CN112228346A

CN112228346A - Cooling mechanism of screw machine cooling water delivery system

Info

Publication number: CN112228346A
Application number: CN202010971540.XA
Authority: CN
Inventors: 肖双慧; 肖金芳
Original assignee: Jiangxi Honghaili Energy Technology Co ltd
Current assignee: Jiangxi Honghaili Energy Technology Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-01-15

Abstract

The invention discloses a cooling mechanism of a cooling water delivery system of a screw machine, and relates to the field of cooling mechanisms. The oil delivery device comprises a shell and a plurality of second oil pipelines, wherein one side of the top of the shell is connected with an oil outlet pipe, the other side of the top of the shell is connected with an oil inlet pipe, the middle position of the top of the shell is connected with a water pipeline, a first valve is arranged on the outer surface of the water pipeline, a plurality of first support rods are fixed below the inner part of the shell, the top ends of the plurality of first support rods are connected with a third oil pipeline, the top of the oil pipeline in the third year is connected with the second oil pipeline through the water pipeline, and oil inlet holes are formed in one side of the top of the third oil pipeline and one side of the top of the second oil pipeline; through being provided with seal groove, sealed pad, oil filler point and logical oil passageway, when the installation because of first end cover and second end cover, the sealed pad of its one side all can block into to the seal groove in, and then can eliminate the clearance between end cover and shell, avoid fluid to flow to its leakproofness has been improved.

Description

Cooling mechanism of screw machine cooling water delivery system

Technical Field

The invention relates to the field of cooling mechanisms, in particular to a cooling mechanism of a cooling water delivery system of a screw machine.

Background

In the 20 th 30 s, the swedish engineer Alf Lysholm, in the research on gas turbines, wanted to find a compressor with a rotary motion, which is required to have a much higher rotational speed than the piston compressor in order to be directly driven by the gas turbine and not to surge, and in order to achieve the above-mentioned object, invented a screw compressor, which theoretically has the features required by him, but because of the very large displacement necessary to meet the requirements of the gas turbine operation, the screw compressor has not been used in this field, however, Alf Lysholm and its swedish SRM company have continued intensive research on the use of screw compressors in other fields.

The screw type water chiller is named as a screw type water chiller because a compressor is a screw type, and the unit is a gas refrigerant coming out of an evaporator; the refrigerant gas is cooled and condensed in a condenser at equal pressure, the refrigerant gas is condensed to form a liquid refrigerant, the liquid refrigerant is expanded to low pressure through a throttle valve to form a gas-liquid mixture, the liquid refrigerant at low temperature and low pressure absorbs heat of a cooled substance in an evaporator and is changed into a gas refrigerant again, and the gas refrigerant enters the compressor again through a pipeline to start new circulation.

According to the Chinese patent with the publication number of CN110242576A, the cooling mechanism of the screw machine cooling water delivery system comprises a pipe body, wherein the pipe body comprises a thin pipe and a thick pipe, the thick pipe is arranged at two ports of the thin pipe along the axial direction, and an oil inlet pipe and an oil outlet pipe are arranged on the peripheral side surface of the thin pipe; end covers I and II are respectively arranged at the end openings of the two thick pipes, and an end cover water inlet pipe and an end cover water outlet pipe are arranged on one end face of the end cover II; an external water outlet pipe and an external water inlet pipe are arranged on the peripheral side surface of the outer shell.

The oil liquid heat dissipation device quickly completes the heat dissipation work of oil liquid by matching the external heat dissipation channel and the internal heat dissipation channel; however, as the oil is accumulated together when entering the shell, the oil in the middle part is difficult to cool by the heat dissipation channel, so that the mechanism cannot perform overall cooling and heat dissipation on the oil, and the heat dissipation effect of the mechanism is affected; meanwhile, oil is accumulated in the shell for a long time, more oil is adhered to the inner wall of the shell, and the end cover needs to be detached, but the end cover is installed at the two ends of the shell through bolts, so that gaps exist at positions where the end cover is likely to be in contact with the shell, the sealing performance of the shell is reduced, the bolts are exposed in the air for a long time and are prone to rusting with water vapor, the bolts can be likely to rust, and then the bolts are unscrewed out from the end cover and the shell by an inconvenient user, so that the end cover is difficult to detach by the user, and the cleaning effect of the inner wall of the shell is influenced.

