CN111634756B - Full-automatic disc feeder - Google Patents

Full-automatic disc feeder Download PDF

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Publication number
CN111634756B
CN111634756B CN202010414487.3A CN202010414487A CN111634756B CN 111634756 B CN111634756 B CN 111634756B CN 202010414487 A CN202010414487 A CN 202010414487A CN 111634756 B CN111634756 B CN 111634756B
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China
Prior art keywords
disc
plastic
plastic disc
positioning
storage box
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CN202010414487.3A
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Chinese (zh)
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CN111634756A (en
Inventor
朱庆德
王玉敏
石宗恒
范秀增
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Henan Xigong Mechanical & Electrical Equipment Co ltd
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Henan Xigong Mechanical & Electrical Equipment Co ltd
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Priority to CN202010414487.3A priority Critical patent/CN111634756B/en
Publication of CN111634756A publication Critical patent/CN111634756A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
    • B65H67/06—Supplying cores, receptacles, or packages to, or transporting from, winding or depositing stations
    • B65H67/061—Orientating devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
    • B65H67/06—Supplying cores, receptacles, or packages to, or transporting from, winding or depositing stations
    • B65H67/068—Supplying or transporting empty cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/36—Wires
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

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  • Feeding Of Articles To Conveyors (AREA)
  • Specific Conveyance Elements (AREA)

Abstract

The invention provides a full-automatic disc feeder which can continuously provide precisely positioned plastic discs for an automatic layer winding machine. The plastic tray conveying device comprises a tray storage box for storing plastic trays, wherein an outlet of the tray storage box is connected with a turnover mechanism, and the turnover mechanism turns the plastic trays onto a spiral conveying shaft of a tray conveying mechanism; the plastic disc feeding mechanism is arranged on the frame, the automatic positioning mechanism is used for positioning the plastic disc on the spiral conveying shaft, the spatial position of the plastic disc can be accurately positioned through the positioning rod and the photoelectric sensor, the front side and the back side of the plastic disc are automatically identified, and the front side of the plastic disc is ensured to be discharged. A single automatic disc feeder can automatically and continuously supply discs for a plurality of layer winding machines. The disc storage box can store about 60 plastic discs each time, the disc storage quantity is large, and the disc can be loaded once and run for a long time in a full-automatic mode. A diskless detection mechanism is arranged, and automatic alarm prompt can be realized when no disk exists.

Description

Full-automatic disc feeder
Technical Field
The invention relates to the field of welding wire production, in particular to a full-automatic coil feeder.
Technical Field
The final step in the production of the welding wire is a layer winding process, namely, the finished welding wire is orderly and densely arranged on a winding shaft (a plastic disc). In order to improve the production efficiency and reduce the labor intensity, the process needs to realize automatic laminating operation, and then an apparatus capable of continuously providing precisely positioned plastic trays for an automatic laminating machine is needed.
Disclosure of Invention
The invention provides a full-automatic disc feeder which can continuously provide precisely positioned plastic discs for an automatic layer winding machine.
The object of the invention is achieved in the following way:
a plastic disc feeding mechanism comprises a disc storage box for storing plastic discs, wherein an outlet of the disc storage box is connected with a turnover mechanism, and the turnover mechanism turns the plastic discs onto a spiral conveying shaft of a disc conveying mechanism; the guide inclined plate is arranged in the disc storage box, the tail end of the guide inclined plate is provided with a turnover mechanism A, the turnover mechanism A turns over the plastic disc and then sends the plastic disc into a turnover mechanism B, and the turnover mechanism B turns over the plastic disc and then sends the plastic disc into the spiral conveying shaft.
The two sides of the guide inclined plate are connected with the storage disc box, and the guide inclined plate is provided with an inclined angle along the rolling direction of the plastic disc; the front end and the rear end of the guide inclined plate are bent, and the distance between the rear end of the guide inclined plate and the inner wall of the storage disc box is slightly larger than the diameter of the plastic disc.
The turnover mechanism A and the turnover mechanism B comprise an actuating mechanism cylinder, a piston rod and a turnover plate; the lower end of the piston rod is connected with the upper end of the swing arm, the lower end of the swing arm is hinged with the rotating shaft, the turnover plate is fixed on the rotating shaft, and two ends of the rotating shaft are connected in the disc storage box through bearings; and the overturning plate is an arc-shaped plate.
