CN220496642U - Powder recovery device of laser particle size distribution instrument - Google Patents

Abstract

The utility model relates to a powder recovery field, concretely relates to laser particle size distribution appearance powder recovery unit, including cyclone and air pump, be connected with the intake pipe on cyclone is close to a lateral wall at top, cyclone's bottom is connected with the discharging pipe, the discharging pipe is keeping away from the mouth of pipe department of cyclone one end is provided with seal assembly, cyclone's top is connected with first outlet duct, the other end of first outlet duct with the air inlet of air pump links to each other, the gas outlet department of air pump is connected with the second outlet duct. The cyclone separator is adopted in the application, so that the powder can be effectively recovered without using a filter assembly by the laser particle size distribution instrument powder recovery device, and compared with the existing powder recovery device, the production cost and the powder recovery cost are reduced.

Description

Powder recovery device of laser particle size distribution instrument

Technical Field

The application relates to the field of powder recovery, in particular to a powder recovery device of a laser particle size distribution instrument.

Background

A laser particle size distribution apparatus is an apparatus for measuring particle size using scattering (diffraction) phenomenon of light by particles. In industrial production, some materials are required to be prepared in terms of particle size of powdery raw materials, and the particle size of the powdery raw materials is measured in a laboratory by a laser particle size distribution instrument before mass production. The raw materials after measurement are recovered by a powder recovery device in order to avoid polluting the laboratory.

The existing powder recovery device comprises a first dust collection cylinder, a second dust collection cylinder and an air pump which are sequentially connected, wherein a first filter assembly is arranged in the first dust collection cylinder, and a second filter assembly is arranged in the second dust collection cylinder. Above-mentioned powder recovery unit is under the effect of air pump for the gas that has the dust filters through first filter component and second filter component in proper order, with this gaseous emission of messenger's laser particle size distribution appearance accords with the laboratory emission requirement.

In the actual use process of the powder recycling device, in order to ensure the filtering effect of the powder, the powder recycling device generally needs to be customized, and the first filtering component and the second filtering component of the powder recycling device need to be replaced regularly, which results in higher production cost of the powder recycling device and corresponding powder recycling cost.

Disclosure of Invention

In order to reduce the production cost and the powder recovery cost of the powder recovery device, the application provides a laser particle size distribution instrument powder recovery device, which is lower in production cost and powder recovery cost compared with the existing powder recovery device.

The application provides a laser particle size distribution appearance powder recovery unit adopts following technical scheme:

the utility model provides a laser particle size distribution appearance powder recovery unit, includes cyclone and air pump, be connected with the intake pipe on cyclone is close to a lateral wall at top, cyclone's bottom is connected with the discharging pipe, the discharging pipe is keeping away from the mouth of pipe department of cyclone one end is provided with seal assembly, cyclone's top is connected with first outlet duct, first outlet duct's the other end with the air inlet of air pump links to each other, the gas outlet department of air pump is connected with the second outlet duct.

By adopting the technical scheme, powder-containing gas enters the cyclone separator from the gas inlet pipe, powder and gas are separated in the cyclone separator, the powder is finally discharged from the discharge pipe, and the gas is discharged through the first gas outlet pipe, the gas pump and the second gas outlet pipe; the cyclone separator enables the laser particle size distribution instrument powder recovery device to effectively recover powder without using a filtering component, and compared with the existing powder recovery device, the production cost and the powder recovery cost are reduced.

Preferably, a vent pipe and a guide plate are arranged in the cyclone separator; one end of the vent pipe is connected with the first air outlet pipe, and the other end of the vent pipe is suspended in the cyclone separator; the guide plate threads are wound on the periphery of the vent pipe, a spiral channel is formed by dividing a gap between the cyclone separator and the vent pipe through the guide plate, an air outlet of the spiral channel is communicated with the bottom end of the vent pipe, and powder-containing gas is guided and conveyed through the spiral channel.

Through adopting above-mentioned technical scheme, form a spiral passageway between breather pipe, deflector and the cyclone, contain powder gas and carry in the direction of spiral passageway for powder and gas constantly separate, and the powder reaches on the cyclone inner wall and finally discharges from the discharging pipe under the effect of centrifugal force, and the air current after the separation is rotatory circulation constantly after turning over in the cyclone and is flowed out the cyclone from the breather pipe.

Preferably, a clamping groove for the guide plate to rotationally clamp is formed in the inner wall of the cyclone separator.

Through adopting above-mentioned technical scheme, draw-in groove simple structure, deflector rotation joint is at the draw-in groove for the deflector can be in cyclone detachable installation, conveniently clear up the powder in the cyclone and on the deflector.

