CN111482378A - Hub sorting roller way and sorting method thereof - Google Patents
Hub sorting roller way and sorting method thereof Download PDFInfo
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- CN111482378A CN111482378A CN202010268092.7A CN202010268092A CN111482378A CN 111482378 A CN111482378 A CN 111482378A CN 202010268092 A CN202010268092 A CN 202010268092A CN 111482378 A CN111482378 A CN 111482378A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/04—Sorting according to size
- B07C5/10—Sorting according to size measured by light-responsive means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
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Abstract
The invention discloses a hub sorting roller way and a sorting method thereof, belonging to the field of hub manufacturing.A main roller way is provided with N sorting roller ways at one side at intervals, the direction of the sorting roller ways is vertical to the direction of the main roller way, the intersection of the main roller way and the sorting roller ways is a cross roller way, the cross roller way is a part of the main roller way, a lifting belt mechanism is arranged below a first cross roller way, an opposite light curtain is arranged in front of the cross roller way on the main roller way, when a hub passes through the opposite light curtain, a P L C module detects the diameter of the hub to determine the size through the opposite light curtain, if the hub meets the sorting conditions, the P L C module controls a sorting main roller way motor to rotate N circles to position the hub at the center of the cross roller way, then the lifting belt mechanism is lifted to sort the hub to the first sorting roller way, and if the hub does not meet the sorting conditions, the sorting main roller way continuously rotates to enable the hub to be sorted subsequently.
Description
Technical Field
The invention relates to the field of hub manufacturing, in particular to a hub sorting roller way and a sorting method thereof.
Background
The manufacturing process of the automobile aluminum alloy hub is formed by combining a die-casting process, a machining process and a coating process. In the machining process, the hub blank finished by the die-casting process needs to be subjected to numerical control lathe machining, numerical control milling machine machining and burr treatment, so that the casting allowance of the hub is removed completely, and the edge and corner edges become smooth. Because the existing wheel hub production workshop usually has a large mass production task, the wheel hub blanks with different sizes are simultaneously produced by die casting, and a large number of wheel hub blanks with different sizes simultaneously enter a machining process along with a logistics roller way.
The wheel hub blank is processed through the digit control machine tool to the machining preface, because the procedure of digit control machine tool, processing cutter and positioning fixture restriction, a digit control machine tool sets for through the procedure and the wheel hub processing that the cutter reforms transform only to a size, consequently, the digit control machine tool is equipped with a plurality of parallel processing passageways according to wheel hub's unidimensional, includes 15 cuns, 16 cuns, 17 cuns, 18 cuns, 19 cuns and 20 cuns six wheel hub processing passageways according to current wheel hub's size. In the prior art, after the hub with different sizes after the die casting process enters the machining process from the main roller way in a centralized manner, six hubs with different sizes are screened out from the main roller way through manual sorting and then are respectively conveyed to the numerical control machine tool machining channels corresponding to the sizes. The manual sorting method causes higher labor intensity of workers and lower working efficiency.
Disclosure of Invention
The invention aims to provide a hub sorting roller way and a sorting method thereof, which can guarantee the safety of maintenance personnel and reduce the production cost.
In order to solve the technical problems, the invention provides the following technical scheme:
the utility model provides a wheel hub selects separately roll table, includes the main roll table, one side interval of main roll table be provided with N with main roll table direction vertically selects separately the roll table, wherein:
the cross position of the main roller way and the first sorting roller way is a cross roller way, the cross roller way is a part of the main roller way, and a lifting belt mechanism is arranged below the cross roller way and used for conveying the wheel hub into the sorting roller way; lie in on the main roll table certain distance department before the cross roll table is provided with the correlation light curtain, the main roll table is last from the terminal of at least one meter department before the correlation light curtain to the cross roll table for selecting separately the main roll table, the below of selecting separately the main roll table is provided with selects separately main roll table motor, select separately main roll table motor drive roller synchronous rotation on the main roll table of selecting separately, select separately main roll table motor and the gear ratio of roller is 1: and 1, a roller way single-circle absolute value encoder is arranged on the sorting main roller way motor.
The hub sorting roller way is controlled by a P L C module.
