CN213445247U

CN213445247U - Automatic cold-pressing batch feeder

Info

Publication number: CN213445247U
Application number: CN202022506077.XU
Authority: CN
Inventors: 乔卫平; 杜道伟; 饶俊辉
Original assignee: Zaoyang Qiaoxing Mechanical And Electronic Co ltd
Current assignee: Zaoyang Qiaoxing Mechanical And Electronic Co ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-06-15
Anticipated expiration: 2030-11-03

Abstract

The utility model relates to the technical field of automobile brake pad manufacturing, and discloses an automatic cold pressing batch feeder, which comprises a batch feeding box fixed above a frame, a weighing device connected with the batch feeding box and a powder conveying device positioned below the weighing device, wherein the batch feeding box comprises a batch feeding inlet and a batch feeding outlet, the weighing device is positioned below the batch feeding outlet, an auger used for conveying powder placed in the batch feeding box to the batch feeding outlet is arranged inside the batch feeding box, the powder is fed into the batch feeding box from the batch feeding inlet, the powder is discharged from the batch feeding outlet under the driving of the auger and enters the weighing device for weighing, after weighing, the weighing device is opened, so that the powder falls into the powder conveying device below, the weighed powder is transferred into a cold press through the powder conveying device and is pressed in a die cavity of a die of the cold press, and the powder is made into a brake pad with a corresponding die shape, the powder material does not need manual operation in the weighing and conveying processes, the manual labor intensity is low, and the automation degree is high.

Description

Automatic cold-pressing batch feeder

Technical Field

The utility model relates to an automobile brake block makes technical field, in particular to automatic cold pressing feeder.

Background

The automobile brake pad is also called as automobile brake shoe, and refers to a friction material fixed on a brake drum or a brake disc rotating with a wheel, wherein a friction lining and a friction pad bear external pressure to generate friction action so as to achieve the aim of reducing the speed of the automobile.

The preparation flow of brake block mixes likepowder raw materials earlier, then weighs through equipment, compresses tightly the shaping in sending into the mould chamber of cold press again, adopts the manual work to weigh the powder at present mostly, and the manual work of rethread is with the work area of sending the material that weighs to the cold press below to coldly press the processing, and degree of automation is low, and work efficiency is low, and the powder flies upward easily at the in-process of multiple operation, seriously pollutes operational environment, and is very unfavorable to operation workman's health.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an automatic cold pressing batch feeder has degree of automation height, and the accuracy of weighing is high, the powder is difficult for flying upward, workman intensity of labour is little, beneficial effect such as environmental protection can be good.

The above technical purpose of the present invention can be achieved by the following technical solutions:

automatic cold pressing batch feeder, including the frame, fix the feeding box in the frame top, with the weighing device that the feeding box is connected and be located the powder conveyor of weighing device below, feeding box is including throwing the material entry and throwing the material export, weighing device is located the below of throwing the material export, feeding box inside is equipped with and is used for carrying the powder of putting into feeding box to the auger of throwing the material export, the auger is rotatory by fixing the auger drive division drive on feeding box, the one end and the throwing in exit linkage of auger, powder conveyor is including the magazine that is used for holding or pouring the powder and being used for driving the magazine and carry the powder in the weighing device to the linear drive device in the cold press, the magazine is fixed on linear drive device.

Through adopting above-mentioned technical scheme, drop into the feeding case with pulverous raw materials by throwing the material entry, the powder is under the drive of auger, discharge and enter into weighing device by throwing the material export, after the powder weighs, weighing device opens, make the powder fall into below powder conveyor, move the powder that weighs to the cold press through powder conveyor, and put into the die cavity of the mould of cold press and compress tightly, make the powder into the brake block of corresponding mould shape, the powder need not manual operation at the weighing and transportation in-process, artifical intensity of labour is little, degree of automation is high.

The utility model discloses a further set up to: the auger comprises a first auger and a second auger, the first auger and the second auger are arranged at the bottom of the charging box in parallel, the first auger and the second auger are respectively positioned in two conveying channels, and the two conveying channels are fixed at the bottom of the charging box.

By adopting the technical scheme, the first auger and the second auger can simultaneously convey the powder in the feeding box, and can also separately convey the powder in the feeding box, quick feeding is realized when the first auger and the second auger are simultaneously conveyed, slow feeding is realized when only one of the first auger and the second auger is conveyed, and different feeding requirements can be met.