Preferably, the cyclone separator is provided with a positioning rod, and the positioning rod is simultaneously arranged in the guide plate and the cyclone separator in a penetrating way.

Through adopting above-mentioned technical scheme, the setting of locating lever makes the deflector spacing in cyclone to the deflector is difficult to follow draw-in groove counter-rotation and breaks away from cyclone, has improved the stability that the deflector is connected with cyclone.

Preferably, the cyclone separator is provided with an installation seat for clamping the positioning rod.

Through adopting above-mentioned technical scheme, locating lever joint is on the mount pad for the locating lever still passes through the mount pad with cyclone to be connected together when not using, has reduced the possibility that the locating lever was lost.

Preferably, a pressing component is arranged on a groove wall of one side of the clamping groove, which is close to the top of the cyclone separator, and the guide plate is pressed in the clamping groove by the pressing component.

Through adopting above-mentioned technical scheme, compress tightly the subassembly and compress tightly the deflector in the draw-in groove, reduced the clearance between the cell wall of deflector and draw-in groove for powder is difficult to fall into in the draw-in groove after the powder-containing gas gets into spiral passageway.

Preferably, the pressing assembly comprises a pressing strip and a plurality of springs, one side of the pressing strip is propped against the guide plate, the other side of the pressing strip is propped against the groove wall of the clamping groove, the springs are installed on one side, far away from the guide plate, of the pressing strip, an installation groove for installing the springs is formed in the groove wall of one side, close to the top of the cyclone separator, of the clamping groove, and the installation groove is communicated with the clamping groove.

Through adopting above-mentioned technical scheme, the pressure strip offsets with the deflector, and the spring is installed in the pressure strip one side of keeping away from the deflector for the spring is last to compress tightly the pressure strip on the deflector, thereby has reduced the clearance of deflector and draw-in groove's cell wall.

Preferably, the pressing strip is provided with a first flanging which movably covers the clamping groove, the first flanging extends to the top of the cyclone separator along a side, away from the bottom of the clamping groove, of the pressing strip, and the first flanging is tightly attached to the inner wall of the cyclone separator.

By adopting the technical scheme, the first flanging is arranged on the pressing strip, and when the pressing strip does not prop against the guide plate, the first flanging covers the clamping groove, so that powder is reduced from entering the clamping groove; when the pressing strip is pressed against the guide plate, the first overturning edge continuously moves towards the top of the cyclone separator along the inner wall of the cyclone separator, and the guide plate is conveniently clamped in the clamping groove.

Preferably, the second flange is arranged on the outer wall of the pipe orifice of the discharging pipe, the sealing assembly comprises a cover plate and a hoop, the cover plate covers the pipe orifice of the discharging pipe and is in sealing butt with the second flange, and the hoop is in cohesion with the second flange and the cover plate.

By adopting the technical scheme, the cover plate covers the pipe orifice of the discharging pipe, so that powder is stored in the cyclone separator; the cover plate is in sealing butt with the second flanging, and the hoop is used for embracing the second flanging and the cover plate, so that gas is difficult to flow out from the pipe orifice of the discharging pipe, and the tightness of the cyclone separator is improved.

Preferably, a bracket is arranged on the outer wall of the cyclone separator.

By adopting the technical scheme, the support provides a supporting function for the cyclone separator, so that the cyclone separator can stably separate powder from gas.

In summary, the present application has the following beneficial effects:

1. because the cyclone separator is adopted in the laser particle size distributor powder recovery device, powder can be effectively recovered without a filter assembly, and compared with the existing powder recovery device, the production cost and the powder recovery cost are reduced;

2. in the application, a spiral channel is preferably formed among the vent pipe, the guide plate and the cyclone separator, so that powder and gas are continuously separated in the cyclone separator; the guide plate is clamped in the clamping groove, so that the guide plate can be detached from the cyclone separator, and powder in the cyclone separator and on the guide plate can be cleaned conveniently;

3. in the application, the guide plate is preferably pressed in the clamping groove by adopting the arrangement of the pressing strip and the spring, so that powder is difficult to fall into the clamping groove after powder-containing gas enters the spiral channel; when the guide plate is not clamped in the clamping groove, the clamping groove can be covered by the first flanging, so that powder is reduced from entering the clamping groove; the arrangement of the second cover plate and the anchor ear enables powder to be stored in the cyclone separator and improves the sealing performance of the cyclone separator.

Drawings

Fig. 1 is a schematic structural view of a powder recovery device of a laser particle size distribution apparatus in an embodiment of the present application.

