CN111890566A - Special fine machining device for table type rock core - Google Patents
Special fine machining device for table type rock core Download PDFInfo
- Publication number
- CN111890566A CN111890566A CN202010785340.5A CN202010785340A CN111890566A CN 111890566 A CN111890566 A CN 111890566A CN 202010785340 A CN202010785340 A CN 202010785340A CN 111890566 A CN111890566 A CN 111890566A
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- shell
- machining device
- special fine
- fine machining
- rock core
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
- B28D1/08—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with saw-blades of endless cutter-type, e.g. chain saws, i.e. saw chains, strap saws
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
- B28D1/10—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with provision for measuring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
Abstract
The invention discloses a special fine machining device for a table type rock core, which comprises an underframe, wherein a mounting plate is arranged at the top of the underframe, a shell is arranged at the top of the mounting plate, an operating panel is arranged on one side of the shell, a display screen is arranged on one side of the operating panel, a box door is arranged at the top of the shell, and a driving wheel is arranged on one side inside the shell. The equipment is light and convenient, is easy to carry and move, and has no special requirement on the placement environment; the equipment is simple to operate, the structure is designed in a single-wire closed loop mode, the cutting wire can be fixed and operated only by simply sleeving the cutting wire in the guide wheel groove, the operation period is long, complex replacement is not needed, and the processing efficiency is improved by 30%; the interface motion track is clear, the interface is simple and clear, excessive complex operation is avoided, the walking track is monitored in real time, and cutting errors are avoided; the appearance is neat and beautiful, the inside and the outside are consistent, the product quality is too hard, generous, fresh and neat, and certain beneficial effects are achieved.
Description
Technical Field
The invention relates to the field of geological engineering exploration, in particular to a special fine processing device for a table type rock core.
Background
Most products on the market are mainly of several types:
the first type is a core drilling machine and a slicing machine which are formed by transforming a conventional universal equipment bench drilling machine, the structure is simple, only products with fixed sizes can be processed, the size difference of finished products is large, the fine processing requirement cannot be met, and the high-requirement experiment requirement cannot be met;
the second type is a bow-frame moving type diamond wire cutting machine which is mainly applied to cutting various crystals, gemstones, monocrystalline silicon, polycrystalline silicon, non-metallic materials and various superhard brittle materials and is also suitable for scientific research work in laboratories or research units. Compared with the first type, the cutting precision can meet the requirement of material cutting precision, the cutting surface is smooth, the material can be directly polished after being cut, the grinding process is omitted, and the time and the material are saved. Meanwhile, due to structural limitation, the device is not suitable for rock samples with soft relative hardness, such as mudstone, sandstone and the like; and the equipment has larger self weight, and because the single sand line is used for reciprocating drag saw movement, the sand line has larger loss and short service cycle. It cannot fully meet the requirements of some laboratories.
The third is a diamond wire cutting machine, the equipment is also a relatively main processing mode in the market at present, the equipment is formed by transforming the wire cutting machine of the original general equipment, so the processing precision is greatly improved compared with the first equipment, and various requirements of laboratory core preparation can be basically met.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a special fine machining device for a table type rock core, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a special fine machining device of desk-top rock core, includes the chassis, the top of chassis is provided with the mounting panel, the top of mounting panel is provided with the shell, one side of shell is provided with the operation panel, one side of operation panel is provided with the display screen, the top of shell is provided with the chamber door, inside one side of shell is provided with the drive wheel, the inside opposite side of shell is provided with drive assembly.
Preferably, one side of transmission assembly is provided with driving motor, axle center department one side of drive wheel is provided with the mounting bracket, one side of mounting bracket is provided with the transfer line, the one end of transfer line is provided with from the driving wheel, top one side of mounting bracket is provided with step motor, the inside of shell is provided with spacing frame, the bottom of spacing frame is provided with control motor, surface one side of shell is provided with the louvre.
Preferably, one side of the transmission assembly is fixedly connected with an output shaft of the driving motor, and the number of the driving wheels and the number of the driven wheels are two.
Preferably, the driving wheel is in transmission connection with the driven wheel through a transmission rod, and the axis of the driving wheel is in rotation connection with one side of the mounting frame.
Preferably, the driving motor is a high-speed servo motor, and the stepping motor can drive the XY axes with high precision.
Preferably, the shell is made of aviation aluminum, the underframe is made of aviation aluminum, and the top of the underframe is fixedly connected with the bottom of the mounting plate.
Preferably, the operation panel is electrically connected with the driving motor, and a control unit is arranged in the operation panel.
