CN115537521B

CN115537521B - Pressure quenching mechanism capable of automatically adjusting quenching pressure and flow for pressure quenching of track shoe

Info

Publication number: CN115537521B
Application number: CN202211471335.2A
Authority: CN
Inventors: 郁年根; 郁丽娟
Original assignee: Taizhou Gaoke Industrial Furnace Co ltd
Current assignee: Taizhou Gaoke Industrial Furnace Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-03-21
Anticipated expiration: 2042-11-23
Also published as: CN115537521A

Abstract

The invention relates to the technical field of pressure quenching, in particular to a pressure quenching mechanism capable of automatically adjusting quenching pressure and flow for pressure quenching of a track shoe, which comprises a quenching liquid tank, a lower die holder, an extrusion die holder, a lower liquid tank, an upper liquid tank, an interaction channel, a filter screw sleeve and a gas-liquid communication cavity, wherein the lower die holder is arranged in the quenching liquid tank in a lifting manner, a supporting mechanism with a pressure adjusting function is arranged between the lower die holder and the quenching liquid tank, the extrusion die holder is arranged right above the lower die holder, an extrusion driving mechanism is arranged between the extrusion die holder and the lower die holder, and the upper surface of the lower die holder and the lower surface of the extrusion die holder are both adaptive to the shape of the track shoe; the pressure quenching mechanism provided by the invention can be used for carrying out pressure quenching on the track shoe through the lower die holder and the extrusion die holder, so that the deformation of the track shoe in the quenching process can be reduced, and the extrusion pressure can be flexibly adjusted.

Description

Pressure quenching mechanism capable of automatically adjusting quenching pressure and flow for pressure quenching of track shoe

Technical Field

The invention relates to the technical field of pressure quenching, in particular to a pressure quenching mechanism capable of automatically adjusting quenching pressure and flow for pressure quenching of a track shoe.

Background

The creeper tread is one of chassis parts of engineering machinery, is a vulnerable part of the used engineering machinery, and is commonly used in engineering machinery such as excavators, bulldozers, crawler cranes, pavers and the like, the creeper tread needs to be quenched to improve hardness in production and processing, and the deformation of the creeper tread is large through a traditional quenching mode, so a pressure quenching process is commonly adopted in the prior art along with the technical progress.

Disclosure of Invention

The invention aims to provide a pressure quenching mechanism capable of automatically adjusting quenching pressure and flow for pressure quenching of a track shoe, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a pressure quenching mechanism capable of automatically adjusting quenching pressure and flow for pressure quenching of a track plate comprises a quenching liquid tank, a lower die holder, an extrusion die holder, a lower liquid tank, an upper liquid tank, an interaction channel, a filtering screw sleeve and a gas-liquid communication cavity, wherein the lower die holder is arranged in the quenching liquid tank in a lifting mode, a supporting mechanism with a pressure adjusting function is arranged between the lower die holder and the quenching liquid tank, the extrusion die holder is arranged right above the lower die holder and is matched with the lower die holder through an extrusion driving mechanism, the upper surface of the lower die holder and the lower surface of the extrusion die holder are matched with the shape of the track plate, the lower liquid tank is arranged on the upper surface of the lower die holder, the upper liquid tank is arranged on the lower surface of the extrusion die holder, the lower liquid tank and the upper liquid tank both cover nail holes of the track plate in the extrusion die holder, the lower liquid tank and the two sides of the upper liquid tank are respectively communicated with the interaction channel, the interaction channel is uniformly distributed in a linear array mode, the communication cavity is arranged in the extrusion die holder, the upper liquid tank is communicated with the gas-liquid communication cavity through the filtering screw sleeve, and the external of the gas-liquid tank is provided with an electric control gas-liquid pumping structure with a high-liquid suction structure with a high-liquid cooling function.

The negative pressure liquid pumping structure comprises a liquid pumping pipeline, a metal corrugated pipe, a liquid pumping pump, a liquid pump water outlet pipe, a heat dissipation box, cavity fins, a blower and a return pipeline.

