CN115853780B - Variable pitch screw vacuum pump - Google Patents
Variable pitch screw vacuum pump Download PDFInfo
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- CN115853780B CN115853780B CN202211406067.6A CN202211406067A CN115853780B CN 115853780 B CN115853780 B CN 115853780B CN 202211406067 A CN202211406067 A CN 202211406067A CN 115853780 B CN115853780 B CN 115853780B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 146
- 238000001816 cooling Methods 0.000 claims abstract description 130
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 239000007921 spray Substances 0.000 claims abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 15
- 239000000498 cooling water Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- 239000004065 semiconductor Substances 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 11
- 238000004378 air conditioning Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 6
- 230000017525 heat dissipation Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 241000883990 Flabellum Species 0.000 claims description 2
- 230000003111 delayed effect Effects 0.000 abstract description 5
- 239000011229 interlayer Substances 0.000 description 13
- 239000010410 layer Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 238000005057 refrigeration Methods 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention discloses a variable pitch screw vacuum pump, which relates to the technical field of screw vacuum pumps and comprises a fixed shell, wherein two rotating holes are formed in two sides of the fixed shell, rotating screws are connected in each two rotating holes in a common rotating mode, one side of the fixed shell is fixedly connected with a driving motor, and the output end of the driving motor is fixedly connected with one end of one rotating screw. According to the invention, through the arrangement of the cooling mechanism, the heat-exchanged water passes through the cooling plate and then is converged with the water in the cooling box, and as the spray head is in a strip shape, the water can be dispersed and discharged, so that the contact area of the heat-exchanged water and the cooling plate is larger, and the contact time of the heat-exchanged water and the cooling plate is longer by matching with the V-shaped cooling plate, the water falling speed is delayed by the arrangement of the rotating blades, the water after heat exchange is fully cooled, and the water after full cooling can efficiently cool the rotating screw.
Description
Technical Field
The invention relates to the technical field of screw vacuum pumps, in particular to a variable-pitch screw vacuum pump.
Background
In the current industrial production, the vacuum pump is very popular, can vacuumize the connected equipment to form a specific working environment, is beneficial to material treatment and production and processing, and in the structure of the vacuum pump, the structure of the screw vacuum pump is widely used, wherein the screw vacuum pump is a dry vacuum pump, and is a vacuum pumping equipment with suction, compression and exhaust functions, which is formed by synchronously rotating a pair of intermeshing main rotors at high speed in a pump cavity formed by a pump body, an air inlet side middle wall, an air exhaust side middle wall and the like.
The utility model discloses a publication number CN114562455A discloses a variable pitch screw dry vacuum pump, relates to the field of screw dry vacuum pump, and it includes the pump body, drive screw and driving piece, still includes the shock mount pad, is equipped with elastic component one on the shock mount pad, and elastic component one supports tightly in the pump body for the pump body has the trend of keeping away from the shock mount pad, still slides on the shock mount pad and is connected with the butt piece, is equipped with the setting element that is used for the location on the butt piece.
However, the above invention has the following disadvantages: the variable pitch screw vacuum pump is in the in-process of using, because can produce the high temperature to gas compression, lead to the temperature of screw rod and pump body too high, most adoption carries out the water-cooling to the pump body, and is direct to screw rod water-cooling's less, at the in-process of cooling down, need carry out cooling down to water, current cooling down water mode is comparatively simple for water passes fast between the cooling fin, and area of contact with the cooling fin is also little, leads to the cooling effect to water not ideal, and then can reduce the cooling effect to screw thread and pump body.
Disclosure of Invention
The invention aims to provide a variable pitch screw vacuum pump, which solves the problems in the prior art.
