Sand screening equipment for building construction

Abstract

The utility model relates to the technical field of sand screening equipment, in particular to building construction sand screening equipment which comprises a frame, a screen and a supporting frame, clamping grooves arranged at equal intervals are formed in the left side face of the frame, the inner wall of each clamping groove is slidably connected with a clamping block, and the outer surface of each clamping block is fixedly connected with the outer surface of the screen. The upper surface and the bottom surface of the frame are fixedly connected with two shells, the inner wall of each shell is slidably connected with a sliding block, the inner wall of each sliding block is fixedly connected with a connecting pin, the corresponding connecting pin is pulled to drive the corresponding spring to be compressed, and the screen is moved to drive the clamping block to be connected with the corresponding clamping groove. When the screen is damaged, the corresponding connecting pins are loosened, the reset effect of the connecting pins is achieved through reset of the springs, the limiting effect on the clamping blocks is achieved through the connecting pins, then the effect that the screen is conveniently and rapidly installed on the inner wall of the frame is achieved, the screen is conveniently and rapidly replaced when the screen is damaged, and the cost is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of sand screening equipment, and in particular to a sand screening equipment for construction. Background Art

[0002] Sand is generally divided into two categories: natural sand and artificial sand. Rock particles with a particle size of less than 5 mm formed by natural conditions are called natural sand, and artificial sand is made by crushing rocks. Due to the high cost, the large number of flaky and powdery materials, the different coarseness and fineness of sand, and the different application places, screening equipment is usually used to separate the sand into coarse sand and fine sand, and then according to the actual use, the sand of different coarseness and fineness is placed in the designated place.

[0003] Through searching, Chinese patent announcement number CN220759939U discloses a construction sand screening equipment, including a sand screening equipment main body, the sand screening equipment main body includes a mounting frame, the upper end of the mounting frame is rotatably connected with a screen, two conveyor belts are arranged on the inner side of the mounting frame, a first gear and a second gear for controlling the movement of the two conveyor belts are arranged on one side of the mounting frame, a group of slide grooves are symmetrically opened on the upper end of the mounting frame, and sliding blocks are rotatably connected on both sides of the screen. This construction sand screening equipment is connected to the screen by rotation on the sand screening equipment main body, and the sliding blocks on both sides of the screen are slidably connected with the slide grooves. Through the cooperation of the rotating mechanism and the first gear, the sliding blocks slide back and forth in the slide grooves, driving the screen to rotate and changing the inclination angle of the screen. When the inclination angle is small, sand is added to the screen for screening, so that the fine sand accumulated on the screen can pass through the screen as the inclination angle of the screen increases, and at the same time, coarser sand can be prevented from accumulating on the screen.

[0004] With respect to the above-mentioned related technologies, the inventors found the following defects: in the above-mentioned scheme and the prior art, the screen will inevitably be damaged after long-term use. The above-mentioned scheme and the prior art cannot replace the screen individually, and the frame and the screen need to be replaced in groups, which is costly. Utility Model Content

[0005] In order to facilitate the replacement of the screen and reduce costs, the present application provides a construction sand screening device.

[0006] The present application provides a construction sand screening equipment, which adopts the following technical scheme: it includes a frame, a screen and a support frame, the left side surface of the frame is provided with equally spaced card slots, the inner wall of each card slot is slidably connected with a card block, the outer surface of each card block is fixedly connected to the outer surface of the screen, the upper surface and bottom surface of the frame are fixedly connected to two shells, the inner wall of each shell is slidably connected with a sliding block, the inner wall of each sliding block is fixedly connected with a connecting pin, the outer surface of each connecting pin is slidably connected to the corresponding frame, shell and inner wall of the card block, the upper surface of each sliding block is fixedly connected with a spring, and the other end of each spring is fixedly connected to the inner top wall of the corresponding shell.

[0007] Optionally, the front and back sides of the frame are fixedly connected with connecting blocks 1, the outer surface of each connecting block 1 is rotatably connected with a support rod, and the bottom surface of each support rod is fixedly connected to the upper surface of the support frame.

[0008] Optionally, a transmission belt is provided on the inner wall of the support frame, and two mounting blocks are fixedly connected to the upper surface of the support frame.

[0009] Optionally, the outer surface of each mounting block is rotatably connected to a connecting member 1, the outer surface of each connecting member 1 is fixedly connected to a connecting rod, and the outer surface of each connecting rod is fixedly connected to a limiting member.

