CN115338704B - Automatic feeding machine - Google Patents
Automatic feeding machine Download PDFInfo
- Publication number
- CN115338704B CN115338704B CN202210634716.1A CN202210634716A CN115338704B CN 115338704 B CN115338704 B CN 115338704B CN 202210634716 A CN202210634716 A CN 202210634716A CN 115338704 B CN115338704 B CN 115338704B
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- tray
- feeding
- product
- discharging
- measuring
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- 238000007599 discharging Methods 0.000 claims abstract description 85
- 239000000463 material Substances 0.000 claims abstract description 74
- 230000007246 mechanism Effects 0.000 claims abstract description 59
- 238000005259 measurement Methods 0.000 claims description 38
- 238000000034 method Methods 0.000 claims description 38
- 230000008569 process Effects 0.000 claims description 32
- 239000003921 oil Substances 0.000 claims description 25
- 238000007664 blowing Methods 0.000 claims description 23
- 229910000831 Steel Inorganic materials 0.000 claims description 21
- 239000010959 steel Substances 0.000 claims description 21
- 230000002950 deficient Effects 0.000 claims description 12
- 210000000078 claw Anatomy 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 8
- 239000010730 cutting oil Substances 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000000227 grinding Methods 0.000 abstract description 28
- 238000012545 processing Methods 0.000 abstract description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 15
- 239000000523 sample Substances 0.000 description 6
- 238000012790 confirmation Methods 0.000 description 4
- 238000010079 rubber tapping Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/35—Accessories
- B24B5/355—Feeding means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B51/00—Arrangements for automatic control of a series of individual steps in grinding a workpiece
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The application belongs to the technical field of automatic feeding equipment, in particular to an automatic feeding machine, which is arranged on one side of a NOVA machine and controlled by a PLC control module in a control cabinet of the NOVA machine, and comprises a mechanical bench, a material tray feeding mechanism, a material tray discharging mechanism, a product inner hole measuring unit and a product transferring unit; according to the application, according to a set flow, the inner hole of the product is measured by adopting the swinging disc, the six-axis robot to automatically take and feed and the high-precision inner diameter measuring head, and the grinding compensation quantity of the NOVA internal grinding machine is converted according to the tolerance of the product by the measuring result to carry out real-time grinding compensation on the grinding machine, so that the precision of production and processing can be effectively improved.
Description
Technical Field
The invention belongs to the technical field of automatic feeding equipment, and particularly relates to an automatic feeding machine.
Background
Internal grinding machines are mainly used for grinding the surfaces and end surfaces of inner bores generated by cylindrical, conical or other shaped plain wires. In the production process of the internal grinder, the feeding and discharging processes occupy quite long time in the whole processing process, and have great influence on the quality of workpiece products;
For example, in some factories, because of the high dimensional tolerance of the inner bore of the bushing, the inner bore of the bushing needs to be machined by using a NOVA internal grinding machine, and the inner bore size needs to be measured after each product is machined, and the feed amount of the grinding machine is compensated and adjusted according to the measured size.
The traditional mode is that a product is manually held to feed the NOVA internal grinding machine, after grinding, the unground product is manually taken out again, and then the inner hole of the ground product is measured. And the feeding amount of the internal grinder is adjusted according to the measured result, when the feeding mode is adopted, staff needs to be concentrated in a high degree in the whole process, and the measured result is different because the measuring methods of all people in the staff are different, so that the size of the product is unstable after the product is ground. And every 1 machine needs 1 people to operate, the labor cost is high, the grinding processing of the product is unstable, and the efficiency is low.
In view of the above, the present invention solves the above-mentioned problems by providing an automatic feeding machine.
Disclosure of Invention
In order to make up for the deficiency of the prior art, solve the above-mentioned technical problem; the invention provides an automatic feeding machine.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to an automatic feeding machine, which is arranged at one side of a NOVA machine and controlled by a PLC control module in a control cabinet of the NOVA machine, and comprises:
A mechanical stand;
The material tray feeding mechanism is arranged on the mechanical rack and is used for feeding products to be processed;
The material tray discharging mechanism is arranged on the mechanical rack and positioned at one side of the material tray feeding mechanism, so as to realize the discharging of the product to be processed;
The product inner hole measuring unit is arranged on the mechanical rack and used for measuring the processed product inner hole and feeding back a measuring result to the PLC control module;
and the product transferring unit is arranged on the mechanical rack and used for realizing the movement of the product at different positions.
Preferably, the product transferring unit is a six-axis robot, the six-axis robot is mounted on the mechanical rack, and the end part of the arm part of the six-axis robot is respectively provided with a feeding claw and a discharging claw.
