CN113058695B - Efficient grinding device for gypsum powder - Google Patents

Efficient grinding device for gypsum powder Download PDF

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Publication number
CN113058695B
CN113058695B CN202110319575.XA CN202110319575A CN113058695B CN 113058695 B CN113058695 B CN 113058695B CN 202110319575 A CN202110319575 A CN 202110319575A CN 113058695 B CN113058695 B CN 113058695B
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fixedly connected
box
plate
grinding
sides
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CN113058695A (en
Inventor
曹春辉
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Wu Jing
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Guixi Faraday Gypsum Board Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C7/00Crushing or disintegrating by disc mills
    • B02C7/02Crushing or disintegrating by disc mills with coaxial discs
    • B02C7/04Crushing or disintegrating by disc mills with coaxial discs with concentric circles of intermeshing teeth
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C7/00Crushing or disintegrating by disc mills
    • B02C7/11Details
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C7/00Crushing or disintegrating by disc mills
    • B02C7/11Details
    • B02C7/12Shape or construction of discs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C7/00Crushing or disintegrating by disc mills
    • B02C7/11Details
    • B02C7/16Driving mechanisms

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)

Abstract

The invention discloses a high-efficiency grinding device for gypsum powder, and particularly relates to the field of gypsum powder processing equipment. The invention can utilize the rotation of the first motor to drive the flour mill box to rotate, and is matched with the grinding disc at the bottom of the cover plate, so that the gypsum powder of the flour mill box is ground by the grinding disc in the rotating process, and the cover plate can move up and down by utilizing the sliding connection between the chute plate and the cover plate, thereby adding the gypsum powder into the flour mill box.

Description

Efficient grinding device for gypsum powder
Technical Field
The invention relates to the technical field of gypsum powder processing equipment, in particular to a high-efficiency grinding device for gypsum powder.
Background
Gypsum powder generally refers to gypsum, and gypsum dihydrate gypsum (CaSO4.2H2O) is calcium sulfate dihydrate, and has the functions of treating wind stroke cold and heat, relieving muscles and sweating, removing dry mouth and tongue scorched, relieving headache and toothache and the like. Gypsum is generally white or colorless and transparent, and when impurities are contained, the gypsum is grayish brown, yellow and the like, has a specific gravity of 2.31 to 2.33, has a Mohs hardness of 1.5 to 2, and has a relatively low solubility in water, and the solubility of dihydrate gypsum converted into CaO at 20 ℃ is 2.05 g per liter. After the gypsum is hardened, a large number of pores are formed inside the gypsum, and the porosity can reach 50% -60%, so that the gypsum has low density and low strength. The building gypsum has strong hygroscopicity after hardening, after moisture absorption, the cohesive force among crystals is weakened, the strength is obviously reduced, the crystals are dissolved to cause damage when meeting water, and the crystals are frozen after water absorption and are more prone to crack. Therefore, the pure building gypsum has poor water resistance and freezing resistance. When the building gypsum is set, the building gypsum does not shrink like lime and cement, but slightly expands (about 1%), and cracks do not appear when the building gypsum is hardened. Therefore, the gypsum slurry can be cast into a component with accurate size and smooth and delicate surface. When the gypsum is exposed to fire, the crystal water in the dihydrate gypsum evaporates to absorb heat, and the anhydrous substance generated on the surface is a good thermal insulator, so that the gypsum has good fire resistance.
The existing grinding device has some defects in some aspects and needs to be further improved, and the existing grinding device has low efficiency in use, so that the grinding time is long.
