CN218516804U

CN218516804U - One-side crushing pre-crushing type double-roller sand making machine

Info

Publication number: CN218516804U
Application number: CN202221551144.2U
Authority: CN
Inventors: 祝光云; 祝鹤槐
Original assignee: Zhejiang Chentai Machinery Manufacturing Co ltd
Current assignee: Zhejiang Chentai Machinery Manufacturing Co ltd
Priority date: 2022-06-21
Filing date: 2022-06-21
Publication date: 2023-02-24
Anticipated expiration: 2032-06-21

Abstract

The utility model relates to a one-side crushing pre-crushing type paired roller sand making machine, which comprises two rolling cylinders arranged in a shell, wherein a rolling gap is formed between the two rolling cylinders, the shell is provided with a discharge port and a feed port, the feed port is positioned above the rolling cylinders so as to input stones to be rolled between the two rolling cylinders, and the feed port is provided with a sieve; two side walls opposite to the feed inlet, wherein one side wall is provided with an extrusion head sliding hole, and the other side wall is provided with a chopping board; the extrusion head sliding hole is internally and slidably connected with an extrusion crushing head, the extrusion crushing head is positioned above the sieve, the extrusion crushing head is connected with a hydraulic oil cylinder, and the hydraulic oil cylinder is connected with a hydraulic station; when the extrusion crushing head is folded to the limit position towards the chopping block, the gap between the extrusion crushing head and the chopping block is below the grain diameter of the sand with the maximum grain diameter which can be crushed by the crushing barrel. The utility model has the advantages of can smash big stone earlier the back system husky again, the big problem of raise dust that produces when having solved current system sand machine output.

Description

One-side crushing pre-crushing type double-roller sand making machine

Technical Field

The utility model relates to a system sand machine, concretely relates to unilateral hits garrulous formula pair roller system sand machine in advance.

Background

A sand maker is a mechanical device for crushing stones into sand or sand. The structure of the sand making machine has two types, one is a hammer crusher, the other is a double-roller machine (hereinafter referred to as a double-roller sand making machine), the hammer crusher has many wearing parts, large energy consumption, much dust and uneven fineness. The roller pair sand making machine can avoid the defects of much dust and uneven fineness. The method is characterized in that a pair-roller sand making machine is disclosed in Chinese patent documents with the patent numbers of 2010202399225, the publication number of CN201791554U and the name of a driving mechanism of the pair-roller sand making machine, stone is crushed into sand by the pair-roller sand making machine, the sand is crushed by a pair of crushing cylinders (also called rollers), the initial crushing cylinder of the pair-roller sand making machine is rotated by arranging a chain wheel at one end of the crushing cylinder, and then the chain wheel is driven by a chain after the motor output is decelerated by a speed reducer, so that the defects of poor efficiency, large abrasion, small bearing capacity, small impact resistance, large vibration and appearance volume and short continuous operation life exist; the present applicant has devised for this purpose an internally driven pair roller sand mill as disclosed in patent application No. 2016101635735. The prior sand making machines of the above types have the following defects: when making sand with big stone, need smash the stone into the stone of tiny granule through the rubbing crusher, then carry out the system sand with the stone transfer belt system sand machine of tiny granule again, this mode system sand need carry out the secondary and transport, leads to the generation cost to increase.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can smash the unilateral of system sand again earlier with big stone and hit garrulous formula pair roller system sand machine in advance, the big problem of raise dust that produces when having solved current system sand machine output.