The liquid pumping pipeline is fixedly arranged at the outer surface of the extrusion die holder and is communicated with the gas-liquid communication cavity, the liquid pumping pump is communicated with the liquid pumping pipeline through a metal corrugated pipe, a water outlet of the liquid pumping pump is communicated with a water outlet pipe of the liquid pump, the other end of the water outlet pipe of the liquid pump is communicated with a heat dissipation box, the heat dissipation box is fixedly arranged at the outer wall surface of the quenching liquid tank, the quenching tank is characterized in that cavity fins are arranged inside the heat dissipation tank, quenching liquid in the heat dissipation tank flows through the cavity fins, an air blower is fixedly arranged behind the heat dissipation tank, the lower portion of the heat dissipation tank is fixedly communicated with a backflow pipeline, and the other end of the backflow pipeline is communicated with the position, close to the bottom, inside the quenching liquid tank.

The high-pressure air inlet structure comprises an opening and closing electric control valve and a high-pressure air inlet pipe, the opening and closing electric control valve is embedded and fixed in the extrusion die holder, and the high-pressure air inlet pipe is communicated with the gas-liquid communication cavity through the opening and closing electric control valve.

The supporting mechanism comprises a fixed transverse frame, a positioning support plate, a positioning rod hole, a lifting optical shaft, a limiting end block, a pressure adjusting plate, a supporting pressure spring, a thread adjusting hole, a supporting thread column, a supporting tray, a limiting screwing seat, a screwing seat hole and a lever jack.

The fixed cross frame is fixedly arranged on the surface of the inner wall of the quenching liquid tank, the positioning support plate and the fixed cross frame are fixedly arranged, a positioning rod hole is formed in the surface of the positioning support plate in an up-and-down penetrating mode, a lifting optical axis penetrates through the positioning rod hole, a limiting end block is fixedly arranged on the lower surface of the lifting optical axis and located below the positioning support plate, a pressure adjusting plate is arranged above the positioning support plate, a through hole is formed in the surface of the pressure adjusting plate in a penetrating mode, and the lifting optical axis penetrates through the through hole.

A supporting pressure spring is sleeved on the outer surface of the lifting optical axis and positioned between the pressure adjusting plate and the lower die holder, a threaded adjusting hole is formed in the center of the positioning support plate in a penetrating manner, a supporting threaded column is installed inside the threaded adjusting hole in a matched manner through a bolt, a supporting tray is fixedly arranged on the surface of the upper end of the supporting threaded column, the last fixed surface of support tray is provided with spacing seat of twisting, pressure regulating plate's surface runs through and has seted up wrong seat hole, spacing seat of twisting alternates through twisting a hole, the support tray is located pressure regulating plate's below, the surface of spacing seat of twisting runs through and has seted up the lever jack.

Extrusion actuating mechanism erects frame, hydraulic pressure board, pneumatic cylinder, hydraulic telescoping shaft and pipeline notch including supporting, support and erect the vertical fixed mounting of frame at the upper surface position of fixed crossbearer, the fixed hydraulic pressure board that is provided with in upper end of support erecting the frame, the last fixed surface of hydraulic pressure board installs the pneumatic cylinder, the inside of pneumatic cylinder is flexible to be provided with hydraulic telescoping shaft, the last fixed surface of hydraulic telescoping shaft interlude through hydraulic pressure board and extrusion die holder installs, the pipeline notch has been seted up in the surface running through of hydraulic pressure board.

The lower surface of the extrusion die holder is provided with a temperature measuring cavity hole, an infrared temperature sensor is arranged inside the temperature measuring cavity hole, a positioning convex column is fixedly arranged on the surface of the lower liquid groove, a splitting groove is formed inside the positioning convex column, the positioning convex column is divided into two semi-cylindrical shapes by the splitting groove, and the position and the diameter of the positioning convex column correspond to the position and the diameter of a nail hole of the track plate one by one.