The technical scheme of the invention is as follows: the variable pitch screw vacuum pump comprises a fixed shell, wherein two rotating holes are formed in two sides of the fixed shell, the two rotating holes which are opposite to each other are connected with rotating screws in a co-rotating mode, one side of the fixed shell is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected to one end of one rotating screw, one end of each rotating screw is provided with a water through groove, and the variable pitch screw vacuum pump further comprises a water through groove;
the two connecting gears are respectively connected to the two rotating screws in a key way, and the two gears are meshed;
the two partition plates are fixedly connected to the inner wall of the fixed shell, the two partition plates are rotatably sleeved on the two rotating screw rods, the two rotating screw rods are rotatably sleeved with a fixed box, two sides of the fixed box are respectively and fixedly connected to one sides of the two partition plates, a plurality of water inlets are uniformly formed in the inner side walls of the cylinders of the two water through tanks, and the water inlets are positioned in the fixed box;
the top of the cooling box is fixedly connected to the bottom of the fixed shell;
the cooling mechanism is positioned on the cooling box and is used for thoroughly cooling water;
the circulating mechanism is positioned in the cooling box and is used for reducing cold air consumption in the water conveying process;
the cooling mechanism comprises a fixing hole formed in one side inner wall of the cooling box, a water outlet pipe is fixedly connected in the fixing hole, a triangular pipe is fixedly connected to the top end of the water outlet pipe, two top ends of the triangular pipe are respectively connected to one ends of two rotating screws in a rotating mode, a water spray head is fixedly connected to the other end of the water outlet pipe, a mounting hole is formed in one side inner wall of the cooling box, a semiconductor refrigerating plate is fixedly connected in the mounting hole, a refrigerating surface of the semiconductor refrigerating plate is fixedly connected with the cooling plate, the cooling plate is matched with the water spray head, and a plurality of heat dissipation plates are fixedly connected to a heating surface of the semiconductor refrigerating plate.
Preferably, the circulating mechanism comprises a water cooling unit and a cold air circulating unit, the water cooling unit comprises a water pump fixedly connected to the cooling box, a water inlet pipe is fixedly connected to the water inlet hole of the water pump, a water guide pipe is fixedly connected to the water outlet hole of the water pump, a connecting hole is formed in the inner wall of the bottom of the fixing shell, and one end of the water guide pipe penetrates through the connecting hole and is fixedly communicated with the bottom of the fixing box.
Preferably, the inside of fixed shell is equipped with the intermediate layer, fixedly connected with branch pipe on the aqueduct, the one end of branch pipe is fixed to be linked together in the feed liquor downthehole of intermediate layer, the fixed intercommunication in the feed liquor downthehole of intermediate layer has the drain pipe, has offered the wash port jointly on fixed shell and the cooling tank, and the drain pipe runs through the wash port and extends to in the cooling tank.
Preferably, the cold air circulation unit comprises a fixed outer cover fixedly sleeved on the water guide pipe, two connecting pipes are fixedly communicated between the fixed outer cover and the cooling box, one of the connecting pipes is fixedly connected with an electric motor, the output end of the electric motor is connected with a rotating shaft through a coupling, one of the output ends of the electric motor is provided with a movable hole through the inner wall of the connecting pipe, and one end of the rotating shaft penetrates through the movable hole and is fixedly connected with a rotating fan blade.
Preferably, the inner wall of the cooling box is fixedly connected with an air deflector, and the air deflector is positioned at the air outlet end of the other connecting pipe.
Preferably, the cooling plate is provided with a bar-shaped hole, two sides of the cooling plate are fixedly connected with fixing blocks, and two fixing blocks are jointly connected with rotating blades in a rotating mode.
Preferably, an air outlet pipe is arranged on the inner wall of the fixed shell, and the air outlet pipe is positioned at one end close to the driving motor.
Preferably, the inner wall of the fixed shell is provided with an air inlet hole, an air inlet pipe is fixedly connected in the air inlet hole, the inner wall of the air inlet pipe is fixedly connected with a filter screen and an activated carbon layer, and the filter screen is positioned right above the activated carbon layer.
Preferably, the bottom of the fixed shell is fixedly connected with four fixed feet, and the bottoms of the four fixed feet are fixedly connected with a fixing frame together.
Compared with the prior art, the variable-pitch screw vacuum pump provided by the invention has the following improvements and advantages:
the method comprises the following steps: according to the invention, through the arrangement of the cooling mechanism, the heat-exchanged water passes through the cooling plate and then is converged with the water in the cooling box, and as the spray head is in a strip shape, the water can be dispersed and discharged, so that the contact area of the heat-exchanged water and the cooling plate is larger, and the contact time of the heat-exchanged water and the cooling plate is longer by matching with the V-shaped cooling plate, the water falling speed is delayed by the arrangement of the rotating blades, the water after heat exchange is fully cooled, and the water after full cooling can efficiently cool the rotating screw.
