阅读说明：本技术 一种立式旋转筛沙机 (Vertical rotary sand screening machine ) 是由 薛锋雷 于 2019-11-08 设计创作，主要内容包括：一种立式旋转筛沙机,包括呈纵向布置的圆柱体筛沙机体以及转动安装在所述筛沙机体内部用于筛沙的螺旋筛网,所述筛沙机体的顶部中间位置处固定安装有旋转电机,所述旋转电机与外部电源电性连接,所述旋转电机的输出端固定连接有减速机,所述减速机的输出端贯穿所述筛沙机体固定连接有筛网轴,所述筛网轴沿所述筛沙机体的轴向设置于所述筛沙机体的内部,所述螺旋筛网固定安装在所述筛网轴的外侧壁上；通过本立式结构的筛沙机,内部独特的多层螺旋筛网,可以在占地面积较小的情况下,完成对沙石的筛选分级工作,且螺旋筛网在旋转的同时,会上下震动,筛沙效率较高,利于在小面积情况下使用。(A vertical rotary sand screening machine comprises a cylindrical sand screening machine body and a spiral screen, wherein the cylindrical sand screening machine body is longitudinally arranged, the spiral screen is rotatably installed inside the sand screening machine body and used for screening sand, a rotary motor is fixedly installed at the middle position of the top of the sand screening machine body and electrically connected with an external power supply, the output end of the rotary motor is fixedly connected with a speed reducer, the output end of the speed reducer penetrates through the sand screening machine body and is fixedly connected with a screen shaft, the screen shaft is arranged inside the sand screening machine body along the axial direction of the sand screening machine body, and the spiral screen is fixedly installed on the outer side wall of the screen shaft; through the sand screening machine of this vertical structure, inside unique multilayer spiral screen cloth can accomplish the screening classification work to gravel and sand under the less condition of area, and spiral screen cloth can shake from top to bottom in the rotation, and the efficiency of screening sand is higher, does benefit to and uses under the small size condition.)

1. The vertical rotary sand screening machine is characterized by comprising a cylindrical sand screening machine body (1) which is longitudinally arranged and a spiral screen (4) which is rotatably arranged and is used for screening sand and arranged inside the sand screening machine body (1), wherein a rotary motor (2) is fixedly arranged at the middle position of the top of the sand screening machine body (1), the rotary motor (2) is electrically connected with an external power supply, a speed reducer (21) is fixedly connected with the output end of the rotary motor (2), the output end of the speed reducer (21) penetrates through a screen shaft (22) fixedly connected with the sand screening machine body (1), the screen shaft (22) is arranged inside the sand screening machine body (1) along the axial direction of the sand screening machine body (1), the spiral screen (4) is fixedly arranged on the outer side wall of the screen shaft (22), and a telescopic motor (3) is fixedly arranged at the middle position of the bottom of the sand screening machine body (1), the output of flexible motor (3) pass through shaft coupling (31) with screen cloth axle (22) fixed connection, spiral screen cloth (4) are including first screen cloth (4a), second screen cloth (4b) and third screen cloth (4c) from top to bottom parallel distribution, sieve mesh (401) have all been seted up on first screen cloth (4a), second screen cloth (4b) and third screen cloth (4c), just on first screen cloth (4a), second screen cloth (4b) and third screen cloth (4c) sieve mesh (401) aperture from top to bottom reduces in proper order.

2. The vertical rotary sand screening machine according to claim 1, wherein a motor shaft (201) is fixed at the output end of the speed reducer (21), six shaft keys (202) are uniformly distributed on the outer side wall of the bottom end of the motor shaft (201), and the shaft keys (202) are fixedly connected with the motor shaft (201).

3. The vertical rotary sand screening machine according to claim 2, wherein a slot (221) is formed in the top of the screen shaft (22), the motor shaft (201) is inserted and fixed in the slot (221), a sliding groove matched with the shaft key (202) is formed in the inner side wall of the slot (221), and the motor shaft (201) and the screen shaft (22) are circumferentially fixed and axially slide.

4. A vertical rotary sand screen according to claim 3, wherein the clearance between the motor shaft (201) and the bottom of the slot (221) is larger than the stroke of the telescopic motor (3) for up and down extension, so as to prevent the slot (221) from colliding with the motor shaft (201) during the matching process.

5. The vertical rotary sand screen according to claim 1, wherein a feeding hopper (11) penetrating through the sand screen body (1) is arranged at the top of the sand screen body (1), the feeding hopper (11) is fixedly connected with the sand screen body (1), and symmetrically distributed supporting legs (12) are fixedly arranged at the bottom of the sand screen body (1).

