CN219111718U - Double-roller sand making machine with blocking dredging mechanism - Google Patents

Abstract

The utility model relates to a double-roller sand making machine with a blocking dredging mechanism, which comprises a frame and a stone moving structure, wherein the frame is provided with two crushing rollers and a driving structure for driving the crushing rollers to rotate, the crushing rollers comprise crushing rollers and a main shaft, a crushing gap is formed between the two crushing rollers, the crushing rollers are connected with the frame through the main shaft, the stone moving structure comprises a plurality of shifting sheets which are axially distributed along the crushing rollers and are connected with the frame through a swinging shaft, and a shifting sheet driving mechanism for driving the shifting sheets to swing by taking the swinging shaft as a shaft, and the swinging shaft horizontally extends along the direction vertical to the crushing rollers. The utility model aims to further provide a double-roller sand making machine with a jam dredging mechanism, wherein the jam dredging mechanism can eliminate the jam of the crushing roller without separating the crushing roller when feeding, and the double-roller sand making machine is used for solving the problem that stone with unsatisfactory granularity can be mixed into crushed sand due to the jam of the feeding caused by separating the crushing roller.

Description

Double-roller sand making machine with blocking dredging mechanism

Technical Field

The utility model relates to a sand making machine, in particular to a double-roller sand making machine provided with a blocking dredging mechanism.

Background

A sand making machine is a mechanical device for pulverizing stones into sand. The sand making machine has two structures, namely a hammer crusher and a twin-roll crusher (hereinafter referred to as twin-roll sand making machine), wherein the hammer crusher has more vulnerable parts, high energy consumption, more dust and uneven fineness. The double-roller sand making machine can avoid the defects of more dust and uneven fineness. In the patent document of China patent No. 2010202399225 and publication No. CN201791554U, named as a driving mechanism of a twin-roll sand making machine, a twin-roll sand making machine is disclosed, sand making by crushing stones is realized by rolling a pair of crushing rollers (also called rollers), the crushing rollers of the initial twin-roll sand making machine are provided with chain wheels at one ends of the crushing rollers, and then the motor output is decelerated by a speed reducer and then the chain wheels are driven by a chain to realize rotation, so that the defects of poor efficiency, high abrasion, small bearing capacity, small shock resistance, large vibration and appearance volume and short continuous operation life exist; for this purpose the applicant devised an internally driven twin roll sander as disclosed in patent application No. 2016101635735. The sand making machine in the patent has the following defects: the phenomenon that stone can not rotate when being blocked can be encountered in the crushing process, if the stone which causes the blocking is subjected to transposition and then is fed and rolled again when the blocking is generated, the blocking can be eliminated, the existing method for eliminating the blocking is to fix a crushing roller with a frame through a cylinder, the blocking resistance drives the cylinder to compress and provide the separated interval (namely crushing interval to widen) of the crushing cylinder when the blocking is generated, and the blocking solving mode can lead to the granularity of sand exceeding the requirement.

Disclosure of Invention

The utility model aims to further provide a double-roller sand making machine with a jam dredging mechanism, wherein the jam dredging mechanism can eliminate the jam of the crushing roller without separating the crushing roller when feeding, and the double-roller sand making machine is used for solving the problem that stone with unsatisfactory granularity can be mixed into crushed sand due to the jam of the feeding caused by separating the crushing roller.

The technical problems are solved by the following technical scheme: the utility model provides a set up card and hinder dredging mechanism's twin roll sand making machine, includes the frame, the frame is provided with two crushing cylinders and drive crushing cylinder pivoted drive structure, crushing cylinder is including rolling a section of thick bamboo and main shaft, forms between two rolling a section of thick bamboo and rolls the clearance, crushing cylinder passes through the main shaft with the frame links together, its characterized in that still includes the stone remove structure of waiting to smash the building stones that is located between two crushing cylinders, stone remove structure includes a plurality of stirring pieces and the drive stirring piece that are located between two crushing cylinders that are connected with the frame through the pendulum shaft that distribute along crushing cylinder axial use the pendulum shaft is the wobbling stirring piece actuating mechanism of axle, the pendulum shaft is along the direction horizontal extension of perpendicular to crushing cylinder. When the blocking is generated, the pulling piece is driven by the pulling piece driving mechanism to swing by taking the swinging shaft as the shaft so as to shift the stone, thereby eliminating the blocking.

Preferably, the stone moving structure comprises a plurality of paddles which are distributed along the axial direction of the crushing roller and are connected with the frame through a pendulum shaft between the two crushing rollers, and a paddle driving mechanism for driving the paddles to swing by taking the pendulum shaft as an axis, wherein the pendulum shaft horizontally extends along the direction vertical to the crushing roller. Provides a concrete technical scheme of the stone moving structure.

