CN217249113U - Screening sand device for construction - Google Patents

Abstract

The utility model belongs to the technical field of building construction equipment, in particular to a sand screening device for building construction. Most of the existing sand screening devices perform single vibration screening. Although the efficiency is improved, the agglomeration in the sand will also be removed. When the impurities are discharged and the screening quality is low, the following solution is proposed, which includes a box body, a motor is fixedly installed on the box body, and a reciprocating screw rod is fixedly installed on the output shaft of the motor, and the reciprocating screw rod rotates A box body is provided, a threaded block is threadedly connected to the reciprocating screw rod, a box body is fixedly installed on the threaded block, a sliding plate is fixedly installed on the box body, and a rack is fixedly installed in the box body. The sliding plate is slidably connected with the rack, and the box body is provided with a sand crushing mechanism. The utility model can crush the agglomerated sand on the sieve plate while sieving the sand, which greatly improves the quality of the sieving sand.

Description

A sand screening device for building construction

technical field

The utility model relates to the technical field of building construction equipment, in particular to a sand screening device for building construction.

Background technique

Building construction refers to the production activities in the implementation stage of project construction. It is the construction process of various buildings. It can also be said that the various lines on the design drawings are turned into real objects at designated locations. Sand is a must in the construction industry. The construction sand usually requires fine sand, and the sand on the construction site is usually mixed with impurities such as gravel, so the construction is usually equipped with a sand screening device to screen the sand.

Most of the existing sand screening devices perform single vibration screening. Although the efficiency is improved, the agglomeration in the sand will also be discharged as impurities, and the screening quality is low.

Utility model content

The purpose of this utility model is to solve the disadvantage that the existing sand screening devices mostly perform single vibration screening. Although the efficiency is improved, the agglomeration in the sand will also be discharged as impurities and the screening quality is low. A sand screening device for building construction.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

A sand screening device for construction, comprising a box body, a motor is fixedly installed on the box body, a reciprocating screw rod is fixedly installed on an output shaft of the motor, and the reciprocating screw rod is rotatably arranged in the box body, the A threaded block is threadedly connected to the reciprocating screw, a box body is fixedly installed on the threaded block, a sliding plate is fixedly installed on the box body, a rack is fixedly installed in the box, and the sliding plate slides with the rack connection, the box body is provided with a sand breaking mechanism, the sand breaking mechanism includes a first gear, a second gear, a turntable, a rotating rod, a mounting plate, a sand breaking connecting plate, a fixed plate, a first spring, a tooth breaking plate, The first gear and the second gear are rotatably arranged in the same box, and the first gear and the second gear are meshed with each other, the first gear and the rack are meshed with each other, and the turntable is fixedly connected with the second gear, so the The rotating rod is rotatably arranged on the turntable, the rotating rod is rotatably connected with the mounting plate, the mounting plate is slidably arranged in the box body, the broken sand connecting plate is fixedly arranged on the mounting plate, and the fixing plate is fixedly installed on the crushing plate. On the sand connecting plate, the fixing plate is fixedly connected with the first spring, the first spring is fixedly arranged on the broken tooth plate, a sieve plate is arranged in the box, and a vibration mechanism is connected to the sieve plate.

Preferably, the vibration mechanism includes two runners, a belt, and an eccentric wheel, the outer sides of the two runners are connected with the same belt, the two runners are rotatably arranged on the same box, and the two runners are A runner is fixedly connected with the eccentric wheel, a first support plate and a second support plate are fixedly installed in the box, and the first support plate and the second support plate are slidably connected to the same sieve plate.

Preferably, the top of the box body is fixedly provided with a feeding port, the bottom of the box body is fixedly provided with a discharge port, and a placing plate is fixedly installed on one outer wall of the box body, and the placing plate is provided with There are collection boxes.

Compared with the prior art, the advantages of the present utility model are:

(1) In this scheme, the mutual connection between the box body, the sliding plate, the rack, the first gear, the second gear, the turntable, the rotating rod, the mounting plate, the sand breaking connecting plate, the fixing plate, the first spring and the broken tooth plate is arranged. In cooperation, the agglomerated sand on the sieve plate can be pulverized, thereby improving the quality of screening.

(2) This scheme can make the sieve plate vibrate through the setting of the runner, the belt and the eccentric wheel, so that the screening work can be better carried out.

(3) In this scheme, through the mutual cooperation of the sleeve, the sliding column, the second spring and the pressure plate, the collection box can be fixed and limited to avoid the movement of the collection box affecting the collection.

The utility model can crush the agglomerated sand on the sieve plate while sieving the sand, thereby greatly improving the quality of the sieving sand.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of a kind of building construction sand screening device proposed by the utility model;

Fig. 2 is the front view structure schematic diagram of a kind of building construction sand screening device proposed by the utility model;

FIG. 3 is a schematic side view of the structure of a box body of a sand screening device for building construction proposed by the utility model.

In the figure: 1. Box body; 2. Motor; 3. Reciprocating screw rod; 4. Threaded block; 5. Box body; 6. Sliding plate; 7. Rack; 8. First gear; 9. Second gear; 10. Turntable; 11. Rotating rod; 12. Mounting plate; 13. Sand-crushing connecting plate; 14. Fixing plate; 15. First spring; 16. Crushing tooth plate; 17. Sieve plate; 18. Runner; 19. Belt; 20, eccentric wheel; 21, first support plate; 22, second support plate; 23, feed port; 24, discharge port; 25, placing plate; 26, collection box; 27, sleeve; 28, sliding column; 29, second spring; 30, pressing plate.

Detailed ways

The technical solutions in this embodiment will be clearly and completely described below with reference to the accompanying drawings in this embodiment. Obviously, the described embodiments are only a part of the embodiments of this embodiment, but not all of the embodiments.

Example 1

1-3, a sand screening device for building construction includes a box body 1, a motor 2 is fixedly installed on the box body 1, a reciprocating screw rod 3 is fixedly installed on the output shaft of the motor 2, and the reciprocating screw rod 3 is rotated to set Inside the box body 1, a threaded block 4 is threaded on the reciprocating screw rod 3, a box body 5 is fixedly installed on the threaded block 4, a sliding plate 6 is fixedly installed on the box body 5, and a rack 7 is fixedly installed in the box body 1 , the sliding plate 6 is slidably connected with the rack 7, the box body 5 is provided with a sand breaking mechanism, and the sand breaking mechanism includes a first gear 8, a second gear 9, a turntable 10, a rotating rod 11, a mounting plate 12, and a sand breaking connecting plate 13. The fixed plate 14, the first spring 15, the broken tooth plate 16, the first gear 8 and the second gear 9 are rotated and arranged in the same box 5, and the first gear 8 and the second gear 9 are meshed with each other. The gear 8 and the rack 7 mesh with each other, the turntable 10 is fixedly connected with the second gear 9, the rotating rod 11 is rotatably arranged on the turntable 10, the rotating rod 11 is rotatably connected with the mounting plate 12, and the mounting plate 12 is slidably arranged in the box body 5, The broken sand connecting plate 13 is fixedly arranged on the mounting plate 12, the fixing plate 14 is fixedly installed on the broken sand connecting plate 13, the fixing plate 14 is fixedly connected with the first spring 15, and the first spring 15 is fixedly arranged on the broken tooth plate 16, A sieve plate 17 is arranged in the box body 1 , and a vibration mechanism is connected to the sieve plate 17 .

In this embodiment, the vibration mechanism includes two runners 18 , a belt 19 , and an eccentric wheel 20 , the outer sides of the two runners 18 are connected to the same belt 19 in a driving manner, and the two runners 18 are rotatably arranged on the same box 1 , one of the two runners 18 is fixedly connected to the eccentric wheel 20, the other of the two runners 18 is fixedly connected to the output shaft of the motor 2, and the box body 1 is fixedly installed with a first support The plate 21 and the second support plate 22 , the first support plate 21 and the second support plate 22 are slidably connected to the same sieve plate 17 , and the central axis of the eccentric wheel 20 is rotatably connected to the first support plate 21 .

In this embodiment, the top of the box body 1 is fixedly provided with a feeding port 23 , the bottom of the box body 1 is fixedly provided with a discharge port 24 , and a placing plate 25 is fixedly installed on one side outer wall of the box body 1 . A collection box 26 is provided.