Preferably, the tray feeding mechanism includes:
the tray feeding moving guide rail is arranged on the upper surface of the mechanical rack;
the feeding tray bottom plate is slidably arranged on the feeding tray feeding moving guide rail;
The first rodless cylinder is arranged on the tray feeding moving guide rail and used for controlling the sliding position of the feeding tray bottom plate on the tray feeding moving guide rail;
the feeding charging tray, the feeding charging tray is installed on the feeding tray bottom plate for place the product of waiting to process, just the feeding charging tray includes:
A feed tray body;
The material plate reinforcing rib is arranged on the lower surface of the material plate body and used for improving the structural strength of the material plate body;
The first stainless steel handle is symmetrically and fixedly arranged at the edge position of the upper surface of the feeding tray body;
The number plate upright posts are arranged at four corners of the upper surface of the feeding plate body;
The number plate clamping seat is arranged on the upper surface of the feeding plate body;
The feeding tray positioning pin is arranged on the feeding tray bottom plate and used for fixing the feeding tray bottom plate and the feeding tray.
Preferably, the tray discharging mechanism comprises:
the tray discharging moving guide rail is arranged on the upper surface of the mechanical rack;
the discharging tray bottom plate is slidably arranged on the discharging moving guide rail of the charging tray;
The second rodless cylinder is arranged on the tray discharging moving guide rail and used for controlling the sliding position of the discharging tray bottom plate on the tray discharging moving guide rail;
the ejection of compact charging tray, the ejection of compact charging tray is installed on the ejection of compact tray bottom plate for place the product of waiting to process, just the ejection of compact charging tray includes:
A discharge tray body;
The second-size material plate reinforcing ribs are arranged on the lower surface of the discharging material plate body and used for improving the structural strength of the discharging material plate body;
the second stainless steel handle is symmetrically and fixedly arranged at the edge position of the upper surface of the discharging tray body;
the second-size material tray upright posts are arranged at four corners of the upper surface of the material discharging material tray body;
The second-size material tray clamping seat is arranged on the upper surface of the discharging material tray body;
the discharging tray locating pin is arranged on the discharging tray bottom plate and used for fixing the discharging tray bottom plate and the discharging tray.
Preferably, the product inner bore measurement unit comprises:
The inner hole measuring mechanism is used for directly measuring the size and taper change of the product and sending deviation size data and taper data to the PLC control module;
The defective product box is arranged at a position of the upper surface of the mechanical rack, which is positioned at one side of the inner hole measuring mechanism, and is used for storing defective products in the measuring process;
and the blowing mechanism is used for providing air for the inner hole measuring mechanism and helping to clean oil in the inner hole of the product.
Preferably, the bore measurement mechanism comprises:
the oil receiving disc is arranged on the upper surface of the mechanical rack and is used for recovering cutting oil falling from products;
the measuring and mounting bracket is fixedly arranged above the oil receiving disc;
the miniature IAI electric cylinder is arranged in front of the measurement mounting bracket;
the floating measuring head assembly is connected with the output end of the miniature IAI electric cylinder through a floating measuring head assembly fixing plate;
the rotary cylinder is arranged above the measurement mounting bracket;
The product positioning block is arranged at the output end of the rotary cylinder;
The first pneumatic sliding table is installed on the product positioning block and provided with a product blocking block for limiting a product;
The guide rod cylinder is arranged at the top of the measurement mounting bracket, and the end part of the guide rod cylinder is provided with a blowing nozzle through a blowing fixing plate;
The gas gauge calibration support seat is arranged on the right side of the oil receiving disc, and a second pneumatic sliding table is arranged on the gas gauge calibration support seat;
The gas gauge calibration gauge sleeve is arranged on the second pneumatic sliding table, and the gas gauge calibration gauge sleeve is provided with a gas gauge calibration gauge.
Preferably, the floating gauge head assembly includes:
The gas gauge measuring head is arranged on the floating measuring head assembly fixing plate through a gas gauge measuring head fixing sleeve;
The gas gauge oil shield is arranged at the outer side of a gap between the gas gauge head and the gas gauge head fixing sleeve;
The floating steel ball is arranged at the joint between the gas gauge oil shield and the gas gauge head fixing sleeve, and consists of a steel ball bracket and a plurality of steel balls, and the steel balls can freely rotate and move in the bracket;
The first flat gasket and the second flat gasket are respectively arranged at two sides of the floating steel ball;
the adjusting nut is arranged at the position of the outer surface of the gas gauge measuring head, which is positioned at the lower side of the gas gauge measuring head fixing sleeve in a threaded manner.
Preferably, the second flat washer is 0.3mm larger than the middle outer diameter (see FIG. 11) of the gas gauge head
The beneficial effects of the invention are as follows:
1. According to the automatic feeding machine, according to a set flow, the swinging disc, the six-axis robot are adopted for automatic material taking and feeding, and the high-precision inner diameter measuring head is adopted for measuring the inner hole of the product, so that the automatic feeding and measuring process is realized, the measuring work is more stable and accurate, the problem of error increase caused by the difference of manual measuring methods in the manual measuring process is avoided, the measuring result is converted into the grinding compensation quantity of the NOVA internal grinding machine according to the tolerance of the product to carry out real-time grinding compensation on the grinding machine, and the precision of production and processing can be effectively improved.
