Fine sand screening equipment for constructional engineering
The servo motor-driven screening equipment and secondary screening mechanism solve the problems of low efficiency and poor effect of traditional manual screening of fine sand, and achieve efficient and fine sand screening.
Patent Information
- Application Number
- CN202422609005.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-28
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-10-28
AI Technical Summary
Traditional manual screening of fine sand is inefficient, labor-intensive and has poor screening effects.
The servo motor drives the gear and gear ring to drive the screen barrel to rotate, and the first screening is carried out in combination with the shift block and the protrusion. The inner wall of the screen barrel is cleaned by the cleaning rod. The guide rod and spring of the secondary screening mechanism drive the second screen barrel to shake up and down for secondary screening.
It reduces labor intensity, improves screening efficiency and accuracy, and ensures efficient and fine sand screening.
Smart Images
Figure CN223440337U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of construction engineering field, especially a kind of fine sand screening equipment for building engineering. BACKGROUND
[0002] Building engineering refers to the engineering entity formed by the installation activities of the construction of various types of housing buildings and their auxiliary facilities, as well as the installation of lines, pipelines and equipment that are compatible therewith. "Housing building" refers to a structure with a roof, beams, columns, walls, foundation and the ability to form an internal space to meet the needs of production, residence, study and public activities.
[0003] In building engineering, sand is widely used, and sand is usually added to cement to prepare concrete. Since the sand particles are of different sizes, the sand used is also different according to different requirements when preparing concrete. Therefore, when preparing concrete, fine sand needs to be screened according to different requirements. The traditional sand screening usually uses a screen, and then the staff transports the sand to the screen with a shovel to screen the sand. This screening method is not only inefficient, labor-intensive and has poor screening effect.
[0004] Therefore, it is necessary to design a fine sand screening equipment for building engineering to solve the above technical problems. SUMMARY
[0005] To overcome the shortcomings of labor-intensive sand screening, low screening efficiency and poor screening effect, the technical problem of the utility model is to provide a fine sand screening equipment suitable for building engineering.
[0006] Technical scheme: a fine sand screening equipment for building engineering, comprising a support frame, a feeding frame, a connecting barrel, a first screening barrel, a discharge pipe, a servo motor, a gear, a gear ring, a push block, a secondary screening mechanism, a cleaning mechanism and a collection frame. The support frame is fixedly connected with the feeding frame at the top. The feeding frame is fixedly connected with the connecting barrel at the bottom. The connecting barrel is rotatably connected with the first screening barrel at the right part. The first screening barrel is inclined and has a plurality of screen holes on the outer surface. The first screening barrel is fixedly connected with the discharge pipe at the right end. The connecting barrel is fixedly connected with the servo motor at the front part. The output shaft of the servo motor is fixedly connected with the gear. The gear is rotatably connected with the gear ring at the back part. The gear ring is welded to the left side of the first screening barrel. The gear and the gear ring are intermeshed. A plurality of push blocks are fixedly connected in an annular array on one side of the discharge pipe close to the first screening barrel. The first screening barrel is provided with a secondary screening mechanism for secondary screening of sand at the bottom. The first screening barrel is provided with a cleaning mechanism for cleaning sand at the back part. The support frame is placed with the collection frame at the inner bottom. The collection frame is provided with a handle for pulling the collection frame at the front part. The collection frame is located below the secondary screening mechanism.
[0007] In a preferred embodiment of the utility model, the secondary screening mechanism includes guide rods, first limit blocks, a second sieve barrel, springs, second limit blocks and lugs, the upper portions of the support frame are fixedly connected with guide rods on both sides, the middle and lower portions of the guide rods are fixedly connected with first limit blocks, the second sieve barrel is slidably connected between the four guide rods, the bottom of the guide rod is fixedly connected with a second limit block, the second sieve barrel and the second limit block are connected with a spring, the spring is wound around the guide rod, and the right side of the second sieve barrel is fixedly connected with a lug.
