CN111717682B - Feeding device capable of quickly adjusting feeding amount by using stepless speed change mechanism - Google Patents
Feeding device capable of quickly adjusting feeding amount by using stepless speed change mechanism Download PDFInfo
- Publication number
- CN111717682B CN111717682B CN202010612072.7A CN202010612072A CN111717682B CN 111717682 B CN111717682 B CN 111717682B CN 202010612072 A CN202010612072 A CN 202010612072A CN 111717682 B CN111717682 B CN 111717682B
- Authority
- CN
- China
- Prior art keywords
- hopper
- rod
- speed change
- stepless speed
- feeding device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/34—Emptying devices
- B65G65/40—Devices for emptying otherwise than from the top
- B65G65/42—Devices for emptying otherwise than from the top using belt or chain conveyors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The invention relates to a feeding device for quickly adjusting feeding amount by utilizing a stepless speed change mechanism, wherein a balance bracket is rotatably connected with a fixed bracket through a support shaft, a discharge hole at the bottom of a hopper is arranged above the feeding device, and the balance bracket is used for rotating around the support shaft under the driving of the mass difference of a balance weight mechanism and the feeding device; a slidable hopper door covers the bottom discharge port of the hopper, the hopper door opening and closing mechanism is used for driving the hopper door to slide in a reciprocating manner relative to the bottom discharge port of the hopper to complete opening or closing of the bottom discharge port of the hopper, the balance support rotates around the supporting shaft for determining the reciprocating motion speed of the hopper door, and the reciprocating motion speed of the hopper door is used for determining the quality of the material output by the hopper through the bottom discharge port in unit time; the counterweight mechanism comprises a counterweight block with adjustable distance from the supporting shaft. The device can realize self-feedback through the lever principle, and can adjust the size of constant feeding amount in a set range through the automatic control feeding speed of the stepless speed change mechanism.
Description
Technical Field
The invention relates to the technical field of feeding mechanisms, in particular to a feeding device for quickly adjusting the feeding amount by using a stepless speed change mechanism.
Background
In the process of industrial automatic production, feeding is a very important link. The feeding device capable of automatically adjusting the feeding amount can automatically adjust the feeding rate, realize constant feeding, and has wide application in the conveying and packaging of products such as cement, mineral products, crops and the like. The prior feeding device capable of adjusting the feeding amount is mainly divided into two types, one type is that quantitative conveying is realized by using an automatic weighing and batching system, and the feeding device is mainly applied to occasions with higher precision of goods conveying; the other type is a device for realizing constant feeding by utilizing a self-balancing mechanism, which is mainly applied to occasions with not particularly high precision and has the defects that the time for adjusting variable feeding into constant feeding is long, the adjusting efficiency is low, and the quality of conveyed goods in the adjusting time range cannot be ensured. There is therefore a need for a constant feed mechanism that automatically provides control feedback.
Disclosure of Invention
The invention aims to solve the technical problem of providing a feeding device for quickly adjusting the feeding amount by using a stepless speed change mechanism, which can realize self-feedback through a lever principle, automatically control the feeding speed through the stepless speed change mechanism according to the feeding speed feedback, and simultaneously control the constant feeding amount through adjustment in a set range.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides an utilize material feeding unit of infinitely variable speed mechanism rapid adjustment pay-off volume which characterized in that: the material feeding device comprises a hopper, a balance support, a feeding device and a balance weight mechanism, wherein the balance support is rotatably connected with a fixed support through a support shaft, the feeding device and the balance weight mechanism are respectively arranged at two ends of the balance support, a discharge hole at the bottom of the hopper is arranged above the feeding device, materials in the hopper fall into the feeding device through the discharge hole, and the balance support is used for rotating around the support shaft under the driving of the mass difference of the balance weight mechanism and the feeding device;
the hopper is characterized in that a slidable hopper door covers the bottom discharge port of the hopper, one end of the balance bracket, which is provided with a counterweight mechanism, is in transmission connection with a hopper door opening and closing mechanism, the hopper door opening and closing mechanism is used for driving the hopper door to slide in a reciprocating manner relative to the bottom discharge port of the hopper to complete the opening or closing of the bottom discharge port of the hopper, the rotation angle of the balance bracket around a support shaft is used for determining the speed of the hopper door opening and closing mechanism for controlling the reciprocating motion of the hopper door, and the reciprocating motion speed of the hopper door is used for determining the quality of the material output by the hopper through the bottom discharge port in;
the counterweight mechanism comprises a counterweight block, and the distance between the counterweight block and the supporting shaft is adjustable.
