Protective cover and dry type granulator

Abstract

The utility model relates to the technical field of dry type granulators, and discloses a protective cover and a dry type granulator, the protective cover comprises a cover main body, the cover main body comprises a first partition plate, a second partition plate, a first side plate and a second side plate, the two sides of the first partition plate are respectively connected with the first side plate and the second side plate, the two sides of the second partition plate are respectively connected with the first side plate and the second side plate, the two ends of the first partition plate are arranged at intervals to form an opening, and the two ends of the second partition plate are connected with the first partition plate to define a hollow cavity. The panel assembly is connected with the first side plate, and an installation cavity is defined by the panel assembly and the second partition plate. The first partition plate, the second partition plate, the first side plate and the second side plate are enclosed to form the hollow cover main body, so that the structure of the protective cover is optimized, the overall weight of the protective cover is reduced, and the protective cover is convenient to disassemble, assemble and clean; the compartment type structure of the hollow cover body is good in overall rigidity, deformation caused by local excessive stress is avoided, and the use amount of materials is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of dry granulators, and particularly relates to a protective cover and a dry granulator. Background Art

[0002] A dry granulator is a device that uses a dry roll pressing process technology to compress powdery materials into sheets or blocks, and then through a crushing, sizing and screening process, makes the sheet or block materials into granular materials that meet the usage requirements.

[0003] In a dry granulator, the protective cover is one of the conventional cleaning components that directly contact the materials. However, in the prior art, the cover body of the common protective cover has a large weight and a complex inner cavity structure, resulting in great difficulty in disassembling, assembling and cleaning the protective cover. Summary of the Utility Model

[0004] In view of this, the utility model provides a protective cover and a dry granulator to solve the problem that the large weight of the cover body of the protective cover causes great difficulty in disassembling and assembling the protective cover.

[0005] In a first aspect, the utility model provides a protective cover, including: a cover main body, the cover main body includes a first partition board, a second partition board, a first side plate and a second side plate, the first side plate and the second side plate are arranged at intervals, both sides of the first partition board are respectively connected to the first side plate and the second side plate, both sides of the second partition board are respectively connected to the first side plate and the second side plate, both ends of the first partition board are arranged at intervals to form an opening, both ends of the second partition board are respectively connected to the first partition board to enclose a hollow cavity, and the cover main body is adapted to be arranged on the chassis panel; a panel assembly, the panel assembly is connected to the first side plate, and the panel assembly and the second partition board enclose an installation cavity.

[0006] Beneficial effects: The hollow cover main body is formed by enclosing the first partition board, the second partition board, the first side plate and the second side plate, which optimizes the structure of the protective cover, reduces the overall weight of the protective cover, and facilitates the disassembly, assembly, cleaning and washing of the protective cover; the box structure of the hollow cover main body has good overall rigidity, avoids deformation caused by local excessive stress, and reduces the material usage.

[0007] In an optional embodiment, the panel assembly includes an inspection board and a cover panel, the cover panel is detachably connected to the side surface of the inspection board away from the installation cavity, the inspection board and the cover panel are stacked and connected to the first side plate, and the inspection board and the cover main body enclose the installation cavity.

[0008] Beneficial effects: The detachable connection between the inspection board and the cover panel facilitates the later maintenance, cleaning and replacement of the panel assembly.

[0009] In an alternative embodiment, the panel assembly further includes a first seal, which is disposed between the inspection plate and the first side plate. The first side plate is provided with a first sealing groove, and both sides of the first seal are respectively attached to the inspection plate and the first sealing groove.

[0010] Beneficial effects: By providing the first seal, the sealing performance between the inspection plate and the first side plate is improved, ensuring reliable sealing inside the protective cover.

[0011] In an alternative embodiment, the inspection plate is a transparent plate body, and a plurality of openings are provided on the cover panel. The plurality of openings are spaced apart.