The upper surface of upper portion cistern has seted up mutual screw, filter the swivel nut spiral and install the inside at mutual screw, the inside of filtering the swivel nut is provided with the filter layer.

Compared with the prior art, the invention has the beneficial effects that:

the pressure quenching mechanism provided by the invention can be used for carrying out pressure quenching on the track shoe through the lower die holder and the extrusion die holder, so that the deformation of the track shoe in the quenching process can be reduced, and the extrusion pressure can be flexibly adjusted.

In the pressure quenching process, the lower liquid tank, the upper liquid tank, the interactive channel and the negative pressure liquid pumping structure are matched with each other, so that quenching liquid can be actively pumped when the initial section of the track plate is in a high-temperature state, a large amount of low-temperature quenching liquid can rapidly flow through the interactive channel to enter the lower liquid tank and the upper liquid tank, the track plate can be rapidly cooled in the high-temperature state, compared with the traditional immersion quenching, the quenching liquid can actively flow to the track plate, and the cooling speed is guaranteed to be higher than the critical cooling speed, so that a martensite structure is obtained; and when the grip-pad back end is in the low temperature state, make the inside gas-liquid intercommunication intracavity portion be the gas malleation state through high-pressure inlet structure, high-pressure draught is in reverse entering lower part cistern and upper portion cistern, spout from mutual channel, avoid the quench liquid to get into, utilize gaseous cooling this moment, reduce the contact with the quench liquid, thereby slow down the cooling rate of back end quenching, with the internal stress in the reduction steel, prevent to warp and the fracture, make the pressure quenching quality of grip-pad obtain obvious promotion, and when the inside gas malleation state that is of gas-liquid intercommunication intracavity portion, can make the air current shunt to the negative pressure drawing liquid structure in, the inside hydrops of discharge negative pressure drawing liquid structure, in order to prevent the inside corrosion of negative pressure drawing liquid structure.

In the process, when the quenching liquid is actively extracted to flow to the track shoe, the quenching liquid can be filtered through the arranged filtering thread insert, so that the subsequent blockage caused by the inflow of iron slag or carbon skin in the negative pressure liquid extraction structure is prevented; and when the gas is sprayed out, the filtering thread insert can be automatically cleaned reversely so as to maintain the filtering speed of the subsequent use of the filtering thread insert.

By the aid of the negative-pressure liquid pumping structure, quenching liquid which is in contact with the track shoe at a high temperature can be directly pumped out, and the phenomenon that the high-temperature quenching liquid is in direct contact with the quenching liquid in the quenching liquid tank to cause temperature rise of the quenching liquid in the quenching liquid tank is avoided; the high-temperature quenching liquid directly pumped out is cooled through the heat dissipation box, and the temperature of the quenching liquid is higher and the temperature difference between the quenching liquid and the outside is larger, so that the cooling rate is highest, the efficiency is highest, and higher heat can be discharged through lower power consumption so as to maintain the temperature stability of the liquid in the quenching liquid tank; the cooled quenching liquid flows back to the bottom of the quenching liquid tank, so that the circulating flow of the liquid in the quenching liquid tank can be promoted, and a certain stirring effect is achieved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic top view of the overall structure of the present invention.

Fig. 3 isbase:Sub>A cross-sectional view taken along linebase:Sub>A-base:Sub>A of fig. 2.

FIG. 4 is a cut-away perspective view of a quenching liquid bath according to the present invention.

Fig. 5 is an enlarged view of the area B in fig. 4.

FIG. 6 is a front view of the quenching bath of the invention in cross section.

FIG. 7 is another schematic perspective view of the quenching liquid bath of the present invention.

Fig. 8 is an enlarged schematic view of the region C in fig. 7.

Fig. 9 is a schematic perspective half-section view of the present invention.

Fig. 10 is an enlarged view of the area D in fig. 9.