Compared with the prior art, the invention has the beneficial effects that:
firstly, the method comprises the following steps: the equipment is light and convenient, is easy to carry and move, and has no special requirement on the placing environment; other similar equipment has large volume and heavy weight, has high requirement on the field of a laboratory, and generally cannot meet the field requirement of a high-rise laboratory;
secondly, the method comprises the following steps: the equipment is simple to operate, the structure is designed in a single-wire closed loop mode, the cutting wire can be fixed and operated only by simply sleeving the cutting wire in the guide wheel groove, the operation period is long, complex replacement is not needed, and the processing efficiency is improved by 30%; other similar products wind the cutting wire around the wire storage cylinder in advance, and have long length, and the cutting wire needs to be completely replaced every time of replacement, so the operation is complicated;
thirdly, the method comprises the following steps: the interface motion track is clear, the interface is simple and clear, excessive complex operation is avoided, the walking track is monitored in real time, and cutting errors are avoided; other similar products cannot monitor the real-time cutting track, and the cutting missing step or the cutting track separated from the cutting track cannot be displayed;
fourthly: the appearance is neat and beautiful, the inside and the outside are consistent, the product quality is over hard, generous, fresh and neat; other similar products have exaggerated appearance, complicated working procedures and different interior and exterior.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a transmission mechanism according to the present invention;
FIG. 3 is a schematic top view of the overall structure of the present invention;
FIG. 4 is a schematic top view of the structure of the transmission mechanism of the present invention;
FIG. 5 is a schematic view of a portion of the structure of the present invention;
FIG. 6 is a schematic side view of the overall structure of the present invention;
in the figure: 1. a chassis; 2. mounting a plate; 3. a housing; 4. an operation panel; 5. a display screen; 6. a box door; 7. a drive wheel; 8. a transmission assembly; 9. a drive motor; 10. a mounting frame; 11. a transmission rod; 12. a driven wheel; 13. a stepping motor; 14. a limiting frame; 15. controlling the motor; 16. and (4) heat dissipation holes.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a special fine machining device of desk-top rock core, including chassis 1, the top of chassis 1 is provided with mounting panel 2, the top of mounting panel 2 is provided with shell 3, one side of shell 3 is provided with operation panel 4, one side of operation panel 4 is provided with display screen 5, the top of shell 3 is provided with chamber door 6, inside one side of shell 3 is provided with drive wheel 7, the inside opposite side of shell 3 is provided with drive assembly 8, the whole aviation aluminium material that adopts of equipment, when guaranteeing the intensity of equipment itself, the whole quality of equipment has been alleviateed greatly.
Further explaining the internal structure of the device, in the embodiment, preferably, a driving motor 9 is arranged on one side of a transmission component 8, an installation frame 10 is arranged on one side of the axis of a driving wheel 7, a transmission rod 11 is arranged on one side of the installation frame 10, a driven wheel 12 is arranged at one end of the transmission rod 11, a stepping motor 13 is arranged on one side of the top of the installation frame 10, a limiting frame 14 is arranged inside the shell 3, a control motor 15 is arranged at the bottom of the limiting frame 14, heat dissipation holes 16 are arranged on one side of the outer surface of the shell 3, the structural part is redesigned, a single-line closed-loop design and a one-way continuous motion are adopted; more suitable for running in a laboratory.
The internal structure of the device is further explained, in the embodiment, preferably, one side of the transmission assembly 8 is fixedly connected with an output shaft of the driving motor 9, the number of the driving wheels 7 and the number of the driven wheels 12 are two, the main shaft is a power driving part, the main shaft adopts a high-speed servo motor as a main driving wheel, materials with different hardness can be better suitable for cutting, and stepless speed regulation can be realized at high and low speeds.
Further explaining the internal structure of the device, in the embodiment, preferably, the driving wheel 7 is in transmission connection with the driven wheel 12 through the transmission rod 11, the axis of the driving wheel 7 is in rotation connection with one side of the mounting frame 10, the platform sliding guide rail is a precise linear sliding guide rail, the platform sliding gap is small, and the cutting precision is higher.
Further expounded the inner structure of device, in this embodiment, preferably, driving motor 9 is high-speed servo motor, and step motor 13 can drive the XY axle by the high accuracy, and XY axle drive adopts high accuracy step motor drive, and the cooperation precision ball screw transmission to improve cutting accuracy greatly.
Further expounded the inner structure of device, in this embodiment, preferably, the material of shell 3 is aviation aluminium, and the material of chassis 1 is aviation aluminium, is fixed connection between the top of chassis 1 and the bottom of mounting panel 2, and the sand line part we change the mode of original silk storage section of thick bamboo, adopts the closed-loop mode of single line, improves the cutting efficiency of sand line.
The device whole operation of being convenient for has maintained the wholeness of device, and in this embodiment, preferred is electric connection between operation panel 4 and driving motor 9, and the inside of operation panel 4 is provided with the control unit, and the software part is independently research and development design control software, customizes according to conventional user's user demand, and the interface is succinct clear, easy operation.
