CN110948282A - Intelligent production method and device for crankshaft of refrigeration compressor - Google Patents

Intelligent production method and device for crankshaft of refrigeration compressor Download PDF

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Publication number
CN110948282A
CN110948282A CN201911392097.4A CN201911392097A CN110948282A CN 110948282 A CN110948282 A CN 110948282A CN 201911392097 A CN201911392097 A CN 201911392097A CN 110948282 A CN110948282 A CN 110948282A
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CN
China
Prior art keywords
motor
refrigeration compressor
crankshaft
fixedly connected
telescopic rod
Prior art date
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Pending
Application number
CN201911392097.4A
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Chinese (zh)
Inventor
文勤
金礼
黄长青
马权钱
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Huadan Machinery Manufacturing Co ltd
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Anhui Huadan Machinery Manufacturing Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Huadan Machinery Manufacturing Co ltd filed Critical Anhui Huadan Machinery Manufacturing Co ltd
Priority to CN201911392097.4A priority Critical patent/CN110948282A/en
Publication of CN110948282A publication Critical patent/CN110948282A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/0042Devices for removing chips
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/0042Devices for removing chips
    • B23Q11/0046Devices for removing chips by sucking
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/22Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/22Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work
    • B23Q17/2208Detection or prevention of collisions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/22Feeding members carrying tools or work
    • B23Q5/26Fluid-pressure drives

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Compressor (AREA)

Abstract

The invention discloses an intelligent production method and device of a crankshaft of a refrigeration compressor, belonging to the field of cutting, and comprising a shell and steel rails, wherein five observation windows are arranged on the shell, the shell is a shell without a bottom at the bottom end, an exhaust fan is arranged at one end of the shell, an air inlet end of the exhaust fan penetrates through the inner wall of the shell, an air outlet end of the exhaust fan is connected with an air guide hose, one end of the air guide hose, which is far away from the air outlet end of the exhaust fan, is connected with an air filter, the air filter is arranged outdoors, the lower end of the shell is fixedly connected with a pair of roller mechanisms, the roller mechanisms are connected on the steel rails in a sliding manner, and a movable cutting mechanism is fixedly connected between the inner walls of the shell.

