Oil discharge device of warm isostatic pressing machine

Abstract

The utility model discloses an oil discharge device of a warm isostatic press, which relates to the technical field of warm isostatic presses and comprises an upper end cover main body and an oil discharge component, the oil discharge component is arranged in the upper end cover main body, and a first cavity and a second cavity are arranged in the upper end cover main body. A communicating runner for communicating the first cavity with the second cavity is arranged between the first cavity and the second cavity, an inlet runner is arranged at the bottom of the upper end cover main body, the inlet runner penetrates through the bottom of the upper end cover main body and is communicated with the second cavity, and an outlet runner communicated with the first cavity is arranged on one side of the upper end cover main body; the oil discharging assembly comprises a driving connecting piece and an elastic sealing piece, the driving connecting piece comprises a driving piece, a first connecting rod, a piston, a second connecting rod and a driving rod, and the elastic sealing piece comprises a sliding mounting disc, an elastic piece and a sealing convex block which are arranged in a second cavity. And the sealing ring is short in service life and easy to fall off.

Description

Technical Field

[0001] The utility model relates to the technical field of warm isostatic presses, in particular to an oil discharge device for warm isostatic presses. Background Art

[0002] The warm isostatic press is a hydraulic molding machine that is widely used in the molding process of high-tech solid-state batteries. Its working principle is to use liquid media to pressurize and heat the solid-state battery workpiece in the pressure vessel, and to uniformly apply temperature and pressure to the solid-state battery workpiece through the liquid media, so that it can be tightly bonded.

[0003] When the warm isostatic press is working, the liquid medium in the working cylinder needs to flow into a designated container and then re-enter the working cylinder. In the prior art, this process is generally achieved through an oil discharge device. However, most of the oil discharge devices in the prior art use sealing rings and valve stems to close the oil discharge device. When in use, there are problems such as short service life of the sealing ring and easy falling off.

[0004] In the utility model with application number: 202221313465.9 and publication number CN218463055U, an isostatic press filling and exhausting medium system and an isostatic press are disclosed. Oil discharge and exhaust are achieved by designing and installing a set of hydraulically controlled exhaust valves and a set of hydraulically controlled filling valves in the upper plug of the isostatic press. However, it still uses sealing rings to achieve soft sealing. When in use, there is still the problem that the sealing ring has a short life and is easy to fall off. Utility Model Content

[0005] Based on this, in order to solve the above problems, the utility model proposes an oil drain device for a warm isostatic press, which solves the problem that the sealing ring of the current oil drain device for a warm isostatic press has a short service life and is easy to fall off when in use.

[0006] The technical solution of the utility model is:

[0007] An oil discharge device for a warm isostatic press comprises an upper end cover body and an oil discharge assembly, wherein the oil discharge assembly is arranged in the upper end cover body, wherein a first cavity and a second cavity are arranged in the upper end cover body, wherein the first cavity passes through the top of the upper end cover body, wherein a connecting flow channel for connecting the first cavity and the second cavity is arranged between the first cavity and the second cavity, wherein an inlet flow channel is arranged at the bottom of the upper end cover body, wherein the inlet flow channel passes through the bottom of the upper end cover body and is connected with the second cavity, and wherein an outlet flow channel connected with the first cavity is arranged at one side of the upper end cover body;

[0008] The oil discharge assembly includes a driving connection member and an elastic sealing member, the driving connection member includes a driving member, a first connecting rod, a piston, a second connecting rod and a driving rod, the driving member is arranged on the top of the upper end cover body and is arranged in cooperation with the first cavity, the first connecting rod, the piston, the second connecting rod and the driving rod are connected in sequence and are arranged in the first cavity, one end of the first connecting rod is connected to the output end of the driving member, the piston is slidably connected to the inner side wall of the first cavity, and one end of the driving rod can be inserted into the connecting flow channel and is gap-matched with the connecting flow channel;

[0009] The elastic sealing member includes a sliding mounting disk, an elastic member and a sealing protrusion arranged in the second cavity. The sliding mounting disk is slidably connected to the inner wall of the second cavity. A mounting groove is provided on the top of the sliding mounting disk. The sealing protrusion is fixedly installed in the mounting groove. The bottom of the connecting flow channel is matched with the sealing protrusion. A telescopic structure is provided at the bottom of the sliding mounting disk. The elastic member is arranged in the telescopic structure. An oil outlet that penetrates the sliding mounting disk is provided on the sliding mounting disk. An oil outlet channel matched with the oil outlet is provided in the mounting groove.