Furthermore, the lifting belt mechanism comprises a belt mechanism bracket fixed on the ground, a horizontal support plate is fixedly arranged at the top of the belt mechanism bracket, two sides of the horizontal support plate are respectively provided with air cylinder openings with symmetrical positions, the lower surfaces of the two air cylinder openings are respectively fixedly provided with air cylinders with upward cylinder rod directions, cylinder rods of the two air cylinders penetrate through the air cylinder openings of the corresponding positions, the upper part and the lower part of the side wall of a cylinder barrel of one air cylinder are respectively provided with an upper cylinder rod proximity switch and a lower cylinder rod proximity switch, a lifting plate used for jointly driving the two air cylinders to lift is arranged above the horizontal support plate, and the tops of the cylinder rods of the two air cylinders are respectively and fixedly connected to the symmetrical positions of the lower surface of the lifting plate;
the last fixed surface of lifter plate has two sets of separation belt component that set up side by side and the structure is the same, the separation belt component includes the driven pulley that the drive pulley and two upper portions that the lower part set up, two driven pulley is located the both sides of separation belt component are and be in the same level, one drive pulley and two the structure outer lane cover of falling triangle-shaped that driven pulley constitutes is equipped with the belt, the upper surface of lifter plate still includes belt driving motor, belt driving motor drive two of separation belt component the drive pulley linkage, be provided with belt single circle absolute value encoder on the belt driving motor, last two of lifter plate the separation belt component all with roller parallel arrangement and clearance fit on the main roll table.
Furthermore, the sorting belt component comprises two T-shaped plates which are arranged in parallel and have a certain interval, each T-shaped plate comprises a 1-shaped supporting plate arranged in the vertical direction and a horizontal plate arranged in the horizontal direction, the lower parts of the two 1-shaped supporting plates of the sorting belt component are respectively provided with a driving belt pulley, two sides of the two 1-shaped horizontal plates of the sorting belt component are respectively provided with a driven belt pulley, an inverted triangle outer ring formed by one driving belt pulley and the two driven belt pulleys is sleeved with a belt, the two sorting belt components are arranged on the lifting plate in parallel, so that the driving belt pulleys of the two sorting belts are coaxial, the axle center of the two driving belt pulleys is penetrated by a driven connecting rod, and the driven connecting rod penetrates through the axle center of one driving belt pulley and extends for a certain distance, the extension end of the driven connecting rod is fixedly provided with a driven gear, a driving gear is arranged on a rotating shaft of the belt driving motor, and the driving gear drives the driven gear to rotate through a chain.
Further, the upper portion of two "1" word backup pads that the sorting belt component includes all extends the symmetry extending surface to plane both sides, two the bilateral symmetry of symmetry extending surface is provided with two and rises and tightly installs the belt pulley, two it is from being the inverted triangle structure to rise the belt pulley the waist of belt presss from both sides tightly the belt, two all be provided with on the symmetry extending surface and be used for it is fixed and can adjust the elongated opening that rises to rise the belt pulley.
Furthermore, two guide post openings which are symmetrical with the center of the horizontal support plate are arranged on the horizontal support plate, guide sleeves in the vertical direction are fixedly arranged at the two guide post openings, guide posts penetrate through the inner parts of the two guide sleeves, and the top points of the two guide posts are fixed on the lifting plate.
Further, the belt mechanism bracket is a door-shaped structure and comprises two supporting side walls symmetrically arranged on the ground, and a horizontal transverse plate is arranged between the tops of the supporting side walls.
The sorting method of the hub sorting roller way comprises the following steps:
step S101: obtaining the diameter d of the hub through a correlation light curtain to obtain the size of the hub;
step S102: judging whether the sorting condition is met or not according to the size of the hub, if so, executing the step S103, otherwise, not entering the sorting, and driving a sorting main roller way motor to drive the sorting main roller way to continuously rotate so as to enable the hub to enter a subsequent sorting area.
Step S103: calculating the preset number of turns n of the sorting main roller way motor when the rear end of the hub leaves the opposite light curtain and the hub is sent to the center of the first cross roller way, and executing the step S104;
step S104: driving the sorting main roller way motor to execute n-circle rotation and then stop through the roller way unit absolute value encoder, and executing the step S105;
step S105, controlling the lifting belt mechanism to lift by the P L C module;
step S106: the lifting belt mechanism sends the hub to a sorting roller way, and step S107 is executed;
step S107, the P L C module controls the lifting belt mechanism to descend;
and S108, driving a main sorting roller way motor to drive the main sorting roller way to rotate by the P L C module, and sorting the next hub.