The utility model discloses a further set up to: the auger drive division includes first auger drive division and second auger drive division, first auger and second auger are connected with first auger drive division and second auger drive division respectively, throw the material export including first throwing the material export with the second throw the material export, first auger and second auger throw the material export with first throwing the material export and the second respectively and throw the material exit linkage.

By adopting the technical scheme, the first auger driving part and the second auger driving part respectively control the working states of the first auger and the second auger, so that the first auger and the second auger can work simultaneously or one of the first auger and the second auger can work simultaneously, and different feeding requirements can be met.

The utility model discloses a further set up to: the diameter of the first packing auger is smaller than that of the second packing auger.

Through adopting above-mentioned technical scheme, the less first auger of diameter is used for smart pay-off (send the material at a slow speed), slowly add the weight of settlement to remaining material, avoid a pay-off too much and lead to overweight, make the precision of weighing higher, and the great second auger of diameter is used for thick pay-off (pay-off fast), can carry most powder to weighing device fast in, make the process of weighing more swift, work efficiency is higher, even auger mutually supports, can guarantee higher weight precision and higher work efficiency simultaneously.

The utility model discloses a further set up to: the outside of throwing the workbin is located the position of first material outlet of throwing and is equipped with and is used for throwing the closed dodge gate of material outlet, the dodge gate includes two parts, the dodge gate two parts are connected with two the same drive arrangement respectively and are realized opening and shutting, drive arrangement includes sharp drive division and link mechanism, sharp drive division is fixed on throwing the workbin, link mechanism include with sharp drive division articulated first connecting rod and with dodge gate fixed connection's second connecting rod, first connecting rod and second connecting rod all with pivot fixed connection, the pivot is passed through the bearing frame and is fixed on throwing the workbin.

Through adopting above-mentioned technical scheme, the dodge gate is used for throwing the first material export closure, prevents that the powder in first auger from continuing to flow down to overweight, and the dodge gate includes two parts, can move respectively, reaches a certain weight after, closes a door earlier, and after the weight reaches, closes another door again, also can move simultaneously, and two doors are closed together after the weight reaches, further improve the weighing accuracy of powder.

The utility model discloses a further set up to: the outside of the feeding box is arranged below the feeding outlet and is provided with a turnover mechanism for dumping powder discharged from the feeding outlet into the weighing device, and the turnover mechanism comprises: the turnover mechanism comprises a turnover cylinder and a turnover disc, wherein the turnover disc is located below a second feeding outlet and fixed on a turnover shaft, the turnover cylinder is fixed on a feeding box, and a telescopic shaft of the turnover cylinder is connected with the turnover shaft through a turnover connecting rod.

Through adopting above-mentioned technical scheme, upset cylinder drive turnover disc overturns with certain frequency, realizes pouring the below box of weighing with the form of overturning into the powder of throwing material export discharge, and the turnover disc has certain buffering to the powder, avoids the powder directly to drop into the in-process of weighing the box from throwing the material export perpendicularly and causes the problem of polluted environment because of the powder flies upward.

The utility model discloses a further set up to: the weighing device comprises a weighing box, the upper end of the weighing box is hinged to a weighing sensor, the weighing box comprises two identical parts, the two parts jointly form a rectangular cavity, the plane of a diagonal of the rectangular cavity is a separating surface of the two parts of the weighing box, the separating surface is perpendicular to the horizontal plane, the upper ends of the two parts of the weighing box are hinged to the sensor, the sensor is fixed to a feeding box, the two parts of the weighing box are hinged to each other through telescopic shafts of a first air cylinder and a second air cylinder, and the first air cylinder and the second air cylinder are fixed to the feeding box respectively.

Through adopting above-mentioned technical scheme, the powder gets into and weighs the weight of box back through the sensor measurement powder, weight in the box of weighing reaches certain weight and makes two parts of the box of weighing rotate around upper end hinge point under the drive of first cylinder and second cylinder, make the bottom of the box rectangle cavity of weighing open, the realization replaces the manual work to pour out the powder in the box of weighing, and the box of weighing need not the upset, it flies upward to have reduced the powder, the environmental protection of equipment has been improved, can be when the box of weighing after the powder is totally poured out, two parts of the box of weighing wind upper end hinge point antiport under the drive of first cylinder and second cylinder, make the bottom of the box of weighing closed, carry out next operation of weighing, so reciprocal, realize continuous weighing process, the degree of automation is high, high work efficiency.

