Anti-tearing discharging opening detection discharging mechanism and discharging method

Abstract

The invention discloses an anti-tearing discharging opening detection discharging mechanism and a discharging method, and relates to the technical field of material opening tearing prevention. Comprising a unilateral plate, and the unilateral plate is located on one side of the barrel-shaped material opening in the advancing direction of the leather conveying belt; a rotating shaft is mounted at the top of the single lateral plate and is rotationally connected to the cylindrical material opening; the metal detection piece is located at the top of the single lateral plate; the metal detection piece comprises an annular shell and a power supply assembly, the annular shell is fixedly installed on the outer side of the top of the cylindrical material opening in a surrounding mode, and an annular electromagnetic coil is installed in the annular shell; the detection sensor group is mounted on the single lateral plate; the detection sensor group comprises a torque sensor and is coaxially mounted on the rotating shaft; the bottom of the rail inserting piece is installed on a rack of the conveying belt, a transverse inserting rod is installed at the output end of the rail inserting piece, and the transverse inserting rod is located on the side, back to the single lateral plate, of the cylindrical material opening. The technical problems that a leather conveying belt is prone to being torn by metal materials and materials are prone to being blocked are solved.

Description

Technical Field

[0001] The invention relates to the technical field of tear-proof material opening, and in particular to a tear-proof material discharging opening detection and discharging mechanism and a material discharging method. Background Art

[0002] In the material conveying structure, hoppers and belt conveyors often appear. When materials fall directly onto the belt conveyors, collisions are likely to occur, which results in a reduction in the belt conveyor's service life. As for materials, powdery or small block materials are prone to blockage due to humidity, which results in clogging of the silo's material port. Furthermore, if the miscellaneous materials are large metal particles or metal rods that fall from the equipment or enter from the outside, it is more likely to cause belt tearing.

[0003] Relatively speaking, the entire belt costs at least hundreds of thousands and at most millions, and the replacement cost is high. Therefore, on the one hand, it is necessary to open the material plate for unloading when the pressure of the material at the unloading port is too high. On the other hand, if metal rods appear, the metal rods should be lowered and inserted into the leather conveyor belt to prevent tearing problems.

[0004] The existing discharge port has a low height difference with the conveyor belt, which is not enough to carry out larger particles or metal rods; it is easy to cause blockage and tearing;

[0005] The prior art, such as CN222006116U, discloses a belt conveyor unloading port anti-blocking structure, which uses a movable sliding rod installed in the port to prevent material from being blocked. However, this further reduces the unloading flow cross section and makes it difficult to clean the long rod metal material.

[0006] To this end, we provide a tear-proof discharge opening detection discharge mechanism and a discharge method to solve the above problems. Summary of the invention

[0007] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0008] An anti-tear discharge opening detection and discharge mechanism comprises a silo and a frame, a conveyor belt is installed on the frame, the silo is installed on the top of the conveyor belt, and a cylindrical material opening is installed at the bottom of the silo, and also comprises:

[0009] A single side plate, which is located on the side of the cylindrical material opening along the advancing direction of the leather conveyor belt; a rotating shaft is installed on the top of the single side plate and is rotatably connected to the cylindrical material opening;

[0010] The metal detector is located on the top of the single side plate; the metal detector includes an annular shell and a power supply assembly, the annular shell is fixedly mounted around the outside of the top of the cylindrical material port, and an annular electromagnetic coil is installed in the annular shell; the power supply assembly is suitable for being electrically connected to the annular electromagnetic coil;

[0011] A detection sensor group, the detection sensor group is mounted on the single side plate; the detection sensor group includes a torque sensor and is coaxially mounted on the rotating shaft;

[0012] A track plug-in, the bottom of which is mounted on the frame of the conveyor belt, and a transverse insertion rod is installed at the output end, the transverse insertion rod is suitable for being inserted into the cylindrical material opening, and the transverse insertion rod is located on the side of the cylindrical material opening facing away from the single side plate.

[0013] In a further technical solution, the detection sensor group further includes a mounting seat, and the mounting seat is detachably mounted on the single side plate;

[0014] The cylindrical material port comprises a fixed plate, the fixed plate is perpendicular to the single-side plate, an extension portion is arranged on the fixed plate, and a rotating shaft is installed between the extension portion and the single-side plate;

[0015] A coupling is installed at the output end of the torque sensor, and the other end of the coupling is connected to the rotating shaft; a single-chip microcomputer and an A / D converter are installed on the back of the mounting seat, and the A / D converter is connected to the torque sensor and transmits signals to the single-chip microcomputer; the single-chip microcomputer includes a Bluetooth module, which is suitable for transmitting digital signals.

[0016] In a further technical solution, the metal detector also includes a position shell, which is installed on the outer wall of the cylindrical material port, and a power supply component, a processing panel and a buzzer are installed in the position shell, the power supply component is connected to the processing panel, and the buzzer is installed on the processing panel.

[0017] In a further technical solution, the track plug-in includes a base plate, the base plate is fixedly mounted on the frame of the conveyor belt, and slide rails are installed on both sides of the conveyor belt, and the two sets of slide rails are arranged in parallel and located between the base plate and the cylindrical material port;

[0018] A pneumatic cylinder is installed on the base plate, and the output end of the pneumatic cylinder faces the cylindrical material opening; the track plug-in includes an outer profile plate, and a plurality of transverse plug rods are arranged in the outer profile plate; a plug hole is arranged on the cylindrical material opening, and the transverse plug rod is suitable for being inserted into the plug hole;

[0019] A hinged bent plate is installed in the cylindrical material opening, and the top of the hinged bent plate is hinged to the cylindrical material opening.

[0020] In a further technical solution, the transverse insertion rod comprises a top head portion, a middle rod portion and a tail rod portion, the diameters of the top head portion and the tail rod portion are larger than the middle rod portion; an air bag is annularly mounted on the middle rod portion, the air bag is arranged around the outside of the middle rod portion, and one end of the air bag is fixedly connected to the top head portion;

[0021] The other end of the airbag is an air inlet end and is connected to the tail rod part. An air inlet channel and an exhaust channel are respectively opened in the outer profile plate. Both the air inlet channel and the exhaust channel are connected to the airbag through the tail rod part.

