Machining center capable of preventing heat from being discharged outside and machining method

Abstract

The invention discloses a machining center and a machining method for preventing heat from being discharged outside, and belongs to the technical field of high-temperature alloy machining. The machining center capable of preventing heat from being discharged out comprises a shell, a cutting strip is arranged at the lower end of a supporting table, drainage cavities are formed in the two sides of the cutting strip, and a pair of cooling-water machines is arranged on the other side of the rear end of the shell. The problems that in the machining process of an existing vertical machining center, re-machining can only be conducted after materials are recovered and the temperature is reduced, and the whole machining efficiency is low are solved, the temperature of contact gas liquid is reduced through the cooling-water machine, low-temperature gas can make contact with the high-temperature alloy machining position, and the machining efficiency is improved. And the low-temperature gas can be stably transmitted into the cutter disc and cools the cutters in the cutter disc, and helium is transmitted in the gas when the low-temperature gas is circularly used for cooling, so that the heat absorption and release effects are further improved.

Description

Technical Field

[0001] The invention relates to the technical field of high-temperature alloy processing, in particular to a processing center and a processing method for preventing heat from being discharged to the outside. Background Art

[0002] The high-temperature alloy vertical machining center is an advanced machine tool designed specifically for processing high-temperature resistant alloy materials. It adopts a vertical layout, is equipped with a high-precision spindle and powerful cutting capabilities, and can cope with the high hardness, high toughness and difficult processing of high-temperature alloy materials. The center integrates advanced CNC systems, automatic tool changing devices and cooling systems to ensure that the processing process is stable, efficient and precise.

[0003] A Chinese patent with publication number CN213438448U discloses a vertical machining center for preparing high-strength alloys, including a first motor and a second motor. Two rotating shafts are respectively provided on both sides of a fixed cavity. Slide blocks are sleeved on the outside of the four rotating shafts. The four rotating shafts are driven by the first motor and the second motor to rotate simultaneously, thereby driving the first clamping frame and the second clamping frame of the two movable plates to move toward the middle at the same time. The first clamping frame and the second clamping frame are used to clamp alloy plates of different lengths, so that different positions of the alloy plates can be processed without repositioning. The operation is simple and the practicability is strong.

[0004] During the processing of the vertical machining center of the above patent, the heat dissipation capacity of the processed material is weak. The processed material will generate heat during processing. After the material is overheated, the processing needs to be stopped and the material needs to be recovered and the temperature lowered before it can be processed again. The overall processing efficiency is low. Summary of the invention

[0005] The purpose of the present invention is to provide a machining center and a machining method that prevent heat from being discharged to the outside. The temperature of the contact gas liquid is reduced by a chiller, and the low-temperature gas is allowed to contact the high-temperature alloy processing position. The low-temperature gas will be stably transmitted to the inside of the tool disk and cool the tools inside the tool disk. When the low-temperature gas is circulated for cooling, helium is transmitted in the gas to further improve the heat absorption and heat release effect, thereby solving the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a machining center for preventing heat from being discharged to the outside, comprising a shell, a support platform is arranged in the middle of the inside of the shell, a dividing strip is arranged at the lower end of the support platform, drainage cavities are arranged on both sides of the dividing strip, a pair of chillers are arranged on the other side of the rear end of the shell, a fourth gas transmission pipe is arranged in the middle position of the rear end of the shell, a fifth gas transmission pipe is arranged on one side of the fourth gas transmission pipe, a first gas tank is arranged on one side of the upper end of the shell, helium is arranged inside the first gas tank, a tool disk is arranged on the other side of the front end of the shell, a second gas transmission pipe is arranged between the upper end of the tool disk and one end of the fourth gas transmission pipe, the liquid outside the dividing strip is cooled by the chiller, and the gas is transmitted to the low-temperature liquid, so that the circulating gas can continuously maintain a low temperature and continuously and efficiently contact the heat-generating position.

[0007] Preferably, the first gas tank and the second gas transmission pipe are sealed and connected via a third gas transmission pipe, the rear end inside the shell and the front end inside the shell are sealed and connected via the first gas transmission pipe, a second gas tank is arranged on one side of the first gas tank, oxygen is arranged inside the second gas tank, and the helium inside the first gas tank can be transmitted to the inside of the second gas transmission pipe through the third gas transmission pipe, so that the helium can be transmitted to the circulating gas.

