CN211195043U - A sand and gravel separator - Google Patents

Abstract

The utility model discloses a sand-stone separator, belonging to the technical field of sand-stone separation equipment, which comprises a bracket, wherein a blanking hopper is fixedly connected on the bracket, a conveying pipe is fixedly connected at the position of the bracket near the lower end opening of the blanking hopper, the conveying pipe is communicated with the blanking hopper, a conveying auger is rotatably connected in the conveying pipe, a plurality of through holes are arranged on the blade of the conveying auger, the conveying pipe is fixedly connected with a conveying motor, and the conveying auger is fixedly connected on the output shaft of the conveying motor; the discharge gate has been seted up to the conveyer pipe, and the position department that the conveyer pipe is close to the discharge gate rotates and is connected with two squeeze rolls, and the equal fixedly connected with in two squeeze roll outsides absorbs water the layer, the utility model discloses thereby have carry out the effect that secondary separation is carried out to the surplus moisture in the grit more effectual grit and water separation at the unloading in-process.

Description

A sand and gravel separator

technical field

The utility model relates to the technical field of sand and gravel separation equipment, in particular to a sand and gravel separator.

Background technique

At present, the sand and gravel separator is the core equipment of the concrete recycling system. It is mainly used to clean, separate and recycle the sand and gravel in the residual concrete and the sewage of the tank truck. During the use of the concrete sand and gravel separator, the concrete mortar passes through the feed The tank enters the separator. Concrete is relatively thick and viscous. Once the work is blocked or there is residual concrete solidified in the pipeline after the work is completed due to incomplete transportation, it will affect the normal operation of the concrete recycling system.

The prior art can refer to the Chinese utility model patent with the authorization announcement number CN204051875U, which discloses a feeding chute for a concrete sand and gravel separator, including a support seat and a tank body; the tank body is fixedly arranged on the support seat, and the tank body is , The rear guard plate is composed of two side plates and a bottom plate. The whole tank body has a large upper opening and a small bottom bottom. The front guard plate of the tank body is lower than the rear guard plate, and a steel pipe grating is horizontally arranged along the front guard plate in the tank body. Sieve the concrete.

The prior art scheme in the above has the following defects: the current concrete sand and gravel separator generally only separates the sand and water once, because the degree of fusion of the sand and water after the concrete is stirred is relatively high, and it is difficult to achieve an effective separation of the concrete once. The separation of the two results in a poor separation effect, and it is difficult to grasp the allocation ratio during secondary use, and a more efficient sand and gravel separator is lacking.

Utility model content

The purpose of the utility model is to provide a sand and gravel separator, which can perform secondary separation of the remaining water in the sand and gravel during the cutting process, thereby improving the separation effect of the sand and gravel and water.

The above-mentioned technical purpose of the present utility model is achieved through the following technical solutions:

A sand and gravel separator includes a bracket, a lower hopper is fixedly connected to the bracket, and a conveying pipe inclined upward from one end close to the lower hopper to the direction away from the lower hopper is fixedly connected at the position of the bracket close to the lower port of the lower hopper. The pipe is communicated with the lower hopper, the conveying pipe is rotatably connected with a conveying auger arranged along the length direction of the conveying pipe, the blades of the conveying auger are provided with a plurality of through holes, and one end of the conveying pipe away from the lower hopper is fixedly connected with a conveying motor. The conveying auger is fixedly connected to the output shaft of the conveying motor; one end of the bottom surface of the conveying pipe away from the lower hopper is provided with a discharge port, and the position of the conveying pipe close to the discharge port is rotatably connected with two extruders arranged along the width direction of the conveying pipe. Pressing roller, two pressing rollers are arranged side by side along the length direction of the conveying pipe, and a water-absorbing layer is fixedly connected to the outside of the two pressing rollers, and the water-absorbing layer is made of soft and highly water-absorbing material. The layers can abut each other.

By adopting the above scheme, when in use, concrete and water are added from the lower hopper, and the conveying motor is started. The stone will be transported to the end of the conveying auger away from the lower hopper. At this time, the sand and gravel are driven by the conveying auger to squeeze toward the discharge port and drive the extrusion rollers to rotate oppositely. During the rotation process, the sand and gravel can be squeezed and transported out of the conveying pipe. At the same time, the water absorbing layer will absorb the residual moisture in the sand and gravel, so as to facilitate the unloading and secondary drying.

