CN111069014A

CN111069014A - Automatic splitting production line for diamond molds and cold pressed compacts

Info

Publication number: CN111069014A
Application number: CN201911417500.4A
Authority: CN
Inventors: 吴阿宁; 王超斌; 蓝茂生; 穆苞苞; 许冬冬; 庄福章
Original assignee: Fujian Quanzhou Wanlong Stone Industry Co ltd
Current assignee: Fujian Quanzhou Wanlong Stone Industry Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-04-28
Anticipated expiration: 2039-12-31
Also published as: CN111069014B

Abstract

The invention discloses an automatic splitting production line of a diamond die and a cold pressed compact, which relates to the field of mechanical automation and mainly comprises the following components: the intermittent turntable device comprises a turntable which can be intermittently and rotatably arranged, wherein the upper end surface of the turntable is provided with a plurality of clamping seats with first hollow parts, and first jacking pieces are arranged in the first hollow parts in a way of moving up and down; the mold removing device comprises a movable table with a second hollow part and a first manipulator, and the movable table is movably provided with a pressing plate, a push plate and a second ejector rod; the screening device comprises a third machine base and an electromagnet which is movably arranged above the first conveying belt; the briquetting sorting unit comprises a hopper and two taper rollers arranged below the discharge end of the hopper. The invention automatically disassembles the die frame, the die body and the pressure head and separates the cold pressed blank through the intermittent turntable device, the die disassembling device and the screening device, and has the advantages of compact structure, continuous action, high automation degree and the like.

Description

Automatic splitting production line for diamond molds and cold pressed compacts

Technical Field

The invention relates to the field of mechanical automation, in particular to an automatic splitting production line for diamond molds and cold-pressed compacts.

Background

The diamond cold pressing blank is a working main body of the diamond saw blade, is a small product with various specifications and sizes, and is different from a conventional product. At present, the industry of cold pressing diamond blanks adopts the steps of manually disassembling a die main body, separating a cold pressing blank from the die main body and installing the die main body to a die frame. The manual operation mode has low productivity and high labor intensity, more cold-pressed blank burrs easily stab the fingers of the staff, and the staff easily abrades the skin even wearing gloves all the time, so that certain potential safety hazards are realized. Therefore, automatic equipment must be designed to replace workers to disassemble the diamond tool bit die, so that the efficiency and the yield are improved, the physical burden of the workers is reduced, and the potential safety hazard is eliminated.

Disclosure of Invention

The invention provides an automatic splitting production line of a diamond die and a cold pressed blank, and aims to solve the problems in the prior art.

The invention adopts the following technical scheme:

the utility model provides an automatic split production line of diamond mould, cold pressed compact which characterized in that: comprises that

The intermittent turntable device comprises a first base, wherein the first base can be intermittently and rotatably provided with a turntable, and the upper end surface of the turntable is provided with a plurality of clamping seats for fixing the mold frame; the clamping seat is provided with a first hollow part, and a first jacking piece is arranged in the first hollow part in a manner of moving up and down and used for pushing the die main body filled with the cold pressing blank and the pressing block upwards.

The die removing device comprises a second base, the second base is provided with a movable table and a first manipulator used for transferring a die main body filled with cold pressed blanks and pressing blocks from the intermittent turntable device to the movable table, and a pressing plate used for fixing the die main body is movably arranged beside the movable table; the movable table is provided with a second hollow part, and a second jacking piece is arranged in the second hollow part of the movable table in a manner of moving up and down and is used for pushing the pressing block and the cold pressing blank upwards; the side of the movable table is movably provided with a push plate for pushing a pressing block and cold pressing blanks.

The screening device comprises a third machine base, wherein the third machine base is provided with a first conveying belt butted with the form removing device, and an electromagnet used for adsorbing the cold pressing blank is movably arranged above the first conveying belt of the third machine base.

Furthermore, the clamping seat comprises a mounting seat, a swing rod, a connecting plate and a bottom plate provided with the first hollow part, a first clamping block is fixedly arranged on one side of the first hollow part of the bottom plate, a second clamping block is movably arranged on the other opposite side of the bottom plate through the mounting seat, one end of the swing rod is hinged to the mounting seat, and two ends of the connecting plate are hinged to the second clamping block and the swing rod respectively.

Further, the holder has a mounting frame at the bottom thereof, the first supporting member is vertically movably provided to the mounting frame, and the mounting frame is rotatably provided with a cam for supporting the first supporting member and a first motor for operating the cam.

