CN114603721A - Cutting dust device for rock processing - Google Patents

Cutting dust device for rock processing Download PDF

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Publication number
CN114603721A
CN114603721A CN202210130072.2A CN202210130072A CN114603721A CN 114603721 A CN114603721 A CN 114603721A CN 202210130072 A CN202210130072 A CN 202210130072A CN 114603721 A CN114603721 A CN 114603721A
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China
Prior art keywords
cutting
rotating shaft
assembly
dust
holder
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CN202210130072.2A
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CN114603721B (en
Inventor
叶金铋
何小立
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Xiamen University of Technology
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Xiamen University of Technology
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28DWORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/22Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising
    • B28D1/24Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising with cutting discs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28DWORKING STONE OR STONE-LIKE MATERIALS
    • B28D7/00Accessories specially adapted for use with machines or devices of the preceding groups
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28DWORKING STONE OR STONE-LIKE MATERIALS
    • B28D7/00Accessories specially adapted for use with machines or devices of the preceding groups
    • B28D7/02Accessories specially adapted for use with machines or devices of the preceding groups for removing or laying dust, e.g. by spraying liquids; for cooling work

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Abstract

The invention relates to the technical field of stone processing, in particular to a cutting dust-settling device for rock processing, which comprises a track, a holder, a cutting assembly, an electrostatic generating assembly and a spraying assembly, wherein the holder is arranged on the track; the cutting assembly comprises a motor, a rotating shaft and a cutter, the motor is positioned above the holder, the rotating shaft is positioned below the holder and is in insulated rotary connection with the holder, the cutter is fixed on the rotating shaft and is electrically connected, and the motor is in insulated transmission connection with the rotating shaft; the spraying assembly is positioned on one side of the cutter where dust flies out; the static electricity generating assembly enables the charges of the rotating shaft and the spraying assembly to be opposite; according to the invention, the static electricity generating assembly is adopted to endow the moving shaft and the spraying assembly with opposite electric charges to form a distributed water mist area, dust with opposite charges generated by cutting enters the water mist area due to inertia, and according to the principle that like charges repel each other and opposite charges attract each other, water drops in the water mist are easy to attract each other with the dust, so that the dust sedimentation is accelerated.