The utility model discloses a further set up to: the linear driving device comprises a slide rail, a rack is fixedly arranged on one side of the slide rail and is meshed with a gear fixed on an output shaft of a conveying motor, the material box is connected with the slide rail through a slide block and is fixedly connected with the slide rail through a connecting rod, the material box comprises a rectangular cavity which penetrates through the material box from top to bottom, the lower end opening of the rectangular cavity is V-shaped, two sides of the V-shaped opening are positioned on two opposite side walls of the rectangular cavity, two sides of the V-shaped opening are respectively provided with a bottom plate which can be opened and closed, one side of the bottom plate is hinged on the side wall at the upper end of the V-shaped opening, one side adjacent to the side wall connected with the bottom plate is provided with a driving device, the driving connecting rod device comprises a driving cylinder, a telescopic shaft of the driving cylinder is fixedly connected with the middle part of a middle connecting rod, and two ends of, the other end of the first driving connecting rod and the other end of the second driving connecting rod are respectively hinged to bottom plates on two sides of the V-shaped opening, the lower end of the rectangular cavity is further provided with an elastic abutting piece, the elastic abutting piece is of a rectangular frame structure with a hollowed middle portion, the side edges of the bottom plates on the two sides of the V-shaped opening are respectively penetrated through two sides of the elastic abutting piece, the bottom of the elastic abutting piece is borne on the supporting frame, and the supporting frame is fixed on the outer wall of the rectangular cavity through the connecting frame.

Through adopting above-mentioned technical scheme, thereby motor drive gear rotates and drives the rack removal with gear engagement, thereby make the slide rail with rack connection remove, the magazine passes through slider and sliding rail connection and fixes on the slide rail through the connecting rod, can realize that the magazine moves along with the slide rail, make the magazine can be at the position of weighing the box below and reciprocating motion between the work position of cold press, realize carrying the powder to the cold press automatically and carry out the press forming, the openable and closable bottom plate that the open-and-shut bottom V type open-ended both sides of magazine bottom set up is used for opening and closing of magazine bottom open-ended, be convenient for the magazine holds the powder and pours the powder, need not manual operation, need not to overturn when pouring the powder, the powder falls perpendicularly under self action of gravity, it flies upward to have reduced the powder, further improved the environmental protection performance of.

The utility model discloses a further set up to: the inside powder agitating unit that still is equipped with of workbin throws, powder agitating unit includes the (mixing) shaft, a plurality of stirring rods of surface distribution of (mixing) shaft, the one end of stirring rod is fixed on the surface of (mixing) shaft, and a plurality of stirring vane are connected to the other end, the (mixing) shaft is connected with the stirring drive division, the stirring drive division is fixed in the outside of workbin throws.

Through adopting above-mentioned technical scheme, the stirring rod is driven when the (mixing) shaft is rotatory and is stirred and break up the powder of throwing in the feed box, makes the powder of throwing in the feed box more even, has avoided causing the product quality problem because of the powder is inhomogeneous.

The utility model has the advantages that:

1. the utility model discloses set up two parallel augers at the bottom of throwing the storage bin, the great second auger of diameter is used for thick pay-off (quick pay-off), just stop when sending a certain setting value, the less first auger of diameter is used for smart pay-off (slow pay-off), add the weight of settlement slowly to remaining material, the dodge gate relative to first auger is used for cutting off the powder, when the powder weight in the weighing box reaches the setting value, close the door immediately, prevent the powder in the first auger from continuing to flow down, in order to avoid overweight, two parts of dodge gate can move respectively, reach after certain weight promptly, close a door earlier, after weight reaches, close another door again, also can move simultaneously, two doors are closed together after weight reaches, through the mode of thick pay-off again smart pay-off earlier, reduce the weight of pay-off gradually, close simultaneously or not simultaneously through two dodge gates, the powder conveying is gradually reduced until the weight in the weighing box reaches the set weight, and then the weighing box is completely closed, so that the weighing precision of the powder can be effectively improved.