And two,: according to the invention, through the arrangement of the circulating mechanism, the electric motor rotates to drive the rotating shaft to rotate, the rotating shaft rotates to drive the rotating blades to rotate, and the rotating blades can suck cold air in the cooling box, so that the cold air enters the fixed outer cover through the current connecting pipe and then is blown into the cooling box through the other connecting pipe, the cold air in the cooling box can circularly flow, the circularly flowing cold air can wrap the water guide pipe, the cooling water is less in cold air dissipation in the process of conveying the cooling water, and the cooling effect of the cooling water on the rotating screw is improved.
And thirdly,: according to the invention, the valve is arranged on the water guide pipe, when the vacuum pump is not in a high temperature state, the valve is not required to be opened, so that the water pump guides the pumped water into the interlayer through the water guide pipe and the branch pipe, then the water in the interlayer enters the cooling box for cooling through the water discharge pipe, the fixed shell is cooled through the water circulation of the interlayer, the normal cooling of the vacuum pump is realized, and when the vacuum pump is in a high temperature state, the valve is opened, so that the cooling water simultaneously dissipates the heat of the fixed shell and the rotating screw, and the vacuum pump can be efficiently cooled.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of another perspective overall perspective in the present invention;
FIG. 3 is a schematic view showing the internal perspective structure of the fixing case according to the present invention;
FIG. 4 is a schematic view showing the internal perspective structure of the fixing case according to the present invention;
FIG. 5 is a schematic perspective view of a cooling mechanism according to the present invention;
FIG. 6 is a schematic perspective view of a circulation mechanism according to the present invention;
FIG. 7 is a schematic view showing an internal cross-sectional structure of an air inlet pipe according to the present invention;
fig. 8 is a schematic diagram of a matched three-dimensional structure of a refrigeration plate, a fixed block and a rotating blade in the invention.
Reference numerals:
1. a fixed case; 101. a driving motor; 102. rotating the screw; 103. an air outlet pipe; 104. a partition plate; 105. a fixed box; 106. a water inlet hole; 107. a gear; 108. a fixed foot; 109. a fixing frame; 2. a cooling box; 201. a semiconductor refrigeration plate; 202. a cooling plate; 203. a fixed block; 204. a rotating blade; 205. a water outlet pipe; 206. a water spray head; 207. triangular tube; 208. a heat dissipation plate; 3. a water pump; 301. a water inlet pipe; 302. a water conduit; 303. fixing the outer cover; 304. a connecting pipe; 305. an electric motor; 306. a rotating shaft; 307. rotating the fan blades; 308. an air deflector; 309. a branch pipe; 310. a drain pipe; 4. an air inlet pipe; 401. a filter screen; 402. an activated carbon layer.
Detailed Description
The following detailed description of the present invention clearly and fully describes the technical solutions of the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a variable pitch screw vacuum pump through improvement, which comprises the following technical scheme:
as shown in fig. 1 to 8, the embodiment of the invention provides a variable pitch screw vacuum pump, which comprises a fixed shell 1, wherein two rotating holes are formed in two sides of the fixed shell 1, two rotating holes which are opposite to each other are connected with rotating screws 102 in a co-rotating way, one side of the fixed shell 1 is fixedly connected with a driving motor 101, the output end of the driving motor 101 is fixedly connected with one end of one rotating screw 102, one end of each rotating screw 102 is provided with a water through groove, and the variable pitch screw vacuum pump further comprises;
two connecting gears 107, wherein the two connecting gears 107 are respectively connected to the two rotating screws 102 in a key way, and the two gears 107 are meshed;
the two partition plates 104 are fixedly connected to the inner wall of the fixed shell 1, the two partition plates 104 are rotatably sleeved on the two rotary screw rods 102, the two rotary screw rods 102 are rotatably sleeved with the fixed box 105, two sides of the fixed box 105 are respectively and fixedly connected to one sides of the two partition plates 104, a plurality of water inlets 106 are uniformly formed in the inner side walls of the cylinders of the two water channels, and the water inlets 106 are positioned in the fixed box 105;
the top of the cooling box 2 is fixedly connected to the bottom of the fixed shell 1;
the cooling mechanism is positioned on the cooling box 2 and is used for thoroughly cooling water;