The spiral conveying shaft is provided with a spiral line protruding along the circumferential surface, the spiral line does not cover the spiral conveying shaft completely, and the length of an optical axis which is not covered by the spiral line is slightly larger than the thickness of the plastic disc; the shaft shoulders of one ends of the two spiral conveying shafts, which are provided with optical axes, are provided with positioning blocks.
The disc feeding mechanism comprises a speed reducing motor, the speed reducing motor is connected with a driving belt pulley through a coupler and a fixed shaft, and the driving belt pulley is connected with two driven belt pulleys through an annular synchronous belt; the two driven pulleys are respectively arranged on the two spiral conveying shafts; the journals at the two ends of the two spiral conveying shafts are fixed on the frame through supporting bearings.
The invention also comprises a plastic disk-free detection mechanism which detects the storage condition of the plastic disk in the disk storage box; the plastic-disc-free detection mechanism comprises two fixing seats which are arranged on the frame, and a photoelectric switch B is arranged on each fixing seat; the left side and the right side of the disc storage box are respectively provided with a through hole, and the light rays of one photoelectric switch B enter from one through hole, pass through the other through hole and are received by the other photoelectric switch B.
The full-automatic tray feeding machine of any plastic tray feeding mechanism comprises a frame, wherein the frame is provided with the plastic tray feeding mechanism, after the plastic tray is conveyed onto a spiral conveying shaft, the automatic positioning mechanism is used for positioning the plastic tray positioned on the spiral conveying shaft, and after the positioning, the lifting mechanism is used for lifting the plastic tray, so that the mechanical arm can be conveniently used for grabbing.
The automatic positioning mechanism comprises a cylinder C, a piston rod of the cylinder C is fixedly connected with a support through an L-shaped rod, an extension part is arranged on the side of the L-shaped rod, and a proximity switch is fixed on the L-shaped rod; the forefront end of the support is fixed with a vertical rod, the tail end of the vertical rod is hinged to the middle part of the positioning rod through a rotating shaft, and the overhanging length of the front end part of the positioning rod is larger than the forefront end of the extension part; a reset spring is arranged between the front end of the positioning rod and the extension part of the L-shaped rod, and the rear end of the positioning rod extends to the upper part of the proximity switch; when the positioning rod is pulled by the reset spring and rotates around the rotating shaft, the positions of the rear end of the positioning rod and the proximity switch are changed.
Two photoelectric switches A for judging the front and back sides of the plastic disc are arranged on the frame, and light rays emitted by one photoelectric switch A can pass through a single-sided through hole on the front side of the plastic disc and are received by the other photoelectric switch A.
The lifting mechanism comprises a lifting cylinder and a rotary cylinder, a piston rod on the lifting cylinder is connected with a base of the rotary cylinder, a lifting seat is fixed on the piston rod of the rotary cylinder, and a limiting groove is formed in the lifting seat; the lifting mechanism further comprises a guide rail and a proximity switch sensor, wherein the guide rail is arranged on the frame, and the proximity switch sensor is arranged on the guide rail.
The invention has the beneficial effects that:
1. the positioning rod and the photoelectric sensor can accurately position the space position where the plastic disc is placed, automatically identify the front side and the back side of the plastic disc, and ensure that the front side of the plastic disc is discharged.
2. A single automatic disc feeder can automatically and continuously supply discs for a plurality of layer winding machines. The disc storage box can store about 60 plastic discs each time, the disc storage quantity is large, and the disc can be loaded once and run for a long time in a full-automatic mode. A diskless detection mechanism is arranged, and automatic alarm prompt can be realized when no disk exists.
3. The equipment is small in size, convenient to install and small in occupied assembly line area.
4. The equipment is provided with an independent control system, and can be independently installed and debugged and the subsequent layer can be operated on line around the equipment, so that other equipment does not need to be shut down when the equipment is installed and debugged.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is an enlarged view of a portion of the automatic positioning mechanism;
fig. 5 is a schematic view of a plastic tray.
