Grinding and screening device for regenerated stone powder processing

Abstract

The utility model discloses a grinding and screening device for processing regenerated stone powder, relates to the technical field of grinding and screening devices, and aims to solve the problems that an existing screening device screens grinding powder in a classified filtering mode, but three motors need to be started at the same time for vibration screening in the screening process, energy consumption is large, and the screening efficiency is high. The screening device comprises a screening frame, a bottom support is arranged below the screening frame, a support table is welded to the outer wall of one side of the bottom support, a driving motor is fixedly arranged at the upper end of the support table through a screw, and a rotating disc is welded to an output shaft of the driving motor; a feeding hopper is arranged at the top of the screening frame and communicates with the interior of the screening frame. The screening device further comprises connecting circular shafts which are welded to the front end face of the screening frame and the front end face of the rotary disc respectively, and a linkage pull rod is arranged between the two connecting circular shafts.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding and screening devices, in particular to a grinding and screening device for processing regenerated stone powder. Background Art

[0002] Regenerated stone powder is the general name for stones ground into powder. During the processing of recycled stone powder, the powder produced by the grinding mill needs to be screened.

[0003] For example, the announcement number is: CN210058928U (named as a grinding and screening device for stone powder processing), which includes a box body, a feed port is opened in the center of the upper outer wall of the box body, and the box body is connected to the feed hopper through the feed port, a motor cover is inlaid on the left outer wall of the box body, and a vibration motor is installed inside the motor cover, the vibration shaft of the vibration motor at the top of the left side wall of the box body is connected to the coarse-mesh screen through a coupling, a bracket is welded on the inner part of the box body and the upper outer wall of the motor cover, and an electric telescopic rod is arranged inside the bracket, and the outer wall of the telescopic end of the electric telescopic rod is connected to the push plate through a fixed shaft, and a first screening chamber is arranged at the top inner top of the box body and above the coarse-mesh screen, and the lower part of the first screening chamber A second screening chamber is arranged inside the box, a third screening chamber is arranged below the second screening chamber and inside the box, and a fourth screening chamber is arranged below the third screening chamber and inside the box, a medium-pore screen is arranged on the boundary line between the second screening chamber and the third screening chamber and on the inner wall of the box, a fine-pore screen is arranged on the boundary line between the third screening chamber and the fourth screening chamber and on the inner wall of the box, a side door is installed on the right side of the first screening chamber, the second screening chamber, the third screening chamber and the fourth screening chamber and on the right side outer wall of the box, a controller is inlaid on the front outer wall of the box, and a protective cover is arranged on the outside of the controller and on the outer wall of the box, and a transparent plate is inlaid on the side of the controller and on the front outer wall of the box.

[0004] The above-mentioned screening device screens the ground powder by graded filtration, but three motors need to be started simultaneously for vibration screening during the screening process, which consumes a lot of energy and has poor controllability of the screening output, resulting in the problem of inconvenient operation of the screening device. For this reason, we provide a grinding and screening device for recycled stone powder processing. Utility Model Content

[0005] The purpose of the utility model is to provide a grinding and screening device for regenerated stone powder processing, so as to solve the problem that the existing screening device proposed in the above background technology screens the ground powder in the form of graded filtration, but three motors need to be started at the same time for vibration screening during the screening process, which consumes a lot of energy and has poor controllability of the screening discharge, resulting in inconvenient operation of the screening device.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a grinding and screening device for processing regenerated stone powder, comprising a screening frame, a bottom bracket is arranged below the screening frame, a support platform is welded on an outer wall of one side of the bottom bracket, a driving motor is fixed on the upper end of the support platform by screws, a turntable is welded on the output shaft of the driving motor, a feed hopper is arranged on the top of the screening frame, and the feed hopper is connected to the inside of the screening frame;

[0007] Also includes:

[0008] The connecting circular shafts are respectively welded on the front end surface of the screening frame and the front end surface of the turntable, and a linkage rod is arranged between the two connecting circular shafts. The two ends of the linkage rod are provided with sleeve circular openings at the connection positions with the two connecting circular shafts, and the two sleeve circular openings and the linkage rod are an integrated structure;

[0009] The plug-in inner groove and the closed slot are arranged inside the screening frame, and the insides of the plug-in inner groove and the closed slot are respectively plugged with a material receiving box and a blocking plate;

[0010] The grinding screen is arranged above the blocking plate, and the screen frame of the grinding screen is fixedly connected to the inner wall of the screening frame by screws.