the circulating mechanism is positioned in the cooling box 2 and is used for reducing the consumption of cold air in the water conveying process;
the cooling mechanism comprises a fixing hole formed in the inner wall of one side of the cooling box 2, a water outlet pipe 205 is fixedly connected in the fixing hole, a triangular pipe 207 is fixedly connected to the top end of the water outlet pipe 205, two top ends of the triangular pipe 207 are respectively connected to one ends of the two rotating screws 102 in a rotating mode, a water spray head 206 is fixedly connected to the other end of the water outlet pipe 205, a mounting hole is formed in the inner wall of one side of the cooling box 2, a semiconductor refrigerating plate 201 is fixedly connected in the mounting hole, a refrigerating surface of the semiconductor refrigerating plate 201 is fixedly connected with a cooling plate 202, the cooling plate 202 is matched with the water spray head 206, and a plurality of heat dissipation plates 208 are fixedly connected to a heating surface of the semiconductor refrigerating plate 201; through cooling mechanism's setting, the water after the heat transfer is first through cooling plate 202 and then merges with the water in the cooling tank 2, because the shower nozzle is rectangular form, can be with water dispersion discharge for the area of contact of water after the heat transfer and cooling plate 202 is bigger, and cooperate the cooling plate 202 of "V" word shape, make the contact time of water after the heat transfer and cooling plate 202 longer, through the setting of rotating vane 204, the speed of falling under water has been delayed, the water after the heat transfer carries out abundant cooling, the hydroenergy after abundant cooling can be efficient cools off rotating screw 102.
Further, the circulation mechanism comprises a water cooling unit and a cold air circulation unit, the water cooling unit comprises a water pump 3 fixedly connected to the cooling box 2, a water inlet pipe 301 is fixedly connected to the water inlet hole of the water pump 3, a water guide pipe 302 is fixedly connected to the water outlet hole of the water pump 3, a connecting hole is formed in the inner wall of the bottom of the fixed shell 1, and one end of the water guide pipe 302 penetrates through the connecting hole and is fixedly communicated with the bottom of the fixed box 105; through the setting of water-cooling unit, water pump 3 is with the water in the cooler bin 2 through inlet tube 301 and water guide pipe 302 leading into in the fixed box 105, and the water that gets into in the fixed box 105 gets into in the rotation screw 102 from inlet opening 106 for the water carries out heat transfer cooling to rotation screw 102 back and exports through triangular tube 207, outlet pipe 205 and sprinkler bead 206, and then carries out cooling to rotation screw 102 through the mode of hydrologic cycle.
Further, an interlayer is arranged in the fixing shell 1, a branch pipe 309 is fixedly connected to the water guide pipe 302, one end of the branch pipe 309 is fixedly communicated with a liquid inlet hole of the interlayer, a drain pipe 310 is fixedly communicated with the liquid guide hole of the interlayer, drain holes are commonly formed in the fixing shell 1 and the cooling box 2, and the drain pipe 310 penetrates through the drain holes and extends into the cooling box 2; through the arrangement of the interlayer, the water pump 3 guides the pumped water into the interlayer through the water guide pipe 302 and the branch pipe 309, and then the water in the interlayer enters the cooling box 2 through the water discharge pipe 310 for cooling, so that the fixing shell 1 is cooled through the interlayer water circulation.
Further, the cold air circulation unit comprises a fixed outer cover 303 fixedly sleeved on the water guide pipe 302, two connecting pipes 304 are fixedly communicated between the fixed outer cover 303 and the cooling box 2, an electric motor 305 is fixedly connected to one of the connecting pipes 304, an output end of the electric motor 305 is connected with a rotating shaft 306 through a coupling, a movable hole is formed in the inner wall of one of the connecting pipes 304, and one end of the rotating shaft 306 penetrates through the movable hole and is fixedly connected with a rotating fan blade 307; through the setting of air conditioning circulation unit, electric motor 305 drives axis of rotation 306 and rotates flabellum 307 and rotates, rotates the air conditioning that rotates in fan 307 and can drive cooling box 2 and circulate and flow, and circulating flowing air conditioning can wrap up aqueduct 302, has realized carrying the in-process of cooling water, and the air conditioning dissipation of cooling water is few, and then has improved the cooling effect of cooling water to rotating screw 102.