Further, the step S101 includes:
step S1011: acquiring time t1 when the front end of the hub shields the opposite light curtain, acquiring time t2 when the rear end of the hub goes out of the light curtain, and acquiring delta t which is t2-t 1;
step S1012, calculating the advancing speed v of the sorting main roller way to be rho × C according to the rotating frequency rho of the sorting main roller way motor and the rotating perimeter C of the roller;
and step S1013, obtaining the hub diameter d as v × delta t.
Further, step S103 and step S103 are: and calculating the distance S from the rear end of the hub to the center of the cross roller way, calculating the preset number of rotation turns n of the sorting main roller way motor to be S/C according to the rotation perimeter C of the roller, and executing the step S104.
Further, the step S103 includes: and the distance S between the rear end of the hub and the opposite light curtain and the distance S between the hub and the center of the cross roller way when the hub is conveyed to the center of the cross roller way is equal to M-d/2, wherein M is the distance between the opposite light curtain and the center of the cross roller way.
The embodiment of the invention has the following beneficial effects:
when a hub passes through an opposite light curtain on the separation main roller way, a P L C module can acquire the diameter of the hub, the diameter of the hub is not overlapped, the P L C module compares the acquired diameter d of the hub with the size information of the hub stored in the hub, if the hub is judged to be in accordance with the separation condition of the separation roller way by the P L C module, the P L C module controls a motor of the separation main roller way to rotate N turns, the hub is sent to the center of the cross roller way, at the moment, the P L C module controls a lifting belt mechanism to lift, the hub is sent to the separation roller way, the lifting belt mechanism descends, the separation of one hub is finished, and if the size of the hub is not in accordance with the separation condition of the first separation roller way, the P L C module enables the hub to continue to advance according to a conventional main program and enter a subsequent separation flow.
The automatic hub sorting device has the advantages that automatic sorting of hubs of different sizes is realized, manual sorting is omitted, the labor intensity of workers is greatly reduced, and hub collision caused by manual throwing of the hubs is avoided. Therefore, the hub collision-prevention device has the characteristics of reducing the labor intensity of workers and avoiding hub collision.
Drawings
Fig. 1 is a schematic structural view of a first sorting roller zone of the hub sorting roller of the present invention;
fig. 2 is a schematic structural view when the lifting belt mechanism of the first sorting roller zone of the hub sorting roller bed of the invention is lifted;
FIG. 3 is a schematic structural view of a hub sorting roller table of the present invention;
FIG. 4 is a schematic structural view of the lifting belt mechanism of the hub sorting roller bed of the present invention when lifted;
FIG. 5 is a schematic structural view of a lifting belt mechanism of the hub sorting roller bed of the present invention;
FIG. 6 is a schematic structural view of the lifting belt mechanism of the hub sorting roller of the present invention with one T-shaped plate removed;
fig. 7 is another view structure diagram of the lifting belt mechanism of the hub sorting roller bed according to the present invention;
fig. 8 is a schematic flow chart of the sorting method of the hub sorting roller table of the present invention.
