CN214107216U

CN214107216U - Sand screening machine for concrete production

Info

Publication number: CN214107216U
Application number: CN202022908978.1U
Authority: CN
Inventors: 万生科; 陶举银
Original assignee: Jingmen Feichi Mortar Co ltd
Current assignee: Jingmen Feichi Mortar Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-09-03
Anticipated expiration: 2030-12-08

Abstract

The utility model discloses a sand sieving machine for concrete production, it puts on the base to carry the storehouse to be the slope form fixed bolster through first spring, and first vibrating motor fixed mounting is on carrying the storehouse, and mated pivot movable mounting is in carrying the storehouse, is provided with the oblique flight that is the spiral and arranges in mated pivot respectively, and the epaxial oblique flight spiral of rotating in pairs is to opposite, has seted up first feed inlet and first discharge gate on carrying the storehouse, and motor fixed mounting is on carrying the storehouse to be connected with mated pivot transmission, support fixed mounting is on the base, and first air-blower fixed mounting is on the support, and first tuber pipe is linked together with the air outlet of first air-blower, has seted up the first wind gap that is row on first tuber pipe, has seted up into the wind gap on the roof of carrying the storehouse, the utility model discloses the advantage is: the yellow sand is pre-dried while being screened, so that the workload of subsequent drying equipment is effectively reduced, the drying speed is increased, and the production efficiency is improved.

Description

Sand screening machine for concrete production

Technical Field

The utility model relates to a technical field of equipment for concrete production, the more specifically technical field who relates to sand sieving machine that says so.

Background

The concrete mixing plant is a combined device for intensively mixing concrete, is also called as a concrete precast yard, has high productivity due to high mechanization and automation degree, can ensure the quality of the concrete and save cement, and is commonly used for large-scale and medium-scale water conservancy, electric power, bridge and other projects with large concrete engineering quantity, long construction period and centralized construction sites. The yellow sand is one of aggregates required by concrete production, the yellow sand needs to be screened firstly in the production process of the concrete, then the yellow sand is dried and then can be used, and the sand screening machine is equipment required by the yellow sand screening, however, the common sand screening machine at present has the following defects: firstly, a plurality of caking yellow sands are mixed in the yellow sand raw material, and when the yellow sands are screened, the caking yellow sands can directly and rapidly roll out from a screen of a sand screening machine, so that a certain yellow sand resource waste is caused; secondly, traditional sand sieving machine does not have the stoving function, consequently in the stoving step of follow-up, drying equipment's work load is great to lead to the stoving speed slower, reduced the production efficiency of concrete.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the above-mentioned not enough and providing a can avoid the direct roll-out of yellow sand of caking to cause the waste to have the stoving function in advance, can improve production efficiency's sand sieving machine for concrete production.

The utility model discloses a solve above-mentioned technical problem and the technical solution who adopts as follows:

a sand screening machine for concrete production comprises a base, a support, a third corrugated pipe, a first air blower, a first air pipe, a second air blower, a second air pipe, a vertical pipe, a conical cover, a crushing mechanism and a screening mechanism, wherein the crushing mechanism comprises a conveying bin, a first spring, a first vibrating motor, a paired rotating shaft and a motor, the conveying bin is fixedly arranged on the base in an inclined shape through the first spring, the first vibrating motor is fixedly arranged on the conveying bin, the paired rotating shaft is movably arranged in the conveying bin, inclined shoveling plates which are spirally arranged are respectively arranged on the paired rotating shaft, the spiral directions of the inclined shoveling plates on the paired rotating shaft are opposite, a first feeding hole and a first discharging hole are formed in the conveying bin, the motor is fixedly arranged on the conveying bin and is in transmission connection with the paired rotating shaft, the support is fixedly arranged on the base, the first air blower is fixedly arranged on the support, the first air pipe is communicated with an air outlet of the first air blower, the first air pipe is provided with first exhaust openings in rows, the top wall of the conveying bin is provided with an air inlet, the air inlet is respectively communicated with the first exhaust openings through first corrugated pipes, the screening mechanism comprises a screening bin, a second spring and a second vibrating motor, the screening bin is fixedly arranged on the base in an inclined manner through the second spring, the second vibrating motor is fixedly arranged on the screening bin, the screening bin is provided with a second feed inlet and a second discharge outlet, the second feed inlet of the screening bin is communicated with the first discharge outlet of the conveying bin through a third corrugated pipe, the bottom wall of the screening bin is provided with a sieve hole, a discharge bin is arranged below the sieve hole of the screening bin, the discharge ports are arranged on the discharge bin, the vertical pipes are respectively fixedly penetrated in the screening bin, the conical cover is fixedly arranged at the top of the vertical pipe through a support rod, the second air blower is fixedly arranged on the base, the second air pipe is communicated with an air outlet of the second air blower, a second air outlet which is arranged is formed in the second air pipe, and the second air outlet is communicated with the vertical pipe through a second corrugated pipe respectively.