[0008] In a preferred embodiment of the utility model, the cleaning mechanism includes first fixed blocks, connecting rods, cleaning rods and second fixed blocks, the left portion of the support frame is fixedly connected with a first fixed block, the right portion of the first fixed block is fixedly connected with a connecting rod, the middle portion of the connecting rod is rotatably connected with a cleaning rod, the cleaning rod is in contact with the first sieve barrel, and the right end of the connecting rod is fixedly connected with a second fixed block.
[0009] In a preferred embodiment of the utility model, the sieve holes of the first sieve barrel are larger than the sieve holes of the second sieve barrel.
[0010] In a preferred embodiment of the utility model, the cleaning mechanism includes first fixed blocks, connecting rods, cleaning rods and second fixed blocks, the left portion of the support frame is fixedly connected with a first fixed block, the right portion of the first fixed block is fixedly connected with a connecting rod, the middle portion of the connecting rod is rotatably connected with a cleaning rod, the cleaning rod is in contact with the first sieve barrel, and the right end of the connecting rod is fixedly connected with a second fixed block.
[0011] In a preferred embodiment of the utility model, the first sieve barrel and the second sieve barrel are in an inclined state.
[0012] Compared with the prior art, the utility model has the following advantages: 1, the utility model discloses a servo motor drives gear rotation, gear drives gear ring and first sieve barrel rotation, carries out screening to fine sand, through the cooperation of the shift block and the lug, the second sieve barrel can be screened manually without manual operation, the labor intensity is reduced, and the screening efficiency is improved.
[0013] 2, the utility model discloses a first sieve barrel contact cleaning rod, drives cleaning rod rotation, makes the cleaning rod clean the sand adsorbed to the inner wall of the first sieve barrel, avoids the problem that sand is too much to block the sieve hole.
[0014] 3, the utility model discloses a shift block and a lug, the second sieve barrel will shake up and down along the guide rod, and secondary screening is carried out, so that the sand is further screened, the sand screening is more delicate, and the screening effect is improved. DRAWINGS
[0015] Figure 1 It is the three-dimensional structure schematic view of the support frame, the blanking frame and the first sieve barrel of the utility model.
[0016] Figure 2 It is the three-dimensional structure schematic view of the utility model's discharge pipe, second sieve barrel and guide rod.
[0017] Figure 3 It is the three-dimensional structure schematic view of the guide rod, the first limiting block and the spring and other components of the utility model.
[0018] Figure 4 It is the three-dimensional structure schematic view of the connecting barrel, the discharge pipe and the cleaning rod and other components of the utility model.
[0019] Figure 5 It is the three-dimensional structure schematic view of the first fixed block, the connecting rod and the cleaning rod and other components of the utility model.
[0020] Among them, the above-mentioned drawing includes the following sign: 1, support frame, 2, blanking frame, 201, connecting barrel, 3, first sieve barrel, 301, discharge pipe, 4, servo motor, 5, gear, 6, gear ring, 7, push block, 8, secondary screening mechanism, 81, guide rod, 82, first limiting block, 83, second sieve barrel, 84, spring, 85, second limiting block, 86, protruding block, 9, cleaning mechanism, 91, first fixed block, 92, connecting rod, 93, cleaning rod, 94, second fixed block, 95, driving wheel, 10, collection frame. DETAILED DESCRIPTION
[0021] Although the utility model can be described in relation to a particular application or industry, those skilled in the art will recognize a broader applicability of the utility model. Those of ordinary skill in the art will recognize that terms such as: above, below, upward, downward, etc. are used to describe the drawings and are not meant to limit the scope of the utility model as defined by the appended claims. Any numerical designations such as: first or second are merely illustrative and are not intended to limit the scope of the utility model in any way.