2. The utility model discloses get into the weight of weighing the box after through the sensor measurement powder at the powder, weight in weighing the box reaches certain weight and makes two parts of weighing the box rotate around upper end hinge point under the drive of first cylinder and second cylinder, make the bottom of weighing box rectangle cavity open, the realization replaces the artifical powder in with weighing the box to pour out, and the box of weighing need not the upset, it flies upward to have reduced the powder, the feature of environmental protection of equipment has been improved, can be when weighing the box in the powder is by whole back of pouring out, two parts of weighing the box wind upper end hinge point antiport under the drive of first cylinder and second cylinder, make the bottom of weighing the box closed, carry out next operation of weighing, so reciprocal, realize continuous weighing process, degree of automation is high, high work efficiency.

3. The utility model discloses overturn the carousel with certain frequency upset in upset cylinder drive, realize throwing the below box of weighing is poured into with the form of upset to the material export exhaust powder, and the upset dish has certain buffering to the powder, avoids the powder directly to fly upward and cause the problem of polluted environment because of the powder from throwing the in-process that the material export falls into the box of weighing perpendicularly.

4. The utility model discloses with pulverous raw materials by throwing the material entry and drop into and throw the workbin, the powder is under the drive of auger, by throwing in the material export discharge and enter into weighing device, the powder weighs after, weighing device opens, make the powder fall into below powder conveyor, through powder conveyor with the powder that weighs transfer to the cold press in, and compress tightly in the die cavity of the mould of putting in the cold press, make the brake block of corresponding mould shape with the powder, the powder need not manual operation weighing and transportation in-process, the hand labor intensity is little, the degree of automation is high.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a plan view of the present invention.

Fig. 3 is a schematic sectional view taken along the line a of fig. 2.

Fig. 4 is a partially enlarged view of B in fig. 1.

Fig. 5 is a schematic structural diagram of the weighing apparatus of the present invention.

Fig. 6 is a schematic structural diagram of the powder conveying device of the present invention.

In the figure, 1, a frame; 2. a feeding box; 21. a feeding inlet; 22. a feeding outlet; 221. a first feeding outlet; 222. a second feeding outlet; 23. a packing auger; 231. a first auger; 232. a second auger; 24. a screw drive part; 241. a first auger driving part; 242. a second auger driving part; 25. a movable door; 26. a drive device; 261. a linear driving section; 262. a link mechanism; 2621. a first link; 2622. a second link; 2623. a rotating shaft; 27. a turnover mechanism; 271. turning over the air cylinder; 272. turning over the turntable; 273. a turning shaft; 274. turning over the connecting rod; 3. a weighing device; 31. a weighing box; 32. a sensor; 33. a first cylinder; 34. a second cylinder; 35. a spring; 4. a powder conveying device; 41. a magazine; 411. a rectangular cavity; 412. a base plate; 413. a drive device; 414. a driving cylinder; 415. a middle connecting rod; 416. a first drive link; 417. a second drive link; 418. a support frame; 419. a connecting frame; 42. a slider; 43. a linear drive device; 431. a slide rail; 432. a rack; 433. a gear; 434. a conveying motor; 44. a connecting rod; 5. a powder stirring device; 51. a stirring shaft; 52. a stirring rod; 53. a stirring blade; 54. a stirring drive section; 6. a cold press.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 6, the automatic cold-pressing batch feeder comprises a frame 1, a feeding box 2 fixed above the frame 1, a weighing device 3 connected with the feeding box 2, and a powder conveying device 4 positioned below the weighing device 3, wherein the feeding box 2 comprises a feeding inlet 21 and a feeding outlet 22, the weighing device 3 is positioned below the feeding outlet 22, an auger 23 used for conveying powder put into the feeding box 2 to the feeding outlet 22 is arranged inside the feeding box 2, the auger 23 is driven to rotate by an auger driving part 24 fixed on the feeding box 2, and one end of the auger 23 is connected with the feeding outlet 22; the method comprises the steps that powdery raw materials are put into a feeding box 2 through a feeding inlet 21, powder is discharged from a feeding outlet 22 and enters a weighing device 3 under the drive of an auger 23, after the weight of the powder is weighed, the weighing device 3 is opened, the powder falls into a powder conveying device 4 below, the powder conveying device 4 comprises a material box 41 used for containing or pouring the powder and a linear driving device 43 used for driving the material box 41 to convey the powder in the weighing device 3 to a cold press 6, the material box 41 is fixed on the linear driving device 43, the powder in the material box 41 is conveyed and put into a mold cavity of a mold of the cold press 6 through the driving device 43 to be compressed, the powder is made into brake pads in corresponding mold shapes, manual operation is not needed in the weighing and conveying processes, the manual labor intensity is low, and the automation degree is high.