Reference numerals: 1-main roller bed; 12-a first cross roller table; 13-a lifting belt mechanism; 131-a belt mechanism carrier; 1311-supporting sidewalls; 1312-horizontal transverse plate; 132-a horizontal support plate; 133-cylinder; 1331-upper proximity switch of cylinder rod; 1332-cylinder rod lower proximity switch; 134-a lifter plate; 135-sorting belt members; 1351-driving pulley; 1352-a driven pulley; 1353-tensioning belt pulley; 1354-leather belt; 1355-horizontal plate in shape of Chinese character 'yi'; 1356-1 shaped supporting plate; 1357-symmetrical extension plane; 136-belt drive motor; 1361-drive gear; 137-driven link; 1371-a driven gear; 138-a chain; 139-a guide column; 14-a coherent light curtain; 15-first sorting main roller bed; 16-sorting the main roller way motor; 2-a first sorting roller bed; 3-a second sorting roller bed; 4-a third sorting roller way; and 5-fourth sorting roller way.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
On one hand, as shown in fig. 3 and 4, the hub sorting roller bed according to the present invention includes a main roller bed 1, and first, second, third, fourth, fifth, and sixth sorting roller beds perpendicular to the main roller bed 1 are disposed at intervals on one side of the main roller bed 1 (only four groups of sorting roller beds are illustrated in fig. 3 and 4 due to layout restriction), wherein:
the intersection of the main roller way and the first sorting roller way 2 is a first intersection roller way 12, as shown in fig. 1 and 2, the first intersection roller way 12 is a part of the main roller way, and a lifting belt mechanism 13 is arranged below the first intersection roller way 12 and used for conveying the hub into the first sorting roller way 12; the certain distance department that lies in before first cross roll table 12 on the main roll table is provided with correlation light curtain 14, and the end of first cross roll table 12 is located for selecting separately main roll table 15 from at least one meter before correlation light curtain 14 on the main roll table, and the below of selecting separately main roll table 15 is provided with selects separately main roll table motor 16, selects separately roller synchronous rotation on main roll table 15 of main roll table motor 16 drive, selects separately main roll table motor 16 and the gear ratio of roller is 1: 1, a roller way single-circle absolute value encoder is arranged on a sorting main roller way motor 16;
the sorting structure formed by the main roller way and the second, third, fourth, fifth and sixth sorting roller ways is the same as the sorting structure formed by the main roller way and the first sorting roller way 2.
The hub sorting roller way is controlled by a P L C module.
As a specific embodiment of the present invention, the lifting belt mechanism 13 includes a belt mechanism bracket 131 for fixing on the ground, a horizontal support plate 132 is fixedly disposed on the top of the belt mechanism bracket 131, two sides of the horizontal support plate 132 are respectively provided with cylinder openings with symmetrical positions, lower surfaces of the two cylinder openings are respectively fixedly provided with cylinders 133 with upward cylinder rod directions, cylinder rods of the two cylinders 133 pass through the cylinder openings of respective corresponding positions, an upper cylinder rod proximity switch 1331 and a lower cylinder rod proximity switch 1332 are respectively disposed on an upper portion and a lower portion of a cylinder barrel side wall of one of the cylinders 133, a lifting plate 134 used for jointly driving the two cylinders 133 to lift is disposed above the horizontal support plate 132, and tops of the cylinder rods of the two cylinders 133 are respectively fixedly connected to the symmetrical positions on the lower surface of the lifting plate 134;
two groups of sorting belt members 135 which are arranged in parallel and have the same structure are fixed on the upper surface of the lifting plate 134, each sorting belt member 135 comprises a driving belt pulley 1351 arranged at the lower part and two driven belt pulleys 1352 arranged at the upper part, the two driven belt pulleys 1352 are positioned at two sides of the sorting belt member 135 and are at the same horizontal height, a belt 1354 is sleeved on the outer ring of an inverted triangle structure formed by one driving belt pulley 1351 and the two driven belt pulleys 1352, the upper surface of the lifting plate 134 further comprises a belt driving motor 136, the belt driving motor 136 drives the two driving belt pulleys 1351 of the sorting belt member 135 to be linked, a belt single-loop absolute value encoder is arranged on the belt driving motor 136, and the two sorting belt members 135 on the lifting plate 134 are arranged in parallel to rollers on a main roller table and are;
in this embodiment, a first, a second, a third, a fourth, a fifth and a sixth sorting roller ways are arranged at intervals on one side of the main roller way, the first, the second, the third, the fourth, the fifth and the sixth sorting roller ways are perpendicular to the direction of the main roller way, the six sorting roller ways are six inlet roller ways for processing numerically-controlled machine tools with different sizes, the opposite light curtain 14 comprises a signal transmitting end and a signal receiving end (signals are usually infrared rays), when a shielding object or a shielding object is removed between the signal transmitting end and the signal receiving end, the signal receiving end can change level and transmit the level to the P L C module.
