Plastering gypsum screening device

Abstract

The utility model provides a plastering gypsum screening device, and belongs to the technical field of screening devices. Comprising a screening box, the interior of the screening box is of a cavity structure, a first screening plate, a second screening plate and a third screening plate are installed in an inner cavity of the screening box, the first screening plate, the second screening plate and the third screening plate are arranged at equal intervals in the vertical direction, and three side grooves are formed in the inner wall of one side of the screening box; the three side grooves correspond to the first screening plate, the second screening plate and the third screening plate in a one-to-one mode, and three first discharging openings are formed in the inner wall of the other side of the screening box. According to the plastering gypsum screening device, the motor synchronously drives the three lead screws to rotate, the three lead screws drive the three push plates to move correspondingly, the push plates push out raw materials relative to the top of the screening plate, and the effect of regular discharging is achieved; when the rack is meshed with the gear, the rotating shaft is driven to rotate, the rotating shaft drives the second rotating wheel to rotate, the second rotating wheel drives the first rotating wheel to rotate through the first connecting belt, and the connecting shaft drives the baffle to rotate.

Description

Technical Field

[0001] The utility model belongs to the technical field of screening devices, and in particular relates to a plaster gypsum screening device. Background Art

[0002] Application No. 202223000014.2 provides a plaster gypsum screening device, which, when the plaster gypsum needs to be screened during use, starts a first drive motor to drive the connecting shaft to rotate, and the connecting shaft drives the movable plate and the movable rod at the bottom to move up and down through the connecting rod, thereby synchronously driving the screening plate to move up and down, and the plaster gypsum raw materials and impurities in the screening plate are screened through the up and down movement range, and the screened plaster gypsum raw materials enter the rolling cavity, and the plaster gypsum raw materials can be prevented from accumulating;

[0003] However, after the sieve plate of the device sieves the plaster gypsum raw materials, the raw materials left after sieving remain on the top of the sieve plate. When the sieved raw materials need to be taken out, the staff needs to open the box door and take out the raw materials on the top of the sieve plate. However, when taking out the raw materials without disassembling the sieve plate, due to the limited internal space of the box, it is difficult for the staff to take out the raw materials scattered on the top of the sieve plate, and it will be more laborious to disassemble the sieve plate to take out the raw materials, which is less practical. Utility Model Content

[0004] In order to solve the problem of inconvenience in taking out the raw materials after screening in the above-mentioned prior art, the utility model provides a plastering gypsum screening device, which adopts a pushing mechanism in combination with a feed opening 1 to achieve the effect of pushing the raw materials on the top of the screening plate out of the screening box. Its specific technical scheme is: a plastering gypsum screening device, comprising: a screening box, the interior of the screening box is a cavity structure, the inner cavity of the screening box is respectively installed with a screening plate 1, a screening plate 2 and a screening plate 3, the screening plate 1, the screening plate 2 and the screening plate 3 are equidistantly arranged in the vertical direction, one side inner wall of the screening box is provided with three side grooves, the three side grooves correspond to the screening plate 1, the screening plate 2 and the screening plate 3 respectively, the other side inner wall of the screening box is provided with three feed openings 1, the three feed openings 1 correspond to the screening plates 1, 2 and 3 respectively,