[0010] Optionally, the inner wall of each of the limiting members is rotatably connected to a worm, the outer surface of each of the worms is meshed with a worm wheel, and the inner wall of each of the worm wheels is fixedly connected to a threaded cylinder.

[0011] Optionally, the outer surface of each threaded barrel is rotatably connected to the inner wall of the corresponding connecting rod, and the inner wall of each threaded barrel is threadedly connected to a threaded rod.

[0012] Optionally, the top end of each threaded rod is fixedly connected to a connecting piece 2, the inner wall of each connecting piece 2 is rotatably connected to a connecting block 2, and the sides of each connecting block 2 that are close to each other are rotatably connected to the outer surface of the frame.

[0013] In summary, this application includes the following beneficial technical effects:

[0014] 1. The utility model sets components such as a card block, a sliding block, a connecting pin, and a spring. By pulling the corresponding connecting pin, the corresponding spring is compressed, and the screen is moved to drive the card block to connect with the corresponding card slot. Then the corresponding connecting pin is released, and the resetting effect of the connecting pin is achieved through the resetting of the spring. The limiting effect of the card block is achieved through the connecting pin, thereby achieving the effect of facilitating the rapid installation of the screen on the inner wall of the frame, facilitating the rapid replacement of the screen when it is damaged, and reducing costs.

[0015] 2. The utility model sets components such as a worm, a worm wheel, a threaded barrel, and a threaded rod, and realizes the rotation effect of the worm wheel by rotating the worm and the worm wheel at the same time to engage with each other. The worm wheel drives the threaded barrel to rotate, and the threaded connection between the threaded barrel and the threaded rod realizes the lifting effect of the second connecting member. The frame angle is adjusted by the rotation between the second connecting member and the second connecting block, by the rotation between the mounting block and the first connecting member, and by the rotation between the support rod and the first connecting block, thereby adjusting the angle of the screen. It is convenient to adjust the inclination of the screen according to the moisture content of the sand, thereby improving the screening efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall three-dimensional structure in the embodiment of the present application;

[0017] Figure 2 It is a schematic diagram of the main structure of the embodiment of the present application;

[0018] Figure 3 is a structural schematic diagram of the connection relationship between the worm and the worm wheel in the embodiment of the present application;

[0019] Figure 4 It is a structural schematic diagram of the connection relationship between the sliding block and the spring in the embodiment of the present application.

[0020] Figure numerals: 1. frame; 2. screen; 3. slot; 4. block; 5. housing; 6. sliding block; 7. connecting pin; 8. spring; 9. connecting block one; 10. support rod; 11. support frame; 12. mounting block; 13. connecting piece one; 14. connecting rod; 15. limit piece; 16. worm; 17. worm wheel; 18. threaded barrel; 19. threaded rod; 20. connecting piece two; 21. connecting block two; 22. transmission belt. DETAILED DESCRIPTION

[0021] The following is combined with Figure 1-4 This application is described in further detail.

[0022] The present application embodiment discloses a construction sand screening device. Figure 1 , Figure 2 , Figure 3 , Figure 4As shown, it includes a frame 1, a screen 2 and a support frame 11. The left side of the frame 1 is provided with equidistantly arranged card slots 3, the inner wall of each card slot 3 is slidably connected with a card block 4, the outer surface of each card block 4 is fixedly connected to the outer surface of the screen 2, the card slot 3 is opened on the left side of the frame 1 to achieve the positioning effect of the card slot 3, and the card block 4 is placed inside it, and it is set to slide between them, and the limiting effect of the card block 4 is achieved by the contour of the card slot 3, the card block 4 is connected to the screen 2, and the movement effect of the card block 4 can be achieved by moving the screen 2.

[0023] See also Figure 3 A transmission belt 22 is provided on the inner wall of the support frame 11, and two mounting blocks 12 are fixedly connected to the upper surface of the support frame 11. The transmission belt 22 is placed on the inner wall of the support frame 11. The transmission belt 22 is used to transfer the screened fine sand to prevent accumulation. The mounting block 12 is installed on the upper surface of the support frame 11 to achieve a supporting effect on the mounting block 12.