Disclosure of Invention

The invention aims to: in order to solve the problems that the existing cooling mechanism has poor cooling effect on oil, and the sealing performance of the shell is influenced by the existence of gaps between the oil and the end cover or the shell, which are used for cleaning the inner wall of the shell and the shell, and inconvenient disassembly of the end cover, the cooling mechanism of the cooling water delivery system of the screw machine is provided.

In order to achieve the purpose, the invention provides the following technical scheme: a cooling mechanism of a screw machine cooling water delivery system comprises a shell and a plurality of second oil delivery pipelines, wherein an oil outlet pipe is connected to one side of the top of the shell, an oil inlet pipe is connected to the other side of the top of the shell, a water delivery pipe is connected to the middle position of the top of the shell, a first valve is mounted on the outer surface of the water delivery pipe, a plurality of first supporting rods are fixed to the lower portion of the inner portion of the shell, a third oil delivery pipeline is connected to the top end of the plurality of first supporting rods, the top of the third oil delivery pipeline is connected with the second oil delivery pipeline through the first oil delivery pipeline, oil inlet holes are formed in one side of the top of the third oil delivery pipeline and one side of the top of the second oil delivery pipeline, an oil guide hopper is fixed to the inner portion of each oil inlet hole, an oil outlet hole is formed in one side of the bottom of the third oil delivery pipeline, a, a first oil pipeline is fixed at the bottom end of each of the second support rods, an oil inlet hopper is connected to one side of the top of each of the first oil pipelines, oil through holes are formed in one side of the bottoms of the first oil pipelines and the second oil pipelines, cooling liquid channels are formed in the first oil pipelines, the second oil pipelines and the third oil pipelines, a plurality of first water pipelines are connected between the bottom of each first oil pipeline and the top of one second oil pipeline, a third water pipeline is connected between the bottom of the other second oil pipeline and the top of the third oil pipeline, a second water pipeline is connected between the second oil pipelines, a drain pipe is connected to the middle position of the bottom of the third oil pipeline, a second valve is mounted on the outer surface of the drain pipe, and a first end cover and a second end cover are connected to the two ends of the shell through mounting bolts respectively, the utility model discloses a seal groove, including shell, first end cover, oil inlet pipe, end cover outlet pipe, oil filler point, oil through channel, seal groove, end cover inlet pipe, end cover outlet pipe, oil filler point has all been seted up at the top of first end cover and second end cover, the inside of first end cover and second end cover has all been seted up to the oil through channel, the seal groove has all been seted up to the both sides top and the both sides below of shell, the opposite side of first end cover and one side of second end cover all are fixed with the sealed pad that extends to the.

Preferably, the bottom end of the water pipe extends to the inside of the shell and is communicated with the cooling liquid channel, and the inner wall of the shell is coated with antirust paint.

Preferably, the seal groove all is the annular with sealed the pad, seal groove and sealed looks adaptation of filling up, just sealed the pad adopts rubber materials to make and forms.

Preferably, the oil inlet hopper is located right below the oil inlet pipe, the top of the oil inlet hopper is in contact with the inner wall of the shell, and the inner wall of the oil inlet hopper is smooth.

Preferably, the oil passage is annular, the oil passage is communicated with the oil filling hole, and the aperture of the oil filling hole is 2 cm.

Preferably, it is a plurality of first bracing piece equidistance distributes in the inside of shell, just first bracing piece adopts stainless steel material to make and forms.

Preferably, the first water conveying pipeline, the second water conveying pipeline and the third water conveying pipeline are all communicated with the cooling liquid channel.

Preferably, the oil guide bucket is located between the oil inlet hole and the oil through hole, and the inner wall of the oil guide bucket is smooth.