Fig. 2 is a schematic cross-sectional view of a cyclone separator according to an embodiment of the present application.

Fig. 3 is an enlarged schematic view of fig. 2 at a.

Fig. 4 is a schematic cross-sectional view of a cyclone separator according to an embodiment of the present application.

Fig. 5 is an enlarged schematic view of fig. 4 at B.

Fig. 6 is an enlarged schematic view of fig. 2 at C.

Reference numerals illustrate:

1. a cyclone separator; 11. an end cap; 12. a cylinder; 121. a clamping groove; 122. a compression assembly; 1221. a pressing bar; 1222. a spring; 1223. a first flanging; 123. a mounting groove; 124. a positioning rod; 125. a mounting base; 13. a cone; 14. a discharge pipe; 141. a second flanging; 15. a seal assembly; 151. a cover plate; 152. a hoop; 16. a bracket; 17. a vent pipe; 18. a guide plate; 19. a spiral channel; 2. an air pump; 3. an air inlet pipe; 4. a first air outlet pipe; 5. and a second air outlet pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to fig. 1 to 6 and the embodiments.

The embodiment of the application discloses a laser particle size distribution instrument powder recovery device, referring to fig. 1, comprising a cyclone separator 1 and an air pump 2.

Referring to fig. 1 and 2, an inlet pipe 3 is connected to a side wall of the cyclone 1 near the top so that powder-containing gas enters the cyclone 1 from the inlet pipe 3 and the powder is separated from the gas in the cyclone 1. A discharge pipe 14 is connected to the bottom of the cyclone 1, so that the powder finally discharges from the discharge pipe 14. The discharge pipe 14 is provided with a sealing assembly 15 at the pipe orifice of the end far away from the cyclone separator 1, so that gas is difficult to flow out of the pipe orifice of the discharge pipe 14, and continuous flow of the gas in the cyclone separator 1 is ensured. The top of the cyclone separator 1 is connected with a first air outlet pipe 4, and the other end of the first air outlet pipe 4 is connected with an air inlet of the air pump 2, so that the gas after powder separation flows from the cyclone separator 1 to the air pump 2. The second air outlet pipe 5 is connected to the gas outlet of the air pump 2, so that the gas after the powder is separated is continuously discharged, and the air pump 2 continuously works. The laser particle size distribution instrument powder recovery device can effectively recover powder without using a filter assembly, and compared with the existing powder recovery device, the laser particle size distribution instrument powder recovery device has the advantages that the production cost and the powder recovery cost are reduced.

The outer wall of the cyclone separator 1 is welded with a bracket 16, and the bracket 16 provides a supporting function for the cyclone separator 1, so that the cyclone separator 1 stably performs a separation process of powder and gas. The number of the brackets 16 may be three or more. In this embodiment, the number of the supports 16 is three, and the supporting points of the three supports 16 are connected to form an acute triangle, so that the stability of the cyclone separator 1 on the ground or other placement planes is ensured.

The cyclone 1 comprises an end cap 11, a barrel 12 and a cone 13 integrally connected to the barrel 12. The end cover 11 is in sealing clamping connection with the top of the cylinder 12, and the cone 13 is arranged at the bottom of the cylinder 12. The clamping structure is simple, so that the stability of connection between the end cover 11 and the cylinder 12 is guaranteed, and the end cover 11 is conveniently opened to clean powder on the inner wall of the cylinder 12 and the inner wall of the cone 13. The air inlet pipe 3 is provided on a side wall of the cylinder 12 near the top of the cylinder 12.

A breather pipe 17 and a guide plate 18 are installed in the cyclone 1. The vent pipe 17 is arranged on the end cover 11 in a penetrating way, one end of the vent pipe 17 is connected with the first air outlet pipe 4, and the other end of the vent pipe 17 is suspended in the cylinder 12. The guide plate 18 is welded and screwed around the circumference of the vent pipe 17, a gap between the cylinder 12 and the vent pipe 17 is divided by the guide plate 18 to form a spiral channel 19, the air outlet of the spiral channel 19 is communicated with the bottom end of the vent pipe 17, powder-containing gas is guided and conveyed through the spiral channel 19, so that powder and gas are continuously separated, the powder reaches the inner wall of the cyclone separator 1 under the action of centrifugal force and is finally discharged from the discharge pipe 14, and the separated air flow is turned over in the cone 13 after continuously rotating and circulating and flows out of the cyclone separator 1 from the vent pipe 17.