Wherein: 01 is the stopper, 02 is single-sided through hole, 03 is plastic tray side hole, 1 is the frame, 2 is the storage disc case, 3 is the direction swash plate, 4 is cylinder A,5 is tilting mechanism A,6 is cylinder B,7 is tilting mechanism B,8 is gear motor, 9 is driving pulley, 10 is driven pulley, 11 is the screw conveying axle, 12 is the supporting bearing, 13 is the locating piece, 14 is cylinder C,15 is the support, 16 is the locating lever, 17 is reset spring, 18 is proximity switch, 19 is photoelectric switch A,20 is the lift cylinder, 21 is the revolving cylinder, 22 is the lift seat, 23 is the guide rail, 24 is proximity switch sensor, 25 is the fixing base, 26 is photoelectric switch B,27 is L type pole, 28 is extension, 29 is montant.
Detailed Description
As shown in fig. 1, the full-automatic disc feeder comprises a frame 1, wherein a disc storage box 2, a turnover mechanism, a disc feeding mechanism, an automatic positioning mechanism, a lifting mechanism and a plastic disc-free detection mechanism are arranged on the frame 1. Wherein, the plastic tray is equipped with in the storage tray case 2, no plastic tray detection mechanism detects the plastic tray storage condition of storage tray incasement, and tilting mechanism is connected to the exit of storage tray case, and tilting mechanism is with the plastic tray upset to the screw conveyer shaft 11 of giving the dish mechanism, later, automatic positioning mechanism fixes a position the plastic tray that is located on the screw conveyer shaft 11, after the location, is held in the palm high with the plastic tray by lifting mechanism, makes things convenient for the arm to snatch.
As shown in fig. 1, the plastic trays are manually placed in the tray storage box 2, and about 60 plastic trays can be stored in the tray storage box 2 at a time; the plastic reel is a plastic reel for wire loading or winding, and may be also called a cable reel, a spool, a glue shaft, a spool, a wire spool, a packaging reel, a finished product reel, a winding reel, etc. depending on the region and the application. In the disc storage box, after the plastic disc at the lower layer is taken away, the plastic disc at the upper layer automatically rolls down along the guide inclined plate 3 and enters the original position of the plastic disc at the lower layer.
First, plastic trays are manually placed one by one on the guide inclined plate 3 in the tray storage box 2, and are sequentially arranged. The tail end of the guide sloping plate 3 is provided with a turnover mechanism A5, the turnover mechanism A5 faces to a turnover mechanism B7 after being turned over, and the turnover mechanism B7 faces to the spiral conveying shaft after being turned over. During operation, the plastic disc rolls along the guide inclined plate and falls onto the turnover mechanism A5 of the turnover mechanism, after the turnover mechanism A5 is fully filled, the plastic disc is turned over onto the turnover mechanism B7, and then the plastic disc is sequentially placed on the guide inclined plate 3 until the guide inclined plate 3 is fully filled. Thus, the plastic disc on the turnover mechanism A5 is a secondary bottom plastic disc, and the plastic disc on the turnover mechanism B7 is a bottom plastic disc; then, the diskless detection mechanism detects that no plastic disc exists on the spiral conveying shaft, and the turnover mechanism B7 completely turnover the plastic disc at the bottom layer onto the spiral conveying shaft. The plastic disk on the screw conveying shaft is a positioning plastic disk.
The two sides of the guiding sloping plate 3 are connected with the storage disc box 2, incline by a certain angle along the rolling direction of the plastic disc, and the rear end part is bent to strengthen the strength of the guiding sloping plate 3. The guiding sloping plate 3 is lower than the outer edge of the storage disc box 2, so that the upper edge of the storage disc box 2 can play a limiting role on the plastic disc. The distance between the rear end part of the guide inclined plate 3 and the inner wall of the tray storage box 2 is slightly larger than the diameter of the plastic tray, the front end part is bent, the edge height is increased, the plastic tray can be conveniently and smoothly dropped to the secondary bottom layer, and enough plastic trays can be placed on the guide inclined plate 3. After the plastic disc of the secondary bottom layer on the turnover mechanism A5 is taken away, the plastic disc of the upper layer automatically rolls down along the guide inclined plate 3 and enters the position of the plastic disc of the secondary bottom layer.
And the turnover mechanisms A and B comprise actuating mechanism cylinders, piston rods and turnover plates. The actuating mechanism of the turnover mechanism and the lifting mechanism in the application can be any one of pneumatic, hydraulic and electric modes. This embodiment is described in detail in a pneumatic manner.