Taking the first sorting roller bed 2 as an example, when a hub passes through the correlation light curtain 14 on the first sorting main roller bed 15, the P L C module can acquire a time difference △ t between the front end of the hub shielding the correlation light curtain 14 and the rear end of the hub passing through the correlation light curtain 14, and then according to the roller rotation speed v, the hub diameter d is △ t v, because the hub diameters of various sizes (from 15 inches to 20 inches) do not overlap, the P L C module compares the acquired hub diameter d with the internally stored hub size information to obtain the size of the hub, if the hub size is judged by the P L C module to be in accordance with the sorting condition of the first sorting roller bed 2, the P L C module calculates a travel distance S between the rear end of the hub leaving the correlation light curtain 14 and the hub being delivered to the center of the first cross roller bed 12, and then according to the roller C of the main roller bed, the calculated turns n of the first sorting roller bed 16 and the rotation turns of the roller bed 16 are calculated to enable the hub to pass through a preset single-turn number P5635C control module, and a single-turn number n of the lifting control belt of the sorting roller bed 3513, and a single-turn-up and-down control roller bed 3C module, and a single-down process is set by a preset single-up and-down process control module, and-down process of the wheel hub lifting control unit of the wheel roll-up and-down roller bed 3C module, and-down process, if the wheel hub rotation roller bed 3C module, the wheel roll table.
The automatic hub sorting device has the advantages that automatic sorting of hubs of different sizes is realized, manual sorting is omitted, the labor intensity of workers is greatly reduced, and hub collision caused by manual throwing of the hubs is avoided. Therefore, the hub collision-prevention device has the characteristics of reducing the labor intensity of workers and avoiding hub collision.
As an improvement of the above embodiment, as shown in fig. 5, the sorting belt member 135 includes two T-shaped plates juxtaposed and spaced apart from each other, the T-shaped plates are composed of a "1" supporting plate 1356 disposed in a vertical direction and a "one" horizontal plate 1355 disposed in a horizontal direction, the top of the "1" supporting plate 1356 intersects with the center of the "one" horizontal plate 1355 to form a "T" shaped integral structure, the lower portions of the two "1" supporting plates 1356 of the sorting belt member 135 are respectively provided with a driving pulley 1351, the two "one" horizontal plates 1355 of the sorting belt member 135 are respectively provided with a driven pulley 1352 at both sides thereof, an outer ring of an inverted triangular structure composed of one driving pulley 1351 and two driven pulleys 1352 is sleeved with a belt 1354, the two sorting belt members 135 of the lifting plate 134 are juxtaposed on the lifting plate 134 so that the two sorting belt pulleys 1351 are coaxial, driven connecting rods 137 penetrate through the axle centers of the two driving belt pulleys 1351, the driven connecting rods 137 penetrate through the axle center of one of the driving belt pulleys 1351 and extend for a certain distance, driven gears 1371 are fixedly arranged at the extending ends of the driven connecting rods 137, a driving gear 1361 is arranged on a rotating shaft of the belt driving motor 136, and the driving gear 1361 drives the driven gears 1371 to rotate through a chain 138. The sorting belt member 135 in the present modification is simple in structural design and easy to implement in industry.
As a further improvement of the above embodiment, as shown in fig. 6, the sorting belt member 135 includes two support plates 1356 shaped like a letter "1" and having symmetrical extension surfaces 1357 extending from the upper portion thereof to two sides of the plane, two tensioning pulleys 1353 symmetrically disposed on two sides of the two symmetrical extension surfaces 1357, two tensioning pulleys 1353 clamping the belt from the waist of the belt 1354 having an inverted triangle structure, and two symmetrical extension surfaces 1357 each having a strip-shaped opening for fixing the tensioning pulley 1353 and adjusting the tensioning. The belt is loosened after being used for a long time, the loosened belt and the belt pulley are easy to slip, and if the slipping is frequent, the lifting belt mechanism 13 cannot stably send the hub into the sorting roller way. The design has two tight belt pulleys 1353 that rises in this improvement, and the phenomenon of relaxing appears in the belt, will rise tight belt pulley 1353 and follow rectangular shape opening translation and fix, can effectively avoid skidding between belt and the belt pulley, and this improvement improves the stability of sorting the roll table.
As a further improvement of the above-mentioned modified embodiment, as shown in fig. 7, two openings of the guiding posts 139 are disposed on the horizontal supporting plate 132, the two openings of the guiding posts 139 are symmetric with respect to the central position of the horizontal supporting plate 132, vertical guiding sleeves are fixedly disposed at the two openings of the guiding posts 139, the guiding posts 139 penetrate through the two guiding sleeves, and the vertexes of the two guiding posts 139 are fixed on the lifting plate 134. The two guide posts 139 arranged in this embodiment improve the stability of the cylinder 133 for supporting the lifting plate 134, and also have the function of protecting the cylinder 133.