The technical problem is solved by the following technical scheme: the utility model provides a unilateral hits garrulous formula pair roller system sand machine in advance, includes the frame, the frame is provided with two crushing barrels and drive crushing barrel pivoted drive structure, crushing barrel is including rolling a section of thick bamboo and main shaft, crushing barrel passes through the main shaft with the frame links together, forms between two rolling a section of thick bamboo and rolls the clearance, its characterized in that, still includes seal structure's shell, two rolling a section of thick bamboo and being located in the shell, the shell is equipped with discharge gate and feed inlet, the discharge gate is located the below of rolling a section of thick bamboo and falls out for the sand that the rolling a section of thick bamboo rolled out, the feed inlet is located the top of rolling a section of thick bamboo for the stone that waits to roll inputs between two rolling a section of thick bamboo, the feed inlet is equipped with the sieve; two side walls opposite to the feed inlet, wherein one side wall is provided with an extrusion head sliding hole, and the other side wall is provided with a chopping block; the extrusion crushing head is connected with the screen in a sliding hole of the extrusion head in a sliding mode, the extrusion crushing head is located above the screen, the extrusion crushing head is connected with the hydraulic oil cylinder, and the hydraulic oil cylinder is connected with the hydraulic station; when the extrusion crushing head is folded to the limit position towards the chopping block, the gap between the extrusion crushing head and the chopping block is below the grain diameter of the sand with the maximum grain diameter which can be crushed by the crushing barrel. When in use, stones with the size larger than the requirement of the sand making machine are blocked by the sieve, fall through the sieve holes and are crushed. The crushing head is extruded to open and close to be matched with the chopping board, and stones blocked on the sieve are crushed, so that the stones can fall down. According to the technical scheme, large stones are crushed into small stones and then are integrated together in a sand making manner, so that the requirement of the sand making machine on materials can be improved and the sand making machine is more universal.

Preferably, two side walls of the feed port, which are perpendicular to the moving direction of the extrusion crushing head, are respectively provided with a sliding groove, and the extrusion crushing head is connected in the sliding grooves in a sliding manner in the process that the extrusion crushing head is folded towards the chopping board. The stability of the extrusion crushing head in moving can be improved.

The utility model discloses still including the displacement sensor who detects the sliding speed of extrusion crushing head in extrusion head slide hole, hydraulic pressure station exports hydraulic cylinder's oil pressure can be adjusted, extrusion crushing head is equipped with the sliding seat and seals the extrusion head of wearing to establish in the sliding seat, extrusion head and sliding seat enclose out sealed stock solution chamber, sealed stock solution intracavity stores up liquid, sealed stock solution intracavity is equipped with the detection the pressure sensor of the pressure of sealed stock solution intracavity. In the process of closing the extrusion crushing head, the hydraulic station outputs hydraulic oil to the hydraulic oil cylinder, and the hydraulic oil cylinder drives the extrusion crushing head to move towards the feeding hole; when the displacement sensor detects that the speed of extruding the crushing head is smaller than a first set value and the pressure detected by the pressure sensor is continuously increased, the pressure of hydraulic oil output by the hydraulic station is continuously increased; when the displacement sensor detects that the speed of extruding the crushing head is higher than a second set value, the pressure of hydraulic oil output by the hydraulic station stops rising, and the first set value is smaller than the second set value. The hydraulic station can work with optimized power output, energy consumption can be reduced, and noise and generated dust in the process of crushing large stones can be reduced. This technical scheme or the extrusion crushing head during operation atress accuracy good, do not receive the interference of hydraulic pressure station output pressure, if the pressure that detects the pneumatic cylinder is as the pressure of extrusion crushing head, then the accuracy is poor.

Preferably, the displacement sensor detects a moving speed of a piston rod of the hydraulic cylinder to obtain a moving speed of the crushing head. The reliability in detecting the speed is good.

Preferably, the screen is a flat screen, the chopping block is provided with a screen cleaning scraping strip attached to the upper surface of the screen and used for scraping the screen, and the extending direction of the screen cleaning scraping strip is perpendicular to the moving direction of the extrusion crushing head. Can dredge the sieve.

Preferably, the side wall of the feeding hole, which is provided with the chopping board, is provided with a sieve avoiding hole, one end of the sieve penetrates through the sieve avoiding hole, and the other end of the sieve is fixed with the extrusion crushing head. The screen can be driven to move by the pulverizing extrusion head. The efficiency is high when the sieve is used, and the structure is compact.

Preferably, a guide plate is arranged on the lower side wall of the sieve avoidance hole, and the upper surface of the guide plate is an inclined plane which is connected with the sieve avoidance hole and is higher at one end than the other end. Can be with the stone jack-up of card in the screen hole, then removed under the effect of the clean scraping strip of sieve, the effectual of mediation sieve.

As preferred, be equipped with in the shell and dredge the chamber, the sieve dodges the hole intercommunication dredge chamber and feed inlet, when the crushing head of extrusion folds extreme position towards the chopping block the sieve stretches into when the mediation intracavity, the mediation intracavity is equipped with the gas distribution pipe, the gas distribution pipe is equipped with a plurality of air nozzles that spout down, and the air nozzle is located the top of sieve when the sieve is located the mediation intracavity. Can clear the stones in the sieve holes.