Feeding device include the conveyer belt skeleton, the top of conveyer belt skeleton keep away from counter weight mechanism one end with balanced support and pass through pivot rotatable coupling, the bottom of conveyer belt skeleton be provided with rotatable preceding roller and back roller, preceding roller and the mutual parallel arrangement of back roller, preceding roller and back roller between realize the transmission through the conveyer belt that covers outward, the center pin of preceding roller be connected with driving motor's output shaft transmission, the bottom discharge gate setting of hopper in conveyer belt top.
The bottom discharge gate setting of hopper be close to preceding roller one end top at the conveyer belt, the conveyer belt both sides and the tip that are close to preceding roller one end all be provided with the striker plate, the striker plate setting in conveyer belt outside edge, the vertical setting of striker plate.
The balance support is provided with a transverse steering wheel which is vertically arranged below one end of the counterweight mechanism, the edge of the end surface of one side of the transverse steering wheel is rotatably connected with one end of a first connecting rod, the other end of the first connecting rod is rotatably connected with one end of the counterweight mechanism arranged on the balance support, the edge of the end surface of one side of the transverse steering wheel is also rotatably connected with one end of a second connecting rod, the other end of the second connecting rod is rotatably connected with one end of a transverse pushing rod which is horizontally arranged, the other end of the transverse pushing rod is in transmission connection with a control rod of the stepless speed change device, and the output shaft rotating speed of the stepless speed change device is used for controlling the opening and closing mechanism of the hopper door to;
when one end of the balance support provided with the counterweight mechanism moves downwards around the supporting shaft, the transverse pushing rod controls the output shaft of the stepless speed change device to increase the rotating speed, and when one end of the balance support provided with the counterweight mechanism moves upwards around the supporting shaft, the transverse pushing rod controls the output shaft of the stepless speed change device to decrease the rotating speed.
Stepless speed change device include the mutual parallel first stepless speed change jade axle and the second stepless speed change jade axle of center pin, first stepless speed change jade axle and second stepless speed change jade axle are toper tubular structure and set up relatively, first stepless speed change jade axle and second stepless speed change jade axle between through the stepless conveyor transmission that covers outward, control lever and the concentric fixed setting of first stepless speed change jade axle, the control lever be used for driving first stepless speed change jade axle along axial reciprocating motion, stepless speed change device's output shaft and the coaxial fixed connection of first stepless speed change jade axle, the center pin of second stepless speed change jade axle be connected with the output shaft transmission of motor.
The end part of the control rod is connected with the end part of the transverse pushing rod through a thrust bearing, the control rod and the transverse pushing rod are coaxially arranged, the transverse pushing rod is used for driving the control rod to move along the axial direction, and the control rod and the transverse pushing rod can rotate relatively.
The output shaft of the stepless speed change device is connected with an eccentric rod, the eccentric rod is rotatably connected with one end of a transmission rod, the transmission rod is perpendicular to the eccentric rod, the other end of the transmission rod is rotatably connected with one end of a rotating shaft, the rotating shaft is rotatably connected with one end of an amplitude push-pull rod, and the other end of the amplitude push-pull rod is fixedly connected with one side edge of a hopper door;
when the eccentric rod rotates, the transmission rod can be driven to reciprocate in the horizontal direction, the rotating shaft is perpendicular to the transmission rod, and the reciprocating direction of the hopper door is parallel to the plane where the transmission rod is located.
The counterweight mechanism further comprises a locking bolt, the locking bolt is vertically installed at the bottom of the counterweight block, the locking bolt penetrates through a position adjusting sliding groove, the position adjusting sliding groove is formed in the end portion of the balance support, the extending direction of the position adjusting sliding groove is parallel to the length direction of the balance support, the locking bolt is used for sliding in the position adjusting sliding groove at will, and the locking bolt is used for fixing the counterweight block at a set position.
The counterweight block is of a box-shaped structure, and a counterweight device with known mass is fixedly placed in the box-shaped structure.
The feeding device capable of rapidly adjusting the feeding amount by utilizing the stepless speed change mechanism has the beneficial effects that:
first, utilize the lever principle of balanced support to realize the real-time feedback of relation between pay-off volume and the predetermined constant, when material output quantity in the hopper unit interval is more or less, all can lead to balanced support to rotate and then lead to the displacement of counter weight end, and the displacement volume and the displacement direction of counter weight end act on subsequent hopper door frequency control mechanism that opens and shuts as the feedback result this moment.
Secondly, through horizontal steering wheel, first connecting rod and second connecting rod, can convert the displacement at the vertical direction of counter weight end into the displacement at the horizontal direction, provide the power source for subsequent infinitely variable transmission gear's adjustment, the size of further horizontal catch bar horizontal direction's displacement volume can accurate adjustment infinitely variable transmission gear.