[0022] The air intake passage is externally connected to an air pipe and an air intake solenoid valve is installed on the frame;

[0023] The exhaust passage is connected to an air pipe and an exhaust solenoid valve is installed on the frame;

[0024] The exhaust solenoid valve and the intake solenoid valve are located on both sides of the frame;

[0025] A sliding block is installed at the bottom of the outer profile plate, and the sliding block is installed on a sliding rail; the sliding rail is an I-shaped rail.

[0026] In a further technical solution, the length of the outer profile plate is not less than the corresponding length of the cylindrical material opening;

[0027] The airbag bag comprises an end ring 1 and an end ring 2, wherein the end ring 1 is arranged at one side opposite to the tail rod part and is provided with a sealing sliding cylinder, and the tail rod part is provided with a stepped shaft head;

[0028] A sealing ring and a sealing ring are arranged on the tail rod part, wherein the sealing ring is installed on the stepped shaft head and slides on the outside of the stepped shaft head;

[0029] A hinged connecting rod is installed between the end ring 1 and the end ring 2, and the two ends of the hinged connecting rod are respectively hinged to the end ring 1 and the end ring 2, and the middle part of the hinged connecting rod is hinged and connected to the airbag bag.

[0030] In a further technical solution, a protective plate is installed on the outer side of the cylindrical material port, and an upper hinged seat is installed on the top of the protective plate; a transmission rod is rotatably installed on the upper hinged seat; a hinged lower seat is installed at the lower end of the transmission rod, and a slide groove is provided on the outer side of the single side plate, and the bottom of the hinged lower seat is slidably installed in the slide groove.

[0031] In a further technical solution, the protective plate is bent downward; a position plate is installed in the protective plate, and a control stroke switch is installed at one end of the position plate opposite to the cylindrical material port, and the control stroke switch includes a touch rod, and the touch rod corresponds to the on-off connection of the air intake solenoid valve;

[0032] An inclined rod is installed on the transmission rod, and a hinged abutment head is installed at the end of the inclined rod, and the hinged abutment head is suitable for movably abutting with a push rod controlling a travel switch;

[0033] The hinged abutment head comprises a column head, a short shaft is installed at the end of the column head, and an abutment rod is hingedly installed on the short shaft; one end of the abutment rod is set as a bending head, and is suitable for movably abutting with the touch rod;

[0034] A fixing ring is installed on both the column head and the abutment rod, and a return spring is installed between them. Rings are installed at both ends of the return spring and are installed on the fixing ring.

[0035] In a further technical solution, a limit shaft is installed on the protective plate, one end of the limit shaft extends to the top of the control travel switch and bends upward, and a limit column is provided at the bending portion, and the limit column is movably abutted against the abutment rod;

[0036] The other end of the limit shaft extends through the protective plate and is equipped with a driven sheave;

[0037] A steering motor is installed outside the protection plate, an active dial is installed at the output end of the steering motor, a lever is provided on the active dial, the lever is suitable for rotating to drive the driven groove wheel to rotate; the rotation of the driven groove wheel is suitable for driving the limit column to disengage from the abutment rod;

[0038] A rotating rod is installed in the position plate, the rotating rod is connected to the position plate through a bearing, and the rotating rod is connected to the protective plate through a bearing; a sub-dial is installed on the limit shaft, and a sub-groove wheel is installed on the rotating rod, and the sub-dial and the sub-groove wheel are both located on the side of the anti-slide plate facing away from the track plug-in; the sub-dial and the sub-groove wheel are connected with a movable gap.

[0039] A method for discharging a material by a tear-resistant discharging opening detection discharging mechanism, comprising the following: a metal detection member on a cylindrical material opening is in a normally open state, a torque sensor is mounted on a rotating shaft, and a rotation angle of the rotating shaft is synchronously detected;

[0040] Set the rotation angle of the single side plate:

[0041] No-pressure stage: the rotation angle is 0°, the track plug-in does not move, the material particles fall smoothly and are taken away with the conveyor belt;

[0042] Normal opening unloading, the rotation angle is (0,a°]; the unilateral plate rotates under pressure, the material particles fall smoothly, and the flow rate increases;

[0043] Blocking; the rotation angle is (a, b°]; the detection sensor group transmits an angle signal, which is processed externally to form an action signal to the air pipe of the pneumatic cylinder that opens the track plug-in, and the output end of the pneumatic cylinder pushes the outer contour plate; the bottom of the outer contour plate moves along the slide rail until the outer contour plate is limited by the cylindrical material opening; synchronously, the transverse insertion rod is inserted into the insertion hole to abut and open the hinged bent plate; the end of the transverse insertion rod is a pointed tip, and the length of the transverse insertion rod is less than the horizontal length of the cylindrical material opening; the rear pneumatic cylinder retreats to form a reciprocating pushing effect;

[0044] Metal foreign matter blocking the material; the buzzer alarms and the rotation angle is (b,m°];

[0045] The unilateral plate rotates, driving the transmission rod to rotate until the hinged abutment head of the inclined rod abuts against the touch rod of the control stroke switch, and the control stroke switch controls the air intake solenoid valve outside the air intake channel to open; the rear transmission rod still rotates with the unilateral plate, slides to the bottom hinged lower seat to the bottom limit of the slide slot, and the abutment rod passes through the limit column upward and is hung on the limit column; a clamping block is provided on the abutment rod, and the clamping block is suitable for limiting the reverse rotation of the abutment rod;

[0046] Synchronously, the air inlet solenoid valve opens, and the air pump enters the air inlet channel and the tail rod part, then enters the airbag bag and pushes the sealed slide tube toward the unilateral plate, and the hinged connecting rod bends to help the material flow out;

[0047] Multiple groups of horizontal rods open multiple groups of airbags in multiple steps to ensure synchronous extrusion effect, reduce the discharge area of ​​the cylindrical material mouth, and reduce the oblique insertion of metal foreign bodies into the conveyor belt;

[0048] The buzzer keeps alarming: stop the conveyor belt transmission and the silo unloading; then take out the metal foreign matter; the alarm is released, and the active dial of the cylinder rod is driven to rotate, which drives the driven groove wheel to rotate, and then drives the limit shaft to rotate, so that the limit column is separated from the abutment rod, and the unilateral plate returns to the state of rotating with the material unloading.