In the figure: 1. a quenching liquid tank; 2. a lower die holder; 3. extruding the die holder; 4. a lower liquid tank; 5. an upper liquid tank; 6. an interaction channel; 7. filtering a threaded sleeve; 8. a gas-liquid communicating cavity; 801. a liquid extraction pipeline; 802. a metal bellows; 803. a liquid pump; 804. a water outlet pipe of the liquid pump; 805. a heat dissipation box; 806. a cavity fin; 807. a blower; 808. a return flow conduit; 809. opening and closing the electric control valve; 810. a high-pressure air inlet pipe; 101. fixing the transverse frame; 102. positioning a support plate; 103. a positioning rod hole; 104. lifting the optical axis; 105. a limiting end block; 106. a pressure adjusting plate; 107. supporting a pressure spring; 108. a threaded adjustment hole; 109. supporting the threaded column; 110. a support tray; 111. a limiting screwing seat; 112. screwing the seat hole; 113. a lever jack; 114. a vertical support; 115. a hydraulic plate; 116. a hydraulic cylinder; 117. a hydraulic telescopic shaft; 118. a pipe notch; 301. a temperature measuring cavity hole; 302. an infrared temperature sensor; 401. positioning the convex column; 402. splitting the groove; 701. an alternating screw hole; 702. a filter layer; 9. a track shoe.

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.

Referring to fig. 1 to 10, the present invention provides a technical solution: the utility model provides a but quenching mechanism of quenching pressure, flow automatically regulated for grip-pad pressure quenching, includes quenching cistern 1, lower part die holder 2, extrusion die holder 3, lower part cistern 4, upper portion cistern 5, mutual channel 6, filters swivel nut 7 and gas-liquid intercommunication chamber 8, lower part die holder 2 goes up and down to set up in the inside of quenching cistern 1, is provided with the supporting mechanism that has the pressure modulation function between lower part die holder 2 and the quenching cistern 1, extrusion die holder 3 sets up directly over lower part die holder 2, extrusion die holder 3 sets up through the cooperation of extrusion actuating mechanism and lower part die holder 2, and the upper surface of lower part die holder 2 and the lower surface of extrusion die holder 3 all suit with the shape of grip-pad, and lower part cistern 4 has been seted up to the upper surface of lower part die holder 2, and extrusion die holder 3's lower surface has seted up upper portion cistern 5, and lower part cistern 4 all covers the nail hole of grip-pad in inside with upper portion cistern 5, and the both sides of lower part cistern 4 and upper portion 5 are equallyd divide and do not communicate and have seted up mutual channel 6, and mutual channel 6 has array linear evenly distributed, and have the negative pressure intercommunication structure that air-liquid chamber 8 and the gas-liquid intake air-liquid intercommunication that the air-liquid that the external portion communicated that has the air-liquid intercommunication has the negative pressure intercommunication has the air-liquid intercommunication.

The negative pressure liquid pumping structure comprises a liquid pumping pipeline 801, a metal corrugated pipe 802, a liquid pumping pump 803, a liquid pump water outlet pipe 804, a heat dissipation box 805, cavity fins 806, a blower 807 and a return pipeline 808.

The liquid pumping pipeline 801 is fixedly installed on the outer surface of the extrusion die holder 3 and is communicated with the gas-liquid communication cavity 8, the liquid pumping pump 803 is communicated with the liquid pumping pipeline 801 through a metal corrugated pipe 802, the metal corrugated pipe 802 can be bent and moved and has high temperature resistance, a water outlet of the liquid pumping pump 803 is communicated with a liquid pump water outlet pipe 804, the other end of the liquid pump water outlet pipe 804 is communicated with a heat dissipation box 805, the heat dissipation box 805 is fixedly arranged on the outer wall surface of the quenching liquid tank 1, cavity fins 806 are arranged inside the heat dissipation box 805, quenching liquid in the heat dissipation box 805 flows through the cavity fins 806, a blower 807 is fixedly arranged behind the heat dissipation box 805, air blown by the blower 807 blows air to dissipate heat and cool the cavity fins 806, so that the quenching liquid is cooled, a return pipeline 808 is fixedly communicated with the lower portion of the heat dissipation box 805, and the other end of the return pipeline 808 is communicated with the position, close to the bottom, inside of the quenching liquid tank 1.