Description

Cutting dust device for rock processing
Technical Field
The invention relates to the technical field of stone processing, in particular to a cutting dust-settling device for rock processing.
Background
In the related tests for researching rock and concrete, a columnar sample is often cut along the radial direction according to the test requirements, and the cutting is mainly realized by a rock cutting machine at present.
The existing rock (stone) cutting machine is composed of a cutting knife group, a stone conveying platform, a positioning guide plate and a frame. The rock cutting machine adopts dry cutting (small material), wet cutting (large material) various stones, building materials, ceramic tiles, granites, marbles, cement boards, red bricks, refractory bricks and the like, a large amount of dust can be generated before cutting or in the cutting process, workers can suck the dust into lungs through breathing, bronchitis or pneumonia symptoms can be caused in a short time, and the possibility of dust lung can be caused if the time is too long; the health of workers is seriously affected.
For large materials, the effect of wet cutting is better, dust is prevented, lubrication can be performed, the service life of a cutter is guaranteed, for small materials, due to the requirement of cost and the limitation of a field, a water recovery device (water tank sedimentation dust) is needed for wet cutting, and for small materials, the quantity of generated dust is small, the occupied area is small, so dry cutting is generally adopted, but the problem of dust cannot be solved.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: provided is a cutting dust-settling device for rock processing, which can accelerate dust settling generated in a stone cutting process in a dry cutting process.
In order to solve the technical problems, the invention adopts the technical scheme that:
a cutting dust-settling device for rock processing comprises a track, a holder, a cutting assembly, a static electricity generation assembly and a spraying assembly; the cradle head moves along a track, and the cutting assembly, the static electricity generating assembly and the spraying assembly are arranged on the cradle head;
the cutting assembly comprises a motor, a rotating shaft and a cutter, the motor is positioned above the holder, the rotating shaft is positioned below the holder and is in insulated rotary connection with the holder, the cutter is fixed on the rotating shaft and is electrically connected, and the motor is in insulated transmission connection with the rotating shaft;
the spraying assembly is positioned on one side of the rock cutting tool, which generates dust flying out when the tool works;
the static electricity generating assembly is electrically connected with the rotating shaft and the spraying assembly, and charges carried by the rotating shaft and the spraying assembly are opposite charges.
The invention has the beneficial effects that: the static electricity generating assembly is adopted to endow opposite electric charges to the moving shaft and the spraying assembly to form a distributed water mist area, the spraying assembly is positioned on one side, where dust generated when the cutter cuts rocks during working, and the cutter is electrically connected with the rotating shaft, so that the cutter is electrified, the dust with opposite charges generated by cutting enters the water mist area due to inertia, according to the principle that like charges repel each other and opposite charges attract each other, small water drops in the water mist are easy to attract dust, and when the distance between the small water drops sprayed and the dust mass center is smaller than the radius of the small water drops and the dust mass center, the small water drops and the dust mass center are bonded together, so that dust particles are intercepted, and the process is called as intercepting and catching dust; the water drops gather by taking the dust as the center, so that the mass and the diameter of dust particles are increased, the collision among the dust particles is facilitated, when the dust particles collide with each other, the dust particles gradually sink and fall under the action of gravity due to the fact that the surface is surrounded by water vapor, the bounce force is reduced, and the dust generated in cutting is accelerated to sink by accelerating the speed of combination of the dust and the water drops; and the dust absorbs water greatly, so that the dust is easily intercepted by the fluff on the surface of the respiratory tract when being inhaled by a human body, and the damage to the human body is reduced.
Drawings
Fig. 1 is a first angle schematic view of a cutting dust-settling device for rock processing according to an embodiment of the invention;
fig. 2 is a second angle schematic view of a cutting and dust falling device for rock processing according to an embodiment of the present invention;
fig. 3 is a third angle schematic view of a cutting and dust falling device for rock processing according to an embodiment of the invention;
description of reference numerals: 1. a track; 2. a holder; 21. moving the block; 22. a base; 23. a connecting seat; 24. a hydraulic cylinder; 25. a support pillar; 3. a cutting assembly; 31. a motor; 32. a rotating shaft; 33. a cutter; 34. an insulating rubber transmission belt; 4. a static electricity generating assembly; 41. a first extension bar; 42. a flexible conductive sheet; 43. a second extension bar; 5. a spray assembly; 51. and a conductive plate.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 3, a cutting and dust-settling device for rock processing includes a track 1, a holder 2, a cutting assembly 3, an electrostatic generating assembly 4 and a spraying assembly 5; the cloud deck 2 runs along the track 1, and the cutting assembly 3, the static electricity generating assembly 4 and the spraying assembly 5 are arranged on the cloud deck 2;