[0049] Compared with the prior art, the present invention has the following beneficial effects:

[0050] The present invention achieves the effect of preventing the metal rod from tearing the conveyor belt and preventing material blockage during material discharge by using an openable single side plate;

[0051] The present invention is provided with a torque sensor. For the torque sensor, a single side plate driven by a rotating shaft contacts and is squeezed by the material. The torque sensor can be used to measure the torque change on the shaft, thereby indirectly reflecting the pressure applied to the door panel.

[0052] The present invention uses a metal detector to detect whether there are metal particles or rods in the material. If metal particles or rods are present, a buzzer alarm will be sounded directly, and the transportation of the conveyor belt may even be further stopped to ensure the anti-tearing effect of the conveyor belt. The track plug-in is used to plug the material in the cylindrical material port when blocking the material, so as to abut against the vertically arranged metal particles or rods to drive the material to be squeezed, thereby forcing the metal particles or rods to change from vertical to inclined or horizontal, thereby reducing the probability of tearing the conveyor belt.

[0053] The present invention adopts an air bag method to realize the material flow by inflating and squeezing the material, and multiple groups of air bags reduce the risk of metal rods directly inserting into the conveyor belt.

[0054] In this embodiment, when the rotation angle of the single side plate reaches a certain value, the opening and closing action control of the pneumatic rod is realized. The steering motor needs to rotate to drive the active dial to rotate, and rotate four circles to drive the driven groove wheel to rotate one circle, thereby realizing the rotation of the limit shaft by one circle, and driving the limit shaft at the front end to return to its original state; synchronously drive the auxiliary dial to intermittently drive the auxiliary groove wheel to rotate, realize the rotation of the rotating rod, and drive the touch rod in the figure to be set downward, so as to avoid the touch rod blocking the hinged head from resetting with the single side plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0055] Figure 1 It is a schematic diagram of the three-dimensional structure of the anti-tear discharge opening detection mechanism of Example 1 of the present invention;

[0056] Figure 2 It is a front view cross-sectional structural schematic diagram of the tear-resistant discharge opening detection mechanism of the present invention;

[0057] Figure 3 for Figure 2 A magnified view of part A;

[0058] Figure 4 It is a top view schematic cross-sectional view of the cylindrical material outlet of the present invention with the hinged part at the top of the hinged bend as the axis;

[0059] Figure 5 for Figure 4 BB cross-section diagram;

[0060] Figure 6 It is a schematic diagram of the framework of the detection sensor group of the present invention;

[0061] Figure 7 It is a schematic diagram of a partial framework of a metal detection device of the present invention;

[0062] Figure 8 This is a schematic diagram of the structure of the transverse rod and the outer profile plate of Example 1 of the present invention;

[0063] Fig. 9 This is a schematic diagram of a transverse insertion rod inserted into a cylindrical material port;

[0064] Fig.10 This is a schematic diagram of the transverse insertion rod being initially inserted into the cylindrical material opening in Example 2 of the present invention;

[0065] Fig.11 It is a schematic diagram of the transverse insertion rod being inserted into the cylindrical material port and inflated in Example 2 of the present invention;

[0066] Fig.12 This is a schematic diagram of the structure of the transverse rod and the outer profile plate of Example 2 of the present invention;

[0067] Fig.13 It is a schematic diagram of the transverse insertion rod structure of the present invention;

[0068] Fig.14 A side sectional view of an outer profile plate of the present invention;

[0069] Fig.15 This is a schematic structural diagram of a transverse insertion rod according to Embodiment 3 of the present invention;

[0070] Fig.16 It is a structural cross-sectional view of a transverse insertion rod according to Embodiment 3 of the present invention;

[0071] Fig.17 It is a schematic diagram of the three-dimensional structure of the anti-tear discharge opening detection mechanism of Example 4 of the present invention;

[0072] Fig.18 It is a schematic cross-sectional structural diagram of the anti-tear discharge opening detection mechanism of Example 4 of the present invention;

[0073] Fig.19 for Fig.18 Enlarged view of part C;

[0074] Fig. 20 for Fig.18 A magnified view of the D portion;

[0075] Fig.21 It is a structural schematic diagram of a hinged abutment;

[0076] Fig. 22 It is a structural side view of the active dial and the driven sheave of the present invention;

[0077] Fig.23 It is a structural diagram of the limiting shaft of the present invention;

[0078] In the figure:

[0079] 1. Silo; 11. Cylindrical material port; 13. Extension; 14. Single chip microcomputer; 15. A / D converter; 16. Articulated bent plate; 17. Coupling;

[0080] 2. Frame; 21. Conveyor belt; 22. Slide rail;

[0081] 3. Single side plate; 31. Rotating shaft; 32. Slide groove;

[0082] 4. Metal detection part; 41. Ring housing; 42. Power supply assembly; 43. Ring electromagnetic coil; 44. Position housing; 45. Processing panel; 46. Buzzer;

[0083] 5. Detection sensor group; 51. Torque sensor; 52. Mounting seat;

[0084] 6. Pushing bracket; 61. Transverse insertion rod; 62. Pneumatic cylinder; 63. Outer profile plate; 64. Airbag bag; 65. Exhaust solenoid valve; 66. Intake solenoid valve; 67. Sealed sliding tube; 68. Articulated connecting rod; 69. Base plate;