Preferably, the mounting bolt is provided with a plurality ofly, first end cover and second end cover all are connected with the shell is dismantled through mounting bolt, and is a plurality of mounting bolt is ring array form and distributes in one side of first end cover and second end cover.

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

1. the oil guide device is provided with an oil inlet hopper, a first oil conveying pipeline, an oil through hole, an oil guide hopper and an oil inlet hole. When oil needs to be cooled, a user opens the first valve and connects the water pipe with external cooling liquid supply equipment, then cooling liquid flows into the cooling liquid channels in the first oil pipelines through the water pipe and flows in the cooling liquid channels, then the cooling liquid enters the cooling liquid channels in the second oil pipelines through the first water pipe and flows into the cooling liquid channels in the plurality of second oil pipelines through the second water pipe and flows into the third oil pipelines through the third water pipe, and after the oil flows into the first oil pipelines through the oil inlet hopper, the oil flows in the first oil pipelines, flows into the oil guide hopper through the oil holes and flows into the second oil pipelines through the oil inlet holes, thereby flow in the second oil pipeline, flow in to the third oil pipeline again after that, and fluid is at the in-process that first oil pipeline, second oil pipeline and third oil pipeline flowed, and the time of flowing is longer, and then can make the coolant liquid absorb the heat between the fluid to improved the effect that the coolant liquid absorbed the heat, made fluid can obtain the cooling fast, and improved the radiating effect of mechanism.

2. According to the invention, by arranging the sealing groove, the sealing gasket, the oil injection hole and the oil through channel, when the first end cover and the second end cover are installed, the sealing gasket on one side of the first end cover and the second end cover is clamped into the sealing groove, so that the gap between the end cover and the shell can be eliminated, oil is prevented from flowing out, and the sealing property of the oil is improved; simultaneously the user can often add lubricating oil toward the oiling hole, lubricating oil can flow into to logical oil duct through the oiling hole in to flow into to the mounting bolt surface through the oil duct, in order to lubricate mounting bolt, prevent that mounting bolt from exposing in the air for a long time and rustting, and the person of facilitating the use can dismantle the mounting bolt on first end cover and the second end cover from the shell fast, and then improved the dismantlement efficiency of first end cover and second end cover.

Drawings

FIG. 1 is a schematic perspective view of the housing of the present invention;

FIG. 2 is a schematic front sectional view of the housing of the present invention;

FIG. 3 is a schematic front sectional view of a second end cap according to the present invention;

FIG. 4 is a perspective view of a second end cap according to the present invention;

fig. 5 is an enlarged structural diagram a of the present invention.

In the figure: 1. a housing; 2. a first end cap; 3. installing a bolt; 4. a second end cap; 5. an oil outlet pipe; 6. a water delivery pipe; 7. a first valve; 8. an oil inlet pipe; 9. a second valve; 10. an oil inlet hopper; 11. a first oil transport pipeline; 12. a coolant passage; 13. a drain pipe; 14. an oil through hole; 15. an oil guide hopper; 16. an oil inlet hole; 17. an oil outlet hole; 18. a first support bar; 19. a sealing groove; 20. a gasket; 21. an oil filler hole; 22. an end cover water inlet pipe; 23. an end cover water outlet pipe; 24. a second oil transport pipeline; 25. a third oil transport pipeline; 26. a first water delivery pipeline; 27. a second support bar; 28. a second water delivery pipeline; 29. a third water delivery pipeline; 30. and an oil channel.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention based on its overall structure.