[0011] Preferably, two guide slide grooves are arranged at the upper end of the bottom bracket, and two roller sliders are movably arranged inside the two guide slide grooves respectively, and the four roller sliders are fixedly connected to the bottom of the screening frame by screws.

[0012] Preferably, the receiving box and the blocking plate are both provided with connecting sockets, and positioning rods are installed inside the connecting sockets, and the receiving box and the blocking plate are connected to the screening frame through the positioning rods.

[0013] Preferably, a receiving groove is arranged on the inner wall of one end of the closed slot, the receiving groove is communicated with the closed slot, and a slot sealing plate is movably arranged inside the receiving groove.

[0014] Preferably, a handle is provided on the front end surface of the material receiving box, and the handle and the material receiving box are an integral structure.

[0015] Preferably, a handle bar is provided on the front end surface of the blocking plate, and the handle bar and the blocking plate are an integral structure.

[0016] Preferably, one end of the two connecting circular shafts is welded with a limit plate, and the size of the limit plate is larger than the diameter of the sleeve circular opening.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The utility model can improve the screening effect and avoid the clogging of the screen by a driving motor. The regenerated stone powder after screening falls into the internal part of the receiving box for collection. When it is necessary to take materials, the slot sealing plate is lifted up so that the slot sealing plate is stored in the interior of the receiving slot, and then the blocking plate is inserted into the interior of the closed slot, so that the regenerated stone powder cannot continue to fall into the receiving box. At this time, the receiving box is removed, the regenerated stone powder after screening is poured out, and the inner slot is reinstalled, and the blocking plate is removed to continue to unload materials, thereby avoiding the situation that the regenerated stone powder is missed due to untimely material collection when taking materials, improving the controllability of screening and discharging, and overcoming the problem that the existing screening device screens the ground powder by graded filtration, but the screening process requires three motors to be started at the same time for vibration screening, which consumes a lot of energy and has poor controllability of screening and discharging, resulting in inconvenient operation of the screening device.

[0019] 2. During the disassembly and assembly of the receiving box and the sealing plate, it is necessary to insert and pull out the positioning rod to position and install the receiving box and the sealing plate, thereby improving the stability of the receiving box and the sealing plate during the reciprocating screening process. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of the grinding and screening device for processing recycled stone powder of the utility model;

[0021] Figure 2 This is a schematic diagram of the screening frame structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the internal structure of the screening frame of the utility model;

[0023] Figure 4 It is a schematic diagram of the connection structure of the linkage pull rod and the connecting circular shaft of the utility model;

[0024] In the figure: 1. Screening frame; 2. Support platform; 3. Bottom bracket; 4. Driving motor; 5. Turntable; 6. Limit plate; 7. Linkage rod; 8. Guide slide; 9. Feed hopper; 10. Positioning rod; 11. Insert inner groove; 12. Material receiving box; 13. Pull handle; 14. Closing slot; 15. Sealing plate; 16. Handle bar; 17. Roller slider; 18. Connecting socket; 19. Grinding screen; 20. Storage slot; 21. Slot sealing plate; 22. Connecting round shaft; 23. Socketed round mouth. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] See also Figure 1-4The utility model provides an embodiment: a grinding and screening device for processing regenerated stone powder, comprising a screening frame 1, a bottom bracket 3 is arranged below the screening frame 1, a support platform 2 is welded on the outer wall of one side of the bottom bracket 3, a driving motor 4 is fixed on the upper end of the support platform 2 by screws, a turntable 5 is welded on the output shaft of the driving motor 4, a feed hopper 9 is arranged on the top of the screening frame 1, and the feed hopper 9 is connected to the inside of the screening frame 1;