Preferably, the feeding hopper for conveying stones to the crushing roller is arranged on the frame, the feeding hopper is provided with a quadrangular blanking pipe extending into a flat structure between the two crushing rollers, the length direction of the blanking pipe is consistent with the axial direction of the crushing roller, the pendulum shaft is fixed on the outer surface of the blanking pipe, and the poking plate is hung on the blanking pipe through the pendulum shaft. The stone crusher has the advantages that the structure is compact, the stone amount between two crushing rollers can be reduced, so that the stone can be moved more easily and fully during blocking, and the stone can be quickly and completely moved between crushing roller bodies, so that the efficiency during dredging blocking is improved.

Preferably, the pendulum shaft is composed of two half sections, the two half sections are connected to two sides of the blanking pipe, the poking plate is provided with two connecting lugs, and the two pendulum shafts are correspondingly penetrated one by one and can be rotatably connected to the two connecting lugs. The plectrum has good stability when being connected, and the connection part is not easy to be damaged.

Preferably, the pendulum shaft is fixedly connected with the blanking pipe. When the plectrum swings to damage, the blanking pipe cannot be damaged, and the cost is low and the maintenance is convenient.

Preferably, the pulling piece further comprises an extension section extending into the blanking pipe, and the pendulum shaft is located between the pulling piece and the extension section. When the upper swing of the plectrum picks up stones, the extension section presses the stones for the lower swing, the stone can roll more easily due to the interaction of the two continuous plectrums, the whole stone shifting can be achieved through one-time stirring, and the dredging efficiency is high.

Preferably, the paddle and the extension are located on the same face. The effect of stirring to turn the stones is good.

Preferably, the adjacent paddles are spaced apart from the extension section on the other paddle along the axial direction of the crushing roller in the process that the paddles rotate with the pendulum shaft as an axis. The reliability of the stone rotation prevention driven by the poking piece in the poking process is good.

Preferably, when the paddles swing to the position with the largest angle, the interval distance between one paddle and the extending section on the other paddle is smaller than 2 cm.

Preferably, the feeding hopper is further provided with two baffles which are axially distributed along the crushing roller and positioned at two ends of the discharging pipe, the baffles extend into the space between the two rolling cylinders, and the gap between the baffles and the outer roller is smaller than granularity of stone to be crushed. The stones falling onto the two crushing rollers can be prevented from falling without passing through the crushing gap.

Preferably, the shifting piece driving mechanism comprises a rack extending along the axial direction of the crushing roller and a translation mechanism for driving the rack to translate reciprocally along the extending direction of the rack, the shifting piece is provided with a plurality of driving teeth circumferentially distributed along the axial direction of the pendulum shaft, and the driving teeth are meshed with the rack. A set of driving mechanism can drive the shifting piece, and the design can be used for assisting the shifting piece to maintain in a vertical state when the shifting piece is not shifted.

Compared with the prior art, the method has the following beneficial effects: when the block is blocked, stone is shifted through the shifting piece to enable the stone to shift so as to eliminate the block, then crushing is carried out, so that the block is eliminated, and the manufactured sand has overlarge granularity because two crushing rollers are not required to be separated when the block is realized.

Drawings

FIG. 1 is a front view of the present utility model with a lever in an initial state;

FIG. 2 is an enlarged partial schematic view at B of FIG. 1;

FIG. 3 is a schematic cross-sectional view of C-C of FIG. 1;

FIG. 4 is a partially enlarged schematic illustration at D of FIG. 3;

fig. 5 is a schematic view of the present utility model with the lever swung to an extreme position.

In the figure: the rolling cylinder 1, the rolling gap 3, the swinging shaft 36, the shifting sheets 37, the feeding hopper 38, the blanking pipe 39, the connecting lug 40, the extension section 41, the baffle 42, the gap 43 between the baffle and the outer cylinder, the rack 44, the translation mechanism 45, the driving teeth 46 and the interval L between one shifting sheet and the extension section on the other shifting sheet when the adjacent shifting sheet swings to the position with the maximum angle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 5, a twin-roll sand making machine with a blocking dredging mechanism comprises a frame, wherein the frame is provided with two crushing rollers and a driving structure for driving the crushing rollers to rotate, and the driving mechanism comprises a driving motor. The crushing roller comprises a crushing cylinder 1 and a main shaft 2, wherein the crushing roller is connected with the frame through the main shaft, and a crushing gap 3 is formed between the two crushing cylinders.