Preferably, the upper surface of mediation chamber diapire is for keeping away from the high inclined plane that the other end is low of one end of feed inlet, the one side that is located the feed inlet that mediation chamber diapire is located the peak of a milling section of thick bamboo directly over towards one side of feed inlet, the mediation chamber is equipped with the bin outlet of arranging the stone of mediation intracavity between two milling sections of thick bamboos of the minimum department intercommunication of the diapire upper surface of mediation chamber. The stone that can be under clearing in the sieve slides automatically and is made husky between the section of thick bamboo of pressing.

Preferably, the chopping block is detachably connected with the side wall of the feeding hole, the screen cleaning scraping strip is provided with an upper flanging, and the screen cleaning scraping strip presses the upper flanging to press the screen cleaning scraping strip on the side wall of the feeding hole. The scraping strip is cleaned by a chopping block and a screen more conveniently.

Preferably, the extrusion section of the extrusion crushing head is provided with crushing teeth. Can improve the reliability of breaking large stones

Compared with the prior art have the beneficial effect of influence: can select the stone of big particle diameter to smash the back and carry out system sand for rolling a section of thick bamboo again, realized smashing system sand with the stone and integrated together, reduce the cost when big stone system sand.

Drawings

FIG. 1 is a schematic view of the present invention;

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

fig. 3 is a partially enlarged schematic view of fig. 1 at D.

In the figure: the device comprises a water pump 1, a shell 2, a rolling barrel 3, a rolling gap 4, a discharge hole 5, a feed inlet 6, a sieve 74, an extrusion crushing head 75, a hydraulic oil cylinder 76, a chute 77, a displacement sensor 78, a sliding seat 79, an extrusion head 80, liquid 81, a pressure sensor 82, a piston rod 83 of the hydraulic oil cylinder, a sieve cleaning scraping strip 84, a sieve avoiding hole 85, crushing teeth 88, sieve holes 89, a chopping block 86, a dredging cavity 87, an air nozzle 90, a dredging cavity bottom wall 91, one side 92 of the dredging cavity bottom wall facing the feed inlet, a discharge hole 93, an upper flanging 94, an air distribution pipe 95, a fixing bolt 96, a connecting seat 97 and a guide plate 98.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1 to 3, a one-side crushing type double-roller sand making machine comprises a frame, a water pump 1 and a sealed shell 2. The frame is provided with two crushing barrels and a driving structure for driving the crushing barrels to rotate. The crushing cylinder comprises a milling cylinder 3 and a main shaft. The crushing barrel is connected with the frame through a main shaft, and a rolling gap 4 is formed between the two rolling barrels. The two rolling cylinders are positioned in the shell, and the shell is provided with a discharge port 5 and a feed port 6. The discharge gate is located the below of rolling a section of thick bamboo and falls out in order to supply the husky of rolling a section of thick bamboo roll extrusion, the feed inlet is located the top of rolling a section of thick bamboo and inputs between two rolling sections with the stone that supplies to wait to roll.