Disclosure of Invention
In order to overcome the above defects in the prior art, embodiments of the present invention provide an efficient grinding device for gypsum powder to solve the above problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a high-efficiency grinding device for gypsum powder comprises a box body and a box door hinged to the surface of the box body through a hinge, wherein fixed plates are fixedly connected to the bottoms of inner walls on two sides of the box body, a supporting plate is arranged between the two fixed plates in a sliding mode, a first motor is fixedly mounted at the top of the supporting plate, a grinding box with an opening at the top is fixedly connected to an output shaft of the first motor, the bottom of the grinding box is fixedly connected and communicated with a discharging pipe, a valve is arranged at the opening of the discharging pipe, sliding groove plates are fixedly connected to the tops of the inner walls on two sides of the box body, a cover plate is connected between the two sliding groove plates in a sliding mode and lapped on the top of the grinding box, a handle is fixedly connected to the top of the cover plate, a fixed rod penetrating the inside the grinding box is rotatably connected to the middle of the bottom surface of the cover plate through a bearing, a grinding disc is fixedly connected to the bottom of the inner walls of the grinding box, an insertion groove is formed in the top of the grinding disc, four clamping blocks which are distributed circumferentially are fixedly connected to the bottom of the fixed rod, a connecting box is sleeved with a connecting box, and four clamping blocks are connected to the inner wall of the grinding box through the connecting box, and a cross rod, and four sides of the connecting box are far away from the connecting rod;
the equal fixedly connected with connecting plate in both sides of box inner wall bottom, two the sleeve has all been inlayed, two to the side of connecting plate the movable rod has all been cup jointed, two to telescopic inside the equal fixedly connected with movable block of one end that the movable rod was kept away from each other, the equal fixedly connected with connecting rod in both sides of backup pad bottom, two the bottom of connecting rod is rotated through the pivot and is connected with the gyro wheel No. one, just the surface of gyro wheel is laminated with the top of movable block mutually, the bottom of box inner wall is provided with the actuating mechanism who is used for the movable rod to remove.
Furthermore, actuating mechanism includes No. two motors of fixed mounting in box inner wall bottom middle part, the output shaft fixedly connected with cam of No. two motors, the one end that the movable block was kept away from to the movable rod rotates through the pivot and is connected with No. two gyro wheels, just the surface of No. two gyro wheels closely laminates with the surface of cam.
Furthermore, a baffle ring is fixedly sleeved on the surface of the movable rod, and a first spring sleeved on the surface of the movable rod is fixedly connected between the baffle ring and the connecting plate.
Furthermore, the top of the movable block is composed of two planes and an inclined plane, and the first roller is overlapped on the plane of the bottom.
Further, the equal fixedly connected with bottom plate in both sides of box inner wall bottom, a spout has been seted up at the top of bottom plate, the inside sliding connection of a spout has two sliders, and two the top fixedly connected with bracing piece of slider, the top of bracing piece and the bottom fixed connection of movable block.
Furthermore, two one sides of the fixing plates opposite to each other are provided with grooves, sliding rods are fixedly connected inside the grooves, the supporting plates are sleeved on the surfaces of the two sliding rods, and springs are fixedly connected between the supporting plates and the tops of the grooves and sleeved on the surfaces of the sliding rods.
Further, equal fixedly connected with telescopic link between both sides at apron top and the box inner wall top, two snap rings, two have been cup jointed to the fixed surface of telescopic link fixedly connected with cover establishes No. three springs outside the telescopic link between the snap ring.
Furthermore, two sliding grooves are formed in one side, opposite to the sliding groove plates, of each sliding groove, sliding plates are connected to the inner portions of the sliding grooves in a sliding mode, and the sliding plates are fixedly connected to the two sides of the cover plate respectively.
Furthermore, the fixed surface of the flour mill box is connected with an annular plate, two sides of the bottom of the cover plate are fixedly connected with pulleys, and the pulleys are lapped on the top of the annular plate.
Further, the inside fixedly connected with of connecting box controls the support column that distributes, the inside sliding connection of support column has the stopper with the laminating of support column inner wall, no. three spouts have all been seted up to the both sides of support column, the inside fixedly connected with of stopper wears to locate the inside kelly of two No. three spouts, the surface of dead lever just is located the inside of connecting box and sets up an annular groove that the slope set up, no. two annular groove that the slope set up are seted up to the inside wall of connecting box, annular groove and No. two annular groove's incline direction is symmetrical, just the both ends of kelly joint respectively in an annular groove and No. two annular groove's inside.
