Vibrating screen machine for cement mortar production

Abstract

The utility model belongs to the technical field of cement mortar production, and particularly relates to a vibrating screening machine for cement mortar production, which comprises a screening machine, a feeding hopper is arranged on the screening machine, a door body is hinged on the screening machine, support legs are mounted at the bottom end of the screening machine, two limiting seats are mounted on each of two side walls of an inner cavity of the screening machine, and the door body is hinged on the door body. Sliding blocks are jointly connected among the four limiting seats in a sliding mode, disassembly and assembly mechanisms are arranged on the two sliding blocks, a screening mechanism is arranged on the screening machine, and a guide plate is installed on the bottom wall of an inner cavity of the screening machine. The screening mechanism comprises a supporting plate installed at the rear end of the screening machine. Through the arrangement of the screening mechanism, cement mortar can be screened, small particles fall off through the screens and are discharged through the guide plate, large particles fall on the screens, and the diameter of meshes of the lower screen is smaller than that of meshes of the upper screen, so that the cement mortar can be screened in two layers; and the screening effect and the screening efficiency are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cement mortar production, in particular to a vibrating sieve machine for cement mortar production. Background Technique

[0002] As is well known, fine aggregate in existing cement mortar generally selects fine sand. In order to obtain fine sand with a particle size meeting the requirements, it is generally necessary to screen the sand and gravel raw materials. In the prior art, some use natural screening for screening. This screening method has low efficiency, single-layer screening is not thorough enough, and the screen is prone to breakage after long-term use, affecting its service life. Content of the Utility Model

[0003] (1) Technical Problems to be Solved

[0004] In view of the deficiencies of the prior art, the utility model provides a vibrating sieve machine for cement mortar production, which solves the problems raised in the above background technique.

[0005] (2) Technical Solutions

[0006] The utility model specifically adopts the following technical solutions to achieve the above purposes:

[0007] A vibrating sieve machine for cement mortar production includes a screening machine. An inlet hopper is arranged on the screening machine. A door body is hinged to the screening machine. Supporting legs are installed at the bottom end of the screening machine. Two limiting seats are installed on both inner side walls of the inner cavity of the screening machine. A sliding block is slidably connected among the four limiting seats. Disassembly and assembly mechanisms are arranged on both sliding blocks. A screening mechanism is arranged on the screening machine. A guide plate is installed on the bottom wall of the inner cavity of the screening machine.

[0008] The screening mechanism includes a support plate installed at the rear end of the screening machine. A double-shaft motor is installed in the middle of the upper end of the support plate. Rotating shafts are installed at both output ends of the double-shaft motor. The rotating shafts are rotatably connected to the support plate. Driving sprockets are installed at the opposite ends of the two rotating shafts. Two rotating rods are rotatably connected to both inner side walls of the inner cavity of the screening machine. Convex plates are installed at the opposite ends of the four rotating rods. Driven sprockets are installed at the opposite ends of the four rotating rods. Chains are commonly engaged between the two driven sprockets and the driving sprockets on the same side. Four springs are commonly connected between the two sliding blocks.

[0009] Further, the limiting seat is in the shape of a king character.

[0010] Further, the sliding block is in a U-shaped structure.

[0011] Furthermore, the disassembly and assembly mechanism includes guide grooves opened on both side walls of the inner cavity of the sliding block, guide plates are slidably connected in the two guide grooves, a screen is commonly connected between the two guide plates, mounting seats are installed on both sides of the upper end of the sliding block, sliding seats are slidably connected in the two mounting seats, screw rods are rotatably connected in the two mounting seats, the screw rods are threadedly connected to the sliding seats, abutment plates are installed at the front ends of the two sliding seats, driven bevel gears are installed at one end of the two screw rods, vertical rods are rotatably connected to the two mounting seats, knobs are installed at the upper ends of the two vertical rods, and active bevel gears are installed at the bottom ends of the two vertical rods.

[0012] Furthermore, the driving bevel gear and the driven bevel gear are meshed with each other.

