Vacuum pipeline oil mist condenser capable of inhibiting oil return

Abstract

The utility model relates to the technical field of vacuum pipe structures, in particular to a vacuum pipeline oil mist condenser capable of restraining oil return, which is characterized in that flange heads are integrally formed on the left end opening and the right end opening of a connecting pipe, an oil injection sleeve is movably sleeved on the extra part of the connecting pipe, and two oil seals are sleeved on the connecting pipe; the two oil seals are arranged on two ports of the oil injection sleeve in a covering mode respectively, the oil inlet pipe is fixed to one oil seal in a penetrating mode, the oil outlet pipe is fixed to the other oil seal in a penetrating mode, the multiple heat dissipation bowls are inserted and fixed to the side wall of the connecting pipe, and the opening ends of the heat dissipation bowls are communicated with an inner cavity of the oil injection sleeve. According to the device, the heat dissipation mechanism with the larger contact area is arranged, and the spirally-advancing cooling liquid loop is arranged, so that more efficient refrigeration in the condenser is achieved, and oil gas escaping from the front oil cylinder of the vacuum pipe is better condensed and collected by combining the larger condensation area.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum tube structures, in particular to a vacuum pipeline oil mist condenser capable of suppressing oil backflow. Background Art

[0002] Workpieces that need to be processed under a low-pressure vacuum environment usually use vacuum tubes to create a vacuum environment, and the front structure of the vacuum tube uses an oil pump. This means that when the vacuum environment is created by the oil pump, some of the oil in the oil pump will leak into the vacuum tube due to the low pressure, and the oil will escape into a gaseous or misty state in the vacuum tube, thereby adhering to the surface of the workpiece and causing pollution to the workpiece. There is an oil-gas condenser installed in the front section of the vacuum tube, which condenses the oil and gas on the inner wall of the condenser through a low-temperature environment and returns to the oil pump. However, this structure has a simple heat-conducting structure, so that the oil and gas removal effect is not significant. Therefore, it is necessary to improve the condenser of this structure. Utility Model Content

[0003] The purpose of the utility model is to address the defects and shortcomings of the prior art and provide a vacuum pipeline oil mist condenser that suppresses oil backflow. The device achieves more efficient refrigeration in the condenser by providing a heat dissipation mechanism with a larger contact area and a spirally advancing coolant circuit, thereby achieving better condensation and collection of oil and gas escaped from the front oil cylinder of the vacuum tube by combining a larger condensation area.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] It includes a connecting pipe, wherein flange heads are integrally formed on both left and right ports of the connecting pipe, and it also includes:

[0006] An oil injection sleeve, wherein the movable sleeve of the oil injection sleeve is arranged at the extra part of the connecting pipe;

[0007] Oil seals, there are two oil seals and both are sleeved on the connecting pipe, and the two oil seals are respectively covered on the two ports of the oil injection sleeve;

[0008] An oil inlet pipe, the oil inlet pipe is passed through and fixed on one of the oil seals;

[0009] An oil outlet pipe, the oil outlet pipe is passed through and fixed on another oil seal;

[0010] The heat dissipation bowl is a plurality of heat dissipation bowls, and the heat dissipation bowls are inserted and fixed on the side wall of the connecting pipe, and the opening end of the heat dissipation bowl is connected with the inner cavity of the oil injection sleeve.

[0011] Preferably, a spiral partition is fixedly provided on the inner wall of the oil filling sleeve, and the inner side edge of the spiral partition is movably abutted against the outer side wall of the connecting pipe, the heat dissipation bowl and the two adjacent plates of the spiral partition are arranged alternately, and the end side edge of the spiral partition is abutted against the inner wall of the oil seal.

[0012] Preferably, a mounting opening is provided on the side wall of the connecting tube, the heat dissipation bowl is inserted into the mounting opening, a convex ring is integrally formed around the mounting opening on the outer wall of the connecting tube, and a sealing ring is integrally formed on the outer wall of the heat dissipation bowl, and the sealing ring is fixed on the convex ring.

[0013] Preferably, a heat dissipation fin is fixedly provided on the inner side wall of the connecting pipe, and the heat dissipation fin is clamped on the heat dissipation bowl.

[0014] Preferably, the heat dissipation fin is suspended from the inner wall of the connecting tube at one side away from the heat dissipation bowl.

[0015] Preferably, a corrugated plate is inserted and fixed in the heat dissipation bowl, a liquid inlet is provided on the side of the port of the heat dissipation bowl on one side of the corrugated plate, and a liquid outlet is provided on the side plate of the heat dissipation bowl on the other side of the corrugated plate.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The device realizes more efficient refrigeration in the condenser by providing a heat dissipation mechanism with a larger contact area and a spirally advancing coolant circuit, thereby achieving better condensation and collection of oil and gas escaped from the front oil cylinder of the vacuum tube by combining a larger condensation area. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model.

[0019] Figure 2 yes Figure 1 Right front side view.