Further, the movable table is movably disposed on the second base.

Furthermore, the form removing device also comprises a separating hopper, the feeding end of the separating hopper is oppositely and fixedly connected with the pressing plate with the push plate, and the flow guide bottom plate of the separating hopper is a wave-shaped curved surface.

Furthermore, the upper end surface of the movable table is provided with positioning blocks around the second hollow part.

Further, the second supporting member includes a base plate and a plurality of supporting posts vertically disposed on an upper end surface of the base plate, and the base plate is disposed on the movable stage so as to be movable up and down.

Further, the pressing plate is arranged on the upper right side of the movable table in a manner of moving up and down and left and right through the electric two-dimensional sliding table, and the pushing plate is arranged on the upper left side of the movable table in a manner of moving left and right through the air cylinder.

Furthermore, a scraper for smoothing the cold pressed blank and the pressed block is erected above the first conveying belt of the third machine base.

Further, still include briquetting sorting unit, this briquetting sorting unit includes the fourth frame, and this fourth frame is equipped with the hopper with the butt joint of above-mentioned first conveyer belt, and the fourth frame is equipped with the feeder that directly shakes at the discharge end of hopper, rotationally is provided with two tapering cylinders side by side in the discharge end below of hopper to be equipped with a plurality of collecting tanks in the below of two above-mentioned tapering cylinders in the range.

From the above description of the structure of the present invention, it can be seen that the present invention has the following advantages:

firstly, the invention carries out automatic disassembly, separation and other operations on the die frame, the die body, the pressing head and the cold pressing blank through the intermittent turntable device, the die disassembling device and the screening device, and has the advantages of compact structure, continuous action, high automation degree and the like.

Secondly, in the invention, the clamping seat mainly comprises a bottom plate provided with a first hollow part, a first clamping block fixedly arranged on the bottom plate, a second clamping block movably arranged on the bottom plate through a mounting seat, a swing rod hinged with the mounting seat and a connecting plate hinged with the mounting seat and the swing rod. The worker moves the second clamping block through the swing rod, the first clamping block and the second clamping block are utilized, and the die frame can be fixed on the clamping seat through the cooperation of the annular flange of the die frame, so that the die frame has the advantages of simplicity in operation, convenience in assembly and disassembly, ingenious design and the like.

Thirdly, the mould stripping device also comprises a separation hopper fixedly arranged on the push plate, and a flow guide bottom plate of the separation hopper is a wavy curved surface. When the push pedal was fought with cold pressed compact and briquetting propelling movement to separation, still be in the laminating state between cold pressed compact and the briquetting, the water conservancy diversion bottom plate through the separation fill collides the cold pressed compact and the briquetting of whereabouts in-process, makes mutual separation between the two, makes things convenient for the sieving mechanism to carry out the screening operation of cold pressed compact and briquetting.

Fourthly, according to the screening device, the scraper plate for smoothing the cold pressed blank and the pressing block is erected above the first conveying belt, so that the cold pressed blank can be prevented from being sucked by the electromagnet or the pressing block can be prevented from being sucked by mistake, and the screening reliability and accuracy can be improved.

The invention also comprises a briquetting sorting device, the sizes of the briquettes are different due to different sizes of the cold-pressed blanks in different batches, and the briquetting sorting device is adopted to sort and collect the briquettes according to the sizes in order to recycle the briquettes with different sizes.

Drawings

FIG. 1 is a schematic diagram of a diamond tip mold.

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

FIG. 3 is a schematic structural diagram of an intermittent rotary table device in the present invention.

Fig. 4 is a schematic structural diagram of a holder, a first supporting member, a cam, a first motor, and the like in the intermittent turntable device.

Fig. 5 is a schematic structural diagram of the mold removing apparatus according to the present invention (the second robot is not shown).

Fig. 6 is an enlarged schematic view of a portion a of fig. 5.

Fig. 7 is a schematic structural diagram of a second supporting member, a screw rod, a second motor and the like in the form removing device.

FIG. 8 is a schematic structural diagram of a screening apparatus according to the present invention.