Further, the inner wall of the cooling box 2 is fixedly connected with an air deflector 308, and the air deflector 308 is positioned at the air outlet end of the other connecting pipe 304; through the setting of aviation baffle 308, can lead the air conditioning of circulation flow, realized that the air conditioning of circulation flow can blow the water on the cooling plate 202, and then be favorable to cooling the water after the heat transfer.
Further, a bar-shaped hole is formed on the cooling plate 202, two sides of the cooling plate 202 are fixedly connected with fixed blocks 203, and the two fixed blocks 203 are connected with rotating blades 204 in a common rotation manner; through the setting of rotor blade 204, the in-process that water flows on cooling plate 202 can drive rotor blade 204 and rotate, has delayed the speed that falls under water, and the cooling plate 202 of "V" shape mutually cooperates, and then can fully cool off the heat exchange water fully.
Further, an air outlet pipe 103 is arranged on the inner wall of the fixed shell 1, and the air outlet pipe 103 is positioned at one end close to the driving motor 101; through the setting of air-out pipe 103, driving motor 101 drives and rotates screw 102 rotation and exports from air-out pipe 103 after compressing gas.
Further, an air inlet hole is formed in the inner wall of the fixed shell 1, an air inlet pipe 4 is fixedly connected in the air inlet hole, a filter screen 401 and an activated carbon layer 402 are fixedly connected to the inner wall of the air inlet pipe 4, and the filter screen 401 is positioned right above the activated carbon layer 402; through the setting of filter screen 401 for the vacuum pump is at the in-process of air inlet, has realized that great impurity in the air blocks, through the setting of active carbon layer 402, has realized adsorbing the harmful gas in the air.
Further, the bottom of the fixing shell 1 is fixedly connected with four fixing feet 108, and the bottoms of the four fixing feet 108 are fixedly connected with a fixing frame 109; through the setting of mount 109, can support the vacuum pump, realized being convenient for install the vacuum pump.
Working principle: through the arrangement of the semiconductor refrigeration plate 201, the semiconductor refrigeration plate 201 can refrigerate the cooling plate 202 after being electrified, and can cool the gas in the cooling box 2, the water pump 3 pumps the water in the cooling box 2 through the water inlet pipe 301, then the water is led into the fixed box 105 through the water guide pipe 302, the water entering the fixed box 105 enters the rotating screw 102 from the water inlet hole 106, the water exchanges heat and cools the rotating screw 102 and then is led out through the triangular pipe 207, the water outlet pipe 205 and the water spray head 206, the rotating screw 102 is cooled in a water circulation mode, the rotating screw 102 can not generate high temperature, the water sprayed out from the water spray head 206 can be converged with the water in the cooling box 2 after passing through the cooling plate 202, the water is dispersed and discharged through the long strip-shaped spray head, the contact area between the water after heat exchange and the cooling plate 202 is larger, and the V-shaped cooling plate 202 is matched, so that the contact time between the heat-exchanged water and the cooling plate 202 is longer, the heat-exchanged water can be contacted with the rotating blades 204 in the flowing process of the cooling plate 202 and drives the rotating blades 204 to rotate, the underwater falling speed is delayed, the water after heat exchange is fully cooled, the water after full cooling can efficiently cool the rotating screw 102, the cooling effect of the rotating threaded rod 102 is improved, because the valve is arranged on the water guide pipe 302, when the vacuum pump is in a high-temperature state, the heat dissipation requirement is smaller, the valve does not need to be opened, the water pump 3 guides the pumped water into the interlayer through the water guide pipe 302 and the branch pipe 309, then the water in the interlayer enters the cooling box 2 through the water drain pipe 310 to cool, the cooling of the fixed shell 1 through the interlayer water circulation is realized, the normal cooling of the vacuum pump is realized.