[0012] Beneficial effects: By providing a plurality of openings, it is convenient for operators to monitor the internal working conditions of the protective cover in real time, ensuring the normal operation of the dry granulator.

[0013] In an alternative embodiment, the inspection plate includes a main body portion and protruding portions. One side of the main body portion is attached to the first side plate. A plurality of protruding portions are provided, and the plurality of protruding portions are respectively connected to the other side of the main body portion. The plurality of protruding portions are arranged in one-to-one correspondence with the plurality of openings, and the protruding portions are embedded in the openings.

[0014] In an alternative embodiment, the protective cover further includes a proximity switch and an induction rod. The proximity switch is adapted to be disposed at the rear side of the chassis panel, and the induction rod is disposed on the side of the panel assembly close to the installation cavity. The sensing portion of the proximity switch faces the induction rod.

[0015] Beneficial effects: By providing the proximity switch and the induction rod, it is ensured that the dry granulator operates safely when the protective cover is in a reliably closed state, improving the safety of the equipment.

[0016] In an alternative embodiment, the protective cover further includes a second seal. The second side plate is provided with a second sealing groove. One side of the second seal is attached to the second sealing groove, and the other side of the second seal is adapted to be attached to the chassis panel.

[0017] Beneficial effects: By providing the second seal, the sealing performance between the cover main body and the chassis panel is improved, ensuring reliable sealing inside the protective cover.

[0018] In an alternative embodiment, the protective cover further includes a monitoring and sampling structure, which penetrates the panel assembly, and at least a part of the monitoring and sampling structure is disposed in the installation cavity.

[0019] Beneficial effects: By setting up the monitoring and sampling structure, the products inside the dry granulator can be sampled and detected, realizing the quality monitoring of the granulation at each stage inside the dry granulator.

[0020] In a second aspect, the present utility model also provides a dry granulator, comprising: the above-mentioned protective cover; a granulation component, which is arranged in the installation cavity.

[0021] In an optional implementation manner, the dry granulator further comprises a granulation gap adjustment device. The granulation component includes a granulation roller, a screen mesh, and a screen mesh frame. The screen mesh is arranged inside the screen mesh frame, and the granulation roller is arranged inside the screen mesh. The granulation gap adjustment device is in transmission connection with the screen mesh frame and is adapted to drive the screen mesh frame to approach or move away from the granulation roller. An installation hole is formed in the panel component, and the granulation gap adjustment device is arranged through the installation hole. The adjustment part of the granulation gap adjustment device protrudes from the side of the panel component away from the installation cavity. Description of the drawings

[0022] In order to more clearly illustrate the specific embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. Obviously, the following drawings are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0023] Figure 1 Overall structural schematic diagram of the protective cover according to an embodiment of the present utility model;

[0024] Figure 2 For Figure 1 Cross-sectional structural schematic diagram of A-A in

[0025] Figure 3 Overall structural schematic diagram of the cover body according to an embodiment of the present utility model;

[0026] Figure 4 For Figure 1 Enlarged schematic diagram of the structure at B in

[0027] Figure 5 For Figure 3 Enlarged schematic diagram of the structure at C in

[0028] Explanation of the reference numerals:

[0029] 10. Cover body; 11. First partition; 12. Second partition; 13. First side plate; 14. Second side plate; 15. Hollow cavity; 20. Panel assembly; 21. Monitoring plate; 211. Main body part; 212. Protruding part; 22. Cover panel; 221. First window; 222. Second window; 223. Third window; 224. Fourth window; 23. First seal; 30. Induction rod; 40. Second seal; 50. Monitoring and sampling structure; 51. Primary sampling structure; 52. Secondary sampling structure; 60. Whole grain gap adjustment device; 61. Primary adjustment part; 62. Secondary adjustment part; 70. Fine powder collection channel; 80. Feed interface; 90. Installation cavity. Detailed implementation manners

[0030] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0031] The following combines Figures 1 to 4 , to describe the embodiments of the present utility model.

