An online and offline powder impurity analyzer and analysis method

Abstract

The invention discloses an online and offline powder impurity analyzer and an analysis method in the technical field of powder impurity analyzers, comprising a feeding component, comprising a feeding pipe, wherein the feeding pipe is connected to a piston rod of a hydraulic cylinder, a cover plate structure is arranged on the feeding pipe, and a discharge structure is arranged on the cover plate structure; a discharge component, comprising a supporting groove, wherein the inner wall of the supporting groove is fittedly connected with a placement groove opposite to the feeding pipe, and a mounting seat is driven to move upward by a micro-electric telescopic rod so that a push plate is separated from the feeding pipe, and then the cover plate can be manually opened, at which time raw material powder is poured into the feeding pipe, and the cover plate is reset after the pouring is completed, and by rotating a handle, the push plate discharges all the raw material powder remaining on the inner wall of the feeding pipe into the placement groove, thereby solving the problem that the raw material powder cannot be completely discharged into the placement groove during feeding, which affects the detection of the next batch of raw material powder and causes inaccurate detection results.

Description

Technical Field

[0001] The invention relates to the technical field of powder impurity analyzers, and in particular to an online and offline powder impurity analyzer and an analysis method. Background Art

[0002] The quality standards of PVC raw materials currently adopt the quality recognition standards formulated by the state, that is, the number of impurity particles contained in the unit surface area of ​​PVC, which is generally detected by an online powder impurity analyzer.

[0003] The current online powder impurity analyzer is not convenient for offline testing when maintenance is required, and it is impossible to discharge all the raw material powder into the placement tank during feeding, which affects the detection of the next batch of raw material powder and causes inaccurate test results. For this reason, we propose an online and offline powder impurity analyzer and analysis method. Summary of the invention

[0004] The object of the present invention is to provide an online and offline powder impurity analyzer and analysis method to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an online and offline powder impurity analyzer, comprising: a feeding assembly, comprising a feeding pipe, the feeding pipe is connected to the piston rod of a hydraulic cylinder, a cover plate structure is arranged on the feeding pipe, and a discharge structure is arranged on the cover plate structure; a discharging assembly, comprising a supporting groove, the inner wall of the supporting groove is fittedly connected with a placement groove opposite to the feeding pipe, the bottom of the supporting groove is fittedly connected to a supporting block, the supporting block is sleeved on the outer side of a cross bar, and the cross bar is connected to the inner wall of a fixed groove, a connecting structure movably connected to the placement groove is arranged on the supporting block, and a sliding rod slidably connected to the fixed groove is arranged on the front side of the supporting groove; a detection assembly; a driving assembly, the driving assembly can drive the supporting block to move along the cross bar; an operation panel, the operation panel is arranged on the fixed groove.

[0006] As a preferred solution of the online and offline powder impurity analyzer described in the present invention, the cover plate structure includes a mounting seat, the mounting seat is rotatably connected to one end of the cover plate, the bottom of the mounting seat is connected to the power end of a micro electric telescopic rod, the micro electric telescopic rod is arranged on one side of the top of the feed pipe, and the cover plate is arranged on the top of the feed pipe.

[0007] As a preferred solution of the online and offline powder impurity analyzer described in the present invention, the discharge structure includes a support bearing arranged at the bottom of the cover plate, the bottom of the outer ring of the support bearing is connected to the push plate, the outer ring of the push plate is in contact with the inner wall of the feed pipe, the inner wall of the support bearing is connected to screw rod 1, and the top end of the screw rod 1 passes through the cover plate and is connected to handle 1.

[0008] As a preferred solution of the online and offline powder impurity analyzer described in the present invention, the connection structure includes a connecting frame arranged on the support block, a limiting rod inserted in the supporting groove vertically penetrates the connecting frame, the top of the limiting rod is connected to a pulling block, and the bottom of the pulling block is provided with a spring connected to the connecting frame.

[0009] As a preferred solution of the online and offline powder impurity analyzer described in the present invention, the detection component includes a guide rod arranged on the rear side of the support groove, a mounting plate is sleeved on the guide rod, a detection device is arranged on the mounting plate, a fixed bearing is arranged at the bottom of the mounting plate, the inner ring of the fixed bearing is connected to the second screw, the rear side of the second screw is connected with the second handle through the slider, and the rear inner wall of the fixed groove is transversely provided with a sliding groove slidably connected to the slider.