[0027] Also includes:

[0028] The connecting circular shafts 22 are respectively welded on the front end surface of the screening frame 1 and the front end surface of the turntable 5, and a linkage rod 7 is arranged between the two connecting circular shafts 22. The two ends of the linkage rod 7 and the connecting positions of the two connecting circular shafts 22 are provided with sleeve circular openings 23, and the two sleeve circular openings 23 and the linkage rod 7 are an integral structure;

[0029] The plug-in inner groove 11 and the closed slot 14 are arranged inside the screening frame 1, and the plug-in inner groove 11 and the closed slot 14 are respectively plugged with a material receiving box 12 and a blocking plate 15;

[0030] The grinding screen 19 is arranged above the blocking plate 15 , and the frame of the grinding screen 19 is fixedly connected to the inner wall of the screening frame 1 by screws.

[0031] When in use, lift the slot sealing plate to retract the slot sealing plate into the storage slot, and then insert the blocking plate into the closed slot to prevent the regenerated stone powder from falling into the receiving box. At this time, remove the receiving box, pour out the sieved regenerated stone powder, reinstall it back into the inner slot, remove the blocking plate, and continue to unload the material, thus avoiding the situation where the regenerated stone powder is missed due to untimely material collection.

[0032] See also Figure 3 Two guide slots 8 are provided at the upper end of the bottom bracket 3, and two roller sliders 17 are movably provided inside the two guide slots 8. The four roller sliders 17 are fixedly connected to the bottom of the screening frame 1 by screws. The two guide slots 8 provided at the upper end of the bottom bracket 3 serve to facilitate the guiding movement of the roller sliders 17.

[0033] See also Figure 3 The receiving box 12 and the sealing plate 15 are both provided with connecting sockets 18, and the positioning rods 10 are installed inside the connecting sockets 18. The receiving box 12 and the sealing plate 15 are positioned and connected to the screening frame 1 through the positioning rods 10. The connecting sockets 18 provided inside the receiving box 12 and the sealing plate 15 serve to facilitate the installation of the positioning rods 10.

[0034] See also Figure 3A receiving groove 20 is provided on the inner wall at one end of the closed slot 14, and the receiving groove 20 is connected to the closed slot 14. A notch sealing plate 21 is movably provided inside the receiving groove 20. The receiving groove 20 provided on the inner wall at one end of the closed slot 14 plays the role of supporting the notch sealing plate 21. When the blocking plate 15 is installed, the notch sealing plate 21 is received into the inside of the receiving groove 20. When the blocking plate 15 is removed, the notch sealing plate 21 falls to the port position of the closed slot 14 to seal the closed slot 14.

[0035] See also Figure 2 A pull handle 13 is provided on the front end surface of the material receiving box 12. The pull handle 13 and the material receiving box 12 are an integrated structure. The pull handle 13 provided on the front end surface of the material receiving box 12 serves to facilitate pulling the material receiving box 12.

[0036] See also Figure 2 A handle bar 16 is provided on the front end surface of the blocking plate 15 . The handle bar 16 and the blocking plate 15 are an integrated structure. The handle bar 16 provided on the front end surface of the blocking plate 15 serves to facilitate pulling the blocking plate 15 .

[0037] See also Figure 4 One end of the two connecting circular shafts 22 is welded with a limit plate 6, the size of the limit plate 6 is larger than the diameter of the sleeve circular opening 23, and the limit plate 6 welded at one end of the two connecting circular shafts 22 plays a role of limiting and preventing slipping.