[0032] According to an embodiment of the present utility model, in a first aspect, a protective cover is provided, which includes a cover body 10 and a panel assembly 20. The cover body 10 includes a first partition 11, a second partition 12, a first side plate 13, and a second side plate 14. The first side plate 13 and the second side plate 14 are arranged at intervals. Two sides of the first partition 11 are respectively connected to the first side plate 13 and the second side plate 14. Two sides of the second partition 12 are respectively connected to the first side plate 13 and the second side plate 14. Two ends of the first partition 11 are arranged at intervals to form an opening. Two ends of the second partition 12 are respectively connected to the first partition 11 to enclose and form a hollow cavity 15. The cover body 10 is adapted to be arranged on the chassis panel; the panel assembly 20 is connected to the first side plate 13, and the panel assembly 20 and the second partition 12 enclose and form an installation cavity 90.

[0033] Applying the protective cover of this embodiment, a hollow cover body 10 is formed by enclosing the first partition 11, the second partition 12, the first side plate 13, and the second side plate 14, which optimizes the structure of the protective cover, reduces the overall weight of the protective cover, and facilitates the disassembly, installation, cleaning, and washing of the protective cover; the box structure of the hollow cover body 10 has good overall rigidity, avoids deformation caused by local excessive stress, and reduces the material usage.

[0034] It should be noted that in the related art, the thickness of the cover body of the protective cover is relatively thick and it is a solid structure, resulting in a relatively large overall weight of the protective cover. In this embodiment, the cover body 10 is provided as a hollow structure, thereby reducing the overall weight of the protective cover.

[0035] Specifically, the panel assembly 20 is detachably connected to the first side plate 13.

[0036] Specifically, please refer to Figure 2 , both sides of the second partition plate 12 are flush butt-welded to the edges of the first side plate 13 and the second side plate 14 respectively, so as to achieve a simple plane on the inner wall of the installation cavity 90 and ensure convenient cleaning.

[0037] Specifically, please refer to Figure 2 , the first partition plate 11 forms a structure suitable for minimum fillet welding with the edges of the first side plate 13 and the second side plate 14, so that a slightly shallow concave plane is formed on the outside of the cover body 10, ensuring convenient processing and cleaning and beautiful appearance.

[0038] Specifically, please refer to Figure 2 , the first side plate 13 and the second side plate 14 are members with the same external dimensions, so that the welding deformation with the inner and outer side plate groups is small, and the front and rear planes of the cover body are parallel to each other with a small processing amount, ensuring good sealing.

[0039] Specifically, please refer to Figure 1 , the protective cover is further provided with a fine powder collection channel 70, and the fine powder collection channel 70 is locally communicated with the installation cavity 90. The fine powder collection channel 70 is suitable for collecting the fine powder that has not been formed by extrusion by the pressing roller extrusion mechanism in the dry granulator.

[0040] Specifically, please refer to Figure 3 , a feed interface 80 is further opened on the cover body 10 to facilitate the feeding of the powder to be processed.

[0041] In one embodiment, as shown in Figure 2 , the panel assembly 20 includes an inspection board 21 and a cover panel 22. The cover panel 22 is detachably connected to the side of the inspection board 21 away from the installation cavity 90. The inspection board 21 and the cover panel 22 are stacked and connected to the first side plate 13. The inspection board 21 and the cover body 10 enclose to form the installation cavity 90. The detachable connection between the inspection board 21 and the cover panel 22 facilitates the later maintenance, cleaning or replacement of the panel assembly 20.

[0042] In other alternative embodiments, the panel assembly 20 can also be a whole transparent plate structure.

[0043] In one embodiment, as shown in Figure 2As shown, the panel assembly 20 further includes a first seal 23 disposed between the inspection plate 21 and the first side plate 13. The first side plate 13 is provided with a first seal groove, and both sides of the first seal 23 are respectively attached to the inspection plate 21 and the first seal groove. By providing the first seal 23, the sealing performance between the inspection plate 21 and the first side plate 13 is improved, ensuring reliable sealing inside the protective cover.