[0022] Embodiment: a fine sand screening device for construction engineering, such as Figure 1 and Figure 2As shown, including support frame 1, blanking frame 2, connecting barrel 201, first sieve barrel 3, discharge pipe 301, servo motor 4, gear 5, gear ring 6, dial block 7, secondary screening mechanism 8, cleaning mechanism 9 and collection frame 10, the top of the support frame 1 is welded with the blanking frame 2, the bottom of the blanking frame 2 is welded with the connecting barrel 201, the right side of the connecting barrel 201 is rotatably connected with the first sieve barrel 3, the first sieve barrel 3 is in an inclined state and is provided with a plurality of sieve holes, the right end of the first sieve barrel 3 is welded with the discharge pipe 301, the front side of the connecting barrel 201 is welded with the servo motor 4, the right side output shaft of the servo motor 4 is welded with the gear 5, the rear side of the gear 5 is rotatably connected with the gear ring 6, the gear ring 6 is welded on the left side of the first sieve barrel 3, the gear 5 and the gear ring 6 are engaged with each other, a plurality of dial blocks 7 are fixedly connected in an annular array between the first sieve barrel 3 and the discharge pipe 301, the bottom of the first sieve barrel 3 is provided with the secondary screening mechanism 8 for secondary screening of sand, the rear side of the first sieve barrel 3 is provided with the cleaning mechanism 9 for cleaning the sand, the bottom of the support frame 1 is welded with the collection frame 10, the front side of the collection frame 10 is provided with a handle for conveniently pulling the collection frame 10, and the collection frame 10 is located directly below the secondary screening mechanism 8.
[0023] As shown in Figure 4 and Figure 5 As shown, the cleaning mechanism 9 includes a first fixed block 91, a connecting rod 92, a cleaning rod 93, a second fixed block 94 and a drive wheel 95, the left side of the upper part of the support frame 1 is welded with the first fixed block 91, the right side of the first fixed block 91 is welded with the connecting rod 92, the connecting rod 92 is rotatably connected with the cleaning rod 93 in the middle, the cleaning rod 93 is in contact with the first sieve barrel 3, the end of the connecting rod 92 is welded with the second fixed block 94, and the right part of the cleaning rod 93 is fixedly connected with the drive wheel 95, and the drive wheel 95 is in contact with the discharge pipe 301.
[0024] When the staff uses the device, first, the sand to be screened is put into the blanking frame 2, the sand falls into the first sieve barrel 3 along the blanking frame 2, then the servo motor 4 is started, the servo motor 4 drives the gear 5 to rotate through the output shaft, the gear 5 rotates and is engaged with the gear ring 6, driving the gear ring 6 and the first sieve barrel 3 to rotate, the first sieve barrel 3 rotates to screen the sand, after a period of screening, the sand may be adsorbed on the inner wall of the first sieve barrel 3, when the first sieve barrel 3 contacts the drive wheel 95, the drive wheel 95 drives the cleaning rod 93 to rotate, because the cleaning rod 93 is in contact with the outer surface of the inner wall of the first sieve barrel 3, the sand on the inner wall of the first sieve barrel 3 is cleaned, so that the sand falls into the first sieve barrel 3 for screening.
[0025] As shown in Figure 2 and Figure 3As shown, the secondary screening mechanism 8 comprises guide rods 81, first limit blocks 82, a second screening barrel 83, springs 84, second limit blocks 85 and lugs 86, the support frame is symmetrically welded with the guide rods 81 on the left and right sides of the lower part, the guide rods 81 are symmetrically welded with the first limit blocks 82 on the middle and lower parts, the first limit blocks 82 are slidably connected with the second screening barrel 83 at the bottom, the second screening barrel 83 is inclined and provided with a plurality of screening holes, the second screening barrel 83 slides on the guide rods 81, the guide rods 81 are welded with the second limit blocks 85 at the bottom, the second screening barrel 83 is connected with the second limit blocks 85 through the springs 84, the springs 84 are wound on the guide rods 81, and the second screening barrel 83 is fixedly connected with the lugs 86 on the right side surface and the lower part.
[0026] When the sand is screened in the first screening barrel, the coarser sand flows out of the first screening barrel 3 through the discharge pipe 301, and the finer sand falls into the second screening barrel 83 through the screening holes of the first screening barrel 3, and then the first screening barrel 3 drives the stirring block 7 to rotate, when the stirring block 7 contacts the lug 86, the second screening barrel 83 moves downward along the guide rod 81, at this time, the spring 84 is compressed, when the stirring block 7 is away from the lug 86, at this time, the spring 84 resets to drive the second screening barrel 83 to reset, the above-mentioned action is repeatedly moved, so as to realize the up-and-down shaking of the second screening barrel 83, and the secondary screening is realized, the screened sand falls into the collecting frame 10 through the screening holes of the second screening barrel 83, if the sand needs to be screened again, the above-mentioned operation can be repeated.