The invention has the technical effects and advantages that:
1. compared with the prior art, through setting up a motor, can utilize the rotation of a motor to drive the flour mill case and rotate to the abrasive disc of cooperation apron bottom makes the gesso of flour mill case rotate the in-process and is ground by the abrasive disc, and utilizes sliding connection between chute board and the apron, makes the apron reciprocate, thereby can add the inside of grinding case with the gesso.
2. Compared with the prior art, through setting up No. two motors, can drive the cam through the rotation of No. two motors and rotate, and under the elastic action of a spring, the rotation of cam drives the reciprocating motion about when No. two gyro wheels pivoted, thereby drive the reciprocating motion about the movable block, utilize the inclined plane at movable block top, simultaneously under the elastic action of No. two springs, reciprocating motion's in-process drives a gyro wheel reciprocating motion from top to bottom about the movable block, thereby drive backup pad reciprocating motion from top to bottom, consequently, drive flour mill case reciprocating motion from top to bottom, the apron is under the elastic action that receives No. three springs this moment, along with grinding case reciprocating motion from top to bottom together, thereby make the inside gypsum powder of flour mill case roll from top to bottom, thereby make the gypsum powder grinding efficiency increase, it is more high-efficient.
3. Compared with the prior art, through setting up the handle, can conveniently remove the apron to conveniently reinforced, through setting up annular plate and pulley, can make the powder grind case and drive the annular plate and rotate bottom the pulley in the rotation process, utilize the roll between slider and the annular plate, make and leave the gap between powder grind case and the apron, thereby avoid the situation that wearing and tearing appear because of the friction between powder grind case and the apron.
4. Compared with the prior art, through setting up slot and fixture block, can make the dead lever peg graft with the abrasive disc mutually, thereby can utilize the rotation of flour mill case to drive the dead lever and rotate, because ring groove and the kelly joint on fixed rod surface, and ring groove slope sets up, consequently the kelly needs reciprocate, no. two ring groove joints on kelly and the connecting box inside wall simultaneously, no. two ring groove and the direction symmetry of a ring groove slope simultaneously, consequently, the dead lever pivoted in-process drives kelly up-and-down reciprocating motion, kelly up-and-down reciprocating motion drives the connecting box and carries out the antiport simultaneously, thereby make abrasive disc and annular grinding plate rotate relatively, thereby carry out the grinding to the gypsum powder.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the internal structure of the present invention.
FIG. 3 is a top sectional view of the chute plate of the invention.
FIG. 4 is a schematic view of the internal structure of the grinding box of the present invention.
Fig. 5 is a schematic view showing the internal structure of the junction box of the present invention.
Fig. 6 is a schematic structural view of a first ring slot of the present invention.
Fig. 7 is a schematic structural view of a second ring slot of the present invention.
Fig. 8 is a top view of the abrasive disk of the present invention.