And thirdly, the rotating speed of the eccentric rod can be controlled by the output rotating speed of the stepless speed change device, the rotating speed of the eccentric rod can synchronously drive the opening and closing frequency of the hopper door, and the opening and closing mechanism of the hopper door can change the transmission direction as required. Furthermore, the transmission rod is sleeved on the eccentric rod, and the transmission rod can slide along the axis direction of the eccentric rod when the first stepless speed change rolling axis moves. Eliminate first stepless rolling axle when along axial displacement under the drive of horizontal catch bar, drive the deformation that the displacement of eccentric lever leads to.
Fourthly, the quality of the output materials in unit time is controlled by changing the opening and closing frequency of the hopper door and adjusting the opening and closing frequency of the hopper door.
Fifthly, the position and the quality of the balancing weight at one end of the balancing bracket can adjust the feeding quality of constant feeding.
Sixthly, the feeding device converts the unbalanced state of the balance support into the change of the frequency of the amplitude push-pull rod of the feeding device by using the stepless speed change device, so that the adjustment speed ratio of the feeding amount is changed. When the feeding amount is more or less, the constant feeding can be adjusted in a short time, the automatic feeding device has the characteristics of high efficiency, stable change process and the like, and the precision of conveying goods can be ensured.
Drawings
Fig. 1 is a schematic structural diagram of a feeding device for rapidly adjusting feeding amount by using a continuously variable transmission mechanism according to the present invention.
Fig. 2 is a schematic structural diagram of a stepless speed change device in the feeding device for rapidly adjusting the feeding amount by using the stepless speed change mechanism according to the present invention.
Fig. 3 is a schematic view of a connection structure of a stepless speed change device and a balance bracket in the feeding device for rapidly adjusting the feeding amount by using the stepless speed change mechanism.
Fig. 4 is a schematic structural diagram of a counterweight mechanism in the feeding device for rapidly adjusting the feeding amount by using the stepless speed change mechanism according to the present invention.
Fig. 5 is a partial enlarged view of a counterweight mechanism in the feeding device for rapidly adjusting the feeding amount by using the continuously variable transmission mechanism according to the present invention.
Fig. 6 is a schematic structural view of a hopper door opening and closing mechanism in the feeding device for rapidly adjusting the feeding amount by using the continuously variable transmission mechanism according to the present invention.
FIG. 7 is a schematic view of a connection structure of a transmission rod and an eccentric rod in a feeding device for rapidly adjusting the feeding amount by using a stepless speed change mechanism according to the present invention.
FIG. 8 is a schematic view of a connection structure of a first stepless speed change roller in the feeding device for rapidly adjusting feeding amount by using the stepless speed change mechanism of the present invention
FIG. 9 is a schematic view of the mounting position of a thrust stopping bearing of a feeding device for rapidly adjusting the feeding amount by using a continuously variable transmission mechanism according to the present invention
Description of the drawings: 1. hopper, 2, balance support, 21, support shaft, 22, support bearing, 23, fixed bolster, 3, material feeding unit, 31, front roll shaft, 32, conveyer belt, 33, back roll shaft, 34, conveyer belt skeleton, 35, rotating shaft, 36, striker plate, 4, stepless speed change device, 411, first connecting rod, 412, second connecting rod, 413, transverse push rod, 414, transverse steering disc, 415, base, 416, thrust bearing, 421, first stepless speed change roll shaft, 422, second stepless speed change roll shaft, 423, stepless conveyer belt, 424, motor, 5, hopper door opening and closing mechanism, 51, amplitude push rod, 52, rotating shaft, 53, transmission rod, 54, eccentric rod, 55, hopper door, 6, counterweight mechanism, 61, position adjusting chute, 62, locking bolt, 63, counterweight block.
Detailed Description
The invention is further described below with reference to the drawings and specific preferred embodiments.
As shown in fig. 1, a feeding device for rapidly adjusting the feeding amount by using a continuously variable transmission mechanism is characterized in that: the material feeding device comprises a hopper 1, a balance support 2, a feeding device 3 and a counterweight mechanism 6, wherein the balance support 2 is rotatably connected with a fixed support 23 through a support shaft 21, the feeding device 3 and the counterweight mechanism 6 are respectively arranged at two ends of the balance support 2, a discharge hole at the bottom of the hopper 1 is arranged above the feeding device 3, materials in the hopper 1 fall into the feeding device 3 through the discharge hole, and the balance support 2 is used for rotating around the support shaft 21 under the driving of the mass difference of the counterweight mechanism 6 and the feeding device 3;
the hopper is characterized in that a slidable hopper door 55 covers a bottom discharge port of the hopper 1, one end of the balance support 2, which is provided with a counterweight mechanism 6, is in transmission connection with a hopper door opening and closing mechanism 5, the hopper door opening and closing mechanism 5 is used for driving the hopper door 55 to slide in a reciprocating manner relative to the bottom discharge port of the hopper 1 to complete the opening or closing of the bottom discharge port of the hopper 1, the rotation angle of the balance support 2 around a support shaft 21 is used for determining the speed of the hopper door opening and closing mechanism 5 for controlling the reciprocating motion of the hopper door 55, and the reciprocating motion speed of the hopper door 55 is used for determining the mass of the material output by the hopper 1 through the bottom discharge port in unit;
the counterweight mechanism 6 comprises a counterweight block 63, and the distance between the counterweight block 63 and the support shaft 21 is adjustable.
