Concrete mortar raw material screening equipment capable of avoiding blockage

Abstract

The utility model belongs to the technical field of concrete mortar raw material processing, and particularly relates to concrete mortar raw material screening equipment capable of avoiding blockage, which comprises a left support and a right support, and further comprises an anti-blockage assembly and a screening assembly which are arranged on the left support, the crank drives the movable base to move left and right through the connecting rod, then the screening frame is driven to move left and right on the auxiliary rolling wheel, limiting and guiding are conducted through the sliding way and the sliding strip, and concrete mortar raw materials are screened at the moment. The sliding rods are sleeved with springs, at the moment, the sliding rods are pushed to be upwards attached to a screen at the bottom of the screening frame under the acting force of the springs and the movable plate, when the screening frame moves left and right on the auxiliary rolling wheels, screen holes in the screen are driven to move at the top heads of the movable plate, the top heads apply upward thrust to impurities blocking the screen holes, and the screen holes are prevented from being blocked; the screening efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of concrete mortar raw material processing, and in particular relates to concrete mortar raw material screening equipment which can avoid blockage. Background Art

[0002] Concrete is a general term for engineering composite materials that are cemented into a whole by cementitious materials. The term concrete usually refers to cement as a cementitious material, sand and stone as aggregates, and then mixed with water in a certain proportion. It is widely used in civil engineering. Sand is the most important material for preparing concrete. Different concretes require sand of different sizes. In the process of working, a large amount of sand is put into the sand screening equipment at one time. The agglomerated sand often blocks the screen holes of the screen, thereby affecting the screening efficiency. Utility Model Content

[0003] To solve the problems raised in the above background technology. The utility model provides a concrete mortar raw material screening device that avoids blockage, including a left bracket and a right bracket, and also includes an anti-blocking component and a screening component arranged on the left bracket, and the anti-blocking component is placed directly below the screening component, and a power component arranged on the right bracket;

[0004] The anti-blocking component includes four sliding rods arranged on the left bracket for sliding up and down, a limiting plate is fixed at the lower end of the sliding rod, a moving plate is fixed on the top of the four sliding rods, a plurality of pins are fixed on the top of the moving plate, and a spring is sleeved on the sliding rod.

[0005] As a concrete mortar raw material screening device that avoids clogging of the utility model, preferably, the screening assembly includes four auxiliary rollers fixed on the left bracket, and a pair of guide slides, and a slide bar that slides back and forth is arranged inside the slide.

[0006] As a concrete mortar raw material screening device for avoiding blockage of the utility model, preferably, a screening frame is arranged between the two slide bars, a screen is installed at the bottom of the screening frame, and a movable seat is fixed at the rear end of the screening frame.

[0007] As a concrete mortar raw material screening device for avoiding blockage of the utility model, preferably, the sieve holes of the sieve are matched with the top, and the sieve slides left and right on the top on the movable plate.

[0008] As a concrete mortar raw material screening device that avoids clogging of the utility model, preferably, the auxiliary roller is in contact with the bottom of the screening frame, and the screening frame moves left and right on the auxiliary roller.

[0009] As a concrete mortar raw material screening device that avoids blockage in the utility model, preferably, the power assembly includes a motor fixed on the right bracket, and a pair of bearing seats fixed on the right bracket, and a rotating shaft is movably arranged on the two bearing seats.

[0010] As a concrete mortar raw material screening device that avoids blockage in the utility model, preferably, a driven wheel is fixed at the center of the rotating shaft, a crank is fixed at the left end of the rotating shaft, and the crank is movably arranged on a movable seat through a connecting rod.

[0011] As a concrete mortar raw material screening device that avoids blockage in the utility model, preferably, a driving wheel is fixed on the rotor of the motor, and the driving wheel is connected to the driven wheel by a belt.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The motor drives the active wheel to rotate, and the active wheel drives the driven wheel to rotate through the belt. At this time, the driven wheel drives the crank to rotate through the rotating shaft, and the crank drives the movable seat to move left and right through the connecting rod, thereby driving the screening frame to move left and right on the auxiliary roller, and limiting and guiding through the slideway and the slide bar. At this time, the concrete mortar raw materials are screened. Due to the four sliding bars sliding up and down on the left bracket, and the springs are sleeved on the sliding bars, the sliding bars are pushed upward to fit the screen at the bottom of the screening frame under the action of the springs and the moving plate. When the screening frame moves left and right on the auxiliary roller, the screen holes on the screen are driven to move on the top of the moving plate, and the impurities blocking the screen holes are pushed upward by the top, so as to prevent the screen holes from being blocked and improve the screening efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a partial structural schematic diagram of the utility model;