Referring to fig. 2 and 3, a clamping groove 121 for rotationally clamping the guide plate 18 is formed in the inner wall of the cylinder 12, the clamping groove 121 is simple in structure, and the guide plate 18 is rotationally clamped in the clamping groove 121, so that the guide plate 18 can be detachably mounted in the cylinder 12, and powder in the cylinder 12 and on the guide plate 18 can be conveniently cleaned.

The clamping groove 121 is provided with the compression assembly 122 on the groove wall of one side close to the top of the barrel 12, the compression assembly 122 compresses the guide plate 18 in the clamping groove 121, and the gap between the guide plate 18 and the groove wall of the clamping groove 121 is reduced, so that powder is difficult to fall into the clamping groove 121 after powder-containing gas enters the spiral channel 19.

The pressing assembly 122 includes a pressing bar 1221 and a plurality of springs 1222, wherein one side of the pressing bar 1221 abuts against the guide plate 18, and the other side of the pressing bar 1221 abuts against the groove wall of the clamping groove 121, such that the pressing bar 1221 and the guide plate 18 abut against each other in the clamping groove 121. The slot wall of one side of the clamping groove 121, which is close to the top of the cylinder 12, is provided with a plurality of mounting grooves 123, the mounting grooves 123 are communicated with the clamping groove 121, the springs 1222 are mounted in the mounting grooves 123, and the mounting grooves 123 enable the springs 1222 to be limited in the inner wall of the cylinder 12. One end of the spring 1222 is abutted against one side of the abutting strip 1221 away from the guide plate 18, and under the action of the elastic force of the spring 1222, the spring 1222 continuously presses the abutting strip 1221 against the guide plate 18, so that the gap between the guide plate 18 and the slot wall of the slot 121 is reduced.

The pressing strip 1221 is provided with a first flanging 1223 integrally connected with the pressing strip 1221, the first flanging 1223 extends to the top of the cylinder 12 along one side, away from the bottom of the clamping groove 121, of the pressing strip 1221, and the first flanging 1223 is tightly attached to the inner wall of the cylinder 12. When the pressing bar 1221 does not press against the guide plate 18, the first flange 1223 covers the clamping groove 121 under the elastic force of the spring 1222, so as to reduce powder entering the clamping groove 121. When the pressing bar 1221 abuts against the guide plate 18, the first flange 1223 continuously moves toward the top of the cylinder 12 along the inner wall of the cylinder 12, so that the guide plate 18 is conveniently clamped in the clamping groove 121.

Referring to fig. 4 and 5, a positioning rod 124 is disposed on the cylinder 12, and the positioning rod 124 is simultaneously inserted into the guide plate 18 and the cylinder 12, so that the guide plate 18 is limited in the cylinder 12, and the guide plate 18 is difficult to reversely rotate along the clamping groove 121 to separate from the cylinder 12, thereby improving the connection stability of the guide plate 18 and the cylinder 12.

The mounting seat 125 is welded on the cylinder 12, and the positioning rod 124 is clamped on the mounting seat 125, so that the positioning rod 124 is still connected with the cylinder 12 through the mounting seat 125 when not in use, and the possibility of losing the positioning rod 124 is reduced. The mounting seat 125 may be welded to the outer wall of the cylinder 12, or may be welded to the inner wall of the cylinder 12. In this embodiment, the mounting seat 125 is welded on the outer wall of the barrel 12, so that the technician can directly pull out the positioning rod 124 when the guide plate 18 needs to be rotated out of the barrel 12.

Referring to fig. 2 and 6, the tapping pipe 14 is integrally connected to the bottom of the cone 13, and a second flange 141 integrally connected to the tapping pipe 14 is provided on the outer wall of the nozzle of the tapping pipe 14. The seal assembly 15 includes a cover plate 151 and a collar 152, the cover plate 151 covering the mouth of the spout 14 so that powder is stored within the cone 13. The cover plate 151 is in sealing abutting connection with the second flanging 141, and the anchor ear 152 is enmeshed on the second flanging 141 and the cover plate 151, so that gas is difficult to flow out from the pipe orifice of the discharging pipe 14, and the tightness of the cyclone separator 1 is improved.

The implementation principle of the embodiment of the application is as follows:

powder-containing gas enters the cylinder 12 through the gas inlet pipe 3 and rotates along the spiral channel 19. Under the action of centrifugal force, the powder is continuously thrown to the inner walls of the cylinder 12 and the cone 13, and finally the powder is collected into the discharge pipe 14 and discharged. The separated gas is continuously rotated and flowed, and then turned over into an internal cyclone flow, and flows out of the cyclone separator 1 from the ventilating pipe 17. The separated gas is then discharged through the first gas outlet pipe 4, the gas pump 2 and the second gas outlet pipe 5.