The screening machine is characterized in that a first support column is arranged on the base, the lower end part of a first spring is fixed on the first support column, a first bracket is arranged on the conveying bin, the first bracket is fixedly arranged at the upper end part of the first spring, a second support column is arranged on the base, the lower end part of a second spring is fixed on the second support column, a second bracket is arranged on the screening bin, and the second bracket is fixedly arranged at the upper end part of the second spring.

The paired rotating shafts are movably arranged in the conveying bin through bearings, gears are respectively arranged at one end parts of the paired rotating shafts, the gears on the paired rotating shafts are meshed with each other, the motor is fixedly arranged on the conveying bin through a support plate, and the motor is in transmission connection with one of the rotating shafts through a coupler.

The utility model adopts the beneficial effect that above-mentioned technical solution can reach is:

1. the utility model discloses a sand sieving machine for concrete production is at the during operation, in discharging into the transport storehouse with yellow sand from first feed inlet, rotate through motor drive mated pivot, stir the yellow sand breakage through the epaxial oblique flight in pairs, smash the yellow sand of caking, because oblique flight is the spiral and arranges, consequently in the broken while of stirring, carry the yellow sand, meanwhile, carry the storehouse through a vibrating motor drive and vibrate, further shake the yellow sand of caking and break, thereby avoid directly rolling out at the yellow sand of the in-process caking of screening and cause the waste.

2. When carrying out broken transport and screening to yellow sand, communicate heat sources such as with stoving kilns respectively with the air intake of first air-blower and second air-blower, blast air respectively through first air-blower and second air-blower, carry the hot-air that the heat source produced to transport the storehouse and sieve the storehouse in, dry to yellow sand to when sieving to yellow sand carry out the predrying to it, effectively reduced the work load of sequent drying equipment, accelerated drying speed, improved production efficiency.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

fig. 4 is a partially enlarged schematic view of C in fig. 1.

Detailed Description

Shown by figure 1, sand sieving machine for concrete production, it is including base 1, support 2, third bellows 3, first air-blower 4, first tuber pipe 5, second air-blower 6, second tuber pipe 7, standpipe 8, conical cover 9, broken mechanism and screening mechanism, broken mechanism is including carrying storehouse 10, first spring 11, first vibrating motor 12, mated pivot 13 and motor 14, carries storehouse 10 to be the slope form fixed frame through first spring 11 and puts on base 1, carries storehouse 10, first spring 11 and base 1's concrete connection as follows: the base 1 is provided with a first support 15, the lower end of the first spring 11 is fixed to the first support 15, the transport bin 10 is provided with a first bracket 16, and the first bracket 16 is fixedly mounted on the upper end of the first spring 11. As shown in fig. 2, the first vibration motor 12 is fixedly mounted on the conveying bin 10, the paired rotating shafts 13 are movably mounted in the conveying bin 10 through bearings 17, the paired rotating shafts 13 are respectively provided with inclined shoveling plates 18 arranged spirally, the spiral directions of the inclined shoveling plates 18 on the paired rotating shafts 13 are opposite, the conveying bin 10 is provided with a first feeding port 19 and a first discharging port 20, the motor 14 is fixedly mounted on the conveying bin 10 through a supporting plate 43 and is in transmission connection with the paired rotating shafts 13, and the specific transmission connection relationship between the paired rotating shafts 13 and the motor 14 is as follows: gears 21 are respectively arranged at one end parts of the paired rotating shafts 13, the gears 21 on the paired rotating shafts 13 are meshed with each other, and the motor 14 is in transmission connection with one rotating shaft 13 through a coupling 22. The support 2 is fixedly mounted on the base 1, the first air blower 4 is fixedly mounted on the support 2, the first air duct 5 is communicated with an air outlet 23 of the first air blower 4, as shown in fig. 3, a first exhaust opening 24 which is arranged is formed in the first air duct 5, an air inlet 25 is formed in the top wall of the conveying bin 10, and the air inlet 25 is communicated with the first exhaust opening 24 through a first corrugated pipe 26.