In order to stably fix the sorting belt member 135 to the elevating plate 134, the bottom of the "1" -shaped support plate 1356 is provided with a fixing surface which is in contact with the upper surface of the elevating plate 134.
Further, as shown in fig. 6, the belt mechanism bracket 131 is a door-type structure, the belt mechanism bracket 131 includes two supporting sidewalls 1311 symmetrically disposed on the ground, and a horizontal cross plate 1312 is disposed between tops of the two supporting sidewalls 1311.
On the other hand, according to the present invention, as shown in fig. 8, the method for sorting the hub sorting roller way includes:
step S101: obtaining the diameter d of the hub through the opposite light curtain 14 to obtain the size of the hub;
step S102: and judging whether the sorting condition is met or not according to the size of the hub, if so, executing the step S103, otherwise, not entering the sorting, and driving the sorting main roller way motor 16 to drive the first sorting main roller way 15 to continuously rotate so as to enable the hub to enter a subsequent sorting area.
Step S103: calculating the preset number of turns n of the sorting main roller way motor 16 when the rear end of the hub leaves the opposite light curtain 14 and the hub is sent to the center of the first cross roller way 12, and executing the step S104;
step S104: the sorting main roller way motor 16 is driven to execute n circles of rotation and then stop through the roller way unit absolute value encoder, and step S105 is executed;
step S105: the trigger cylinder 133 raises the solenoid valve to open, and the lifting belt mechanism 13 rises;
step S106: after receiving the trigger signal of the proximity switch 1331 on the cylinder rod, the driving belt driving motor 136 drives the belts of the two sorting belt members 135 to rotate for two turns and then stops, so that the hubs fall from the sorting belt members 135, and step S107 is executed;
step S107: the trigger cylinder 133 lowers the solenoid valve to open, and the lifting belt mechanism 13 lowers;
step S108: and receiving a trigger signal of the cylinder rod lower approach switch 1332, driving the sorting main roller way motor 16 to drive the first sorting main roller way 15 to rotate, and sorting the next wheel hub.
The sorting method of the embodiment has the characteristics of reducing the labor intensity of workers and avoiding hub collision.
As a modification of the above embodiment, step S101 is further:
step S1011: acquiring time t1 when the front end of the hub shields the correlation light curtain 14, acquiring time t2 when the rear end of the hub goes out of the correlation light curtain 14, and acquiring delta t which is t2-t 1;
step S1012, calculating the forward speed v ═ ρ × C of the first sorting main roller table 15 according to the rotation frequency ρ of the sorting main roller table motor 16 and the roller rotation circumference C;
and step S1013, obtaining the hub diameter d as v × delta t.
As a modification of the above modified embodiment, step S103 further includes: and (3) calculating the distance S from the rear end of the hub to the center of the first cross roller table 12 from the opposite light curtain 14, calculating the preset number of rotation turns n of the sorting main roller table motor 16 to be S/C according to the rotation perimeter C of the roller, and executing the step S104.
Further, step S103 includes: the distance S between the rear end of the hub and the opposite light curtain 14 to the center of the hub, which is sent to the first cross roller table 12, is equal to M-d/2, and M is the distance between the opposite light curtain 14 and the center of the first cross roller table 12.
The specific derivation process of the preset number of turns n of the sorting main roller way motor 16 is as follows:
the motor adopted by the main sorting roller way motor 16 in the invention is a band-type brake motor with a speed reducer, and if the rotation frequency of the main sorting roller way motor 16 is theta r/min and the speed reduction ratio is 1: m,
then, the output frequency ρ of the sorting main roller bed motor 16 is θ/m;
when the gear circumference ratio of the sorting main roller way motor 16 to the rollers is 1: when 1, assuming that the perimeter of the roller of the main roller way is C,
the traveling speed v of the sorting main roller table 15 is rho × C;
further, assuming that the distance from the opposite light curtain 14 to the center of the first sorting roller table 2 is M,
then, the distance from the rear end of the hub to the center of the first sorting roller table 2 from the opposite light curtain 14 to the hub is:
S＝M-d/2
assuming that the preset number of turns of the sorting main roller bed motor 16 is n, that is, after the sorting main roller bed motor 16 rotates n number of turns, the hub can be sent to the center of the first sorting roller bed 2 when leaving the opposite light curtain 14 from the rear end of the hub;
further, assuming that the sorting main roller way motor 16 rotates n turns, the required time is t;
then, the following proportional relationship exists:
ρ:1＝n:t
that is, rho (output frequency) to 1(min) is equal to n (number of motor rotation turns) to t (time),
obtaining: t is n/rho
According to S (distance) v (speed) × t (time)
Then, M-d/2 is ρ × C · n/ρ
Further obtaining M-d/2 ═ Cn
Then the process of the first step is carried out,
the P L C module drives the sorting main roller way motor 16 to execute n-turn rotation and then stop through the roller way unit absolute value encoder, so that the hub can be accurately positioned at the center of the first cross roller way 12.
