CN113894317A - Flexible automatic production line for machining hexagonal nut safety hole and production method thereof - Google Patents
Flexible automatic production line for machining hexagonal nut safety hole and production method thereof Download PDFInfo
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- CN113894317A CN113894317A CN202111144119.2A CN202111144119A CN113894317A CN 113894317 A CN113894317 A CN 113894317A CN 202111144119 A CN202111144119 A CN 202111144119A CN 113894317 A CN113894317 A CN 113894317A
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- 238000003754 machining Methods 0.000 title claims abstract description 50
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 31
- 238000005553 drilling Methods 0.000 claims abstract description 36
- 230000033001 locomotion Effects 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 23
- 238000012545 processing Methods 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 16
- 230000007246 mechanism Effects 0.000 claims description 13
- 238000009826 distribution Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 10
- 230000009471 action Effects 0.000 claims description 6
- 230000006698 induction Effects 0.000 claims description 3
- 230000003252 repetitive effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
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- 238000004080 punching Methods 0.000 description 1
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- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/003—Cyclically moving conveyors
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Abstract
The invention relates to the field of hole machining of a hexagonal nut safety hole, in particular to a flexible automatic production line for machining the hexagonal nut safety hole and a production method thereof, wherein the flexible automatic production line comprises a bearing workbench for providing support, an automatic feeding device, a nut machining device and a nut conveying device, and the production method comprises the following specific steps: s1, preparing materials; s2, operating; s3, moving the workpiece; s4, impact fixing; s5, clamping; s6, starting a switch; s7, fixing; s8, rotating and moving; s9, transmission; s10, drilling; s11, moving up and down; s12, repeating the movement; s13, transmitting; s14, automatic discharging; s15, ending; through the repeated movement of the precise linear guide rail group and the movable guide rail, the gentle and precise movement is realized, and compared with the uncertainty of people, the stability and the consistency of a machine replace manual processing, so that the manpower is liberated, the production efficiency is improved, and products with good product quality consistency are obtained.
Description
Technical Field
The invention relates to the field of hole machining of a hexagonal nut safety hole, in particular to a flexible automatic production line for machining the hexagonal nut safety hole and a production method thereof.
Background
With the increasing development of military industries such as aerospace and the like, the manufacturing industry is also very popular for the production of parts, wherein hexagonal parts such as bolts, nuts and the like are in great demand in the repair process, most of the hexagonal parts need to be processed into safety holes, and the current processing mode is finished by manual operation. Because the total amount of the parts is large, a large amount of labor and time are occupied, the consistency of the product quality is not ensured, and the quality problems of gaps, damaged threads and the like often occur.
The machining of the safety center hole of the existing hexagonal nut is an important work of a bench worker, the safety hole is mainly distributed on a plane, an inclined plane and a thread surface, the machining difficulty of the latter two is high, and the requirement on the skill of an operator is high. The standard safety hole has the advantages that the size of the standard safety hole is required to meet the standard requirement, the shapes of orifices are required to be consistent as much as possible, the shapes of an ellipse, a cone and the like cannot appear, but due to the factors of large demand, multiple batches, subjective reasons of operators and the like, the processing of parts not only occupies a large amount of processing time, but also has frequent quality problems. The main reason for the problem is instability. From size marking, center hole drilling and chamfering, uncertainty exists in each step, particularly center hole drilling, and the quality of formed holes is directly related. Due to the uncertainty of people and the stability and consistency of the machine, the machine can be used for replacing manual processing, so that the manpower is liberated, the production efficiency is improved, and products with good product quality consistency are obtained.
Disclosure of Invention
In order to solve the problems, the invention provides a flexible automatic production line for machining a hexagonal nut safety hole and a production method thereof.
The utility model provides a flexible automation line for processing of hexagonal nut insurance hole, includes the workstation that bears that is used for providing the support, still includes:
the automatic feeding device is arranged on the bearing workbench and used for placing hexagonal nut workpieces to be processed in the nut chutes in batches, and the placing type is used for carrying out batch automatic feeding in a 90-degree steering mode, so that uninterrupted high efficiency is realized;
the nut processing device is arranged on the bearing workbench and used for clamping the hexagonal nut and carrying out corresponding processing treatment;
and the nut conveying device is arranged on the bearing workbench and used for conveying the processed hexagonal nuts to the next hole machining process.