The feed inlet is provided with a sieve 74; two opposite side walls of the feed inlet, wherein one side wall is provided with an extrusion head sliding hole, and the other side wall is provided with a cutting board 86; the extrusion head sliding hole is internally and slidably connected with an extrusion crushing head 75, the extrusion crushing head is positioned above the sieve, the extrusion crushing head is connected with a hydraulic oil cylinder 76, and the hydraulic oil cylinder is connected with a hydraulic station; when the extrusion crushing head folds to the extreme position towards the chopping block, the clearance between the extrusion crushing head and the chopping block is below the particle size of the stone with the largest particle size which can be crushed by the crushing barrel. Two side walls of the feed port, which are vertical to the moving direction of the extrusion crushing head, are respectively provided with a sliding groove 77, and the extrusion crushing head is connected in the sliding grooves in a sliding way in the process that the extrusion crushing head is folded towards the chopping board. The utility model discloses still including the displacement sensor 78 that detects the sliding speed of extrusion crushing head in the extrusion head slide hole, hydraulic pressure station output hydraulic cylinder's oil pressure can be adjusted, and the extrusion is smashed the head and is equipped with slide bracket 79 and sealed extrusion head 80 of wearing to establish in the slide bracket, and extrusion head and slide bracket enclose out sealed stock solution chamber, and sealed stock solution intracavity stores up liquid 81, is equipped with the pressure sensor 82 that detects the pressure in the sealed stock solution intracavity in the sealed stock solution chamber. The hydraulic station outputs hydraulic oil to the hydraulic oil cylinder in the process of folding the extrusion crushing head, and the hydraulic oil cylinder drives the extrusion crushing head to move towards the feeding hole; when the displacement sensor detects that the speed of extruding the crushing head is less than a first set value and the pressure detected by the pressure sensor is continuously increased, the pressure of the hydraulic oil output by the hydraulic station is continuously increased; when the displacement sensor detects that the speed of extruding the crushing head is higher than a second set value, the pressure of hydraulic oil output by the hydraulic station stops rising, and the first set value is smaller than the second set value. The displacement sensor detects the moving speed of the piston rod 83 of the hydraulic cylinder to obtain the moving speed of the crushing head. The screen is a flat screen, the chopping block is provided with a screen cleaning scraping strip 84 which is attached to the upper surface of the screen and scrapes the screen, and the extending direction of the screen cleaning scraping strip is vertical to the moving direction of the extrusion crushing head. The side wall of the feeding port, which is provided with the chopping board, is provided with a sieve avoiding hole 85, one end of the sieve penetrates through the sieve avoiding hole, and the other end of the sieve is fixed with the extrusion crushing head. The lower side wall of the sieve avoidance hole is provided with a guide plate 98, and the upper surface of the guide plate is an inclined plane which is connected with the sieve avoidance hole and has one end higher than the other end. A dredging cavity 87 is arranged in the shell. The crushing teeth 88 are provided on the extrusion section of the extrusion crushing head. The sieve dodges hole intercommunication mediation chamber and feed inlet, and the extrusion is smashed the head and is stretched into the mediation intracavity towards the sieve when the chopping block folds extreme position, dredges the intracavity and is equipped with gas distribution pipe 95, and the gas distribution pipe is equipped with a plurality of air nozzle 90 that spout down, and the air nozzle is located the top of sieve when the sieve is located the mediation intracavity. The upper surface of dredging cavity diapire 91 is the inclined plane that the one end height other end is low of keeping away from the feed inlet, and one side 92 of dredging cavity diapire towards the feed inlet is located the one side that is located the feed inlet directly over the peak of a rolling section of thick bamboo, and the dredging cavity is equipped with the bin outlet 93 that will dredge the stone in the intracavity and arrange to two rolling sections of thick bamboos of the intercommunication of the minimum department of the diapire upper surface in dredging cavity. The chopping block is detachably connected with the side wall of the feed port through a fixing bolt 96, the screen cleaning scraping strip is provided with an upper flanging 94, and the screen cleaning scraping strip presses the upper flanging to press the screen cleaning scraping strip on the side wall of the feed port.

During the use, hydraulic pressure station carries hydraulic oil to hydraulic cylinder for hydraulic cylinder divides the box for the chopping block to crushing the stone that the particle diameter that will be detained on the sieve is greater than the requirement, and the stone that accords with the requirement falls down and is rolled from sieve mesh 89 and is rolled and roll into sand. In the process of extrusion crushing and moving, the driving sieve also moves so as to improve the effect of the sieve.

Claims

1. The utility model provides a unilateral hits garrulous formula pair roller system sand machine in advance, includes the frame, the frame is provided with two crushing barrels and drive crushing barrel pivoted drive structure, crushing barrel is including rolling a section of thick bamboo and main shaft, crushing barrel passes through the main shaft with the frame links together, forms between two rolling a section of thick bamboo and rolls the clearance, its characterized in that, still includes seal structure's shell, two rolling a section of thick bamboo and being located in the shell, the shell is equipped with discharge gate and feed inlet, the discharge gate is located the below of rolling a section of thick bamboo and falls out for the sand that the rolling a section of thick bamboo rolled out, the feed inlet is located the top of rolling a section of thick bamboo for the stone that waits to roll inputs between two rolling a section of thick bamboo, the feed inlet is equipped with the sieve; two side walls opposite to the feed inlet, wherein one side wall is provided with an extrusion head sliding hole, and the other side wall is provided with a chopping block; the extrusion head sliding hole is internally and slidably connected with an extrusion crushing head, the extrusion crushing head is positioned above the sieve, the extrusion crushing head is connected with a hydraulic oil cylinder, and the hydraulic oil cylinder is connected with a hydraulic station; when the extrusion crushing head is folded to the limit position towards the chopping block, the gap between the extrusion crushing head and the chopping block is below the grain diameter of the sand with the maximum grain diameter which can be crushed by the crushing barrel.