The reference signs are: 1. a box body; 2. a fixing plate; 3. a support plate; 4. a first motor; 5. grinding the powder in a box; 6. a discharge pipe; 7. a box door; 8. a chute plate; 9. a cover plate; 10. a handle; 11. fixing the rod; 12. a grinding disk; 13. a connecting plate; 14. a sleeve; 15. a movable rod; 16. a movable block; 17. a connecting rod; 18. a first roller; 19. a second motor; 20. a cam; 21. a second roller; 22. a baffle ring; 23. a first spring; 24. a base plate; 25. a first chute; 26. a slider; 27. a support bar; 28. a groove; 29. a slide bar; 30. a second spring; 31. a telescopic rod; 32. a snap ring; 33. a third spring; 34. a second chute; 35. a slide plate; 36. an annular plate; 37. a pulley; 38. a connecting box; 39. a cross bar; 40. an annular lapping plate; 41. a slot; 42. a fixture block, 43 and a support column; 44. a limiting block; 45. a third sliding chute; 46. a clamping rod; 47. a first annular clamping groove; 48. annular card groove No. two.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The efficient gypsum powder grinding device shown in the attached figures 1-8 comprises a box body 1 and a box door 7 hinged on the surface of the box body 1 through a hinge, wherein the bottoms of the inner walls on the two sides of the box body 1 are fixedly connected with fixing plates 2, a supporting plate 3 is arranged between the two fixing plates 2 in a sliding manner, the top of the supporting plate 3 is fixedly provided with a motor 4, the output shaft of the motor 4 is fixedly connected with a grinding box 5 with an opening at the top, the bottom of the grinding box 5 is fixedly connected and communicated with a discharge pipe 6, a valve is arranged at the opening of the discharge pipe 6, the tops of the inner walls on the two sides of the box body 1 are fixedly connected with chute plates 8, a cover plate 9 is connected between the two chute plates 8 in a sliding manner, the cover plate 9 is lapped on the top of the grinding box 5, the top of the cover plate 9 is fixedly connected with a handle 10, the middle part of the bottom surface of the cover plate 9 is rotatably connected with a fixing rod 11 penetrating through the bearing, the bottom of the inner wall of the grinding box 5 is fixedly connected with a grinding disc 12, the top of the grinding disc 12 is provided with a slot 41, the bottom of the surface of a fixed rod 11 is fixedly connected with four clamping blocks 42 which are distributed circumferentially, the fixed rod 11 and the four clamping blocks 42 are inserted into the slot 41, the fixed rod 11 and the grinding disc 12 can be inserted by arranging the slot 41 and the clamping blocks 42, so that the fixed rod 11 can be driven to rotate by the rotation of the grinding box 5, the surface of the fixed rod 11 is sleeved with a connecting box 38, the top and the bottom of the connecting box 38 are rotatably connected with the fixed rod 11 through a bearing, the four sides of the connecting box 38 are fixedly connected with cross rods 39, and one ends of the four cross rods 39, far away from the connecting box 38, are fixedly connected with annular grinding plates 40 which are attached to the inner wall of the grinding box 5;
the equal fixedly connected with connecting plate 13 in both sides of 1 inner wall bottom of box, sleeve 14 has all been inlayed to the side of two connecting plates 13, movable rod 15 has all been cup jointed to two sleeve 14's inside, the equal fixedly connected with movable block 16 of one end that two movable rod 15 kept away from each other, the equal fixedly connected with connecting rod 17 in both sides of 3 bottoms of backup pad, the bottom of two connecting rod 17 is rotated through the pivot and is connected with gyro wheel 18 No. one, and the surface of gyro wheel 18 laminates with the top of movable block 16 mutually, the bottom of 1 inner wall of box is provided with the actuating mechanism who is used for movable rod 15 to remove.
In a preferred embodiment, actuating mechanism includes No. two motors 19 of fixed mounting in box 1 inner wall bottom middle part, no. two motor 19's output shaft fixedly connected with cam 20, the one end that the movable block 16 was kept away from to movable rod 15 rotates through the pivot and is connected with No. two gyro wheels 21, and No. two gyro wheels 21's surface closely laminates with cam 20's surface, so that can drive cam 20 through No. two motor 19's rotation and rotate, cam 20's rotation drives No. two gyro wheels 21 and removes when rotating, thereby drive movable block 16 and remove.
In a preferred embodiment, a stop ring 22 is fixedly sleeved on the surface of the movable rod 15, and a first spring 23 sleeved on the surface of the movable rod 15 is fixedly connected between the stop ring 22 and the connecting plate 13, so that under the elastic action of the first spring 23, the rotation of the cam 20 drives the second roller 21 to rotate and simultaneously reciprocate left and right, and thus the movable block 16 is driven to reciprocate left and right.
In a preferred embodiment, the top of the movable block 16 is composed of two planes and an inclined plane, and the first roller 18 is overlapped on the bottom plane, so that the inclined plane at the top of the movable block 16 is utilized to enable the movable block 16 to drive the second roller 21 to move up and down in the process of moving left and right, and further drive the support plate 3 to move up and down.