[0008] Preferably, the fourth gas transmission pipe passes through the dividing strip and extends to the upper end of the dividing strip, and the fifth gas transmission pipe extends to the lower end of the dividing strip. The gas is transmitted by the fourth gas transmission pipe and the fifth gas transmission pipe, so that the gas can be transmitted to the upper and lower ends of the outside of the dividing strip respectively.

[0009] Preferably, a first transmission frame is provided on the other side of the outside of the tool disc, a second transmission frame is sealed on the other side of the first transmission frame, a connecting cavity is arranged around the first transmission frame and the tool disc, the gas transmitted from the second transmission frame is transported to the inside of the first transmission frame, and the gas inside the first transmission frame will flow into the inside of the tool disc after being diverted through the connecting cavity.

[0010] Preferably, a baffle is provided for sealing the lower end of the outside of the tool disc, and a threaded rod with threaded fit is provided on the other side of the tool disc. When the tool is replaced, the baffle can be moved laterally to expose the lower end of the tool disc.

[0011] Preferably, a front sealing cover is slidably provided at the front end of the outer shell, an upper sealing cover is provided at the upper end of the outer shell, and the lower end of the upper sealing cover is sealedly connected to the upper end of the outer shell and the upper end of the front sealing cover, and the high-temperature alloy processing position can be sealed by moving the front sealing cover and the upper sealing cover.

[0012] Preferably, a solenoid valve is provided between the fifth gas transmission pipe and the fourth gas transmission pipe, and the position of gas transmission can be adjusted by starting the solenoid valve, so that the gas can be transmitted toward the fifth gas transmission pipe and the fourth gas transmission pipe respectively.

[0013] Preferably, temperature sensors are provided at both upper and lower ends of the exterior of the dividing strip, and the temperature sensors are electrically connected to the electromagnetic valve between the fourth gas transmission pipe and the fifth gas transmission pipe. The temperature of the liquid at the upper and lower ends of the exterior of the dividing strip is detected by the temperature sensors. When the liquid temperature at the detection position is higher, the transmission position of the fifth gas transmission pipe and the fourth gas transmission pipe can be replaced.

[0014] The processing method for preventing heat from being discharged to the outside includes the following steps:

[0015] Step 1: Pull the front sealing cover to move it to the front end of the housing;

[0016] Step 2: The water chiller is started by extracting liquid from the upper and lower positions outside the dividing strip through the second liquid transmission pipe. The liquid extracted by the second liquid transmission pipe has its temperature lowered, and the lowered temperature is transmitted again to the extraction position of the second liquid transmission pipe;

[0017] Step 3: The fan at one end of the fourth gas transmission pipe is started to extract the gas in the area wrapped by the outer shell, the upper sealing cover and the front sealing cover, and the gas discharged from the fourth gas transmission pipe and the fifth gas transmission pipe will contact the cryogenic liquid;

[0018] Step 4: lower the temperature of the gas, so that the low-temperature gas is extracted by the fan at one end of the first gas transmission pipe, the low-temperature gas is extracted by the fan at one end of the second transmission frame, and the gas inside the first transmission frame is diverted through the connecting cavity and then transmitted to the tool disk;

[0019] Step 5: Low-temperature gas enters the tool disc and lowers the tool inside the tool disc. The gas is transmitted by the second gas transmission pipe and is extracted again before being transmitted to the vicinity of the dividing strip.

[0020] Step 6: Activate the solenoid valve between the first gas tank and the third gas transmission pipe. The activation of the solenoid valve can transfer the helium stored in the first gas tank to the second gas transmission pipe through the third gas transmission pipe.