The working principle and the using process of the invention are as follows: in order to better adapt to the use environment and technical requirements of laboratories and the convenience of operation of operators, the company especially develops a special fine processing device for cores for use in various large core preparation laboratories. The specific scheme is that the core needing to be machined and cut is fixed on the moving platform through the special fixture for the equipment, the core needing to be cut is cut by the high-speed closed-loop carborundum cutting line through the motion track set by the system, so that a core sample required by an experiment is obtained, the whole process adopts full-digital automatic operation, and the device is simple and convenient and safe to operate.
The product has the following characteristics;
firstly, the strength is high, the weight is light, the volume is small, the frame part is made of high-strength aviation aluminum alloy materials and is integrally processed and molded by a numerical control machine, the stress deformation of the internal stress of the materials to the equipment is avoided, the strength of the machine body is high, the integral precision is high, the deformation is not easy to generate, the shell adopts an electrostatic adsorption spraying paint baking process, the weather corrosion resistance is high, the friction resistance is high, the surface strength is high, and the like;
secondly, the method comprises the following steps: the guide groove part of the large-diameter cutting guide wheel is made of wear-resistant polyurethane, so that the linear speed is increased, the stability of a cutting wire rod can be effectively guaranteed, high-frequency vibration caused by high-speed rotation is avoided, the cutting wire rod can be better protected from being damaged due to the polyurethane, and the service life is prolonged; the wheels are processed by a high-speed dynamic balance process, so that the wheels cannot jump in the high-speed running process, and the vibration of a machine tool is avoided;
thirdly, the method comprises the following steps: the special sliding table for cutting is designed, in order to improve the product forming precision, the precision requirement of the sliding table part is relatively high, the sliding table slide part adopts the design of a high-precision linear guide rail, the guide rail is formed by precisely grinding high-speed steel, a sliding block adopts a precise ball sliding block, the friction clearance is small, the resistance is small, the transmission efficiency is high, the motion is stable, the transmission part adopts a stepping motor to match with a precise ball screw, a plurality of balls are arranged between a screw shaft and a screw nut of the ball screw pair to perform rolling motion, and therefore the higher motion efficiency can be obtained. Compared with the prior sliding screw pair, the power required for achieving the driving torque below 1/3, namely achieving the same motion result is 1/3 using the sliding screw pair, the ball screw pair is generally produced continuously by mechanical equipment at the highest level in the world, particularly in terms of grinding, assembling and checking the factory environment of each process, the temperature and the humidity are strictly controlled, and the precision is fully ensured due to a perfect quality management system. The ball screw pair utilizes the movement of the balls, so the starting torque is extremely small, the creeping phenomenon of sliding motion can not occur, and the accurate micro-feeding can be ensured;
fourthly: the software control part is designed through the convenience function of the matching practical operation process, software is re-optimized and customized, the use efficiency is better improved, the cutting efficiency is higher through the control of the professional motion control board card, and a user can process data simply and visually. The interface display is clear.
Fifth, the method comprises the following steps: the appearance is neat and attractive, manpower and material resources are saved, and the clothes hanger is simple, elegant, fresh and neat and has a certain use prospect.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a special fine processing device of desk-top rock core, includes chassis (1), its characterized in that: the top of chassis (1) is provided with mounting panel (2), the top of mounting panel (2) is provided with shell (3), one side of shell (3) is provided with operation panel (4), one side of operation panel (4) is provided with display screen (5), the top of shell (3) is provided with chamber door (6), inside one side of shell (3) is provided with drive wheel (7), the inside opposite side of shell (3) is provided with drive assembly (8).
2. The special fine machining device for the table core as claimed in claim 1, wherein: one side of transmission assembly (8) is provided with driving motor (9), axle center department one side of drive wheel (7) is provided with mounting bracket (10), one side of mounting bracket (10) is provided with transfer line (11), the one end of transfer line (11) is provided with from driving wheel (12), top one side of mounting bracket (10) is provided with step motor (13), the inside of shell (3) is provided with spacing frame (14), the bottom of spacing frame (14) is provided with control motor (15), surface one side of shell (3) is provided with louvre (16).
3. The special fine machining device for the bench rock core as claimed in claim 2, wherein: one side of the transmission component (8) is fixedly connected with an output shaft of the driving motor (9), and the number of the driving wheels (7) and the number of the driven wheels (12) are two.
4. The special fine machining device for the bench rock core as claimed in claim 2, wherein: the driving wheel (7) is in transmission connection with the driven wheel (12) through a transmission rod (11), and the axis of the driving wheel (7) is rotatably connected with one side of the mounting rack (10).
5. The special fine machining device for the bench rock core as claimed in claim 2, wherein: the driving motor (9) is a high-speed servo motor, and the stepping motor (13) can drive the XY axes with high precision.