The utility model is further configured as follows: the positions of the conveying pipe corresponding to both sides of the two squeeze rollers are rotatably connected with dehydration rollers arranged along the length direction of the squeeze rollers, and the side walls of the dewatering rollers and the adjacent squeeze roller side walls are connected in rotation. The distance is less than the thickness of the water-absorbing layer.

By adopting the above scheme, the water absorption layer absorbs the water in the sand, the water absorption part will rotate to the position of the dehydration roller with the rotation of the squeeze roller, the dehydration roller and the squeeze roller will squeeze the water absorption layer, and the water absorption layer will remove the water Discharge, easy to switch back to absorb water.

The utility model is further configured as follows: the positions of the conveying pipe corresponding to the lower parts of the two extrusion rollers are fixedly connected with a blanking baffle set along the length direction of the extrusion rollers, and the top surface of the blanking baffle and the side wall of the extrusion roller are fixedly connected. The distance is equal to the thickness of the absorbent layer.

By adopting the above solution, the setting of the blanking baffle can reduce the probability that the sand and gravel are too dispersed, limit the blanking space of the sand and gravel, and use the blanking baffle to remove the sand attached to the water-absorbing layer. The stone scraped off and fell from between the two blanking baffles.

The utility model is further configured as follows: the side walls of the blanking baffles away from each other are fixedly connected with water guide plates, and the water guide plates are inclined downward from one end close to the blanking baffle to the direction away from the blanking baffle.

By adopting the above solution, the water deflector can guide the water squeezed by the dewatering roller away from the feeding baffle, thereby reducing the probability of water droplets re-attaching to the sand and gravel at the position between the feeding baffles .

The utility model is further configured as follows: a drive shaft arranged along the length direction of the support is rotatably connected at one side of the support corresponding to the discharge port, and a side of the support corresponding to the discharge port away from the drive shaft is rotatably connected with a drive shaft along the drive shaft. The driven shaft is arranged in the length direction, the driving shaft and the outer side of the driven shaft are sleeved together with a crawler, the width of the crawler is greater than or equal to the width between the two blanking baffles, and a drive motor is fixedly connected at the position of the bracket close to one end of the driving shaft , the driving shaft is fixedly connected to the output shaft of the drive motor.

By adopting the above solution, when the sand and gravel fall from between the two blanking baffles, they will fall on the crawler, and will be transported by the crawler for unloading and stacking. The advantage of using the crawler for transportation is that the sand and gravel can be transported to a suitable location Stacking is carried out to reduce the complexity of the operation steps of stacking and transporting nearby.

The utility model is further arranged as follows: the positions of the bracket corresponding to the two sides of the upper surface of the crawler are rotatably connected with a plurality of vertically arranged auxiliary shafts, and the auxiliary shafts located on the same side of the crawler are arranged in an array along the length direction of the crawler, located on both sides of the crawler. The distance between the two auxiliary shafts, which is relatively unknown, is less than the width of the track.

By adopting the above solution, the auxiliary shaft can be arranged to roll up both sides of the upper surface of the crawler track to form a groove, which can effectively reduce the probability of waste caused by the sand and gravel slipping from both sides of the crawler track during the transportation of the crawler track.

The utility model is further arranged as follows: a collecting box is fixedly connected at a position below one end of the support corresponding to the crawler belt, and a box opening is provided on the top of the collecting box.

By adopting the above solution, during the collection of sand and gravel, the conveyor belt is adjusted to slide toward the collection box, so that the sand and gravel can be transported into the collection box for centralized collection, which is convenient for subsequent transportation.

The utility model is further provided that: the end wall of the collection box away from the driving shaft is slidably connected with a vertically arranged push plate, the push plate can slide along the length direction of the collection box, and the push plate can cover the longitudinal section inside the collection box.

By adopting the above solution, the setting of the push plate can squeeze the sand and gravel in the collection box, so as to ensure the compactness of the sand and gravel in the collection box, so that the collection box can collect as much sand and gravel as possible.

The utility model is further arranged as follows: the end wall of the collection box away from the driving shaft is fixedly connected with the cylinder body of the material pushing cylinder, the piston rod of the material pushing cylinder is arranged along the length direction of the collection box, and the pushing plate is fixedly connected to the piston of the material pushing cylinder on the rod.

By adopting the above scheme, when the push plate needs to be pushed, the push-pull cylinder is activated to drive the push plate to slide, which can not only provide enough force to the sand and gravel to squeeze the sand and gravel, but also ensure the efficient sand and gravel extrusion operation. Avoid affecting the subsequent sand and gravel cutting.