Referring to fig. 1-5, a cooling mechanism of a screw machine cooling water delivery system includes a housing 1, a first end cover 2, a mounting bolt 3, a second end cover 4, an oil outlet pipe 5, a water delivery pipe 6, a first valve 7, an oil inlet pipe 8, a second valve 9, an oil inlet hopper 10, a first oil delivery pipe 11, a cooling liquid channel 12, a water outlet pipe 13, an oil through hole 14, an oil guide hopper 15, an oil inlet hole 16, an oil outlet hole 17, a first support rod 18, a seal groove 19, a seal gasket 20, an oil inlet hole 21, an end cover water inlet pipe 22, an end cover water outlet pipe 23, a second oil delivery pipe 24, a third oil delivery pipe 25, a first water delivery pipe 26, a second support rod 27, a second water delivery pipe 28, a third water delivery pipe 29 and an oil delivery pipe 30, wherein one side of the top of the housing 1 is connected with the oil outlet pipe 5, the other side of the top of the housing 1 is connected with the oil inlet pipe 8, the outer surface of the water conveying pipe 6 is provided with a first valve 7, a plurality of first supporting rods 18 are fixed below the inner part of the shell 1, the top ends of the plurality of first supporting rods 18 are connected with a third oil conveying pipeline 25, the top of the third oil conveying pipeline 25 is connected with a second oil conveying pipeline 24 through a first water conveying pipeline 26, oil inlet holes 16 are formed in one side of the top of the third oil conveying pipeline 25 and one side of the top of the second oil conveying pipeline 24, an oil guide bucket 15 is fixed inside the oil inlet holes 16, an oil outlet hole 17 is formed in one side of the bottom of the third oil conveying pipeline 25, a plurality of second supporting rods 27 are fixed above the inner part of the shell 1, first oil conveying pipelines 11 are fixed at the bottom ends of the plurality of second supporting rods 27, an oil inlet bucket 10 is connected to one side of the top of the first oil conveying pipeline 11, oil through holes 14 are formed in one sides of the bottoms of the first oil conveying pipeline 11 and the second oil conveying, The interior of the second oil pipeline 24 and the third oil pipeline 25 are both provided with a cooling liquid channel 12, a plurality of first oil pipelines 26 are connected between the bottom of the first oil pipeline 11 and the top of one second oil pipeline 24, a third oil pipeline 29 is connected between the bottom of the other second oil pipeline 24 and the top of the third oil pipeline 25, a second water pipeline 28 is connected between the plurality of second oil pipelines 24, a drain pipe 13 is connected at the middle position of the bottom of the third oil pipeline 25, a second valve 9 is arranged on the outer surface of the drain pipe 13, two ends of the shell 1 are respectively connected with a first end cover 2 and a second end cover 4 through mounting bolts 3, an end cover water inlet pipe 22 is connected above one side of the first end cover 2, an end cover water outlet pipe 23 is connected below one side of the first end cover 2, oil injection holes 21 are respectively arranged at the tops of the first end cover 2 and the second end cover 4, oil passage 30 has all been seted up to the inside of first end cap 2 and second end cap 4, and seal groove 19 has all been seted up to the both sides top and the both sides below of shell 1, and the opposite side of first end cap 2 and one side of second end cap 4 all are fixed with the sealed pad 20 that extends to the inside of seal groove 19.

Please refer to fig. 1, fig. 2 and fig. 4, the bottom end of the water pipe 6 extends to the inside of the housing 1 and is communicated with the cooling liquid channel 12, the inner wall of the housing 1 is coated with the anti-rust paint, so that the cooling liquid can enter the cooling liquid channel 12 through the water pipe 6; the sealing groove 19 and the sealing gasket 20 are both annular, the sealing groove 19 is matched with the sealing gasket 20, and the sealing gasket 20 is made of rubber materials, so that the sealing gasket 20 is clamped into the sealing groove 19, and the sealing performance of the shell 1 is improved.

Please refer to fig. 1, fig. 2, fig. 4 and fig. 5, the oil inlet hopper 10 is located right below the oil inlet pipe 8, the top of the oil inlet hopper 10 contacts with the inner wall of the housing 1, and the inner wall of the oil inlet hopper 10 is smooth, so that oil can conveniently flow into the oil inlet hopper 10 through the oil inlet pipe 8, and then the oil can flow into the first oil pipeline 11 through the oil inlet hopper 10; the oil through passage 30 is annular, the oil through passage 30 is communicated with the oil filling hole 21, and the aperture of the oil filling hole 21 is 2cm, so that lubricating oil can conveniently flow in the oil through passage 30.