Further, as shown in fig. 2, the packing auger 23 includes a first packing auger 231 and a second packing auger 232, the first packing auger 231 and the second packing auger 232 are arranged at the bottom of the charging box 2 in parallel, the first packing auger 231 and the second packing auger 232 are respectively located in two conveying channels, and the two conveying channels are fixed at the bottom of the charging box 2; the packing auger driving part 24 comprises a first packing auger driving part 241 and a second packing auger driving part 242, the first packing auger driving part 241 and the second packing auger driving part 242 are air cylinders, the first packing auger 231 and the second packing auger 232 are respectively connected with the first packing auger driving part 241 and the second packing auger driving part 242, the feeding outlet 22 comprises a first feeding outlet 221 and a second feeding outlet 222, and the first packing auger 231 and the second packing auger 232 are respectively connected with the first feeding outlet 221 and the second feeding outlet 222; the first auger 231 and the second auger 232 can simultaneously convey the powder in the feeding box 2, and can also separately convey the powder in the feeding box 2, quick feeding is realized when the first auger 231 and the second auger 232 are simultaneously conveyed, slow feeding is realized when only one of the first auger 231 and the second auger 232 is conveyed, the first auger driving part and the second auger driving part respectively control the working states of the first auger and the second auger, and the first auger and the second auger are ensured to work simultaneously or one of the first auger and the second auger so as to realize different feeding requirements.

Furthermore, the diameter of the first auger 231 is smaller than that of the second auger 232, the second auger 232 with the larger diameter is used for rough feeding (quick feeding) and stops when the materials are fed to a certain set value, the first auger 231 with the smaller diameter is used for fine feeding (slow feeding), the rest materials are slowly added to the set weight, overweight caused by excessive feeding at one time is avoided, and the weighing precision is higher.

Furthermore, a movable door 25 for closing the feeding outlet 221 is arranged at the position, located at the first feeding outlet 221, outside the feeding box 2, the movable door 25 includes two parts, the two parts of the movable door 25 are respectively connected with two identical driving devices 26 to be opened and closed, the movable door 25 opposite to the first auger 231 is used for cutting off the powder, when the weight of the powder in the weighing device 3 reaches a set value, the door is closed immediately to prevent the powder in the first auger 231 from continuously flowing down so as to avoid overweight, the two parts of the movable door 25 can respectively act, that is, after a certain weight is reached, one door is closed first, after the weight is reached, the other door is closed, and the two doors can also act simultaneously, that is, the two doors are closed together after the weight is reached, so that the weighing accuracy of the powder is further improved.

Specifically, drive arrangement 26 includes linear drive portion 261 and link mechanism 262, linear drive portion 261 is the cylinder, and the cylinder body is fixed on throwing workbin 2, link mechanism 262 include with linear drive portion 261 telescopic shaft articulated first link 2621 and with dodge gate 25 fixed connection's second link 2622, first link 2621 and second link 2622 all with pivot 2623 fixed connection, pivot 2623 passes through the bearing frame to be fixed on throwing workbin 2, when the telescopic shaft of linear drive portion 261 stretches out or contracts, promote or stimulate first link 2621 and rotate, first link 2621 rotates and drives pivot 2623 rather than fixed connection and rotate, and pivot 2623 rotates and drives second link 2622 and rotate to make and rotate with second link 2622 fixed connection's dodge gate 25, realize opening or closing of dodge gate 25.

