Oil mist separator for pharmaceutical production

Abstract

The invention provides an oil mist separator for pharmaceutical production, and belongs to the technical field of pharmaceutical production, the oil mist separator comprises a filter element, the upper end of the filter element is fixedly connected with a butt joint piece, the upper end of the butt joint piece is provided with an upper cover, and the lower end of the upper cover is provided with a barrel body; an oil scraping piece is arranged on the inner side of the filter element and comprises a rotating shaft screwed at the lower end of the barrel body, the other end of the connecting plate is fixedly connected with a scraping strip, and one side of the scraping strip is attached to the inner wall of the filter element; a pair of stop tables is arranged in the can body and is connected with the upper cover; a fastening cylinder and a compression cylinder are hooped on the peripheral surface of the barrel body; the fastening cylinder is connected with a pair of stop tables; a rotating cylinder is arranged on the peripheral face of the upper cover, a pair of connecting strips are arranged on the peripheral face of the changing cylinder, and the fastening cylinder is connected with the pair of connecting strips. The oil mist separator solves the problems that a lead screw and a sliding sleeve of an existing oil mist separator for pharmaceutical production are combined for a long time to be stuck, the sliding sleeve cannot be changed possibly in a severe condition, and the flow of oil scraping action cannot be guaranteed.

Description

Technical Field

[0001] The invention belongs to the technical field of medicine production, and in particular relates to an oil mist separator used in medicine production. Background Art

[0002] In the production process of biological drugs, the freeze dryer is a very common mechanical equipment. The freeze dryer is used to dry raw materials, intermediates, etc. During the use of the freeze dryer, since there is a lot of oil mist in the vacuum pump of the freeze dryer, an oil mist separator is installed on the vacuum pump of the freeze dryer to separate and recycle the oil mist.

[0003] The prior art CN220878093U discloses a cylinder body, a separation assembly is arranged on the top of the cylinder body, and an auxiliary assembly is arranged on the bottom of the cylinder body; a top cover in the separation assembly is threadedly sleeved on the top of the cylinder body, a mounting plate is fixedly connected to the bottom of the top cover, a filter element is abutted and connected to the bottom of the mounting plate, through grooves are provided on both sides of the surface of the mounting plate, a clamping block is slidably connected to the inner side of the through groove by a reset spring, a mounting block is clamped between the clamping block and an inner wall of one side of the through groove, a positioning column is welded on an outer wall of one side of the clamping block, a positioning hole is provided on an outer wall of one side of the mounting block, a clearance is fitted between the positioning column and the positioning hole, and the bottom of the mounting block is respectively welded to both sides of the top of the filter element; a bottom cover in the auxiliary assembly is threadedly sleeved on the bottom of the cylinder body, a screw rod is rotatably provided at the top center position of the bottom cover, a sliding sleeve is threadedly sleeved on the upper outer wall of the screw rod, and a scraper is fixedly connected to the outer side of the sliding sleeve. When the device is working, the sleeve moves by pulling the lead screw, and the sleeve then pulls the scraper to move vertically to scrape the oil droplets on the filter element to speed up the separation of the oil droplets from the filter element. However, the combination of the lead screw and the sleeve will become stuck after long-term use. In severe cases, the sleeve may be unable to move, and the oil scraping action cannot be guaranteed to proceed. Summary of the invention

[0004] The present invention provides an oil mist separator for pharmaceutical production, which aims to solve the problem that the combination of a screw rod and a sleeve of the existing oil mist separator for pharmaceutical production may become stuck after long-term use, and in severe cases, the sleeve may become unable to change, and the process of the oil scraping action cannot be guaranteed.

[0005] The embodiment of the present invention provides an oil mist separator for drug production, comprising a filter element, the upper end of the filter element is fixedly connected to a docking piece, an upper cover is arranged on the upper end of the docking piece, a barrel body is arranged on the lower end of the upper cover, a leakproof ring is arranged inside the barrel body, and the leakproof ring is attached to the lower end of the upper cover;

[0006] An oil scraper is installed on the inner side of the filter element. The oil scraper includes a rotating shaft screwed to the lower end of the barrel body. The upper end of the rotating shaft extends into the interior of the barrel body and is fixedly connected to a connecting plate. The other end of the connecting plate is fixedly connected to a scraper strip. One side of the scraper strip is in contact with the inner wall of the filter element.