2. According to the automatic feeding machine, in the measuring process, under the action of the PLC control module, when a processed workpiece is moved into a product positioning block to be limited under the action of the product transferring unit; and then the guide rod cylinder is started and drives the air blowing nozzle to move forward, after the air blowing nozzle is aligned to the upper end of a product to blow air for a certain time, the air blowing nozzle is communicated with an air source in the air blowing mechanism, so that cutting oil on an inner hole of the product in the processing process can be effectively cleaned, the interference of the cutting oil on the measurement precision is reduced, and the measurement precision is further improved.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a perspective view of the tray feeding mechanism of the present invention;
FIG. 4 is a perspective view of a feed tray in the tray feed mechanism of the present invention;
FIG. 5 is a perspective view of the tray discharging mechanism of the present invention;
FIG. 6 is a perspective view of a discharge tray in the tray discharge mechanism of the present invention;
FIG. 7 is a perspective view of a six-axis robot of the product transfer unit of the present invention;
FIG. 8 is a perspective view of the bore measurement mechanism of the present invention;
FIG. 9 is a side view of the bore measurement mechanism of the present invention;
FIG. 10 is a cross-sectional view of a floating gauge head assembly of the present invention;
FIG. 11 is a perspective view of an air gauge head in the floating gauge head assembly of the present invention;
FIG. 12 is a schematic illustration of the present invention with the product not rotated during the measurement of the product;
FIG. 13 is a schematic view of the invention with the product rotated 180 degrees during the measurement of the product;
In the figure: the mechanical bench 1, the tray feeding mechanism 2, the tray feeding moving guide rail 21, the feeding tray bottom plate 22, the No. one rodless cylinder 23, the feeding tray 24, the feeding tray body 241, the No. one tray reinforcing rib 242, the No. one stainless steel handle 243, the No. one tray column 244, the No. one tray buckle seat 245, the feeding tray positioning pin 246, the tray discharging mechanism 3, the tray discharging moving guide rail 31, the discharging tray bottom plate 32, the No. two rodless cylinder, the discharging tray 34, the discharging tray body 341, the No. two tray reinforcing ribs 342, the No. two stainless steel handle 343, the No. two tray column 345, the discharging tray positioning pin 346, the product inner hole measuring unit 4. The inner hole measuring mechanism 41, the oil receiving disc 411, the measuring mounting bracket 412, the miniature IAI electric cylinder 413, the rotary cylinder 414, the product positioning block 415, the first pneumatic sliding table 416, the product blocking block 417, the guide rod cylinder 418, the defective product box 42, the blowing mechanism 43, the blowing fixing plate 431, the blowing nozzle 432, the floating measuring head assembly 44, the floating measuring head assembly fixing plate 441, the gas gauge oil shield 442, the floating steel ball 443, the first flat washer 444, the second flat washer 445, the adjusting nut 446, the gas gauge measuring head 447, the gas gauge calibration supporting seat 45, the second pneumatic sliding table 451, the gas gauge calibration sleeve 452, the gas gauge calibration gauge 453, the product transferring unit 5, the six-axis robot 51, the feeding claw 511 and the blanking claw 512.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in figures 1 to 11 of the drawings,
Embodiment 1, this embodiment provides an automatic feeding machine, and automatic feeding machine installs in one side of NOVA machine, receives the inside PLC control module's of NOVA machine switch board control, includes: a mechanical stand 1;
the material disc feeding mechanism 2 is arranged on the mechanical bench 1 and is used for feeding products to be processed;
The material tray discharging mechanism 3 is arranged on the mechanical rack 1 and positioned on one side of the material tray feeding mechanism 2, so as to realize the discharging of the product to be processed;
the product inner hole measuring unit 4 is arranged on the mechanical rack 1 and used for measuring the processed product inner hole and feeding back the measurement result to the PLC control module;
and the product transferring unit 5 is arranged on the mechanical rack 1, and is used for realizing the movement of the product at different positions.
The NOVA is an abbreviation of Italy NOVA company, the automatic feeding machine is mainly used for automatically feeding the NOVA machine, and the NOVA machine is a machine tool for precisely grinding inner holes of products and can be directly purchased from the market.
The tray feeding mechanism 2 includes: the tray feeding moving guide rail 21 is arranged on the upper surface of the mechanical rack 1;
A feeding tray bottom plate 22, the feeding tray bottom plate 22 being slidably mounted on the tray feeding movement rail 21;
A first rodless cylinder 23, wherein the first rodless cylinder 23 is installed on the tray feeding moving rail 21 and is used for controlling the sliding position of the feeding tray bottom plate 22 on the tray feeding moving rail 21;
A feed tray 24, the feed tray 24 is mounted on the feed tray base 22 for placing a product to be processed, and the feed tray 24 includes:
a feed tray body 241;
a number plate reinforcing rib 242, wherein the number plate reinforcing rib 242 is arranged on the lower surface of the feeding plate body 241, so as to improve the structural strength of the feeding plate body 241;
The first stainless steel handle 243 is symmetrically and fixedly arranged at the edge position of the upper surface of the feeding tray body 241;
a number plate upright post 244, the number plate upright post 244 is arranged at four corners of the upper surface of the feeding plate body 241; the feeding tray body 241 is convenient to stack, so that space is saved for storage;
A number plate clamping seat 245, wherein the number plate clamping seat 245 is arranged on the upper surface of the feeding plate body 241 and is used for fixing a cover plate of the feeding plate body 241 so as to provide accessories for the following cleaning process;
The feed tray positioning pins 246, the feed tray positioning pins 246 are mounted on the feed tray base 22 for securing the feed tray base 22 and the feed tray 24.