[0021] Step 7. Open the three valves and adjust the direction of gas transmission. The gas transmitted inside the second gas transmission pipe will be directly discharged to the outside of the vertical machining center. Start the solenoid valve between the second gas tank and the outer shell, so that the oxygen stored in the second gas tank is actively transmitted to the outer shell, the upper sealing cover and the front sealing cover wrapping area.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1. The front sealing cover of the present invention can wrap the front end of the shell by lateral movement, and the upper sealing cover can wrap the upper end of the shell by longitudinal movement, so as to achieve sealing and wrapping around the high-temperature alloy. The sealing and wrapping can avoid splashing when the liquid is discharged from the first liquid transmission pipe, so that the liquid can flow from the lower end of the high-temperature alloy to the surrounding of the dividing strip. The liquid at the upper and lower ends of the dividing strip will be extracted through the second liquid transmission pipe and then actively cooled by the chiller. The gas with reduced temperature will contact the gas discharged from the fourth gas transmission pipe and the fifth gas transmission pipe, so that the gas can actively reduce the temperature, and the gas After contacting the high-temperature alloy, it will be independently extracted into the tool disk wrapped by the baffle, and the low-temperature body will be transmitted from the second transmission frame to the first transmission frame, and the gas inside the first transmission frame will be further diverted through the connecting cavity and directly contact the tool inside the tool disk, achieving efficient cooling, independently cooling the tool and the processed material, and the gas will be transmitted from the second gas transmission pipe and contact the low-temperature liquid around the dividing strip again to reduce the temperature again, giving the gas a high-speed flow trajectory, independently cooling the heat-generating position, and cooling the gas that absorbs heat, so that the gas can be recycled.

[0024] 2. When the gas of the present invention circulates at high speed in the area wrapped by the outer shell, the upper sealing cover and the front sealing cover, the first gas tank is filled with helium in advance, and the helium is transmitted to the inside of the second gas transmission pipe by the third gas transmission pipe and circulates with the low-temperature gas in the area wrapped by the outer shell, the upper sealing cover and the front sealing cover. The addition of helium can accelerate the adsorption and discharge of heat, so that heat can be quickly absorbed from the processing material and the tool disk position, and the gas with heat is transmitted to the low-temperature liquid at the upper and lower ends of the dividing strip, and the gas with heat quickly transfers the heat to the low-temperature liquid, and a certain amount of helium is added to the flowing gas to improve the heat dissipation effect. Moreover, by wrapping with the outer shell, the upper sealing cover and the front sealing cover, the use of helium can be reduced, and the user can avoid hypoxia caused by the large amount of helium. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a stereoscopic diagram of the overall external structure of the present invention;

[0026] Figure 2 It is a schematic diagram of the movement trajectory of the front sealing cover and the upper sealing cover of the present invention;

[0027] Figure 3 A cross-sectional view showing the positional relationship of a water chiller according to the present invention;

[0028] Figure 4 A cross-sectional view showing the positional relationship of the dividing strips of the present invention;

[0029] Figure 5 It is a schematic diagram of the position relationship of the baffles of the present invention;

[0030] Figure 6 It is a schematic diagram of the transmission structure of the second gas transmission pipe of the present invention;

[0031] Figure 7 A cross-sectional view of the transmission structure of the fourth gas transmission pipe and the fifth gas transmission pipe of the present invention;

[0032] Figure 8 For the present invention Figure 7 A partial enlarged view of the middle A area;

[0033] Fig. 9 For the present invention Figure 7 A partial enlarged view of area B in the middle.

[0034] In the figure: 1. outer shell; 2. upper sealing cover; 3. front sealing cover; 4. first gas transmission pipe; 5. first liquid transmission pipe; 6. first gas tank; 7. second gas tank; 8. second gas transmission pipe; 9. third gas transmission pipe; 10. chiller; 11. three-way valve; 12. tool plate; 13. first transmission frame; 14. bracket; 15. second transmission frame; 16. second liquid transmission pipe; 17. connecting cavity; 18. dividing strip; 19. threaded rod; 20. fourth gas transmission pipe; 21. fifth gas transmission pipe; 22. solenoid valve; 23. drainage cavity; 24. temperature sensor; 25. baffle. DETAILED DESCRIPTION

[0035] The present invention is further described below in conjunction with specific embodiments.