Description

Intelligent production method and device for crankshaft of refrigeration compressor
Technical Field
The invention relates to the technical field of cutting, in particular to an intelligent production method and device for a crankshaft of a refrigeration compressor.
Background
The crankshaft is the main rotating part of the engine, and after the connecting rod is installed, the crankshaft can bear the up-and-down (reciprocating) motion of the connecting rod to be changed into a circulating (rotating) motion. The crank-slider mechanism mainly comprises a main journal and a connecting rod journal, wherein the main journal is arranged on a cylinder body, the connecting rod journal is connected with a connecting rod big end hole, and a connecting rod small end hole is connected with a cylinder piston, and is a typical crank-slider mechanism. The processing raw materials of bent axle are the blank that the casting obtained, in the course of working, at first need cut the blank for the length of blank is unanimous with the length of finished product bent axle, then polishes the main journal position, makes the main journal smooth, avoids wearing and tearing, increase of service life. However, during the cutting process, a large amount of gas is generated and drifted in the operation workshop and then is exhausted by an exhaust device at the top of the operation workshop. The problem that smoke and dust generated in the cutting process of a crankshaft can not be processed in time and pollution is generated in the prior art exists.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide an intelligent production method and device of a crankshaft of a refrigeration compressor, which solve the problem of smoke dust generated in the cutting process of the crankshaft in the prior art.
The purpose of the invention can be realized by the following technical scheme:
an intelligent production device of a crankshaft of a refrigeration compressor comprises a shell and a steel rail, wherein five observation windows are arranged on the shell, the shell is a shell without a bottom end, an exhaust fan is arranged at one end of the shell, an air inlet end of the exhaust fan penetrates through the inner wall of the shell, an air guide hose is connected to an air outlet end of the exhaust fan, an air filter is connected to one end, away from the air outlet end of the exhaust fan, of the air guide hose, the air filter is arranged outdoors, a pair of roller mechanisms is fixedly connected to the lower end of the shell, the roller mechanisms are connected to the steel rail in a sliding mode, a movable cutting mechanism is fixedly connected between the inner walls of the shell, the movable cutting mechanism comprises a ball screw, a sliding rod, a stroke nut, a T-shaped support, a sliding rod block and a first motor, the surface of the stroke nut is connected to the, the surface sliding connection of slide bar piece is on the slide bar, fixed connection is on T type support between stroke nut and the slide bar piece, the first hydraulic telescoping rod of lower extreme fixedly connected with of T type support, the first motor of first hydraulic telescoping rod's lower extreme fixedly connected with, fixedly connected with cutting carousel in the pivot of first motor, be provided with the second hydraulic telescoping rod on the horizontal end of T type support, the terminal fixedly connected with square of second hydraulic telescoping rod, be provided with apart from the inductor in the square, apart from the inductor be used for detecting the square with distance between the horizontal end of T type support, the lower extreme of square is provided with third hydraulic telescoping rod's lower extreme fixedly connected with second motor, fixedly connected with cutting carousel in the pivot of second motor.
As a preferred scheme of the present invention, a refrigerator, a temperature sensor and a controller are disposed in the casing, an input end of the controller is connected to the temperature sensor, an output end of the controller is connected to the refrigerator, and the refrigerator, the temperature sensor and the controller are all electrically connected to an external power supply.
As a preferable scheme of the present invention, a clock circuit is further disposed in the housing, the clock circuit is connected to an input end of the controller, the first motor and the second motor are connected to an output end of the controller, and the clock circuit is configured to set operating times of the first motor, the second motor, and the refrigerator.
As a preferable scheme of the present invention, the first motor and the second motor exhaust fan are both electrically connected to the outside.
In a preferred embodiment of the present invention, the observation window is made of high temperature resistant transparent glass.
As a preferable scheme of the invention, the cutting turntable is made of high-temperature-resistant and wear-resistant materials.
As a preferable scheme of the present invention, the roller mechanism includes a bracket, a roller and a third motor, the lower end of the bracket is connected with a pair of rollers in a rolling manner, the roller is buckled on a rail, and an output end of the third motor is fixedly connected to one of the rollers.
A production method of a crankshaft of a refrigeration compressor of an intelligent production device using the crankshaft of the refrigeration compressor comprises the following steps:
the method comprises the following steps: fixing a crankshaft of a refrigeration compressor to be cut on a machine table between the steel rails through screws;
step two: starting the exhaust fan, starting the third motor, moving the shell to the position above the crankshaft of the refrigeration compressor, enabling the second hydraulic telescopic rod to work and extend to the length required by the crankshaft of the refrigeration compressor, and enabling the first motor and the second motor to work to enable the cutting turntable to rotate at a high speed;
step three: the first hydraulic telescopic rod and the third hydraulic telescopic rod extend in working, and the cutting turntable rotates at a high speed to cut the crankshaft of the refrigeration compressor;
step four: after the cutting of the turntable is finished, the first hydraulic telescopic rod and the third hydraulic telescopic rod work and contract to the initial positions, and the first motor and the second motor stop working;
step five: and the third motor is started again to move the shell to the initial position, and then the crankshaft of the refrigeration compressor is taken down from the machine table.
The invention has the beneficial effects that:
1. according to the invention, the movable shell is arranged on the steel rail, and the movable cutting mechanism and the exhaust fan are arranged in the shell, so that smoke generated in the shell can be conveniently pumped out and sent into the air purifier and discharged outdoors, and the problem of smoke generated in the cutting process of the crankshaft in the prior art is solved.