[0044] Specifically, please refer to Figure 2 , a first seal groove is provided on the first side plate 13, and the first seal 23 is disposed within the first seal groove.

[0045] Furthermore, the first seal 23 is an O-ring, and the first side plate 13 abuts against the inspection plate 21 and squeezes the O-ring to fill the first seal groove.

[0046] Of course, in other alternative embodiments, the first seal 23 can also be other sealing structures, such as sealing gaskets, etc.

[0047] In one embodiment, as Figure 1 and Figure 2 shown, the inspection plate 21 is a transparent plate body, and the cover panel 22 is provided with openings. There are several openings, and the several openings are arranged at intervals. By providing several openings, it is convenient for the operator to instantaneously monitor the internal working conditions of the protective cover, ensuring the normal operation of the dry granulator.

[0048] Specifically, please refer to Figure 1 , in this embodiment, the cover panel 22 is provided with four openings, namely the first window 221, the second window 222, the third window 223, and the fourth window 224. The first window 221 is arranged corresponding to the position area of the pressure roller pair, the scraper device, and the first granulation device in the dry granulator to monitor the internal working conditions of the protective cover without dead angles; the second window 222 and the third window 223 are each arranged corresponding to the installation position of a granulation roller to monitor the rotation direction and working conditions of the granulation roller; the fourth window 224 is arranged corresponding to the fine powder collection channel 70 to monitor the dust collection working conditions in the fine powder collection channel 70.

[0049] In one embodiment, as Figure 2 shown, the inspection plate 21 includes a main body portion 211 and a protruding portion 212. One side of the main body portion 211 is attached to the first side plate 13, and there are several protruding portions 212. The several protruding portions 212 are respectively connected to the other side of the main body portion 211, and the several protruding portions 212 are arranged in one-to-one correspondence with the several openings, and the protruding portions 212 are embedded in the openings.

[0050] Specifically, the side of the protruding portion 212 away from the installation cavity 90 is flush with the side of the cover panel 22 away from the installation cavity 90 to ensure the flatness of the outer surface of the panel assembly 20.

[0051] In one embodiment, as Figure 1 shown, the protective cover further includes a proximity switch and an induction rod 30. The proximity switch is adapted to be disposed at the rear side of the chassis panel. The induction rod 30 is disposed on the side of the panel assembly 20 close to the installation cavity 90, and the sensing portion of the proximity switch faces the induction rod 30. By providing the proximity switch and the induction rod 30, it is ensured that the dry granulator operates safely when the protective cover is in a reliably closed state, improving the safety of the equipment.

[0052] Specifically, in this embodiment, the proximity switch includes a magnetic receiving sensor, and the induction rod 30 includes a magnetic structure. A magnetic induction signal is generated by the magnetic receiving sensor and the magnetic structure, and then it is judged whether the protective cover is in a reliably closed state.

[0053] Of course, in other alternative embodiments, the induction sensor of the proximity switch can also be in other forms, such as infrared induction, contact induction, etc.

[0054] It should be noted that when the panel assembly 20 is installed on the first side plate 13, the gap between the panel assembly 20 and the first side plate 13 may be too large, and the connection between the panel assembly 20 and the first side plate 13 is likely to be loose, and safety hazards such as the detachment of the panel assembly 20 are likely to occur. Therefore, after the induction rod 30 is installed on the panel assembly 20, the proximity switch can measure the distance between the induction rod 30 and the proximity switch, and then know the distance between the panel assembly 20 and the proximity switch, and then it can be judged whether the panel assembly 20 is firmly fixed.