[0007] A pair of stop platforms are installed in the barrel body, and the stop platforms are connected to the upper cover; a fastening cylinder and a compression cylinder are hooped on the outer circumference of the barrel body, the compression cylinder is connected to the fastening cylinder, and the fastening cylinder is connected to the pair of stop platforms; a rotating cylinder is installed on the outer circumference of the upper cover, a changing cylinder is installed on the side of the rotating cylinder close to the barrel body, a pair of connecting strips are installed on the outer circumference of the changing cylinder, and the fastening cylinder is connected to the pair of connecting strips.

[0008] Furthermore, the oil scraper also includes a fixed plate fixedly connected to the outer wall of the barrel, the fixed plate is fixedly connected to a motor, the output end of the motor is fixedly connected to sprocket 1, the lower end of the rotating shaft is fixedly connected to sprocket 2, and sprocket 1 and sprocket 2 are connected via a chain transmission.

[0009] Furthermore, the upper cover is embedded in the mouth of the barrel body, the leakproof ring is located at the upper end inside the barrel body, a groove is reserved at the mouth of the barrel body, the outer side of the upper cover is fixedly connected to the protrusion, and the protrusion is embedded in the groove.

[0010] Furthermore, a connection groove is reserved at the side of the barrel mouth, and a connection port is reserved at the lower end of the upper cover. The connection groove and the connection port are connected to each other. The stop platform is movably arranged in the connection groove, and one end of the stop platform is embedded in the connection port.

[0011] Furthermore, the fastening cylinder and the barrel body are movably connected, a waist-shaped opening is reserved on the bracket outside the fastening cylinder, the waist-shaped opening is skewed, and a variable column is installed on the outer peripheral surface of the stop platform, and the variable column is movably installed in the waist-shaped opening.

[0012] Furthermore, the compression tube and the barrel body are movably connected, the compression tube and the fastening tube are screwed together, the outer surface of the barrel body is clamped with a spiral beryllium copper wire, one end of the spiral beryllium copper wire is in contact with the barrel body, and the other end of the spiral beryllium copper wire is in contact with the compression tube.

[0013] Furthermore, a guide column is arranged on the outer surface of the barrel body, a Z-shaped groove is reserved on the wall surface of the pressing cylinder, and the guide column is movably arranged in the Z-shaped groove.

[0014] Furthermore, a threaded opening is reserved on the outer surface of the upper cover, the rotating cylinder is arranged on the outer side of the upper cover, a threaded opening is reserved on the inner surface of the rotating cylinder, the upper cover is threadedly connected with the rotating cylinder, a ring-shaped opening is reserved on the outer circumference of the rotating cylinder, and the variable cylinder is screwed into the ring-shaped opening.

[0015] Furthermore, one end of the connecting strip is screwed to the variable cylinder, a stop strip is arranged on the outer side of the fastening cylinder, and the other end of the connecting strip is arranged in the stop strip.

[0016] Furthermore, the docking piece includes a plurality of connection columns fixedly connected to the upper end of the filter element, the upper ends of the connection columns are fixedly connected to the threaded barrels, and the threaded barrels are threadedly connected to the threaded grooves at the upper end of the inner part of the upper cover.

[0017] The beneficial effects of the present invention are:

[0018] 1. The present invention drives sprocket one to rotate through a motor, and under the transmission of the sprocket, sprocket two rotates, sprocket two drives the rotating shaft to rotate, and the rotating shaft drives the scraper bar connected to the connecting plate to rotate. The rotating scraper bar can scrape the oil on the inner wall of the filter element, thereby making the oil scraping smoother and preventing jamming.