[0036] Example 1

[0037] like Figure 1 and Figure 2 As shown, the machining center for preventing heat from being discharged to the outside of the embodiment includes a shell 1, a support is arranged in the middle of the shell 1, a filter is arranged inside the support, a first liquid transmission pipe 5 is arranged on one side of the upper end of the support, and the pump connected to one end of the first liquid transmission pipe 5 is used for extraction, so that the liquid directly contacts the machining tool and the high-temperature alloy to be machined and placed on the upper end of the support, and a dividing strip 18 is arranged at the lower end of the support, and the liquid discharged from the first liquid transmission pipe 5 is filtered by the filter and then flows into the upper and lower ends of the outer side of the dividing strip 18;

[0038] In order to facilitate the even division of the liquid and to be located at the upper and lower ends of the dividing strip 18, as Figure 7 , Figure 8 and Fig. 9 As shown, drainage cavities 23 are provided on both sides of the dividing strip 18. When there is excess liquid in one of the upper and lower ends of the dividing strip 18, the excess liquid is diverted through the drainage cavity 23 so that the liquid is evenly distributed at the upper and lower ends of the dividing strip 18.

[0039] Among them, Figure 3 and Figure 4 As shown, a pair of chillers 10 are provided on the other side of the rear end of the housing 1, and the water inlets and outlets of the two chillers 10 are provided with second liquid transmission pipes 16, and the two sets of second liquid transmission pipes 16 extend into the upper and lower ends of the dividing strip 18 respectively, and independently cool the liquid at the upper and lower ends of the dividing strip 18;

[0040] In addition, a fourth gas transmission pipe 20 is provided at the middle position of the rear end of the housing 1, and the fourth gas transmission pipe 20 penetrates the dividing strip 18 and extends to the upper end of the dividing strip 18. A fifth gas transmission pipe 21 is provided on one side of the fourth gas transmission pipe 20, and the fifth gas transmission pipe 21 extends to the lower end of the dividing strip 18. The air can be extracted by the fourth gas transmission pipe 20 and the fifth gas transmission pipe 21, respectively, and transmitted to different positions at the upper and lower ends of the outer side of the dividing strip 18. The fourth gas transmission pipe 20 and the fifth gas transmission pipe 21 can adjust the gas transmission position to replace the gas in contact with the liquid at different positions;

[0041] In order to quickly increase the absorption of heat and quickly reduce the temperature of materials and tools, a first gas tank 6 is provided on one side of the upper end of the outer shell 1, and a second gas tank 7 is provided on one side of the first gas tank 6. Helium is provided inside the first gas tank 6, which is transmitted to the inside of the outer shell 1 and rotated with the flow of gas. Helium can improve the heat absorption effect during the gas extraction cycle, and the improvement of the heat absorption effect can improve the heat dissipation effect of the gas contact position. Oxygen is provided inside the second gas tank 7. When helium circulates inside the equipment, heat is quickly absorbed, and helium can cause hypoxia to operators around the equipment. When the front end of the outer shell 1 is opened, oxygen is supplemented to the inside of the outer shell 1 through the second gas tank 7 to improve the safety of the equipment when in use.

[0042] Among them, the rear end of the shell 1 and the front end of the shell 1 are sealed and connected through the first gas transmission pipe 4, and a tool disk 12 is arranged on the other side of the front end of the shell 1. A second gas transmission pipe 8 is arranged between the upper end of the tool disk 12 and one end of the fourth gas transmission pipe 20. After the hot gas flows into the inside of the tool disk 12, a three-way valve 11 is arranged between one end of the second gas transmission pipe 8 and the fourth gas transmission pipe 20. The three-way valve 11 can adjust the transmission position of the gas. The gas transmitted at the position of the first gas transmission pipe 4 will actively discharge the internal helium after the three-way valve 11 adjusts the gas transmission direction;

[0043] The first gas tank 6 and the second gas transmission pipe 8 are sealed and connected via a third gas transmission pipe 9, and the helium in the second gas tank 7 is transmitted to the circulating gas via the third gas transmission pipe 9;

[0044] In addition, a first transmission frame 13 is disposed on the other side of the tool disc 12, and a second transmission frame 15 is sealedly disposed on the other side of the first transmission frame 13. Figure 3 , Figure 4 and Figure 5 As shown, a connecting cavity 17 is arranged around the first transmission frame 13 and the tool disk 12. The gas transmitted by the first gas transmission pipe 4 flows into the first transmission frame 13 from the second transmission frame 15 after being extracted, and can evenly contact the tools inside the tool disk 12 after being diverted by the connecting cavity 17;