When the automatic feeding machine is in operation, in the preparation process before the feeding process, products to be detected are uniformly placed on the upper surface of the feeding tray body 241 of the feeding tray 24 under the control of a human or a robot, and 100 products can be placed on one feeding tray body 241, so that the whole tray of products can be conveniently transported and stacked; the feeding tray 24 which is completely taken out and is empty is manually taken out from the manual taking-out station, and then the feeding tray 24 filled with the product to be detected is manually aligned with the feeding tray positioning pins 246 to be put in, so that the feeding tray 24 is in contact with the feeding tray bottom plate 22 and is relatively fixed, and the feeding tray 24 is positioned at a discharging position; then starting the feeding process, arranging an operation panel electrically connected with a NOVA machine control cabinet on a mechanical rack 1, distributing various command keys on the operation panel, firstly pressing a warehouse entry confirmation key on the operation panel to trigger a PLC control module in the NOVA control cabinet, enabling a first rodless cylinder 23 to move a feeding tray 24 from a discharging position to a material taking position corresponding to a product transferring unit 5 through a tray feeding guide rail under the control of the PLC control module, enabling the PLC control module to control the product transferring unit 5 at the moment, starting material taking from the feeding tray 24 on the material taking position, firstly taking materials sequentially from left to right from a first row of products to be detected which are uniformly arranged on the upper surface of a feeding tray body 241, starting to take materials from left to right in sequence in the second row after the first row is taken, and taking materials circularly until the whole tray of products is taken; in the specific material taking process, when a NOVA grinder in the NOVA grinder is just started, the product transferring unit 5 moves to a material taking window of the NOVA grinder to send the clamped first product to a material taking finger of the grinder, no ground product is in the grinder at the moment, the product transferring unit 5 continues to move to a material feeding tray 24 to take out the second product, the second product returns to the material taking window of the NOVA grinder after being taken out, the first product is waited to be ground by the NOVA grinder, then the ground first product is sent to the material taking window by a material discharging finger of the NOVA grinder, the second product to be ground is sent to the material taking finger of the NOVA grinder by the product transferring unit 5, then the product transferring unit 5 moves the unloading finger of the NOVA grinder, retrieves the first product after grinding, starts to process the second product, and simultaneously the product transferring unit 5 starts to clamp the third product, and repeats the above actions until the whole disc of products are taken out, wherein the NOVA grinder material taking finger and the NOVA grinder unloading finger both belong to equipment for assisting feeding and discharging of the NOVA grinder in the prior art; then the PLC control module controls the rodless cylinder 23 to drive the empty feeding tray 24 to return to the discharging position, the machine automatically prompts a worker to change the tray, the worker takes out the empty feeding tray 24, puts the feeding tray 24 filled with the product to be detected on the feeding tray bottom plate 22, and presses a bin entering confirmation key on the operation panel, so that the whole feeding mechanism 2 of the tray repeats the actions for 2-5 times, and the smooth feeding process is ensured; the parts contained in the feeding tray 24 belong to a limiting structure commonly used for fixing products to be processed in the prior art, and belong to conventional technical means, and are not excessively described;
Further, the product inner bore measuring unit 4 in this embodiment includes: the inner hole measuring mechanism 41 is used for directly measuring the size and taper change of the product and transmitting the deviation size data and taper data to the PLC control module;
The defective product box 42 is arranged on the upper surface of the mechanical rack 1 at a position on one side of the inner hole measuring mechanism 41 and is used for storing defective products in the measuring process;
and a blowing mechanism 43, wherein the blowing mechanism 43 is used for providing air for the inner hole measuring mechanism 41 to help clean oil in the inner hole of the product.