[0019] 2. The present invention utilizes the protrusion and the groove to perform accurate embedding, which can ensure that the connection groove and the connection port are aligned, and can prevent rotational displacement caused by assembly errors. The variable column and the waist-shaped port are movably connected, so that when the fastening cylinder is subjected to force, it can smoothly pull a pair of stop platforms to move inward or outward together. When the connection groove and the connection port are just right, the fastening cylinder and the pressure cylinder are subjected to the cooperation of the spiral beryllium copper wire to produce movement, and the fastening cylinder pulls the stop platform to express inward, so that one end of the stop platform can be embedded in the connection port, and the alignment is completed through the stop platform. The barrel body and the upper cover are assembled and tightened; after one end of the stop platform is embedded in the connection port, the tightening cylinder is rotated to allow the guide column to move to one end of the Z-shaped groove, and the compression cylinder is used to prevent the tightening cylinder from moving in the opposite direction, thereby ensuring the stability of the stop platform and making the connection between the barrel body and the upper cover more secure; when the barrel body and the upper cover are disassembled, the tightening cylinder is rotated in the opposite direction to allow the guide column to move to the bend of the Z-shaped groove, and then the tightening cylinder can be moved in the opposite direction to allow the guide column to move to the other bend of the Z-shaped groove, and the tightening cylinder pulls the tightening cylinder to move in the opposite direction together, and the spiral beryllium copper wire is slowly pressed. Slowly shorten, the fastening cylinder pulls the stop platform to move outward, and one end of the stop platform moves away from the connection port, so that the barrel body and the upper cover can be disassembled; after the barrel body and the upper cover are completely disassembled, the fastening cylinder is then rotated in the opposite direction to allow the guide column to move to the other end of the Z-shaped groove, and the movement of the fastening cylinder is blocked by the compression cylinder, and one end of the stop platform is completely in the connection groove to prevent the stop platform from interfering with the subsequent engagement of the barrel body and the upper cover; the Z-shaped groove and the guide column are movably connected, and when the guide column is at both ends of the Z-shaped groove, the fastening cylinder is constrained by the compression cylinder; when After the fastening cylinder pulls the stop platform to be embedded in the connecting mouth, the rotating cylinder is rotated, and the rotating cylinder pulls the connecting strip to change through the changing cylinder, so that the head end of the connecting strip is connected to the stop strip, thereby realizing twice restrained tightening of the fastening cylinder, ensuring the stability of the connection between the barrel body and the upper cover, and preventing disassembly caused by misoperation, which greatly improves the stability of the equipment and makes assembly and disassembly more convenient; after the upper cover and the barrel body are tightened, not only the leak-proof function is guaranteed, but also the disassembly and assembly are very convenient, which is convenient for the later cleaning, maintenance and other work, and it is very convenient to use.

[0020] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures particularly pointed out in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0022] Figure 1 This is a schematic diagram of the connection structure between the barrel body and the upper cover according to an embodiment of the present invention;

[0023] Figure 2 This is a schematic diagram of the disassembled structure of the barrel body and the upper cover of an embodiment of the present invention;

[0024] Figure 3 This is a schematic diagram of the structure of the barrel body of an embodiment of the present invention;

[0025] Figure 4 It is a schematic diagram of the structure of the upper cover part of an embodiment of the present invention;

[0026] Figure 5 It is a schematic diagram of the connection structure of the stop platform, the fastening cylinder and the pressing cylinder according to an embodiment of the present invention;

[0027] Figure 6 It is a schematic diagram of the disassembled structure of the stop platform, the fastening cylinder and the pressing cylinder according to an embodiment of the present invention;

[0028] Figure 7 It is a schematic diagram of the connection structure of the rotating cylinder, the variable cylinder and the connection strip according to an embodiment of the present invention;

[0029] Figure 8 It is a schematic diagram of the disassembled structure of the rotating cylinder, the variable cylinder and the connecting strip according to an embodiment of the present invention;

[0030] Fig. 9 A schematic diagram of the structure of a docking piece according to an embodiment of the present invention;

[0031] Fig.10 This is a schematic diagram of the structure of an oil scraper according to an embodiment of the present invention;

[0032] Fig.11 A schematic diagram of a sprocket and chain transmission structure according to an embodiment of the present invention;