2. The invention is provided with a ball screw, a travel nut, a T-shaped support and a first motor, so that the first motor of the cutting motor horizontally moves in the width direction of a machine table, the first motor of the cutting motor vertically moves through a hydraulic telescopic rod, and the first motor of the cutting motor horizontally moves in the length direction of the machine table through a roller mechanism. The length of the cutting crankshaft is set according to the telescopic length of the second hydraulic telescopic rod, the distance between the square block and the horizontal end of the T-shaped support is displayed in real time by the distance sensor, and the length of the cutting crankshaft is converted through calculation.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a perspective view of the present embodiment;
FIG. 2 is a right side view of the present embodiment;
FIG. 3 is a top view of the present embodiment;
FIG. 4 is a schematic structural diagram of the housing of the present embodiment;
FIG. 5 is a schematic structural diagram of the mobile cutting mechanism of the present embodiment;
fig. 6 is a schematic structural diagram of the roller mechanism of the present embodiment.
Detailed Description
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.
As shown in fig. 1 to 6, an intelligent production device for a crankshaft of a refrigeration compressor comprises a casing 1 and a steel rail 3, wherein five observation windows 4 are arranged on the casing 1, the casing 1 is a casing without a bottom at the bottom end, an exhaust fan 2 is arranged at one end of the casing 1, an air inlet end of the exhaust fan 2 penetrates through the inner wall of the casing 1, an air guide hose is connected to an air outlet end of the exhaust fan 2, an air filter is connected to one end of the air guide hose, which is far away from the air outlet end of the exhaust fan 2, the air filter is arranged outdoors, a pair of roller mechanisms 6 is fixedly connected to the lower end of the casing 1, the roller mechanisms 6 are slidably connected to the steel rail 3, a mobile cutting mechanism 5 is fixedly connected between the inner walls of the casing 1, and the mobile cutting mechanism 5 comprises a ball screw 51, a slide rod 52, a stroke nut 53, The T-shaped support 54, a slide bar block 57 and a first motor 55, wherein the surface of a travel nut 53 is in threaded connection with a ball screw 51, the surface of the slide bar block 57 is in sliding connection with a slide bar 52, the travel nut 53 and the slide bar block 57 are fixedly connected with the T-shaped support 54, the lower end of the T-shaped support 54 is fixedly connected with a first hydraulic telescopic rod, the lower end of the first hydraulic telescopic rod is fixedly connected with the first motor 55, a rotating shaft of the first motor 55 is fixedly connected with a cutting turntable 56, the horizontal end of the T-shaped support 54 is provided with a second hydraulic telescopic rod 58, the tail end of the second hydraulic telescopic rod 58 is fixedly connected with a square block 59, a distance sensor is arranged in the square block 59 and used for detecting the distance between the square block 9 and the horizontal end of the T-shaped support 54, the lower end of the square block 9 is provided with a second motor fixedly connected with the lower end of a third hydraulic telescopic rod, a cutting turntable 56 is fixedly connected to the rotating shaft of the second motor. Set up the casing that removes on the rail, set up removal cutting mechanism and air exhauster in the casing, be convenient for take out the smog that produces in the casing and send into air purifier, discharge to outdoor side, solved among the prior art the problem of the smoke and dust that the bent axle produced in the cutting process. The ball screw, the stroke nut, the T-shaped support and the first motor are arranged, so that the first motor of the cutting motor horizontally moves in the width direction of the machine table, the first motor of the cutting motor moves in the vertical direction through the hydraulic telescopic rod, and the first motor of the cutting motor horizontally moves in the length direction of the machine table through the roller mechanism. The length of the cutting crankshaft is set according to the telescopic length of the second hydraulic telescopic rod, the distance between the square block and the horizontal end of the T-shaped support is displayed in real time by the distance sensor, and the length of the cutting crankshaft is converted through calculation.
A refrigerator, a temperature sensor and a controller are arranged in the machine shell 1, the input end of the controller is connected with the temperature sensor, the output end of the controller is connected with the refrigerator, and the refrigerator, the temperature sensor and the controller are all electrically connected with an external power supply. Still be provided with clock circuit in the casing 1, clock circuit connects the input at the controller, first motor 55 and second motor are connected on the output of controller, clock circuit is used for setting for the operating time of first motor 55, second motor and refrigerator. The first motor 55 and the second motor exhaust fan 2 are both electrically connected with the outside. The observation window 7 is made of high-temperature-resistant transparent glass. The cutting disks 56 are made of a high temperature resistant and wear resistant material. The roller mechanism 6 comprises a bracket 61, rollers 62 and a third motor 63, wherein the lower end of the bracket 61 is connected with a pair of rollers 62 in a rolling manner, the rollers 62 are buckled on the rail 4, and the output end of the third motor 63 is fixedly connected with one of the rollers 62.
A production method of a crankshaft of a refrigeration compressor of an intelligent production device using the crankshaft of the refrigeration compressor comprises the following steps:
the method comprises the following steps: fixing a crankshaft of a refrigeration compressor to be cut on a machine table between the steel rails 3 through screws;
step two: starting the exhaust fan 2, starting the third motor 63, moving the machine shell 1 to the position above the crankshaft of the refrigeration compressor, enabling the second hydraulic telescopic rod 58 to work and extend to the length required by the crankshaft of the refrigeration compressor, and enabling the first motor 55 and the second motor to work to enable the cutting turntable 56 to rotate at a high speed;
step three: the first hydraulic telescopic rod and the third hydraulic telescopic rod extend in working, and the cutting turntable 56 rotates at a high speed to cut the crankshaft of the refrigeration compressor;
step four: after the cutting of the turntable 56 is finished, the first hydraulic telescopic rod and the third hydraulic telescopic rod work and contract to the initial positions, and the first motor 55 and the second motor stop working;
step five: and the third motor 63 is started again to move the machine shell 1 to the initial position, and then the crankshaft of the refrigeration compressor is taken down from the machine platform.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims (8)