[0085] 611, top part; 612, middle rod part; 613, tail rod part; 631, air inlet passage; 614, stepped shaft head; 632, exhaust passage; 641, end ring 1; 642, end ring 2; 671, sealing ring;

[0086] 7. Protective plate; 71. Upper hinged seat; 72. Transmission rod; 73. Hinge lower seat; 74. Position plate; 75. Control travel switch; 751. Touch rod; 76. Inclined rod; 77. Hinge abutment; 78. Limiting shaft; 79. Limiting column; 710. Block; 711. Rotating rod; 712. Sub-dial; 713. Sub-groove wheel;

[0087] 771, short shaft; 772, abutment rod; 773, fixing ring; 774, bending head; 775, return spring;

[0088] 8. Rotating motor; 9. Driving dial; 10. Driven groove wheel. DETAILED DESCRIPTION

[0089] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0090] Example 1

[0091] See also Figure 1-9 The present invention provides a technical solution, an anti-tear discharge opening detection and discharge mechanism, comprising a silo 1 and a frame 2, a conveyor belt 21 is installed on the frame 2, the silo 1 is installed on the top of the conveyor belt 21, and a cylindrical material opening 11 is installed at the bottom of the silo 1, and also includes:

[0092] The single side plate 3 is located at the side of the cylindrical material port 11 along the advancing direction of the leather conveyor belt 21; a rotating shaft 31 is installed on the top of the single side plate 3 and is rotatably connected to the cylindrical material port 11; Figure 1 and Figure 2 As shown, the effect of preventing material blockage during discharge is achieved by means of a single side plate that can be opened.

[0093] The metal detector 4 is located at the top of the single lateral plate 3; the metal detector 4 includes an annular shell 41 and a power supply assembly 42, the annular shell 41 is fixedly installed around the top outer side of the cylindrical material port 11, and an annular electromagnetic coil 43 is installed in the annular shell 41; the power supply assembly 42 is suitable for being electrically connected to the annular electromagnetic coil 43; the metal detector is used to detect whether there are metal particles or rods in the material. If metal particles or rods are present, a buzzer alarm will be sounded directly, and the transportation of the conveyor belt may even be further stopped to ensure the anti-tearing effect of the conveyor belt.

[0094] In order to ensure the normal operation of the metal detector, the material at the cylindrical material opening where the metal detector is installed is limited to non-metallic material, which can be suitable for the surrounding fixation of the annular shell and reduce the interference of metal materials. The detection principle of the metal detector is the same as the existing technology.

[0095] Or in a further embodiment, the silo and the cylindrical material port are separately provided, the metal detector 4 is installed under the silo 1, and the cylindrical material port 11 is installed under the metal detector 4; there is no metal interference within the detection range of the metal detector, so that the metal detector completes the detection and connection functions, achieving the detection technical effect of metal detection.

[0096] The detection sensor group 5 is installed on the single side plate 3; the detection sensor group 5 includes a torque sensor 51 and is coaxially installed on the rotating shaft 31; the detection sensor is used to detect the rotation angle of the rotating rod, and further a torque sensor is provided. For the torque sensor, the single side plate driven by the rotating shaft contacts and is squeezed by the material, and the torque sensor can be used to measure the torque change on the shaft, thereby indirectly reflecting the pressure on the door panel. The torque sensor usually has high accuracy and stability, and is suitable for occasions requiring long-term monitoring and precise control.

[0097] Track plug-in 6, the bottom of the track plug-in 6 is installed on the frame 2 of the conveyor belt 21, and a transverse plug-in rod 61 is installed at the output end, the transverse plug-in rod 61 is suitable for being inserted into the cylindrical material port 11, and the transverse plug-in rod 61 is located on the side of the cylindrical material port 11 facing away from the single lateral plate 3. The transverse plug-in rod 61 can also be changed to a vertical plate to achieve the effect of plugging and discharging. The track plug-in is used to plug the material in the cylindrical material port when blocking the material, so as to abut against the vertically arranged metal particles or rods to drive the material to be squeezed, thereby forcing the metal particles or rods to change from vertical to inclined or horizontal, so as to reduce the probability of tearing the conveyor belt;

[0098] The detection sensor group 5 further includes a mounting seat 52, which is detachably mounted on the single side plate 3;

[0099] The cylindrical material port 11 includes a fixed plate, which is perpendicular to the single-side plate 3. An extension portion 13 is provided on the fixed plate, and a rotating shaft 31 is installed between the extension portion 13 and the single-side plate.

[0100] A coupling 17 is installed at the output end of the torque sensor 51, and the other end of the coupling 17 is connected to the rotating shaft 31; a single-chip microcomputer 14 and an A / D converter 15 are installed on the back of the mounting seat 52, and the A / D converter 15 is connected to the torque sensor 51 and transmits signals to the single-chip microcomputer 14; the single-chip microcomputer 14 includes a Bluetooth module, which is suitable for transmitting digital signals. The rotation angle of the rotating shaft drives the torque sensor to rotate, and the voltage signal brought by the internal strain gauge is converted into a digital signal by the A / D converter to the single-chip microcomputer. The signal line or display module installed on the single-chip microcomputer records the angle and pressure to realize detection. The Bluetooth module can transmit signals over long distances, which is convenient for enterprises to monitor over long distances.

[0101] The metal detector 4 also includes a position shell 44, which is installed on the outer wall of the cylindrical material port 11, and a power supply component 42, a processing panel 45 and a buzzer 46 are installed in the position shell 44. The power supply component 42 is connected to the processing panel 45, and the buzzer 46 is installed on the processing panel 45. The processing panel may include a high-frequency oscillator, an oscillation detector, an audio oscillator and a power amplifier. The alternating current passes through the coil to generate a rapidly changing magnetic field. The magnetic field induces eddy currents inside the metal object, and the eddy currents generate magnetic fields, which in turn affect the original magnetic field and cause the detector to emit a sound. When working, the internal detector emits an electromagnetic wave of a certain frequency, and the metal object causes this frequency to shift. The detector then receives the deviated electromagnetic wave, amplifies the difference frequency and sends a signal alarm. The specific modules and processor circuits can refer to the prior art.