In this embodiment, the gravity of the balance bracket 2 cannot be ignored, and in order to reduce the calculation and improve the efficiency of adjusting the counterweight mechanism 6, the fixed bracket 23 and the hinge point support shaft 21 of the balance bracket 2 in this embodiment are located at the gravity center position of the whole mechanism, so that the weights of the left and right sides of the balance bracket 2 are approximately equal, the balancing of the gravity center positions of the left and right sides of the balance bracket 2 is easily completed, and the calculation is reduced. The moment of the left and right sides of the supporting shaft 21 are equal and opposite, so that the two ends of the balance bracket 2 are unbalanced to rotate.
In this embodiment, as shown in fig. 6, the feeding device 3 includes a conveyor belt framework 34, the top of the conveyor belt framework 34 and one end of the balance bracket 2 far away from the counterweight mechanism 6 are rotatably connected through a rotating shaft 35, the bottom of the conveyor belt framework 34 is provided with a rotatable front roller shaft 31 and a rotatable rear roller shaft 33, the front roller shaft 31 and the rear roller shaft 33 are arranged in parallel, the transmission between the front roller shaft 31 and the rear roller shaft 33 is realized through a conveyor belt 32 covered outside, the central shaft of the front roller shaft 31 is in transmission connection with the output shaft of the driving motor, and the bottom discharge port of the hopper 1 is arranged above the conveyor belt 32.
Further, the balancing of the weight mechanism 6 typically takes into account the mass of material remaining on the surface of the conveyor belt 32. After the material in the hopper 1 falls on the surface of the conveyor belt 32, the total mass of the material on the surface of the conveyor belt 32 is balanced in the processes of hopper input and conveyor belt 32 discharge. The belt framework 34 is rotatably connected to the balance frame 2 by a rotating shaft 35, and the rotating shaft 35 is generally disposed right above the center of gravity of the belt framework 34 for keeping the belt 32 balanced. The fixed support 23 and the hopper 1 can be fixedly arranged on the ground through a fixing device such as a fixed frame, and two ends of the supporting shaft 21 are rotatably connected with the fixed support 23 through a supporting bearing 22.
In this embodiment, the bottom discharge hole of hopper 1 sets up and is close to preceding roller 31 one end top at conveyer belt 32, conveyer belt 32 both sides and the tip that are close to preceding roller 31 one end all be provided with striker plate 36, striker plate 36 set up in conveyer belt 32 outside edge, striker plate 36 vertical setting.
Further, the edges of the conveyor belt 32 except the discharge end can be provided with a material baffle 36, and the material baffle 36 can prevent the reduction of the transportation efficiency caused by the scattering of the materials in the hopper 1 during the discharge and the transportation process of the materials on the surface of the conveyor belt 32.
In this embodiment, a vertically arranged transverse steering wheel 414 is arranged below one end of the balance bracket 2 provided with the counterweight mechanism 6, an edge of one side end surface of the transverse steering wheel 414 is rotatably connected with one end of a first connecting rod 411, the other end of the first connecting rod 411 is rotatably connected with one end of the balance bracket 2 provided with the counterweight mechanism 6, an edge of one side end surface of the transverse steering wheel 414 is also rotatably connected with one end of a second connecting rod 412, the other end of the second connecting rod 412 is rotatably connected with one end of a horizontally arranged transverse pushing rod 413, the other end of the transverse pushing rod 413 is in transmission connection with a control rod 425 of the stepless speed change device 4, and the rotation speed of an output shaft of the stepless speed change device 4 is used for controlling the hopper door opening and closing mechanism 5 to control the reciprocating speed; when one end of the balance support 2 provided with the counterweight mechanism 6 moves downwards around the support shaft 21, the transverse pushing rod 413 controls the output shaft of the stepless speed change device 4 to increase the rotating speed, and when one end of the balance support 2 provided with the counterweight mechanism 6 moves upwards around the support shaft 21, the transverse pushing rod 413 controls the output shaft of the stepless speed change device 4 to decrease the rotating speed.
