Premixed mortar screening device

Abstract

The utility model relates to the technical field of mortar screening, in particular to a premixed mortar screening device which comprises a screening grating plate, a mounting frame and a bottom plate, a plurality of screening holes are formed in the screening grating plate, fixing grooves are formed in the two ends of the screening grating plate, pulleys and fixing mechanisms are arranged at the two ends of the mounting frame, and each fixing mechanism comprises a fixing rod and a fixing block. A limiting ring and a first spring are arranged on the fixing rod, a movable cavity is formed in the fixing block, two supports are arranged on the bottom plate, sliding rail grooves are formed in the supports, a recycling inclined plate and a connecting rod are arranged between the two supports, a rotating disc is rotationally arranged on the connecting rod, and a transmission rod is rotationally arranged at the position, close to the edge, of the rotating disc. According to the design, different screening grids suitable for screening holes of different sizes can be replaced to meet the screening requirement, so that the same equipment can process various screening tasks, and the whole equipment does not need to be replaced.

Description

TECHNICAL FIELD

[0001] The utility model relates to mortar screening technical field especially, relate to a premixed mortar screening device. BACKGROUND

[0002] Mortar is the binding material used in bricklaying in construction, which is made of sand and cementing material in a certain proportion and water, also known as mortar, and is an indispensable material in the construction field. The sand needs to be screened before mixing with mortar. However, the existing screening device cannot quickly collect small stones during screening, resulting in a large amount of time wasted on collecting stones after each screening work, which reduces work efficiency. In order to avoid the above technical problems, it is necessary to provide a premixed mortar screening device to overcome the defects in the prior art.

[0003] The prior art patent CN215844157U discloses a premixed mortar screening device. The top end of the supporting leg is provided with a sliding groove plate. One end of the transmission pin is provided with a screening grid plate. The inner side of the screening grid plate is provided with a limiting groove plate. The inner side of the limiting groove plate is slidably provided with a blocking plate. The inside of the screening grid plate is rotatably provided with an opening and closing plate. A limiting screw hole is formed in the bottom position of the end surface of the opening and closing plate. The bottom end of the screening grid plate is provided with a sliding wheel at the corresponding position of the sliding groove plate. The stone will fall to the side of the opening and closing plate when the opening and closing plate is pulled up. Then the blocking plate is inserted back into the inner side of the limiting groove plate. At the same time, the screening can continue. At this time, the sand between the blocking plate and the opening and closing plate will be further separated, so as to leave the stone at the top end of the screening grid plate. At this time, the limiting screw is loosened, and the opening and closing plate is rotated to quickly recover all the stones, saving time and improving the screening efficiency.

[0004] However, the size of the screening grid plate of the device cannot be changed, and only one size of stone can be screened, which has a small application range. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a premixed mortar screening device, which aims to solve the technical problem that the size of the screening grid plate of the device cannot be changed in the prior art, and only one size of stone can be screened, which has a small application range.

[0006] The utility model discloses a premixed mortar screening device, including screening lattice, installation frame and bottom plate, the screening lattice has a plurality of screening holes in, both ends of screening lattice all have fixed groove, both ends of installation frame all are provided with pulley and fixed mechanism, the fixed mechanism includes fixed link and fixed block, the fixed link is provided with the limiting ring and first spring, the fixed block has movable cavity in, the bottom plate is provided with two supports, the support has slide rail groove, and is provided with recovery inclined board and connecting rod between two supports, the connecting rod is provided with the rotating disc rotatably, the rotating disc is provided with transmission link rotatably near the edge, transmission link rotatably sets up one side of installation frame, the fixed link with fixed block slidingly connected, and passes through movable cavity, and first spring is located between limiting ring and movable cavity, the fixed link is still inserted in fixed groove, the fixed block sets up one end of installation frame, the screening lattice is slidably installed in installation frame, the pulley is arranged in slide rail groove, and installation frame is located between two supports.

[0007] Wherein, the upper portion of the support is provided with a fixed seat, the fixed seat has a dovetail groove, the two ends of the installation frame are also provided with a dovetail block, and the dovetail block is located in the dovetail groove.

[0008] Wherein, the dovetail groove and the dovetail block do not contact each other, and the dovetail block is located between the fixed block and the pulley.

[0009] Wherein, the premixed mortar screening device further comprises two vibration mechanisms, the vibration mechanism comprises a vibrating member and a support block, the support block is provided with a rotating rod through a bearing, the rotating rod is provided with a cam, the vibrating member is fixedly arranged below the screening lattice through bolts and nuts, the support block is fixedly connected with the corresponding support and located below the support, and the cam is located directly below the vibrating member.

[0010] Wherein, the vibrating member comprises two second springs, a fixed plate and an arc plate, the two second springs are fixedly arranged between the fixed plate and the arc plate, the fixed plate is fixedly arranged below the screening lattice through bolts and nuts, and the cam is located directly below the arc plate.