[0020] Figure 3 It is a structural schematic diagram of the oil injection sleeve in the utility model.

[0021] Figure 4 It is a structural schematic diagram of a connecting pipe and a heat dissipation bowl in the utility model.

[0022] Figure 5 It is a structural schematic diagram of a connecting pipe and a mounting port in the utility model.

[0023] Figure 6 It is a structural schematic diagram of the heat dissipation bowl in the utility model.

[0024] Description of reference numerals:

[0025] Connecting pipe 1, oil filling sleeve 2, oil seal 3, oil inlet pipe 4, oil outlet pipe 5, heat dissipation bowl 6, spiral partition 7, installation port 8, convex ring 9, sealing ring 10, heat dissipation fin 11, corrugated plate 12, liquid inlet 13, liquid outlet hole 14, flange head 15. DETAILED DESCRIPTION

[0026] The technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. The preferred embodiments in the description are only used as examples, and all other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the utility model.

[0027] like Figure 1-6 As shown, this specific implementation adopts the following technical solutions:

[0028] It comprises a connecting pipe 1, wherein both left and right ports of the connecting pipe 1 are integrally provided with flange heads 15, and it also comprises:

[0029] An oil injection sleeve 2, wherein the oil injection sleeve 2 is movably mounted on the outer portion of the connecting pipe 1;

[0030] Oil seals 3, there are two oil seals 3 and both are sleeved on the connecting pipe 1, and the two oil seals 3 are respectively covered on the two ports of the oil injection sleeve 2;

[0031] An oil inlet pipe 4, wherein the oil inlet pipe 4 is passed through and fixed on one of the oil seals 3;

[0032] An oil outlet pipe 5, wherein the oil outlet pipe 5 is passed through and fixed on another oil seal 3;

[0033] The spiral partition plate 7 is fixedly arranged on the inner side wall of the oil injection sleeve 2, the inner side edge of the spiral partition plate 7 is abutted against the outer side wall of the connecting pipe 1, and the end side edge of the spiral partition plate 7 is abutted against the inner side wall of the oil seal 3;

[0034] Low-temperature coolant oil is fed into the oil filling sleeve 2 through the oil inlet pipe 4, and the coolant is guided through the spiral partition plate 7 in the oil filling sleeve 2 to form a spiral unidirectional forward fluid, and the coolant is discharged from the oil outlet pipe 5;

[0035] The heat dissipation bowl 6 is a plurality of heat dissipation bowls 6 and is arranged alternately between adjacent plates of the spiral partition 7; a mounting opening 8 is provided on the connecting pipe 1, and the heat dissipation bowl 6 is inserted into the mounting opening 8;

[0036] A convex ring 9, which is integrally formed and arranged on the outer side wall of the connecting pipe 1 and is located around the mounting opening 8;

[0037] The sealing ring 10 is integrally formed and arranged on the outer wall of the heat dissipation bowl 6, the sealing ring 10 is abutted against the convex ring 9, and the sealing ring 10 and the convex ring 9 are welded;

[0038] The port of the heat dissipation bowl 6 is arranged facing the inner cavity of the oil injection sleeve 2, so that the coolant in the oil injection sleeve 2 enters the heat dissipation bowl 6 to remove the heat, thereby maintaining the low temperature state of the heat dissipation bowl 6;

[0039] The heat dissipation fins 11 are fixedly arranged on the inner wall of the connecting tube 1, and the heat dissipation fins 11 are clamped on the heat dissipation bowl 6, so as to realize heat conduction between the heat dissipation fins 11 and the heat dissipation bowl 6, and the side of the heat dissipation fins 11 away from the heat dissipation bowl 6 is a suspended arrangement separated from the inner wall of the connecting tube 1;

[0040] The corrugated plate 12 is inserted into the port of the heat dissipation bowl 6, and the corrugated plate 12 does not contact the bottom of the heat dissipation bowl 6, so that a "U"-shaped loop is formed in the heat dissipation bowl 6 through the corrugated plate 12;

[0041] A liquid inlet 13 is provided on the side of the heat dissipation bowl 6 facing the flow direction of the coolant, and a liquid outlet 14 is provided on the other side wall of the heat dissipation bowl 6. Then, the coolant guided by the spiral partition 7 in the oil filling sleeve 2 enters the heat dissipation bowl 6 through the liquid inlet 13, and is guided by the corrugated plate 12 to form a reflux in the heat dissipation bowl 6, and then is discharged from the liquid outlet 14, thereby taking out the heat on the heat dissipation bowl 6.