Further, as shown in fig. 3, the transverse steering wheel 414 is rotatably and fixedly mounted on the side of the base 415 through a central rotating shaft, one side of the base 415 extends outwards to fix a horizontally arranged guide rail groove, and the transverse pushing rod 413 is slidably mounted in the guide rail groove and can slide back and forth along the axial direction of the guide rail groove. When the materials on the conveyor belt 32 are excessive, the balance bracket 2 rotates clockwise, the steering wheel 414 rotates clockwise under the action of the first connecting rod 411, and the steering wheel 414 drives the second connecting rod 412 to pull the push rod 413 to move horizontally towards the steering wheel 414; when the material on the conveyor belt 32 is too little, the balance bracket 2 rotates counterclockwise, the steering wheel 414 rotates counterclockwise under the action of the first connecting rod 411, and the steering wheel 414 drives the second connecting rod 412 to push the pushing rod 413 to move horizontally in a direction away from the steering wheel 414; the transmission ratio of the continuously variable transmission 4 can be controlled by controlling the direction of movement of the push rod 413.
In this embodiment, infinitely variable device 4 includes first stepless speed change jade shaft 421 and the second stepless speed change jade shaft 422 that the center shaft is parallel to each other, and first stepless speed change jade shaft 421 and second stepless speed change jade shaft 422 are toper tube-shaped structure and set up relatively, first stepless speed change jade shaft 421 and second stepless speed change jade shaft 422 between through the stepless conveyer belt 423 transmission that covers outward, control lever 425 and the concentric fixed setting of first stepless speed change jade shaft 421, control lever 425 be used for driving first stepless speed change jade shaft 421 along axial reciprocating motion, infinitely variable device 4's output shaft and the coaxial fixed connection of first stepless speed change jade shaft 421, the center shaft of second stepless speed change jade shaft 422 be connected with the output shaft transmission of motor 424.
Further, as shown in fig. 2, when the pushing rod 413 drives the first stepless speed-changing rolling shaft 421 and the second stepless speed-changing rolling shaft 422 to move oppositely, the transmission ratio decreases, and the output rotation speed of the stepless speed change device 4 decreases. When the push rod 413 drives the first stepless speed changing rolling shaft 421 and the second stepless speed changing rolling shaft 422 to move relatively, the transmission ratio is increased, and the output rotating speed of the stepless speed changing device 4 is increased. The opening and closing frequency of the hopper door 55 can be adjusted by changing the output rotation speed of the continuously variable transmission 4.
In this embodiment, as shown in fig. 9, an end of the control rod 425 is connected to an end of the lateral pushing rod 413 through the thrust bearing 416, the control rod 425 and the lateral pushing rod 413 are coaxially arranged, the lateral pushing rod 413 is used for driving the control rod 425 to move along the axial direction, and the control rod 425 and the lateral pushing rod 413 can rotate relatively.
In this embodiment, as shown in fig. 6 and 7, the output shaft of the continuously variable transmission 4 is connected to an eccentric rod 54, the eccentric rod 54 is rotatably connected to one end of a transmission rod 53, the transmission rod 53 is perpendicular to the eccentric rod 54, the other end of the transmission rod 53 is rotatably connected to one end of a rotating shaft 52, the rotating shaft 52 is rotatably connected to one end of an amplitude push-pull rod 51, and the other end of the amplitude push-pull rod 51 is fixedly connected to one side edge of a hopper door 55; when the eccentric rod 54 rotates, the driving rod 53 can be driven to reciprocate in the horizontal direction, the rotating shaft 52 is perpendicular to the driving rod 53, and the reciprocating direction of the hopper door 55 is parallel to the plane of the driving rod 53.
Further, the rotation of the eccentric rod 54 can drive the transmission rod 53 to be sleeved on the eccentric rod 54, and when the first stepless speed change roller 421 moves, the transmission rod 53 can slide along the axial direction of the eccentric rod 54. Changing the vibration frequency of the amplitude push-pull rod 51 can change the mass of the material output per unit time.
In this embodiment, the counterweight mechanism 6 further includes a locking bolt 62, the locking bolt 62 is vertically installed at the bottom of the counterweight block 63, the locking bolt 62 passes through the position adjusting sliding groove 61, the position adjusting sliding groove 61 is arranged at the end of the balance bracket 2, the extending direction of the position adjusting sliding groove 61 is parallel to the length direction of the balance bracket 2, the locking bolt 62 is used for sliding in the position adjusting sliding groove 61 at will, and the locking bolt 62 is used for fixing the counterweight block 63 at a set position.
Further, the weight 63 has an adjustable mass, and the constant delivery amount can be adjusted by adjusting the position and weight of the weight 63 in the weight mechanism 6. The balancing weight 63 bottom is equipped with the through-hole, has the screw thread that corresponds with locking bolt 62 in the through-hole, and locking bolt 62 passes position adjustment spout 61, when shifting balancing weight 63 to suitable position, screws up locking bolt 62, fixes balancing weight 63's position.
The weight 63 may be a box-like structure in which a weight device of known mass is fixedly placed. The counter weight blocks 63 may also be a plurality of counter weights with known mass, which are respectively and independently arranged, and each counter weight block 63 has different mass and is independently used.