[0005] 1. Sub-screen plate 2 and sub-screen plate 3 correspond one to one; a pushing mechanism is slidably connected to the bottom of the side groove, and the three pushing mechanisms are respectively arranged in contact with the sub-screen plate 1, the sub-screen plate 2 and the sub-screen plate 3; the pushing mechanism comprises: a pushing plate and a side block, the pushing plate is slidably connected to the bottom of the side groove, and side blocks are installed on both side ends of the pushing plate; six slide grooves are symmetrically opened on the front and rear inner walls of the sub-screen box, and the six slide grooves are opposite to each other, and the slide grooves correspond one to one with the side blocks, and the side blocks are slidably connected in the slide grooves, and a sliding rod is installed in the slide groove on the rear side, and the outer wall of the sliding rod is slidably connected with the side block on the rear side, and a lead screw 1, a lead screw 2 and a lead screw 3 are respectively rotatably installed in the three slide grooves on the front side, and the outer walls of the lead screw 1, the lead screw 2 and the lead screw 3 are all threadedly connected to the side block on the front side; the outer wall of the other side of the sub-screen box is installed There are three collecting boxes one, and the collecting boxes one correspond to the feeding ports one by one. A connecting shaft is rotatably connected between the inner walls on both sides of the feeding port one, and the outer wall of the connecting shaft is covered with baffles, and the three baffles are respectively fitted with the ends of the sub-screen plate one, the sub-screen plate two and the sub-screen plate three; three slots are equidistantly provided on the outer wall of the other side of the sub-screen box, and the connecting shaft corresponds to the slots one by one, and the end of the connecting shaft extends into the slot, and the end of the connecting shaft is rotatably connected to the inner wall of the slot, and a rotating shaft is rotatably connected between the inner walls on both sides of the slot, the outer wall of the connecting shaft is covered with a rotating wheel one, and the outer wall of the rotating shaft is covered with a rotating wheel two, a connecting belt one is installed between the rotating wheel one and the rotating wheel two, and the outer wall of the rotating shaft is covered with a gear, and a rack is installed on the top of the side block on the front side, and the gear cooperates with the rack.

[0006] Preferably, the ends of screw one, screw two and screw three all pass through the screening box, the end of screw one is equipped with wheel three, the ends of screw two are respectively equipped with wheel four and wheel five, the end of screw three is equipped with wheel six, a connecting belt two is installed between wheel three and wheel four, a connecting belt three is installed between wheel five and wheel six, a support platform is installed on one side outer wall of the screening box, a motor is installed on the top of the support platform, and the output end of the motor is connected to screw three.

[0007] Preferably, a feed funnel is installed on the side wall of the screening box, a second feed outlet is opened at the bottom of the inner cavity of the screening box, a top cover is installed on the top of the screening box, support columns are installed at the four corners of the bottom of the screening box, and a mounting groove is installed at the bottom of the screening box, a collecting box two is slidably connected in the mounting groove, and the collecting box two is located below the second feed outlet.

[0008] In addition, the plastering gypsum screening device in the above technical solution provided by the utility model can also

[0009] It has the following additional technical features: groove parts are installed at the four corners of the bottom of the sub-screen plate one, the sub-screen plate two and the sub-screen plate three, and the groove parts are embedded in the opposite surfaces of the inner cavity of the sub-screen box. A spring is welded on the inner wall of the groove part, and a slide plate is installed at the end of the spring. A sliding block is installed at the end of the slide plate away from the spring, and the end of the sliding block away from the slide plate passes through the groove part, and the ends of the multiple sliding blocks away from the slide plate are respectively connected to the sub-screen plate one, the sub-screen plate two and the sub-screen plate three.

[0010] In the above technical solution, vibration motors are installed at the bottom of the sub-screen plate one, the sub-screen plate two and the sub-screen plate three.

[0011] The utility model discloses a plastering gypsum screening device, compared with the prior art, has the following beneficial effects: the plastering gypsum screening device drives three lead screws to rotate synchronously through a motor, and the three lead screws respectively drive three push plates to move, so that the push plates push out the raw materials relative to the top of the screening plates, thereby achieving the effect of regular material discharge; when the rack is meshed with the gear, the rotating shaft is driven to rotate, so that the rotating shaft drives the second rotating wheel to rotate, and the second rotating wheel drives the first rotating wheel to rotate through the connecting belt, so that the connecting shaft drives the baffle to rotate, so that the discharge port is opened, so that the push plates can push the raw materials out of the discharge port conveniently, and the utility model has strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 A three-dimensional structural schematic diagram of a plaster gypsum screening device provided by the utility model;

[0013] Figure 2 for Figure 1 A magnified image of point A;

[0014] Figure 3 A front view of a plaster gypsum screening device provided by the utility model;

[0015] Figure 4 for Figure 3 The enlarged view of point B;