[0042] When using the device, the connecting pipe 1 is installed in series between the vacuum tube and the front oil pump through the flange head 15, the oil inlet pipe 4 and the oil outlet pipe 5 are connected to the external circulation pump loop through the pipeline, and the coolant oil is injected between the oil injection sleeve 2 and the connecting pipe 1, and the equipment is started to enter the working state; when the oil and gas leaked from the front oil pump and escaped into the connecting sleeve moves to the side of the vacuum tube, it first passes through the connecting pipe 1, and then the oil and gas contact the heat sink 6 and the heat sink fins 11, so that the oil and gas are cooled by the low temperature zone formed by the heat sink 6 and the heat sink fins 11, so that the oil formed after cooling condenses and adheres to the heat sink fins 11, and As the oil accumulates, it falls from the heat sink 11 to be collected; the external circulation pump drives the coolant to circulate, so that the coolant enters the oil filling sleeve 2 from the oil inlet pipe 4 and moves in a spiral shape through the guidance of the spiral partition plate 7, and is finally discharged from the oil outlet pipe 5. When the coolant passes through the heat sink 6, it enters from the liquid inlet 13 of the heat sink 6 and flows through the bottom of the heat sink 6 after being guided by the corrugated plate 12, and then flows out from the other side of the corrugated plate 12 and is discharged from the liquid outlet 14 of the heat sink 6, so that the coolant forms a vortex in the heat sink 6 to cool the entire heat sink, and cools the heat sink fins 11 through heat conduction of the heat sink 6.

[0043] Compared with the prior art, the beneficial effects of the utility model are:

[0044] The device is provided with a connecting pipe 1 with a heat dissipation bowl 6 and heat dissipation fins 11 between the front oil pump and the vacuum tube, and an oil injection sleeve 2 with a spiral partition plate 7 is provided on the connecting pipe 1, so that low-temperature coolant is circulated in the oil injection sleeve 2, and heat is transferred through the heat dissipation bowl 6 and the heat dissipation fins 11, so as to realize cooling and condensation of oil and gas in the connecting pipe 1, thereby realizing recovery of oil and gas escaping from the front oil pump, and preventing oil and gas from entering the vacuum tube and causing pollution to subsequent processing workpieces.

[0045] For those skilled in the art, they can modify the technical solutions recorded in the aforementioned embodiments and make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A vacuum pipeline oil mist condenser for suppressing oil backflow, comprising a connecting pipe (1), wherein both left and right ends of the connecting pipe (1) are integrally formed with flange heads (15); characterized in that: It also contains: An oil injection sleeve (2), wherein the oil injection sleeve (2) is movably mounted on an extra portion of the connecting pipe (1); Oil seals (3), wherein the oil seals (3) are two and both are sleeved on the connecting pipe (1), and the two oil seals (3) are respectively covered on the two ends of the oil injection sleeve (2); An oil inlet pipe (4), wherein the oil inlet pipe (4) is passed through and fixed on one of the oil seals (3); An oil outlet pipe (5), wherein the oil outlet pipe (5) is passed through and fixed on another oil seal (3); The heat dissipation bowl (6) is a plurality of heat dissipation bowls (6), and the heat dissipation bowl (6) is inserted and fixed on the side wall of the connecting pipe (1), and the opening end of the heat dissipation bowl (6) is connected to the inner cavity of the oil injection sleeve (2).

2. The vacuum pipeline oil mist condenser for suppressing oil backflow according to claim 1, characterized in that: A spiral partition (7) is fixedly arranged on the inner wall of the oil injection sleeve (2), and the inner side edge of the spiral partition (7) is movably abutted against the outer wall of the connecting pipe (1), the heat dissipation bowl (6) and two adjacent plates of the spiral partition (7) are arranged alternately, and the end side edge of the spiral partition (7) is abutted against the inner wall of the oil seal (3).

3. The vacuum pipeline oil mist condenser for suppressing oil backflow according to claim 2, characterized in that: The side wall of the connecting pipe (1) is provided with an installation opening (8), the heat dissipation bowl (6) is inserted into the installation opening (8), a convex ring (9) is integrally formed around the installation opening (8) on the outer wall of the connecting pipe (1), and a sealing ring (10) is integrally formed on the outer wall of the heat dissipation bowl (6), and the sealing ring (10) is fixed on the convex ring (9).

4. The vacuum pipeline oil mist condenser for suppressing oil backflow according to claim 3, characterized in that: A heat dissipation fin (11) is fixedly arranged on the inner side wall of the connecting pipe (1), and the heat dissipation fin (11) is clamped on the heat dissipation bowl (6).

5. The vacuum pipeline oil mist condenser for suppressing oil backflow according to claim 4, characterized in that: The heat dissipation fin (11) is suspended from the inner wall of the connecting pipe (1) at a side away from the heat dissipation bowl (6).

6. The vacuum pipeline oil mist condenser for suppressing oil backflow according to claim 5, characterized in that: A corrugated plate (12) is inserted and fixed in the heat dissipation bowl (6), a liquid inlet (13) is provided on the side edge of the port of the heat dissipation bowl (6) located on one side of the corrugated plate (12), and a liquid outlet (14) is provided on the side plate of the heat dissipation bowl (6) located on the other side of the corrugated plate (12).

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