[0024] See also Figure 3 The outer surface of each mounting block 12 is rotatably connected with a connecting piece 13, the outer surface of each connecting piece 13 is fixedly connected with a connecting rod 14, the outer surface of each connecting rod 14 is fixedly connected with a limiting piece 15, the connecting piece 13 is installed on the surface of the mounting block 12, and a rotatable connection is set between them to facilitate the rotation of the connecting piece 13, the connecting rod 14 is placed on the surface of the connecting piece 13, and they are fixed, the rotation of the connecting rod 14 is realized by the rotation of the connecting piece 13, and the limiting piece 15 is placed on the surface of the connecting rod 14 to achieve the positioning and installation effect of the limiting piece 15.

[0025] See also Figure 3 The inner wall of each limiting member 15 is rotatably connected to a worm 16, the outer surface of each worm 16 is meshed with a worm wheel 17, the inner wall of each worm wheel 17 is fixedly connected to a threaded barrel 18, the worm 16 is placed on the inner wall of the limiting member 15, and a rotatable connection is set between them to achieve a limiting effect on the worm 16, the worm wheel 17 is placed on the side of the worm 16, and they are meshed, and the rotation effect of the worm wheel 17 can be achieved by rotating the corresponding worm 16, and the threaded barrel 18 is installed on the inner wall of the worm wheel 17, and the rotation effect of the threaded barrel 18 can be achieved by rotating the worm wheel 17.

[0026] See also Figure 3The front and back sides of the frame 1 are fixedly connected with connecting blocks 9, and the outer surface of each connecting block 9 is rotatably connected with a support rod 10. The bottom surface of each support rod 10 is fixedly connected to the upper surface of the support frame 11. The connecting blocks 9 are placed on the front and back sides of the frame 1 to achieve the positioning effect of the connecting blocks 9. The support rods 10 are placed on the surfaces of the connecting blocks 9, and are set to be rotatably connected therebetween. The support rods 10 are connected to the support frames 11, and the support effect of the support rods 10 is achieved through the support frames 11. The support rods 10 and the connecting blocks 9 ensure that the frame 1 can only rotate with the connecting block 9 as the center.

[0027] See also Figure 3 The outer surface of each threaded barrel 18 is rotatably connected to the inner wall of the corresponding connecting rod 14, and the inner wall of each threaded barrel 18 is threadedly connected with a threaded rod 19. The inner wall of the connecting rod 14 is rotatably connected to the surface of the corresponding threaded barrel 18 to achieve a limiting effect on the threaded barrel 18. The threaded rod 19 is placed on the inner wall of the threaded barrel 18, and a threaded connection is set therebetween. By rotating the threaded barrel 18, the threaded rod 19 can be extended and retracted inside the threaded barrel 18.

[0028] See also Figure 3 The top of each threaded rod 19 is fixedly connected with a connecting piece 20, and the inner wall of each connecting piece 20 is rotatably connected with a connecting block 21. The side of each connecting block 21 close to each other is rotatably connected to the outer surface of the frame 1, and the connecting piece 20 is connected to the top of the threaded rod 19, and the connecting piece 20 is installed to connect the threaded rod 19, and the connecting block 21 is placed on the inner wall of the connecting piece 20, and the connecting block 21 is connected to the frame 1, so as to achieve the limiting effect of the threaded rod 19 and ensure that the threaded rod 19 does not rotate. Through the rotation between the connecting piece 20 and the connecting block 21, when the threaded rod 19 is extended and retracted inside the threaded tube 18, the effect of adjusting the angle above the frame 1 can be achieved, thereby achieving the effect of adjusting the angle of the screen 2.

[0029] See also Figure 4Two shells 5 are fixedly connected to the upper surface and bottom surface of the frame 1, and a sliding block 6 is slidably connected to the inner wall of each shell 5. A connecting pin 7 is fixedly connected to the inner wall of each sliding block 6. The outer surface of each connecting pin 7 is slidably connected to the inner wall of the corresponding frame 1, shell 5 and card block 4. The shell 5 is installed on the upper surface and bottom surface of the frame 1 to achieve the positioning effect of the shell 5, the sliding block 6 is placed inside the shell 5, and a sliding connection is set between them. The limiting effect of the sliding block 6 is achieved through the inner wall of the shell 5, the connecting pin 7 is placed on the inner wall of the sliding block 6, and the positioning and installation effect of the connecting pin 7 is achieved, and the connecting pin 7 and the frame 1 and the shell 5 are set to slide to achieve the limiting effect of the connecting pin 7. Through the connection between the connecting pin 7 and the card block 4, the effect of limiting the card block 4 in the card slot 3 is achieved.