[0045] In order to facilitate the processing of high-temperature alloys, it is convenient to adjust the tools according to different processing requirements, such as Figure 5 As shown, a baffle 25 is provided at the lower end of the outside of the tool disk 12, and the upper end of the outside of the baffle 25 is sealed and connected to the lower end of the outside of the tool disk 12. When replacing the tool, the baffle 25 slides horizontally. A threaded rod 19 is provided on the other side of the tool disk 12, and the outside of the threaded rod 19 cooperates with the internal thread of the baffle 25. The four corners of the outside of the threaded rod 19 are provided with sliding rods for restriction. After the rotation of the threaded rod 19 and the restriction of the sliding rod, the baffle 25 is converted from rotational motion to lateral linear motion.

[0046] In order to improve the stability of the baffle 25 when it moves horizontally, brackets 14 are provided at both the front and rear ends of the baffle 25. The brackets 14 support the threaded rod 19 and the sliding rod to facilitate the transmission of the baffle 25, thereby improving the stability of the baffle 25 when it moves horizontally.

[0047] In order to reduce the service life of helium, Figure 1 , Figure 2 and Figure 6 As shown, a front sealing cover 3 is provided at the front end of the outer shell 1, and the lower end of the front sealing cover 3 is slidably connected with the front end of the outer shell 1, and an upper sealing cover 2 is provided at the upper end of the outer shell 1, and the lower end of the upper sealing cover 2 is sealedly connected with the upper end of the outer shell 1 and the upper end of the front sealing cover 3. After the front sealing cover 3 slides horizontally to the front end of the support platform, the upper sealing cover 2 slides longitudinally to wrap the upper end of the support platform, which can fully seal the high-temperature alloy processing environment and prevent helium from being exposed during processing;

[0048] In order to facilitate the adjustment of the transmission direction of the gas, a solenoid valve 22 is provided between the fifth gas transmission pipe 21 and the fourth gas transmission pipe 20, a solenoid valve 22 is provided between the exhaust position of the first gas tank 6 and the connection position of the third gas transmission pipe 9, and a solenoid valve 22 is provided between the exhaust position of the second gas tank 7 and the connection position of the first gas transmission pipe 4. The solenoid valve 22 can adjust the transmission direction of the gas, and is also convenient for sealing the first gas tank 6 and the second gas tank 7, so as to facilitate the transmission and discharge of the gas inside the first gas tank 6 and the second gas tank 7;

[0049] A fan is provided between the fourth gas transmission pipe 20 and the three-way valve 11, a fan is provided at one end of the first gas transmission pipe 4, and a fan is provided at one end of the second transmission frame 15. The start-up of the fan can extract gas, so that the gas circulates in the wrapped area of ​​the housing 1, the upper sealing cover 2 and the front sealing cover 3;

[0050] Example 2

[0051] In order to facilitate the adjustment of the gas contact with the liquid at the upper and lower ends of the outer part of the dividing strip 18, temperature sensors 24 are provided at the upper and lower ends of the outer part of the dividing strip 18, and the temperature sensor 24 is electrically connected to the electromagnetic valve 22 between the fourth gas transmission pipe 20 and the fifth gas transmission pipe 21. After the temperature sensor 24 detects that the temperature of the corresponding area is higher, the electromagnetic valve 22 is started to adjust the flow direction of the gas, so that the high-temperature gas can continuously contact the low-temperature liquid.

[0052] A processing method for a processing center that prevents heat from being discharged to the outside includes the following steps:

[0053] Step 1: Place the high-temperature alloy material to be processed on the support platform at the lower end of the first liquid transmission pipe 5, pull the front sealing cover 3 to slide horizontally, move the front sealing cover 3 to the front end of the shell 1, start the hydraulic telescopic rod between the lower end of the upper sealing cover 2 and the upper end of the shell 1, and the upper sealing cover 2 moves longitudinally downward and wraps around the upper end of the shell 1;