FIG. 9 is a schematic view showing the structure of a briquette sorting apparatus according to the present invention.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

Referring to fig. 1 and 3, for the sake of understanding, the specific structure of the diamond tip mold a will be described. The diamond bit die a mainly comprises a die frame a1, a die main body a2 and a plurality of pressing blocks a3, wherein the die frame a1 consists of a frame body a11 and two clamping plates a13 which are arranged in the frame body a11 in an adjustable mode through locking screws a 12. The die body a2 is clamped between the two clamping plates a13 and the frame a11 by adjusting the locking screw a 12. The die body is provided with a plurality of forming holes a21, a plurality of pressing blocks a3 are arranged in each forming hole a21 at intervals, cold pressing blanks are pressed by metal raw materials between every two adjacent pressing blocks a3, and the cold pressing blanks are diamond tool bits after being sintered. In order to fix the mold frame by the holder 14 of the present invention, the upper and lower ends of the outer sidewall of the frame a11 are provided with annular flanges a 111. The frame body a11 is also provided with a temperature measuring hole a 112.

Referring to fig. 2, the automatic splitting production line of the diamond mould and the cold pressed compact mainly comprises an intermittent turntable device 1, a mould stripping device 2, a screening device 3 and a pressed block sorting device 4. The respective devices in the production line will be described in detail below.

Referring to fig. 2 and 3, the intermittent rotary table device 1 mainly includes a first base 11, a rotary table 12, a cam divider 13, a holder 14, and a first supporting member 15. The dial 12 is provided to the first housing 11 to be intermittently rotatable by a cam divider 13. The upper end face of the rotary disc 12 is provided with four clamping seats 14 which are uniformly distributed in an annular shape and used for fixing the mould frame. Of course, the number of the clamping seats 14 can be increased or decreased according to the needs, and is not limited to four.

Referring to fig. 3 and 4, in particular, the holder 14 is mainly composed of a bottom plate 141, a first clamping block 142, a second clamping block 143, a mounting seat 144, and a manipulation assembly. The bottom plate 141 is fixedly mounted on the turntable 12 by bolts, and is provided with a first hollow portion 1411. The bottom plate 141 is respectively assembled with the first clamping block 142 and the second clamping block 143 at opposite sides of the first hollowed-out portion 1411. The first clamping block 142 is an L-shaped plate, and the first clamping block 142 is fixedly mounted on the bottom plate 141 by screws and is located at one side of the first hollow 1411. The second clamping block 143 is a strip-shaped plate, and the bottom plate 141 is fixedly provided with a mounting seat 144 with a sliding groove through a screw. One end of the second clamping block 143 is movably disposed on the mounting seat 144 toward the first clamping block 142, and the other end is provided with an L-shaped notch. And the above-mentioned manipulating assembly for moving the second clamping block 143 is disposed between the mounting seat 144 and the second clamping block 143.

Referring to fig. 4, the above-mentioned manipulation assembly includes a swing link 145 and a connection plate 146. The swing rod 145 is in an L shape, one end of the swing rod 145 is hinged to the mounting base 144, the corner of the swing rod is hinged to the connecting plate 146, the other end of the swing rod is a handheld portion, and the other end of the connecting plate 146 is hinged to the second clamping block 143.

Referring to fig. 3 and 4, the bottom plate 141 is provided with a first hollow portion 1411, and the holder 14 is provided with a first supporting member 15 in the first hollow portion 1411 so as to be movable up and down for pushing the mold body containing the cold-pressed compact and the pressing block upward. Specifically, the bottom of the bottom plate 141 is provided with a mounting bracket 1411. The first supporting member 15 is a column body adapted to the first hollow portion 1411, and the first supporting member 15 is movably disposed on the mounting frame 1411 up and down by the guide rod 151 and the linear bearing 150. The mount 1411 is rotatably provided with a cam 16 for holding the first holding member 15, and is provided with a first motor 17 for rotating the cam 16.

Referring to fig. 2 and 3, the intermittent rotary table device 1 is also provided with a cleaning device 18 beside one of the clamping seats 14 for cleaning an oxide layer on the surface of the temperature measuring hole on the mold frame. Specifically, the cleaning device 18 mainly includes a brush rod 181, a motor 182 for rotating the brush rod, and a telescopic cylinder 183 for moving the motor 182 and the brush rod 181 toward the temperature measuring hole of the mold frame.