[0010] As a preferred solution of the online and offline powder impurity analyzer described in the present invention, the driving assembly includes a motor arranged on the left side of the inner wall of the fixed groove, the output shaft of the motor is connected to a screw rod rotatably connected to the inner wall of the fixed groove through a bearing, and the support block is screwed to the outside of the screw rod.

[0011] An analysis method of an online and offline powder impurity analyzer specifically comprises the following steps:

[0012] S1: The feed pipe is driven downward by a hydraulic cylinder so that its bottom moves into the placement slot. At this time, the mounting seat is driven upward by a micro-electric telescopic rod so that the push plate is separated from the feed pipe, and the cover plate can be manually opened. At this time, raw material powder is poured into the feed pipe. After the pouring is completed, the cover plate will be reset. By rotating handle 1, the push plate will discharge all the raw material powder remaining on the inner wall of the feed pipe into the placement slot. After completion, the cover plate is driven downward by the micro-electric telescopic rod to contact the top of the feed pipe, covering the feed pipe to prevent it from being contaminated. Finally, the feed pipe is driven upward by a hydraulic cylinder to leave the placement slot;

[0013] S2: By rotating the second handle, the second screw is guided by the guide rod, driving the fixed bearing and the mounting plate to move forward, so that the detection device moves to the top of the placement slot;

[0014] S3: The motor drives the screw rod to rotate, so that the support block drives the support slot to move to the right under the action of the connection structure, and drives the detection device to move at the same time, and then the raw material powder in the placement slot is detected by the detection device until the support slot moves to the right end, the placement slot is taken out upward and the detected raw material powder is poured out, and the detection result is displayed on the operation panel, completing the online detection;

[0015] S4: When maintaining the motor and the lead screw, the pull block is pulled upward to move the limit rod out of the support slot and drive the spring to stretch. At this time, the support slot is manually pulled to make the slide rod slide on the fixed slot, and the slider can slide on the slide slot, so that offline detection can be achieved.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: the mounting seat is driven to move upward by a micro-electric telescopic rod, so that the push plate is separated from the feed pipe, and the cover plate can be manually opened. At this time, raw material powder is poured into the feed pipe. After the pouring is completed, the cover plate will be reset, and by rotating handle one, the push plate will discharge all the raw material powder remaining on the inner wall of the feed pipe into the placement groove, which solves the problem that the raw material powder cannot be completely discharged into the placement groove during feeding, affecting the detection of the next batch of raw material powder and causing inaccurate detection results; by setting a support groove placed on the support block, and limiting the support groove by a movable limit rod, when maintaining the motor and the screw, the limit rod is moved out of the support groove by pulling the pull block upward, and the spring is driven to stretch. At this time, the support groove is manually pulled to make the slide rod slide on the fixed groove, and the slider can slide on the slide groove to realize offline detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of an online and offline powder impurity analyzer and analysis method of the present invention;

[0018] Figure 2 It is a schematic cross-sectional view of the overall structure of an online and offline powder impurity analyzer and analysis method of the present invention;

[0019] Figure 3 It is a partial structural schematic diagram of a feed assembly described in an online and offline powder impurity analyzer and analysis method of the present invention;

[0020] Figure 4 It is a partial structural schematic diagram of a discharge assembly described in an online and offline powder impurity analyzer and analysis method of the present invention;

[0021] Figure 5 The present invention is a schematic side view of the partial structure of the discharge component and the detection component of an online and offline powder impurity analyzer and analysis method.

[0022] In the figure: 1. feed pipe; 2. hydraulic cylinder; 3. support groove; 4. placement groove; 5. support block; 6. cross bar; 7. fixed groove; 8. operation panel; 9. mounting seat; 10. cover plate; 11. support bearing; 12. push plate; 13. screw rod 1; 14. handle 1; 15. micro electric telescopic rod; 16. connecting frame; 17. limit rod; 18. pull block; 19. spring; 20. guide rod; 21. mounting plate; 22. detection device; 23. fixed bearing; 24. screw rod 2; 25. slider; 26. handle 2; 27. slide groove; 28. slide rod; 29. ​​screw rod; 30. motor. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the 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.