[0010] Preferably, the driving member is a cylinder, and the output end of the driving member is connected to one end of the first connecting rod to drive the first connecting rod to move along the first cavity.

[0011] Preferably, the elastic member is a spring, one end of the elastic member is connected to the bottom of the sliding mounting plate, and the other end is connected to the bottom of the upper end cover body, and the elastic member is used to support the sliding mounting plate so that the sealing protrusion blocks the connecting flow channel.

[0012] Preferably, the telescopic structure includes an outer ring body and an inner ring body, the top of the outer ring body is connected to the bottom of the sliding mounting plate, a sliding mounting groove is provided in the outer ring body, the sliding mounting groove passes through the bottom of the outer ring body, one end of the inner ring body is arranged in the sliding mounting groove in the outer ring body and is slidably connected to the outer ring body, and the other end is connected to the upper end cover body.

[0013] Preferably, a sealing ring is provided between the top of the communicating flow channel and the driving rod, the sealing ring is fixedly arranged on the inner side wall of the communicating flow channel, and the driving rod can pass through the sealing ring and be slidably connected with the sealing ring.

[0014] Preferably, a plurality of flow guide channels are provided in the upper end cover body, the plurality of flow guide channels are arranged at the upper end of the connecting flow channel, and the two ends of the flow guide channels are respectively connected to the connecting flow channel and the first cavity.

[0015] Preferably, an outlet flow channel is provided in the upper end cover body, one end of the outlet flow channel passes through the top of the upper end cover body, and the other end is connected to the outlet flow channel.

[0016] Preferably, a sealing ball is provided in the outlet flow channel, the sealing ball cooperates with the gap of the outlet flow channel, a sealing limiter is provided at the upper end of the outlet flow channel to cooperate with the sealing ball, an air outlet is provided on the sealing limiter, and the sealing ball is used to block the air outlet.

[0017] Preferably, an insertion groove is provided on one side of the upper end cover body, one end of the insertion groove passes through one side of the upper end cover body, and the other end is connected to the outlet flow channel, one end of the insertion groove is arranged below the sealing limit, and a plug-in pin is provided in the insertion groove, the plug-in pin is threadedly connected to the insertion groove, and one end of the plug-in pin can be inserted into the outlet flow channel to block the outlet flow channel.

[0018] Preferably, a sealing blocking ball is provided at one end of the plug pin and is arranged in cooperation with the outlet flow passage, and the sealing blocking ball is slidably connected to the insertion groove.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] The utility model realizes the opening or closing of the oil discharge device by replacing the traditional sealing ring with a sealing protrusion, and replaces the soft seal of the sealing ring and the valve stem with the mechanical seal of the sealing protrusion and the connecting flow channel, which can not only effectively avoid the problem of the sealing ring having a short life under high pressure environment, but also effectively avoid the problem of the sealing ring being easy to fall off. When in use, the first connecting rod is driven by the driving member, and then the piston and the second connecting rod drive the driving rod, and then the driving rod is inserted into and passes through the connecting flow channel to apply a driving force to the sealing protrusion, so that the sealing protrusion is separated from the connecting flow channel, so that the oil in the working cylinder can be discharged; when the driving rod does not apply a driving force to the sealing protrusion, the sliding mounting plate is reset under the action of the elastic member, so that the sealing protrusion is matched with the connecting flow channel again, thereby completing the mechanical seal and blocking the connecting flow channel. The utility model solves the problem that the sealing ring of the current warm isostatic press oil discharge device has a short life and is easy to fall off when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a partial cross-sectional structure diagram of a warm isostatic press oil discharge device described in an embodiment of the utility model. Figure 1 ;

[0022] Figure 2 This is a partial cross-sectional structure diagram of a warm isostatic press oil discharge device described in an embodiment of the utility model. Figure 2 ;

[0023] Figure 3 It is described in the embodiment of the utility model Figure 2 A schematic diagram of the enlarged cross-section structure at point A in the middle;

[0024] Figure 4 It is described in the embodiment of the utility model Figure 2 A schematic diagram of the enlarged cross-section structure at B in the middle;

[0025] Figure 5 It is described in the embodiment of the utility model Figure 3 A schematic diagram of the enlarged cross-section structure of the center circle;