[0054] Step 2, start the chiller 10. The chiller 10 can be started by extracting liquid from the upper and lower positions outside the dividing strip 18 through the second liquid transmission pipe 16, extracting the liquid and transmitting it to the inside of the chiller 10. The compressor inside the chiller 10 compresses the refrigerant into a high-temperature and high-pressure gas, which then dissipates heat in the condenser and becomes a high-pressure liquid refrigerant. After the expansion valve reduces the pressure, the refrigerant enters the evaporator, where it absorbs the heat of the surrounding liquid, causing the liquid extracted by the second liquid transmission pipe 16 to reduce its temperature, and the reduced temperature is again transmitted to the extraction position of the second liquid transmission pipe 16;

[0055] Step 3: The fan at one end of the fourth gas transmission pipe 20 is started to extract gas from the area wrapped by the housing 1, the upper sealing cover 2 and the front sealing cover 3. The gas passes through the solenoid valve 22 to adjust the gas transmission direction, and the gas is adjusted to be transmitted toward the fourth gas transmission pipe 20 or the fifth gas transmission pipe 21. The gas discharged from the fourth gas transmission pipe 20 and the fifth gas transmission pipe 21 will contact the cryogenic liquid.

[0056] Step 4: lower the temperature of the gas, so that the low-temperature gas is extracted by the fan at one end of the first gas transmission pipe 4, extracted and transmitted to the surrounding of the high-temperature alloy processing position, and the low-temperature gas is extracted by the fan at one end of the second transmission frame 15, extracted and transmitted to the inside of the first transmission frame 13, and the gas inside the first transmission frame 13 is diverted through the connecting cavity 17 and then transmitted to the tool disc 12;

[0057] Step 5: The low-temperature gas enters the tool disk 12 and lowers the temperature of the tool inside the tool disk 12. After the temperature of the tool is lowered, the gas is transmitted by the second gas transmission pipe 8 and is extracted again and then transmitted to the vicinity of the dividing strip 18;

[0058] Step 6: During the gas circulation transmission process, the solenoid valve between the first gas tank 6 and the third gas transmission pipe 9 is activated. The activation of the solenoid valve can transfer the helium stored in the first gas tank 6 from the third gas transmission pipe 9 to the second gas transmission pipe 8, so that the low-temperature gas and the helium are synchronously circulated as the fan extracts them;

[0059] Step 7. When taking out the high-temperature alloy, the three-way valve 11 is opened and the gas transmission direction is adjusted. The gas transmitted inside the second gas transmission pipe 8 will be directly discharged to the outside of the vertical machining center, and the solenoid valve between the second gas tank 7 and the outer shell 1 is started, so that the oxygen stored in the second gas tank 7 is actively transmitted to the outer shell 1, the upper sealing cover 2 and the front sealing cover 3. The replenishment of oxygen can avoid accidents caused by lack of oxygen for the operator.

[0060] Working principle: The high-temperature alloy is placed on the support table, and the gas extracted by the fan is transmitted to the low-temperature liquid at the position of the dividing strip 18 through the fourth gas transmission pipe 20. The gas is extracted after the temperature is reduced and transmitted to the support table through the first gas transmission pipe 4. After contacting the support table, the gas is extracted and transmitted to the second transmission frame 15. The gas inside the second transmission frame 15 is transmitted to the first transmission frame 13 and enters the tool disc 12. The gas inside the tool disc 12 contacts the stored tools, and the gas is transmitted to the second gas transmission pipe 8 and extracted by the fan again and transmitted to the dividing strip 18.

[0061] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0062] While the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.

Claims

1. A machining center for preventing heat from being discharged to the outside, comprising a housing (1) with a support platform arranged in the middle thereof, characterized in that: A dividing strip (18) is provided at the lower end of the support platform, and drainage cavities (23) are provided on both sides of the dividing strip (18). A pair of chillers (10) are provided on the other side of the rear end of the shell (1). A fourth gas transmission pipe (20) is provided at the middle position of the rear end of the shell (1), and a fifth gas transmission pipe (21) is provided on one side of the fourth gas transmission pipe (20). A first gas tank (6) is provided on one side of the upper end of the shell (1), and a tool disc (12) is provided on the other side of the front end of the shell (1), and a second gas transmission pipe (8) is provided between the upper end of the tool disc (12) and one end of the fourth gas transmission pipe (20).