The high-pressure air inlet structure comprises an opening and closing electric control valve 809 and a high-pressure air inlet pipe 810, the opening and closing electric control valve 809 is embedded and fixed in the extrusion die holder 3, and the high-pressure air inlet pipe 810 is communicated with the air-liquid communication cavity 8 through the opening and closing electric control valve 809.

The supporting mechanism comprises a fixing cross frame 101, a positioning support plate 102, a positioning rod hole 103, a lifting optical axis 104, a limiting end block 105, a pressure adjusting plate 106, a supporting pressure spring 107, a thread adjusting hole 108, a supporting thread column 109, a supporting tray 110, a limiting screwing seat 111, a screwing seat hole 112 and a lever insertion hole 113.

Fixed crossbearer 101 is fixed to be set up at the inner wall surface position of quenching cistern 1, location extension board 102 sets up with fixed crossbearer 101 is fixed, location extension board 102 runs through about the surface and has seted up locating rod hole 103, the inside interlude of locating rod hole 103 is provided with lift optical axis 104, the lower fixed surface position of lift optical axis 104 is provided with spacing end block 105, spacing end block 105 is located the below of location extension board 102, the top of location extension board 102 is provided with pressure regulating plate 106, the surface of pressure regulating plate 106 runs through and has seted up the through-hole, lift optical axis 104 alternates through above-mentioned through-hole.

The outer surface position cover of lift optical axis 104 establishes and installs and support pressure spring 107, support pressure spring 107 and be located between pressure regulating plate 106 and the lower part die holder 2, the central point of location extension board 102 puts and runs through and has seted up screw thread regulation hole 108, support screw thread post 109 is installed in the inside bolt cooperation of screw thread regulation hole 108, the upper end fixed surface position of support screw thread post 109 is provided with support tray 110, the last fixed surface of support tray 110 is provided with spacing seat 111 of screwing, pressure regulating plate 106's surface runs through and has seted up and screw seat hole 112, spacing seat 111 of screwing alternates through screws seat hole 112, support tray 110 is located pressure regulating plate 106's below, lever jack 113 has been seted up in spacing surface of screwing seat 111.

Extrusion actuating mechanism is including supporting vertical frame 114, hydraulic plate 115, pneumatic cylinder 116, hydraulic telescoping shaft 117 and pipeline notch 118, support vertical fixed mounting of frame 114 at the upper surface position of fixed crossbearer 101, the fixed hydraulic plate 115 that is provided with in upper end of supporting vertical frame 114, hydraulic plate 115's last fixed surface installs pneumatic cylinder 116, hydraulic cylinder 116's inside is flexible to be provided with hydraulic telescoping shaft 117, hydraulic telescoping shaft 117 alternates through the last fixed surface installation of hydraulic plate 115 with extrusion die holder 3, pipeline notch 118 has been seted up in running through on hydraulic plate 115's surface.

The lower surface of the extrusion die holder 3 is provided with a temperature measuring cavity hole 301, an infrared temperature sensor 302 is arranged inside the temperature measuring cavity hole 301, a positioning convex column 401 is fixedly arranged on the surface of the lower liquid tank 4, a splitting groove 402 is arranged inside the positioning convex column 401, the positioning convex column 401 is divided into two semi-cylindrical shapes by the splitting groove 402, and the position and the diameter of the positioning convex column 401 correspond to the position and the diameter of a nail hole of a track shoe one by one.

An interaction screw hole 701 is formed in the upper surface of the upper liquid tank 5, the filtering threaded sleeve 7 is spirally mounted inside the interaction screw hole 701, and a filtering layer 702 is arranged inside the filtering threaded sleeve 7.