6. The special fine machining device for the table core as claimed in claim 1, wherein: the material of shell (3) is aviation aluminium, the material of chassis (1) is aviation aluminium, be fixed connection between the top of chassis (1) and the bottom of mounting panel (2).
7. The special fine machining device for the table core as claimed in claims 1 and 2, wherein: the operation panel (4) is electrically connected with the driving motor (9), and a control unit is arranged inside the operation panel (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010785340.5A CN111890566A (en) | 2020-08-06 | 2020-08-06 | Special fine machining device for table type rock core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010785340.5A CN111890566A (en) | 2020-08-06 | 2020-08-06 | Special fine machining device for table type rock core |
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| Publication Number | Publication Date |
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| CN111890566A true CN111890566A (en) | 2020-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010785340.5A Pending CN111890566A (en) | 2020-08-06 | 2020-08-06 | Special fine machining device for table type rock core |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104441285A (en) * | 2014-11-17 | 2015-03-25 | 福州天石源超硬材料工具有限公司 | Small horizontal annular diamond wire cutting machine |
| CN205112115U (en) * | 2015-09-24 | 2016-03-30 | 天津市环亚建筑工程环境质量检测有限公司 | Desk -top building external wall insulation uses rock wool wire cut electrical discharge machining |
| CN105619628A (en) * | 2016-02-18 | 2016-06-01 | 安徽旭能光伏电力有限公司 | Machining and cutting device for double-face glass crystal silicon wafers |
| CN205497816U (en) * | 2016-04-07 | 2016-08-24 | 西安科技大学 | Full -automatic rock detection cutting machine |
| CN206223467U (en) * | 2016-11-04 | 2017-06-06 | 中国石油天然气股份有限公司 | It is capable of achieving the cutting equipment of rock core arbitrary shape processing |
| CN108098874A (en) * | 2017-12-15 | 2018-06-01 | 长沙志唯电子科技有限公司 | A kind of rice paper cutting robot |
| CN208772340U (en) * | 2018-08-09 | 2019-04-23 | 昆山顺诠达电子有限公司 | A kind of tin silk automatic gas cutting machine |
| CN208962107U (en) * | 2018-09-29 | 2019-06-11 | 青岛戴姆雷博机器人科技有限公司 | A kind of novel foam cutter device |
| CN209257087U (en) * | 2018-12-11 | 2019-08-16 | 常州快乐科技有限公司 | A kind of annular horizontal rotary cutting machine |
| CN110459396A (en) * | 2019-08-09 | 2019-11-15 | 江苏博瑞通磁业有限公司 | A kind of single line type magnet cutting machine |
| CN110666993A (en) * | 2019-10-25 | 2020-01-10 | 江苏佳晟精密设备科技有限公司 | Multi-angle swinging multi-wire cutting machine |
-
2020
- 2020-08-06 CN CN202010785340.5A patent/CN111890566A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104441285A (en) * | 2014-11-17 | 2015-03-25 | 福州天石源超硬材料工具有限公司 | Small horizontal annular diamond wire cutting machine |
| CN205112115U (en) * | 2015-09-24 | 2016-03-30 | 天津市环亚建筑工程环境质量检测有限公司 | Desk -top building external wall insulation uses rock wool wire cut electrical discharge machining |
| CN105619628A (en) * | 2016-02-18 | 2016-06-01 | 安徽旭能光伏电力有限公司 | Machining and cutting device for double-face glass crystal silicon wafers |
| CN205497816U (en) * | 2016-04-07 | 2016-08-24 | 西安科技大学 | Full -automatic rock detection cutting machine |
| CN206223467U (en) * | 2016-11-04 | 2017-06-06 | 中国石油天然气股份有限公司 | It is capable of achieving the cutting equipment of rock core arbitrary shape processing |
| CN108098874A (en) * | 2017-12-15 | 2018-06-01 | 长沙志唯电子科技有限公司 | A kind of rice paper cutting robot |
| CN208772340U (en) * | 2018-08-09 | 2019-04-23 | 昆山顺诠达电子有限公司 | A kind of tin silk automatic gas cutting machine |
| CN208962107U (en) * | 2018-09-29 | 2019-06-11 | 青岛戴姆雷博机器人科技有限公司 | A kind of novel foam cutter device |
| CN209257087U (en) * | 2018-12-11 | 2019-08-16 | 常州快乐科技有限公司 | A kind of annular horizontal rotary cutting machine |
| CN110459396A (en) * | 2019-08-09 | 2019-11-15 | 江苏博瑞通磁业有限公司 | A kind of single line type magnet cutting machine |
| CN110666993A (en) * | 2019-10-25 | 2020-01-10 | 江苏佳晟精密设备科技有限公司 | Multi-angle swinging multi-wire cutting machine |
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Application publication date: 20201106 |
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