2. The single-side crushing pre-crushing double-roller sand making machine according to claim 1, wherein a chute is respectively arranged on two side walls of the feed inlet perpendicular to the moving direction of the extrusion crushing head, and the extrusion crushing head is slidably connected in the chute in the process of folding towards the chopping board.

3. The one-sided crashing pre-crushing type double-roller sand making machine according to claim 1 or 2, characterized by further comprising a displacement sensor for detecting the sliding speed of the extrusion crushing head in the sliding hole of the extrusion head, wherein the oil pressure output by the hydraulic station to the hydraulic oil cylinder can be adjusted, the extrusion crushing head is provided with a sliding seat and the extrusion head which is hermetically penetrated in the sliding seat, the extrusion head and the sliding seat enclose a sealed liquid storage cavity, the sealed liquid storage cavity is filled with liquid, a pressure sensor for detecting the pressure in the sealed liquid storage cavity is arranged in the sealed liquid storage cavity, the hydraulic station outputs hydraulic oil to the hydraulic oil cylinder in the process of folding the extrusion crushing head, and the hydraulic oil cylinder drives the extrusion crushing head to move towards the feeding hole; when the displacement sensor detects that the speed of extruding the crushing head is smaller than a first set value and the pressure detected by the pressure sensor is continuously increased, the pressure of hydraulic oil output by the hydraulic station is continuously increased; when the displacement sensor detects that the speed of extruding the crushing head is higher than a second set value, the pressure of hydraulic oil output by the hydraulic station stops rising, and the first set value is smaller than the second set value.

4. The single-side crushing pre-crushing double-roller sand making machine according to claim 3, wherein the displacement sensor detects the moving speed of the extrusion crushing head by detecting the moving speed of a piston rod of the hydraulic oil cylinder.

5. The single-side crushing pre-crushing paired-roller sand making machine according to claim 1 or 2, wherein the screen is a flat screen, the chopping block is provided with a screen cleaning scraping strip attached to the upper surface of the screen and used for scraping the screen, and the extending direction of the screen cleaning scraping strip is perpendicular to the moving direction of the extrusion crushing head.

6. The single-side crushing pre-crushing double-roller sand making machine according to claim 5, wherein a sieve avoiding hole is formed in the side wall, provided with the chopping board, of the feeding hole, one end of the sieve penetrates through the sieve avoiding hole, and the other end of the sieve is fixed with the extrusion crushing head.

7. The single-side crushing pre-crushing type paired-roller sand making machine according to claim 6, wherein a guide plate is arranged on a lower side wall of the sieve avoiding hole, and an upper surface of the guide plate is an inclined surface which is connected with the sieve avoiding hole and has one end higher than the other end.

8. The single-side crushing pre-crushing type paired-roller sand making machine according to claim 6, wherein a dredging cavity is formed in the shell, the sieve avoiding hole is communicated with the dredging cavity and the feeding hole, the sieve extends into the dredging cavity when the extrusion crushing head is folded to a limit position towards the chopping board, a gas distribution pipe is arranged in the dredging cavity, the gas distribution pipe is provided with a plurality of downward-spraying gas nozzles, and the gas nozzles are located above the sieve when the sieve is located in the dredging cavity.

9. The single-side crushing pre-crushing type paired-roller sand making machine according to claim 8, wherein the upper surface of the bottom wall of the dredging cavity is an inclined plane with one end far away from the feeding hole and the other end high and the other end low, one side of the bottom wall of the dredging cavity, facing the feeding hole, is positioned on one side of the feeding hole directly above the highest point of the grinding cylinders, and the dredging cavity is provided with a discharge hole communicated with the lowest point of the upper surface of the bottom wall of the dredging cavity and used for discharging sand in the dredging cavity to a position between the two grinding cylinders.

10. The single-side crushing pre-crushing double-roller sand making machine according to claim 5, wherein the chopping block is detachably connected with the side wall of the feeding hole, the screen cleaning scraping strip is provided with an upper flanging, and the screen cleaning scraping strip presses the upper flanging to press the screen cleaning scraping strip on the side wall of the feeding hole.