[0033] : 1. filter element; 2. docking piece; 201. connecting column; 202. threaded barrel; 3. barrel body; 31. groove; 32. connecting groove; 33. guide column; 4. upper cover; 41. boss; 42. connecting port; 5. leak-proof ring; 6. stop platform; 61. variable column; 7. fastening barrel; 71. waist-shaped port; 72. stop strip; 8. compression barrel; 81. Z-shaped groove; 9. spiral beryllium copper wire; 10. rotating barrel; 101. ring-shaped port; 11. changing barrel; 12. connecting strip; 13. air outlet pipe; 14. oil return pipe; 15. liquid inlet pipe; 16. bayonet; 17. rotating shaft; 18. connecting plate; 19. scraper strip; 20. fixing plate; 21. motor; 22. sprocket one; 23. sprocket two. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solution and advantages of the technical solution of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described in conjunction with the drawings of specific embodiments of the present invention. The same figure marks in the drawings represent the same parts. It should be noted that the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] Reference Figure 1-Figure 2 The embodiment of the present invention provides an oil mist separator for drug production, comprising a filter element 1, the upper end of the filter element 1 is fixedly connected to a docking piece 2, an upper cover 4 is arranged on the upper end of the docking piece 2, a barrel body 3 is arranged on the lower end of the upper cover 4, a leakproof ring 5 is arranged inside the barrel body 3, the leakproof ring 5 and the lower end of the upper cover 4 are in contact with each other, a silicone pad is fixedly connected to the upper wall surface of the mouth of the barrel body 3, and the upper wall surface of the silicone pad is in close contact with the wall surface of the upper cover 4;

[0036] Reference Fig.10 and Fig.11 An oil scraper is installed on the inner side of the filter element 1. The oil scraper includes a rotating shaft 17 screwed to the lower end of the barrel body 3. The upper end of the rotating shaft 17 extends into the interior of the barrel body 3 and is fixedly connected to a connecting plate 18. The other end of the connecting plate 18 is fixedly connected to a scraper strip 19. One side of the scraper strip 19 is in contact with the inner wall of the filter element 1.

[0037] The oil scraper also includes a fixed plate 20 fixedly connected to the outer wall of the barrel body 3, a motor 21 fixedly connected to the fixed plate 20, an output end of the motor 21 fixedly connected to a sprocket 1 22, a lower end of the rotating shaft 17 fixedly connected to a sprocket 23, and the sprocket 1 22 and the sprocket 2 23 are connected via a chain drive.

[0038] The motor 21 drives the sprocket 1 22 to rotate, and under the transmission of the sprocket, the sprocket 2 23 rotates, the sprocket 2 23 drives the rotating shaft 17 to rotate, and the rotating shaft 17 drives the scraper 19 connected to the connecting plate 18 to rotate. The rotating scraper 19 can scrape the oil on the inner wall of the filter element 1, thereby making the oil scraping smoother and preventing jamming.

[0039] Reference Figure 1-Figure 10, a pair of stop platforms 6 are installed in the barrel body 3, and the stop platforms 6 are connected to the upper cover 4; a fastening cylinder 7 and a pressing cylinder 8 are hooped on the outer circumference of the barrel body 3, the pressing cylinder 8 is connected to the fastening cylinder 7, and the fastening cylinder 7 is connected to the pair of stop platforms 6; a rotating cylinder 10 is installed on the outer circumference of the upper cover 4, and a changing cylinder 11 is installed on the side of the rotating cylinder 10 close to the barrel body 3, and a pair of connecting strips 12 are installed on the outer circumference of the changing cylinder 11, and the fastening cylinder 7 is connected to the pair of connecting strips 12; the upper cover 4 is embedded in the mouth of the barrel body 3, the leak-proof ring 5 is at the upper end inside the barrel body 3, and a groove 31 is reserved at the mouth of the barrel body 3, and a protrusion 41 is fixedly connected to the outer side of the upper cover 4, and the protrusion 41 is embedded in the groove 31 , the protrusion 41 and the groove 31 are used to perform accurate engagement, which can ensure that the connecting groove 32 and the connecting port 42 are aligned, and can prevent rotational displacement caused by assembly errors; a connecting groove 32 is reserved on the side of the mouth of the barrel body 3, and a connecting port 42 is reserved at the lower end of the upper cover 4, the connecting groove 32 and the connecting port 42 are connected to each other, the stop platform 6 is movably arranged in the connecting groove 32, and one end of the stop platform 6 is embedded in the connecting port 42; the fastening tube 7 and the barrel body 3 are movably connected, and a waist-shaped opening 71 is reserved on the bracket outside the fastening tube 7, and the waist-shaped opening 71 is skewed, and a variable column 61 is arranged on the outer peripheral surface of the stop platform 6, and the variable column 61 is movably arranged in the waist-shaped opening 71.