The electric motor 305 rotates to drive the rotation shaft 306 to rotate, the rotation shaft 306 rotates to drive the rotation fan blades 307 to rotate, the rotation fan blades 307 rotate to suck cold air in the cooling box 2, the cold air enters the fixed outer cover 303 through the current connecting pipe 304, and then the cold air is blown into the cooling box 2 through the other connecting pipe 304, so that the cold air in the cooling box 2 can circularly flow, the circularly flowing cold air can wrap the water guide pipe 302, the cooling water is conveyed in the process, the dissipation of the cold air of the cooling water is less, and the cooling effect of the cooling water on the rotating screw is improved.
The previous description is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides a variable pitch screw vacuum pump, includes fixed shell (1), its characterized in that: two rotating holes are formed in two sides of the fixed shell (1), the two rotating holes which are opposite to each other are connected with rotating screws (102) in a rotating mode, one side of the fixed shell (1) is fixedly connected with a driving motor (101), the output end of the driving motor (101) is fixedly connected to one end of one rotating screw (102), water passing grooves are formed in one end of each rotating screw (102), and the water passing device further comprises; the two connecting gears (107), the two connecting gears (107) are respectively connected to the two rotating screws (102) in a key way, and the two gears (107) are meshed; the two partition boards (104), the two partition boards (104) are fixedly connected to the inner wall of the fixed shell (1), the two partition boards (104) are rotatably sleeved on the two rotating screw rods (102), the two rotating screw rods (102) are rotatably sleeved with a fixed box (105), two sides of the fixed box (105) are respectively and fixedly connected to one side of the two partition boards (104), a plurality of water inlet holes (106) are uniformly formed in the inner side walls of cylinders of the two water channels, and the water inlet holes (106) are positioned in the fixed box (105); the top of the cooling box (2) is fixedly connected to the bottom of the fixed shell (1); the cooling mechanism is positioned on the cooling box (2) and is used for thoroughly cooling water; the circulating mechanism is positioned in the cooling box (2) and is used for reducing cold air consumption in the process of conveying water; the cooling mechanism comprises a fixing hole formed in one side inner wall of the cooling box (2), a water outlet pipe (205) is fixedly connected in the fixing hole, a triangular pipe (207) is fixedly connected to the top end of the water outlet pipe (205), two top ends of the triangular pipe (207) are respectively connected to one ends of two rotating screws (102) in a rotating mode, a water spray head (206) is fixedly connected to the other end of the water outlet pipe (205), a mounting hole is formed in one side inner wall of the cooling box (2), a semiconductor refrigerating plate (201) is fixedly connected in the mounting hole, a refrigerating surface of the semiconductor refrigerating plate (201) is fixedly connected with a cooling plate (202), the cooling plate (202) is matched with the water spray head (206), a plurality of heat dissipation plates (208) are fixedly connected to the heating surface of the semiconductor refrigerating plate (201), the circulating mechanism comprises a water cooling unit and a cold air circulating unit, the water cooling unit comprises a water pump (3) fixedly connected to the cooling box (2), a water inlet pipe (301) is fixedly connected to the water pump (3), a water inlet pipe (302) is fixedly connected to the water inlet pipe (3), a water guide pipe (302) is fixedly connected to the inner wall of the cooling box (2), one end of the cooling plate (302) is fixedly connected to the inner wall of the cooling box (302), and the inner wall of the cooling box (302) is fixedly connected with the inner part of the cooling box (302), the utility model discloses a cooling fan, including fixed cover (303) on aqueduct (302), fixed connection branch pipe (309) on aqueduct (302), the one end of branch pipe (309) is fixed to be linked together in the feed liquor downthehole of intermediate layer, the downthehole fixed intercommunication of intermediate layer drain pipe (310) have offered the wash port jointly on fixed shell (1) and cooling box (2), drain pipe (310) run through the wash port and extend to in cooling box (2), the air conditioning circulation unit including fixed cup joint in fixed dustcoat (303) on aqueduct (302), fixed cover (303) with fixed intercommunication has two connecting pipes (304) between cooling box (2), one of them fixedly connected with electric motor (305) on connecting pipe (304), the output of electric motor (305) is connected with axis of rotation (306) through the shaft coupling, one of them the movable hole has been seted up to the inner wall of connecting pipe (304), the one end of axis of rotation (306) runs through the movable hole and fixedly connected with flabellum (307).
2. A variable pitch screw vacuum pump as claimed in claim 1, wherein: the inner wall of the cooling box (2) is fixedly connected with an air deflector (308), and the air deflector (308) is positioned at the air outlet end of the other connecting pipe (304).