The automatic feeding device comprises a rotary material distribution platform, a plurality of groups of three-dimensional warehouse chutes and a feeding mechanism, wherein the rotary material distribution platform is arranged on the bearing workbench and used for rotary feeding according to set parameters, the three-dimensional warehouse chutes are uniformly distributed on the rotary material distribution platform, and the feeding mechanism is arranged on the bearing workbench and matched with the three-dimensional warehouse chutes for feeding.
The feeding mechanism comprises a supporting and conveying block arranged on the bearing workbench, an L-shaped boss arranged on the supporting and conveying block, a lead screw guide rail arranged on the bearing workbench, a servo moving block arranged on the lead screw guide rail and matched with the L-shaped boss, and a feeding support matched with the servo moving block and used for receiving the hexagonal nut.
The nut machining device comprises a round rod for playing a pneumatic impact role, a positioning spring chuck for clamping and fixing the hexagonal nut to be machined through impact of the round rod, an indexing main shaft for loading and unloading a workpiece and receiving signals, a motor for providing power for the indexing main shaft, and a machining mechanism for machining the hexagonal nut.
The machining mechanism comprises a precise linear guide rail group and a movable guide rail which move up and down, a centering hole drilling tool arranged on the precise linear guide rail group, and a high-speed main shaft arranged on the movable guide rail and used for realizing precise drilling at two positions.
The indexing main shaft and the motor are stably transmitted through a belt.
The nut conveying device is a flat and wide guide rail which is matched with the indexing main shaft to be conveyed to the next hole machining process after the centering hole drilling tool is machined.
A production method of a flexible automatic production line for machining a hexagonal nut safety hole comprises the following specific steps:
s1, preparing materials: manually collecting the hexagonal nuts to be processed and sequentially placing the nuts into the grooves of the three-dimensional warehouse sliding groove in a state that a machine switch is turned off;
s2, operation: when each hexagonal nut to be processed is regularly arranged and the equipment normally operates, workpieces to be processed are uniformly distributed on the three-dimensional warehouse chute 3, and the operation at different rotating speeds is carried out according to selected electrical parameters;
s3, workpiece movement: when the station rotating and distributing platform rotates to a specific position, the L-shaped boss in the supporting and conveying block moves to the feeding support through the bottom servo moving block, and accurate movement is realized through the lead screw guide rail;
s4, impact fixing: when the bottom servo moving block moves to the feed opening of the rotary material distribution platform, under the action of pneumatic impact of the round rod, the hexagonal nut to be processed is placed into a special positioning spring chuck for clamping and fixing;
s5, clamping: after the positioning spring chuck clamps the hexagonal nut to be processed, the hexagonal nut is transmitted through the lead screw guide rail and moves to the indexing main shaft;
s6, starting switch: in the process of transporting the lead screw guide rail, an indexing main shaft for loading and unloading workpieces receives a transmission signal and starts a switch;
s7, fixing: the indexing main shaft for loading and unloading the workpiece clamps and fixes the workpiece to be machined under the action of the pneumatic impact of the round rod;
s8, rotational movement: the special spring clamp performs servo indexing rotation and movement through an indexing main shaft for loading and unloading workpieces;
s9, transmission: the power of an indexing main shaft for loading and unloading workpieces is provided by a motor, and the power is stably transmitted through a belt;
s10, drilling: when an indexing main shaft for loading and unloading a workpiece moves to a specific position, the centering hole drilling tool is started through a sensor induction device;
s11, moving up and down: the centering hole drilling tool moves up and down through the precise linear guide rail set;
s12, repeating the movement: the precise linear guide rail group controls the up-and-down motion through a servo motor, and repeatedly and precisely moves from the beginning to the end;
s13, transmission: after the station for drilling the centering hole is processed, the centering hole is transmitted to the next hole processing procedure by the indexing main shaft through the flat and wide guide rail;
s14, automatic discharging: the equipment automatically discharges materials after the drilling process is finished, and the discharge hole is butted with a discharge chute, so that products can be conveniently collected;
and S15, ending: and after the machining is finished, the indexing main shaft for loading and unloading the workpiece receives the transmission signal and transmits the transmission signal through the lead screw guide rail to perform the next cycle of operation machining.