[0017] Figure 3 for Figure 2 The enlarged structural diagram at A in the middle;

[0018] Figure 4 This is a schematic diagram of the screening frame structure of the utility model;

[0019] Figure 5 It is a schematic diagram of the structure of the utility model;

[0020] In the figure:

[0021] 1. Left bracket;

[0022] 2. Right bracket;

[0023] 3. Anti-blocking assembly; 31. Sliding rod; 32. Limiting plate; 33. Moving plate; 34. Head; 35. Spring;

[0024] 4. Screening assembly; 41. Auxiliary roller; 42. Slideway; 43. Slide bar; 44. Screening frame; 45. Screen; 46. Movable seat;

[0025] 5. Power assembly; 51. Motor; 52. Bearing seat; 53. Rotating shaft; 54. Driven wheel; 55. Crank; 56. Connecting rod; 57. Driving wheel; 58. Belt. DETAILED DESCRIPTION

[0026] 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.

[0027] Example 1

[0028] like Figure 1 As shown;

[0029] A concrete mortar raw material screening device for avoiding blockage comprises a left bracket 1 and a right bracket 2.

[0030] In this embodiment: In order to solve the technical problems existing in the prior art, as disclosed in the background technology above, "during the operation of the current sand screening device, a large amount of sand is put into the sand screening equipment at one time, and the agglomerated sand often blocks the screen holes of the screen, thereby affecting the screening efficiency", combined with actual use, this problem is obviously a real and difficult problem to solve. Therefore, in order to solve this technical problem, an anti-blocking component 3 is added on this basis.

[0031] like Figure 1-5 As shown in the figure;

[0032] In combination with the above content, in order to prevent the screen hole from being blocked, it also includes an anti-blocking component 3 and a screening component 4 arranged on the left bracket 1, and the anti-blocking component 3 is placed directly below the screening component 4, and a power component 5 is arranged on the right bracket 2;

[0033] The anti-blocking component 3 includes four slide bars 31 arranged on the left bracket 1 for sliding up and down, a limit plate 32 is fixed at the lower end of the slide bar 31, a moving plate 33 is fixed on the top of the four slide bars 31, a plurality of pins 34 are fixed on the top of the moving plate 33, and a spring 35 is sleeved on the slide bar 31.

[0034] In this embodiment, four slide bars 31 are provided on the left bracket 1 for sliding up and down, and springs 35 are sleeved on the slide bars 31 . At this time, the slide bars 31 are pushed upward by the action of the springs 35 and the moving plate 33 .

[0035] In an optional embodiment, the screening assembly 4 includes four auxiliary rollers 41 fixed on the left bracket 1, and a pair of guide slides 42, wherein a slide bar 43 for sliding forward and backward is arranged inside the slide bar 42, and a screening frame 44 is arranged between the two slide bars 43, a screen 45 is installed at the bottom of the screening frame 44, a movable seat 46 is fixed at the rear end of the screening frame 44, the screen holes of the screen 45 match the top head 34, the screen 45 slides left and right on the top head 34 on the movable plate 33, the auxiliary roller 41 is fitted with the bottom of the screening frame 44, and the screening frame 44 moves left and right on the auxiliary roller 41.

[0036] In this embodiment, the screening frame 44 moves left and right on the auxiliary roller 41 and is guided by the slideway 42 and the slide bar 43 for limiting position.

[0037] In an optional embodiment, the power assembly 5 includes a motor 51 fixed on the right bracket 2, and a pair of bearing seats 52 fixed on the right bracket 2, a rotating shaft 53 is movably provided on the two bearing seats 52, a driven wheel 54 is fixed at the center of the rotating shaft 53, a crank 55 is fixed to the left end of the rotating shaft 53, and the crank 55 is movably provided on the movable seat 46 through a connecting rod 56, a driving wheel 57 is fixed on the rotor of the motor 51, and the driving wheel 57 and the driven wheel 54 are connected by a belt 58.