Further, a turnover mechanism 27 for dumping the powder material discharged from the feeding outlet 22 into the weighing device 3 is arranged outside the feeding box 2 and below the feeding outlet 22, and the turnover mechanism 27 comprises: the turning plate 272 is a rectangular plate with a concave surface, the turning plate 272 is positioned below the second feeding outlet 222 and is fixed on the turning shaft 273, the turning cylinder 271 is fixed on the feeding box 2, the telescopic shaft of the turning cylinder 271 is connected with the turning shaft 273 through the turning connecting rod 274, the turning cylinder 271 drives the turning plate 272 to turn over at a certain frequency, powder discharged from the feeding outlet is poured into the weighing box 31 below in a turning mode, the turning plate 271 has certain buffering effect on the powder, and the problem that the environment is polluted due to the fact that the powder flies in the process that the powder directly falls into the weighing box 31 from the feeding outlet vertically is solved.

Specifically, the weighing device 3 comprises a weighing box 31, the upper end of the weighing box 31 is hinged to a weighing sensor 32, the weighing box 31 comprises two identical parts which jointly form a rectangular cavity, the plane of one diagonal of the rectangular cavity is a separating plane of the two parts of the weighing box 31, the separating plane is perpendicular to the horizontal plane, the upper ends of the two parts of the weighing box 31 are hinged to the sensor 32, the sensor 32 is fixed to the batch box 2, the two parts of the weighing box 31 are hinged to each other through telescopic shafts of a first air cylinder 33 and a second air cylinder 34, and the first air cylinder 33 and the second air cylinder 34 are respectively fixed to the batch box 2; the weighing box 31 is also provided with a spring 35, and two ends of the spring 35 are respectively fixedly connected with two parts of the weighing box 31; the weight of powder is measured through sensor 32 after the powder gets into weighing box 31, when the powder in weighing box 31 reaches certain weight, weighing box 31's two parts rotate around upper end hinge point under the drive of first cylinder 33 and second cylinder 34, make weighing box 31 rectangle cavity's bottom open, realize replacing the manual work to pour out the powder in weighing box, and weighing box need not the upset, it flies upward to have reduced the powder, the environmental protection of equipment has been improved, can be when weighing box 31 in the powder by the whole back of pouring, weighing box 31's two parts are around upper end hinge point antiport under the drive of first cylinder 33 and second cylinder 34, make weighing box 31's bottom closed, carry out next weighing operation, so reciprocal, realize continuous weighing process, and degree of automation is high, and work efficiency is high.

Specifically, the linear driving device 43 comprises a sliding rail 431, a rack 432 is fixedly arranged on one side of the sliding rail 431, the rack 432 is meshed with a gear 433 fixed on an output shaft of a conveying motor 434, the conveying motor 434 drives the rack 432 meshed with the gear 433 to slide in a reciprocating manner, so that the sliding rail 431 fixedly connected with the rack 432 is driven to slide in a reciprocating manner, the material box 41 is connected with the sliding rail 431 through a sliding block 42, the material box 41 is fixedly connected with the sliding rail 431 through a connecting rod 44, the sliding rail 431 drives the material box 41 to slide in a reciprocating manner when sliding in a reciprocating manner, so that the material box 41 can move in a reciprocating manner between a position below the weighing box 31 and a working position of the cold press 6, and powder can be; the material box 41 comprises a rectangular cavity 411 which penetrates through the material box 41 up and down, the lower end opening of the rectangular cavity 411 is in a V shape, two sides of the V-shaped opening are positioned on two opposite side walls of the rectangular cavity 411, two sides of the V-shaped opening are respectively provided with an openable and closable bottom plate 412 for opening and closing the bottom opening of the material box 41, so that the material box 41 can contain powder and pour out the powder, one side of the bottom plate 412 is hinged on the side wall at the upper end of the V-shaped opening, one side adjacent to the side wall connected with the bottom plate 412 is provided with a driving device 413, the driving connecting rod device 413 comprises a driving cylinder 414, a telescopic shaft of the driving cylinder 414 is fixedly connected with the middle part of an intermediate connecting rod 415, two ends of the intermediate connecting rod 415 are respectively hinged with one end of a first driving connecting rod 416 and one end of a second driving connecting rod 417, and the other ends of the first driving connecting rod 416 and the second driving, the driving cylinder 414 drives the middle connecting rod 415 to move up and down, the middle connecting rod 415 pushes the first driving connecting rod 416 and the second driving connecting rod 417 at two ends to rotate oppositely or oppositely, so as to push the bottom plates 412 at two sides to rotate oppositely or oppositely, so as to open or close the bottom V-shaped opening, when the bottom V-shaped opening is opened, the powder falls vertically under the action of self gravity, so as to reduce the powder flying, and effectively improve the environmental performance of the equipment, the lower end of the rectangular cavity 411 is further provided with an elastic abutting member, the elastic abutting member is of a rectangular frame structure with a hollow middle part, the side edges of the bottom plates 412 at two sides of the V-shaped opening are respectively penetrated by two sides of the elastic abutting member, the bottom of the pair of elastic abutting members is supported on the supporting frame 418, the supporting frame 418 is fixed on the outer wall of the rectangular cavity 411 through the connecting frame 419, and the elastic abutting members seal the V-shaped opening bottom plate 412 and the frame 419 after the bottom plate, the powder is prevented from flying, the powder does not need to be overturned when being poured out from the V-shaped opening, and the powder falls vertically under the action of self gravity, so that the flying of the powder is reduced, and the environmental protection performance of the equipment is further improved.