The invention has the beneficial effects that: through an automatic feeding device arranged on the bearing workbench, batch automatic feeding is carried out in a 90-degree steering mode according to the placement type, and uninterrupted high efficiency is realized; through accurate linear guide group and the repetitive movement of mobile rail, the hexagonal nut that will wait for processing is carried to the station of loading and unloading work piece, realizes gentle accurate removal, and for the uncertainty of people, the stability of machine, uniformity replace manual work processing to realize liberating the manpower, improve production efficiency, obtain the product that the product quality uniformity is good.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a first perspective view of the present invention;
fig. 2 is a schematic perspective view of the present invention.
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 explained below.
As shown in fig. 1 and fig. 2, a flexible automatic production line for machining a safety hole of a hexagonal nut includes a bearing table 1 for providing support, and further includes:
the automatic feeding device is arranged on the bearing workbench 1 and used for placing the workpieces of the hexagonal nuts 4 to be processed in the nut chutes in batches, and the placing type is used for carrying out batch automatic feeding in a 90-degree steering mode, so that uninterrupted high efficiency is realized;
the nut processing device is arranged on the bearing workbench 1 and used for clamping the hexagonal nut 4 and carrying out corresponding processing treatment;
and the nut conveying device is arranged on the bearing workbench 1 and used for conveying the processed hexagonal nuts 4 to the next hole machining process.
The automatic feeding device comprises a rotary material distribution platform 2 which is arranged on a bearing workbench 1 and performs rotary feeding according to set parameters, a plurality of groups of three-dimensional warehouse chutes 3 which are uniformly distributed on the rotary material distribution platform 2, and a feeding mechanism which is arranged on the bearing workbench 1 and is matched with the three-dimensional warehouse chutes 3 to perform feeding.
The rotary material distributing platform 2 can realize 90-degree steering.
Through the automatic feeding device arranged on the bearing workbench 1, batch automatic feeding is carried out in a 90-degree steering mode according to the placement type, and uninterrupted high efficiency is realized; through accurate linear guide group 9 and the repetitive movement of mobile rail 10, will wait for the hexagonal nut 4 of processing to carry to the station of loading and unloading work piece, realize gentle accurate removal, for the uncertainty of people, the stability of machine, uniformity replace manual work to realize liberating the manpower, improve production efficiency, obtain the product that the product quality uniformity is good.
The feeding mechanism comprises a supporting and feeding block 5 arranged on the bearing workbench 1, an L-shaped boss 100 arranged on the supporting and feeding block 5, a lead screw guide rail 6 arranged on the bearing workbench 1, a servo moving block 110 arranged on the lead screw guide rail 6 and matched with the L-shaped boss 100, and a feeding support 60 matched with the servo moving block 110 and used for receiving the hexagonal nut 4.
The nut machining device comprises a round rod 70 for playing a pneumatic impact role, a positioning spring chuck 80 for clamping and fixing the hexagonal nut 4 to be machined through impact of the round rod 70, an indexing spindle 90 for loading and unloading workpieces and receiving signals, a motor 7 for providing power for the indexing spindle 90 and a machining mechanism for machining the hexagonal nut 4.
Through 6 repetitive movement of lead screw guide rail, carry the station of loading and unloading work piece with waiting for the hexagonal nut 4 of processing, realize gentle accurate removal.
The machining mechanism comprises a precise linear guide rail group 9 and a movable guide rail 10 which move up and down, a centering hole drilling tool 8 arranged on the precise linear guide rail group 9, and a high-speed spindle 20 arranged on the movable guide rail 10 and used for realizing precise drilling at two positions.
The indexing main shaft 90 and the motor 7 are stably transmitted through a belt.
The nut conveying device is a flat and wide guide rail 30 which is matched with the indexing main shaft 90 to be conveyed to the next hole machining process after the centering hole drilling tool 8 is machined.