Referring to fig. 2, 5, 6 and 7, the form removing apparatus 2 mainly includes a second base 21, a push plate 22, a press plate 23, a movable table 24, a second supporting member 25, a first robot 26, a separating bucket 27, and a second robot 5. The second machine base 21 is provided with a movable table 24 which can move left and right through an electric screw rod sliding table 211, a first manipulator 26 which is used for transferring the die main body filled with the cold pressed compact and the pressed compact from the intermittent turntable device 1 to the movable table 24, and a second manipulator 5 which is used for taking the vacant die main body away from the movable table 24. The movable table 24 is provided with a platen 23 for fixing the mold main body on the upper right side thereof movably up and down in the left and right direction by an electric two-dimensional slide table 28. The pressing plate 23 is provided with a plurality of through holes 231 corresponding to the molding holes of the die body one by one, so that the pressing block and the cold pressing blank can pass through the pressing plate 23. Specifically, the electric two-dimensional sliding table 28 may be an electric two-dimensional ball screw sliding table, and includes a horizontal sliding rail 281, a sliding seat 282, a vertical sliding rail 283, and a driving portion (not shown in the figure) composed of a plurality of screws, nut sliders, and a motor. Wherein, horizontal slide rails 281 are arranged on the front and rear sides of the movable table 24 and provided with a slide carriage 282, and the front and rear ends of the lower end surface of the pressing plate 23 are connected to one slide carriage 282 through two vertical slide rails 283 in a manner of moving up and down. Although the driving portion of the electric two-dimensional sliding table 28 is not shown in the drawings, the driving portion belongs to a conventional component of the electric two-dimensional ball screw sliding table, and in combination with the description of other components of the electric two-dimensional sliding table 28 in the prior art and the description, a person skilled in the art can completely implement the driving portion, and details are not described here.

Referring to fig. 2, 5 and 6, the feed end of the separator hopper 27 is fixedly connected to the pressure plate 23. Specifically, the feeding end bottom plate 271 of the separating hopper 27 is fixedly connected to the upper end surface of the pressing plate 23, and the feeding end bottom plate 271 is provided with a relief opening above the plurality of through holes. Furthermore, the deflector floor 272 of the separating hopper 27 is curved in a wave-like manner in order to facilitate a better separation of the pressed compact and the cold-pressed compact by impact.

Referring to fig. 2, 5 and 6, a push plate 22 is provided on the movable table 24 so as to be movable in the left-right direction at the upper left side thereof, and is used for pushing the compacts, cold-pressed blanks to the right. Specifically, the push plate 22 is provided on the movable table 24 so as to be movable in the left-right direction by an air cylinder 29 and an inverted L-shaped air cylinder mounting plate 291.

Referring to fig. 2, 5, 6 and 7, a second hollow portion 241 is disposed on the upper end surface of the movable table 24, and the second hollow portion 241 is composed of a plurality of through holes disposed in one-to-one correspondence with the molding holes of the mold body. The upper end surface of the movable table 24 is provided with positioning blocks 242 around the second hollow portion 241 for limiting the mold body. The bottom of the movable table 24 is provided with a second holding member 25 movable up and down for pushing the compacts and the cold-pressed blanks upward. The second supporting member 25 is composed of a substrate 251 and a plurality of supporting posts 252, and the supporting posts 252 and the through holes of the second hollow portion 241 are vertically disposed on the upper end surface of the substrate 251 in a one-to-one correspondence manner. The base plate 251 is provided at the bottom of the movable table 24 so as to be movable up and down by the electric screw sliding table 20. The electric screw rod sliding table 20 comprises a linear bearing 201, guide rods 202, a screw rod 203, a nut sliding block 204, a second motor 205 and a mounting plate 206, wherein the two guide rods 202 are fixedly mounted at the bottom of the movable table 24. The two linear bearings 201 are fixedly mounted on the base plate 251 and respectively engaged with the two guide rods 202. The left side of the movable table 24 is fixedly provided with a mounting plate 206, the screw rod 203 and the second motor 205 are connected and assembled on the mounting plate 206, and the nut slider 204 is fixedly arranged on the base plate 251 and is buckled with the screw rod 203 in a threaded manner.

Referring to fig. 2, 5 and 8, the screening apparatus 3 mainly includes a first conveyor belt 31, a scraper 32, a third frame 33, an electromagnet 34 and a collection box 35. The third frame 33 is provided with a first conveyor belt 31 abutting against the discharge port of the separation hopper 22, and a scraper 32 for smoothing the cold pressed compact and the briquettes is erected above the first conveyor belt 31. Preferably, the lower end of the scraper 32 is provided with a brush. The third base 33 is movably provided with an electromagnet 34 for adsorbing a cold compact through an electric screw sliding table 36. One end of the moving track of the electromagnet 34 is positioned above the first conveyor belt 31, and the third base 33 has a collecting box 35 positioned below the other end of the moving track of the electromagnet 34.