To sum up, the utility model has the following beneficial effects:

1. The secondary dewatering operation of sand and gravel can be realized in the blanking stage;

2. It can easily transport the sand and gravel to a suitable location for collection and stacking;

3. The stacked sand and gravel can be squeezed, so as to ensure the concentrated accumulation of sand and gravel and reduce the space requirement.

Description of drawings

Fig. 1 is the overall schematic diagram of this embodiment;

Figure 2 is a partial cross-sectional view of the protruding lower hopper structure in the embodiment;

3 is a partial cross-sectional view of the structure of the protruding squeeze roller in the embodiment;

4 is a partial cross-sectional view of the protruding track structure in the embodiment.

In the figure, 1, bracket; 11, lower hopper; 12, conveying pipe; 121, conveying auger; 122, through hole; 123, conveying motor; 124, discharge port; 125, extrusion roller; 1251, extrusion motor ; 1252, water absorption layer; 1253, dewatering roller; 126, drain pipe; 127, drain filter; 13, blanking baffle; 131, water guide plate; 14, driving shaft; 141, driving motor; 142, driven shaft ; 143, crawler; 144, auxiliary shaft; 15, collection box; 151, box mouth; 152, push plate; 153, push cylinder.

Detailed ways

Example: a sand and gravel separator, as shown in Figures 1 and 2, includes a bracket 1, a lower hopper 11 for feeding is fixedly connected to the bracket 1, and the bracket 1 is fixedly connected at a position close to the lower port of the lower hopper 11 There is a conveying pipe 12 for separating sand and water from an end close to the lower hopper 11 and inclined upward in a direction away from the lower hopper 11 . When in use, the concrete that needs to be separated is added from the lower hopper 11 to the conveying pipe 12 and an appropriate amount of water is added to achieve the effect of separating sand and water.

As shown in FIG. 1 and FIG. 2 , the conveying pipe 12 is communicated with the lower hopper 11 . The conveying auger 121 is rotatably connected to the conveying auger 121 along the length of the conveying pipe 12 . The blades of the conveying auger 121 are provided with a plurality of A conveying motor 123 is fixedly connected to the through hole 122 and one end of the conveying pipe 12 away from the lower hopper 11 , and the conveying auger 121 is fixedly connected to the output shaft of the conveying motor 123 . A discharge port 124 is provided at one end of the bottom surface of the conveying pipe away from the lower hopper. A drain pipe 126 is fixedly connected to one end of the conveying pipe 12 close to the lower hopper 11 , and a drain filter 127 capable of covering the drain pipe 126 is fixedly connected to the drain pipe 126 . After the separated water falls back to the end of the conveying pipe 12 close to the lower hopper 11 , it will be discharged from the drain pipe 126 .

As shown in FIG. 2 and FIG. 3 , two squeezing rollers 125 arranged along the width direction of the conveying pipe 12 are rotatably connected to the position of the conveying pipe 12 close to the discharge port 124 . Directions are set side by side. A water-absorbing layer 1252 is fixedly connected to the outer sides of the two squeezing rollers 125, and the water-absorbing layer 1252 is made of soft and highly water-absorbing materials such as sponge. The water-absorbing layers 1252 on the two squeezing rollers 125 can abut against each other. When the sand and gravel are transported to the position of the conveying pipe 12 near the discharge port 124 , the sand and gravel are transported by the conveying auger 121 to drive the two squeeze rollers 125 to rotate relative to each other, and the sand and gravel are discharged from between the two squeeze rollers 125 . The water absorbing layer 1252 will absorb the residual moisture in the sand during the cutting process.

As shown in FIG. 2 and FIG. 3 , the positions of the conveying pipe 12 corresponding to both sides of the two squeezing rollers 125 are rotatably connected with dewatering rollers 1253 arranged along the length direction of the squeezing rollers 125, and the side walls of the dewatering rollers 1253 are adjacent to the squeezing rollers 1253. The distance between the side walls of the pressing rollers 125 is smaller than the thickness of the water-absorbing layer 1252 . After the water-absorbing layer 1252 absorbs water, it rotates to a position close to the dewatering roller 1253. The dewatering roller 1253 and the squeezing roller 125 squeeze the water-absorbing layer 1252 to squeeze out the water in the water-absorbing layer 1252. Continue to rotate to absorb water.