In a preferred embodiment, the equal fixedly connected with bottom plate 24 in both sides of box 1 inner wall bottom, a spout 25 has been seted up at the top of bottom plate 24, the inside sliding connection of a spout 25 has two sliders 26, and the top fixedly connected with bracing piece 27 of two sliders 26, the top of bracing piece 27 and the bottom fixed connection of movable block 16, so that can slider 26 and bottom plate 24 between sliding connection, make the movable block 16 can remove about, it is spacing to carry out the movable block 16 simultaneously, avoid the movable block 16 to take place to rotate.
In a preferred embodiment, grooves 28 are formed in opposite sides of the two fixing plates 2, sliding rods 29 are fixedly connected inside the grooves 28, the supporting plate 3 is sleeved on the surfaces of the two sliding rods 29, and a second spring 30 sleeved on the surface of the sliding rod 29 is fixedly connected between the supporting plate 3 and the top of the groove 28, so that the first roller 18 is driven to reciprocate up and down in the left-right reciprocating process of the movable block 16 under the elastic action of the second spring 30, the supporting plate 3 is driven to reciprocate up and down, and the flour milling box 5 is driven to reciprocate up and down.
In a preferred embodiment, equal fixedly connected with telescopic link 31 between the both sides at apron 9 top and the box 1 inner wall top, two snap rings 32 have been cup jointed to telescopic link 31's fixed surface, fixedly connected with cover is established at the outside No. three spring 33 of telescopic link 31 between two snap rings 32, so that apron 9 is receiving No. three spring 33's elastic action down, along with flour mill case 5 up-and-down reciprocating motion together, thereby make apron 9 stop its inside gesso in the up-and-down reciprocating motion in-process at grinding case 5, avoid the gesso departure.
In a preferred embodiment, two sliding grooves 34 are opened on opposite sides of the two sliding groove plates 8, sliding plates 35 are slidably connected inside the two sliding grooves 34, and the two sliding plates 35 are fixedly connected to two sides of the cover plate 9 respectively, so that the sliding connection between the sliding groove plates 8 and the cover plate 9 can be utilized, and the cover plate 9 can move up and down.
In a preferred embodiment, the outer surface of the grinding box 5 is fixedly connected with an annular plate 36, two sides of the bottom of the cover plate 9 are fixedly connected with pulleys 37, and the pulleys 37 are lapped on the top of the annular plate 36, so that the annular plate 36 and the pulleys 37 can be utilized, the grinding box 5 can drive the annular plate 36 to rotate at the bottom of the pulleys 37 in the rotating process, and a gap is left between the grinding box 5 and the cover plate 9 by utilizing the rolling between the sliding block 37 and the annular plate 36, thereby avoiding the abrasion condition between the grinding box 5 and the cover plate 9 due to friction.
In a preferred embodiment, two supporting columns 43 distributed left and right are fixedly connected to the inside of the connecting box 38, a limiting block 44 attached to the inner wall of each supporting column 43 is slidably connected to the inside of each supporting column 43, three sliding grooves 45 are formed in the two sides of each supporting column 43, clamping rods 46 inside the two three sliding grooves 45 are arranged in a penetrating mode through the inside of each limiting block 44, a first annular clamping groove 47 obliquely arranged is formed in the surface of each fixing rod 11 and located inside the connecting box 38, a second annular clamping groove 48 obliquely arranged is formed in the inner side wall of the connecting box 38, the first annular clamping groove 47 and the second annular clamping groove 48 are symmetrical in the oblique direction, two ends of each clamping rod 46 are clamped inside the first annular clamping groove 47 and the second annular clamping groove 48 respectively, so that the first annular clamping groove on the surface of each fixing rod 11 can be clamped with the clamping rods 46, the first annular clamping groove 46 is obliquely arranged, therefore, the clamping rods 46 need to move up and down, the clamping rods 46 are clamped with the second annular clamping grooves 46 on the inner side wall of the connecting box 38, meanwhile, the second annular clamping grooves 48 are symmetrical to drive the grinding rod 11 to rotate up and down, and the grinding plate 12 to rotate in a reciprocating manner.