Please refer to fig. 1, fig. 2 and fig. 4, a plurality of first supporting rods 18 are equidistantly distributed inside the casing 1, and the first supporting rods 18 are made of stainless steel material, and the first supporting rods 18 can support the third oil pipeline 25; the first water delivery pipe 26, the second water delivery pipe 28 and the third water delivery pipe 29 are all communicated with the cooling liquid channel, so that cooling liquid can conveniently circulate in the cooling liquid channel 12 through the first water delivery pipe 26, the second water delivery pipe 28 and the third water delivery pipe 29.

Please refer to fig. 1-5, the oil guide hopper 15 is located between the oil inlet 16 and the oil through hole 14, and the inner wall of the oil guide hopper 15 is smooth, so that the cooling liquid flows into the oil guide hopper 15 through the oil inlet 16 and then flows into the oil through hole 14 through the oil guide hopper 15; mounting bolt 3 is provided with a plurality ofly, and first end cover 2 and second end cover 4 all are connected with 1 dismantlements of shell through mounting bolt 3, and a plurality of mounting bolt 3 are ring array form and distribute in one side of first end cover 2 and second end cover 4, and the person of facilitating the use dismantles first end cover 2 and second end cover 4 from shell 1.

The working principle is as follows: firstly, when the oil needs to be cooled, the user opens the first valve 7, connects the water pipe 6 with the external cooling liquid supply equipment, then the cooling liquid flows into the cooling liquid channel 12 in the first oil pipeline 11 through the water pipe 6 and flows in the cooling liquid channel 12, then the cooling liquid enters the cooling liquid channel 12 in the second oil pipeline 24 through the first water pipeline 26, then flows into the cooling liquid channels 12 in the plurality of second oil pipelines 24 through the second water pipeline 28 and flows into the third oil pipeline 25 through the third water pipeline 29, and after the oil flows into the first oil pipeline 11 through the oil inlet hopper 10, the oil flows in the first oil pipeline 11, flows into the oil guide hopper 15 through the oil holes 14 and flows into the second oil pipeline 24 through the oil inlet holes 16, and then flows in the second oil pipeline 24, then the oil flows into the third oil pipeline 25, and the flowing time of the oil is long in the flowing process of the first oil pipeline 11, the second oil pipeline 24 and the third oil pipeline 25, so that the heat among the oil can be absorbed by the cooling liquid, and the cooled oil flows into the lower part of the inside of the shell 1 through the oil outlet 17; and because of first end cap 2 and second end cap 4 when the installation, the sealed pad 20 of its one side all can block into in the seal groove 19, and then can eliminate the clearance between first end cap 2 and second end cap 4 and shell 1, avoid fluid to flow out, the user can often add lubricating oil in oil filler point 21 simultaneously, lubricating oil can flow into to logical oil passageway 30 through oil filler point 21 in, and flow into to mounting bolt 3 surface through oil passageway 30, in order to lubricate mounting bolt 3, prevent that mounting bolt 3 from exposing in the air for a long time and rustting, and the person of facilitating the use can dismantle mounting bolt 3 on first end cap 2 and the second end cap 4 from shell 1 fast.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a screw machine cooling water delivery system's cooling body, includes shell (1) and a plurality of second oil pipeline (24), its characterized in that: the oil pipe structure is characterized in that an oil outlet pipe (5) is connected to one side of the top of the shell (1), an oil inlet pipe (8) is connected to the other side of the top of the shell (1), a water conveying pipe (6) is connected to the middle position of the top of the shell (1), a first valve (7) is installed on the outer surface of the water conveying pipe (6), a plurality of first supporting rods (18) are fixed to the lower portion of the inside of the shell (1), a third oil conveying pipeline (25) is connected to the top end of the first supporting rods (18), a second oil conveying pipeline (24) is connected to the top of the third oil conveying pipeline (25) through a first water conveying pipeline (26), oil inlet holes (16) are formed in one side of the top of the third oil conveying pipeline (25) and one side of the top of the second oil conveying pipeline (24), an oil guide bucket (15) is fixed to the inside of the oil inlet holes (16), an oil outlet hole (17) is formed in, a plurality of second supporting rods (27) are fixed above the inner portion of the shell (1), a plurality of first oil conveying pipelines (11) are fixed at the bottom ends of the second supporting rods (27), an oil inlet hopper (10) is connected to one side of the top of each first oil conveying pipeline (11), oil through holes (14) are formed in one sides of the bottoms of the first oil conveying pipelines (11) and the second oil conveying pipelines (24), cooling liquid channels (12) are formed in the interiors of the first oil conveying pipelines (11), the second oil conveying pipelines (24) and the third oil conveying pipelines (25), a plurality of first water conveying pipelines (26) are connected between the bottom of the first oil conveying pipeline (11) and the top of one second oil conveying pipeline (24), and a third water conveying pipeline (29) is connected between the bottom of the second oil conveying pipeline (24) and the top of the third oil conveying pipeline (25), a second water pipeline (28) is connected between the plurality of second oil pipelines (24), a drain pipe (13) is connected to the middle position of the bottom of the third oil pipeline (25), a second valve (9) is installed on the outer surface of the drain pipe (13), the two ends of the shell (1) are respectively connected with a first end cover (2) and a second end cover (4) through mounting bolts (3), an end cover water inlet pipe (22) is connected to the upper portion of one side of the first end cover (2), an end cover water outlet pipe (23) is connected to the lower portion of one side of the first end cover (2), oil filling holes (21) are respectively formed in the tops of the first end cover (2) and the second end cover (4), oil through channels (30) are respectively formed in the interiors of the first end cover (2) and the second end cover (4), and sealing grooves (19) are respectively formed in the upper portions and the lower portions of the two sides of the shell (, and sealing gaskets (20) extending into the sealing groove (19) are fixed on the other side of the first end cover (2) and one side of the second end cover (4).