[0026] Figure 6 It is a cross-sectional enlarged structural schematic diagram of the elastic sealing member described in the embodiment of the utility model;

[0027] Description of reference numerals:

[0028] 10-upper end cover body, 20-oil drain assembly, 100-first cavity, 101-second cavity, 102-connecting flow channel, 103-inlet flow channel, 104-outlet flow channel, 105-flow guide flow channel, 106-outlet flow channel, 107-sealing ball, 108-sealing limit, 109-air outlet, 110-insertion groove, 111-plug pin, 112-sealing plugging ball, 200-drive Connecting member, 201-elastic sealing member, 202-driving member, 203-first connecting rod, 204-piston, 205-second connecting rod, 206-driving rod, 207-sliding mounting plate, 208-elastic member, 209-sealing protrusion, 210-mounting groove, 211-telescopic structure, 212-oil outlet, 213-oil outlet channel, 214-outer ring body, 215-inner ring body, 216-sealing ring. DETAILED DESCRIPTION

[0029] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0030] Example:

[0031] like Figure 1 to Figure 2 As shown, in order to solve the above problems, the present embodiment discloses an oil discharge device for a warm isostatic press, comprising an upper end cover body 10 and an oil discharge assembly 20, wherein the oil discharge assembly 20 is arranged in the upper end cover body 10, wherein a first cavity 100 and a second cavity 101 are arranged in the upper end cover body 10, wherein the first cavity 100 passes through the top of the upper end cover body 10, wherein a connecting flow channel 102 for connecting the first cavity 100 and the second cavity 101 is arranged between the first cavity 100 and the second cavity 101, wherein an inlet flow channel 103 is arranged at the bottom of the upper end cover body 10, wherein the inlet flow channel 103 passes through the bottom of the upper end cover body 10 and is connected with the second cavity 101, wherein an outlet flow channel 104 connected with the first cavity 100 is arranged at one side of the upper end cover body 10;

[0032] The oil discharge assembly 20 includes a driving connection 200 and an elastic sealing member 201. The driving connection 200 includes a driving member 202, a first connecting rod 203, a piston 204, a second connecting rod 205 and a driving rod 206. The driving member 202 is arranged on the top of the upper end cover body 10 and is arranged in cooperation with the first cavity 100. The first connecting rod 203, the piston 204, the second connecting rod 205 and the driving rod 206 are connected in sequence and arranged in the first cavity 100. One end of the first connecting rod 203 is connected to the output end of the driving member 202. The piston 204 is slidably connected to the inner side wall of the first cavity 100. One end of the driving rod 206 can be inserted into the connecting flow channel 102 and is gap-matched with the connecting flow channel 102.

[0033] The elastic sealing member 201 includes a sliding mounting disk 207, an elastic member 208 and a sealing protrusion 209 arranged in the second cavity 101. The sliding mounting disk 207 is slidably connected to the inner wall of the second cavity 101. A mounting groove 210 is provided on the top of the sliding mounting disk 207. The sealing protrusion 209 is fixedly installed in the mounting groove 210. The bottom of the connecting flow channel 102 is matched with the sealing protrusion 209. A telescopic structure 211 is provided at the bottom of the sliding mounting disk 207. The elastic member 208 is arranged in the telescopic structure 211. The sliding mounting disk 207 is provided with an oil outlet 212 that passes through the sliding mounting disk 207. An oil outlet channel 213 matched with the oil outlet 212 is provided in the mounting groove 210.

[0034] The utility model adopts a sealing protrusion 209 to replace the traditional sealing ring to realize the opening or closing of the oil discharge device. The mechanical seal between the sealing protrusion 209 and the connecting flow channel 102 replaces the soft seal between the sealing ring and the valve stem, which can not only effectively avoid the problem of the sealing ring having a short service life under high pressure environment, but also effectively avoid the problem of the sealing ring being easy to fall off. When in use, the first connecting rod 203 is driven by the driving member 202, and then the piston 204 and the second connecting rod 205 drive the driving rod 206, so that the driving rod 206 is inserted into and passes through the connecting flow channel 102 to apply a driving force to the sealing protrusion 209, so that the sealing protrusion 209 is separated from the connecting flow channel 102, so that the oil in the working cylinder can be discharged; when the driving rod 206 does not apply a driving force to the sealing protrusion 209, the sliding mounting plate 207 is reset under the action of the elastic member 208, so that the sealing protrusion 209 is matched with the connecting flow channel 102 again, thereby completing the mechanical seal and blocking the connecting flow channel 102. The invention solves the problem that the sealing ring of the existing warm isostatic press oil discharge device has a short service life and is easy to fall off when in use.