Throw workbin 2 inside still and be equipped with powder agitating unit 5, powder agitating unit 5 includes (mixing) shaft 51, a plurality of stirring rod 52 of surface distribution of (mixing) shaft 51, the one end of stirring rod 52 is fixed on the surface of (mixing) shaft 51, and a plurality of stirring vane 53 are connected to the other end, (mixing) shaft 51 is connected with stirring drive portion 54, and stirring drive portion 54 is the rotating electrical machines, stirring drive portion 54 is fixed in the outside of throwing workbin 2, and stirring shaft 51 drives stirring rod 52 when rotatory and stirs and breaks up the powder of throwing among workbin 2, makes the powder of throwing the workbin more even, has avoided causing the product quality problem because of the powder is inhomogeneous.

The utility model discloses a theory of operation: throw the material inlet 21 with powdered raw materials and put into throwing in the material case 2, the powder is under the drive of auger 23, discharge and enter into weighing device 3 by throwing material export 22, after the powder weighs, weighing device 3 is opened, make the powder fall into below powder conveyor 4, transfer the powder that weighs to cold press 6 through powder conveyor 4, and put into the die cavity of the mould of cold press 6 and compress tightly, make the powder into the brake block of corresponding mould shape, the powder need not manual operation weighing and transportation in-process, artifical intensity of labour is little, degree of automation is high.

Claims

1. Automatic cold pressing batch feeder, its characterized in that: comprises a frame (1), a feeding box (2) fixed above the frame (1), a weighing device (3) connected with the feeding box (2) and a powder conveying device (4) positioned below the weighing device (3), wherein the feeding box (2) comprises a feeding inlet (21) and a feeding outlet (22), the weighing device (3) is positioned below the feeding outlet (22), an auger (23) used for conveying powder placed in the feeding box (2) to the feeding outlet (22) is arranged inside the feeding box (2), the auger (23) is driven to rotate by an auger driving part (24) fixed on the feeding box (2), one end of the auger (23) is connected with the feeding outlet (22), the powder conveying device (4) comprises a material box (41) used for containing or pouring out the powder and a linear driving device (43) used for driving the material box (41) to convey the powder in the weighing device (3) to a cold press (6), the magazine (41) is fixed to a linear drive (43).

2. The automatic cold-pressing batch feeder of claim 1, characterized in that: auger (23) includes first auger (231) and second auger (232), first auger (231) and second auger (232) parallel arrangement are in the bottom of throwing workbin (2), first auger (231) and second auger (232) are arranged in two transfer passage, the bottom at throwing workbin (2) is fixed to two transfer passage.

3. The automatic cold-pressing batch feeder of claim 2, characterized in that: auger drive division (24) are including first auger drive division (241) and second auger drive division (242), first auger (231) and second auger (232) are connected with first auger drive division (241) and second auger drive division (242) respectively, throw material export (22) including first throw material export (221) and second throw material export (222), first auger (231) and second auger (232) throw material export (221) and second respectively with first throw material export (222) and second and throw material export (222) and be connected.

4. The automatic cold-pressing batch feeder of claim 3, characterized in that: the diameter of the first packing auger (231) is smaller than that of the second packing auger (232).