the cutting assembly 3 comprises a motor 31, a rotating shaft 32 and a cutter 33, the motor 31 is positioned above the holder 2, the rotating shaft 32 is positioned below the holder 2 and is in insulated rotating connection with the holder 2, the cutter 33 is fixed on the rotating shaft 32 and is electrically connected, and the motor 31 is in insulated transmission connection with the rotating shaft 32;
the spraying assembly 5 is positioned on one side of the cutter 33, which generates dust when cutting rocks during working;
the static electricity generating assembly 4 is electrically connected with the rotating shaft 32 and the spraying assembly 5, and the charges of the rotating shaft 32 and the spraying assembly 5 are opposite charges.
As can be seen from the above description, by using the static electricity generating assembly 4, the moving shaft and the spraying assembly 5 are given opposite electric charges to form a distributed water mist area, the spraying assembly 5 is located at one side of the cutting tool 33 where the dust generated by cutting the rock flies out when the cutting tool 33 works, and the cutting tool 33 is charged because the cutting tool 33 is electrically connected with the rotating shaft 32, the dust with opposite charges generated by cutting enters the water mist area due to inertia, according to the principle that like charges repel each other and opposite charges attract each other, the water droplets in the water mist are easily attracted to the dust, when the distance between the sprayed water droplets and the mass center of the dust is smaller than the radius of the sprayed water droplets and the mass center of the dust, the water droplets and the dust are adhered together, so that the dust particles are intercepted and captured, and the process is called as intercepting and capturing dust; the water drops gather by taking the dust as the center, so that the mass and the diameter of dust particles are increased, the collision among the dust particles is facilitated, when the dust particles collide with each other, the dust particles gradually sink and fall under the action of gravity due to the fact that the surface is surrounded by water vapor, the bounce force is reduced, and the dust generated in cutting is accelerated to sink by accelerating the speed of combination of the dust and the water drops; and the dust absorbs water greatly, so that the dust is easily intercepted by the fluff on the surface of the respiratory tract when being inhaled by a human body, and the damage to the human body is reduced.
Further, the motor 31 is in insulated transmission connection with the rotating shaft 32 through an insulated rubber transmission belt 34, and the motor 31 is in grounding treatment.
As can be seen from the above description, the electric charge of the electrostatic generating assembly 4 to the rotating shaft 32 can be prevented from being transferred to the motor 31 through the insulating rubber transmission belt 34, and then causing the malfunction of the motor 31, and the grounding process of the motor 31 can ensure that the motor 31 is not interfered by the electrostatic charge.
Further, the static electricity generating assembly 4 includes a first extension rod 41 and a high-voltage static electricity generator, a flexible conducting strip 42 is provided at the end of the first extension rod 41, a conducting wire bundle is provided in the first extension rod 41, the conducting wire bundle is electrically connected with the high-voltage static electricity generator, and the flexible conducting strip 42 is in contact with the rotating shaft 32.
As can be seen from the above description, the flexible conductive sheet 42 can ensure that the static electricity generated by the high voltage static electricity generating device can be conducted to the rotating shaft 32, so as to charge the cutter 33.
Further, the contact position of the rotating shaft 32 and the flexible conductive sheet 42 is coated with conductive paste.
As can be seen from the above description, the arrangement of the conductive paste can improve the conductivity and ensure the lubrication effect, thereby preventing the flexible conductive sheet 42 from being worn too fast.
Further, the static electricity generating assembly 4 further comprises a second extending rod 43, and the second extending rod 43 has a conductive wire bundle therein;
the spraying component 5 comprises an outer shell, an electrostatic sprayer and a water storage tank, wherein the outer shell is detachably connected to the holder 2, the sprayer and the water storage tank are arranged in the outer shell, the water tank is communicated with the electrostatic sprayer, and the electrostatic sprayer is electrically connected with the conductive wire harness.
Further, a conductive plate 51 is provided on a side of the outer housing facing the cutter 33, and the conductive plate 51 is connected to the conductive harness wire of the second extension rod 43.
As is apparent from the above description, the conductive plate 51 allows part of the scattered dust to be adsorbed by the conductive plate 51, thereby preventing the dust from scattering.
Further, the surface of the conductive plate 51 facing the cutter 33 has a teflon coating.