Screening mechanism is including screening storehouse 27, second spring 28 and second vibrating motor 29, and screening storehouse 27 is the fixed frame of slope form through second spring 28 and puts on base 1, and the concrete relation of connection of screening storehouse 27, second spring 28 and base 1 is as follows: the base 1 is provided with a second support 30, the lower end of the second spring 28 is fixed to the second support 30, the screening bin 27 is provided with a second bracket 31, and the second bracket 31 is fixedly mounted on the upper end of the second spring 28. Second vibrating motor 29 fixed mounting has seted up second feed inlet 32 and second discharge gate 33 on screening storehouse 27, and second feed inlet 32 of screening storehouse 27 is linked together through third bellows 3 and the first discharge gate 20 of carrying storehouse 10, has seted up sieve mesh 34 on the diapire of screening storehouse 27, is provided with bin 35 of arranging below sieve mesh 34 of screening storehouse 27, has seted up bin 36 on bin 35 of arranging. As shown in fig. 4, the vertical pipes 8 are respectively fixed in the discharging bin 35, the conical covers 9 are fixedly mounted on the top of the vertical pipes 8 through the supporting rods 37, the second air blower 6 is fixedly mounted on the base 1, the second air pipes 7 are communicated with the air outlets 38 of the second air blower 6, the second air pipes 7 are provided with second air outlets 39, which are arranged in rows, and the second air outlets 39 are respectively communicated with the vertical pipes 8 through the second corrugated pipes 40.

When the sand sieving machine for concrete production works, the yellow sand is discharged into the conveying bin 10 from the first feed port 19, the paired rotating shafts 13 are driven to rotate by the motor 14, the yellow sand is stirred and crushed by the inclined shovelling plates 18 on the paired rotating shafts 13, and the agglomerated yellow sand is crushed, because the inclined shovelling plates 18 are spirally arranged, when the yellow sand is stirred and crushed, the yellow sand is conveyed, meanwhile, the conveying bin 10 is driven to vibrate by the first vibration motor 12, the caked yellow sand is further shattered by vibration, then the yellow sand is discharged from the first discharge port 20 and discharged into the screening bin 27 from the second feed port 32, the screening bin 27 is vibrated by the second vibration motor 29, screening the yellow sand to discharge impurities such as stones in the yellow sand from the second discharge port 33, and discharging the screened yellow sand from the screen holes 34 into the discharge bin 35 and the discharge port 36. When carrying out crushing transport and screening to the yellow sand, communicate heat source such as with drying kiln respectively with air intake 41 of first air-blower 4 and air intake 42 of second air-blower 6, blast air respectively through first air-blower 4 and second air-blower 6, carry the hot-air that the heat source produced to transport in storehouse 10 and the screening storehouse 27, dry the yellow sand, the effect that conical cover 9 on the second tuber pipe 7 played is in avoiding falling into standpipe 8 from sieve mesh 34 in the yellow sand that falls.

Claims

1. Sand screening machine is used in concrete production, its characterized in that: the crushing mechanism comprises a conveying bin, a first spring, a first vibrating motor, paired rotating shafts and a motor, wherein the conveying bin is fixedly arranged on the base in an inclined manner through the first spring, the first vibrating motor is fixedly arranged on the conveying bin, the paired rotating shafts are movably arranged in the conveying bin, inclined shoveling plates which are spirally arranged are respectively arranged on the paired rotating shafts, the spiral directions of the inclined shoveling plates on the paired rotating shafts are opposite, a first feeding hole and a first discharging hole are formed in the conveying bin, the motor is fixedly arranged on the conveying bin and is in transmission connection with the paired rotating shafts, the support is fixedly arranged on the base, the first air blower is fixedly arranged on the support, the first air pipe is communicated with an air outlet of the first air blower, the screening mechanism comprises a screening bin, a second spring and a second vibrating motor, the screening bin is fixedly arranged on the base in an inclined manner through the second spring, the second vibrating motor is fixedly arranged on the screening bin, a second feed port and a second discharge port are formed in the screening bin, the second feed port of the screening bin is communicated with the first discharge port of the conveying bin through a third bellows, a sieve mesh is formed in the bottom wall of the screening bin, a discharge bin is arranged below the sieve mesh of the screening bin, a discharge port is formed in the discharge bin, vertical pipes are respectively and fixedly arranged in the discharge bin in a penetrating manner, a conical cover is fixedly arranged at the tops of the vertical pipes through supporting rods, a second air pipe is fixedly arranged on the base, and the second air outlet of the second air blower is communicated with the air outlet of the second air blower, and a second air outlet is arranged on the second air pipe and is communicated with the vertical pipe through a second corrugated pipe respectively.

2. The sand sieving machine for concrete production according to claim 1, characterized in that: the screening machine is characterized in that a first support column is arranged on the base, the lower end part of a first spring is fixed on the first support column, a first bracket is arranged on the conveying bin, the first bracket is fixedly arranged at the upper end part of the first spring, a second support column is arranged on the base, the lower end part of a second spring is fixed on the second support column, a second bracket is arranged on the screening bin, and the second bracket is fixedly arranged at the upper end part of the second spring.

3. A sand screening machine for concrete production according to claim 1 or 2, characterized in that: the paired rotating shafts are movably arranged in the conveying bin through bearings, gears are respectively arranged at one end parts of the paired rotating shafts, the gears on the paired rotating shafts are meshed with each other, the motor is fixedly arranged on the conveying bin through a support plate, and the motor is in transmission connection with one of the rotating shafts through a coupler.