In the derivation process: if the gear circumference ratio of the sorting master table motor 16 to the rollers is not 1: 1, calculating the ratio of the gear perimeter of the sorting main roller way motor 16 and the roller, multiplying the ratio by rho to obtain the rotation frequency rho' of the roller of the main roller way,
then, the traveling speed v of the sorting main table 15 is ρ' × C.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides a wheel hub selects separately roll table, its characterized in that, includes the main roll table, one side interval of main roll table be provided with N with main roll table direction vertically selects separately the roll table, wherein:
the cross position of the main roller way and the sorting roller way is a cross roller way, the cross roller way is a part of the main roller way, and a lifting belt mechanism is arranged below the cross roller way and used for sending the hub into the sorting roller way; lie in on the main roll table certain distance department before the cross roll table is provided with the correlation light curtain, the main roll table is last from the terminal of at least one meter department before the correlation light curtain to the cross roll table for selecting separately the main roll table, the below of selecting separately the main roll table is provided with selects separately main roll table motor, select separately main roll table motor drive roller synchronous rotation on the main roll table of selecting separately, select separately main roll table motor and the gear ratio of roller is 1: 1, a roller way single-circle absolute value encoder is arranged on a sorting main roller way motor;
the hub sorting roller way is controlled by a P L C module.
2. A wheel hub sorting roller way is characterized in that a lifting belt mechanism comprises a belt mechanism bracket fixed on the ground, a horizontal support plate is fixedly arranged at the top of the belt mechanism bracket, air cylinder openings with symmetrical positions are respectively arranged on two sides of the horizontal support plate, air cylinders with upward cylinder rod directions are respectively fixedly arranged on the lower surfaces of the two air cylinder openings, cylinder rods of the two air cylinders penetrate through the air cylinder openings at the corresponding positions, an upper cylinder rod proximity switch and a lower cylinder rod proximity switch are respectively arranged on the upper portion and the lower portion of the side wall of a cylinder barrel of one air cylinder, a lifting plate used for jointly driving the two air cylinders to lift is arranged above the horizontal support plate, and the tops of the cylinder rods of the two air cylinders are respectively and fixedly connected to the symmetrical positions of the lower surface of the lifting plate;
the last fixed surface of lifter plate has two sets of separation belt component that set up side by side and the structure is the same, the separation belt component includes the driven pulley that the drive pulley and two upper portions that the lower part set up, two driven pulley is located the both sides of separation belt component are and be in the same level, one drive pulley and two the structure outer lane cover of falling triangle-shaped that driven pulley constitutes is equipped with the belt, the upper surface of lifter plate still includes belt driving motor, belt driving motor drive two of separation belt component the drive pulley linkage, be provided with belt single circle absolute value encoder on the belt driving motor, last two of lifter plate the separation belt component all with roller parallel arrangement and clearance fit on the main roll table.
3. The wheel hub sorting roller way according to claim 2, wherein the sorting belt member comprises two T-shaped plates arranged in parallel and spaced at a certain interval, each T-shaped plate comprises a 1-shaped support plate arranged in the vertical direction and a 1-shaped horizontal plate arranged in the horizontal direction, the lower parts of the two 1-shaped support plates of the sorting belt member are respectively provided with a driving belt pulley, the two sides of the two 1-shaped horizontal plates of the sorting belt member are respectively provided with a driven belt pulley, the outer ring of an inverted triangle structure formed by one driving belt pulley and the two driven belt pulleys is sleeved with a belt, the two sorting belt members are arranged in parallel on the lifting plate, so that the driving belt pulleys of the two sorting belts are coaxial, and the axes of the two driving belt pulleys are penetrated with a driven connecting rod, the driven connecting rod penetrates through the axis of one of the driving belt pulleys and is extended for a certain distance, a driven gear is fixedly arranged at the extended end of the driven connecting rod, a driving gear is arranged on a rotating shaft of the belt driving motor, and the driving gear drives the driven gear to rotate through a chain.