[0011] The utility model discloses a premixed mortar screening device, including screening lattice, installation frame and bottom plate, the screening lattice has a plurality of screening holes in, both ends of screening lattice have fixed groove, both ends of installation frame are provided with pulley and fixed mechanism, the fixed mechanism includes fixed link and fixed block, be provided with limit ring and first spring on the fixed link, the fixed block has movable cavity in, be provided with two supports on the bottom plate, the support has slide rail groove, and be provided with recovery inclined board and connecting rod between two supports, the connecting rod is provided with the turntable rotation, the transmission rod is rotationally arranged on the turnplate near the edge, through setting up the installation frame to the screening lattice of different size screening hole is placed, then through the fixed mechanism realizes the fastening of screening lattice, and the screening lattice of different size screening hole can be replaced to meet the screening demand in this design, so that the same equipment can handle multiple screening tasks, and the whole equipment does not need to be replaced, and in this way, the size of the screening lattice of the device cannot be replaced, only one size of stone screening is applicable, and the technical problem of small application range is solved. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be briefly introduced the drawing needed to be used in the embodiment or prior art description, and obviously, the following description in the drawing is only some embodiments of the utility model, and for those skilled in the art, under the premise of not paying creative labor, other drawings can also be obtained according to these drawings.

[0013] Figure 1 It is the three-dimensional view of the utility model.

[0014] Figure 2 It is the front view of the utility model.

[0015] Figure 3 It is the Figure 2 sectional view of A-A line in.

[0016] Figure 4 It is the Figure 3 sectional view of B-B line in.

[0017] Figure 5 It is the Figure 4 local enlarged view of C in.

[0018] 1-screening grid, 2-mounting frame, 3-bottom plate, 4-screening hole, 5-fixing groove, 6-pulley, 7-fixing rod, 8-fixing block, 9-limiting ring, 10-first spring, 11-moving cavity, 12-bracket, 13-sliding rail groove, 14-recovery inclined plate, 15-connecting rod, 16-rotating disc, 17-transmission rod, 18-fixing seat, 19-dovetail groove, 20-dovetail block, 21-vibrating piece, 22-supporting block, 23-rotating rod, 24-cam, 25-second spring, 26-fixing plate, 27-arc plate. DETAILED DESCRIPTION

[0019] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0020] Please refer to Figures 1-5 The present application provides a kind of premixed mortar screening device, including screening grid 1, mounting frame 2 and bottom plate 3, the screening grid 1 has multiple screening holes 4 in it, the both ends of the screening grid 1 are provided with fixed groove 5, the both ends of the mounting frame 2 are provided with pulley 6 and fixing mechanism, the fixing mechanism includes fixing rod 7 and fixing block 8, limiting ring 9 and first spring 10 are arranged on the fixing rod 7, the fixing block 8 has moving cavity 11 in it, two brackets 12 are provided on the bottom plate 3, the bracket 12 has sliding rail groove 13, and recovery inclined plate 14 and connecting rod 15 are provided between the two brackets 12, rotating disc 16 is rotatably arranged on the connecting rod 15, transmission rod 17 is rotatably arranged on the rotating disc 16 near the edge, the transmission rod 17 is rotatably arranged on the side of the mounting frame 2, the fixing rod 7 is slidably connected with the fixing block 8, and penetrates the moving cavity 11, and the first spring 10 is abutted between the limiting ring 9 and the moving cavity 11, the fixing rod 7 is also inserted into the fixed groove 5, the fixing block 8 is arranged at one end of the mounting frame 2, the screening grid 1 is slidably installed in the mounting frame 2, the pulley 6 is arranged in the sliding rail groove 13, and the mounting frame 2 is located between the two brackets 12, by being provided with the mounting frame 2, the screening grid 1 with different size screening holes 4 is placed, then the fixing mechanism is used to fasten the screening grid 1, the screening grid 1 with different size screening holes 4 can be replaced to meet the screening requirement, so that the same equipment can process multiple screening tasks without replacing the entire equipment, in this way, the size of the screening grid 1 of the device cannot be replaced, only one size of stone screening is applicable, and the technical problem of small application range is solved.

[0021] The upper portion of the support 12 is provided with a fixing seat 18, the fixing seat 18 is provided with a dovetail groove 19, the two ends of the mounting frame 2 are provided with dovetail blocks 20, the dovetail blocks 20 are located in the dovetail groove 19, the cooperation between the dovetail groove 19 and the dovetail blocks 20 can prevent the mounting frame 2 from deviating or shaking during the screening process, and the screening accuracy and safety are improved.

[0022] Secondly, the dovetail groove 19 and the dovetail block 20 are not in contact with each other, and the dovetail block 20 is located between the fixed block 8 and the pulley 6, through the mutual non-contact between the dovetail groove 19 and the dovetail block 20, the friction and wear are reduced, the service life of the equipment is prolonged, and at the same time, the dovetail block 20 is located between the fixed block 8 and the pulley 6, the stability and stability of the pulley 6 when sliding in the sliding rail groove 13 are ensured.