Centering holes at different positions are formed in the surface of the hexagonal nut 4 through the centering hole drilling tool 8, and an alloy steel drill is adopted, so that the accuracy and the attractiveness of the chamfering and centering process after drilling are ensured.
The hexagonal nuts 4 to be processed are all transferred to the workpiece loading and unloading station by the material distributing die.
The hexagonal nut 4 is subjected to hole centering machining, and a special positioning spring chuck 80 is required for clamping.
The centering hole drilling tool 8 needs the precision linear module 9 to move up and down, and machining and safe entering of a machined part to the next procedure are achieved.
The machining of the centering hole drilling tool 8 needs a water-cooled high-speed main shaft 20, and accurate positioning of hole machining in the next process is guaranteed.
The movement of the centering hole drilling tool 8 is controlled by a centering hole drilling feed servo system.
The drill hole can be positioned and moved through the XY-axis adjustable guide rail.
The external water cooling device is powered by a servo motor to pump water by a water pump.
The cooling liquid for processing is provided with circulating inflow and outflow pipelines on the bearing worktable 1.
Each unit has simple and easy operation, prevents slow-witted function, and the interior layout design is convenient for maintain and maintain.
The circuit is designed with: leakage protection, open-phase protection, overvoltage protection, undervoltage protection, overload protection and three-phase unbalance protection, and equipment and personal safety are ensured.
During processing, a three-color lamp is required to be matched for material shortage and fault alarm, and the representative meaning of the color of the lamp can be defined by a user.
A production method of a flexible automatic production line for machining a hexagonal nut safety hole comprises the following specific steps:
s1, preparing materials: in the state that the machine switch is closed, the hexagonal nuts 4 to be processed are manually collected and are sequentially placed into the grooves of the three-dimensional warehouse chute 3;
s2, operation: after each hexagonal nut 4 to be processed is regularly arranged, when the equipment normally operates, workpieces to be processed are uniformly distributed on the three-dimensional warehouse chute 3, and the operation at different rotating speeds is carried out according to selected electrical parameters;
s3, workpiece movement: when the station rotary material distribution platform 2 rotates to a specific position, the L-shaped boss 100 in the supporting and conveying block 5 moves to the feeding support 60 through the bottom servo moving block 110, and the accurate movement is realized through the lead screw guide rail 6;
s4, impact fixing: when the bottom servo moving block 110 moves to the feed opening of the rotary material distribution platform 2, the hexagonal nut 4 to be processed is placed into the special positioning collet chuck 80 for clamping and fixing under the action of the pneumatic impact of the round rod 70;
s5, clamping: after the positioning collet chuck 80 clamps the hexagonal nut 4 to be processed, the hexagonal nut is transmitted through the lead screw guide rail 6 and moves to the indexing main shaft 90;
s6, starting switch: in the process of transporting the lead screw guide rail 6, the indexing main shaft 90 for loading and unloading workpieces receives a transmission signal and starts a switch;
s7, fixing: the indexing main shaft 90 for loading and unloading the workpiece clamps and fixes the workpiece to be machined under the action of pneumatic impact of the round rod 70;
s8, rotational movement: the special spring clamp 80 performs servo indexing rotation and movement through an indexing main shaft 90 for loading and unloading workpieces;
s9, transmission: the power of the indexing main shaft 90 for loading and unloading the workpiece is provided by the motor 7, and the power is stably transmitted through a belt;
s10, drilling: when the indexing main shaft 90 for loading and unloading workpieces moves to a specific position, the centering hole drilling tool 8 is started through a sensor induction device;
s11, moving up and down: the centering hole drilling tool 8 moves up and down through the precise linear guide rail set 9;
s12, repeating the movement: the precise linear guide rail set 9 controls the vertical movement through a servo motor, and performs repeated precise movement from the beginning to the end;
s13, transmission: after the centering hole drilling station 8 is machined, the centering hole is conveyed to the next hole machining procedure through the flat and wide guide rail 30 by the indexing main shaft 90;
s14, automatic discharging: the equipment automatically discharges materials after the drilling process is finished, and the discharge hole is butted with a discharge chute, so that products can be conveniently collected;
and S15, ending: after the machining is completed, the index main shaft 90 for loading and unloading the workpiece receives the transmission signal and performs the next cycle of operation machining by being transferred through the lead screw guide 6.