2. The machining center for preventing heat from being discharged to the outside according to claim 1, characterized in that: The first gas tank (6) and the second gas transmission pipe (8) are sealedly connected via a third gas transmission pipe (9), the rear end of the shell (1) and the front end of the shell (1) are sealedly connected via the first gas transmission pipe (4), a second gas tank (7) is arranged on one side of the first gas tank (6), and oxygen is arranged inside the second gas tank (7).

3. The machining center for preventing heat from being discharged to the outside according to claim 1, characterized in that: The fourth gas transmission pipe (20) passes through the dividing strip (18) and extends to the upper end of the dividing strip (18), and the fifth gas transmission pipe (21) extends to the lower end of the dividing strip (18).

4. The machining center for preventing heat from being discharged to the outside according to claim 1, characterized in that: A first transmission frame (13) is arranged on the other side of the tool disc (12), a second transmission frame (15) is sealedly arranged on the other side of the first transmission frame (13), and a connecting cavity (17) is arranged around the first transmission frame (13) and the tool disc (12).

5. The machining center for preventing heat from being discharged to the outside according to claim 4, characterized in that: A baffle (25) is provided at the lower end of the outside of the tool disc (12) for sealing, and a threaded rod (19) with threaded fit is provided at the other side of the tool disc (12).

6. The machining center for preventing heat from being discharged to the outside according to claim 1, characterized in that: A front sealing cover (3) is slidably provided at the front end of the outer shell (1), an upper sealing cover (2) is provided at the upper end of the outer shell (1), and the lower end of the upper sealing cover (2) is sealedly connected to the upper end of the outer shell (1) and the upper end of the front sealing cover (3).

7. The machining center for preventing heat from being discharged to the outside according to claim 1, characterized in that: A solenoid valve (22) is provided between the fifth gas transmission pipe (21) and the fourth gas transmission pipe (20).

8. The machining center for preventing heat from being discharged to the outside according to claim 7, characterized in that: Temperature sensors (24) are provided at both upper and lower ends of the exterior of the dividing strip (18), and the temperature sensor (24) is electrically connected to the electromagnetic valve (22) between the fourth gas transmission pipe (20) and the fifth gas transmission pipe (21).

9. A processing method for preventing heat from being discharged to the outside, implemented based on the processing center for preventing heat from being discharged to the outside according to any one of claims 1 to 8, characterized in that: The steps include: Step 1: Pull the front sealing cover (3) to move the front sealing cover (3) to the front end of the housing (1); Step 2: The water chiller (10) is started by extracting liquid from two upper and lower positions outside the dividing strip (18) through the second liquid transmission pipe (16), the liquid extracted by the second liquid transmission pipe (16) is cooled, and the cooled liquid is again transmitted to the extraction position of the second liquid transmission pipe (16); Step 3: The fan at one end of the fourth gas transmission pipe (20) is started to extract the gas in the area wrapped by the housing (1), the upper sealing cover (2) and the front sealing cover (3), and the gas discharged from the fourth gas transmission pipe (20) and the fifth gas transmission pipe (21) contacts the cryogenic liquid; Step 4: Low-temperature gas is extracted by the fan at one end of the first gas transmission pipe (4), and the low-temperature gas is extracted by the fan at one end of the second transmission frame (15). The gas inside the first transmission frame (13) is diverted through the connecting cavity (17) and then transmitted to the tool disc (12); Step 5: Low-temperature gas enters the inside of the cutter disc (12) and lowers the cutter inside the cutter disc (12); the gas is transmitted by the second gas transmission pipe (8) and is extracted again before being transmitted to the vicinity of the dividing strip (18); Step 6: activating the solenoid valve between the first gas tank (6) and the third gas transmission pipe (9), so that the activation of the solenoid valve causes the helium stored in the first gas tank (6) to be transmitted from the third gas transmission pipe (9) to the second gas transmission pipe (8); Step 7: The three valves (11) are opened and the direction of gas transmission is adjusted. The gas transmitted inside the second gas transmission pipe (8) is discharged to the outside of the vertical machining center. The solenoid valve between the second gas tank (7) and the outer shell (1) is started, and the oxygen stored in the second gas tank (7) is actively transmitted to the outer shell (1), the upper sealing cover (2) and the front sealing cover (3) wrapped area.

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