When the feeding device is used, the weight required by the counterweight mechanism 6 and the distance between the counterweight block 63 and the supporting shaft 21 are calculated according to the speed of the material to be conveyed, and the counterweight block 63 is arranged; secondly, a driving motor on the feeding device 3 is turned on to drive a front roller shaft 31 of the feeding device 3 to rotate, and meanwhile, a motor 424 is turned on to enable the stepless speed change device 4 to start working and drive the amplitude push-pull rod 51 to reciprocate, at the moment, materials fall on the conveyor belt 32 from a discharge port at the lower part of the hopper 1, and are driven to the right side under the movement of the conveyor belt 32; at this time, if the material coming out of the hopper 1 is too much, the moment on the right side of the support shaft 21 is larger than the moment on the left side, at this time, the balance bracket 2 rotates clockwise with the support shaft 21 as a fulcrum, the transverse steering wheel 414 rotates clockwise under the action of the first connecting rod 411, the transverse push rod 413 moves leftward under the drive of the second connecting rod 412, the stepless speed change jade shaft 421 is driven to move leftward, the transmission ratio between the first stepless speed change jade shaft 421 and the second stepless speed change jade shaft 422 is reduced, and the reciprocating frequency of the amplitude push-pull rod 51 is further rapidly reduced under the action of the eccentric rod 54, so that the conveying amount of the material in unit time is reduced; if the material that comes out from hopper 1 is too little, then the moment of force on the left side of back shaft 21 is bigger than the moment of force on the right side, balanced support 2 uses back shaft 21 to rotate anticlockwise as the fulcrum this moment, under the effect of first connecting rod 411, horizontal steering wheel 414 anticlockwise rotates, under the drive of second connecting rod 412, horizontal catch bar 413 moves to the right, drive stepless speed change jade shaft 421 and move to the right, increase the drive ratio between first stepless speed change jade shaft 421 and the second stepless speed change jade shaft 422, and then increase the reciprocating frequency of amplitude push-pull rod 51 fast, thereby increase the conveying capacity of material in unit time, realize the constant pay-off fast.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may be made by those skilled in the art without departing from the principle of the invention.
Claims (8)
1. The utility model provides an utilize material feeding unit of infinitely variable speed mechanism rapid adjustment pay-off volume which characterized in that: the automatic feeding device comprises a hopper (1), a balance support (2), a feeding device (3) and a balance weight mechanism (6), wherein the balance support (2) is rotatably connected with a fixed support (23) through a supporting shaft (21), the feeding device (3) and the balance weight mechanism (6) are respectively arranged at two ends of the balance support (2), a discharge hole at the bottom of the hopper (1) is formed above the feeding device (3), materials in the hopper (1) fall into the feeding device (3) through the discharge hole, and the balance support (2) is used for rotating around the supporting shaft (21) under the driving of the mass difference of the balance weight mechanism (6) and the feeding device (3);
the hopper is characterized in that a slidable hopper door (55) covers a bottom discharge port of the hopper (1), one end of a balance support (2) provided with a counterweight mechanism (6) is in transmission connection with a hopper door opening and closing mechanism (5), the hopper door opening and closing mechanism (5) is used for driving the hopper door (55) to slide in a reciprocating mode relative to the bottom discharge port of the hopper (1) to complete opening or closing of the bottom discharge port of the hopper (1), the balance support (2) rotates around a support shaft (21) for determining the speed of the hopper door opening and closing mechanism (5) for controlling the reciprocating motion of the hopper door (55), and the speed of the reciprocating motion of the hopper door (55) is used for determining the quality of the hopper (1) for outputting materials through the bottom discharge port in unit time;
the counterweight mechanism (6) comprises a counterweight block (63), and the distance between the counterweight block (63) and the support shaft (21) is adjustable; a transverse steering wheel (414) which is vertically arranged is arranged below one end of the balance bracket (2) which is provided with the counterweight mechanism (6), the edge of one side end face of the transverse steering wheel (414) is rotatably connected with one end of a first connecting rod (411), the other end of the first connecting rod (411) is rotatably connected with one end of a balance bracket (2) provided with a counterweight mechanism (6), the edge of the end face at one side of the transverse steering wheel (414) is also rotatably connected with one end of a second connecting rod (412), the other end of the second connecting rod (412) is rotatably connected with one end of a transverse pushing rod (413) which is horizontally arranged, the other end of the transverse pushing rod (413) is in transmission connection with a control rod (425) of a stepless speed change device (4), the rotating speed of an output shaft of the stepless speed change device (4) is used for controlling the speed of the reciprocating motion of the hopper door (55) by the hopper door opening and closing mechanism (5);
when one end of the balance support (2) provided with the counterweight mechanism (6) moves downwards around the support shaft (21), the transverse push rod (413) controls the output shaft of the stepless speed change device (4) to increase the rotating speed, and when one end of the balance support (2) provided with the counterweight mechanism (6) moves upwards around the support shaft (21), the transverse push rod (413) controls the output shaft of the stepless speed change device (4) to reduce the rotating speed.