4. The wheel hub sorting roller way according to claim 3, wherein symmetrical extension surfaces extend from the upper portions of two support plates shaped like a Chinese character '1' and comprise sorting belt members to two sides of a plane, two tensioning belt pulleys are symmetrically arranged on two sides of the symmetrical extension surfaces, the two tensioning belt pulleys clamp the belt from the waist portion of the belt in an inverted triangular structure, and elongated openings used for fixing the tensioning belt pulleys and adjusting tensioning are arranged on the two symmetrical extension surfaces.
5. The wheel hub sorting roller way according to claim 4, wherein two guide post openings symmetrical with the center of the horizontal support plate are arranged on the horizontal support plate, vertical guide sleeves are fixedly arranged at the two guide post openings, guide posts penetrate through the two guide sleeves, and the vertexes of the two guide posts are fixed on the lifting plate.
6. The wheel hub sorting roller way according to claim 5, wherein the belt mechanism bracket is of a door-shaped structure and comprises two supporting side walls symmetrically arranged on the ground, and a horizontal transverse plate is arranged between the tops of the two supporting side walls.
7. The method for sorting a hub sorting roller table according to any one of claims 1 to 6, comprising:
step S101: obtaining the diameter d of the hub through a correlation light curtain to obtain the size of the hub;
step S102: judging whether a sorting condition is met or not according to the size of the hub, if so, executing the step S103, if not, not entering the sorting, and driving a sorting main roller way motor to drive the sorting main roller way to continuously rotate so as to enable the hub to enter a subsequent sorting area;
step S103: calculating the preset number of turns n of the sorting main roller way motor when the rear end of the hub leaves the opposite light curtain and the hub is sent to the center of the first cross roller way, and executing the step S104;
step S104: driving the sorting main roller way motor to execute n-circle rotation and then stop through the roller way unit absolute value encoder, and executing the step S105;
step S105, controlling the lifting belt mechanism to lift by the P L C module;
step S106: the lifting belt mechanism sends the hub to a sorting roller way, and step S107 is executed;
step S107, the P L C module controls the lifting belt mechanism to descend;
and S108, driving a main sorting roller way motor to drive the main sorting roller way to rotate by the P L C module, and sorting the next hub.
8. The sorting method of the hub sorting roller way according to claim 7, wherein the step S101 comprises:
step S1011: acquiring time t1 when the front end of the hub shields the correlation light curtain, acquiring time t2 when the rear end of the hub goes out of the correlation light curtain, and acquiring delta t which is t2-t 1;
step S1012, calculating the advancing speed v of the sorting main roller way to be rho × C according to the rotating frequency rho of the sorting main roller way motor and the rotating perimeter C of the roller;
and step S1013, obtaining the hub diameter d as v × delta t.
9. The sorting method of the hub sorting roller way according to claim 8, wherein the step S103 is: and calculating the distance S from the rear end of the hub to the center of the cross roller way, calculating the preset number of rotation turns n of the sorting main roller way motor to be S/C according to the rotation perimeter C of the roller, and executing the step S104.
10. The sorting method of the hub sorting roller way according to claim 9, wherein the step S103 comprises: and the distance S between the rear end of the hub and the opposite light curtain and the distance S between the hub and the center of the cross roller way when the hub is conveyed to the center of the cross roller way is equal to M-d/2, wherein M is the distance between the opposite light curtain and the center of the cross roller way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010268092.7A CN111482378A (en) | 2020-04-08 | 2020-04-08 | Hub sorting roller way and sorting method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010268092.7A CN111482378A (en) | 2020-04-08 | 2020-04-08 | Hub sorting roller way and sorting method thereof |
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| CN111482378A true CN111482378A (en) | 2020-08-04 |
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Application publication date: 20200804 |