[0027] The above-mentioned embodiments are provided for persons skilled in the art to implement or use the utility model, and the persons skilled in the art can make various modifications or changes to the above-mentioned embodiments without departing from the utility model idea of the utility model, therefore, the protection scope of the utility model is not limited by the above-mentioned embodiments, but should be the maximum scope meeting the innovative features mentioned in the claims.
Claims
1. A fine sand screening equipment for construction engineering, characterized by comprising The invention comprises a support frame (1), a blanking frame (2), a connecting barrel (201), a first screen barrel (3), a discharge pipe (301), a servo motor (4), a gear (5), a gear ring (6), a shifting block (7), a secondary screening mechanism (8), a cleaning mechanism (9) and a collecting frame (10); the top of the support frame (1) is fixedly connected to the blanking frame (2); the bottom of the blanking frame (2) is fixedly connected to the connecting barrel (201); the right part of the connecting barrel (201) is rotatably connected to the first screen barrel (3); the first screen barrel (3) is in an inclined state and has a plurality of screen holes on its outer surface; the right end of the first screen barrel (3) is fixedly connected to the discharge pipe (301); the front part of the connecting barrel (201) is fixedly connected to the servo motor (4); the servo motor (4) A gear (5) is fixedly connected to the output shaft, and a gear ring (6) is rotatably connected to the rear of the gear (5). The gear ring (6) is welded to the left side of the first screen barrel (3). The gear (5) and the gear ring (6) are meshed with each other. A plurality of shift blocks (7) are fixedly connected in a circular array on the side of the discharge pipe (301) close to the first screen barrel (3). A secondary screening mechanism (8) for secondary screening of sand is provided at the bottom of the first screen barrel (3). A cleaning mechanism (9) for cleaning sand is provided at the rear of the first screen barrel (3). A collecting frame (10) is placed at the bottom of the support frame (1). A handle for pulling the collecting frame (10) is provided at the front of the collecting frame (10). The collecting frame (10) is located below the secondary screening mechanism (8).
2. A fine sand screening device for construction engineering according to claim 1, characterized in that: The secondary screening mechanism (8) comprises a guide rod (81), a first limiting block (82), a second screen barrel (83), a spring (84), a second limiting block (85) and a protrusion (86). The guide rods (81) are symmetrically fixedly connected to both sides of the upper portion of the support frame (1). The first limiting block (82) is fixedly connected to the middle and lower portions of the guide rods (81). The second screen barrel (83) is slidably connected between the four guide rods (81). The second limiting block (85) is fixedly connected to the bottom of the guide rod (81). A spring (84) is connected between the second screen barrel (83) and the second limiting block (85). The spring (84) is wound around the guide rod (81). The protrusion (86) is fixedly connected to the lower right side of the second screen barrel (83).
3. A fine sand screening device for construction engineering according to claim 2, characterized in that: The cleaning mechanism (9) comprises a first fixed block (91), a connecting rod (92), a cleaning rod (93) and a second fixed block (94); the left portion of the support frame (1) is fixedly connected to the first fixed block (91); the right portion of the first fixed block (91) is fixedly connected to the connecting rod (92); the middle portion of the connecting rod (92) is rotatably connected to the cleaning rod (93); the cleaning rod (93) contacts the first sieve barrel (3); and the right end of the connecting rod (92) is fixedly connected to the second fixed block (94).
4. A fine sand screening device for construction engineering according to claim 3, characterized in that: The sieve holes provided in the first sieve barrel (3) are larger than the sieve holes provided in the second sieve barrel (83).
5. A fine sand screening device for construction engineering according to claim 4, characterized in that: The cleaning rod (93) further comprises a driving wheel (95), the right portion of which is fixedly connected to the driving wheel (95), and the driving wheel (95) is in contact with the discharge pipe (301).
6. A fine sand screening device for construction engineering according to claim 5, characterized in that: The first sieve barrel (3) and the second sieve barrel (83) are in an inclined state.