[0102] like Fig. 9 As shown, the track plug-in 6 includes a base plate 69, which is fixedly mounted on the frame 2 of the conveyor belt 21, and slide rails 22 are installed on both sides of the conveyor belt 21, and the two sets of slide rails 22 are arranged in parallel and are located between the base plate 69 and the cylindrical material port 11; a pneumatic cylinder 62 is installed on the base plate 69, and the output end of the pneumatic cylinder 62 faces the cylindrical material port 11; the track plug-in 6 includes an outer profile plate 63, and a plurality of transverse plug rods 61 are arranged in the outer profile plate 63; a plug-in hole is arranged on the cylindrical material port 11, and the transverse plug rod 61 is suitable for inserting into the plug-in hole; a hinged bent plate 16 is installed in the cylindrical material port 11, and the top of the hinged bent plate 16 is hinged to the cylindrical material port 11.

[0103] Example 2

[0104] like Figure 10-14As shown, it is another embodiment of the present invention. On the basis of Example 1, the transverse insertion rod 61 is distributed to include a top head 611, a middle rod 612 and a tail rod 613. The diameters of the top head 611 and the tail rod 613 are larger than the middle rod 612. An air bag 64 is annularly installed on the middle rod 612. The air bag 64 is arranged around the outside of the middle rod 612, and one end is fixedly connected to the top head 611. The air bag is used to realize the flow of materials by inflating and squeezing the materials, and multiple groups of air bags reduce the risk of metal rods directly inserting into the conveyor belt. Multiple groups of air bags are not limited to Fig.12 The three groups shown are set according to the actual installation requirements on site; the airbags play the role of dredging materials and preventing insertion. They work by frequent inflation and deflation during use.

[0105] The other end of the airbag 64 is an air inlet end and is connected to the tail rod 613. An air inlet passage 631 and an air exhaust passage 632 are respectively provided in the outer profile plate 63. Both the air inlet passage 631 and the air exhaust passage 632 are connected to the airbag 64 through the tail rod 613. When inflating, the exhaust solenoid valve is closed and the air inlet solenoid valve is opened; when deflated, the air inlet solenoid valve is closed and the exhaust solenoid valve is opened.

[0106] Combination Fig.10 and Fig.11 The air inlet channel 631 is connected to the air pipe and an air inlet solenoid valve 66 is installed on the frame 2; the air outlet channel 632 is connected to the air pipe and an exhaust solenoid valve 65 is installed on the frame 2; the exhaust solenoid valve 65 and the air inlet solenoid valve 66 are located on both sides of the frame 2; a slider is installed at the bottom of the outer profile plate 63, and the slider is installed on the slide rail 22; Fig.12 , the slide rail 22 is an I-shaped one, and the slider is as Fig.14 As shown, the bottom is installed on the slide rail in the form of a clamp, limiting it to slide out only from the end; the end is limited by the base plate to limit the slider from leaving the slide rail; the other side is limited by the outer contour plate at the cylindrical material opening to form a limit, so the length of the outer contour plate 63 is not less than the corresponding length of the cylindrical material opening 11.

[0107] Example 3

[0108] like Fig.15 and 16 As shown, it is another embodiment of the present invention, based on Example 2; the airbag bag 64 includes an end ring 1 641 and an end ring 2 642, the end ring 1 641 is arranged on one side opposite to the tail rod portion 613, and is installed with a sealing slide tube 67, and the tail rod portion 613 is provided with a stepped shaft head 614;

[0109] A sealing ring 671 and a sealing ring are provided on the tail rod portion 613. The sealing ring 671 is installed on the stepped shaft head 614 and slides outside the stepped shaft head 614.

[0110] A hinged connecting rod 68 is installed between the end ring 1 641 and the end ring 2 642. The two ends of the hinged connecting rod 68 are hinged to the end ring 1 641 and the end ring 2 642 respectively. The middle part of the hinged connecting rod 68 is hinged and connected to the airbag bag 64. In this embodiment, when inflating, the sealing slide tube will be squeezed. During squeezing, the hinged connecting rod will form a sliding and bending effect along the middle rod part, thereby squeezing the material. Furthermore, by installing a limit ring on the stepped shaft head, the effect of the limit sealing ring is achieved, and the effect of preventing the sealing slide tube from detaching from the stepped shaft head is also ensured. When deflated, the air intake solenoid valve is closed and the exhaust solenoid valve is opened; the extrusion of the material will press the hinged connecting rod down to the horizontal, but with the inflation, the end ring 1 and the end ring 2 will be driven close to each other, realizing the bending of the hinged connecting rod.

[0111] Example 4

[0112] like Figure 17-23 As shown, it is another implementation scheme of the present invention. On the basis of Example 3, a protective plate 7 is installed on the outer side of the cylindrical material port 11, and an upper hinged seat 71 is installed on the top of the protective plate 7; a transmission rod 72 is rotatably installed on the upper hinged seat 71; a hinged lower seat 73 is installed at the lower end of the transmission rod 72, and a slide groove 32 is provided on the outer side of the single side plate 3, and the bottom of the hinged lower seat 73 is slidably installed in the slide groove 32.

[0113] The protective plate 7 is bent downward; a position plate 74 is installed in the protective plate 7, and a control stroke switch 75 is installed at one end of the position plate 74 opposite to the cylindrical material port 11, and the control stroke switch 75 includes a touch rod 751, and the touch rod 751 corresponds to the on-off connection of the air intake solenoid valve 66;

[0114] An inclined rod 76 is mounted on the transmission rod 72, and a hinged abutment 77 is mounted on the end of the inclined rod 76. The hinged abutment 77 is suitable for movably abutting against a push rod controlling a travel switch 75.