[0038] In this embodiment: the motor 51 drives the driving wheel 57 to rotate, and the driving wheel 57 drives the driven wheel 54 to rotate through the belt 58. At this time, the driven wheel 54 drives the crank 55 to rotate through the rotating shaft 53, and the crank 55 drives the movable seat 46 to move left and right through the connecting rod 56, thereby driving the screening frame 44 to slide left and right.

[0039] Working principle of this utility model:

[0040] The motor 51 drives the driving wheel 57 to rotate, and the driving wheel 57 drives the driven wheel 54 to rotate through the belt 58. At this time, the driven wheel 54 drives the crank 55 to rotate through the rotating shaft 53, and the crank 55 drives the movable seat 46 to move left and right through the connecting rod 56, thereby driving the screening frame 44 to move left and right on the auxiliary roller 41, and is limited and guided by the slideway 42 and the slide bar 43. At this time, the concrete mortar raw materials are screened. Since the four sliding bars 31 slide up and down on the left bracket 1, and the spring 35 is sleeved on the sliding bar 31, the sliding bar 31 is pushed upward to fit the screen 45 at the bottom of the screening frame 44 under the action of the spring 35 and the moving plate 33. When the screening frame 44 moves left and right on the auxiliary roller 41, the sieve holes on the screen 45 are driven to move on the top 34 on the moving plate 33. The top 34 exerts an upward thrust on the impurities blocking the sieve holes to prevent the sieve holes from being blocked, thereby improving the screening efficiency.

[0041] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described 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 present invention shall be included in the protection scope of the present invention.

Claims

1. A concrete mortar raw material screening device for avoiding blockage, comprising a left bracket (1) and a right bracket (2), characterized in that: It also includes an anti-blocking component (3) and a screening component (4) arranged on the left bracket (1), wherein the anti-blocking component (3) is placed directly below the screening component (4), and a power component (5) arranged on the right bracket (2); The anti-blocking assembly (3) comprises four sliding rods (31) arranged on the left bracket (1) for sliding up and down, a limiting plate (32) is fixed at the lower end of the sliding rod (31), a moving plate (33) is fixed at the top of the four sliding rods (31), a plurality of pins (34) are fixed at the top of the moving plate (33), and a spring (35) is sleeved on the sliding rod (31).

2. The concrete mortar raw material screening device for avoiding blockage according to claim 1, characterized in that: The screening assembly (4) comprises four auxiliary rollers (41) fixed on the left bracket (1), and a pair of guide slideways (42), wherein a slide bar (43) is arranged inside the slideway (42) for sliding forward and backward.

3. The concrete mortar raw material screening device for avoiding blockage according to claim 2 is characterized in that: A screening frame (44) is arranged between the two slide bars (43), a screen (45) is installed at the bottom of the screening frame (44), and a movable seat (46) is fixed at the rear end of the screening frame (44).

4. The concrete mortar raw material screening device for avoiding blockage according to claim 3 is characterized in that: The mesh of the screen (45) matches the top head (34), and the screen (45) slides left and right on the top head (34) on the moving plate (33).

5. The concrete mortar raw material screening device for avoiding blockage according to claim 2, characterized in that: The auxiliary roller (41) is in contact with the bottom of the screening frame (44), and the screening frame (44) moves left and right on the auxiliary roller (41).

6. The concrete mortar raw material screening device for avoiding blockage according to claim 1, characterized in that: The power assembly (5) comprises a motor (51) fixed on the right bracket (2), and a pair of bearing seats (52) fixed on the right bracket (2), and a rotating shaft (53) is movably arranged on the two bearing seats (52).

7. The concrete mortar raw material screening device for avoiding blockage according to claim 6, characterized in that: A driven wheel (54) is fixed at the center of the rotating shaft (53), a crank (55) is fixed at the left end of the rotating shaft (53), and the crank (5) is movably arranged on the movable seat (46) through a connecting rod 5 (6).

8. The concrete mortar raw material screening device for avoiding blockage according to claim 6, characterized in that: A driving wheel (57) is fixed on the rotor of the motor (51), and the driving wheel (57) is connected to the driven wheel (54) via a belt (58).

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