Therefore, after the product to be processed is sent into the NOVA grinding machine by the product transferring unit 5 to finish processing and taking out, the processed products need to be subjected to inner hole measurement, so that the products to be detected enter a measuring station of the inner hole measuring mechanism 41 under the action of the product transferring unit 5, the inner hole measuring mechanism 41 is controlled by the PLC control module to further measure the inner hole of the product to be detected, data are fed back to the PLC control module, the processing feeding amount of the NOVA grinding machine is adjusted after calculation, processing errors are reduced, processing precision is improved, and then the waste amount is reduced; in the process, the products which obviously do not meet the requirement of the dimensional accuracy are sent into the defective product box 42 for waste recycling treatment, so that defective products are effectively screened out; the products meeting the requirements enter a tray discharging mechanism 3 under the action of a product transferring unit 5, and enter a discharging step; compared with the prior art, the automatic measuring device has the advantages that the inner hole measuring mechanism 41 automatically operates in a manner that the inner hole measuring mechanism 41 does not adopt a manual manner when a product enters a measuring station for measurement, and compared with the manual manner, the automatic measuring device is more stable, the problem of error increase caused by the difference of manual measuring methods in the manual measuring process is avoided, and the processing precision and the yield are improved;
Further, the tray discharging mechanism 3 in this embodiment includes: the tray discharging moving guide rail 31 is arranged on the upper surface of the mechanical rack 1;
A discharge tray bottom plate 32, the discharge tray bottom plate 32 being slidably mounted on the tray discharge movement rail 31;
the second rodless cylinder 33, the second rodless cylinder 33 is installed on the tray discharging moving guide rail 31, and is used for controlling the sliding position of the discharging tray bottom plate 32 on the tray discharging moving guide rail 31;
the ejection of compact charging tray 34, ejection of compact charging tray 34 are installed on ejection of compact tray bottom plate 32 for place the product of waiting to process, and ejection of compact charging tray 34 includes:
a discharge tray body 341;
the second-size material tray reinforcing ribs 342, the second-size material tray reinforcing ribs 342 are arranged on the lower surface of the discharging material tray body 341 and are used for improving the structural strength of the discharging material tray body 341;
the second stainless steel handle 343 is symmetrically and fixedly arranged at the edge of the upper surface of the discharging tray body 341;
the second-size tray upright posts 344, the second-size tray upright posts 344 are arranged at four corners of the upper surface of the discharging tray body 341;
the second-size tray clamping seat 345, wherein the second-size tray clamping seat 345 is arranged on the upper surface of the discharging tray body 341;
The tapping tray positioning pins 346 are mounted on the tapping tray floor 32 for securing the tapping tray floor 32 and the tapping tray 34.
Under the action of the product transferring unit 5, after data are obtained through measurement, products meeting the size requirement are uniformly placed on the discharging material tray 34, when the material tray is required to be replaced fully, the PLC controls the second rodless cylinder 33 to start, the discharging material tray 34 is pushed to slide along the discharging guide rail of the material tray, the discharging material tray 34 is pushed to the outside, and the next processing procedure is carried out;
Regarding the disassembly and assembly between the discharge tray 34 and the discharge tray bottom plate 32, the discharge tray 34 is also manually aligned with the discharge tray positioning pins 346 for being put in or taken out;
and under the action of the product transferring unit 5, in the process of placing the measured product on the discharge tray 34, the discharging is sequentially carried out from left to right in the first row, and after the first row is placed, the discharging is sequentially carried out from left to right in the second row. The material is discharged circularly until the whole discharging tray 34 is full of the product;
And in order to prevent the ground product and the unprocessed product from being mixed, the feeding tray 24 and the discharging tray 34 are designed to have different specifications, so that 2 trays cannot be interchanged, the feeding tray 24 cannot be put into the tray discharging mechanism 3, and likewise, the discharging tray 34 cannot be put into the tray discharging mechanism.
Embodiment 2 on the basis of embodiment 1, the inner hole measuring mechanism 41 in this embodiment includes:
An oil receiving pan 411, the oil receiving pan 411 is installed on the upper surface of the machine frame 1 to recover cutting oil falling from the product;
a measuring mounting bracket 412, the measuring mounting bracket 412 being fixedly mounted above the drip pan 411;
a miniature IAI cylinder 413, the miniature IAI cylinder 413 mounted in front of the measurement mounting bracket 412;
The floating probe assembly 44, the floating probe assembly 44 is connected with the output end of the miniature IAI electric cylinder 413 through the floating probe assembly fixing plate 441;
A rotary cylinder 414, the rotary cylinder 414 being mounted above the measurement mounting bracket 412;
the product positioning block 415, wherein the product positioning block 415 is arranged on the output end of the rotary cylinder 414;
The first pneumatic sliding table 416, the first pneumatic sliding table 416 is installed on the product positioning block 415, and the first pneumatic sliding table 416 is installed with a product blocking block 417 for limiting a product so as to ensure that the product falls when the rotary cylinder 414 rotates 180 degrees;
The guide rod cylinder 418, the guide rod cylinder 418 is installed at the top of the measurement installation bracket 412, and the end part of the guide rod cylinder 418 is provided with a blowing nozzle 432 through a blowing fixing plate 431, so that the product can be blown, grinding oil on the product can be blown clean, and the inner hole measurement of the product can be more accurate;
The gas gauge calibration support seat 45, the gas gauge calibration support seat 45 is arranged on the right side of the oil receiving disc 411, and a second pneumatic sliding table 451 is arranged on the gas gauge calibration support seat 45;
the gas gauge calibration sleeve 452, the gas gauge calibration sleeve 452 is arranged on the second pneumatic sliding table 451, and the gas gauge calibration sleeve 452 is provided with a gas gauge calibration gauge 453.