[0055] In one embodiment, as Figure 2 shown, the protective cover further includes a second seal 40. The second side plate 14 is provided with a second seal groove, one side of the second seal 40 is fitted with the second seal groove, and the other side of the second seal 40 is adapted to be fitted with the chassis panel. By providing the second seal 40, the sealing performance between the cover body 10 and the chassis panel is improved, ensuring reliable sealing inside the protective cover.

[0056] Specifically, please refer to Figure 2 、 Figure 3 and Figure 5 , the second side plate 14 is provided with a second seal groove, and the second seal 40 is disposed in the second seal groove.

[0057] Furthermore, the second seal 40 is a sealing ring, and the second side plate 14 abuts against the chassis panel and squeezes the sealing ring to fill the second seal groove.

[0058] Of course, in other alternative embodiments, the second seal 40 can also be other sealing structures, such as sealing gaskets and the like.

[0059] In one embodiment, as Figure 1 shown, the protective cover further includes a monitoring and sampling structure 50. The monitoring and sampling structure 50 penetrates through the panel assembly 20, and at least a part of the monitoring and sampling structure 50 is arranged in the installation cavity 90. By providing the monitoring and sampling structure 50, the products inside the dry granulator can be sampled and detected, so as to realize the quality monitoring of the granulation at each stage inside the dry granulator.

[0060] Specifically, in this embodiment, the monitoring and sampling structure 50 includes a primary sampling structure 51 and a secondary sampling structure 52, which are respectively arranged corresponding to the primary granulation roller and the secondary granulation roller.

[0061] Of course, in other alternative embodiments, the monitoring and sampling structure 50 can be provided with several according to the actual situation.

[0062] It should be noted that the monitoring and sampling structure 50 is arranged corresponding to the discharge positions of the granulation rollers at all levels of the dry granulator, so as to facilitate the inspection of the discharge conditions at all levels.

[0063] According to an embodiment of the present invention, in a second aspect, a dry granulator is further provided, including: the above-mentioned protective cover; a granulation assembly, and the granulation assembly is arranged in the installation cavity 90.

[0064] In one embodiment, as Figure 1 and Figure 4 shown, the dry granulator further includes a granulation gap adjustment device 60. The granulation assembly includes a granulation roller, a screen and a screen frame. The screen is arranged in the screen frame, the granulation roller is arranged in the screen, the granulation gap adjustment device 60 is in transmission connection with the screen frame, the granulation gap adjustment device 60 is adapted to drive the screen frame to approach or move away from the granulation roller, an installation hole is formed in the panel assembly 20, the granulation gap adjustment device 60 is arranged in the installation hole, and the adjustment part of the granulation gap adjustment device 60 protrudes from the surface of the panel assembly 20 away from the installation cavity 90.

[0065] It should be noted that the granulation gap adjustment device 60 includes an eccentric shaft and an adjustment part. The adjustment part is connected to the eccentric shaft, and the eccentric shaft is in transmission connection with the screen frame. By rotating the adjustment part, the eccentric shaft is driven to rotate, so as to adjust the gap between the screen frame and the granulation roller, and further adjust the gap between the screen and the granulation roller.

[0066] Specifically, in this embodiment, the granulation gap adjustment device 60 includes a primary adjustment part 61 and a secondary adjustment part 62, which are respectively arranged corresponding to the secondary granulation roller and the tertiary granulation roller.

[0067] Specifically, please refer to Figure 4A gap adjustment indicator mark is provided on the edge of the adjustment part, so that the operator can quickly adjust the gap between the screen and the granulation roller according to different needs.

[0068] It should be noted that in the related art, the adjustment part is arranged inside the installation cavity 90, that is, the gap adjustment can only be performed after the entire protective cover is opened, and the operation is relatively complicated. The adjustment part in this embodiment is externally arranged outside the panel assembly 20, and the gap between the screen and the granulation roller can be directly adjusted, which is convenient for operation.

[0069] Although the embodiments of the present invention are described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations are all within the scope defined by the present invention.