2. The feeding device for rapidly adjusting the feeding amount by using the continuously variable transmission mechanism as claimed in claim 1, wherein: material feeding unit (3) including conveyer belt skeleton (34), the top and balance support (2) of conveyer belt skeleton (34) keep away from counter weight mechanism (6) one end through pivot (35) rotatable coupling, the bottom of conveyer belt skeleton (34) be provided with rotatable preceding roller (31) and back roller (33), preceding roller (31) and back roller (33) parallel arrangement each other, preceding roller (31) and back roller (33) between realize the transmission through conveyer belt (32) that covers outward, the center pin of preceding roller (31) be connected with driving motor's output shaft transmission, the bottom discharge gate setting of hopper (1) in conveyer belt (32) top.
3. The feeding device for rapidly adjusting the feeding amount by using the continuously variable transmission mechanism as claimed in claim 2, wherein: the bottom discharge gate setting of hopper (1) be close to preceding roller (31) one end top in conveyer belt (32), conveyer belt (32) both sides and the tip that is close to preceding roller (31) one end all be provided with striker plate (36), striker plate (36) set up in conveyer belt (32) outside edge, striker plate (36) vertical setting.
4. The feeding device for rapidly adjusting the feeding amount by using the continuously variable transmission mechanism as claimed in claim 1, wherein: stepless speed change device (4) include first stepless speed change jade axle (421) and second stepless speed change jade axle (422) that the center pin is parallel to each other, first stepless speed change jade axle (421) and second stepless speed change jade axle (422) are toper tube-shaped structure and set up relatively, first stepless speed change jade axle (421) and second stepless speed change jade axle (422) between through stepless conveyer belt (423) transmission that covers outward, control lever (425) and first stepless speed change jade axle (421) concentric fixed setting, control lever (425) be used for driving first stepless speed change jade axle (421) along axial reciprocating motion, the output shaft of stepless speed change device (4) and the coaxial fixed connection of first stepless speed change jade axle (421), the center pin of second stepless speed change jade axle (422) be connected with the output shaft of motor (424).
5. The feeding device for rapidly adjusting the feeding amount by using the continuously variable transmission mechanism as claimed in claim 4, wherein: the end part of the control rod (425) is connected with the end part of the transverse pushing rod (413) through a thrust bearing (416), the control rod (425) and the transverse pushing rod (413) are coaxially arranged, the transverse pushing rod (413) is used for driving the control rod (425) to move along the axial direction, and the control rod (425) and the transverse pushing rod (413) can rotate relatively.
6. The feeding device for rapidly adjusting the feeding amount by using the continuously variable transmission mechanism as claimed in claim 4, wherein: an output shaft of the stepless speed change device (4) is connected with an eccentric rod (54), the eccentric rod (54) is rotatably connected with one end of a transmission rod (53), the transmission rod (53) is perpendicular to the eccentric rod (54), the other end of the transmission rod (53) is rotatably connected with one end of a rotating shaft (52), the rotating shaft (52) is rotatably connected with one end of an amplitude push-pull rod (51), and the other end of the amplitude push-pull rod (51) is fixedly connected with one side edge of a hopper door (55);
when the eccentric rod (54) rotates, the driving rod (53) can be driven to reciprocate in the horizontal direction, the rotating shaft (52) is perpendicular to the driving rod (53), and the reciprocating direction of the hopper door (55) is parallel to the plane where the driving rod (53) is located.
7. The feeding device for rapidly adjusting the feeding amount by using the continuously variable transmission mechanism as claimed in claim 1, wherein: counter weight mechanism (6) still include locking bolt (62), vertical the bottom of installing at balancing weight (63) of locking bolt (62), locking bolt (62) pass position adjustment spout (61), position adjustment spout (61) set up at balanced support (2) tip, the extending direction of position adjustment spout (61) be parallel with the length direction of balanced support (2), locking bolt (62) be used for sliding wantonly in position adjustment spout (61), locking bolt (62) be used for realizing that balancing weight (63) are fixed at the settlement position.