[0035] Preferably, the sealing bump 209 is made of ceramic material.

[0036] In order to facilitate driving the first connecting rod 203, this embodiment is modified on the basis of the above embodiment. The difference from the above embodiment is that the driving member 202 is a cylinder, and the output end of the driving member 202 is connected to one end of the first connecting rod 203 for driving the first connecting rod 203 to move along the first cavity 100.

[0037] The driving member 202 may be a cylinder in the prior art that can realize the functions of the present utility model.

[0038] In order to facilitate the resetting of the sliding mounting disk 207, this embodiment is modified on the basis of the above embodiment. The difference from the above embodiment is that the elastic member 208 is a spring, one end of the elastic member 208 is connected to the bottom of the sliding mounting disk 207, and the other end is connected to the bottom of the upper end cover body 10. The elastic member 208 is used to support the sliding mounting disk 207 so that the sealing protrusion 209 blocks the connecting flow channel 102.

[0039] When the driving member 202 drives the first connecting rod 203 to make the driving rod 206 drive the sealing protrusion 209 to move downward, the sliding mounting plate 207 also moves downward, applying a compressive force to the spring. When the driving member 202 is reset, the spring also generates a reset force to reset the sliding mounting plate 207 and the sealing protrusion 209, and the sealing protrusion 209 and the connecting flow channel 102 form a mechanical seal again.

[0040] like Figure 6 As shown, in order to make the sliding mounting plate 207 more stable when sliding, this embodiment is modified on the basis of the above embodiment. The difference from the above embodiment is that the telescopic structure 211 includes an outer ring body 214 and an inner ring body 215. The top of the outer ring body 214 is connected to the bottom of the sliding mounting plate 207. A sliding mounting groove 210 is provided in the outer ring body 214. The sliding mounting groove 210 runs through the bottom of the outer ring body 214. One end of the inner ring body 215 is arranged in the sliding mounting groove 210 in the outer ring body 214 and is slidably connected to the outer ring body 214, and the other end is connected to the upper end cover body 10.

[0041] When the sealing protrusion 209 and the communicating flow channel 102 are in a mechanical sealing state, the inner ring body 215 extends out of the outer ring body 214 , and when the sliding mounting plate 207 moves downward, the inner ring body 215 retracts into the sliding mounting groove 210 in the outer ring body 214 .

[0042] like Figure 5 As shown, in order to achieve oil diversion, this embodiment is modified on the basis of the above embodiment. The difference from the above embodiment is that a sealing ring 216 is provided between the top of the connecting flow channel 102 and the driving rod 206. The sealing ring 216 is fixedly arranged on the inner wall of the connecting flow channel 102, and the driving rod 206 can pass through the sealing ring 216 and be slidably connected with the sealing ring 216.

[0043] Preferably, a plurality of flow guide channels 105 are provided in the upper end cover body 10 , and the plurality of flow guide channels 105 are arranged at the upper end of the connecting channel 102 , and the two ends of the flow guide channels 105 are respectively connected to the connecting channel 102 and the first cavity 100 .

[0044] When in use, the sealing ring 216 mainly serves to further increase the sealing performance between the driving rod 206 and the connecting channel 102 , so that the oil in the working cylinder can enter the first cavity 100 through the guide channel 105 .

[0045] like Figure 2 As shown, in order to facilitate the discharge of the gas in the working cylinder, this embodiment is modified on the basis of the above embodiment, and the difference from the above embodiment is that an outlet flow channel 106 is provided in the upper end cover body 10, one end of the outlet flow channel 106 passes through the top of the upper end cover body 10, and the other end is connected to the outlet flow channel 104. The gas in the working cylinder can flow out through the outlet flow channel 106.

[0046] like Figure 4 As shown, in order to prevent the oil from flowing out of the outlet flow channel 106, this embodiment is modified on the basis of the above embodiment. The difference from the above embodiment is that a sealing ball 107 is provided in the outlet flow channel 106, and the sealing ball 107 is gap-matched with the outlet flow channel 106. A sealing limit 108 cooperating with the sealing ball 107 is provided at the upper end of the outlet flow channel 106, and an air outlet 109 is provided on the sealing limit 108. The sealing ball 107 is used to block the air outlet 109.

[0047] Preferably, the sealing ball 107 is a ceramic ball.

[0048] When in use, the gas cannot make the sealing ball 107 contact with the sealing limit 108 to block the air outlet 109. When the oil enters the outlet flow channel 106, the oil pushes the sealing ball 107 to float upward and make the sealing ball 107 contact with the sealing limit 108 to block the air outlet 109.

[0049] like Figure 2 As shown, in order to facilitate the controllable exhaust, this embodiment is modified on the basis of the above embodiment. The difference from the above embodiment is that an insertion groove 110 is provided on one side of the upper end cover body 10, one end of the insertion groove 110 passes through one side of the upper end cover body 10, and the other end is connected to the outlet flow channel 106, one end of the insertion groove 110 is arranged below the sealing limit 108, and a plug pin 111 is provided in the insertion groove 110, and the plug pin 111 is threadedly connected to the insertion groove 110, and one end of the plug pin 111 can be inserted into the outlet flow channel 106 to block the outlet flow channel 106.

[0050] Preferably, a sealing blocking ball 112 that cooperates with the outlet flow channel 106 is provided at one end of the plug pin 111 , and the sealing blocking ball 112 is slidably connected to the insertion groove 110 .

[0051] When exhaust is not needed, the plug pin 111 only needs to be screwed into the insertion groove 110 so that the sealing blocking ball 112 at one end of the plug pin 111 is inserted into the outlet flow channel 106 to block the outlet flow channel 106 .

[0052] Working principle of this utility model:

[0053] The utility model adopts a sealing protrusion 209 to replace the traditional sealing ring to realize the opening or closing of the oil discharge device. The mechanical seal between the sealing protrusion 209 and the connecting flow channel 102 replaces the soft seal between the sealing ring and the valve stem, which can not only effectively avoid the problem of the sealing ring having a short service life under high pressure environment, but also effectively avoid the problem of the sealing ring being easy to fall off. When in use, the first connecting rod 203 is driven by the driving member 202, and then the piston 204 and the second connecting rod 205 drive the driving rod 206, so that the driving rod 206 is inserted into and passes through the connecting flow channel 102 to apply a driving force to the sealing protrusion 209, so that the sealing protrusion 209 is separated from the connecting flow channel 102, so that the oil in the working cylinder can be discharged; when the driving rod 206 does not apply a driving force to the sealing protrusion 209, the sliding mounting plate 207 is reset under the action of the elastic member 208, so that the sealing protrusion 209 is matched with the connecting flow channel 102 again, thereby completing the mechanical seal and blocking the connecting flow channel 102.

[0054] The above-mentioned embodiments only express the specific implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model.

Claims

1. A warm isostatic press oil discharge device, characterized in that: The invention comprises an upper end cover body (10) and an oil discharge assembly (20), wherein the oil discharge assembly (20) is arranged in the upper end cover body (10), wherein a first cavity (100) and a second cavity (101) are arranged in the upper end cover body (10), wherein the first cavity (100) passes through the top of the upper end cover body (10), wherein a connecting flow channel (102) for connecting the first cavity (100) and the second cavity (101) is arranged between the first cavity (100) and the second cavity (101), wherein an inlet flow channel (103) is arranged at the bottom of the upper end cover body (10), wherein the inlet flow channel (103) passes through the bottom of the upper end cover body (10) and is connected to the second cavity (101), and wherein an outlet flow channel (104) communicating with the first cavity (100) is arranged at one side of the upper end cover body (10); The oil discharge assembly (20) comprises a driving connecting member (200) and an elastic sealing member (201). The driving connecting member (200) comprises a driving member (202), a first connecting rod (203), a piston (204), a second connecting rod (205) and a driving rod (206). The driving member (202) is arranged at the top of the upper end cover body (10) and is arranged in cooperation with the first cavity (100). The first connecting rod (203), the piston (204), the second connecting rod (205) and the driving rod (206) are connected in sequence and are arranged in the first cavity (100). One end of the first connecting rod (203) is connected to the output end of the driving member (202). The piston (204) is slidably connected to the inner side wall of the first cavity (100). One end of the driving rod (206) can be inserted into the connecting flow channel (102) and is clearance-matched with the connecting flow channel (102). The elastic sealing member (201) comprises a sliding mounting plate (207), an elastic member (208) and a sealing protrusion (209) arranged in the second cavity (101); the sliding mounting plate (207) is slidably connected to the inner wall of the second cavity (101); a mounting groove (210) is provided on the top of the sliding mounting plate (207); the sealing protrusion (209) is fixedly installed in the mounting groove (210); the bottom of the connecting flow channel (102) is arranged in cooperation with the sealing protrusion (209); a telescopic structure (211) is provided on the bottom of the sliding mounting plate (207); the elastic member (208) is arranged in the telescopic structure (211); an oil outlet (212) penetrating the sliding mounting plate (207) is provided on the sliding mounting plate (207); and an oil outlet flow channel (213) arranged in cooperation with the oil outlet (212) is provided in the mounting groove (210).