[0016] Figure 5 A side view of the screening box provided by the utility model;

[0017] Figure 6 for Figure 5 Enlarged view of point C;

[0018] in, Figures 1 to 6The reference numerals and component names are: 1. Screen box, 2. Screen plate 1, 3. Screen plate 2, 4. Screen plate 3, 5. Side trough, 6. Pushing mechanism, 7. Slide, 8. Feeding port 1, 9. Collecting box 1, 10. Vibrating motor, 11. Feeding hopper, 12. Feeding port 2, 13. Top cover, 14. Support column, 15. Mounting slot, 16. Collecting box 2, 17. Slot part, 18. Baffle, 19. Slot, 20. Connecting shaft, 21. Rotating wheel 1 , 22, rotating shaft, 23, rotating wheel two, 24, connecting belt one, 25, gear, 26, rack, 61, push plate, 62, side block, 71, slide bar, 72, screw one, 73, screw two, 74, screw three, 75, rotating wheel three, 76, rotating wheel four, 77, connecting belt two, 78, rotating wheel five, 79, rotating wheel six, 710, connecting belt three, 711, supporting table, 712, motor, 171, spring, 172, skateboard, 173, slider. DETAILED DESCRIPTION

[0019] The following is a combination of specific implementation cases and attached Figure 1-Figure 6 The utility model is further described, but the utility model is not limited to these embodiments. The utility model provides a technical solution: a plaster gypsum screening device, comprising: a screening box 1, the interior of the screening box 1 is a cavity structure, the inner cavity of the screening box 1 is respectively installed with a screening plate 1 2, a screening plate 2 3 and a screening plate 3 4, the screening plate 1 2, the screening plate 2 3 and the screening plate 3 4 are arranged equidistantly in the vertical direction, and the inner wall of one side of the screening box 1 is provided with three side grooves 5, and the bottoms of the three side grooves 5 are respectively connected to the screening plate 1 2 , the tops of the sub-screen plates 1 3 and 3 4 are level; the three side grooves 5 correspond to the sub-screen plates 1 2, 2 3 and 3 4 respectively; the inner wall on the other side of the sub-screen box 1 is provided with three feed openings 8, the feed openings 8 are communicated with the inner cavity of the sub-screen box 1, the three feed openings 8 correspond to the sub-screen plates 1 2, 2 3 and 3 4 one by one, the sub-screen plates 1 2, 2 3 and 3 4 are the same in size, and the sub-screen holes of the sub-screen plates 1 2, 2 3 and 3 4 become smaller in size in turn;

[0020] The bottom of the side groove 5 is slidably connected with a pushing mechanism 6, and the three pushing mechanisms 6 are respectively arranged in contact with the sub-screen plate 1 2, the sub-screen plate 2 3 and the sub-screen plate 3 4.

[0021] The pushing mechanism 6 includes a pushing plate 61 and a side block 62 . The pushing plate 61 is slidably connected to the bottom of the side groove 5 . The side blocks 62 are installed on both side ends of the pushing plate 61 . The two side blocks 62 are located at the front and rear ends of the pushing plate 61 .

[0022] Six slide grooves 7 are symmetrically provided on the front and rear inner walls of the sub-screen box 1. The length of the slide grooves 7 is longer than the length of the sub-screen plate. The six slide grooves 7 are opposite to each other in pairs, and the slide grooves 7 correspond to the side blocks 62 one by one. The side blocks 62 are slidably connected in the slide grooves 7. A slide rod 71 is installed in the rear slide groove 7, and the outer wall of the slide rod 71 is slidably connected to the rear side block 62. Screw 1 72, screw 2 73 and screw 3 74 are rotatably installed in the three front slide grooves 7 respectively, and the outer walls of screw 1 72, screw 2 73 and screw 3 74 are threadedly connected to the front side block 62. Screw 1 72, screw 2 73 and screw 3 74 rotate to drive the three push plates 61 to move.