[0038] Working principle: When in use, the regenerated stone powder produced by the grinding mill is poured into the inside of the feed hopper 9, and the turntable 5 is driven to rotate by the driving motor 4, so that the driving motor 4 pulls and pulls the screening frame 1 to move back and forth left and right. During the movement, the roller slider 17 moves horizontally along the guide slide 8, so that the regenerated stone powder on the grinding screen 19 is flattened and screened with the reciprocating movement, thereby improving the screening effect. The screened regenerated stone powder falls into the inside of the receiving box 12 for collection. When it is necessary to take the material, the notch sealing plate 21 is lifted up so that the notch sealing plate 21 is stored in the storage slot 20, and then the blocking plate 15 is inserted The material is then fed into the closed slot 14 so that the regenerated stone powder cannot continue to fall into the material receiving box 12. At this time, the material receiving box 12 is removed, the regenerated stone powder after screening is poured out, and the inner slot 11 is reinstalled, and the sealing plate 15 is removed to continue feeding. This avoids the situation where the regenerated stone powder is missed due to untimely material feeding, and improves the controllability of the screening material. During the disassembly and assembly process, it is necessary to insert and pull out the positioning rod 10 to position and install the material receiving box 12 and the sealing plate 15, which improves the stability of the material receiving box 12 and the sealing plate 15 during the reciprocating screening process, and completes the use of the grinding and screening device for regenerated stone powder processing.

[0039] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A grinding and screening device for processing regenerated stone powder, comprising a screening frame (1), a bottom bracket (3) is arranged below the screening frame (1), a support platform (2) is welded on an outer wall of one side of the bottom bracket (3), a driving motor (4) is fixed on the upper end of the support platform (2) by screws, a turntable (5) is welded on the output shaft of the driving motor (4), a feed hopper (9) is arranged on the top of the screening frame (1), and the feed hopper (9) is connected to the inside of the screening frame (1); Features: Also includes: A connecting circular shaft (22) is respectively welded and arranged on the front end surface of the screening frame (1) and the front end surface of the rotating disk (5), and a linkage rod (7) is arranged between the two connecting circular shafts (22). A sleeve-jointed circular opening (23) is arranged at the connecting position between the two ends of the linkage rod (7) and the two connecting circular shafts (22), and the two sleeve-jointed circular openings (23) and the linkage rod (7) are an integral structure; The plug-in inner groove (11) and the closed slot (14) are arranged inside the screening frame (1), and the insides of the plug-in inner groove (11) and the closed slot (14) are respectively plugged with a material receiving box (12) and a blocking plate (15); The grinding screen (19) is arranged above the blocking plate (15), and the frame of the grinding screen (19) is fixedly connected to the inner wall of the screening frame (1) by screws.

2. The grinding and screening device for processing regenerated stone powder according to claim 1, characterized in that: Two guide slide grooves (8) are arranged at the upper end of the bottom bracket (3), and two roller sliders (17) are movably arranged inside the two guide slide grooves (8), and the four roller sliders (17) are fixedly connected to the bottom of the screening frame (1) by screws.

3. The grinding and screening device for processing regenerated stone powder according to claim 1, characterized in that: The receiving box (12) and the sealing plate (15) are both provided with connecting jacks (18) inside, and positioning rods (10) are installed inside the connecting jacks (18). The receiving box (12) and the sealing plate (15) are connected to the screening frame (1) in a positioning manner via the positioning rods (10).

4. The grinding and screening device for processing regenerated stone powder according to claim 1, characterized in that: A receiving groove (20) is arranged on the inner wall of one end of the closed slot (14); the receiving groove (20) is connected to the closed slot (14); and a notch sealing plate (21) is movably arranged inside the receiving groove (20).

5. The grinding and screening device for processing regenerated stone powder according to claim 1, characterized in that: A pull handle (13) is provided on the front end surface of the material receiving box (12), and the pull handle (13) and the material receiving box (12) are an integrated structure.

6. The grinding and screening device for processing regenerated stone powder according to claim 1, characterized in that: A handle bar (16) is provided on the front end surface of the blocking plate (15), and the handle bar (16) and the blocking plate (15) are an integral structure.

7. The grinding and screening device for processing regenerated stone powder according to claim 1, characterized in that: One end of the two connecting circular shafts (22) is welded with a limiting disk (6), and the size of the limiting disk (6) is larger than the diameter of the sleeve circular opening (23).

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