CN217796572U

CN217796572U - Collision coarse material removing type double-roller sand making machine

Info

Publication number: CN217796572U
Application number: CN202221551189.XU
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: 2022-11-15
Anticipated expiration: 2032-06-21

Abstract

The utility model relates to a clash and remove coarse fodder formula pair roller system husky machine, including the shell and be located two rolls in the shell, form the clearance of rolling between two rolls, 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 rolls a section of thick bamboo and roll, the feed inlet is located the top of rolling a section of thick bamboo for the stone that waits to roll inputs between two rolls, the feed inlet is equipped with the sieve, each is equipped with an extrusion head slide opening on two relative lateral walls of feed inlet, sliding connection has extrusion crushing head in the extrusion head slide opening, extrusion crushing head is located the top of sieve, extrusion crushing head links together with hydraulic cylinder, hydraulic cylinder links together with the hydraulic station; the clearance between the two squeezing crushing heads which are folded to the limit position is below the particle size of the stone with the maximum particle size which can be crushed by the crushing cylinder. 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

Collision coarse material removing type double-roller sand making machine

Technical Field

The utility model relates to a system sand machine, concretely relates to clash and remove coarse fodder formula pair roller system sand machine.

Background

A sand maker is a mechanical device for crushing stone 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 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 No. 2010202399225, publication No. CN201791554U and patent document named as 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 existing sand making machines of the above types have the following defects: powder is generated in the sand making process, and dust generated in the powder output process is large; during sand is made through 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 collision that can smash big stone earlier the back again system husky coarse fodder formula pair roller system husky machine, 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: a kind of colliding and removing the coarse fodder type pair roller sand making machine, including the stander, the said stander has two pulverizing cylinders and drive the driving structure that the pulverizing cylinder rotates, the said pulverizing cylinder includes rolling cylinder and main axis, the said pulverizing cylinder links together with the said stander through the said main axis, form and roll the interval between two rolling cylinders, characterized by that, also include the outer casing of the hermetically-sealed construction, two said rolling cylinders locate in said outer casing, the said outer casing has discharge ports and feed inlets, the said discharge ports locate below rolling cylinder in order to roll sand that the cylinder rolls out, the said feed inlet locates above rolling cylinder in order to for the stone to be rolled to input between two rolling cylinders, the said feed inlet has sieves, there are a extrusion head slide holes on two opposite sidewalls of the feed inlet respectively, the said extrusion head slide hole is connected with and extrudes the pulverizing head, the extrusion pulverizing head locates above the sieve, the extrusion pulverizing head links together with hydraulic cylinder, the hydraulic cylinder links together with the hydraulic pressure station; when the two crushing heads are folded to the limit position, the gap between the two crushing heads is below the particle size of the stone block with the maximum particle size which can be crushed by the crushing cylinder. When in use, stones with the size larger than the requirement of the sand making machine are blocked by the sieve, fall from the sieve holes and are crushed. The two extrusion crushing heads are separated and combined, and stones blocked on the screen 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, the two extrusion head sliding holes are communicated through two sliding grooves which are located on two opposite side walls of the feeding hole in a one-to-one correspondence mode, and the extrusion crushing heads are connected in the sliding grooves in a sliding mode in the folding process of the extrusion crushing heads. 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 the 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 storage intracavity. 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 speed sensor detects that the speed of the extrusion crushing head is smaller 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 speed sensor detects that the speed of the extrusion 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. According to the technical scheme, or the accuracy of the acceptance of the extrusion crushing head during working is good, the interference of the output pressure of the hydraulic station is not received, and if the pressure of the hydraulic cylinder is detected as the pressure of the extrusion crushing head, the accuracy is poor.

Preferably, the speed 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 extrusion crushing head is provided with a screen cleaning scraping strip which is attached to the upper surface of the screen and scrapes the screen, and the extension direction of the screen cleaning scraping strip is perpendicular to the distribution direction of the extrusion crushing head. Can dredge the sieve.

Preferably, the side wall of the feed port, which is provided with the extrusion head sliding hole, is provided with a sieve avoiding hole, two ends of a sieve penetrate through the sieve avoiding holes on the two side walls of the feed port, the sieve is made of a body magnet, and the extrusion crushing head is provided with an electromagnet for adsorbing the sieve; in the process of moving the extrusion crushing heads, only one electromagnet on one extrusion crushing head is electrified to adsorb the sieve at the same time. The time when the electromagnets on the two crushing heads are alternately energized is the time when the two crushing heads are separated to the extreme positions. Can smash the first drive sieve through the extrusion and remove, efficiency when improving the sieve stone.

Preferably, two rollers are further arranged in the shell, the rollers abut against the lower surface of the sieve, and the two rollers are distributed at two ends of the sieve along the moving direction of the two extrusion crushing heads. 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.

Preferably, the distance of the drum from the midpoint position between the two crushing heads is smaller than the distance of the screen cleaning bar from the midpoint position between the two crushing heads. According to the scheme, the stones in the screen holes are jacked up firstly, and then the stones are cleaned by the screen and the scraping strips are shifted and pulled out. The reliability is good when the sieve pores are dredged.