5. The automatic cold-pressing batch feeder of claim 3, characterized in that: the outside of throwing workbin (2) is located the position of first throwing material export (221) and is equipped with and is used for throwing this first closed dodge gate (25) of material export (221), dodge gate (25) include two parts, dodge gate (25) two parts are connected with two the same drive arrangement (26) respectively and are realized opening and shutting, drive arrangement (26) include linear drive portion (261) and link mechanism (262), linear drive portion (261) are fixed on throwing workbin (2), link mechanism (262) include with linear drive portion (261) articulated first connecting rod (2621) and with dodge gate (25) fixed connection's second connecting rod (2622), first connecting rod (2621) and second connecting rod (2622) all with pivot (2623) fixed connection, pivot (2623) are fixed on throwing workbin (2) through the bearing frame.

6. The automatic cold-pressing batch feeder of claim 3, characterized in that: the outside of the feeding box (2) is provided with a turnover mechanism (27) which is arranged below the feeding outlet (22) and used for dumping powder discharged from the feeding outlet (22) into the weighing device (3), and the turnover mechanism (27) comprises: the automatic feeding device comprises a turnover cylinder (271) and a turnover disc (272), wherein the turnover disc (272) is located below the second feeding outlet (222) and fixed on a turnover shaft (273), the turnover cylinder (271) is fixed on the feeding box (2), and a telescopic shaft of the turnover cylinder (271) is connected with the turnover shaft (273) through a turnover connecting rod (274).

7. The automatic cold-pressing batch feeder of claim 1, characterized in that: the weighing device (3) comprises: weighing box (31) and weighing sensor (32), weighing box (31) includes the same two parts, and two parts constitute a rectangle chamber jointly, the plane that a diagonal place in rectangle chamber is the plane of weighing box (31) two parts, the plane of dividing perpendicular to the horizontal plane, the upper end of weighing box (31) two parts all is articulated with sensor (32), sensor (32) are fixed on throwing workbin (2), weighing box (31) two are articulated through the telescopic shaft of first cylinder (33) and second cylinder (34), first cylinder (33) and second cylinder (34) are fixed respectively on throwing workbin (2).

8. The automatic cold-pressing batch feeder of claim 1, characterized in that: the linear driving device (43) comprises a sliding rail (431), a rack (432) is fixedly arranged on one side of the sliding rail (431), the rack (432) is meshed with a gear (433) fixed on an output shaft of a conveying motor (434), the material box (41) is connected with the sliding rail (431) through a sliding block (42), and the material box (41) is fixedly connected with the sliding rail (431) through a connecting rod (44).

9. The automatic cold-pressing batch feeder of claim 8, characterized in that: the material box (41) comprises a rectangular cavity (411) which penetrates through the material box vertically, the lower end opening of the rectangular cavity (411) is in a V shape, two sides of the V-shaped opening are positioned on two opposite side walls of the rectangular cavity (411), two sides of the V-shaped opening are respectively provided with a bottom plate (412) which can be opened and closed, one side of the bottom plate (412) is hinged on the side wall at the upper end of the V-shaped opening, one side adjacent to the side wall connected with the bottom plate (412) is provided with a driving connecting rod device (413), the driving connecting rod device (413) comprises a driving cylinder (414), a telescopic shaft of the driving cylinder (414) is fixedly connected with the middle part of a middle connecting rod (415), two ends of the middle connecting rod (415) are respectively hinged with one end of a first driving connecting rod (416) and one end of a second driving connecting rod (417), and the other ends of the first driving connecting rod (416) and the second driving connecting rod (417) are respectively hinged on, the lower extreme of rectangle cavity (411) still is provided with elasticity and supports the piece, elasticity supports the rectangle frame structure that the piece is middle part fretwork, the side of the bottom plate on V type opening both sides is supported the piece both sides by elasticity respectively and is passed, elasticity supports the bottom of piece and bears on braced frame (418), braced frame (418) are fixed on the outer wall of rectangle cavity (411) through linking frame (419).

10. The automatic cold-pressing batch feeder of claim 1, characterized in that: the feeding box (2) is internally provided with a powder stirring device (5), the powder stirring device (5) comprises a stirring shaft (51), a plurality of stirring rods (52) are distributed on the surface of the stirring shaft (51), one ends of the stirring rods (52) are fixed on the surface of the stirring shaft (51), the other ends of the stirring rods are connected with a plurality of stirring blades (53), the stirring shaft (51) is connected with a stirring driving part (54), and the stirring driving part (54) is fixed outside the feeding box (2).