When the invention is used, the high-pressure air inlet pipe 810 is communicated with an external high-pressure air source, the metal rod is inserted into the lever jack 113, the lever force is utilized to rotate the supporting threaded column 109, so that the height adjustment of the pressure adjusting plate 106 is realized, the initial deformation degree of the supporting pressure spring 107 is changed, the adjustment of the matched extrusion force is further realized, and a proper amount of quenching liquid is added into the quenching liquid tank 1, so that the upper surface of the lower die holder 2 is positioned above the liquid level when the extrusion die holder 3 is not pressed down.

The heated creeper tread 9 is placed on the upper surface of the lower die holder 2 through a clamping mechanical arm, as shown in fig. 1 and 3, the positioning of the creeper tread 9 is realized through the matching of the arranged positioning convex column 401 and a nail hole formed in the creeper tread 9, the hydraulic cylinder 116 drives the extrusion die holder 3 to press downwards, the extrusion die holder 3 presses on the upper surface of the creeper tread 9, the lower die holder 2 and the extrusion die holder 3 are matched to form extrusion on the creeper tread 9, and the three are moved downwards and immersed in the quenching liquid together.

When the track plate 9 is completely immersed in the quenching liquid, the liquid pump 803 is immediately operated, so that the quenching liquid enters the upper liquid tank 5 through the interactive channel 6 corresponding to the lower liquid tank 4, the splitting groove 402 and the nail hole of the track plate 9, the quenching liquid in the interactive channel 6 corresponding to the upper liquid tank 5 directly enters the upper liquid tank 5, two sides of the high-temperature track plate 9 simultaneously contact the quenching liquid in a large flow rate, and then the quenching liquid enters the gas-liquid communication cavity 8 through the filtration of the filter screw sleeve 7 and is pumped out by the liquid pump 803; therefore, the initial section track shoe 9 can be efficiently and quickly cooled when the temperature is between 650 ℃ and 550 ℃ so as to ensure the quenching quality; the temperature of the creeper tread 9 is detected in real time through the infrared temperature sensor 302, when the temperature of the creeper tread 9 reaches the range of 300-100 ℃, the liquid pump 803 is stopped, the opening and closing electric control valve 809 is opened, so that the gas in the high-pressure gas inlet pipe 810 enters the gas-liquid communicating cavity 8, reversely passes through the filter thread sleeve 7, is sprayed out of the interaction channel 6 through the lower liquid tank 4 and the upper liquid tank 5, and at the moment, the temperature is reduced by utilizing the gas, meanwhile, the contact with quenching liquid is reduced, the temperature reduction speed of the rear section is slowed down, and the internal stress in steel is reduced; part of gas in the gas-liquid communication cavity 8 is shunted to the liquid pumping pipeline 801 and the metal corrugated pipe 802, accumulated liquid in the liquid pumping pump 803 and the heat dissipation box 805 is discharged, the corrosion problem is avoided, the shunted gas is finally discharged from the bottom of the quenching liquid tank 1, and the flowing and mixing of liquid in the quenching liquid tank 1 are promoted.