In each turnover mechanism, the cylinder body of the actuating mechanism cylinder is fixed on the outer side wall of the storage disc box 2, the upper end of the cylinder is provided with an air path control valve and an air pipe, the lower end of a piston rod is connected with the upper end of a swing arm, the lower end of the swing arm is hinged with a rotating shaft, a turnover plate is fixed on the rotating shaft, and two ends of the rotating shaft are connected in the storage disc box through bearings. When the piston rod of the air cylinder stretches out or contracts, the swing arm rotates around the rotating shaft to drive the turnover plate to rotate around the rotating shaft. The section of the turnover plate is an arc-shaped plate, and the arc-shaped surface is tangent with the outer edge of the plastic disc placed on the turnover plate. Specifically, when the piston rod of the air cylinder A4 stretches, the overturning plate A of the overturning mechanism A5 is driven to rotate, and when the piston rod of the air cylinder B6 stretches, the overturning plate B of the overturning mechanism B7 is driven to move.
As shown in fig. 1, after a plastic tray is placed on a turnover plate a of a turnover mechanism A5, a piston rod of an air cylinder A4 contracts to drive the turnover plate a to rotate clockwise by a specific angle, and the bottom layer and the secondary bottom layer plastic tray are separated. After the positioning plastic disc is grabbed by a mechanical arm (a non-patent application part), a piston rod of the air cylinder B6 contracts to drive the turnover plate B of the turnover mechanism B7 to rotate anticlockwise by a certain angle, the bottom plastic disc is completely turned over to the spiral disc feeding mechanism, and then the piston rod of the air cylinder B6 extends out to drive the turnover plate B to rotate clockwise to reset. The piston rod of the cylinder A4 extends out after the turning plate B is turned and reset, and drives the turning plate A to turn and reset anticlockwise, and at the moment, the plastic disc at the secondary bottom layer enters the bottom layer. The upper plastic tray is sequentially dropped onto the overturning plate A, and the steps are repeated.
As shown in fig. 2, the disc feeding mechanism comprises a gear motor 8, the gear motor 8 is fixed on the frame 1, the gear motor 8 is connected with a driving belt pulley 9 through a coupler and a fixed shaft, and the driving belt pulley 9 is connected with two driven belt pulleys 10 with the same size through annular synchronous belts. Two driven pulleys 10 are mounted on two screw conveyor shafts 11, respectively. The journals at the two ends of the two spiral conveying shafts 11 are fixed on the frame 1 through support bearings 12. The distance between the inner sides of the two screw conveying shafts 11 after the installation is smaller than the diameter of the side plate of the plastic disc, so that the plastic disc can be placed on the screw conveying shafts 11. The spiral conveying shaft 11 is provided with a spiral line protruding along the circumferential surface, and the spiral line does not cover the spiral conveying shaft 11 entirely, wherein the length of an optical axis uncovered by the spiral line is slightly larger than the thickness of the plastic disc. The shaft shoulders of the two screw conveying shafts 11, which are provided with one ends with optical axes, are provided with positioning blocks 13.
As shown in fig. 2, after the positioning plastic disc is grabbed by the mechanical arm (not the part of the patent application), the piston rod of the cylinder B contracts to drive the turnover mechanism B7 to rotate anticlockwise by a specific angle, the plastic disc is turned over and falls on two spiral conveying shafts 11 of the disc conveying mechanism, the gear motor 8 drives the two spiral conveying shafts 11 to rotate through belt transmission, the convex spiral lines on the surfaces of the two spiral conveying shafts 11 push the plastic disc to one end without a spiral line optical axis, and the positioning block 13 provides axial positioning for the plastic disc, so that the plastic disc continues to rotate along with the spiral conveying shafts 11 at the optical axis.
As shown in fig. 3-4, the automatic positioning mechanism comprises a cylinder C14, and the cylinder C14 is fixed on the frame 1. The piston rod of the air cylinder C14 is connected with the support 15, and the piston rod of the air cylinder moves to drive the support 15 to move linearly. Specifically, as shown in fig. 4, the end of the piston rod of the cylinder is fixedly connected with the support 15 through an L-shaped rod 27, an extension part 28 is arranged on the side of the L-shaped rod 27, and a proximity switch 18 is fixed on the L-shaped rod 27; the support 15 is fixed with a vertical rod 29 at the forefront end, the tail end of the vertical rod 29 is hinged at the middle part of the positioning rod 16 through a rotating shaft, and the overhanging length of the front end part of the positioning rod 16 is larger than that of the forefront end of the extension part 28. A return spring 17 is provided between the front end of the positioning lever 16 and the L-shaped lever extension 28, and the rear end of the positioning lever 16 extends above the proximity switch 18. When the positioning rod 16 is pulled by the return spring 17 and rotates around the rotation axis, the positions of the rear end of the positioning rod 16 and the proximity switch 18 change.