8. The feeding device for rapidly adjusting the feeding amount by using the continuously variable transmission mechanism as claimed in claim 7, wherein: the counterweight block (63) is of a box-shaped structure, and a counterweight device with known mass is fixedly placed in the box-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010612072.7A CN111717682B (en) | 2020-06-30 | 2020-06-30 | Feeding device capable of quickly adjusting feeding amount by using stepless speed change mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010612072.7A CN111717682B (en) | 2020-06-30 | 2020-06-30 | Feeding device capable of quickly adjusting feeding amount by using stepless speed change mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111717682A CN111717682A (en) | 2020-09-29 |
| CN111717682B true CN111717682B (en) | 2021-06-29 |
Family
ID=72570139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010612072.7A Active CN111717682B (en) | 2020-06-30 | 2020-06-30 | Feeding device capable of quickly adjusting feeding amount by using stepless speed change mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111717682B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112224805A (en) * | 2020-09-30 | 2021-01-15 | 安徽农业大学 | A accurate flow control unit for tealeaves production line |
| CN115901088B (en) * | 2022-09-28 | 2024-07-19 | 南通盟鼎新材料有限公司 | Composite material shaft dynamic balance testing machine |
| CN117087094B (en) * | 2023-08-24 | 2024-03-19 | 安徽通湾科技有限公司 | High-precision injection molding machine with automatic material taking mechanism |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1073171A1 (en) * | 1981-12-25 | 1984-02-15 | Минский научно-исследовательский институт строительных материалов | Arrangement for unloading loose materials |
| US20100021641A1 (en) * | 2008-07-28 | 2010-01-28 | General Electric Company | System and method for distributing a fluidic mass |
| CN202579844U (en) * | 2012-05-23 | 2012-12-05 | 浙江师范大学 | Conical infinitely variable transmission |
| CN103498894B (en) * | 2013-10-17 | 2016-03-23 | 郭克亚 | A kind of roller cone disk type stepless speed variator |
| CN103662759B (en) * | 2013-12-08 | 2015-10-14 | 黄冈市威斯机械有限公司 | The controlled unloader of turnover panel unloading type lock gas |
| CN104724480A (en) * | 2015-02-04 | 2015-06-24 | 张有科 | Conveying device capable of automatically adjusting feeding amount and control method thereof |
| CN105129260B (en) * | 2015-07-16 | 2017-08-04 | 安徽正远包装科技有限公司 | A kind of discharge control method of scale hooper |
| CN107600985A (en) * | 2017-09-18 | 2018-01-19 | 董雪霞 | It is a kind of to adjust the feed device of feeding amount by vibrating |
| CN107697487A (en) * | 2017-10-20 | 2018-02-16 | 江苏腾通包装机械有限公司 | A kind of magazine attachment |
| CN209306227U (en) * | 2018-12-27 | 2019-08-27 | 江苏诚意工程技术研究院有限公司 | A kind of bunker vibrator automatic starting device |
| CN110145570B (en) * | 2019-05-17 | 2024-04-16 | 福建工程学院 | Cone pulley type stepless speed change mechanism |
-
2020
- 2020-06-30 CN CN202010612072.7A patent/CN111717682B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111717682A (en) | 2020-09-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111717682B (en) | Feeding device capable of quickly adjusting feeding amount by using stepless speed change mechanism | |
| CN111717683B (en) | Feeding device capable of quickly adjusting feeding amount | |
| EP3219650B1 (en) | Double-weighing metering storage hopper | |
| CN107499963A (en) | A kind of feed device that feeding amount is adjusted by self-balancing | |
| CN107600985A (en) | It is a kind of to adjust the feed device of feeding amount by vibrating | |
| CN109632063B (en) | Easily-adjusted and easily-disassembled combination scale | |
| CN212862789U (en) | Conveying belt | |
| CN216582678U (en) | Raw material conveying and discharging device for refractory material distributing machine | |
| CN212558219U (en) | Feeding mechanism capable of automatically adjusting feeding amount | |
| CN110595586A (en) | Small-size granular fruit quantitative weighing machine | |
| CN214372836U (en) | Belt weigher body mechanism with adjustable weighing section length | |
| CN204313941U (en) | A kind of particieboard production measuring apparatus | |
| CN210556000U (en) | Counting, positioning and feeding device | |
| CN208631462U (en) | The discharging mechanism of oscillating feeder | |
| CN220165118U (en) | Full-automatic multifunctional loading and unloading equipment | |
| CN207329817U (en) | A kind of feed device that feeding amount is adjusted by self-balancing | |
| CN217905480U (en) | Automatic feeder for edible fungus culture material | |
| US2764360A (en) | Apparatus for the production of finely divided materials | |
| CN216879573U (en) | Metal mine mining conveyer with screening function | |
| CN112998299B (en) | A flow control device that is used for tobacco to mix and joins in marriage balance metering tube | |
| CN219449172U (en) | Bucket elevator for conveying fertilizer raw materials | |
| CN216609565U (en) | Green energy-saving concrete proportioning machine for aggregate bin | |
| CN219996298U (en) | Sequential high-precision electronic belt scale | |
| CN220879612U (en) | Conveying equipment with screening function | |
| CN220316382U (en) | Hopper promotes feeding device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |