CN217911452U

CN217911452U - Screening sand device for construction

Info

Publication number: CN217911452U
Application number: CN202221786490.9U
Authority: CN
Inventors: 袁帅; 张春雨; 吴国飞; 李永昌; 刘传雨
Original assignee: China Construction Second Engineering Bureau Co Ltd
Current assignee: China Construction Second Engineering Bureau Co Ltd
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2022-11-29
Anticipated expiration: 2032-07-12

Abstract

The utility model discloses a sand screening device for building construction, which comprises a shell, a feed pipe and a moving mechanism; the bottom of the shell is provided with an outlet; the front end of the feed pipe is bent downwards and extends into the sand pile, and the tail end of the feed pipe is connected with the rear side wall of the shell; a discharge chute is arranged on the feeding pipe and the part positioned in the shell; a connecting shaft is arranged in the feeding pipe, and the tail end of the connecting shaft penetrates through the rear side wall of the shell; a sieve plate is arranged in the shell, and the bottom surface of the sieve plate is connected with a support rod; the moving mechanism comprises a motor and a telescopic rod; the motor is arranged on the outer side of the rear side wall of the shell, the output end of the motor extends into the shell, and a disc is connected with the motor; one end of the telescopic rod is eccentrically connected to the disc, and the other end of the telescopic rod is fixedly connected with the sieve plate; the output end of the motor is connected with a first gear at the position outside the shell; a second gear meshed with the first gear is connected to the connecting shaft and positioned on the outer side of the rear side wall of the shell; the method aims to solve the problem of screening coarse sand in building construction.

Description

Screening sand device for construction

Technical Field

The utility model belongs to the technical field of the construction, concretely relates to screening sand device for construction.

Background

The sand is one of main building materials, and the building sand is generally mixed with stones with different particle sizes and some sundries, so that fine sand with smaller particles is frequently used when a house or other buildings are built, and coarse sand is generally screened to obtain the fine sand. The phenomenon that the jam still appears easily at the in-process of screening in the screening process of current building construction's screening plant, the poor problem of screening effect, at the in-process that uses, has prolonged the time of screening, needs the artifical manual material loading of carrying on moreover, has increased operating personnel's work load, is not convenient for use.

SUMMERY OF THE UTILITY MODEL

The utility model provides a screening sand device for building site, the purpose is in order to solve and carries out the problem of screening to the coarse sand in the construction.

In order to achieve the purpose, the utility model provides a sand screening device for building construction, which comprises a shell, a feeding pipe and a moving mechanism; the middle part of the top plate of the shell protrudes upwards to form a bulge; an outlet is formed in the bottom of the shell; the feed pipe longitudinally penetrates through the bulge, the front end of the feed pipe is bent downwards and extends into the sand pile, and the tail end of the feed pipe is connected with the rear side wall of the shell; a discharge chute is arranged on the feeding pipe and the part positioned in the shell; a connecting shaft is arranged in the feeding pipe, and a spiral sheet is sleeved on the connecting shaft in the feeding pipe; the tail end of the connecting shaft penetrates through the rear side wall of the shell; a sieve plate is arranged in the shell, and a support rod is fixedly connected to the bottom surface of the sieve plate; the two groups of support rods are respectively and correspondingly arranged at the left end and the right end of the sieve plate; the supporting rod is L-shaped, and the free end of the transverse edge of the supporting rod penetrates through the side wall of the corresponding side of the shell; fixed baffles are respectively arranged inside the shell and between the left end and the right end of the sieve plate and the top surface of the shell; the fixed baffle is gradually and obliquely arranged outwards from bottom to top, and a gap is reserved between the bottom surface of the fixed baffle and the sieve plate; the lower parts of the two fixed baffle plates are respectively provided with a cleaning structure for cleaning the sieve plate; the moving mechanism comprises a motor and a telescopic rod; the motor is arranged on the outer side of the rear side wall of the shell and is positioned above the sieve plate; the output end of the motor extends into the shell; the output end of the motor is connected with a disc; one end of the telescopic rod is eccentrically connected to the disc, and the other end of the telescopic rod is fixedly connected with the sieve plate; the output end of the motor is connected with a first gear at the position outside the shell; and a second gear is connected to the connecting shaft and positioned on the outer side of the rear side wall of the shell, and the second gear is meshed with the first gear.