[0115] The hinged abutment head 77 includes a column head, a short shaft 771 is installed at the end of the column head, and an abutment rod 772 is hingedly installed on the short shaft 771; one end of the abutment rod 772 is set as a bending head 774, and is suitable for movably abutting against the touch rod 751;

[0116] A fixing ring 773 is installed on both the column head and the abutment rod 772, and a return spring 775 is installed between them. Rings are installed at both ends of the return spring 775 and are installed on the fixing ring 773.

[0117] A limit shaft 78 is installed on the protective plate 7. One end of the limit shaft 78 extends to the top of the control travel switch 75 and bends upward, and a limit column 79 is provided at the bending part. The limit column 79 is movably abutted with the abutment rod 772. The other end of the limit shaft 78 extends through the protective plate 7 and is provided with a driven sheave 10. A steering motor 8 is installed outside the protective plate 7. An active dial 9 is installed at the output end of the steering motor 8. A lever is provided on the active dial 9. The lever is suitable for rotating to drive the driven sheave 10 to rotate. The rotation of the driven sheave 10 is suitable for driving the limit column 79 to disengage from the abutment rod 772. The limit shaft is as shown in FIG. Fig.23 As shown, the end is a fork plate, and the limiting column in the middle is used to achieve the limiting effect.

[0118] In this embodiment, when the rotation angle of the single side plate reaches a certain value, the opening and closing action control of the pneumatic rod is realized. The steering motor 8 needs to rotate to drive the active dial 9 to rotate. The driven groove wheel 10 rotates 1 circle after four circles, thereby realizing the rotation of the limit shaft 78 by one circle, and driving the limit shaft at the front end to return to its original state. After completion, Fig. 20 , synchronously driving the sub-dial to intermittently drive the sub-groove wheel to rotate, realizing the rotation of the rotating rod, driving the touch rod 751 in the figure to be set downward, so as to avoid the touch rod blocking the hinged head from resetting with the single side plate. A rotating rod 711 is installed in the position plate 74, and the rotating rod 711 is connected to the position plate through a bearing, and the rotating rod 711 is connected to the protective plate 7 through a bearing; a sub-dial 712 is installed on the limit shaft, and a sub-groove wheel 713 is installed on the rotating rod 711, and the sub-dial 712 and the sub-groove wheel 713 are both located on the side of the anti-slide plate 7 facing away from the track plug-in 6; the sub-dial 712 and the sub-groove wheel 713 are connected with a movable gap.

[0119] A method for discharging a material by a tear-proof discharging opening detection discharging mechanism, comprising the following: the metal detection member 4 on the cylindrical material opening 11 is in a normally open state, a torque sensor 51 is mounted on the rotating shaft 31, and the rotation angle of the rotating shaft 31 is synchronously detected;

[0120] Set the rotation angle of the single side plate 3:

[0121] 1. No-pressure stage: the rotation angle is 0°, the track plug-in 6 does not move, the material particles fall smoothly and are taken away by the conveyor belt 21;

[0122] 2. Normal opening unloading, the rotation angle is (0,a°]; the unilateral plate 3 rotates under pressure, the material particles fall smoothly, and the flow rate increases;

[0123] 3. Blocking; the rotation angle is (a, b°]; the detection sensor group 5 transmits an angle signal, which is processed externally to form an action signal to open the air pipe of the pneumatic cylinder 62 of the track plug-in 6, and the output end of the pneumatic cylinder 62 pushes the outer profile plate 63; the bottom of the outer profile plate 63 moves along the slide rail 22 until the outer profile plate 63 is limited by the cylindrical material opening 11; synchronously, the transverse insertion rod 61 is inserted into the insertion hole, abutting against the open hinged bent plate 16; the end of the transverse insertion rod 61 is a pointed end, and the length of the transverse insertion rod 61 is less than the horizontal length of the cylindrical material opening 11; the rear pneumatic cylinder 62 retreats to form a reciprocating pushing effect;

[0124] 4. Metal foreign matter blocking the material; the buzzer 46 alarms, and the rotation angle is (b, m°];

[0125] The unilateral plate 3 rotates, driving the transmission rod 72 to rotate until the hinged abutment head 77 of the inclined rod 76 abuts against the touch rod 751 of the control travel switch 75, and the control travel switch 75 controls the air intake solenoid valve 66 outside the air intake channel 631 to open; the rear transmission rod 72 still rotates with the unilateral plate 3, and the hinged lower seat 73 at the bottom slides to the bottom end limit of the slide groove 32, and the abutment rod 772 passes through the limit column 79 upwards and is hung on the limit column 79; a block 710 is provided on the abutment rod 772, and the block 710 is suitable for limiting the reverse rotation of the abutment rod 772;

[0126] At the same time, the air inlet solenoid valve 66 is opened, and the air pump enters the air inlet channel 631 and the tail rod part 613, and then enters the airbag bag 64 and pushes the sealing slide tube 67 to push the single side plate 3, and the hinged connecting rod 68 is bent to help the material flow out;

[0127] Multiple groups of transverse insertion rods 61 open multiple groups of airbags 64 in multiple steps to ensure synchronous extrusion effect, reduce the discharge area of ​​the cylindrical material port 11, and reduce the oblique insertion of metal foreign bodies into the conveyor belt 21;

[0128] The buzzer 46 continues to alarm: the transmission of the conveyor belt 21 and the unloading of the silo 1 are suspended; then the metal foreign matter is taken out; the alarm is released, the cylinder rod 8 is driven to drive the active dial 9 to rotate, the active dial 9 drives the driven groove wheel 10 to rotate, and then drives the limit shaft 78 to rotate, so that the limit column 79 is separated from the abutment rod 772, and the unilateral plate 3 returns to the state of rotating with the material unloading.

[0129] Among them, nodes a, b, and m need to be analyzed based on the specific equipment. First, the size of the cylindrical material opening is not unique, and blockage may not easily occur for different materials. In addition, the distance between the cylindrical material opening and the conveyor belt may not be unique in each enterprise.