From the above description, through adopting the polytetrafluoroethylene coating, because its coefficient of friction is low, after the dust accumulation is certain quantity, will fall between cutter 33 and the current conducting plate 51 under the effect of gravity, when the cutting, because the effect of air current, the cutting produces the dust and splashes, can drive gas motion and produce the air current, and then makes the dust that drops drive by the air current and enter into the water smoke district in, carry out the electric charge and adsorb, and then the emergence is dropped, has also guaranteed the cleanliness of workstation.
Further, a side surface of the conductive plate 51 facing the cutter 33 has a chromium plating layer.
As can be seen from the above description, by using the chromium plated layer, since the mohs hardness of the chromium metal is 9, and the average hardness of the general rock is 7, which is mainly composed of quartz, i.e., silica, the abrasion of the conductive plate 51 is reduced, and the service life is extended.
Further, cloud platform 2 includes displacement piece 21, base 22, connecting seat 23, pneumatic cylinder 24 and a plurality of support column 25, displacement piece 21 moves along track 1, be provided with the through-hole that a plurality of confession support columns 25 passed on the displacement piece 21, base 22 passes through support column 25 with connecting seat 23 and is connected, pneumatic cylinder 24 sets up the top at cloud platform 2, pneumatic cylinder 24's end is connected with base 22, motor 31 sets up on base 22, pivot 32 is connected in connecting seat 23 below, subassembly 4, spraying component 5 are connected on connecting seat 23 in the static electricity.
Example one
A cutting dust-settling device for rock processing comprises a track, a holder, a cutting assembly, a static electricity generation assembly and a spraying assembly; the cradle head moves along a track, and the cutting assembly, the static electricity generating assembly and the spraying assembly are arranged on the cradle head;
the cutting assembly comprises a motor, a rotating shaft and a cutter, the motor is positioned above the holder, the rotating shaft is positioned below the holder and is in insulated rotary connection with the holder, the cutter is fixed on the rotating shaft and is electrically connected, and the motor is in insulated transmission connection with the rotating shaft;
the spraying assembly is positioned on one side of the cutter, which generates dust when the cutter cuts rocks during working;
the static electricity generating assembly is electrically connected with the rotating shaft and the spraying assembly, and charges carried by the rotating shaft and the spraying assembly are opposite charges.
The motor is in insulated transmission connection with the rotating shaft through an insulated rubber transmission belt, and the motor is grounded.
The static electricity generation assembly comprises a first extension rod and a high-voltage static electricity generator, wherein a flexible conducting strip is arranged at the tail end of the first extension rod, a conducting wire bundle is arranged in the first extension rod and is electrically connected with the high-voltage static electricity generator, and the flexible conducting strip is in contact with the rotating shaft.
And the contact part of the rotating shaft and the flexible conducting strip is coated with conducting paste.
The static electricity generating assembly further comprises a second extension rod, and a conductive wire bundle is arranged in the second extension rod;
the spraying assembly comprises an outer shell, an electrostatic sprayer and a water storage tank, the outer shell is detachably connected to the holder, the sprayer and the water storage tank are arranged in the outer shell, the water tank is communicated with the electrostatic sprayer, and the electrostatic sprayer is electrically connected with the conductive wire harness.
And a conductive plate is arranged on one side of the outer shell facing the cutter, and the conductive plate is connected with the conductive wire harness wire of the second extension rod.
And the surface of one side of the conductive plate, which faces the cutter, is provided with a polytetrafluoroethylene coating.
The cradle head comprises a displacement block, a base, a connecting seat, a hydraulic cylinder and a plurality of support columns, wherein the displacement block moves along a track, a plurality of through holes for the support columns to pass through are formed in the displacement block, the base is connected with the connecting seat through the support columns, the hydraulic cylinder is arranged at the top of the cradle head, the tail end of the hydraulic cylinder is connected with the base, the motor is arranged on the base, the rotating shaft is connected below the connecting seat, and the static electricity generation assembly and the spray assembly are connected onto the connecting seat.
Example two
The utility model provides a rock machining is with cutting dust device, the same place with embodiment is no longer repeated description, and wherein the spraying subassembly has two sets ofly, is located the both sides of cutter respectively, satisfies the dust and uses when more.
EXAMPLE III
A cutting dust fall device for rock processing is not repeated in the same place with the first embodiment, wherein one side surface of the conducting plate facing to the cutter is provided with a chromium coating.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.