The working principle of the invention is as follows: when the grinding box is used, the cover plate 9 is lifted upwards through the handle 10, then gypsum powder is added into the grinding box 5, then the cover plate 9 moves downwards and the clamping blocks 42 on the surfaces of the fixing rods 11 are inserted into the insertion holes in the top of the grinding disc 12, at the moment, under the elastic action of the third spring 33, the fixing rods 11 are inserted and fastened with the grinding disc 12, then the grinding box 5 is driven to rotate through the rotation of the first motor 4, as the grinding disc 12 is fixedly connected with the grinding box 5, the grinding disc 12 and the fixing rods 11 are driven to rotate through the rotation of the grinding box 5, as the first annular clamping groove on the surface of the fixing rod 11 is clamped with the clamping rods 46 and the first annular clamping groove 46 is obliquely arranged, the clamping rods 46 need to move up and down, meanwhile, the clamping rods 46 are clamped with the second annular clamping grooves 46 on the inner side wall of the connecting box 38, and meanwhile, the second annular clamping grooves 48 are symmetrical to the oblique direction of the first annular clamping grooves 46, therefore, the fixing rod 11 drives the clamping rod 46 to reciprocate up and down in the rotating process, the clamping rod 46 drives the connecting box 38 to rotate reversely in the reciprocating motion up and down, so that the grinding disc 12 and the annular grinding plate 40 rotate relatively, the gypsum powder is ground, meanwhile, the cam 20 is driven to rotate through the rotation of the second motor 19, under the elastic action of the first spring 23, the cam 20 rotates to drive the second roller 21 to reciprocate left and right while rotating, so as to drive the movable block 16 to reciprocate left and right, and by utilizing the inclined plane at the top of the movable block 16, under the elastic action of the second spring 30, the movable block 16 drives the first roller 18 to reciprocate up and down in the reciprocating motion left and right, so as to drive the support plate 3 to reciprocate up and down, so as to drive the grinding box 5 to reciprocate up and down, at the moment, the cover plate 9 is under the elastic action of the third spring 33, along with flour mill case 5 up-down reciprocating motion together to make the inside gesso of flour mill case 5 roll from top to bottom, thereby make the gesso grinding efficiency increase, it is more high-efficient.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," "connecting," and "connecting" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be directly connected, and "upper," "lower," "left," and "right" are only used to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (7)

1. The utility model provides a high-efficient grinding device of gesso, includes box (1) and articulates chamber door (7) on box (1) surface through the hinge, its characterized in that: the bottom of the inner walls of the two sides of the box body (1) is fixedly connected with a fixed plate (2), a supporting plate (3) is arranged between the two fixed plates (2) in a sliding manner, a first motor (4) is fixedly installed at the top of the supporting plate (3), an output shaft of the first motor (4) is fixedly connected with a grinding box (5) with an open top, the bottom of the grinding box (5) is fixedly connected and communicated with a discharge pipe (6), a valve is arranged at an opening of the discharge pipe (6), the top of the inner walls of the two sides of the box body (1) is fixedly connected with a chute plate (8), a cover plate (9) is slidably connected between the two chute plates (8), the cover plate (9) is lapped on the top of the grinding box (5), a handle (10) is fixedly connected with the top of the cover plate (9), the middle part of the bottom surface of the cover plate (9) is rotatably connected with a fixed rod (11) penetrating through a bearing inside the grinding box (5), the bottom of the inner wall of the grinding box (5) is fixedly connected with a grinding disc (12), the top of the grinding disc (12) is provided with a slot (41), the fixed rod (11) is fixedly connected with four fixed rods (42) and is distributed on the bottom of the fixed block (42) and is inserted in the four slots (41), the surface of the fixed rod (11) is sleeved with a connecting box (38), the top and the bottom of the connecting box (38) are rotatably connected with the fixed rod (11) through bearings, cross rods (39) are fixedly connected to four sides of the connecting box (38), and one ends of the four cross rods (39) far away from the connecting box (38) are fixedly connected with annular grinding plates (40) attached to the inner wall of the grinding box (5);