And in the process of conveying after the station 8 for drilling the centering hole is processed, the sensor starts the machine tool of the high-speed main shaft 20.
The high-speed spindle 20 moves by moving the guide rail 10, and performs a circular operation.
The high-speed main shaft 20 machine tool normally runs, and the machine tool is moved to the high-speed main shaft 20 from the indexing main shaft 90 after hollow positioning processing, so that two accurate punching positions are realized.
The high-speed spindle 20 moves by moving the guide rail 10, and performs a circular operation. The equipment is automatic discharge after the drilling process is finished, and the discharge port is butted with the discharge chute, so that the product is convenient to collect.
The processing of the centering hole drilling tool 8 and the workbench of the high-speed main shaft 20 are both made of plate 50 stainless steel materials, and enough supporting force can be ensured.
The touch display screen 40 has a data analysis function, and the material-containing and material-shortage states are monitored in real time.
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 merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a flexible automation line for processing of hexagonal nut insurance hole, includes and is used for providing the load-bearing workbench (1) that supports, its characterized in that: further comprising:
the automatic feeding device is arranged on the bearing workbench (1) and used for placing workpieces of the hexagonal nuts (4) to be processed in the nut chutes in batches, and the placing type is used for carrying out batch automatic feeding in a 90-degree steering mode, so that uninterrupted high efficiency is realized;
the nut processing device is arranged on the bearing workbench (1) and used for clamping the hexagonal nut (4) and carrying out corresponding processing treatment;
and the nut conveying device is arranged on the bearing workbench (1) and used for conveying the processed hexagonal nuts (4) to the next hole machining process.
2. The flexible automatic production line for machining the safety hole of the hexagonal nut as claimed in claim 1, wherein: the automatic feeding device comprises a rotary material distribution platform (2) which is arranged on a bearing workbench (1) and performs rotary feeding according to set parameters, a plurality of groups of three-dimensional warehouse chutes (3) which are uniformly distributed on the rotary material distribution platform (2), and a feeding mechanism which is arranged on the bearing workbench (1) and is matched with the three-dimensional warehouse chutes (3) to perform feeding.
3. The flexible automatic production line for machining the safety hole of the hexagonal nut as claimed in claim 2, wherein: the feeding mechanism comprises a supporting and conveying block (5) arranged on a bearing workbench (1), an L-shaped boss (100) arranged on the supporting and conveying block (5), a lead screw guide rail (6) arranged on the bearing workbench (1), a servo moving block (110) arranged on the lead screw guide rail (6) and matched with the L-shaped boss (100), and a feeding support (60) matched with the servo moving block (110) and used for receiving the hexagonal nut (4).
4. The flexible automatic production line for machining the safety hole of the hexagonal nut as claimed in claim 1, wherein: the nut machining device comprises a round rod (70) for playing a pneumatic impact role, a positioning spring chuck (80) for clamping and fixing the hexagonal nut (4) to be machined through impact of the round rod (70), an indexing spindle (90) for loading and unloading a workpiece and receiving signals, a motor (7) for providing power for the indexing spindle (90), and a machining mechanism for machining the hexagonal nut (4).
5. The flexible automatic production line for machining the safety hole of the hexagonal nut as claimed in claim 4, wherein: the machining mechanism comprises a precise linear guide rail group (9) and a movable guide rail (10) which move up and down, a centering hole drilling tool (8) arranged on the precise linear guide rail group (9), and a high-speed spindle (20) arranged on the movable guide rail (10) and used for realizing precise drilling at two positions.
6. The flexible automatic production line for machining the safety hole of the hexagonal nut as claimed in claim 5, wherein: the indexing main shaft (90) and the motor (7) are stably transmitted through a belt.