Claims (9)

1. A cutting and dust-settling device for rock processing is characterized by comprising a track, a holder, a cutting assembly, an electrostatic generation assembly and a spraying assembly; the holder moves along the track, and the cutting assembly, the static electricity generating assembly and the spraying assembly are arranged on the holder;
the cutting assembly comprises a motor, a rotating shaft and a cutter, the motor is positioned above the holder, the rotating shaft is positioned below the holder and is in insulated rotary connection with the holder, the cutter is fixed on the rotating shaft and is electrically connected, and the motor is in insulated transmission connection with the rotating shaft;
the spraying assembly is positioned on one side of the cutter, which generates dust when the cutter cuts rocks during working;
the static electricity generating assembly is electrically connected with the rotating shaft and the spraying assembly, and charges carried by the rotating shaft and the spraying assembly are opposite charges.
2. The cutting and dust falling device for the rock processing according to claim 1, wherein the motor is in insulation transmission connection with the rotating shaft through an insulation rubber transmission belt, and the motor is grounded.
3. The cutting and dust falling device for rock processing according to claim 1, wherein the static electricity generating assembly comprises a first extension rod and a high voltage static electricity generator, a flexible conducting strip is arranged at the tail end of the first extension rod, a conducting wire bundle is arranged in the first extension rod, the conducting wire bundle is electrically connected with the high voltage static electricity generator, and the flexible conducting strip is in contact with the rotating shaft.
4. The cutting and dust falling device for rock processing according to claim 3, wherein the contact part of the rotating shaft and the flexible conducting strip is coated with a conductive paste.
5. A cutting and dust fall apparatus for rock processing according to claim 3, wherein the static electricity generating assembly further comprises a second extension rod having a bundle of electrically conductive wires therein;
the spraying assembly comprises an outer shell, an electrostatic sprayer and a water storage tank, the outer shell is detachably connected to the holder, the sprayer and the water storage tank are arranged in the outer shell, the water tank is communicated with the electrostatic sprayer, and the electrostatic sprayer is electrically connected with the conductive wire harness.
6. A cutting and dust falling device for rock processing according to claim 5, characterized in that a conductive plate is arranged on one side of the outer shell body facing the cutter, and the conductive plate is in wire connection with the conductive wire harness of the second extension rod.
7. A cutting and dust fall device for rock processing according to claim 6, characterized in that the surface of the conductive plate facing the tool has a polytetrafluoroethylene coating.
8. A cutting and dust fall device for rock processing according to claim 6, wherein the side surface of the conductive plate facing the cutter has a chromium coating.
9. The cutting and dust falling device for rock processing according to claim 1, wherein the holder comprises a displacement block, a base, a connecting seat, a hydraulic cylinder and a plurality of support columns, the displacement block moves along a track, a plurality of through holes for the support columns to pass through are formed in the displacement block, the base is connected with the connecting seat through the support columns, the hydraulic cylinder is arranged at the top of the holder, the tail end of the hydraulic cylinder is connected with the base, the motor is arranged on the base, the rotating shaft is connected below the connecting seat, and the static electricity generation assembly and the spray assembly are connected onto the connecting seat.
CN202210130072.2A 2022-02-11 2022-02-11 Cutting dust device for rock processing Active CN114603721B (en)

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Application Number Priority Date Filing Date Title
CN202210130072.2A CN114603721B (en) 2022-02-11 2022-02-11 Cutting dust device for rock processing

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Application Number Priority Date Filing Date Title
CN202210130072.2A CN114603721B (en) 2022-02-11 2022-02-11 Cutting dust device for rock processing

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CN114603721A true CN114603721A (en) 2022-06-10
CN114603721B CN114603721B (en) 2023-05-02

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5891538B1 (en) * 2015-06-17 2016-03-23 株式会社ナカヤ Electric cutting machine with dust control function
CN106363813A (en) * 2016-11-17 2017-02-01 绥阳县华夏陶瓷有限责任公司 Surface treatment device for ceramic tiles
JP2019188552A (en) * 2018-04-26 2019-10-31 株式会社ディスコ Cutting device
CN209665921U (en) * 2018-09-14 2019-11-22 陈昌兄弟石材(上海)有限公司 Stone material cuts cleaner
CN110898588A (en) * 2019-11-29 2020-03-24 湖州神龙铝业有限公司 Dust eliminating device for aluminum substrate machining production
CN213313994U (en) * 2020-07-12 2021-06-01 江西省搏洋教育装备有限公司 Dust collector is used in school utensil table chair processing

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5891538B1 (en) * 2015-06-17 2016-03-23 株式会社ナカヤ Electric cutting machine with dust control function
CN106363813A (en) * 2016-11-17 2017-02-01 绥阳县华夏陶瓷有限责任公司 Surface treatment device for ceramic tiles
JP2019188552A (en) * 2018-04-26 2019-10-31 株式会社ディスコ Cutting device
CN209665921U (en) * 2018-09-14 2019-11-22 陈昌兄弟石材(上海)有限公司 Stone material cuts cleaner
CN110898588A (en) * 2019-11-29 2020-03-24 湖州神龙铝业有限公司 Dust eliminating device for aluminum substrate machining production
CN213313994U (en) * 2020-07-12 2021-06-01 江西省搏洋教育装备有限公司 Dust collector is used in school utensil table chair processing

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