The utility model also comprises a stone moving structure for moving stone to be crushed between two crushing rollers. The stone moving structure comprises a plurality of paddles 37 which are axially distributed along the crushing roller and are positioned between the two crushing rollers and are connected with the frame through a pendulum shaft 36, and a paddle driving mechanism for driving the paddles to swing by taking the pendulum shaft as an axis, wherein the pendulum shaft horizontally extends along the direction vertical to the crushing roller. The feeding hopper 38 for conveying stones to the crushing rollers is arranged on the frame, the feeding hopper is provided with a quadrangular blanking pipe 39 extending into a flat structure between the two crushing rollers, the length direction of the blanking pipe is consistent with the axial direction of the crushing rollers, the swing shaft is fixed on the outer surface of the blanking pipe, and the poking plate is hung on the blanking pipe through the swing shaft. The pendulum shaft comprises two half sections, the two half sections are connected on two sides of the blanking pipe, the plectrum is provided with two connecting lugs 40, and the two pendulum shafts are correspondingly penetrated one by one and can be rotationally connected on the two connecting lugs. The half sections are welded and fixed together with the blanking pipe. The paddle further includes an extension 41 extending into the blanking tube with the pendulum shaft positioned between the paddle and the extension. The pulling piece and the extension section are positioned on the same surface. The adjacent poking sheets are spaced from the extending sections on the other poking sheet along the axial direction of the crushing roller in the process that the poking sheets rotate by taking the pendulum shaft as the shaft. When the paddles swing to the position with the largest angle, the interval distance L between one paddle and the extending section on the other paddle is smaller than 2 cm, and in the embodiment, 2 mm. The feeder hopper is also provided with two baffles 42 which are axially distributed along the crushing roller and are positioned at two ends of the blanking pipe, the baffles extend into the space between the two crushing rollers, and gaps 43 between the baffles and the outer roller are smaller than granularity of stone to be crushed, namely the stone cannot fall out from the circumference of the crushing roller body under the action of the bottom. The paddle drive mechanism includes a rack 44 extending axially along the pulverizing cylinder and a translation mechanism 45 driving the rack to translate reciprocally in the direction of rack extension. The translation mechanism is an air cylinder. The plectrum is provided with a plurality of driving teeth 46 which are circumferentially distributed along the axial extension of the pendulum shaft and are meshed with the racks.

During the use, when producing the card and hinder, translation mechanism drive rack reciprocating motion makes plectrum swing to realize removing the building stones in order to realize eliminating the card and hinder.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (9)

1. The utility model provides a set up card and hinder dredging mechanism's twin roll sand making machine, includes the frame, the frame is provided with two crushing cylinders and drive crushing cylinder pivoted drive structure, crushing cylinder is including rolling a section of thick bamboo and main shaft, forms between two rolling a section of thick bamboo and rolls the clearance, crushing cylinder passes through the main shaft with the frame links together, its characterized in that still includes the stone remove structure of waiting to smash the building stones that is located between two crushing cylinders, stone remove structure includes a plurality of stirring pieces and the drive stirring piece that are located between two crushing cylinders that are connected with the frame through the pendulum shaft that distribute along crushing cylinder axial use the pendulum shaft is the wobbling stirring piece actuating mechanism of axle, the pendulum shaft is along the direction horizontal extension of perpendicular to crushing cylinder.

2. The double-roller sand making machine with the blocking dredging mechanism according to claim 1, wherein a feeding hopper for conveying stones to the crushing rollers is arranged on the frame, a quadrangular blanking pipe with a flat structure extending between the two crushing rollers is arranged on the feeding hopper, the length direction of the blanking pipe is consistent with the axial direction of the crushing rollers, the swing shaft is fixed on the outer surface of the blanking pipe, and the shifting sheet is hung on the blanking pipe through the swing shaft.

3. The double-roll sand making machine with the blocking dredging mechanism according to claim 2, wherein the pendulum shaft is composed of two half sections, the two half sections are connected to two sides of the blanking pipe, the poking piece is provided with two connecting lugs, and the two pendulum shafts are correspondingly penetrated one by one and can be rotatably connected to the two connecting lugs.

4. A twin roll sand making machine with a blocking dredging mechanism as claimed in claim 2 or 3, wherein the pendulum shaft is fixedly connected with the blanking pipe.

5. A twin roll sander with a jam clearing mechanism as set forth in claim 2 or 3, wherein said paddle further comprises an extension extending into said blanking tube, the pendulum shaft being located between the paddle and the extension.

6. The twin roll sander with a jam clearing mechanism as set forth in claim 5, wherein the paddle and the extension are on the same side.

7. The paired roller sand making machine with the blocking dredging mechanism as claimed in claim 5, wherein the adjacent shifting sheets are spaced from the extending section on the other shifting sheet along the axial direction of the crushing roller in the process that the shifting sheets rotate by taking the swing shaft as the shaft.

8. A twin-roll sand making machine with a blocking dredging mechanism according to claim 2 or 3, wherein the feeding hopper is further provided with two baffles which are axially distributed along the crushing roller and are positioned at two ends of the blanking pipe, the baffles extend into the space between the two rolling cylinders, and the gap between the baffles and the outer roller is smaller than granularity of stone to be crushed.

9. A twin roll sand making machine with a blocking dredging mechanism according to claim 1, 2 or 3, wherein the shifting piece driving mechanism comprises a rack extending along the axial direction of the crushing roller and a translation mechanism for driving the rack to translate reciprocally along the extending direction of the rack, the shifting piece is provided with a plurality of driving teeth distributed along the axial extending circumferential direction of the pendulum shaft, and the driving teeth are meshed with the rack.

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