Further, the floating gauge head assembly 44 in this embodiment includes:
the gas gauge head 447 is arranged on the floating gauge head assembly fixing plate 441 through a gas gauge head 447 fixing sleeve;
the gas gauge oil shield 442, the gas gauge oil shield 442 is installed outside the gap between the gas gauge head 447 and the gas gauge head 447 fixing sleeve; the gas gauge oil shield 442 prevents oil and abrasion dust from the product from entering the floating gauge head assembly 44 so as not to affect the product measurement sensitivity;
The floating steel ball 443, the floating steel ball 443 is arranged at the joint between the gas gauge oil shield 442 and the fixed sleeve of the gas gauge head 447, the floating steel ball 443 is composed of a steel ball bracket and a plurality of steel balls, and the steel balls can freely rotate and move in the bracket;
A first flat washer 444 and a second flat washer 445, the first flat washer 444 and the second flat washer 445 being smooth and heat treated and being respectively installed at both sides of the floating steel ball 443;
The adjusting nut 446 is arranged at the position of the outer surface of the gas gauge head 447, which is positioned at the lower side of the fixed sleeve of the gas gauge head 447, by screw threads of the adjusting nut 446; the inner diameter of the first flat washer 444 is as large as the outer diameter of the gauge head 447; the second flat washer 445 has an inner diameter 0.3mm greater than the middle outer diameter of the gauge head 447 (see fig. 11); the upper surface of the floating steel ball 443 is provided with a first flat washer 444, and the lower surface of the floating steel ball 443 is provided with a second flat washer 445, and the structures of the floating steel ball 443, the first flat washer 444, the second flat washer 445 and the adjusting nut 446 synthesize a degree of freedom adjustment quantity which enables the gas gauge head 447 to have 0.3mm parallel automatic movement around, so that the gas gauge head 447 can easily enter an inner hole of a product, and an automatic centering function can be achieved; and the flexibility of movement is determined by adjusting the tightness of the adjustment nut 446. The mechanism mainly solves the problem that the gas gauge measuring head 447 and the inner hole of the product are automatically centered when not on the concentric shaft.
Specifically, in the measurement process, under the action of the PLC control module, when the processed workpiece is moved to the product positioning block 415 under the action of the product transfer unit 5, the workpiece is limited; then the guide rod cylinder 418 is started and drives the air blowing nozzle 432 to move forward, after the air blowing nozzle 432 is aligned to the upper end of a product to blow air for a certain time, the air blowing nozzle 432 is communicated with an air source in the air blowing mechanism 43, cutting oil on an inner hole of the product in the processing process can be effectively cleaned, the cutting oil falls into the oil receiving disc 411 to be collected, and then the guide rod cylinder 418 drives the air blowing nozzle 432 to return to the initial position;
As shown in fig. 12 and 13, after blowing, the first pneumatic sliding table 4161 acts to drive the product stop block 417 to advance, and after the product stop block 417 is in place, the product stop block 417 stops the upper end face of the product. Then, the micro IAI cylinder 413 is lifted, when the product to be measured is not rotated, the floating probe assembly 44 is driven to upwards enter a first position of a 'shallow inner hole end' at the lower end of the product, measurement of the size is started, measurement data are stored in the PLC control module, after the measurement is completed, the micro IAI cylinder 413 drives the floating probe assembly 44 to downwards move to return to an initial position, and the measurement of the 'shallow inner hole end' of the product is completed.
After the measurement of the shallow inner hole end is finished, the PLC controls and drives the rotary cylinder 414 to rotate 180 degrees, so that the deep hole end of the product faces downwards. Subsequently, the miniature IAI cylinder 413 is raised, driving the floating gauge head assembly 44 upward into the product "deep inside hole end" second position. The measurement of the position size is started, after the measurement is finished, the position is lifted to the third position of the deep inner hole end by a small distance, the measurement of the position size is started, and after the measurement is finished, the micro IAI cylinder 413 drives the floating probe assembly 44 to move downwards to return to the initial position, and the measurement of the deep inner hole end is finished.
After the two ends of the inner hole of the product are measured, the PLC starts to internally calculate the size and the taper of the inner hole of the product, and stores data in the touch screen. And meanwhile, judging whether the inner hole of the product is qualified or not, and according to whether the measured size and taper change of the product are in the middle of the product tolerance, if so, transmitting offset size data and taper data to a NOVA grinding machine, wherein the NOVA grinding machine automatically compensates the grinding feed amount and the taper amount of the machine tool according to the offset size data and the taper data, so that the ground product is always kept in the middle of the product tolerance, and the rejection rate is reduced.
In embodiment 3, based on embodiment 1 or 2, the product transferring unit 5 in this embodiment selects a six-axis robot 51, and the six-axis robot 51 may select an EPSON six-axis robot, the six-axis robot 51 is mounted on the mechanical rack 1, and the arm part end on the six-axis robot 51 is respectively mounted with a feeding claw 511 and a discharging claw 512; the six-axis robot 51 is used for grabbing and driving products to move at different positions, the feeding claw 511 is used for taking the products which are not ground in the feeding tray 24 and then sending the products to the NOVA grinding machine for processing, the discharging claw 512 is used for taking the products which are measured by the inner hole measuring mechanism 41 and placing the products into the defective product box 42 or placing the products into the discharging tray 34 for discharging, the work division is clear, the confusion of feeding and discharging of the products is reduced, and the six-axis robot can move in any three-dimensional space within the effective range. Can adapt to various application scenes and is flexible to be arranged.