[0013] Furthermore, the abutment plate is fitted with the sliding block.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a vibrating screen machine for cement mortar production, which has the following beneficial effects:

[0016] The utility model can screen cement mortar through the setting of the screening mechanism. Small particles fall through the screen and are discharged through the guide plate, while large particles are left on the screen. The mesh diameter of the lower screen is set to be smaller than the mesh diameter of the upper screen, so that the cement mortar can be screened in two layers, thereby improving the screening effect and screening efficiency, and facilitating subsequent processing and use; through the setting of the disassembly and assembly mechanism, the screen can be easily disassembled, so that large-particle cement mortar left on the screen can be taken out, and the screen can also be easily disassembled, cleaned or replaced, thereby avoiding the phenomenon that the screen is damaged and affects the subsequent screening effect, thereby improving the use effect and facilitating disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the screening mechanism of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the sliding block and the screen of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the disassembly and assembly mechanism of the utility model.

[0021] In the figure: 1. screening machine; 2. door body; 3. feed hopper; 4. limit seat; 5. sliding block; 6. disassembly and assembly mechanism; 60. active bevel gear; 601. knob; 61. guide groove; 62. guide plate; 63. screen; 64. mounting seat; 65. slide seat; 66. screw rod; 67. driven bevel gear; 68. abutment plate; 69. vertical rod; 7. screening mechanism; 71. support plate; 72. double-axis motor; 73. rotating shaft; 74. active sprocket; 75. rotating rod; 76. convex plate; 77. driven sprocket; 78. spring; 79. chain; 8. support leg; 9. guide plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example

[0024] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, a vibrating screen machine for cement mortar production proposed in one embodiment of the utility model comprises a screening machine 1, a feed hopper 3 is arranged on the screening machine 1, a door body 2 is hinged on the screening machine 1, a supporting leg 8 is installed at the bottom end of the screening machine 1, two limit seats 4 are installed on both side walls of the inner cavity of the screening machine 1, a sliding block 5 is slidably connected between the four limit seats 4, and a disassembly mechanism 6 is arranged on the two sliding blocks 5, a screening mechanism 7 is arranged on the screening machine 1, and a guide plate 9 is installed on the bottom wall of the inner cavity of the screening machine 1; by setting the screening mechanism 7, the cement mortar can be screened, and smaller particles can pass through the screen 6. 3 is dropped and discharged through the guide plate 9. Large particles are left on the screen 63. The mesh diameter of the lower screen 63 is set to be smaller than the mesh diameter of the upper screen 63, so that the cement mortar can be screened in two layers, thereby improving the screening effect and screening efficiency, and facilitating subsequent processing and use; through the setting of the disassembly and assembly mechanism 6, it is convenient to disassemble the screen 63, so that the large particles of cement mortar left on the screen 63 can be taken out, and it is also convenient to disassemble, clean or replace the screen 63, avoiding the phenomenon that the damage of the screen 63 affects the subsequent screening effect, improving the use effect, and convenient disassembly;

[0025] The screening mechanism 7 includes a support plate 71 installed at the rear end of the screening machine 1. In the middle of the upper end of the support plate 71, a double-shaft motor 72 is installed. Output ends of the double-shaft motor 72 are both installed with rotating shafts 73. The rotating shafts 73 are rotatably connected to the support plate 71. Driving sprockets 74 are installed at opposite ends of the two rotating shafts 73. Both side walls of the inner cavity of the screening machine 1 are rotatably connected with two rotating rods 75. Convex plates 76 are installed at opposite ends of the four rotating rods 75. Driven sprockets 77 are installed at opposite ends of the four rotating rods 75. Chains 79 are commonly engaged between the two driven sprockets 77 and the driving sprockets 74 on the same side. Four springs 78 are commonly connected between the two sliding blocks 5. By driving the rotating shafts 73 to rotate through the double-shaft motor 72, driving the driving sprockets 74 to rotate, driving the chains 79 to drive, driving the two driven sprockets 77 to rotate, driving the rotating rods 75 to rotate, driving the four convex plates 76 to rotate, the two sliding blocks 5 can be simultaneously toggled, and the four springs 78 can be compressed. When the cam 76 rotates to no longer contact the sliding block 5, at this time, with the reset of the spring 78, and so on repeatedly, the vibrating screening work of the cement mortar is realized, and two-layer screening work can be carried out, improving the screening effect.

[0026] As Figure 2 shown, in some embodiments, the limiting seat 4 is in a king character shape; the limiting effect is good.

[0027] As Figure 2 shown, in some embodiments, the sliding block 5 is in a U-shaped structure; the structure is simple.