2. The oil discharge device of a warm isostatic press according to claim 1, characterized in that: The driving member (202) is a cylinder, and the output end of the driving member (202) is connected to one end of the first connecting rod (203) for driving the first connecting rod (203) to move along the first cavity (100).

3. The oil discharge device of a warm isostatic press according to claim 1, characterized in that: The elastic member (208) is a spring, one end of which is connected to the bottom of the sliding mounting plate (207), and the other end of which is connected to the bottom of the upper end cover body (10). The elastic member (208) is used to support the sliding mounting plate (207) so that the sealing protrusion (209) blocks the connecting flow channel (102).

4. The oil discharge device of a warm isostatic press according to claim 1, characterized in that: The telescopic structure (211) comprises an outer ring body (214) and an inner ring body (215); the top of the outer ring body (214) is connected to the bottom of the sliding mounting plate (207); a sliding mounting groove (210) is provided in the outer ring body (214); the sliding mounting groove (210) runs through the bottom of the outer ring body (214); one end of the inner ring body (215) is arranged in the sliding mounting groove (210) in the outer ring body (214) and is slidably connected to the outer ring body (214); and the other end is connected to the upper end cover body (10).

5. The oil draining device for a warm isostatic press according to claim 1, characterized in that: A sealing ring (216) is provided between the top of the connecting flow channel (102) and the driving rod (206). The sealing ring (216) is fixedly arranged on the inner side wall of the connecting flow channel (102). The driving rod (206) can pass through the sealing ring (216) and be slidably connected to the sealing ring (216).

6. The oil draining device for a warm isostatic press according to claim 5, characterized in that: A plurality of flow guide channels (105) are provided in the upper end cover body (10), the plurality of flow guide channels (105) are arranged at the upper end of the connecting flow channel (102), and the two ends of the flow guide channels (105) are respectively connected to the connecting flow channel (102) and the first cavity (100).

7. The oil draining device for a warm isostatic press according to claim 1, characterized in that: An outlet flow channel (106) is provided in the upper end cover body (10), one end of the outlet flow channel (106) passes through the top of the upper end cover body (10), and the other end is connected to the outlet flow channel (104).

8. The oil draining device for a warm isostatic press according to claim 7, characterized in that: A sealing ball (107) is provided in the outlet flow channel (106), and the sealing ball (107) is clearance-matched with the outlet flow channel (106). A sealing limiter (108) is provided at the upper end of the outlet flow channel (106) and is matched with the sealing ball (107). An air outlet (109) is provided on the sealing limiter (108), and the sealing ball (107) is used to block the air outlet (109).

9. The oil draining device for a warm isostatic press according to claim 8, characterized in that: An insertion groove (110) is provided on one side of the upper end cover body (10), one end of the insertion groove (110) passes through one side of the upper end cover body (10), and the other end is communicated with the outlet flow channel (106), one end of the insertion groove (110) is arranged below the sealing limit position (108), a plug pin (111) is provided in the insertion groove (110), the plug pin (111) is threadedly connected to the insertion groove (110), and one end of the plug pin (111) can be inserted into the outlet flow channel (106) to block the outlet flow channel (106).

10. The oil draining device for a warm isostatic press according to claim 9, characterized in that: One end of the plug pin (111) is provided with a sealing blocking ball (112) which is matched with the outlet flow channel (106), and the sealing blocking ball (112) is slidably connected with the insertion groove (110).

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