2. The cooling mechanism of a cooling water delivery system of a screw machine according to claim 1, wherein: the bottom end of the water delivery pipe (6) extends to the inside of the shell (1) and is communicated with the cooling liquid channel (12), and the inner wall of the shell (1) is coated with antirust paint.

3. The cooling mechanism of a cooling water delivery system of a screw machine according to claim 1, wherein: seal groove (19) all are the annular with sealed pad (20), seal groove (19) and sealed pad (20) looks adaptation, just sealed pad (20) adopt rubber materials to make and form.

4. The cooling mechanism of a cooling water delivery system of a screw machine according to claim 1, wherein: the oil inlet hopper (10) is located right below the oil inlet pipe (8), the top of the oil inlet hopper (10) is in contact with the inner wall of the shell (1), and the inner wall of the oil inlet hopper (10) is smooth.

5. The cooling mechanism of a cooling water delivery system of a screw machine according to claim 1, wherein: the oil through channel (30) is annular, the oil through channel (30) is communicated with the oil filling hole (21), and the aperture of the oil filling hole (21) is 2 cm.

6. The cooling mechanism of a cooling water delivery system of a screw machine according to claim 1, wherein: a plurality of first bracing piece (18) equidistance distributes in the inside of shell (1), just first bracing piece (18) adopt stainless steel material to make and form.

7. The cooling mechanism of a cooling water delivery system of a screw machine according to claim 1, wherein: the first water conveying pipeline (26), the second water conveying pipeline (28) and the third water conveying pipeline (29) are communicated with the cooling liquid channel (12).

8. The cooling mechanism of a cooling water delivery system of a screw machine according to claim 1, wherein: the oil guide hopper (15) is positioned between the oil inlet hole (16) and the oil through hole (14), and the inner wall of the oil guide hopper (15) is smooth.

9. The cooling mechanism of a cooling water delivery system of a screw machine according to claim 1, wherein: the mounting bolt (3) are provided with a plurality of, first end cover (2) and second end cover (4) are all dismantled through mounting bolt (3) and shell (1) and are connected, and are a plurality of mounting bolt (3) are ring array form and distribute in one side of first end cover (2) and second end cover (4).