As shown in FIG. 2 and FIG. 3 , the positions of the conveying pipe 12 corresponding to the positions below the two squeezing rollers 125 are fixedly connected with the blanking baffles 13 arranged along the length direction of the squeezing rollers 125 . The top surface of the blanking baffles 13 is connected to the The distance between the side walls of the squeezing rollers 125 is equal to the thickness of the water-absorbing layer 1252 . The side walls of the blanking baffles 13 away from each other are fixedly connected with water guide plates 131 . When cutting and absorbing water, the two blanking baffles 13 will scrape off the sand and gravel attached to the water absorbing layer 1252 and ensure that the sand and gravel fall from the position between the two blanking baffles 13, and the water guide plate 131 This ensures that the water squeezed by the dewatering roller 1253 can flow away from the sand and gravel, thereby reducing the probability of water re-attaching to the sand and gravel.

As shown in FIG. 3 and FIG. 4 , a drive shaft 14 disposed along the length direction of the support 1 is rotatably connected to one side of the bracket 1 corresponding to the discharge port 124 , and the support 1 corresponds to the bottom of the discharge port 124 away from the drive shaft 14 A driven shaft 142 disposed along the length direction of the driving shaft 14 is rotatably connected to one side. The driving shaft 14 and the driven shaft 142 are jointly sleeved with a crawler belt 143. The width of the crawler belt 143 is greater than the width between the two blanking baffles 13. A drive motor 141 is fixedly connected to the bracket 1 near one end of the driving shaft 14. The shaft 14 is fixedly connected to the output shaft of the drive motor 141 . A collecting box 15 is fixedly connected to a position below one end of the crawler 143 corresponding to the bracket 1 , and a box opening 151 is opened on the top of the collecting box 15 . After the gravel falls, it will fall on the crawler belt 143 and be transported to the collection box 15 by the crawler belt 143, which is convenient for centralized collection and storage.

As shown in FIGS. 3 and 4 , a plurality of vertically arranged auxiliary shafts 144 are rotatably connected to positions on both sides of the upper surface of the crawler belt 143 corresponding to the bracket 1 , and the auxiliary shafts 144 located on the same side of the crawler belt 143 are all along the length of the crawler belt 143 . Direction array settings. The distance between two relatively unknown auxiliary shafts 144 located on both sides of the crawler belt 143 is smaller than the width of the crawler belt 143 . The auxiliary shaft 144 can lift up both sides of the crawler belt 143 at its corresponding position, so as to limit the sand and gravel to the middle of the crawler belt 143 , and reduce the probability of waste caused by the sand and gravel falling from both sides of the crawler belt 143 .

Referring back to FIGS. 1 and 2 , a vertically disposed push plate 152 is slidably connected to the end wall of the collection box 15 away from the driving shaft 14 , and the push plate 152 can cover the longitudinal section inside the collection box 15 . The end wall of the collection box 15 away from the driving shaft 14 is fixedly connected with the cylinder body of the material pushing cylinder 153 , the piston rod of the material pushing cylinder 153 is arranged along the length direction of the collection box 15 , and the pushing plate 152 is fixedly connected to the piston of the material pushing cylinder 153 on the rod. After the sand and gravel fall into the collection box 15 , the pusher cylinder 153 is activated to drive the push plate 152 to slide to squeeze the sand and gravel, so as to collect and store as much sand and gravel as possible in the collection box 15 .

How to use, when using, add water and concrete that needs to be separated from sand and gravel into the lower hopper 11, and start the conveying motor 123 to drive the conveying auger 121 to convey the concrete to the discharge port 124. During the conveying process, the water will flow through the hole. 122 falls back to the position of the lower hopper 11 and is discharged, the sand and gravel will reach the discharge port 124, and the sand and gravel will drive the squeeze roller 125 to rotate, and the sand and gravel will be unloaded, and the water-absorbing layer 1252 will remove the remaining sand and gravel during the process. The water is sucked out, and the sand and gravel fall on the crawler belt 143 and are transported to the collection box 15. During this process, the water in the water-absorbing layer 1252 will be squeezed and discharged by the dehydrating roller 1253 when the water-absorbing layer 1252 passes through the dehydrating roller 1253, and is guided and guided. The water plate 131 flows away. After the sand and gravel are put into the collection box 15 , the pushing cylinder 153 is activated to drive the push plate 152 to slide to squeeze the sand and gravel, so as to collect and store as much sand and gravel as possible in the collection box 15 .

The examples of this specific embodiment are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore: all equivalent changes made according to the structure, shape and principle of the present invention are not It should be covered within the protection scope of the present invention.