[0030] See also Figure 4 A spring 8 is fixedly connected to the upper surface of each sliding block 6, and the other end of each spring 8 is fixedly connected to the inner top wall of the corresponding shell 5. The spring 8 is placed on the surface of the corresponding sliding block 6, and the other end of the spring 8 is connected to the inner top wall of the corresponding shell 5 to achieve a limiting effect on both ends of the spring 8. The spring 8 can tighten the sliding block 6 and achieve a reset effect of the sliding block 6.

[0031] The implementation principle of a construction sand screening device according to an embodiment of the present application is as follows: by pulling the corresponding connecting pin 7 to compress the corresponding spring 8, the mobile screen 2 drives the block 4 to connect with the corresponding slot 3, and then the corresponding connecting pin 7 is released, and the resetting effect of the connecting pin 7 is achieved by resetting the spring 8, and the limiting effect of the block 4 is achieved by the connecting pin 7, so as to achieve the effect of facilitating and quickly installing the screen 2 on the inner wall of the frame 1, and the rotation effect of the worm 16 and the worm gear 17 are achieved by simultaneously rotating the worm 16 and the worm gear 17 to engage, and the threaded cylinder 18 is driven to rotate by the worm gear 17, and the threaded connection between the threaded cylinder 18 and the threaded rod 19 is achieved to achieve the effect of lifting and lowering the connecting member 2 20, and the effect of adjusting the angle of the frame 1 is achieved by the rotation between the connecting member 20 and the connecting block 2 21, by the rotation between the mounting block 12 and the connecting member 1 13, and by the rotation between the support rod 10 and the connecting block 1 9, so as to adjust the angle of the screen 2.

[0032] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A construction sand screening device, comprising a frame (1), a screen (2) and a support frame (11), characterized in that: The left side of the frame (1) is provided with slots (3) arranged at equal distances, the inner wall of each slot (3) is slidably connected to a block (4), the outer surface of each block (4) is fixedly connected to the outer surface of the screen (2), the upper surface and the bottom surface of the frame (1) are fixedly connected to two shells (5), the inner wall of each shell (5) is slidably connected to a sliding block (6), the inner wall of each sliding block (6) is fixedly connected to a connecting pin (7), the outer surface of each connecting pin (7) is slidably connected to the inner wall of the corresponding frame (1), shell (5) and block (4), the upper surface of each sliding block (6) is fixedly connected to a spring (8), and the other end of each spring (8) is fixedly connected to the inner top wall of the corresponding shell (5).

2. A construction sand screening device according to claim 1, characterized in that: The front and back sides of the frame (1) are fixedly connected to a connecting block (9), the outer surface of each connecting block (9) is rotatably connected to a support rod (10), and the bottom surface of each support rod (10) is fixedly connected to the upper surface of the support frame (11).

3. A construction sand screening device according to claim 1, characterized in that: The inner wall of the support frame (11) is provided with a transmission belt (22), and the upper surface of the support frame (11) is fixedly connected with two mounting blocks (12).

4. A construction sand screening device according to claim 3, characterized in that: The outer surface of each mounting block (12) is rotatably connected to a connecting piece (13), the outer surface of each connecting piece (13) is fixedly connected to a connecting rod (14), and the outer surface of each connecting rod (14) is fixedly connected to a limiting piece (15).

5. A construction sand screening device according to claim 4, characterized in that: The inner wall of each of the limiting members (15) is rotatably connected to a worm (16), the outer surface of each of the worms (16) is meshed with a worm wheel (17), and the inner wall of each of the worm wheels (17) is fixedly connected to a threaded barrel (18).

6. A construction sand screening device according to claim 5, characterized in that: The outer surface of each threaded cylinder (18) is rotatably connected to the inner wall of the corresponding connecting rod (14), and the inner wall of each threaded cylinder (18) is threadedly connected to a threaded rod (19).

7. A construction sand screening device according to claim 6, characterized in that: The top end of each threaded rod (19) is fixedly connected to a second connecting piece (20), the inner wall of each second connecting piece (20) is rotatably connected to a second connecting block (21), and the mutually adjacent sides of each second connecting block (21) are rotatably connected to the outer surface of the frame (1).

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