[0040] The compression tube 8 is movably connected to the barrel body 3, and the compression tube 8 is screwed to the fastening tube 7. The outer surface of the barrel body 3 is clamped with a spiral beryllium copper wire 9, one end of the spiral beryllium copper wire 9 is in contact with the barrel body 3, and the other end of the spiral beryllium copper wire 9 is in contact with the compression tube 8.

[0041] The variable column 61 and the waist-shaped opening 71 are movably connected, so that when the fastening cylinder 7 is subjected to force, it can smoothly pull a pair of stop platforms 6 to move inward or outward; when the connecting groove 32 and the connecting opening 42 are exactly opposite, the fastening cylinder 7 and the pressure cylinder 8 are moved under the cooperation of the spiral beryllium copper wire 9, and the fastening cylinder 7 pulls the stop platform 6 inward, so that one end of the stop platform 6 can be embedded in the connecting opening 42, and the barrel body 3 and the upper cover 4 are assembled and fastened through the stop platform 6.

[0042] A guide column 33 is arranged on the outer surface of the barrel body 3, and a Z-shaped groove 81 is reserved on the wall surface of the compression cylinder 8, and the guide column 33 is movably arranged in the Z-shaped groove 81;

[0043] After one end of the stop platform 6 is embedded in the connection port 42, the fastening cylinder 7 is rotated to allow the guide column 33 to move to one end of the Z-shaped groove 81, and the compression cylinder 8 blocks the reverse movement of the fastening cylinder 7 to ensure the stability of the stop platform 6, thereby making the connection between the barrel body 3 and the upper cover 4 more secure; when the barrel body 3 and the upper cover 4 are disassembled, the fastening cylinder 7 is rotated in the reverse direction to allow the guide column 33 to move to the bending part of the Z-shaped groove 81, and then the fastening cylinder 7 can be reversely moved to allow the guide column 33 to move to another bending part of the Z-shaped groove 81, and the fastening cylinder 7 pulls the fastening cylinder 7 to move in the reverse direction together, and the spiral beryllium copper wire 9 is slowly shortened under pressure, and the fastening The cylinder 7 pulls the stop platform 6 to move outward, allowing one end of the stop platform 6 to move away from the connecting port 42, so that the barrel body 3 and the upper cover 4 can be disassembled; when the barrel body 3 and the upper cover 4 are completely disassembled, the fastening cylinder 7 is then rotated in the reverse direction to allow the guide column 33 to move to the other end of the Z-shaped groove 81, and the pressing cylinder 8 is used to block the fastening cylinder 7 from moving, and one end of the stop platform 6 is completely in the connecting groove 32 to prevent the stop platform 6 from interfering with the subsequent engagement of the barrel body 3 and the upper cover 4; it is movably connected to the Z-shaped groove 81 and the guide column 33. When the guide column 33 is at both ends of the Z-shaped groove 81, the pressing cylinder 8 is used to constrain the fastening cylinder 7.

[0044] The outer surface of the upper cover 4 is reserved with a threaded opening, the rotating cylinder 10 is arranged on the outer side of the upper cover 4, the inner surface of the rotating cylinder 10 is reserved with a threaded opening, the upper cover 4 is threadedly connected with the rotating cylinder 10, the outer circumferential surface of the rotating cylinder 10 is reserved with a ring-shaped opening 101, the variable cylinder 11 is screwed into the ring-shaped opening 101, one end of the connecting strip 12 is screwed into the variable cylinder 11, a stop strip 72 is arranged on the outer side of the fastening cylinder 7, and the other end of the connecting strip 12 is arranged in the stop strip 72;

[0045] After the fastening cylinder 7 pulls the stop platform 6 to be embedded in the connection port 42, the rotating cylinder 10 is rotated, and the rotating cylinder 10 pulls the connecting strip 12 to change through the changing cylinder 11, so that the head end of the connecting strip 12 is connected to the stop strip 72, thereby realizing the double restraint and tightening of the fastening cylinder 7, ensuring the stability of the connection between the barrel body 3 and the upper cover 4, and preventing disassembly due to misoperation, which greatly improves the stability of the equipment and makes assembly and disassembly more convenient.

