lift system, this system uses at caterpillar track section forging waste heat quenching field, caterpillar track section directly drops into the cooling medium cooling under the uniform temperature and obtains the quenching tissue, can save a quenching heating process, the forging that waste heat quenching was handled is with low costs, efficient.

The discharged caterpillar link of the net chain transfer conveyor falls into the upper-section inclined chute, the inclined bottom plate along the upper-section inclined chute slides onto the bottom plate of the lower-section direction-changing inclined chute, the inclined bottom plate is changed to the direction through the lower-section direction-changing inclined chute, the inclined bottom plate along the lower-section direction-changing inclined chute slides to the feeding side of the quenching section, the feeding is smooth, the impact of the caterpillar link and quenching oil is reduced to be very small, and the quenching oil is prevented from splashing.

The temperature of quenching oil in the quenching tank is effectively controlled, and the product quality is ensured.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

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

FIG. 2 is a schematic diagram of an internal structure of a quenching tank according to a first embodiment of the present invention;

fig. 3 is a schematic structural view of a splash-proof feed inlet in the first embodiment of the present invention;

FIG. 4 is a schematic view of the internal structure of a quenching tank in a second embodiment of the present invention;

FIG. 5 is a schematic view of the internal structure of a quenching tank in the third embodiment of the present invention;

in the figure: 1. the quenching device comprises a quenching tank 2, a chain type mesh belt lifting conveyor 3, a splash-proof feeding port 3.1, an upper section inclined slide pipe 3.2, a lower section direction-changing inclined slide pipe 4, a splash-proof cover plate 5, a mesh chain transfer conveyor 6, a bearing basket 7, a roundabout electric heater 8, a heat exchange circulating pump 9, a filter 10, a two-position three-way battery valve 11, a first oil return pipe 12, a second oil return pipe 13, a radiating fin 14, a radiating fan 15, a temperature sensor 16 and a controller.

Detailed Description

The invention will be further described with reference to the accompanying drawings:

the present invention is further illustrated by the following specific examples, which are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included within the scope of the present invention.

Examples

As shown in fig. 1-3, the track link heat treatment quenching lifting system comprises a mesh chain transfer conveyor 5, a quenching tank 1, a bearing basket 6, and a splash-proof feed inlet 3 and a chain mesh belt lifting conveyor 2 arranged in the quenching tank 1, wherein the chain mesh belt lifting conveyor 2 comprises a horizontal quenching section, a lifting section arranged obliquely, and a horizontal output section, and is used for lifting the track link from the quenching tank 1 to a high position and discharging the track link out of the quenching tank 1, a splash-proof cover plate 4 is arranged above the quenching section, the splash-proof cover plate 4 is buckled at the top of the quenching tank 1, the lifting section penetrates out of a gap between the splash-proof cover plate 4 and the quenching tank 1, the splash-proof feed inlet 3 is fixed on the front side wall of the quenching tank 1, the feed side of the splash-proof cover plate 4 extends to the outer side of the quenching tank 1 and is butt jointed with the mesh chain transfer conveyor 5, and the splash-proof feed inlet 3 receives the discharge of the mesh chain transfer conveyor 5, the feeding side of the quenching section corresponds to the discharging side of the splash-proof feeding port 3, the discharging side of the output section is provided with a bearing charging basket 6 in a butt joint mode, the bearing charging basket 6 is used for bearing the discharging of the output section, the system is applied to the field of chain track section forging waste heat quenching, a cooling medium is directly put into a chain track section at a certain temperature for cooling to obtain a quenching tissue, a quenching heating process can be omitted, the cost of a forged piece subjected to waste heat quenching treatment is low, the efficiency is high, the chain track section is transferred to the feeding side of a net chain transfer conveyor 5 after blanking, intermediate frequency heating and forging, the time for cooling is adjusted by controlling the rotating speed of the net chain transfer conveyor 5, the temperature of the chain track section is detected by a temperature measuring gun at the discharging side of the net chain transfer conveyor 5 so as to control the tank-entering temperature of the chain track section to be quenched, the chain track section discharged by the net chain transfer conveyor 5 falls into an upper inclined chute 3.1, and slides onto a bottom plate of a lower inclined chute 3.2 along a direction-changed upper inclined chute 3.1, the chain type mesh belt lifting conveyor 2 is composed of a horizontal quenching section, a lifting section which is obliquely arranged and a horizontal output section, is used for lifting the chain track section from the quenching tank 1 to a high position and discharging the chain track section out of the quenching tank 1, and the chain track section sent out by the chain type mesh belt lifting conveyor 2 falls into a bearing material basket 6 to finish forging and quenching waste heat of the chain track section.