7. The flexible automatic production line for machining the safety hole of the hexagonal nut as claimed in claim 1, wherein: the nut conveying device is a flat and wide guide rail (30) which is matched with the indexing main shaft (90) to be conveyed to the next hole machining process after the centering hole drilling tool (8) is machined.
8. The production method of the flexible automatic production line for machining the safety hole of the hexagonal nut, which is used by the method, is characterized by comprising the following steps of: the method comprises the following specific steps:
s1, preparing materials: in the state that a machine switch is closed, the hexagonal nuts (4) to be processed are manually collected and are sequentially placed in the grooves of the three-dimensional warehouse sliding grooves (3);
s2, operation: when the equipment normally operates after each hexagonal nut (4) to be processed is regularly arranged, workpieces to be processed are uniformly distributed on the sliding groove (3) of the three-dimensional warehouse, and the operation at different rotating speeds is carried out according to selected electrical parameters;
s3, workpiece movement: when the station rotating distribution platform (2) rotates to a specific position, the L-shaped boss (100) in the supporting and conveying block (5) moves to the feeding support (60) through the bottom servo moving block (110), and accurate movement is achieved through the lead screw guide rail (6);
s4, impact fixing: when the bottom servo moving block (110) moves to the feed opening of the rotary material distribution platform (2), the hexagonal nut (4) to be processed is placed into a special positioning spring chuck (80) to be clamped and fixed under the action of pneumatic impact of the round rod (70);
s5, clamping: after the positioning spring chuck (80) clamps the hexagonal nut (4) to be processed, the hexagonal nut is transmitted through the lead screw guide rail (6) and moves to the indexing main shaft (90);
s6, starting switch: in the process of transporting the lead screw guide rail (6), an indexing main shaft (90) for loading and unloading workpieces receives a transmission signal and starts a switch;
s7, fixing: an indexing main shaft (90) for loading and unloading the workpiece clamps and fixes the workpiece to be machined under the action of pneumatic impact of a round rod (70);
s8, rotational movement: the special spring clamp (80) performs servo indexing rotation and movement through an indexing main shaft (90) for loading and unloading workpieces;
s9, transmission: the power of an indexing main shaft (90) for loading and unloading workpieces is provided by a motor (7), and the power is stably transmitted through a belt;
s10, drilling: when the indexing main shaft 90 for loading and unloading workpieces moves to a specific position, the centering hole drilling tool (8) is started through a sensor induction device;
s11, moving up and down: the centering hole drilling tool (8) moves up and down through the precise linear guide rail set (9);
s12, repeating the movement: the precise linear guide rail group (9) controls the up-and-down motion through a servo motor, and performs repeated precise motion from the beginning to the end;
s13, transmission: after the centering hole drilling station (8) is machined, the centering hole is conveyed to the next hole machining procedure through the flat and wide guide rail (30) by the indexing main shaft (90);
s14, automatic discharging: the equipment automatically discharges materials after the drilling process is finished, and the discharge hole is butted with a discharge chute, so that products can be conveniently collected;
and S15, ending: after the machining is finished, the indexing main shaft (90) for loading and unloading the workpiece receives the transmission signal and transmits the signal through the lead screw guide rail (6) to perform the next cycle of operation machining.
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| CN202111144119.2A CN113894317A (en) | 2021-09-28 | 2021-09-28 | Flexible automatic production line for machining hexagonal nut safety hole and production method thereof |
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| JP2011036867A (en) * | 2009-08-07 | 2011-02-24 | Ito Kogyo Kk | Automatic groove-hole drilling machining device of metal pipe |
| CN107932076A (en) * | 2017-12-01 | 2018-04-20 | 许生安 | Cable connector discharges water cap automatic drilling reaming device and its operating method |
| CN109434538A (en) * | 2018-12-26 | 2019-03-08 | 纳瑞盛（上海）实业有限公司 | A kind of permanent magnetic steel piece feeding auxiliary device |
| CN210359357U (en) * | 2019-08-08 | 2020-04-21 | 佛山恒泰信科技有限公司 | Automatic material loading double-shaft drilling machine |
| CN112170912A (en) * | 2020-09-22 | 2021-01-05 | 林佳朋 | Die casting burr trimming equipment and trimming method thereof |
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