The piston rod of the cylinder C14 extends out, and the L-shaped rod 27 drives the support 15 to integrally move leftwards, so that the positioning rod 16 penetrates into a positioning plastic disc on the spiral conveying shaft. As shown in fig. 5, a limiting block 01 is arranged on the plastic disc, the limiting block 01 is positioned in a side inner hole 03 outside the plastic disc rotating shaft, the limiting block 01 is cylindrical, and the axis of the limiting block 01 is parallel to the rotating axis of the positioning plastic disc. When the positioning plastic disc rotates along with the screw conveying shaft 11, the positioning rod 16 can touch the limiting block 01. Because the overhanging length of the front end part of the positioning rod 16 is larger than the forefront end of the extension part 28, the positioning rod 16 firstly touches the limiting block 01, the positioning plastic disk rotates clockwise, the front end of the positioning rod 16 is downward, the return spring 17 is stretched, the rear end of the positioning rod 16 is upward and far away from the proximity switch 18, and the proximity switch 18 sends out a signal indicating that the positioning plastic disk reaches the axial preset position. That is, the positioning rod 16 is driven by the piston rod to be inserted into the inner hole 03 on the side surface of the rotating plastic disc, as shown in fig. 4, since the two screw conveying shafts 11 always rotate in the same direction, the plastic disc pushed to the optical axis region rotates at the optical axis portion due to the inertia and friction force, and during the rotation of the plastic disc, the positioning rod 16 gradually approaches and touches the stopper 01 on the plastic disc, at this time, the return spring is stretched, the positioning rod 16 rotates counterclockwise, at this time, the proximity switch sensor 18 senses and sends out a signal, that is, it is determined that the plastic disc rotates to the designated position, and at the same time, the speed reducing motor 8 stops.
Two photoelectric switches A19 are arranged on the frame 1, one photoelectric switch A emits light, and the other photoelectric switch A receives light and is used for judging the front and back surfaces of the plastic disc. The front surface of the plastic disc is provided with a single-sided through hole 02, and the back surface of the plastic disc is a complete plane. And during operation, the plastic disc is vertically placed, that is, the rotating shaft of the plastic disc is parallel to the spiral conveying shaft 11, so that a certain angle is required to be set when the two photoelectric switches A are installed, that is, the two photoelectric switches A are located at different heights, as shown in fig. 3, and therefore, when light rays emitted by one photoelectric switch can pass through the single-sided through hole 02 and are received by the other photoelectric switch A. When the gear motor 8 is stopped, if the two photoelectric switches 19 receive the light passing through the single-sided through hole at the front fixed position of the plastic disc, the photoelectric switches are turned on, and the plastic disc is judged to be front. If the photoelectric switch is not turned on, the plastic disc is judged to be the reverse side.
After the proximity switch sensor 18 and the photoelectric switch A19 send out sensing signals, the automatic positioning mechanism can detect that the plastic disc is positioned on the optical axis parts of the two spiral conveying shafts 11 and can detect the front surface of the plastic disc, so that the system judges that the position of the plastic disc is finished.
After the position judgment is completed, the plastic disc is pushed out by the lifting mechanism, the piston rod of the cylinder C14 is reset, the positioning rod 16 and the reset spring 17 are reset, and the positioning rod and the position state of the proximity switch sensor 18 are retracted to the initial position.