[0023] Three collecting boxes 9 are installed on the outer wall of the other side of the sub-screen box 1. The collecting boxes 9 correspond to the discharge port 8 one by one. The collecting boxes 9 are located below the opening of the discharge port 8. A connecting shaft 20 is rotatably connected between the inner walls on both sides of the discharge port 8. The outer wall of the connecting shaft 20 is covered with a baffle 18. The three baffles 18 are respectively fitted with the ends of the sub-screen plate 1 2, the sub-screen plate 2 3 and the sub-screen plate 3 4.

[0024] The outer wall of the other side of the screening box 1 is provided with three slots 19 at equal intervals, the slots 19 are partially communicated with the front slide slot 7, the connecting shaft 20 corresponds to the slots 19 one by one, the end of the connecting shaft 20 extends into the slot 19, the end of the connecting shaft 20 is rotatably connected to the inner wall of the slot 19, a rotating shaft 22 is rotatably connected between the inner walls on both sides of the slot 19, the outer wall of the connecting shaft 20 is provided with a runner 21, the outer wall of the rotating shaft 22 is provided with a runner 23, the runner 21 A connecting belt 1 24 is installed between the rotating wheel 23, a gear 25 is installed on the outer wall of the rotating shaft 22, and a rack 26 is installed on the top of the front side block 62. The gear 25 cooperates with the rack 26. When the side block 62 moves to the gear 25, the rack 26 engages with the gear 25 to rotate, driving the rotating shaft 22 to rotate, and drives the connecting shaft 20 to rotate through the rotating wheel 1 21, the rotating wheel 23 and the connecting belt 1 24, so that the baffle 18 rotates and the unloading port 1 8 is opened.

[0025] As a preferred embodiment, further, the ends of screw one 72, screw two 73 and screw three 74 all pass through the screening box 1, the end of screw one 72 is equipped with a wheel three 75, the ends of screw two 73 are respectively equipped with a wheel four 76 and a wheel five 78, the end of screw three 74 is equipped with a wheel six 79, a connecting belt two 77 is installed between wheel three 75 and wheel four 76, a connecting belt three 710 is installed between wheel five 78 and wheel six 79, a support platform 711 is installed on the outer wall of one side of the screening box 1, and a motor 712 is installed on the top of the support platform 711, the output end of the motor 712 is connected to the screw three 74, and the motor 712 drives the screw one 72, screw two 73 and screw three 74 to rotate synchronously.

[0026] As a preferred solution, further, a feed funnel 11 is installed on the side wall of the screening box 1, a discharge port 12 is opened at the bottom of the inner cavity of the screening box 1, a top cover 13 is installed on the top of the screening box 1, support columns 14 are installed at the four corners of the bottom of the screening box 1, and a mounting groove 15 is installed at the bottom of the screening box 1. A collecting box 16 is slidably connected to the mounting groove 15. The collecting box 16 is installed and disassembled by sliding in the mounting groove 15, and the collecting box 16 is located below the discharge port 12.

[0027] As a preferred solution, further, groove pieces 17 are installed at the four corners of the bottom of sub-screen plates 1 2, 3 and 4, and the groove pieces 17 are embedded in the opposite surfaces of the inner cavity of the sub-screen box 1. A spring 171 is welded on the inner wall of the groove piece 17, and a slide plate 172 is installed at the end of the spring 171. A slider 173 is installed at the end of the slide plate 172 away from the spring 171, and the end of the slider 173 away from the slider 172 passes through the groove piece 17, and the ends of the four sliders 173 in each layer away from the slider 172 are respectively connected to sub-screen plates 1 2, 3 and 4, and vibration motors 10 are installed at the bottom of sub-screen plates 1 2, 3 and 4, and the vibration motors 10 improve the screening efficiency.

[0028] The screening plate, vibration motor and motor in this case are existing technologies. The screening plate, vibration motor and motor have the same structure and connection method as those in the cited documents. The motor is a three-phase motor. As long as the screening plate, vibration motor and motor meet the requirements of this case, they are all acceptable.