1. The utility model provides an intelligent apparatus for producing of refrigeration compressor bent axle, includes casing (1) and rail (3), its characterized in that: be provided with five observation windows (4) on casing (1), casing (1) is the bottomless casing in bottom, the one end of casing (1) is provided with air exhauster (2), the air inlet end of air exhauster (2) runs through the inner wall of casing (1), be connected with air guide hose on the air-out end of air exhauster (2), air guide hose keeps away from the one end of the air-out end of air exhauster (2) and is connected with air cleaner, air cleaner sets up outdoor, a pair of gyro wheel mechanism (6) of lower extreme fixedly connected with of casing (1), gyro wheel mechanism (6) sliding connection is on rail (3), fixedly connected with removes cutting mechanism (5) between the inner wall of casing (1), remove cutting mechanism (5) and include ball screw (51), slide bar (52), The device comprises a stroke nut (53), a T-shaped support (54), a sliding rod block (57) and a first motor (55), wherein the surface of the stroke nut (53) is in threaded connection with a ball screw (51), the surface of the sliding rod block (57) is in sliding connection with a sliding rod (52), the stroke nut (53) and the sliding rod block (57) are fixedly connected onto the T-shaped support (54), the lower end of the T-shaped support (54) is fixedly connected with a first hydraulic telescopic rod, the lower end of the first hydraulic telescopic rod is fixedly connected with the first motor (55), a rotating shaft of the first motor (55) is fixedly connected with a cutting turntable (56), the horizontal end of the T-shaped support (54) is provided with a second hydraulic telescopic rod (58), the tail end of the second hydraulic telescopic rod (58) is fixedly connected with a square block (59), and a distance sensor is arranged in the square block (59), the distance sensor is used for detecting the distance between the square block (9) and the horizontal end of the T-shaped support (54), the lower end of the square block (9) is provided with a second motor fixedly connected with the lower end of a third hydraulic telescopic rod, and a cutting turntable (56) is fixedly connected to the rotating shaft of the second motor.
2. The intelligent production device of a refrigeration compressor crankshaft of claim 1, characterized in that: a refrigerator, a temperature sensor and a controller are arranged in the machine shell 1, the input end of the controller is connected with the temperature sensor, the output end of the controller is connected with the refrigerator, and the refrigerator, the temperature sensor and the controller are all electrically connected with an external power supply.
3. An intelligent production device of a refrigeration compressor crankshaft according to claim 2, characterized in that: still be provided with clock circuit in casing (1), clock circuit connects the input at the controller, first motor (55) and second motor are connected on the output of controller, clock circuit is used for setting for the operating time of first motor (55), second motor and refrigerator.
4. The intelligent production device of a refrigeration compressor crankshaft of claim 1, characterized in that: the first motor (55) and the second motor exhaust fan (2) are both electrically connected with the outside.
5. The intelligent production device of a refrigeration compressor crankshaft of claim 1, characterized in that: the observation window (7) is made of high-temperature-resistant transparent glass.
6. The intelligent production device of a refrigeration compressor crankshaft of claim 1, characterized in that: the cutting rotary disc (56) is made of high-temperature-resistant and wear-resistant materials.
7. The intelligent production device of a refrigeration compressor crankshaft of claim 1, characterized in that: the roller mechanism (6) comprises a support (61), rollers (62) and a third motor (63), a pair of rollers (62) is connected to the lower end of the support (61) in a rolling mode, the rollers (62) are buckled on the rail (4), and the output end of the third motor (63) is fixedly connected to one of the rollers (62).
8. A refrigeration compressor crankshaft production method using an intelligent production device of a refrigeration compressor crankshaft as claimed in claim 7, characterized by comprising the steps of:
the method comprises the following steps: fixing a crankshaft of a refrigeration compressor to be cut on a machine table between the steel rails (3) through screws;
step two: starting the exhaust fan (2), starting the third motor (63), moving the shell (1) to the position above the crankshaft of the refrigeration compressor, enabling the second hydraulic telescopic rod (58) to work and extend to the length required by the crankshaft of the refrigeration compressor, and enabling the first motor (55) and the second motor to work to enable the cutting turntable (56) to rotate at a high speed;
step three: the first hydraulic telescopic rod and the third hydraulic telescopic rod extend in working, and the cutting turntable (56) rotates at a high speed to cut the crankshaft of the refrigeration compressor;
step four: after the cutting of the rotary table (56) is finished, the first hydraulic telescopic rod and the third hydraulic telescopic rod work and contract to the initial positions, and the first motor (55) and the second motor stop working;
step five: and the third motor (63) is started again to move the shell (1) to the initial position, and then the crankshaft of the refrigeration compressor is taken down from the machine table.
CN201911392097.4A 2019-12-30 2019-12-30 Intelligent production method and device for crankshaft of refrigeration compressor Pending CN110948282A (en)