The quenching liquid after being contacted with the track shoe 9 in a high-temperature state is directly pumped out, so that the phenomenon that the quenching liquid in the quenching liquid tank is contacted with the quenching liquid in the quenching liquid tank 1 to cause the over-quick temperature rise of the quenching liquid in the quenching liquid tank is avoided; at this time, the high-temperature quenching liquid directly pumped out is cooled by the heat dissipation box 805, and because the temperature of the quenching liquid is higher and the temperature difference with the outside is larger, the cooling rate is highest, the efficiency is highest, so that the lower power consumption can be replaced by higher heat to be discharged, and the temperature of the liquid in the quenching liquid tank 1 is kept stable; the cooled quenching liquid flows back to the bottom of the quenching liquid tank 1, so that the circulating flow of the liquid in the quenching liquid tank 1 can be promoted, and a certain stirring effect is achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a but track shoe pressure quenching is with quenching pressure, pressure quenching mechanism of flow automatically regulated, includes quench liquid groove (1), lower part die holder (2), extrusion die seat (3), lower part cistern (4), upper portion cistern (5), mutual channel (6), filters swivel nut (7) and gas-liquid intercommunication chamber (8), its characterized in that: the lower die holder (2) is arranged in the quenching liquid tank (1) in a lifting manner, a supporting mechanism with a pressure adjusting function is arranged between the lower die holder (2) and the quenching liquid tank (1), the extrusion die holder (3) is arranged right above the lower die holder (2), an extrusion driving mechanism is arranged between the extrusion die holder (3) and the lower die holder (2), the upper surface of the lower die holder (2) and the lower surface of the extrusion die holder (3) are both in fit with the shape of a track plate, the upper liquid tank (4) is arranged on the upper surface of the lower die holder (2), the upper liquid tank (5) is arranged on the lower surface of the extrusion die holder (3), the track plate is characterized in that the lower liquid tank (4) and the upper liquid tank (5) cover nail holes of the track plate in the inner portion, the lower liquid tank (4) and two sides of the upper liquid tank (5) are respectively communicated with an interaction channel (6), the interaction channels (6) are uniformly distributed in a linear array mode, a gas-liquid communication cavity (8) is formed in the extrusion die seat (3), the upper liquid tank (5) is communicated with the gas-liquid communication cavity (8) through a filtering screw sleeve (7), the gas-liquid communication cavity (8) is communicated with the outer portion and is provided with a negative-pressure liquid pumping structure with a heat dissipation function and a high-pressure air inlet structure with an electric control opening and closing function, and the negative-pressure liquid pumping structure comprises a liquid pumping pipeline (801), the quenching liquid quenching device comprises a metal corrugated pipe (802), a liquid pumping pump (803), a liquid pump water outlet pipe (804), a heat dissipation box (805), cavity fins (806), a blower (807) and a backflow pipeline (808), wherein the liquid pumping pipeline (801) is fixedly arranged at the outer surface of a squeezing die holder (3) and is communicated with a gas-liquid communication cavity (8), the liquid pumping pump (803) is communicated with the liquid pumping pipeline (801) through the metal corrugated pipe (802), a water outlet of the liquid pumping pump (803) is communicated with the liquid pump water outlet pipe (804), the other end of the liquid pump water outlet pipe (804) is communicated with the heat dissipation box (805), the heat dissipation box (805) is fixedly arranged at the outer wall surface of a quenching liquid tank (1), the cavity fins (806) are arranged inside the heat dissipation box (805), quenching liquid in the heat dissipation box (805) flows through the cavity fins (806), the blower (807) is fixedly arranged behind the heat dissipation box (805), the backflow pipeline (808) is fixedly communicated with the lower part of the heat dissipation box (805), the backflow pipeline (805) is fixedly communicated with the inner part of the heat dissipation box (1), and is provided with a convex column positioning groove (401) which is positioned close to the bottom of the quenching liquid tank (402), the splitting groove (402) divides the positioning convex column (401) into two semi-cylinders, and the position and the diameter of the positioning convex column (401) correspond to the position and the diameter of a nail hole of the track shoe one by one.

2. The pressure quenching mechanism with the quenching pressure and flow automatically adjustable for the pressure quenching of the track shoe as claimed in claim 1, wherein: the high-pressure air inlet structure comprises an opening and closing electric control valve (809) and a high-pressure air inlet pipe (810), the opening and closing electric control valve (809) is embedded and fixed in the extrusion die holder (3), and the high-pressure air inlet pipe (810) is communicated with the air-liquid communication cavity (8) through the opening and closing electric control valve (809).