3. A variable pitch screw vacuum pump as claimed in claim 2, wherein: the cooling plate (202) is provided with a strip-shaped hole, two sides of the cooling plate (202) are fixedly connected with fixing blocks (203), and two fixing blocks (203) are connected with rotating blades (204) in a common rotation mode.
4. A variable pitch screw vacuum pump according to claim 3, wherein: an air outlet pipe (103) is arranged on the inner wall of the fixed shell (1), and the air outlet pipe (103) is positioned at one end close to the driving motor (101).
5. A variable pitch screw vacuum pump as claimed in claim 1, wherein: an air inlet hole is formed in the inner wall of the fixed shell (1), an air inlet pipe (4) is fixedly connected in the air inlet hole, a filter screen (401) and an activated carbon layer (402) are fixedly connected to the inner wall of the air inlet pipe (4), and the filter screen (401) is located right above the activated carbon layer (402).
6. A variable pitch screw vacuum pump as claimed in claim 5, wherein: the bottom of fixed shell (1) fixedly connected with four fixed feet (108), four the bottom of fixed foot (108) is fixedly connected with mount (109) jointly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211406067.6A CN115853780B (en) | 2022-11-10 | 2022-11-10 | Variable pitch screw vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211406067.6A CN115853780B (en) | 2022-11-10 | 2022-11-10 | Variable pitch screw vacuum pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115853780A CN115853780A (en) | 2023-03-28 |
| CN115853780B true CN115853780B (en) | 2023-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211406067.6A Active CN115853780B (en) | 2022-11-10 | 2022-11-10 | Variable pitch screw vacuum pump |
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| CN (1) | CN115853780B (en) |
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| CN117052662A (en) * | 2023-08-17 | 2023-11-14 | 威鹏晟(山东)机械有限公司 | External balance type screw vacuum pump |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1021654A1 (en) * | 1997-10-10 | 2000-07-26 | Leybold Vakuum GmbH | Screw vacuum pump provided with rotors |
| WO2007074807A1 (en) * | 2005-12-26 | 2007-07-05 | Kabushiki Kaisha Toyota Jidoshokki | Screw-type fluid machine |
| CN204082557U (en) * | 2014-09-19 | 2015-01-07 | 浙江摩泰螺杆真空泵有限公司 | Vacuum pump screw rotor cooling system |
| JP2017110517A (en) * | 2015-12-15 | 2017-06-22 | 株式会社日立産機システム | Screw fluid machine |
| CN113266454A (en) * | 2021-05-20 | 2021-08-17 | 肖立 | Dedicated circulating water cooling device of cylinder head |
| CN216812152U (en) * | 2022-01-21 | 2022-06-24 | 安徽非耀真空科技有限公司 | Variable-pitch screw vacuum pump |
-
2022
- 2022-11-10 CN CN202211406067.6A patent/CN115853780B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1021654A1 (en) * | 1997-10-10 | 2000-07-26 | Leybold Vakuum GmbH | Screw vacuum pump provided with rotors |
| WO2007074807A1 (en) * | 2005-12-26 | 2007-07-05 | Kabushiki Kaisha Toyota Jidoshokki | Screw-type fluid machine |
| CN204082557U (en) * | 2014-09-19 | 2015-01-07 | 浙江摩泰螺杆真空泵有限公司 | Vacuum pump screw rotor cooling system |
| JP2017110517A (en) * | 2015-12-15 | 2017-06-22 | 株式会社日立産機システム | Screw fluid machine |
| CN113266454A (en) * | 2021-05-20 | 2021-08-17 | 肖立 | Dedicated circulating water cooling device of cylinder head |
| CN216812152U (en) * | 2022-01-21 | 2022-06-24 | 安徽非耀真空科技有限公司 | Variable-pitch screw vacuum pump |
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| CN115853780A (en) | 2023-03-28 |
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Denomination of invention: A variable pitch screw vacuum pump Effective date of registration: 20231010 Granted publication date: 20230912 Pledgee: Jiangyin branch of Bank of China Ltd. Pledgor: JIANGYIN HUAXI ENERGY SAVING TECHNOLOGY CO.,LTD. Registration number: Y2023980060551 |
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