[0024] Example 1

[0025] Reference Figures 1 to 5 An online and offline powder impurity analyzer includes a feed assembly, including a feed pipe 1, the feed pipe 1 is connected to the piston rod of a hydraulic cylinder 2, so that the feed pipe 1 is driven downward by the hydraulic cylinder 2 to move its bottom into a placement slot 4, which can reduce the waste caused by the dispersion of raw material powder when it falls from a high place, and a cover plate structure is arranged on the feed pipe 1, and a discharge structure is arranged on the cover plate structure;

[0026] The material discharge assembly includes a support groove 3, the inner wall of the support groove 3 is fitted with a placement groove 4 opposite to the feed pipe 1, the bottom of the support groove 3 is fitted with a support block 5, the support block 5 is sleeved on the outside of the cross bar 6, and the cross bar 6 is connected to the inner wall of the fixed groove 7, which can be guided by the support block 5, and the support block 5 is provided with a connection structure movably connected to the placement groove 4, and a slide bar 28 slidably connected to the fixed groove 7 is provided on the front side of the support groove 3, which can move the support groove 3 laterally;

[0027] Detection components;

[0028] A driving assembly, which can drive the support block 5 to move along the crossbar 6, and can be an electric telescopic rod, a hydraulic telescopic rod or the like;

[0029] An operation panel 8 is arranged on the fixing groove 7 .

[0030] The cover plate structure includes a mounting seat 9, which is rotatably connected to one end of a cover plate 10. The bottom of the mounting seat 9 is connected to the power end of a micro-electric telescopic rod 15. The micro-electric telescopic rod 15 is arranged on one side of the top of the feed pipe 1. The cover plate 10 is arranged on the top of the feed pipe 1. The feed pipe 1 can be covered by the cover plate 10 to prevent the feed pipe 1 from being contaminated. When the micro-electric telescopic rod 15 acts, the push plate 12 leaves the feed pipe 1 and then the cover plate 10 is rotated, so that the push plate 12 will not be hindered by the feed pipe 1 during rotation.

[0031] The discharge structure includes a support bearing 11 arranged at the bottom of the cover plate 10, the bottom of the outer ring of the support bearing 11 is connected to the push plate 12, so that the outer ring of the push plate 12 contacts the inner wall of the feed pipe 1, the inner wall of the support bearing 11 is connected to the screw rod 13, the top of the screw rod 13 penetrates the cover plate 10 and is connected with a handle 14, the feed pipe 1 is driven downward by the hydraulic cylinder 2 to move its bottom into the placement groove 4, at this time, the mounting seat 9 is driven upward by the micro-electric telescopic rod 15 to make the push plate 12 detach from the feed pipe 1, and the cover plate 10 can be manually opened, at this time, the raw material powder is poured into the feed pipe 1, and the cover plate 10 will be reset after the pouring is completed, and the push plate 12 will discharge all the raw material powder remaining on the inner wall of the feed pipe 1 into the placement groove 4 by rotating the handle 14, after completion, the cover plate 10 is driven downward by the micro-electric telescopic rod 15 to contact the top of the feed pipe 1, cover the feed pipe 1, and finally the feed pipe 1 is driven upward by the hydraulic cylinder 2 to leave the placement groove 4.

[0032] The connecting structure includes a connecting frame 16 arranged on the support block 5, and a limiting rod 17 inserted into the support groove 3 is vertically penetrated on the connecting frame 16. A pulling block 18 is connected to the top of the limiting rod 17, and a spring 19 connected to the connecting frame 16 is arranged at the bottom of the pulling block 18. The support groove 3 and the connecting frame 16 on the support block 5 can be connected together. When the support block 5 moves laterally, the support groove 3 can move laterally. When the support block 5 cannot be driven by the driving assembly, the pulling block 18 drives the limiting rod 17 to move upward, cancels the limitation on the support groove 3, and the support groove 3 can be moved manually.