Furthermore, the connecting shaft comprises a horizontal connecting shaft rod, an oblique connecting shaft rod and a linkage assembly box; the linkage assembly box is arranged at the turning position of the connecting shaft and connects the horizontal connecting shaft rod with the oblique connecting shaft rod; the linkage assembly box is internally provided with bevel gears which are respectively arranged at the end parts of the horizontal connecting shaft rod and the inclined connecting shaft rod.

Furthermore, a window is arranged on the front side wall of the shell and above the sieve plate, and a movable baffle is arranged at the window; the upper end of the movable baffle is hinged with the shell; the left side and the right side of the window on the shell are respectively provided with a stop block; the stop block is rotatably connected with the shell.

Furthermore, the cleaning structure comprises a connecting rod, a mounting assembly and a scraping rod; the connecting rods are arranged in a group and are longitudinally arranged on the side surface of the fixed baffle at intervals, and the lower ends of the connecting rods extend to the positions of the sieve plates; the scraping rods are in a group and correspondingly arranged at the lower end of the connecting rod; the top surface of the scraping rod is provided with an opening; the lower end of the connecting rod is inserted into the opening of the scraping rod and is movably connected with the scraping rod; the mounting assemblies are provided with a plurality of groups, and each group of mounting assemblies comprises an upper side panel and a lower side panel; the upper side panel is arranged between two adjacent connecting rods in a penetrating manner and is fixedly connected with the connecting rods; the lower side panel penetrates through the upper parts of the scraping rods corresponding to the two connecting rods and is fixedly connected with the scraping rods; springs are arranged between the upper side plate and the lower side plate and between two adjacent connecting rods; the spring is in natural state, and the bottom of scraping the pole stretches into in the sieve mesh of sieve, and the length of scraping the pole and stretching into in the sieve mesh is not more than 3mm.

Furthermore, a stop rod is arranged below the sieve plate and on the rear side wall of the shell.

Furthermore, an embedded seat is connected to the end part of the feeding pipe and the position extending into the sand pile.

Furthermore, a supporting plate is arranged below the motor and fixedly connected with the rear side wall of the shell.

Compared with the prior art, the beneficial effects of the utility model reside in that: in the utility model, the motor drives the connecting shaft and the spiral sheet to rotate, and the raw materials are conveyed into the shell; meanwhile, the disc is driven to rotate, the telescopic rod is eccentrically connected to the disc, the telescopic rod drives the sieve plate to horizontally move in the shell, the sieve plate naturally sieves and falls by contrasting gravity, the filtering efficiency of raw materials can be increased by the left and right movement of the sieve plate, and the sieving speed of fine sand is increased; a cleaning mechanism is arranged on the fixed baffle plate to clean out impurities blocked in the sieve pores, so that the device is prevented from being blocked in the screening process; the front side surface of the shell is also provided with a movable baffle plate, so that the interior of the shell can be conveniently overhauled.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the present invention.

Fig. 3 is a schematic diagram of the transverse cross-section structure of the present invention.

Fig. 4 is a schematic view of the vertical section structure of the present invention.

Fig. 5 is a schematic view of the structure of the part a in fig. 3 according to the present invention.

Description of the drawings: 1. a housing; 1.1, raising; 2. a feed pipe; 3. a discharge chute; 4. a connecting shaft; 4.1, connecting the shaft lever horizontally; 4.2, an oblique connecting rod; 4.3, a linkage component box; 5. a spiral sheet; 7. a sieve plate; 9. a support bar; 11. fixing a baffle plate; 12. a motor; 13. a telescopic rod; 14. a disc; 15. a first gear; 16. a second gear; 17. a movable baffle; 18. a stopper; 19. a connecting rod; 21. a scraping rod; 22. an upper side panel; 23. a lower side panel; 24. a spring; 25. a gear lever; 26. embedding the base; 27. and a support plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments, of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

With the attached drawings, the utility model relates to a sand sieving device for building construction, which comprises a shell 1, a feeding pipe 2 and a moving mechanism; the middle part of the top plate of the shell 1 protrudes upwards to form a bulge 1.1; an outlet is formed in the bottom of the shell 1; the feed pipe 2 longitudinally penetrates through the bulge 1.1, the front end of the feed pipe 2 is bent downwards and extends into the sand pile, and the tail end of the feed pipe 2 is connected with the rear side wall of the shell 1; a discharge chute 3 is arranged on the feeding pipe 2 and the part positioned in the shell 1; a connecting shaft 4 is arranged in the feeding pipe 2, and a spiral sheet 5 is sleeved on the connecting shaft 4 in the feeding pipe 2; the tail end of the connecting shaft 4 penetrates through the rear side wall of the shell 1; a sieve plate 7 is arranged in the shell 1, and a support rod 9 is fixedly connected to the bottom surface of the sieve plate 7; two groups of support rods 9 are arranged, and the two groups of support rods 9 are respectively and correspondingly arranged at the left end and the right end of the sieve plate 7; the supporting rod 9 is L-shaped, and the free end of the transverse edge of the supporting rod 9 penetrates through the side wall of the corresponding side of the shell 1; fixed baffles 11 are respectively arranged inside the shell 1 and between the left end and the right end of the sieve plate 7 and the top surface of the shell 1; the fixed baffle 11 is gradually and obliquely arranged outwards from bottom to top, and a gap is reserved between the bottom surface of the fixed baffle 11 and the sieve plate 7; the lower parts of the two fixed baffle plates 11 are respectively provided with a cleaning structure for cleaning the sieve plate 7; the moving mechanism comprises a motor 12 and a telescopic rod 13; the motor 12 is arranged on the outer side of the rear side wall of the shell 1 and is positioned above the sieve plate 7; the output end of the motor 12 extends into the shell 1; a disc 14 is connected with the output end of the motor 12; one end of the telescopic rod 13 is eccentrically connected to the disc 14, and the other end of the telescopic rod 13 is fixedly connected with the sieve plate 7; a first gear 15 is connected to the output end of the motor 12 and positioned at the outer side of the shell 1; and a second gear 16 is connected to the connecting shaft 4 and positioned on the outer side of the rear side wall of the shell 1, and the second gear 16 is meshed with the first gear 15. An embedded seat 26 is connected to the end part of the feeding pipe 2 and the position extending into the sand pile, the embedded seat 26 extends into the sand pile, the motor 12 is started to drive the second gear 16 to rotate, and sand is conveyed into the shell 1 through the connecting shaft 4 and the spiral piece 5; at the same time, the output of the motor 12 drives the movement of the disk 14 and the telescopic rod 13, so that the sieve plate 7 can move transversely inside the housing 1.

The connecting shaft 4 comprises a horizontal connecting shaft rod 4.1, an oblique connecting shaft rod 4.2 and a linkage assembly box 4.3; the linkage assembly box 4.3 is arranged at the turning position of the connecting shaft 4 and connects the horizontal connecting shaft rod 4.1 with the inclined connecting shaft rod 4.2; the inside bevel gear that is provided with of linkage subassembly case 4.3, bevel gear sets up respectively at the tip of horizontal antithetical couplet axostylus axostyle 4.1 and slant antithetical couplet axostylus axostyle 4.2, drives the rotation of slant antithetical couplet axostylus axostyle 4.2 for the raw materials can get into casing 1 along inlet pipe 2.

A window is arranged on the front side wall of the shell 1 and above the sieve plate 7, and a movable baffle 17 is arranged at the window; the upper end of the movable baffle 17 is hinged with the shell 1; the left side and the right side of the window on the shell 1 are respectively provided with a stop block 18; the stop block 18 is connected with the shell 1 in a rotating way. Through the setting of slide damper 17, be convenient for overhaul the casing inside.

The cleaning structure comprises a connecting rod 19, a mounting assembly and a scraping rod 21; the connecting rods 19 are arranged in a group and are longitudinally arranged on the side surface of the fixed baffle 11 at intervals, and the lower ends of the connecting rods 19 extend to the position of the sieve plate 7; the scraping rods 21 are arranged in a group and correspondingly arranged at the lower end of the connecting rod 19; the top surface of the scraping rod 21 is provided with an opening; the lower end of the connecting rod 19 is inserted into an opening of the scraping rod 21 and is movably connected with the scraping rod 21; the mounting assemblies are provided with a plurality of groups, and each group of mounting assemblies comprises an upper side panel 22 and a lower side panel 23; the upper side panel 22 is arranged between two adjacent connecting rods 19 in a penetrating manner and is fixedly connected with the connecting rods 19; the lower side panel 23 is arranged at the upper part of the scraping rod 21 corresponding to the two connecting rods 19 in a penetrating way and is fixedly connected with the scraping rod 21; a spring 24 is arranged between the upper side panel 22 and the lower side panel 23 and between two adjacent connecting rods 19; spring 24 is under natural state, and the bottom of scraping pole 21 stretches into in the sieve mesh of sieve 7, and the length of scraping pole 21 and stretching into in the sieve mesh is not more than 3mm, guarantees to scrape the entering sieve mesh that pole 21 can be smooth, clears up the sieve mesh to along with the removal of sieve 7, extrusion spring 24 makes to scrape pole 21 and removes in corresponding sieve mesh, avoids the jam of sieve mesh in the sieve 7.

A stop rod 25 for supporting the screen plate 7 is arranged below the screen plate 7 and on the rear side wall of the shell 1.

A support plate 27 is arranged below the motor 12, and the support plate 27 is fixedly connected with the rear side wall of the shell 1.

When the tool is used, the embedded seat 26 is extended into a sand pile, the motor 12 is started to drive the first gear 15 and the second gear 16 to rotate, and raw materials are conveyed into the shell 1; meanwhile, the output end of the motor 12 is connected with a disc 14 to drive the disc 14 to rotate, the telescopic rod 13 is eccentrically connected to the disc 14, and the telescopic rod 13 drives the sieve plate 7 to horizontally move in the shell 1 to complete the sand sieving operation; a cleaning mechanism is arranged on the fixed baffle 11 to clean out impurities blocked in the sieve pores, so that the device is prevented from being blocked in the sieving process; the front side surface of the shell 1 is also provided with a movable baffle 17, so that the interior of the shell 1 can be conveniently overhauled.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not to be construed as limiting the claim concerned.

Claims

1. The utility model provides a screening sand device for construction which characterized in that: comprises a shell (1), a feeding pipe (2) and a moving mechanism; the middle part of the top plate of the shell (1) protrudes upwards to form a bulge (1.1); an outlet is formed in the bottom of the shell (1); the feed pipe (2) longitudinally penetrates through the protrusion (1.1), the front end of the feed pipe (2) is bent downwards and extends into the sand pile, and the tail end of the feed pipe (2) is connected with the rear side wall of the shell (1); a discharge chute (3) is arranged on the feed pipe (2) and the part positioned in the shell (1); a connecting shaft (4) is arranged in the feeding pipe (2), and a spiral sheet (5) is sleeved on the connecting shaft (4) in the feeding pipe (2); the tail end of the connecting shaft (4) penetrates through the rear side wall of the shell (1); a sieve plate (7) is arranged in the shell (1), and a support rod (9) is fixedly connected to the bottom surface of the sieve plate (7); two groups of supporting rods (9) are arranged, and the two groups of supporting rods (9) are respectively and correspondingly arranged at the left end and the right end of the sieve plate (7); the supporting rod (9) is L-shaped, and the free end of the transverse edge of the supporting rod (9) penetrates through the side wall of the corresponding side of the shell (1); fixed baffles (11) are respectively arranged inside the shell (1) and between the left end and the right end of the sieve plate (7) and the top surface of the shell (1); the fixed baffle (11) is gradually and obliquely arranged outwards from bottom to top, and a gap is reserved between the bottom surface of the fixed baffle (11) and the sieve plate (7); the lower parts of the two fixed baffles (11) are respectively provided with a cleaning structure for cleaning the sieve plate (7); the moving mechanism comprises a motor (12) and a telescopic rod (13); the motor (12) is arranged on the outer side of the rear side wall of the shell (1) and is positioned above the sieve plate (7); the output end of the motor (12) extends into the shell (1); the output end of the motor (12) is connected with a disc (14); one end of the telescopic rod (13) is eccentrically connected to the disc (14), and the other end of the telescopic rod (13) is fixedly connected with the sieve plate (7); a first gear (15) is connected to the output end of the motor (12) and positioned at the outer side of the shell (1); and a second gear (16) is connected to the connecting shaft (4) and positioned on the outer side of the rear side wall of the shell (1), and the second gear (16) is meshed with the first gear (15).