[0023] Thirdly, the premixed mortar screening device further comprises two vibration mechanisms, the vibration mechanism comprises a vibrating piece 21 and a supporting block 22, the supporting block 22 is provided with a rotating rod 23 through a bearing, the rotating rod 23 is provided with a cam 24, the vibrating piece 21 is fixedly arranged below the screening grid plate 1 through bolts and nuts, the supporting block 22 is fixedly connected with the corresponding support 12 and located below the support 12, and the cam 24 is located directly below the vibrating piece 21, through the cooperation of the cam 24 and the rotating rod 23, vibration power is provided for the screening grid plate 1, this design helps to improve the screening efficiency, makes the mortar particles more easily pass through the screening hole 4, and at the same time, the vibration mechanism can also prevent the blocking and bonding of the mortar particles during the screening process.

[0024] In addition, the vibrating piece 21 comprises two second springs 25, a fixed plate 26 and an arc-shaped plate 27, the two second springs 25 are fixedly arranged between the fixed plate 26 and the arc-shaped plate 27 respectively, the fixed plate 26 is fixedly arranged below the screening grid plate 1 through bolts and nuts, and the cam 24 is located directly below the arc-shaped plate 27, through the arrangement of the second spring 25, the vibrating piece 21 has a certain elasticity, which can better adapt to the vibration demand in the screening process, the fixed plate 26 is fixed to the bottom of the screening grid plate 1 through bolts and nuts, which can facilitate the disassembly of the vibrating piece 21, so that the disassembled vibrating piece 21 is installed at the bottom of the screening grid plate 1 with different sizes of screening holes 4, and the arc-shaped plate 27 is located directly below the cam 24, which ensures that the cam 24 can uniformly and effectively transmit vibration power to the screening grid plate 1 during rotation, thereby improving the screening efficiency and accuracy.

[0025] In use of the utility model, it is necessary to pay attention to that the power source of the rotating rod 23 and the rotating disc 16 is motor, sand is poured into the screening lattice plate 1, the transmission rod 17 is driven to pull back and forth by the rotation of the rotating disc 16, so that the mounting frame 2 is driven to move by the transmission rod 17, at this time, the mounting frame 2 moves back and forth in the slide rail groove 13 by the pulley 6, sand is uniformly shaken and screened in the screening lattice plate 1, and stones in sand are separated quickly and uniformly, the falling sand falls on the recovery inclined plate 14, and the sand can be scraped out of the recovery inclined plate 14 by a scraper, then the two fixing mechanisms are controlled to make the fixing rod 7 move out of the fixing groove 5, the screening partition plate is taken out, stones in it are poured out, and the screening lattice plate 1 with other different large screening holes 4 can be replaced and installed in the mounting frame 2, so that the size of the screening lattice plate 1 of the device cannot be replaced, only one size of stone material screening is applicable, and the technical problem of small application range is solved.

[0026] The above disclosed is only a preferred embodiment of the utility model, and of course cannot limit the right scope of the utility model, and the person skilled in the art can understand that all or part of the processes of the above-mentioned embodiment are implemented, and equivalent changes made according to the utility model claim still belong to the range covered by the utility model.

Claims

1. A premixed mortar screening device, characterized in that, comprising a screening grid, a mounting frame and a bottom plate, the screening grid has a plurality of screening holes therein, both ends of the screening grid have fixing grooves, both ends of the mounting frame are provided with pulleys and fixing mechanisms, the fixing mechanism comprises a fixing rod and a fixing block, the fixing rod is provided with a limiting ring and a first spring, the fixing block has a movable cavity therein, the bottom plate is provided with two supports, the support has a sliding rail groove, a recovery inclined plate and a connecting rod are arranged between the two supports, the connecting rod is rotatably provided with a rotating disc, the rotating disc is rotatably provided with a transmission rod near the edge, the transmission rod is rotatably arranged on one side of the mounting frame, the fixing rod is slidably connected with the fixing block and penetrates through the movable cavity, and the first spring abuts between the limiting ring and the movable cavity, the fixing rod is also inserted into the fixing groove, the fixing block is arranged at one end of the mounting frame, the screening grid is slidably mounted in the mounting frame, the pulley is arranged in the sliding rail groove, and the mounting frame is located between the two supports.

2. The premixed mortar screening device according to claim 1, characterized in that, a fixed seat is arranged above the support, the fixed seat has a dovetail groove therein, and both ends of the mounting frame are further provided with dovetail blocks, the dovetail blocks are located in the dovetail grooves.

3. The premixed mortar screening device according to claim 2, characterized in that, the dovetail groove and the dovetail block are not in contact with each other, and the dovetail block is located between the fixing block and the pulley.

4. The premixed mortar screening device according to claim 3, characterized in that, the premixed mortar screening device further comprises two vibration mechanisms, the vibration mechanism comprises a vibrating piece and a support block, the support block is provided with a rotating rod through a bearing, the rotating rod is provided with a cam, the vibrating piece is fixedly arranged below the screening grid through bolts and nuts, the support block is fixedly connected with the corresponding support and located below the support, and the cam is located directly below the vibrating piece.

5. The premixed mortar screening device according to claim 4, characterized in that, the vibrating piece comprises two second springs, a fixed plate and an arc-shaped plate, the two second springs are fixedly arranged between the fixed plate and the arc-shaped plate, respectively, the fixed plate is fixedly arranged below the screening grid through bolts and nuts, and the cam is located directly below the arc-shaped plate.

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