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CN201911392097.4A CN110948282A (en) 2019-12-30 2019-12-30 Intelligent production method and device for crankshaft of refrigeration compressor

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Application Number Priority Date Filing Date Title
CN201911392097.4A CN110948282A (en) 2019-12-30 2019-12-30 Intelligent production method and device for crankshaft of refrigeration compressor

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CN207343913U (en) * 2017-09-29 2018-05-11 黄河科技学院 Measured length cutting equipment
CN107718327A (en) * 2017-11-28 2018-02-23 桂阳磊腾新材料科技有限公司 A kind of quartzite slate cutter device
CN208214465U (en) * 2018-01-29 2018-12-11 河源迪奇亚工业技术有限公司 A kind of cable wire cutting length control mechanism
CN108296542A (en) * 2018-02-08 2018-07-20 湖北鸿地重工股份有限公司 A kind of Double-cutter head hi-precision cutting steel construction machine
CN207983458U (en) * 2018-03-16 2018-10-19 阜阳大峰野再生资源有限公司 A kind of printed circuit board cutting equipment of self raising flour dirt
CN208196903U (en) * 2018-04-28 2018-12-07 中山市保珑橡塑制品有限公司 A kind of rubber and plastic insulation board automatic cutting device
CN208501016U (en) * 2018-05-14 2019-02-15 四川圣山白玉兰实业有限公司 A kind of leather cutter device for clothing making
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CN209334813U (en) * 2019-01-28 2019-09-03 大连交通大学 It is a kind of to be machined the fixed length cutting mechanism used
CN211760157U (en) * 2019-12-30 2020-10-27 安徽华旦机械制造有限公司 Intelligent production device for crankshaft of refrigeration compressor

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CN111791084A (en) * 2020-06-12 2020-10-20 安徽东顺汽车研发有限公司 Cutting device for truck bottom plate and using method thereof

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