6. The vertical rotary sand screening machine according to claim 1, wherein the outer side wall of the sand screening machine body (1) is provided with a discharge port (13), the discharge port (13) comprises a first discharge port (131), a second discharge port (132) and a third discharge port (133), and the inner side walls of the first discharge port (131), the second discharge port (132) and the third discharge port (133) are respectively provided with a material receiving platform matched with the first screen (4a), the second screen (4b) and the third screen (4c), so that the spiral screen (4) conveys materials out of the discharge port (13) in the rotation process.

Technical Field

The invention relates to the field of concrete recovery, in particular to a vertical rotary sand screening machine.

Background

The construction waste refers to construction waste generated by human or natural reasons in engineering, and comprises waste residue soil, waste soil, residual mud, waste materials and the like, which are not helpful to the construction per se but are substances generated in the construction process, and the substances need to be treated correspondingly, so that the ideal construction project construction can be achieved.

The existing sand screening machines are usually provided with a rectangular screen mesh type sand screening machine and a roller screen mesh type sand screening machine, the rectangular screen mesh type sand screening machine and the roller screen mesh type sand screening machine are beneficial to grading sand and stone, but the rectangular screen mesh type sand screening machine and the roller screen mesh type sand screening machine are transversely arranged, so that the occupied area is large, and the rectangular screen mesh type sand screening machine and the roller screen mesh type sand screening machine cannot be arranged on a small area for.

Disclosure of Invention

In order to overcome the problems raised by the technical background, the invention provides a vertical rotary sand screening machine.

The technical scheme of the invention is as follows: the utility model provides a vertical rotatory sand screening machine, is installed including the cylinder screening sand body and the rotation that are longitudinal arrangement the inside spiral screen cloth that is used for the screening sand of screening sand body, the top intermediate position department fixed mounting of screening sand body has the rotating electrical machines, rotating electrical machines and external power source electric connection, the output fixedly connected with speed reducer of rotating electrical machines, the output of speed reducer runs through screening sand body fixedly connected with screen shaft, the screen shaft is followed the axial of screening sand body set up in the inside of screening sand body, spiral screen cloth fixed mounting be in on the lateral wall of screen shaft, the bottom intermediate position department of screening sand body still fixed mounting has flexible motor, the output of flexible motor pass through the shaft coupling with screen shaft fixed connection, spiral screen cloth includes the first screen cloth of from top to bottom parallel distribution, The screen cloth is characterized by comprising a second screen cloth and a third screen cloth, wherein screen holes are formed in the first screen cloth, the second screen cloth and the third screen cloth, and the screen hole diameters of the screen holes on the first screen cloth, the second screen cloth and the third screen cloth are reduced from top to bottom in sequence.

Preferably, a motor shaft is fixed at the output end of the speed reducer, six shaft keys are uniformly distributed on the outer side wall of the bottom end of the motor shaft, and the shaft keys are fixedly connected with the motor shaft.

Preferably, the top of the screen shaft is provided with a slot, the motor shaft is fixedly inserted into the slot, a chute matched with the shaft key is formed in the inner side wall of the slot, and the motor shaft is circumferentially fixed with the screen shaft and axially slides.

Preferably, the clearance between the motor shaft and the bottom of the slot is larger than the up-down telescopic stroke of the telescopic motor, so that the slot and the motor shaft are prevented from being impacted in the matching process.

Preferably, the top of the sand screening machine body is provided with a feeding hopper penetrating through the sand screening machine body, the feeding hopper is fixedly connected with the sand screening machine body, and the bottom of the sand screening machine body is fixedly provided with symmetrically distributed supporting legs.

Preferably, be equipped with the discharge gate on the lateral wall of the screening sand machine body, the discharge gate includes first discharge gate, second discharge gate and third discharge gate, be equipped with respectively on the inside wall of first discharge gate, second discharge gate and third discharge gate with first screen cloth, second screen cloth and third screen cloth complex connect the material platform to make the spiral screen cloth follow the material is in the rotation process the discharge gate is carried away.

Compared with the prior art, the invention has the beneficial effects that:

through the sand screening machine of this vertical structure, inside unique multilayer spiral screen cloth can accomplish the screening classification work to gravel and sand under the less condition of area, and spiral screen cloth can shake from top to bottom in the rotation, and the efficiency of screening sand is higher, does benefit to and uses under the small size condition.

Drawings

Fig. 1 is a schematic structural diagram of a vertical rotary sand screening machine according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a spiral screen according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of the spiral screen in the embodiment of the present invention.

In the above fig. 1-3, 1, the sand screening machine body; 11. a feeding hopper; 12. supporting legs; 13. a discharge port; 131. a first discharge port; 132. a first discharge port; 133. a first discharge port; 2. a rotating electric machine; 201. a motor shaft; 202. a shaft key; 21. a speed reducer; 22. a screen shaft; 221. a slot; 3. a telescopic motor; 31. a coupling; 4. a spiral screen; 4a, a first screen; 4b, a second screen; 4c, a third screen; 401. and (4) screening holes.

The specific implementation mode is as follows:

the invention is further described below with reference to the accompanying drawings.