When cleaning of the cyclone 1 and the guide plate 18 is required, the positioning rod 124 is pulled out, and the guide plate 18 is reversely rotated, so that the guide plate 18 and the vent pipe 17 are separated from the cylinder 12.

The present embodiment continuously separates powder through the spiral passage 19 in the cyclone 1 without using a filter assembly, and reduces production costs and recovery costs of powder compared to the existing powder recovery apparatus.

The present embodiment is merely illustrative of the present application and is not intended to be limiting, and those skilled in the art, after having read the present specification, may make modifications to the present embodiment without creative contribution as required, but is protected by patent laws within the scope of the claims of the present application.

Claims (10)

1. A laser particle size distribution appearance powder recovery unit, its characterized in that: including cyclone (1) and air pump (2), be connected with intake pipe (3) on cyclone (1) is close to a lateral wall at top, the bottom of cyclone (1) is connected with discharging pipe (14), discharging pipe (14) are being kept away from mouth of pipe department of cyclone (1) one end is provided with seal assembly (15), the top of cyclone (1) is connected with first outlet duct (4), the other end of first outlet duct (4) with the air inlet of air pump (2) links to each other, the gas outlet department of air pump (2) is connected with second outlet duct (5).

2. The laser particle size distribution instrument powder recovery apparatus according to claim 1, wherein: a vent pipe (17) and a guide plate (18) are arranged in the cyclone separator (1); one end of the vent pipe (17) is connected with the first air outlet pipe (4), and the other end of the vent pipe (17) is suspended in the cyclone separator (1); the guide plate (18) is wound on the periphery of the vent pipe (17), a gap between the cyclone separator (1) and the vent pipe (17) is divided into a spiral channel (19) through the guide plate (18), an air outlet of the spiral channel (19) is communicated with the bottom end of the vent pipe (17), and powder-containing gas is guided and conveyed through the spiral channel (19).

3. The laser particle size distribution instrument powder recovery apparatus according to claim 2, wherein: the inner wall of the cyclone separator (1) is provided with a clamping groove (121) for the guide plate (18) to be rotationally clamped.

4. A laser particle size distribution apparatus according to claim 3, wherein: the cyclone separator (1) is provided with a positioning rod (124), and the positioning rod (124) is simultaneously arranged in the guide plate (18) and the cyclone separator (1) in a penetrating way.

5. The laser particle size distribution instrument powder recovery apparatus according to claim 4, wherein: the cyclone separator (1) is provided with an installation seat (125) for clamping the positioning rod (124).

6. A laser particle size distribution apparatus according to claim 3, wherein: a pressing component (122) is arranged on the groove wall of one side, close to the top of the cyclone separator (1), of the clamping groove (121), and the guide plate (18) is pressed in the clamping groove (121) by the pressing component (122).

7. The laser particle size distribution instrument powder recovery apparatus according to claim 6, wherein: the compressing assembly (122) comprises a compressing strip (1221) and a plurality of springs (1222), one side of the compressing strip (1221) is propped against the guide plate (18), the other side of the compressing strip (1221) is propped against the groove wall of the clamping groove (121), the springs (1222) are installed on one side, far away from the guide plate (18), of the compressing strip (1221), the groove wall of one side, close to the top of the cyclone separator (1), of the clamping groove (121) is provided with an installation groove (123) for installing the springs (1222), and the installation groove (123) is communicated with the clamping groove (121).

8. The laser particle size distribution instrument powder recovery apparatus according to claim 7, wherein: the cyclone separator is characterized in that a first flanging (1223) which movably covers the clamping groove (121) is arranged on the pressing strip (1221), the first flanging (1223) extends towards the top of the cyclone separator (1) along one side, away from the bottom of the clamping groove (121), of the pressing strip (1221), and the first flanging (1223) is tightly attached to the inner wall of the cyclone separator (1).

9. The laser particle size distribution instrument powder recovery apparatus according to claim 1, wherein: the sealing assembly comprises a sealing assembly (15) and is characterized in that a second flanging (141) is arranged on the outer wall of a pipe orifice of the discharging pipe (14), the sealing assembly comprises a cover plate (151) and a hoop (152), the cover plate (151) covers the pipe orifice of the discharging pipe (14) and is in sealing butt with the second flanging (141), and the hoop (152) is in cohesion with the second flanging (141) and the cover plate (151).

10. The laser particle size distribution instrument powder recovery apparatus according to claim 1, wherein: the outer wall of the cyclone separator (1) is provided with a bracket (16).