Claims

1. A tear-resistant discharge opening detection and discharge mechanism, comprising a silo (1) and a frame (2), a conveyor belt (21) being mounted on the frame (2), the silo (1) being mounted on the top of the conveyor belt (21), and a cylindrical material opening (11) being mounted at the bottom of the silo (1), characterized in that: Also includes: A single lateral plate (3), the single lateral plate (3) is located on the cylindrical material opening (11) and along the side of the advancing direction of the leather conveyor belt (21); a rotating shaft (31) is installed on the top of the single lateral plate (3) and is rotatably connected to the cylindrical material opening (11); A metal detector (4), the metal detector (4) is located at the top of the cylindrical material opening (11); the metal detector (4) comprises an annular shell (41), the annular shell (41) is fixedly mounted around the outer side of the top of the cylindrical material opening (11), and an annular electromagnetic coil (43) is mounted in the annular shell (41); A detection sensor group (5), the detection sensor group (5) is mounted on the single side plate (3); the detection sensor group (5) includes a torque sensor (51) and is coaxially mounted on the rotating shaft (31); A track plug-in (6), the bottom of which is mounted on the frame (2) of the conveyor belt (21), and a transverse insertion rod (61) is mounted on the output end, the transverse insertion rod (61) is suitable for being inserted into the cylindrical material opening (11), and the transverse insertion rod (61) is located on the side of the cylindrical material opening (11) facing away from the single side plate (3).

2. The tear-resistant discharge opening detection and discharge mechanism according to claim 1, characterized in that: The detection sensor group (5) further comprises a mounting seat (52), wherein the mounting seat (52) is detachably mounted on the single side plate (3); The cylindrical material port (11) comprises a fixed plate, the fixed plate is perpendicular to the single-side plate (3), an extension portion (13) is arranged on the fixed plate, and a rotating shaft (31) is installed between the extension portion (13) and the single-side plate; A coupling (17) is installed at the output end of the torque sensor (51), and the other end of the coupling (17) is connected to the rotating shaft (31); a single-chip microcomputer (14) and an A / D converter (15) are installed on the back of the mounting seat (52), and the A / D converter (15) is connected to the torque sensor (51) and transmits signals to the single-chip microcomputer (14); the single-chip microcomputer (14) includes a Bluetooth module, which is suitable for transmitting digital signals.

3. The tear-resistant discharge opening detection and discharge mechanism according to claim 1, characterized in that: The metal detector (4) further comprises a position shell (44), wherein the position shell (44) is mounted on the outer wall of the cylindrical material port (11), and a power supply assembly (42), a processing panel (45) and a buzzer (46) are mounted in the position shell (44), wherein the power supply assembly (42) is connected to the processing panel (45), and the buzzer (46) is mounted on the processing panel (45); the power supply assembly (42) is suitable for being electrically connected to the annular electromagnetic coil (43).

4. The tear-resistant discharge opening detection and discharge mechanism according to claim 1, characterized in that: The track plug-in unit (6) comprises a base plate (69), the base plate (69) is fixedly mounted on the frame (2) of the conveyor belt (21), and slide rails (22) are mounted on both sides of the conveyor belt (21), and two sets of slide rails (22) are arranged in parallel and are located between the base plate (69) and the cylindrical material port (11); A pneumatic cylinder (62) is mounted on the base plate (69), and the output end of the pneumatic cylinder (62) faces the cylindrical material opening (11); the track plug-in unit (6) comprises an outer profile plate (63), and a plurality of transverse insertion rods (61) are arranged inside the outer profile plate (63); a plug-in hole is arranged on the cylindrical material opening (11), and the transverse insertion rods (61) are suitable for being inserted into the plug-in hole; A hinged bent plate (16) is installed in the cylindrical material opening (11), and the top of the hinged bent plate (16) is hinged to the cylindrical material opening (11).

5. The tear-resistant discharge opening detection and discharge mechanism according to claim 4, characterized in that: The transverse insertion rod (61) comprises a top head portion (611), a middle rod portion (612) and a tail rod portion (613), wherein the diameters of the top head portion (611) and the tail rod portion (613) are both larger than the middle rod portion (612); an air bag (64) is annularly mounted on the middle rod portion (612), the air bag (64) is disposed around the outside of the middle rod portion (612), and one end of the air bag (64) is fixedly connected to the top head portion (611); The other end of the airbag bag (64) is an air inlet end and is connected to the tail rod portion (613). An air inlet channel (631) and an air exhaust channel (632) are respectively provided in the outer profile plate (63). Both the air inlet channel (631) and the air exhaust channel (632) are connected to the airbag bag (64) through the tail rod portion (613). The air intake passage (631) is externally connected to an air pipe and an air intake solenoid valve (66) is installed on the frame (2); The exhaust passage (632) is externally connected to an air pipe and an exhaust solenoid valve (65) is installed on the frame (2); The exhaust solenoid valve (65) and the intake solenoid valve (66) are located on both sides of the frame (2); A sliding block is installed at the bottom of the outer profile plate (63), and the sliding block is installed on a sliding rail (22); the sliding rail (22) is I-shaped.

6. The tear-resistant discharge opening detection and discharge mechanism according to claim 5, characterized in that: The length of the outer profile plate (63) is not less than the corresponding length of the cylindrical material opening (11); The airbag bag (64) includes an end ring 1 (641) and an end ring 2 (642). The end ring 1 (641) is arranged on a side opposite to the tail rod portion (613) and is provided with a sealing slide tube (67). The tail rod portion (613) is provided with a stepped shaft head (614). A sealing ring (671) and a sealing ring are provided on the tail rod portion (613); the sealing ring (671) is installed on the stepped shaft head (614) and slides outside the stepped shaft head (614); A hinged connecting rod (68) is installed between the end ring 1 (641) and the end ring 2 (642), and the two ends of the hinged connecting rod (68) are respectively hinged to the end ring 1 (641) and the end ring 2 (642), and the middle part of the hinged connecting rod (68) is hinged and connected to the airbag bag (64).