the two sides of the bottom of the inner wall of the box body (1) are fixedly connected with connecting plates (13), sleeves (14) are inlaid on the side faces of the two connecting plates (13), movable rods (15) are sleeved inside the two sleeves (14), one ends, away from each other, of the two movable rods (15) are fixedly connected with movable blocks (16), connecting rods (17) are fixedly connected to the two sides of the bottom of the supporting plate (3), the bottom ends of the two connecting rods (17) are rotatably connected with a first roller (18) through rotating shafts, the surface of the first roller (18) is attached to the top of each movable block (16), and a driving mechanism for moving the movable rods (15) is arranged at the bottom of the inner wall of the box body (1);
telescopic rods (31) are fixedly connected between two sides of the top of the cover plate (9) and the top of the inner wall of the box body (1), two clamping rings (32) are fixedly sleeved on the surfaces of the telescopic rods (31), and a third spring (33) sleeved outside the telescopic rods (31) is fixedly connected between the two clamping rings (32);
a second sliding groove (34) is formed in one side, opposite to the two sliding groove plates (8), of each sliding groove (34), a sliding plate (35) is connected inside each sliding groove (34) in a sliding mode, and the two sliding plates (35) are fixedly connected to the two sides of the cover plate (9) respectively;
the outer fixed surface of flour mill case (5) is connected with annular plate (36), the equal fixedly connected with pulley (37) in both sides of apron (9) bottom, just pulley (37) overlap joint is at the top of annular plate (36).
2. The efficient grinding device for the gypsum powder of claim 1, which is characterized in that: actuating mechanism includes No. two motor (19) of fixed mounting in box (1) inner wall bottom middle part, the output shaft fixedly connected with cam (20) of No. two motor (19), the one end that movable block (16) were kept away from in movable rod (15) is rotated through the pivot and is connected with No. two gyro wheels (21), just the surface of No. two gyro wheels (21) closely laminates with the surface of cam (20).
3. The efficient grinding device for the gypsum powder as claimed in claim 2, wherein: the surface of the movable rod (15) is fixedly sleeved with a baffle ring (22), and a first spring (23) sleeved on the surface of the movable rod (15) is fixedly connected between the baffle ring (22) and the connecting plate (13).
4. The efficient grinding device for the gypsum powder of claim 3, which is characterized in that: the top of the movable block (16) is composed of two planes and an inclined plane, and the first roller (18) is lapped on the plane of the bottom.
5. The efficient grinding device for the gypsum powder of claim 4, wherein: the equal fixedly connected with bottom plate (24) in both sides of box (1) inner wall bottom, spout (25) have been seted up No. one at the top of bottom plate (24), the inside sliding connection of spout (25) has two sliders (26), and two the top fixedly connected with bracing piece (27) of slider (26), the top of bracing piece (27) and the bottom fixed connection of movable block (16).
6. The efficient grinding device for the gypsum powder as claimed in claim 5, wherein: two fixed plate (2) relative one side all seted up recess (28), the inside fixedly connected with slide bar (29) of recess (28), just backup pad (3) cup joint on the surface of two slide bars (29), fixedly connected with cover is established No. two spring (30) on slide bar (29) surface between backup pad (3) and recess (28) top.
7. The efficient grinding device for the gypsum powder of claim 6, which is characterized in that: support column (43) that distribute about two inside fixedly connected with of connecting box (38), the inside sliding connection of support column (43) has stopper (44) with support column (43) inner wall laminating, no. three spout (45) have all been seted up to the both sides of support column (43), no. two inside kelly (46) of No. three spout (45) are worn to locate by the inside fixedly connected with of stopper (44), the surface of dead lever (11) just is located the inside of connecting box (38) and sets up annular clamping groove (47) that the slope set up, no. two annular clamping groove (48) that the slope set up are seted up to the inside wall of connecting box (38), the incline direction of No. one annular clamping groove (47) and No. two annular clamping groove (48) is symmetrical, just the inside at No. one annular clamping groove (47) and No. two annular clamping groove (48) of joint respectively at the both ends of kelly (46).
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