[0046] When in use, when the upper cover 4 is covered on the barrel body 3, the leak-proof ring 5 and the barrel body 3 and the upper cover 4 are in contact with each other, so as to realize the leak-proof of the connection between the barrel body 3 and the upper cover 4; the protrusion 41 and the groove 31 are accurately engaged, so as to ensure that the connection groove 32 is directly opposite to the connection port 42; then the pressing cylinder 8 is rotated to make the guide column 33 move to the bending part of the Z-shaped groove 81, and the fastening cylinder 7 and the pressing cylinder 8 are moved under the cooperation of the spiral beryllium copper wire 9, and the guide column 33 moves to the other bending part of the Z-shaped groove 81, and the fastening cylinder 7 pulls the stop table 6 to move inward, so that one end of the stop table 6 can be engaged Connected to the connection port 42, the connection between the barrel body 3 and the upper cover 4 is tightened through the stop platform 6; then the pressing cylinder 8 is rotated, the guide column 33 is pulled to one end of the Z-shaped groove 81, and the tightening cylinder 7 is constrained through the pressing cylinder 8, and the tightening cylinder 7 is blocked from changing in the reverse direction, ensuring the stability of the stop platform 6; then the rotating cylinder 10 is rotated, and the rotating cylinder 10 pulls the connecting strip 12 to change through the changing cylinder 11, so that one end of the connecting strip 12 is connected to the stop strip 72, and the tightening cylinder 7 is constrained twice, ensuring the reliability of the assembly between the barrel body 3 and the upper cover 4;

[0047] When the barrel body 3 and the upper cover 4 are disassembled, the rotating cylinder 10 is rotated in the reverse direction, and the rotating cylinder 10 pulls the connecting strip 12 to move in the reverse direction through the changing cylinder 11, and the connecting strip 12 is rotated to move one end of the connecting strip 12 away from the stop strip 72; then the fastening cylinder 7 is rotated in the reverse direction to make the guide column 33 move to the bending part of the Z-shaped groove 81, and then the fastening cylinder 7 can be changed in the reverse direction to make the guide column 33 move to the other bending part of the Z-shaped groove 81, and the fastening cylinder 7 pulls the fastening cylinder 7 to move in the reverse direction together, and the spiral The beryllium copper wire 9 is gradually shortened, and the fastening cylinder 7 pulls the stop platform 6 to move outward, so that one end of the stop platform 6 is removed from the connection port 42, and the barrel body 3 and the upper cover 4 can be disassembled; after the barrel body 3 and the upper cover 4 are disassembled, the fastening cylinder 7 is then rotated in the reverse direction to allow the guide column 33 to move to the other end of the Z-shaped groove 81, and the fastening cylinder 7 is blocked by the pressing cylinder 8. One end of the stop platform 6 is completely embedded in the connection groove 32 to prevent the stop platform 6 from interfering with the subsequent assembly of the barrel body 3 and the upper cover 4;

[0048] After the upper cover 4 and the barrel body 3 are tightly closed, not only the leak-proof function is guaranteed, but also the disassembly and assembly are very convenient, which is convenient for the subsequent cleaning, maintenance and the like, and is very convenient to use.

[0049] Reference Fig. 9 The docking member 2 includes a plurality of connection posts 201 fixedly connected to the upper end of the filter element 1, and the upper end of the connection posts 201 is fixedly connected to the threaded barrel 202, and the threaded barrel 202 is threadedly connected to the threaded groove at the upper end of the upper cover 4. By rotating the filter element 1 to pull the connection posts 201 to rotate, the connection posts 201 pull the threaded barrel 202 to rotate, and then the threaded barrel 202 can be assembled or disassembled with the upper cover 4, thereby facilitating the disassembly and assembly of the filter element 1.

[0050] Reference Figure 1 and Fig.10 The upper end of the upper cover 4 is connected to the air outlet pipe 13, and the two sides of the bottom of the barrel body 3 are connected to the oil return pipe 14 and the liquid inlet pipe 15;

[0051] A bayonet 16 is reserved on the lower wall surface inside the barrel body 3 , and the lower end of the filter element 1 is clamped in the bayonet 16 .