The specific working procedure is as follows:
When the automatic feeding machine is in operation, in the preparation process before the feeding process, products to be detected are uniformly placed on the upper surface of the feeding tray body 241 of the feeding tray 24 under the control of a human or a robot, and 100 products can be placed on one feeding tray body 241, so that the whole tray of products can be conveniently transported and stacked; the feeding tray 24 which is completely taken out and is empty is manually taken out from the manual taking-out station, and then the feeding tray 24 filled with the product to be detected is manually aligned with the feeding tray positioning pins 246 to be put in, so that the feeding tray 24 is in contact with the feeding tray bottom plate 22 and is relatively fixed, and the feeding tray 24 is positioned at a discharging position; then starting a feeding process, firstly pressing a bin entering confirmation key on an operation panel, triggering a PLC control module in a NOVA control cabinet, enabling a first rodless cylinder 23 to move a feeding tray 24 forward from a discharging position to a material taking position corresponding to a product transferring unit 5 through a tray feeding guide rail under the control of the PLC control module, at the moment, enabling the PLC control module to control the product transferring unit 5 to start and begin to take materials from the feeding tray 24 on the material taking position, firstly taking materials from a first row of products to be detected uniformly arranged on the upper surface of a feeding tray body 241 from left to right in sequence, and starting taking materials from left to right in sequence after the first row is taken, so as to circularly take materials until the whole tray of products are taken; in a specific material taking process, when a NOVA grinder in the NOVA grinder is just started, the product transferring unit 5 moves to a NOVA grinder material taking window to send the clamped first product to a grinder material taking finger, at the moment, the grinder is not used for grinding the product, the product transferring unit 5 continues to move to a material feeding disc 24 to take out the second product, the second product is returned to the NOVA grinder material taking window after being taken out, the NOVA grinder material taking window is waited for grinding the first product by the NOVA grinder, then a grinder material taking finger of the NOVA grinder sends the ground first product to the NOVA grinder material taking finger, then the product transferring unit 5 moves to the NOVA grinder material taking finger to retrieve the ground first product, and starts to process the second product, and meanwhile, the product transferring unit 5 starts to clamp the third product, the actions are repeated until the whole disc product is taken out, and the NOVA grinder material taking finger belong to equipment for assisting in loading and unloading in the prior art; then the PLC control module controls the rodless cylinder 23 to drive the empty feeding tray 24 to return to the discharging position, the machine automatically prompts a worker to change the tray, the worker takes out the empty feeding tray 24, puts the feeding tray 24 filled with the product to be detected on the feeding tray bottom plate 22, and presses a bin entering confirmation key on the operation panel, so that the whole feeding mechanism 2 of the tray repeats the actions for 2-5 times, and the smooth feeding process is ensured;
Further, after the product to be processed is sent to the NOVA grinding machine by the product transferring unit 5 to finish processing and take out, the processed products need to be subjected to inner hole measurement, so that the products to be detected enter a measuring station of the inner hole measuring mechanism 41 under the action of the product transferring unit 5, the inner hole measuring mechanism 41 is controlled by the PLC control module to further measure the inner hole of the product to be detected, data are fed back to the PLC control module, the processing feeding amount of the NOVA grinding machine is adjusted after calculation, processing errors are reduced, processing precision is improved, and then the waste amount is reduced; in the process, the products which obviously do not meet the requirement of the dimensional accuracy are sent into the defective product box 42 for waste recycling treatment, so that defective products are effectively screened out; the products meeting the requirements enter a tray discharging mechanism 3 under the action of a product transferring unit 5, and enter a discharging step;
Further, under the action of the product transferring unit 5, after data are obtained through measurement, and products meeting the size requirement are uniformly placed on the discharging tray 34, when the tray is required to be replaced when being filled, the PLC controls the second rodless cylinder 33 to start, so that the discharging tray 34 is pushed to slide along the discharging guide rail of the tray, the discharging tray 34 is pushed to the outside, and the next processing procedure is performed.
The front, rear, left, right, up and down are all based on fig. 1 in the drawings of the specification, the face of the device facing the observer is defined as front, the left side of the observer is defined as left, and so on, according to the viewing angle of the person.
In the description of the present invention, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention.