[0033] The detection assembly includes a guide rod 20 arranged at the rear side of the support groove 3, a mounting plate 21 is sleeved on the guide rod 20, and a detection device 22 is arranged on the mounting plate 21, so that when the support groove 3 moves horizontally, the detection device 22 can follow the movement, and the detection device 22 is composed of an industrial camera and a statistical module. The industrial camera is used to take a detection picture of the raw material powder in the placement groove 4, and the statistical module is used to count the number of impurities according to the detection picture, and then upload the result to the operation panel 8 for display through the existing technology. In order to be able to move the detection device 22 so that it does not affect the feeding at the beginning, After the material is finished, it is moved to the top of the placement groove 4 for shooting. A fixed bearing 23 is arranged at the bottom of the mounting plate 21. The inner ring of the fixed bearing 23 is connected to the screw rod 24. The rear side of the screw rod 24 passes through the slider 25 and is connected to the handle 26. The rear inner wall of the fixed groove 7 is laterally provided with a slide groove 27 slidably connected to the slider 25. By rotating the handle 26, the threaded rod 24 drives the mounting plate 21 to move through the fixed bearing 23, so that the detection device 22 can move. When the support block 5 moves, the support groove 3 moves with it, so that the slider 25 moves on the slide groove 27.

[0034] Example 2

[0035] Reference Figure 2 The driving assembly includes a motor 30 arranged on the left side of the inner wall of the fixed groove 7. The output shaft of the motor 30 is connected to a screw rod 29 which is rotatably connected to the inner wall of the fixed groove 7 through a bearing. The support block 5 is screwed to the outside of the screw rod 29. The motor 30 drives the screw rod 29 to rotate to drive the support block 5 to move, thereby saving space.

[0036] The rest of the structure is the same as that of Example 1.

[0037] An analysis method of an online and offline powder impurity analyzer, using an online and offline powder impurity analyzer in Example 2, specifically comprises the following steps:

[0038] S1: The feed tube 1 is driven downward by the hydraulic cylinder 2 so that its bottom moves into the placement slot 4. At this time, the mounting seat 9 is driven upward by the micro-electric telescopic rod 15 so that the push plate 12 is separated from the feed tube 1, and the cover plate 10 can be manually opened. At this time, the raw material powder is poured into the feed tube 1. After the pouring is completed, the cover plate 10 will be reset, and the handle 14 will be rotated so that the push plate 12 will discharge all the raw material powder remaining on the inner wall of the feed tube 1 into the placement slot 4. After completion, the cover plate 10 is driven downward by the micro-electric telescopic rod 15 to contact the top of the feed tube 1, covering the feed tube 1 to prevent it from being contaminated. Finally, the feed tube 1 is driven upward by the hydraulic cylinder 2 to leave the placement slot 4;

[0039] S2: By rotating the second handle 26, the second screw 24 is guided by the guide rod 20, driving the fixed bearing 23 and the mounting plate 21 to move forward, so that the detection device 22 moves to the top of the placement slot 4;

[0040] S3: The motor 30 drives the screw rod 29 to rotate, so that the support block 5 drives the support slot 3 to move to the right under the action of the connection structure, and drives the detection device 22 to move at the same time, and then the raw material powder in the placement slot 4 is detected by the detection device 22 until the support slot 3 moves to the right end, the placement slot 4 is taken out upward and the detected raw material powder is poured out, and the detection result is displayed on the operation panel 8, and the online detection is completed;

[0041] S4: When maintaining the motor 30 and the screw rod 29, the pull block 18 is pulled upward to move the limit rod 17 out of the support groove 3 and drive the spring 19 to stretch. At this time, the support groove 3 is manually pulled to make the slide rod 28 slide on the fixed groove 7, and the slider 25 can slide on the slide groove 27, so that offline detection can be realized.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An online and offline powder impurity analyzer, characterized in that: include, A feed assembly comprises a feed pipe (1), wherein the feed pipe (1) is connected to a piston rod of a hydraulic cylinder (2), a cover plate structure is provided on the feed pipe (1), and a discharge structure is provided on the cover plate structure; A material discharge assembly comprises a support groove (3), the inner wall of the support groove (3) is fittedly connected with a placement groove (4) opposite to the feed pipe (1), the bottom of the support groove (3) is fittedly connected to a support block (5), the support block (5) is sleeved on the outer side of a cross bar (6), and the cross bar (6) is connected to the inner wall of a fixed groove (7), the support block (5) is provided with a connection structure movably connected to the placement groove (4), and the front side of the support groove (3) is provided with a slide bar (28) slidably connected to the fixed groove (7); Detection components; A driving assembly capable of driving the support block (5) to move along the crossbar (6); An operating panel (8), wherein the operating panel (8) is arranged on the fixing groove (7); The connection structure comprises a connection frame (16) arranged on the support block (5), a limit rod (17) vertically passing through the connection frame (16) and inserted into the support groove (3), a pull block (18) being connected to the top of the limit rod (17), and a spring (19) connected to the connection frame (16) being arranged at the bottom of the pull block (18); The detection assembly comprises a guide rod (20) arranged at the rear side of the support groove (3), a mounting plate (21) is sleeved on the guide rod (20), a detection device (22) is arranged on the mounting plate (21), a fixed bearing (23) is arranged at the bottom of the mounting plate (21), the inner ring of the fixed bearing (23) is connected to the second screw rod (24), the rear side of the second screw rod (24) passes through the slider (25) and is connected to the second handle (26), and the rear inner wall of the fixed groove (7) is transversely provided with a sliding groove (27) slidably connected to the slider (25).