As shown in fig. 1, the lifting mechanism comprises a lifting cylinder 20, a rotating cylinder 21, wherein a piston rod on the lifting cylinder 20 is connected with a base of the rotating cylinder 21, a lifting seat 22 is fixed on the piston rod of the rotating cylinder 21, a limiting groove is formed in the lifting seat, the cross section of the limiting groove can be in a V shape, an arc shape or a rectangle shape, and the like, so that a plastic disc is limited to roll on the lifting seat 22, and the lifting seat 22 is slightly wider than the thickness of the plastic disc. The lifting mechanism further comprises a guide rail 23 and a proximity switch sensor 24, wherein the guide rail 23 is arranged on the frame 1, the proximity switch sensor 24 is arranged on the guide rail 23, the proximity switch sensor 24 is a Hall sensor, the width of the lifting seat 22 is larger than the diameter of the lifting cylinder piston rod, and when the lifting cylinder piston rod extends to the position of the proximity switch sensor 24, the proximity switch sensor 24 sends out a signal.
After the position of the plastic tray is judged, a piston rod of the lifting cylinder 20 is extended, and a lifting seat 22 fixed on the rotary cylinder is linearly moved along a guide rail 23 until the plastic tray at the optical axis position on the two screw conveying shafts 11 is lifted up to the screw conveying shafts 11. At this time, if the plastic tray is wrong in front and back sides according to the judgment result of the photoelectric switch A19, the rotary cylinder 21 is rotated 180 degrees to adjust the plastic tray from the back side to the front side position.
The proximity switch sensor 24 detects that the plastic tray is lifted to a specified position, signals, and the mechanical arm (not part of the present patent application) grips the plastic tray. The piston rod of the lifting cylinder 20 is contracted to drive the rotary cylinder 21 and the lifting seat 22 fixed on the rotary cylinder to reset. Then the gear motor 8 is started to drive the driving wheel 9 to be transmitted to the driven wheel 10 through the synchronous belt, so as to drive the spiral conveying shaft 11 to rotate, and the plastic disc is continuously pushed to the optical axis position of the spiral conveying shaft 11.
The above steps are repeated until the positioning plastic disk on the screw conveyor shaft 11 is exhausted.
The linear guide rail 23, the lifting seat 22 and the lifting cylinder 20 on the lifting mechanism must be installed vertically on the central line of the two screw conveying shafts 11. Thus, the plastic tray is ensured not to roll when being lifted.
The plastic-disc-free detection mechanism comprises two fixing seats 25 arranged on the frame, and a photoelectric switch B26 is arranged on each fixing seat 25. As shown in fig. 3, through holes are formed at designated positions on the left and right sides of the tray box 2 for light to pass through, and a fixing seat 25 provided with a photoelectric switch B26 is installed at the designated position of the frame 1 so as to allow light of one photoelectric switch B to enter from one through hole, pass out from the other through hole and be received by the other photoelectric switch B. As shown in fig. 3, the light passes through the through holes on the 2 nd plastic disk and the disk storage box 2, and after the 2 nd plastic disk enters the optical axis position of the screw conveying shaft 11, the photoelectric switch B26 is turned on to give an alarm to prompt the addition of the plastic disk. The 2 nd plastic tray refers to the rightmost 2 nd plastic tray as shown in fig. 3.
After receiving the alarm signal, the turnover mechanism turns all the plastic trays at the bottom layer onto the two spiral conveying shafts 11, and the steps are repeated until all the plastic trays in the tray storage box are used up.
In this application, the cylinder A4, the cylinder B6, the gear motor 8, the cylinder C14, the proximity switch 18, the photoelectric switch a19, the lifting cylinder 20, the rotary cylinder 21, the proximity switch sensor 24, and the photoelectric switch B26 are all connected to a control system, and the control system controls the start and stop of the above components according to the techniques known to those skilled in the art.

Claims (5)

1. A full-automatic dish machine that supplies, its characterized in that: the automatic positioning device comprises a frame (1), wherein a plastic disc feeding mechanism is arranged on the frame (1), after the plastic disc is conveyed onto a spiral conveying shaft (11), the automatic positioning mechanism is used for positioning the plastic disc positioned on the spiral conveying shaft (11), and after the positioning, the lifting mechanism is used for lifting the plastic disc, so that the plastic disc is convenient for a mechanical arm to grasp;
the plastic disc feeding mechanism comprises a disc storage box (2) for storing plastic discs, an overturning mechanism is connected to the outlet of the disc storage box, and the overturning mechanism overturns the plastic discs onto a spiral conveying shaft (11) of the disc conveying mechanism; a guide inclined plate (3) is arranged in the disc storage box (2), a turnover mechanism A (5) is arranged at the tail end of the guide inclined plate (3), the turnover mechanism A (5) turns over the plastic disc and then sends the plastic disc into a turnover mechanism B (7), and the turnover mechanism B (7) turns over the plastic disc and then sends the plastic disc onto a spiral conveying shaft (11);
the turnover mechanism A (5) and the turnover mechanism B (7) comprise an actuating mechanism cylinder, a piston rod and a turnover plate; the lower end of the piston rod is connected with the upper end of the swing arm, the lower end of the swing arm is hinged with the rotating shaft, the turnover plate is fixed on the rotating shaft, and two ends of the rotating shaft are connected in the disc storage box through bearings; the overturning plate is an arc plate;
the spiral conveying shaft (11) is provided with a spiral line protruding along the circumferential surface, the spiral line does not cover the spiral conveying shaft (11) completely, and the length of an optical axis which is not covered by the spiral line is slightly larger than the thickness of the plastic disc; a positioning block (13) is arranged at the shaft shoulder of one end of the two spiral conveying shafts (11) with the optical axis;
the plastic disc feeding mechanism further comprises a plastic disc-free detection mechanism, and the plastic disc-free detection mechanism detects the storage condition of the plastic disc in the disc storage box; the plastic-disc-free detection mechanism comprises two fixing seats (25) which are arranged on the frame, and a photoelectric switch B (26) is arranged on each fixing seat; the left side and the right side of the disc storage box (2) are provided with through holes, and the light of one photoelectric switch B enters from one through hole, passes out from the other through hole and is received by the other photoelectric switch B;
the automatic positioning mechanism comprises an air cylinder C (14), a piston rod of the air cylinder C (14) is fixedly connected with a support (15) through an L-shaped rod (27), an extension part (28) is further arranged on the side of the L-shaped rod (27), and a proximity switch (18) is fixed on the L-shaped rod (27); the forefront end of the support (15) is fixed with a vertical rod (29), the tail end of the vertical rod (29) is hinged to the middle part of the positioning rod (16) through a rotating shaft, and the overhanging length of the front end part of the positioning rod (16) is larger than the forefront end of the extension part (28); a return spring (17) is arranged between the front end of the positioning rod (16) and the L-shaped rod extension part (28), and the rear end of the positioning rod (16) extends to the upper part of the proximity switch (18); when the positioning rod (16) is pulled by the return spring (17) and rotates around the rotating shaft, the positions of the rear end of the positioning rod (16) and the proximity switch (18) are changed.
2. The fully automatic disc feeder of claim 1, wherein: two photoelectric switches A (19) for judging the front and back sides of the plastic disc are arranged on the frame (1), and light rays emitted by one photoelectric switch A can pass through a single-sided through hole (02) on the front side of the plastic disc and are received by the other photoelectric switch A.
3. The fully automatic disc feeder of claim 1, wherein: the lifting mechanism comprises a lifting cylinder (20) and a rotary cylinder (21), a piston rod on the lifting cylinder (20) is connected with a base of the rotary cylinder (21), a lifting seat (22) is fixed on the piston rod of the rotary cylinder (21), and a limiting groove is formed in the lifting seat (22); the lifting mechanism further comprises a guide rail (23) and a proximity switch sensor (24), wherein the guide rail (23) is arranged on the frame (1), and the proximity switch sensor (24) is arranged on the guide rail (23).
4. The fully automatic disc feeder of claim 1, wherein: the two sides of the guide inclined plate (3) are connected with the disc storage box (2), and the guide inclined plate (3) is provided with an inclined angle along the rolling direction of the plastic disc; the front end and the rear end of the guide inclined plate (3) are bent, and the distance between the rear end of the guide inclined plate (3) and the inner wall of the disc storage box (2) is slightly larger than the diameter of the plastic disc.
5. The fully automatic disc feeder of claim 1, wherein: the disc feeding mechanism comprises a gear motor (8), the gear motor (8) is connected with a driving belt pulley (9) through a coupler and a fixed shaft, and the driving belt pulley (9) is connected with two driven belt pulleys (10) through annular synchronous belts; the two driven pulleys (10) are respectively arranged on the two spiral conveying shafts (11); the journals at the two ends of the two spiral conveying shafts (11) are fixed on the frame (1) through supporting bearings (12).
CN202010414487.3A 2020-05-15 2020-05-15 Full-automatic disc feeder Active CN111634756B (en)

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