[0029] Working principle: the electrical components appearing in the present application are all connected to an external power supply and a control switch when in use. After the utility model is installed, first check the installation and fixation and safety protection of the utility model, and then it can be used; when in use, the plastering gypsum raw materials are fed in through the feeding funnel 11, and the raw materials fall on the top of the sub-screen plate 2. After the vibration of the vibration motor 10, the raw materials that meet the size fall down to the top of the sub-screen plate 2 3, and the raw materials that meet the size again pass through the sub-screen plate 2 3 and fall to the top of the sub-screen plate 3 4. Finally, the raw materials that meet the size fall through the sub-screen plate 3 4 and enter the collection box 2 16 through the discharge port 2 12; at this time, the raw materials are located on the top of the sub-screen plate 1 2, the sub-screen plate 2 3 and the sub-screen plate 3 4 from large to small.

[0030] After the screening box 1 screens a batch of raw materials, it is necessary to recycle the raw materials filtered by the screening, turn on the motor 712, so that the motor 712 drives the lead screw 3 74 to rotate, and the lead screw 3 74 drives the lead screw 2 73 to rotate through the rotating wheel 5 78, the rotating wheel 6 79 and the connecting belt 3 710, and the lead screw 2 73 drives the lead screw 1 72 to rotate through the rotating wheel 3 75, the rotating wheel 4 76 and the connecting belt 2 77, so that the motor 712 synchronously drives the lead screw 1 72, the lead screw 2 73 and the lead screw 3 74 to rotate, and the lead screw 1 72, the lead screw 2 73 and the lead screw 3 74 respectively pass through the side of the front side. The block 62 drives the three push plates 61 to move, and the push plates 61 push the raw materials toward the opposite discharge port 8. When the top rack 26 of the front side block 62 meshes with the gear 25, the gear 25 drives the rotating shaft 22 to rotate, and the rotating shaft 22 drives the connecting shaft 20 to rotate through the rotating wheel 23, the connecting belt 124 and the rotating wheel 21. The connecting shaft 20 drives the baffle 18 to rotate, so that the baffle 18 opens the discharge port 8, which is convenient for the push plate 61 to push the material into the discharge port 8, so that the raw materials at different heights enter different collection boxes 9 respectively, which is convenient for the staff to recycle.

[0031] Then the motor 712 drives the push plate 61 to move back, so that the rack 26 meshes with the gear 25 again, so that the rotating shaft 22 and the connecting shaft 20 rotate, and drives the baffle 18 to rotate, and closes the opening of the discharge port 8 to prevent the raw material from falling out of the screening box 1 directly through the discharge port 8.