Claims

1. A protective cover, characterized in that: include: A cover body (10), the cover body (10) comprising a first partition (11), a second partition (12), a first side plate (13) and a second side plate (14), the first side plate (13) and the second side plate (14) being arranged at intervals, the two sides of the first partition (11) being connected to the first side plate (13) and the second side plate (14) respectively, the two sides of the second partition (12) being connected to the first side plate (13) and the second side plate (14) respectively, the two ends of the first partition (11) being arranged at intervals to form an opening, the two ends of the second partition (12) being connected to the first partition (11) respectively to enclose a hollow cavity (15), and the cover body (10) being suitable for being arranged on a chassis panel; A panel assembly (20), wherein the panel assembly (20) is connected to the first side panel (13), and the panel assembly (20) and the cover body (10) are enclosed to form a mounting cavity (90).

2. The protective cover according to claim 1, characterized in that: The panel assembly (20) comprises a monitoring panel (21) and a cover panel (22); the cover panel (22) is detachably connected to the side of the monitoring panel (21) away from the installation cavity (90); the monitoring panel (21) and the cover panel (22) are superimposed and connected to the first side panel (13); the monitoring panel (21) and the cover body (10) enclose the installation cavity (90).

3. The protective cover according to claim 2, characterized in that: The panel assembly (20) further comprises a first sealing member (23), wherein the first sealing member (23) is arranged between the monitoring panel (21) and the first side panel (13), wherein the first side panel (13) is provided with a first sealing groove, and two sides of the first sealing member (23) are respectively fitted with the monitoring panel (21) and the first sealing groove.

4. The protective cover according to claim 2, characterized in that: The monitoring panel (21) is a transparent plate body, and the cover panel (22) is provided with a plurality of windows, wherein the plurality of windows are arranged at intervals.

5. The protective cover according to claim 4, characterized in that: The monitoring panel (21) comprises a main body (211) and a protruding portion (212), one side of the main body (211) is arranged in contact with the first side panel (13), a plurality of protruding portions (212) are provided, and the plurality of protruding portions (212) are respectively connected to the other side of the main body (211), and the plurality of protruding portions (212) are arranged in one-to-one correspondence with the plurality of openings, and the protruding portions (212) are embedded in the openings.

6. The protective cover according to any one of claims 1 to 5, characterized in that: The protective cover also includes a proximity switch and a sensing rod (30), wherein the proximity switch is suitable for being arranged on the rear side of the chassis panel, the sensing rod (30) is arranged on a side of the panel assembly (20) close to the installation cavity (90), and the sensing portion of the proximity switch is arranged toward the sensing rod (30).

7. The protective cover according to any one of claims 1 to 5, characterized in that: The protective cover also includes a second sealing member (40), the second side plate (14) is provided with a second sealing groove, one side of the second sealing member (40) is fitted with the second sealing groove, and the other side of the second sealing member (40) is suitable for fitting with the chassis panel.

8. The protective cover according to any one of claims 1 to 5, characterized in that: The protective cover also includes a monitoring sampling structure (50), which is arranged to penetrate the panel assembly (20), and at least a portion of the monitoring sampling structure (50) is arranged in the installation cavity (90).

9. A dry granulator, characterized in that: include: The protective cover according to any one of claims 1 to 8; A whole grain component is arranged in the installation cavity (90).

10. The dry granulator according to claim 9, characterized in that The dry granulator also includes a granulation gap adjustment device (60), the granulation assembly includes a granulation roller, a screen and a screen frame, the screen is arranged in the screen frame, the granulation roller is arranged in the screen, the granulation gap adjustment device (60) is transmission-connected with the screen frame, the granulation gap adjustment device (60) is suitable for driving the screen frame to approach or move away from the granulation roller, the panel assembly (20) is provided with a mounting hole, the granulation gap adjustment device (60) is arranged through the mounting hole, and the adjustment portion of the granulation gap adjustment device (60) protrudes from a side of the panel assembly (20) away from the mounting cavity (90).

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