Claims (9)

1. A sand and gravel separator, comprising a bracket (1), a lower hopper (11) is fixedly connected to the bracket (1), and a position of the bracket (1) close to the lower port of the lower hopper (11) is fixedly connected with a lower hopper (11). One end of the hopper (11) is provided with an upwardly inclined conveying pipe (12) in a direction away from the lowering hopper (11). There is a conveying auger (121) arranged along the length direction of the conveying pipe (12), the blades of the conveying auger (121) are provided with a plurality of through holes (122), and the conveying pipe (12) is far away from the lower hopper (11). One end is fixedly connected with a conveying motor (123), and the conveying auger (121) is fixedly connected to the output shaft of the conveying motor (123); A discharge port (124) is provided at one end of the bottom surface of the conveying pipe (12) far away from the lower hopper (11), and the conveying pipe (12) is rotatably connected with two pipes along the conveying pipe (12) at a position close to the discharge port (124). Squeeze rollers (125) arranged in the width direction, two squeeze rollers (125) are arranged side by side along the length direction of the conveying pipe (12), and a water absorbing layer (1252) is fixedly connected to the outside of the two squeezing rollers (125), and the water absorbing layer (1252) are all made of soft and highly water-absorbent materials, and the water-absorbing layers (1252) on the two squeezing rollers (125) can abut each other. 2. A kind of sand and gravel separator according to claim 1, characterized in that: the positions of the conveying pipe (12) corresponding to both sides of the two squeezing rollers (125) are rotatably connected along the squeezing rollers (125). For the dewatering roll (1253) arranged in the longitudinal direction, the distance between the side wall of the dewatering roll (1253) and the side wall of the adjacent squeeze roll (125) is smaller than the thickness of the water absorbing layer (1252). 3. A sand and gravel separator according to claim 2, characterized in that: the positions of the conveying pipe (12) corresponding to the positions below the two squeezing rollers (125) are fixedly connected with a length along the squeezing rollers (125) The distance between the top surface of the blanking baffle (13) and the side wall of the squeezing roller (125) is equal to the thickness of the water-absorbing layer (1252). 4. A sand and gravel separator according to claim 3, characterized in that: water guide plates (131) are fixedly connected to the side walls of the blanking baffles (13) that are away from each other, and the water guide plates (131) They are all inclined downward from the end close to the blanking baffle (13) to the direction away from the blanking baffle (13). 5. A sand and gravel separator according to claim 4, characterized in that: a side position of the bracket (1) corresponding to the lower part of the discharge port (124) is rotatably connected with a device arranged along the length direction of the bracket (1). The drive shaft (14) is rotatably connected to a driven shaft (142) arranged along the length direction of the drive shaft (14), and the drive shaft (142) is rotatably connected to the side of the support (1) below the discharge port (124) away from the drive shaft (14). (14) A crawler (143) is sleeved with the outside of the driven shaft (142), and the width of the crawler (143) is greater than or equal to the width between the two blanking baffles (13), and the bracket (1) is close to the driving shaft ( 14) A drive motor (141) is fixedly connected at the position of one end, and the driving shaft (14) is fixedly connected to the output shaft of the drive motor (141). 6. A sand and gravel separator according to claim 5, characterized in that: the positions of the bracket (1) corresponding to both sides of the upper surface of the crawler (143) are rotatably connected with a plurality of vertically arranged auxiliary shafts (144). ), the auxiliary shafts (144) located on the same side of the crawler (143) are arranged in an array along the length direction of the crawler (143), and the distance between the two relatively unknown auxiliary shafts (144) located on both sides of the crawler (143) is smaller than that of the crawler (143). 143) width. 7. A sand and gravel separator according to claim 5, characterized in that: a collecting box (15) is fixedly connected at a position below one end of the corresponding crawler track (143) of the bracket (1), and the top of the collecting box (15) is provided with a There is a box mouth (151). 8. A sand and gravel separator according to claim 7, characterized in that: a vertically arranged push plate (152) is slidably connected to the end wall of the collection box (15) away from the driving shaft (14), and the push plate (152) can slide along the length direction of the collecting box (15), and the push plate (152) can cover the longitudinal section inside the collecting box (15). 9. A sand and gravel separator according to claim 8, characterized in that: the end wall of the collecting box (15) away from the driving shaft (14) is fixedly connected with a cylinder body of a pushing cylinder (153), and the pushing material is The piston rod of the air cylinder (153) is arranged along the length direction of the collecting box (15), and the push plate (152) is fixedly connected to the piston rod of the pushing cylinder (153).

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