[0032] In the description of the present invention, the term "plurality" refers to two or more than two. Unless otherwise clearly defined, the orientation or positional relationship indicated by the terms "upper" and "lower" is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention. The terms "connection", "installation", "fixation", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A plaster gypsum screening device, comprising: The screening box (1) is characterized in that the interior of the screening box (1) is a cavity structure, the inner cavity of the screening box (1) is respectively installed with a screening plate 1 (2), a screening plate 2 (3) and a screening plate 3 (4), the screening plate 1 (2), the screening plate 2 (3) and the screening plate 3 (4) are arranged equidistantly in the vertical direction, one side inner wall of the screening box (1) is provided with three side grooves (5), the three side grooves (5) respectively correspond to the screening plate 1 (2), the screening plate 2 (3) and the screening plate 3 (4), and the other side inner wall of the screening box (1) is provided with three material discharge ports 1 (8), the three material discharge ports 1 (8) correspond to the screening plate 1 (2), the screening plate 2 (3) and the screening plate 3 (4) respectively; The bottom of the side groove (5) is slidably connected with a material pushing mechanism (6), and the three material pushing mechanisms (6) are respectively arranged in close contact with the sub-screen plate 1 (2), the sub-screen plate 2 (3) and the sub-screen plate 3 (4); The pushing mechanism (6) comprises: a pushing plate (61) and a side block (62); the pushing plate (61) is slidably connected to the bottom of the side groove (5); and the side blocks (62) are installed on both side ends of the pushing plate (61); Six slide grooves (7) are symmetrically provided on the front and rear inner walls of the screening box (1), the six slide grooves (7) are opposite to each other in pairs, the slide grooves (7) correspond to the side blocks (62) one by one, the side blocks (62) are slidably connected in the slide grooves (7), a slide rod (71) is installed in the slide groove (7) on the rear side, the outer wall of the slide rod (71) is slidably connected to the side block (62) on the rear side, and a lead screw 1 (72), a lead screw 2 (73) and a lead screw 3 (74) are rotatably installed in the three slide grooves (7) on the front side, respectively, and the outer walls of the lead screw 1 (72), the lead screw 2 (73) and the lead screw 3 (74) are all threadedly connected to the side block (62) on the front side; Three collecting boxes (9) are installed on the outer wall of the other side of the sub-screen box (1), and the collecting boxes (9) correspond to the discharge port (8) one by one. A connecting shaft (20) is rotatably connected between the inner walls on both sides of the discharge port (8), and a baffle (18) is mounted on the outer wall of the connecting shaft (20). The three baffles (18) are respectively fitted with the ends of the sub-screen plate (2), the sub-screen plate (3) and the sub-screen plate (4); The outer wall of the other side of the screening box (1) is provided with three slots (19) at equal intervals, the connecting shaft (20) corresponds to the slots (19) one by one, the end of the connecting shaft (20) extends into the slot (19), the end of the connecting shaft (20) is rotatably connected to the inner wall of the slot (19), a rotating shaft (22) is rotatably connected between the inner walls on both sides of the slot (19), the outer wall of the connecting shaft (20) is provided with a rotating wheel 1 (21), the outer wall of the rotating shaft (22) is provided with a rotating wheel 2 (23), a connecting belt 1 (24) is installed between the rotating wheel 1 (21) and the rotating wheel 2 (23), the outer wall of the rotating shaft (22) is provided with a gear (25), a rack (26) is installed on the top of the front side side block (62), and the gear (25) cooperates with the rack (26).

2. A plaster gypsum screening device according to claim 1, characterized in that: The ends of the screw one (72), the screw two (73) and the screw three (74) all pass through the screening box (1); the end of the screw one (72) is fitted with a wheel three (75); the ends of the screw two (73) are respectively fitted with a wheel four (76) and a wheel five (78); the end of the screw three (74) is fitted with a wheel six (79); a connecting belt two (77) is installed between the wheel three (75) and the wheel four (76); a connecting belt three (710) is installed between the wheel five (78) and the wheel six (79); a support platform (711) is installed on the outer wall of one side of the screening box (1); a motor (712) is installed on the top of the support platform (711); the output end of the motor (712) is connected to the screw three (74).

3. A plaster gypsum screening device according to claim 1, characterized in that: A feeding funnel (11) is installed on the side wall of the screening box (1), a second material discharge port (12) is opened at the bottom of the inner cavity of the screening box (1), a top cover (13) is installed on the top of the screening box (1), support columns (14) are installed at the four corners of the bottom of the screening box (1), a mounting groove (15) is installed at the bottom of the screening box (1), and a second collecting box (16) is slidably connected in the mounting groove (15), and the second collecting box (16) is located below the second material discharge port (12).

4. A plaster gypsum screening device according to claim 1, characterized in that: The four corners of the bottom of the sub-screen plate 1 (2), the sub-screen plate 2 (3) and the sub-screen plate 3 (4) are all installed with groove parts (17), and the groove parts (17) are embedded in the opposite surfaces of the inner cavity of the sub-screen box (1). The inner wall of the groove part (17) is welded with a spring (171), and a slide plate (172) is installed at the end of the spring (171). A slider (173) is installed at the end of the slide plate (172) away from the spring (171), and the end of the slider (173) away from the slide plate (172) passes through the groove part (17), and the ends of the multiple sliders (173) away from the slide plate (172) are respectively connected to the sub-screen plate 1 (2), the sub-screen plate 2 (3) and the sub-screen plate 3 (4), and the bottom of the sub-screen plate 1 (2), the sub-screen plate 2 (3) and the sub-screen plate 3 (4) are all installed with a vibration motor (10).

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