The foregoing has shown and described the basic principles, principal 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, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. Automatic material loading machine, automatic material loading machine installs in one side of NOVA machine, receives the inside PLC control module's of NOVA machine switch board control, its characterized in that includes:
A mechanical stand;
The material tray feeding mechanism is arranged on the mechanical rack and is used for feeding products to be processed;
The material tray discharging mechanism is arranged on the mechanical rack and positioned at one side of the material tray feeding mechanism, so as to realize the discharging of the product to be processed;
The product inner hole measuring unit is arranged on the mechanical rack and used for measuring the processed product inner hole and feeding back a measuring result to the PLC control module;
the product transferring unit is arranged on the mechanical rack and used for realizing the movement of products at different positions;
The product inner bore measurement unit includes:
The inner hole measuring mechanism is used for directly measuring the size and taper change of the product and sending deviation size data and taper data to the PLC control module;
The defective product box is arranged on the upper surface of the mechanical rack, is positioned at one side of the inner hole measuring mechanism and is used for storing defective products in the measuring process;
The air blowing mechanism is used for providing air for the inner hole measuring mechanism and helping to clean oil in the inner hole of the product;
The inner bore measurement mechanism includes:
the oil receiving disc is arranged on the upper surface of the mechanical rack and is used for recovering cutting oil falling from products;
the measuring and mounting bracket is fixedly arranged above the oil receiving disc;
the miniature IAI electric cylinder is arranged in front of the measurement mounting bracket;
the floating measuring head assembly is connected with the output end of the miniature IAI electric cylinder through a floating measuring head assembly fixing plate;
the rotary cylinder is arranged above the measurement mounting bracket;
The product positioning block is arranged at the output end of the rotary cylinder;
The first pneumatic sliding table is installed on the product positioning block and provided with a product blocking block for limiting a product;
The guide rod cylinder is arranged at the top of the measurement mounting bracket, and the end part of the guide rod cylinder is provided with a blowing nozzle through a blowing fixing plate;
The gas gauge calibration support seat is arranged on the right side of the oil receiving disc, and a second pneumatic sliding table is arranged on the gas gauge calibration support seat;
the gas gauge calibration gauge sleeve is arranged on the second pneumatic sliding table, and a gas gauge calibration gauge is arranged on the gas gauge calibration gauge sleeve;
The floating gauge head assembly includes:
The gas gauge measuring head is arranged on the floating measuring head assembly fixing plate through a gas gauge measuring head fixing sleeve;
The gas gauge oil shield is arranged at the outer side of a gap between the gas gauge head and the gas gauge head fixing sleeve;
The floating steel ball is arranged at the joint between the gas gauge oil shield and the gas gauge head fixing sleeve, and consists of a steel ball bracket and a plurality of steel balls, and the steel balls can freely rotate and move in the bracket;
The first flat gasket and the second flat gasket are respectively arranged at two sides of the floating steel ball;
the adjusting nut is arranged at the position of the outer surface of the gas gauge measuring head, which is positioned at the lower side of the gas gauge measuring head fixing sleeve in a threaded manner.
2. The automatic feeding machine according to claim 1, wherein: the product transferring unit selects a six-axis robot, the six-axis robot is arranged on the mechanical rack, and the end part of the arm part on the six-axis robot is respectively provided with a feeding claw and a discharging claw.
3. The automatic feeding machine of claim 1, wherein the tray feeding mechanism comprises:
the tray feeding moving guide rail is arranged on the upper surface of the mechanical rack;
the feeding tray bottom plate is slidably arranged on the feeding tray feeding moving guide rail;
The first rodless cylinder is arranged on the tray feeding moving guide rail and used for controlling the sliding position of the feeding tray bottom plate on the tray feeding moving guide rail;
the feeding charging tray, the feeding charging tray is installed on the feeding tray bottom plate for place the product of waiting to process, just the feeding charging tray includes:
A feed tray body;
The material plate reinforcing rib is arranged on the lower surface of the material plate body and used for improving the structural strength of the material plate body;
The first stainless steel handle is symmetrically and fixedly arranged at the edge position of the upper surface of the feeding tray body;
The number plate upright posts are arranged at four corners of the upper surface of the feeding plate body;
The number plate clamping seat is arranged on the upper surface of the feeding plate body;
The feeding tray positioning pin is arranged on the feeding tray bottom plate and used for fixing the feeding tray bottom plate and the feeding tray.
4. An automatic feeding machine according to claim 3, wherein: the charging tray discharge mechanism includes:
the tray discharging moving guide rail is arranged on the upper surface of the mechanical rack;
the discharging tray bottom plate is slidably arranged on the discharging moving guide rail of the charging tray;
The second rodless cylinder is arranged on the tray discharging moving guide rail and used for controlling the sliding position of the discharging tray bottom plate on the tray discharging moving guide rail;
the ejection of compact charging tray, the ejection of compact charging tray is installed on the ejection of compact tray bottom plate for place the product of waiting to process, just the ejection of compact charging tray includes:
A discharge tray body;
The second-size material plate reinforcing ribs are arranged on the lower surface of the discharging material plate body and used for improving the structural strength of the discharging material plate body;
the second stainless steel handle is symmetrically and fixedly arranged at the edge position of the upper surface of the discharging tray body;
and the second-size material tray stand columns are arranged at four corners of the upper surface of the material discharging material tray body.
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| CN202210634716.1A CN115338704B (en) | 2022-06-07 | 2022-06-07 | Automatic feeding machine |
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| CN202210634716.1A CN115338704B (en) | 2022-06-07 | 2022-06-07 | Automatic feeding machine |
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| CN115338704B true CN115338704B (en) | 2024-05-31 |
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| CN115338704A (en) | 2022-11-15 |
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Country or region after: China Address after: 430223 plant 1 and 4 of Wuhan Dongfang junchi Precision Manufacturing Co., Ltd., No. 1, Dongyi Industrial Park, Donghu New Technology Development Zone, Wuhan, Hubei Province Applicant after: WUHAN DONGFANG JUNCHI PRECISION MANUFACTURING CO.,LTD. Address before: 430223 Erhao Road, Dongyi Industrial Park, Donghu New Technology Development Zone, Wuhan City, Hubei Province Applicant before: WUHAN DONGFANG JUNCHI PRECISION MANUFACTURING CO.,LTD. Country or region before: China |
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