3. The pressure quenching mechanism with the quenching pressure and flow automatically adjustable for the pressure quenching of the track shoe as claimed in claim 1, wherein: the supporting mechanism comprises a fixing transverse frame (101), a positioning support plate (102), a positioning rod hole (103), a lifting optical axis (104), a limiting end block (105), a pressure adjusting plate (106), a supporting pressure spring (107), a thread adjusting hole (108), a supporting thread column (109), a supporting tray (110), a limiting screwing seat (111), a screwing seat hole (112) and a lever jack (113).

4. The pressure quenching mechanism with the quenching pressure and flow automatically adjustable for the pressure quenching of the track shoe as claimed in claim 3, wherein: the quenching device is characterized in that the fixed cross frame (101) is fixedly arranged at the surface position of the inner wall of the quenching liquid tank (1), the positioning support plate (102) and the fixed cross frame (101) are fixedly arranged, a positioning rod hole (103) penetrates through the surface of the positioning support plate (102) from top to bottom, a lifting optical axis (104) penetrates through the positioning rod hole (103), a limiting end block (105) is fixedly arranged at the lower surface position of the lifting optical axis (104), the limiting end block (105) is positioned below the positioning support plate (102), a pressure adjusting plate (106) is arranged above the positioning support plate (102), a through hole penetrates through the surface of the pressure adjusting plate (106), and the lifting optical axis (104) penetrates through the through hole.

5. The pressure quenching mechanism capable of automatically adjusting the quenching pressure and flow for pressure quenching of the track shoe as claimed in claim 4, wherein: the utility model discloses a pressure regulating device, including lift optical axis (104), support pressure spring (107) is established to the surface position cover of lift optical axis (104), support pressure spring (107) are located between pressure regulating plate (106) and lower part die holder (2), the central point of location extension board (102) puts and runs through set up screw thread regulation hole (108), support screw thread post (109) are installed in the inside bolt cooperation of screw thread regulation hole (108), the fixed support tray (110) that is provided with in upper end surface position of support screw thread post (109), the fixed spacing seat (111) of screwing that is provided with of upper surface of support tray (110), the surface of pressure regulating plate (106) runs through and has been seted up wrong seat hole (112), spacing seat (111) of screwing alternate through wrong seat hole (112), support tray (110) are located the below of pressure regulating plate (106), lever jack (113) have been seted up in the surface of spacing wrong seat (111) of screwing.

6. The pressure quenching mechanism with the quenching pressure and flow automatically adjustable for the pressure quenching of the track shoe as claimed in claim 4, wherein: extrusion actuating mechanism erects frame (114), hydraulic pressure board (115), pneumatic cylinder (116), hydraulic telescoping shaft (117) and pipeline notch (118) including supporting, support and erect the upper surface position of the vertical fixed mounting in fixed crossbearer (101) of frame (114), the fixed hydraulic pressure board (115) that is provided with in upper end that supports erects frame (114), the last fixed surface of hydraulic pressure board (115) installs pneumatic cylinder (116), the inside flexible hydraulic telescoping shaft (117) that is provided with of pneumatic cylinder (116), hydraulic telescoping shaft (117) alternate through the last fixed surface installation of hydraulic pressure board (115) and extrusion die holder (3), pipeline notch (118) have been seted up in the surface of hydraulic pressure board (115).

7. The pressure quenching mechanism with the quenching pressure and flow automatically adjustable for the pressure quenching of the track shoe as claimed in claim 1, wherein: the lower surface of the extrusion die holder (3) is provided with a temperature measurement cavity hole (301), and an infrared temperature sensor (302) is arranged in the temperature measurement cavity hole (301).

8. The pressure quenching mechanism with the quenching pressure and flow automatically adjustable for the pressure quenching of the track shoe as claimed in claim 1, wherein: mutual screw hole (701) have been seted up to the upper surface in upper portion cistern (5), filter swivel nut (7) spiral installation is in the inside of mutual screw hole (701), the inside of filtering swivel nut (7) is provided with filter layer (702).