2. The sand sieving device for building construction according to claim 1, wherein: the connecting shaft (4) comprises a horizontal connecting shaft rod (4.1), an oblique connecting shaft rod (4.2) and a linkage assembly box (4.3); the linkage assembly box (4.3) is arranged at the turning position of the connecting shaft (4) and connects the horizontal connecting shaft rod (4.1) with the inclined connecting shaft rod (4.2); bevel gears are arranged in the linkage component box (4.3), and the bevel gears are respectively arranged at the end parts of the horizontal connecting shaft rod (4.1) and the inclined connecting shaft rod (4.2).

3. The sand sieving device for building construction according to claim 1, wherein: a window is arranged on the front side wall of the shell (1) and above the sieve plate (7), and a movable baffle (17) is arranged at the window; the upper end of the movable baffle (17) is hinged with the shell (1); the left side and the right side of the window on the shell (1) are respectively provided with a stop block (18); the stop block (18) is rotatably connected with the shell (1).

4. The sand sieving device for building construction according to claim 1, wherein: the cleaning structure comprises a connecting rod (19), a mounting assembly and a scraping rod (21); the connecting rods (19) are arranged in a group and are longitudinally arranged on the side surface of the fixed baffle (11) at intervals, and the lower ends of the connecting rods (19) extend to the position of the sieve plate (7); the scraping rods (21) are provided with one group and are correspondingly arranged at the lower end of the connecting rod (19); the top surface of the scraping rod (21) is provided with an opening; the lower end of the connecting rod (19) is inserted into an opening of the scraping rod (21) and is movably connected with the scraping rod (21); the mounting assemblies are provided with a plurality of groups, and each group of mounting assemblies comprises an upper side panel (22) and a lower side panel (23); the upper side panel (22) penetrates between two adjacent connecting rods (19) and is fixedly connected with the connecting rods (19); the lower side panel (23) penetrates through the upper parts of the scraping rods (21) corresponding to the two connecting rods (19) and is fixedly connected with the scraping rods (21); a spring (24) is arranged between the upper side panel (22) and the lower side panel (23) and between two adjacent connecting rods (19); the bottom of the scraping rod (21) extends into the sieve holes of the sieve plate (7) under the natural state of the spring (24), and the length of the scraping rod (21) extending into the sieve holes is not more than 3mm.

5. The sand sieving apparatus for construction according to claim 1, wherein: a stop rod (25) is arranged below the sieve plate (7) and on the rear side wall of the shell (1).

6. The sand sieving device for building construction according to claim 1, wherein: the end part of the feeding pipe (2) is connected with an embedded seat (26) at the position extending into the sand pile.

7. The sand sieving apparatus for construction according to claim 1, wherein: a supporting plate (27) is arranged below the motor (12), and the supporting plate (27) is fixedly connected with the rear side wall of the shell (1).