Preferably, the splash-proof feed inlet 3 comprises an upper section inclined chute 3.1, the bottom end of the upper section inclined chute 3.1 is connected with a lower section direction-changing inclined chute 3.2, the top of the upper section inclined chute 3.1 is an input port, the bottom end of the upper section inclined chute 3.1 is an output port, the upper section inclined chute 3.1 and the lower section direction-changing inclined chute 3.2 are obliquely arranged relative to the horizontal plane, the transmission direction of the upper section inclined chute 3.1 is consistent with the transmission direction of the quenching section, the transmission direction of the lower section direction-changing inclined chute 3.2 is perpendicular to the transmission direction of the quenching section, the input port of the upper section inclined chute 3.1 receives the discharge of the mesh chain transfer conveyor 5, the output port is positioned above the quenching section, the feeding side of the quenching section receives the output port of the lower section direction-changing inclined chute 3.2, the upper section inclined chute 3.1 of a chain track section discharged by the mesh chain transfer conveyor 5 falls into the inclined chute 3.1 of the lower section inclined chute 3.2 inclined chute along the inclined chute 3.1, the quenching oil is redirected by a lower section redirection inclined chute 3.2 and slides to the feeding side of the quenching section along the lower section redirection inclined chute 3.2, so that feeding is smooth, the impact of the caterpillar link and the quenching oil is reduced to be small, and the quenching oil is prevented from splashing;

preferably, the inclined angle between the upper section inclined chute 3.1 and the horizontal plane is 30 degrees; the inclination angle between the lower section of the steering inclined chute 3.2 and the horizontal plane is 45 degrees, the inclination angle is adjusted as required, so that smooth feeding is ensured, the impact between the caterpillar track section and quenching oil is reduced to be small, and the quenching oil is prevented from splashing;

preferably, the chain type mesh belt lifting conveyor 2 is characterized in that a speed reduction motor arranged at an output section drives a driving roller to rotate, the driving roller drives a chain type mesh belt to rotate, a partition plate which is perpendicular to the conveying direction and used for preventing materials from sliding downwards is arranged on a chain type mesh belt of the chain type mesh belt lifting conveyor 2, the chain type mesh belt lifting conveyor 2 is of an existing structure and is beneficial to discharging quenching oil, oil liquid discharged from the output section falls back into the quenching tank 1, and excessive oil is prevented from being discharged out of the quenching tank 1;

preferably, the net chain transfer conveyor 5 comprises a conveyor belt, the front end and the rear end of the conveyor belt are respectively sleeved on a transmission roller, the transmission roller is connected with a driving device, the conveyor belt is a metal net chain, and horizontal conveyor belt brackets are arranged on the left side and the right side of the conveyor belt; the two driving rollers are respectively arranged at the front end and the rear end of the conveyor belt bracket, the conveyor belt bracket is of an existing structure, and the conveyor belt is a metal mesh chain and is beneficial to heat dissipation; the partition plate is formed by processing angle steel, and the processing is simple; the bearing charging basket 6 is a metal charging basket with an opening at the top, the outer wall of the bearing charging basket is provided with lightening holes, and the top of the bearing charging basket is provided with lifting lugs, so that the cost is low;

example two

As shown in fig. 1 to 3, the difference from the first embodiment is that: still including being located the zone of heating in quenching groove 1, the zone of heating is in splashproof feed inlet 3, the region that chain formula guipure promotes conveyer 2 and quenching groove 1 enclose, and this region embeds has circuitous electric heater 7, and quenching groove 1 is close to and installs temperature sensor 15 on the inner wall of chain formula guipure promotion conveyer 2, installs controller 16 on the outer wall, still is located quenching groove 1 outside including heat transfer circulating pump 8, filter 9, two-position three-way battery valve 10, first time oil pipe 11, second time oil pipe 12, fin 13 and radiator fan 14, radiator fan 14 is fixed and is directly blown fin 13 on fin 13, cools down fin 13, and oil inlet pipe is connected to the oil inlet of two-position three-way battery valve 10, and oil inlet pipe runs through quenching groove 1 lateral wall and extends to in quenching groove 1, and it has heat transfer circulating pump 8 and filter 9 to establish ties on the oil inlet pipe, first oil-out and second oil-out of two-position three-way battery valve 10 are connected first time oil pipe 11 and second time oil pipe 11 respectively and second time oil-out The quenching device comprises a pipe 12, a first oil return pipe 11 and a second oil return pipe 12 which are communicated with the inner cavity of a quenching tank 1 through a main oil return pipe, wherein an oil outlet of the main oil return pipe and an inlet of an oil inlet pipe are arranged at intervals along the length direction of a roundabout electric heater 7, a temperature sensor 15 is electrically connected with an analog input port of a controller 16, the roundabout electric heater 7, a heat exchange circulating pump 8, a two-position three-way battery valve 10 and a cooling fan 14 are electrically connected with an output port of the controller 16, the controller 16 is a PLC (programmable logic controller), quenching oil in the quenching tank 1 is usually controlled to be 40-80 ℃, when the temperature sensor 15 detects that the temperature is lower than the temperature, the roundabout electric heater 7 and the heat exchange circulating pump 8 are controlled to be started through the controller 16, and meanwhile, the two-position three-way battery valve 10 is communicated with the first oil return pipe 11 and a filter 9 to heat the quenching oil and filter the quenching oil; when the temperature sensor 15 detects that the temperature rises to a proper temperature range, the roundabout electric heater 7 is closed, the net chain transfer conveyor 5 and the chain type net belt lifting conveyor 2 are started, and the quenching operation is started on the chain track section; along with the long-time operation, the temperature of the quenching oil is further raised by the caterpillar track section, when the temperature sensor 15 detects that the temperature is higher than the proper temperature, the two-position three-way battery valve 10 is communicated with the second oil return pipe 12, and meanwhile, the heat radiation fan 14 is started to radiate the heat radiation fins 13, so that the purpose of reducing the temperature of the quenching oil is achieved;