Preferably, the extrusion section of the extrusion crushing head is provided with crushing teeth. The reliability in crushing large stones can be improved.

Compared with the prior art have influence beneficial effect: 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 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 screen 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 screen cleaning scraping strip 84, a screen avoiding hole 85, an electromagnet 86, a roller 87, crushing teeth 88 and screen holes 89.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 and 2, the utility model relates to a collision coarse material removing type double-roller sand making machine, which 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 the main shaft, and a rolling gap 4 is formed between the two rolling barrels. Two cylinders that roll are located the shell, and the shell is equipped with discharge gate 5 and feed inlet 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 are respectively provided with an extrusion head sliding hole, an extrusion crushing head 75 is connected in the extrusion head sliding holes in a sliding manner and is positioned above the sieve, the extrusion crushing heads are connected with a hydraulic oil cylinder 76, and the hydraulic oil cylinder is connected with a hydraulic station; when the two squeezing and crushing heads are folded to the limit position, the gap between the two squeezing and crushing heads is smaller than the particle size of the stone with the largest particle size which can be crushed by the crushing barrel. The two extrusion head sliding holes are communicated through two sliding grooves 77 which are correspondingly positioned on two opposite side walls of the feeding hole one by one, and the extrusion crushing heads are slidably connected in the sliding grooves in the closing process of the extrusion crushing heads. 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 the sealed stock solution intracavity stores up liquid 81, is equipped with the pressure sensor 82 that detects the pressure of sealed storage intracavity in the sealed stock solution intracavity. 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 speed sensor detects that the speed of the extrusion 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 speed sensor detects that the speed of the extrusion 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 speed 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 extrusion crushing head is provided with a screen cleaning scraping strip 84 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 distribution direction of the extrusion crushing head. The side wall of the feed port, which is provided with the extrusion head sliding hole, is provided with a sieve avoiding hole 85, two ends of the sieve penetrate through the sieve avoiding holes on the two side walls of the feed port, the sieve is made of a body magnet, and the extrusion crushing head is provided with an electromagnet 86 for adsorbing the sieve; in the process of moving the extrusion crushing heads, the electromagnet on one extrusion crushing head is electrified to adsorb the sieve at the same time. The time when the electromagnets on the two crushing heads are alternately energized is the time when the two crushing heads are separated to the extreme positions. Two rollers 87 are also arranged in the housing, the rollers are abutted against the lower surface of the screen, and the two rollers are distributed at the two ends of the screen along the moving direction of the two extrusion crushing heads. The distance between the roller and the midpoint between the two extrusion crushing heads is smaller than the distance between the screen cleaning scraping strip and the midpoint between the two extrusion crushing heads. The crushing teeth 88 are provided on the extrusion section of the extrusion crushing head.

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

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A colliding coarse material removing type double-roller sand making machine comprises a frame, wherein the frame is provided with two grinding cylinders and a driving structure for driving the grinding cylinders to rotate, each grinding cylinder comprises a rolling cylinder and a main shaft, the grinding cylinders are connected with the frame through the main shafts, and a rolling gap is formed between the two rolling cylinders; when the two squeezing and crushing heads are folded to the limit position, the gap between the two squeezing and crushing heads is smaller than the particle size of the stone with the largest particle size which can be crushed by the crushing barrel.

2. The colliding coarse material removal type pair roller sand making machine according to claim 1, wherein the two extrusion head sliding holes are communicated through two sliding grooves which are correspondingly arranged on two opposite side walls of the feeding hole, and the extrusion crushing heads are slidably connected in the sliding grooves during the closing process of the extrusion crushing heads.

3. The colliding coarse material removal type pair roller sand making machine according to claim 1 or 2, 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 from 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, and a pressure sensor for detecting the pressure in the sealed liquid storage cavity is arranged in the sealed liquid storage cavity;

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 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.

4. The opposite-roller sand making machine for clashing coarse materials 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 a hydraulic oil cylinder.

5. The colliding coarse material removal type paired roller sand making machine according to claim 1 or 2, wherein the screen is a flat screen, the extrusion crushing head 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 distribution direction of the extrusion crushing head.

6. The colliding coarse material removing type pair roller sand making machine according to claim 5, wherein a screen avoiding hole is formed in the side wall of the feeding port, which is provided with the extrusion head sliding hole, two ends of a screen penetrate through the screen avoiding holes in the two side walls of the feeding port, the screen is made of a body magnet, and the extrusion crushing head is provided with an electromagnet for adsorbing the screen; in the process of moving the extrusion crushing heads, only one electromagnet on one extrusion crushing head is electrified to adsorb the sieve at the same time;

the time when the electromagnets on the two crushing heads are alternately energized is located at the time when the two crushing heads are separated to the extreme positions.

7. The colliding coarse material removal type pair roller sand making machine according to claim 6, wherein two rollers are further arranged in the housing, the rollers abut against the lower surface of the screen, and the two rollers are distributed at two ends of the screen along the moving direction of the two extrusion crushing heads.

8. The colliding coarse-material-removal type pair roller sand making machine according to claim 1 or 2, wherein the crushing teeth are arranged on the extrusion section of the extrusion crushing head.