[0028] As Figure 3 、 Figure 4 shown, in some embodiments, the disassembly and assembly mechanism 6 includes guide grooves 61 opened on both side walls of the inner cavity of the sliding block 5. Guide plates 62 are slidably connected in the two guide grooves 61. A screen 63 is commonly connected between the two guide plates 62. Mounting seats 64 are installed on both sides of the upper end of the sliding block 5. Sliding seats 65 are slidably connected in the two mounting seats 64. Lead screws 66 are rotatably connected in the two mounting seats 64. The lead screws 66 are threadedly connected to the sliding seats 65. Pressure plates 68 are installed at the front ends of the two sliding seats 65. Driven bevel gears 67 are installed at one ends of the two lead screws 66. Vertical rods 69 are rotatably connected to the two mounting seats 64. Knobs 601 are installed at the upper ends of the two vertical rods 69. Driving bevel gears 60 are installed at the bottom ends of the two vertical rods 69. During disassembly, by rotating the knob 601, driving the vertical rod 69 to rotate, driving the driving bevel gear 60 to rotate, driving the driven bevel gear 67 to rotate, driving the lead screw 66 to rotate, driving the pressure plate 68 to move. When the pressure plate 68 no longer contacts the guide plate 62 sliding in the guide groove 61, the guide plate 62 is no longer limited, and at this time, the guide plate 62 can be slid out of the guide groove 61, and then the disassembly work of the screen 63 can be completed.

[0029] As Figure 4As shown, in some embodiments, the active bevel gear 60 and the driven bevel gear 67 are meshed with each other, so as to facilitate disassembly and assembly.

[0030] like Figure 1 As shown, in some embodiments, the abutment plate 68 is in contact with the sliding block 5 , so as to facilitate the installation of the screen 63 .

[0031] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. 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 vibrating screen machine for cement mortar production, comprising a screening machine (1), characterized in that: The screening machine (1) is provided with a feed hopper (3), a door body (2) is hinged on the screening machine (1), support legs (8) are installed at the bottom end of the screening machine (1), two limit seats (4) are installed on both inner side walls of the inner cavity of the screening machine (1), a sliding block (5) is slidably connected among the four limit seats (4), disassembly and assembly mechanisms (6) are arranged on both of the two sliding blocks (5), a screening mechanism (7) is arranged on the screening machine (1), and a guide plate (9) is installed on the bottom wall of the inner cavity of the screening machine (1); The screening mechanism (7) includes a support plate (71) installed at the rear end of the screening machine (1), a double-shaft motor (72) is installed in the middle of the upper end of the support plate (71), rotating shafts (73) are installed at both output ends of the double-shaft motor (72), the rotating shafts (73) are rotatably connected with the support plate (71), driving sprockets (74) are installed at the opposite ends of the two rotating shafts (73), two rotating rods (75) are rotatably connected to both inner side walls of the inner cavity of the screening machine (1), convex plates (76) are installed at the opposite ends of the four rotating rods (75), driven sprockets (77) are installed at the opposite ends of the four rotating rods (75), chains (79) are commonly engaged between the two driven sprockets (77) and the driving sprockets (74) on the same side, and four springs (78) are commonly connected between the two sliding blocks (5).

2. A vibrating screen machine for cement mortar production according to claim 1, characterized in that: The limit seat (4) is in the shape of a Chinese character 'Wang'.

3. A vibrating screen machine for cement mortar production according to claim 1, characterized in that: The sliding block (5) is in a U-shaped structure.

4. A vibrating screen machine for cement mortar production according to claim 1, characterized in that: The disassembly and assembly mechanism (6) includes guide grooves (61) formed on both inner side walls of the inner cavity of the sliding block (5), guide plates (62) are slidably connected in the two guide grooves (61), a screen mesh (63) is commonly connected between the two guide plates (62), mounting seats (64) are installed on both sides of the upper end of the sliding block (5), sliding seats (65) are slidably connected in the two mounting seats (64), lead screws (66) are rotatably connected in the two mounting seats (64), the lead screws (66) are in threaded connection with the sliding seats (65), abutting plates (68) are installed at the front ends of the two sliding seats (65), driven bevel gears (67) are installed at one ends of the two lead screws (66), vertical rods (69) are rotatably connected to the two mounting seats (64), knobs (601) are installed at the upper ends of the two vertical rods (69), and driving bevel gears (60) are installed at the bottom ends of the two vertical rods (69).

5. A vibrating screen machine for cement mortar production according to claim 4, characterized in that: The driving bevel gear (60) meshes with the driven bevel gear (67).

6. A vibrating screen machine for cement mortar production according to claim 4, characterized in that: The abutting plate (68) is in fit with the sliding block (5).

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