7. The tear-resistant discharge opening detection and discharge mechanism according to claim 6, characterized in that: A protective plate (7) is installed on the outer side of the cylindrical material opening (11), and an upper hinged seat (71) is installed on the top of the protective plate (7); a transmission rod (72) is rotatably installed on the upper hinged seat (71); a hinged lower seat (73) is installed at the lower end of the transmission rod (72), and a slide groove (32) is provided on the outer side of the single side plate (3), and the bottom of the hinged lower seat (73) is slidably installed in the slide groove (32).

8. The tear-resistant discharge opening detection and discharge mechanism according to claim 6, characterized in that: The protective plate (7) is bent downward; a position plate (74) is installed in the protective plate (7), and a control stroke switch (75) is installed at one end of the position plate (74) opposite to the cylindrical material port (11), and the control stroke switch (75) includes a touch rod (751), and the touch rod (751) is connected to the on-off of the intake solenoid valve (66) in correspondence; An inclined rod (76) is mounted on the transmission rod (72), and a hinged abutment (77) is mounted on the end of the inclined rod (76), and the hinged abutment (77) is suitable for movably abutting against a push rod that controls a travel switch (75); The hinged abutment head (77) comprises a column head, a short shaft (771) is installed at the end of the column head, and an abutment rod (772) is hingedly installed on the short shaft (771); one end of the abutment rod (772) is arranged as a bending head (774) and is suitable for movably abutting against the contact rod (751); A fixing ring (773) is installed on both the column head and the abutting rod (772), and a return spring (775) is installed between them. Both ends of the return spring (775) are installed with collars and are installed on the fixing ring (773).

9. The tear-resistant discharge opening detection and discharging mechanism according to claim 6, characterized in that: A limit shaft (78) is installed on the protection plate (7), one end of the limit shaft (78) extends to the top of the control travel switch (75) and is bent upward, and a limit column (79) is provided at the bent portion, and the limit column (79) is movably abutted against the abutment rod (772); The other end of the limiting shaft (78) extends through the protective plate (7) and is mounted with a driven sheave (10); A steering motor (8) is installed outside the protection plate (7), an active dial (9) is installed at the output end of the steering motor (8), a lever is provided on the active dial (9), and the lever is suitable for rotating to drive the driven groove wheel (10) to rotate; the rotation of the driven groove wheel (10) is suitable for driving the limit column (79) to disengage from the abutment rod (772); A rotating rod (711) is installed in the position plate (74), the rotating rod (711) is connected to the position plate via a bearing, and the rotating rod (711) is connected to the protective plate (7) via a bearing; a sub-dial (712) is installed on the limit shaft, and a sub-groove wheel (713) is installed on the rotating rod (711), and the sub-dial (712) and the sub-groove wheel (713) are both located on a side of the anti-slide plate (7) facing away from the track plug-in unit (6); the sub-dial (712) and the sub-groove wheel (713) are connected with a movable gap.

10. A method for discharging a tear-resistant discharging opening detection discharging mechanism, characterized in that: The method comprises the following steps: a metal detection member (4) on a cylindrical material port (11) is in a normally open state, a torque sensor (51) is installed on a rotating shaft (31), and the rotation angle of the rotating shaft (31) is synchronously detected; Set the rotation angle of the single side plate (3): (1) No-pressure stage: the rotation angle is 0°, the track plug-in (6) does not move, the material particles fall smoothly and are taken away by the conveyor belt (21); (2) Normal opening unloading, the rotation angle is (0, a°]; the single side plate (3) rotates under pressure, the material particles fall smoothly, and the flow rate increases; (3) blocking material; the rotation angle is (a, b°]; the detection sensor group (5) transmits an angle signal, which is processed externally to form an action signal, and reaches the air pipe of the pneumatic cylinder (62) that opens the track plug-in (6), and the output end of the pneumatic cylinder (62) pushes the outer profile plate (63); the bottom of the outer profile plate (63) moves along the slide rail (22) until the outer profile plate (63) is limited by the cylindrical material opening (11); synchronously, the transverse insertion rod (61) is inserted into the insertion hole, abutting against the open hinged bent plate (16); the end of the transverse insertion rod (61) is a pointed tip, and the length of the transverse insertion rod (61) is less than the horizontal length of the cylindrical material opening (11); the rear pneumatic cylinder (62) retreats to form a reciprocating material pushing effect; (4) Metal foreign matter blocking the material; the buzzer (46) alarms, and the rotation angle is (b, m°]; The unilateral plate (3) rotates, driving the transmission rod (72) to rotate until the hinged abutment head (77) of the inclined rod (76) abuts against the touch rod (751) of the control travel switch (75), and the control travel switch (75) controls the air intake solenoid valve (66) outside the air intake channel (631) to open; the rear transmission rod (72) still rotates with the unilateral plate (3), slides to the bottom hinged lower seat (73) to the bottom limit of the slide groove (32), and the abutment rod (772) passes through the limit column (79) upward and is hung on the limit column (79); a clamping block (710) is provided on the abutment rod (772), and the clamping block (710) is suitable for limiting the reverse rotation of the abutment rod (772); Synchronously, the air inlet solenoid valve (66) is opened, and the air is pumped into the air inlet channel (631), the tail rod portion (613), and then enters the airbag bag (64) and pushes the sealing slide tube (67) toward the unilateral plate (3), and the hinged connecting rod (68) is bent to help the material flow out; Multiple groups of transverse insertion rods (61) open multiple groups of airbags (64) in multiple steps to ensure synchronous extrusion effect, reduce the discharge area of ​​the cylindrical material opening (11), and reduce the oblique insertion of metal foreign bodies into the conveyor belt (21); The buzzer (46) continuously alarms: the transmission of the conveyor belt (21) and the unloading of the silo (1) are suspended; the metal foreign matter is then removed; the alarm is released, the steering motor (8) is driven to output rotation to drive the active dial (9) to rotate, the active dial (9) drives the driven groove wheel (10) to rotate, and then drives the limit shaft (78) to rotate, so that the limit column (79) is separated from the abutment rod (772), and the single side plate (3) returns to the state of rotating with the material unloading.

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