Working principle, when in use, pour the sand into the box 1 from the feed port 23, start the motor 2, the motor 2 drives the eccentric wheel 20 to rotate through two runners 18 and a belt 19, and the eccentric wheel 20 is in contact with the sieve plate 17. , and drive the sieve plate 17 to vibrate. The first support plate 21 and the second support plate 22 ensure the stability of the vibration of the sieve plate 17. The vibration of the sieve plate 17 can better screen the sand, and the fine sand is screened out from The discharge port 24 is discharged, and the sieve plate 17 is installed obliquely, so impurities such as sifted stones and other impurities roll down into the collection box 26, and at the same time, the motor 2 drives the reciprocating screw 3 to rotate, and the reciprocating screw 3 drives the threaded block 4. During the reciprocating motion, the threaded block 4 drives the box body 5 to reciprocate. When the box body 5 moves, the first gear 8 rolls on the rack 7 and rotates, so that the first gear 8 drives the second gear 9 to rotate, and the first gear 8 rotates. The second gear 9 drives the turntable 10 to rotate, the turntable 10 drives the mounting plate 12 to reciprocate through the rotating rod 11 , the mounting plate 12 drives the fixed plate 14 to reciprocate through the crushed sand connecting plate 13 , and the fixed plate 14 drives the crushed teeth through the first spring 15 . The plate 16 performs a reciprocating motion, and the broken tooth plate 16 is in contact with the sieve plate 17. Through the reciprocating motion of the broken tooth plate 16, the agglomerated sand on the sieve plate 17 can be crushed, which greatly improves the quality of screening. In the first spring 15 Under the action of , the contact between the broken tooth plate 16 and the sieve plate 17 can be ensured.

Embodiment 2

1-3, a sand screening device for building construction includes a box body 1, a motor 2 is fixedly installed on the box body 1, a reciprocating screw rod 3 is fixedly installed on the output shaft of the motor 2, and the reciprocating screw rod 3 is rotated to set Inside the box body 1, a threaded block 4 is threaded on the reciprocating screw rod 3, a box body 5 is fixedly installed on the threaded block 4, a sliding plate 6 is fixedly installed on the box body 5, and a rack 7 is fixedly installed in the box body 1 , the sliding plate 6 is slidably connected with the rack 7, the box body 5 is provided with a sand breaking mechanism, and the sand breaking mechanism includes a first gear 8, a second gear 9, a turntable 10, a rotating rod 11, a mounting plate 12, and a sand breaking connecting plate 13. The fixed plate 14, the first spring 15, the broken tooth plate 16, the first gear 8 and the second gear 9 are rotated and arranged in the same box 5, and the first gear 8 and the second gear 9 are meshed with each other. The gear 8 and the rack 7 mesh with each other, the turntable 10 is fixedly connected with the second gear 9, the rotating rod 11 is rotatably arranged on the turntable 10, the rotating rod 11 is rotatably connected with the mounting plate 12, and the mounting plate 12 is slidably arranged in the box body 5, The broken sand connecting plate 13 is fixedly arranged on the mounting plate 12, the fixing plate 14 is fixedly installed on the broken sand connecting plate 13, the fixing plate 14 is fixedly connected with the first spring 15, and the first spring 15 is fixedly arranged on the broken tooth plate 16, A sieve plate 17 is arranged in the box body 1 , and a vibration mechanism is connected to the sieve plate 17 .

In this embodiment, the vibration mechanism includes two runners 18 , a belt 19 , and an eccentric wheel 20 , the outer sides of the two runners 18 are connected to the same belt 19 in a driving manner, and the two runners 18 are rotatably arranged on the same box 1 , one of the two runners 18 is fixedly connected to the eccentric wheel 20, the other of the two runners 18 is fixedly connected to the output shaft of the motor 2, and the box body 1 is fixedly installed with a first support The plate 21 and the second supporting plate 22, the first supporting plate 21 and the second supporting plate 22 are slidably connected with the same sieve plate 17, and the central axis of the eccentric wheel 20 is rotatably connected with the first supporting plate 21, which can drive the sieve plate 17 to vibrate , in order to improve the screening efficiency.

In this embodiment, the top of the box body 1 is fixedly provided with a feeding port 23 , the bottom of the box body 1 is fixedly provided with a discharge port 24 , and a placing plate 25 is fixedly installed on one side outer wall of the box body 1 . A collection box 26 is provided, which can collect impurities such as crushed stones that are screened out.