EXAMPLE III

As shown in fig. 5, the difference from the first embodiment is that: the sections of the upper-section inclined chute 3.1 and the lower-section direction-changing inclined chute 3.2 perpendicular to the length direction are rectangular, quenching oil is filled in the quenching tank 1, and liquid-permeable holes are uniformly formed in the side walls and the top walls of the upper-section inclined chute 3.1 and the lower-section direction-changing inclined chute 3.2 below the liquid level of the quenching oil, so that the temperature consistency in the quenching tank 1 is facilitated.

The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a caterpillar link heat treatment quenching lift system which characterized in that: including net chain transfer conveyor (5), quenching groove (1), the material basket (6) of bearing that put in proper order and be located and quench and install splashproof feed inlet (3) and chain formula guipure promotion conveyer (2) in groove (1), chain formula guipure promotion conveyer (2) comprises the promotion section and the horizontally output section that the section, slant set up of quenching were quenched to the horizontally section of quenching, is used for promoting the caterpillar link to the eminence and discharge outside quenching groove (1) from quenching groove (1), quenching section top has splashproof apron (4), splashproof apron (4) lock is at quenching groove (1) top, and the promotion section is worn out in the clearance between splashproof apron (4) and quenching groove (1), and splashproof feed inlet (3) are fixed on the preceding lateral wall of quenching groove (1), and its feed side runs through splashproof apron (4) and extends to quenching groove (1) outside butt joint and installs net chain transfer conveyor (5), the net chain is accepted in splashproof feed inlet (3) and is transported the conveyer (5) ejection of compact, and the feed side of quenching section corresponds the discharge side of splashproof feed inlet (3), the discharge side butt joint of output section is installed and is born basket (6), bears basket (6) and accepts the output section ejection of compact.

2. The track link heat treatment quenching lifting system of claim 1, wherein: splashproof feed inlet (3) are including the oblique elephant trunk of upper segment (3.1), the bottom of the oblique elephant trunk of upper segment (3.1) is connected with the hypomere and changes to oblique elephant trunk (3.2), the top of the oblique elephant trunk of upper segment (3.1) is the input port, the bottom of the oblique elephant trunk of upper segment (3.1) is the delivery outlet, and the oblique elephant trunk of upper segment (3.1) and hypomere change to oblique elephant trunk (3.2) homogeneous phase and set up for the horizontal plane slope, and the transmission direction of the oblique elephant trunk of upper segment (3.1) is unanimous with the transmission direction of the section of quenching, changes to the transmission direction of the oblique elephant trunk of hypomere (3.2) and is mutually perpendicular with the transmission direction of the section of quenching, and the oblique elephant trunk of upper segment (3.1) input port net chain conveyor (5) ejection of compact is accepted to the delivery outlet, and the delivery outlet that the lower segment was accepted to the feeding side of quenching the delivery outlet of accepting the oblique elephant trunk (3.2).

3. The track link heat treatment quenching lifting system of claim 2, wherein: the inclination angle between the upper-section inclined chute (3.1) and the horizontal plane is 25-45 degrees; the inclination angle between the lower section redirection inclined chute (3.2) and the horizontal plane is 25-45 degrees.

4. The track link heat treatment quenching lifting system of claim 3, wherein: the chain type mesh belt lifting conveyor (2) is characterized in that a driving roller is driven to rotate by a speed reducing motor arranged at an output section, the driving roller drives a chain type mesh belt to rotate, and a partition plate which is perpendicular to the conveying direction and used for avoiding downward sliding of materials is arranged on the chain type mesh belt of the chain type mesh belt lifting conveyor (2).

5. The track link heat treatment quenching lifting system of claim 4, wherein: the net chain transfer conveyor (5) comprises a conveyor belt, the front end and the rear end of the conveyor belt are respectively sleeved on a transmission roller, the transmission roller is connected with a driving device, the conveyor belt is a metal net chain, and horizontal conveyor belt supports are arranged on the left side and the right side of the conveyor belt; two the driving roller is located respectively both ends around the conveyer belt support, for current structure, the conveyer belt does benefit to the heat dissipation for the metal mesh chain.

Images