2. The on-line and off-line powder impurity analyzer according to claim 1, characterized in that: The cover plate structure comprises a mounting seat (9), the mounting seat (9) being rotatably connected to one end of a cover plate (10), the bottom of the mounting seat (9) being connected to the power end of a micro electric telescopic rod (15), the micro electric telescopic rod (15) being arranged on one side of the top of a feed pipe (1), and the cover plate (10) being arranged to cover the top of the feed pipe (1).

3. The on-line and off-line powder impurity analyzer according to claim 2, characterized in that: The discharge structure comprises a support bearing (11) arranged at the bottom of the cover plate (10), the bottom of the outer ring of the support bearing (11) is connected to the push plate (12), the outer ring of the push plate (12) is in contact with the inner wall of the feed pipe (1), the inner wall of the support bearing (11) is connected to a screw rod (13), and the top end of the screw rod (13) passes through the cover plate (10) and is connected to a handle (14).

4. The on-line and off-line powder impurity analyzer according to claim 1, characterized in that: The driving assembly comprises a motor (30) arranged on the left side of the inner wall of the fixing groove (7), the output shaft of the motor (30) is connected to a screw rod (29) rotatably connected to the inner wall of the fixing groove (7) via a bearing, and the support block (5) is screwed to the outside of the screw rod (29).

5. The analysis method of an online and offline powder impurity analyzer according to any one of claims 1 to 4, characterized in that: The method comprises the following steps: S1: The feed pipe (1) is driven to move downward by the hydraulic cylinder (2) so that its bottom moves into the placement groove (4). At this time, the mounting seat (9) is driven to move upward by the micro-electric telescopic rod (15) so that the push plate (12) is separated from the feed pipe (1). Then, the cover plate (10) can be opened manually and the raw material powder is poured into the feed pipe (1). After the pouring is completed, the cover plate (10) is reset and the handle (14) is rotated so that the push plate (12) discharges all the raw material powder remaining on the inner wall of the feed pipe (1) into the placement groove (4). After completion, the cover plate (10) is driven downward by the micro-electric telescopic rod (15) to contact the top of the feed pipe (1) and cover the feed pipe (1) to prevent it from being contaminated. Finally, the feed pipe (1) is driven to move upward by the hydraulic cylinder (2) to leave the placement groove (4); S2: By rotating the second handle (26), the second screw rod (24) is guided by the guide rod (20), driving the fixed bearing (23) and the mounting plate (21) to move forward, so that the detection device (22) moves to the top of the placement groove (4); S3: The motor (30) drives the screw rod (29) to rotate, so that the support block (5) drives the support groove (3) to move to the right under the action of the connection structure, and drives the detection device (22) to move at the same time, and then the raw material powder in the placement groove (4) is detected by the detection device (22) until the support groove (3) moves to the right end, the placement groove (4) is taken out upwards and the detected raw material powder is poured out, and the detection result is displayed on the operation panel (8), completing the online detection; S4: When maintaining the motor (30) and the screw rod (29), the pull block (18) is pulled upward to move the limit rod (17) out of the support groove (3) and drive the spring (19) to stretch. At this time, the support groove (3) is manually pulled to make the slide rod (28) slide on the fixed groove (7), and the slider (25) can slide on the slide groove (27), so that offline detection can be realized.

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