In this embodiment, a sleeve 27 is fixedly installed on the box body 1, a sliding column 28 is slidably installed in the sleeve 27, a second spring 29 is fixedly installed in the sleeve 27, and the sliding column 28 is fixedly connected with the second spring 29. A pressing plate 30 is rotatably arranged on the sliding column 28 to fix and limit the collecting box 26 .

Working principle, the difference between the second embodiment and the first embodiment is that a sleeve 27 is fixedly installed on the box body 1, a sliding column 28 is slidably installed in the sleeve 27, a second spring 29 is fixedly installed in the sleeve 27, and the sliding column is installed. 28 is fixedly connected with the second spring 29, and the sliding column 28 is rotatably provided with a pressure plate 30. When the collection box 26 needs to be used for collection, rotate the pressure plate 30 to make it vertically upward, put the collection box 26 on the placing plate 25, and push it. Enter into the box body 1, release the pressure plate 30, the pressure plate 30 returns, and under the action of the second spring 29, the pressure plate 30 moves to the collection box 26, and the collection box 26 is limited and fixed to prevent the collection box 26 from moving. Affect the collection effect.

The above descriptions are only preferred specific implementations of this embodiment, but the protection scope of this embodiment is not limited to this. The equivalent replacement or modification of the technical solution and the utility model concept of the embodiment should be included within the protection scope of the present embodiment.

Claims (5)

1. A sand screening device for construction, comprising a box body (1), characterized in that a motor (2) is fixedly installed on the box body (1), and an output shaft of the motor (2) is fixedly installed There is a reciprocating screw rod (3), the reciprocating screw rod (3) is rotatably arranged in a box body (1), a threaded block (4) is threadedly connected to the reciprocating screw rod (3), and the threaded block (4) A box body (5) is fixedly installed on the box body (5), a sliding plate (6) is fixedly installed on the box body (5), a rack (7) is fixedly installed in the box body (1), and the sliding plate ( 6) Slidingly connected with the rack (7), the box body (5) is provided with a sand crushing mechanism, and the sand crushing mechanism comprises a first gear (8), a second gear (9), a turntable (10), The rotating rod (11), the mounting plate (12), the sand-crushing connecting plate (13), the fixing plate (14), the first spring (15), the teeth-crushing plate (16), the first gear (8), the first Two gears (9) are rotatably arranged in the same box (5), and the first gear (8) and the second gear (9) mesh with each other, and the first gear (8) and the rack (7) mesh with each other , the turntable (10) is fixedly connected with the second gear (9), the rotating rod (11) is rotatably arranged on the turntable (10), and the rotating rod (11) is rotatably connected with the mounting plate (12), so The mounting plate (12) is slidably arranged in the box body (5), the broken sand connecting plate (13) is fixedly arranged on the mounting plate (12), and the fixing plate (14) is fixedly installed on the broken sand connecting plate ( 13), the fixing plate (14) is fixedly connected with the first spring (15), the first spring (15) is fixedly arranged on the broken tooth plate (16), and the box (1) is provided with a A sieve plate (17), a vibration mechanism is connected to the sieve plate (17). 2. A sand screening device for building construction according to claim 1, characterized in that the vibration mechanism comprises two runners (18), a belt (19), an eccentric wheel (20), two runners The outer side of the (18) is connected to the same belt (19) in a driving manner, the two runners (18) are rotatably arranged on the same box (1), and one of the two runners (18) is connected to The eccentric wheel (20) is fixedly connected. 3. A sand screening device for building construction according to claim 1, characterized in that a first support plate (21) and a second support plate (22) are fixedly installed in the box body (1), so that the The first support plate (21) and the second support plate (22) are slidably connected with the same screen plate (17). 4 . The sand screening device for construction according to claim 1 , wherein the top of the box body (1) is fixedly provided with a feeding port (23), and the bottom of the box body (1) is provided with a feeding port (23). A discharge port (24) is fixedly arranged. 5 . The sand screening device for construction according to claim 1 , wherein a placing plate ( 25 ) is fixedly installed on one side outer wall of the box body ( 1 ), and the placing plate ( 25 ) A collection box (26) is provided on it.

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