[0052] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. An oil mist separator for pharmaceutical production, comprising a filter element, characterized in that: The upper end of the filter element is fixedly connected to the docking piece, the upper end of the docking piece is provided with an upper cover, the lower end of the upper cover is provided with a barrel body, a leakproof ring is provided inside the barrel body, and the leakproof ring is attached to the lower end of the upper cover; An oil scraper is installed on the inner side of the filter element. The oil scraper includes a rotating shaft screwed to the lower end of the barrel body. The upper end of the rotating shaft extends into the interior of the barrel body and is fixedly connected to a connecting plate. The other end of the connecting plate is fixedly connected to a scraper strip. One side of the scraper strip is in contact with the inner wall of the filter element. A pair of stop platforms are installed in the barrel body, and the stop platforms are connected to the upper cover; a fastening cylinder and a compression cylinder are hooped on the outer circumference of the barrel body, the compression cylinder is connected to the fastening cylinder, and the fastening cylinder is connected to the pair of stop platforms; a rotating cylinder is installed on the outer circumference of the upper cover, a changing cylinder is installed on the side of the rotating cylinder close to the barrel body, a pair of connecting strips are installed on the outer circumference of the changing cylinder, and the fastening cylinder is connected to the pair of connecting strips.

2. The oil mist separator for pharmaceutical production according to claim 1, characterized in that: The oil scraper also includes a fixed plate fixedly connected to the outer wall of the barrel body, the fixed plate is fixedly connected to a motor, the output end of the motor is fixedly connected to sprocket one, the lower end of the rotating shaft is fixedly connected to sprocket two, and sprocket one and sprocket two are connected via a chain transmission.

3. The oil mist separator for pharmaceutical production according to claim 1, characterized in that: The upper cover is embedded in the mouth of the barrel body, the leakproof ring is located at the upper end inside the barrel body, a groove is reserved at the mouth of the barrel body, the outer side of the upper cover is fixedly connected with a protrusion, and the protrusion is embedded in the groove.

4. The oil mist separator for pharmaceutical production according to claim 3, characterized in that: A connecting groove is reserved at the side of the barrel mouth, a connecting port is reserved at the lower end of the upper cover, the connecting groove and the connecting port are connected to each other, the stop platform is movably arranged in the connecting groove, and one end of the stop platform is embedded in the connecting port.

5. The oil mist separator for pharmaceutical production according to claim 4, characterized in that: The fastening cylinder is movably connected to the barrel body, a waist-shaped opening is reserved on the bracket outside the fastening cylinder, the waist-shaped opening is skewed, and a variable column is arranged on the outer peripheral surface of the stop table, and the variable column is movably arranged in the waist-shaped opening.

6. The oil mist separator for pharmaceutical production according to claim 1, characterized in that: The compression tube is movably connected to the barrel body, the compression tube is screwed to the fastening tube, the outer surface of the barrel body is clamped with a spiral beryllium copper wire, one end of the spiral beryllium copper wire is in contact with the barrel body, and the other end of the spiral beryllium copper wire is in contact with the compression tube.

7. The oil mist separator for pharmaceutical production according to claim 6, characterized in that: A guide column is arranged on the outer surface of the barrel body, a Z-shaped groove is reserved on the wall surface of the pressing cylinder, and the guide column is movably arranged in the Z-shaped groove.

8. The oil mist separator for pharmaceutical production according to claim 1, characterized in that: The outer surface of the upper cover is reserved with a threaded opening, the rotating cylinder is arranged on the outer side of the upper cover, the inner surface of the rotating cylinder is reserved with a threaded opening, the upper cover is threadedly connected with the rotating cylinder, the outer circumference of the rotating cylinder is reserved with a ring-shaped opening, and the variable cylinder is screwed into the ring-shaped opening.

9. The oil mist separator for pharmaceutical production according to claim 8, characterized in that: One end of the connecting strip is screwed to the variable cylinder, a stop strip is arranged on the outer side of the fastening cylinder, and the other end of the connecting strip is arranged in the stop strip.

10. The oil mist separator for pharmaceutical production according to claim 1, characterized in that: The docking piece comprises a plurality of connection columns fixedly connected to the upper end of the filter element, the upper ends of the connection columns are fixedly connected to the threaded barrels, and the threaded barrels are threadedly connected to the threaded grooves at the upper end of the inner part of the upper cover.

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