Referring to fig. 2, 8 and 9, the compact sorting apparatus 4 mainly includes a lifting conveyor 41, a hopper 42, a straight vibrating feeder 43, a taper roller 44, and a sixth stand 45. The sixth machine base 45 is provided with a hopper 41, one end of the lifting conveyor 41 is butted against the first conveyor 31, and the other end of the lifting conveyor 41 is positioned above the hopper 41. The sixth stand 45 is provided with a straight vibration feeder 43 at the discharge end of the hopper 41, and two tapered rollers 44 rotatably arranged side by side below the discharge end of the hopper 41. In addition, the sixth stand 45 is provided with a plurality of collecting grooves 46 arranged below the two tapered rollers 44. Specifically, a groove body with a V-shaped cross section is fixedly arranged below the two taper rollers 44 of the sixth machine base 45, and a plurality of partition plates are arranged at intervals inside the groove body to divide the groove body into a plurality of collecting grooves 46. Preferably, in order to protect the tapered rollers 44 and the compacts, the sixth machine base 45 is provided with a transition plate 47 for receiving the compacts between the discharge end of the hopper 41 and the two tapered rollers 44.

Referring to fig. 1 to 9, preferably, the first manipulator 26, the second manipulator 52 and the third manipulator 53 have the same main structure, and mainly include an electric two-dimensional sliding mechanism and a four-claw manipulator module, and since the manipulators belong to common automated mechanical parts, those skilled in the art can implement the methods with reference to the prior art, and will not be described herein again.

Referring to fig. 1 to 9, the method for disassembling the diamond mold and the cold compact according to the present invention is as follows:

(1) manually placing the diamond tool bit mould into an empty clamping seat 14 of the intermittent turntable device 1 and locking; then adjusting a locking screw of the die frame to enable the die frame and the die main body filled with the cold pressed blank and the pressing block to be loosened; the cam divider 13 drives the turntable 12 to rotate intermittently, the holder 14 with the diamond bit mold is rotated to the lower side of the first manipulator 26, the first ejector 15 is lifted, and the mold body filled with the cold-pressed compact and the compact is ejected out of the mold frame.

(2) The first manipulator 26 grabs the die main body filled with the cold pressed blank and the pressed block and transfers the die main body to the movable table 24 of the die stripping device 2; the pressing plate 23 moves to the right and descends to the upper end face of the die main body to fix the die main body; the second ejector 25 is raised to eject the cold-pressed compact and the compact from the die main body; the push plate 22 moves leftwards, and the cold pressed compact and the pressing block are pushed into the separation hopper from the upper end face of the press plate 23; the empty mould body is removed from the movable table 24 by the second robot 5.

(3) The cold pressed compact and the pressed compact fall into a first conveying belt 31 of the screening device 3 through a separating hopper and move along with the first conveying belt 31; the stacked cold compact and compact are smoothed by the scraper 32; the cold green compact is adsorbed by an electromagnet and transferred to a collection box 35; the compacts continue to move with the first conveyor belt 31.

(4) The briquettes move to the lifting conveyor belt 41 of the briquette sorting device 4 along with the first conveyor belt 31, are lifted by the lifting conveyor belt 41 and are sent into the hopper 42, then fall into the middle of the two tapered rollers 44 through the hopper 42 and the straight vibrating feeder 43, and fall into each collecting tank 46 from the middle of the two tapered rollers 44 according to size classification.

(5) The intermittent rotary table device 1 rotates a station which can idle, and an empty mould body can be placed in a mould frame in the clamping seat 14 and locked.

(6) The intermittent rotary table device 1 rotates for one station, and the temperature measuring holes of the die frame are cleaned by the cleaning device 18.

(7) The intermittent rotary table device 1 rotates for a station, is manually taken out of the clamping seat 14 of the intermittent rotary table device 1 and is put into another diamond tool bit mould to be disassembled.

The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing the present invention.

Claims

1. The utility model provides an automatic split production line of diamond mould, cold pressed compact which characterized in that: comprises that

The intermittent turntable device comprises a first base, wherein the first base can be provided with a turntable in an intermittent rotating manner, and the upper end surface of the turntable is provided with a plurality of clamping seats for fixing a mold frame; the clamp seat is provided with a first hollow part, and a first jacking piece is arranged in the first hollow part in a manner of moving up and down and is used for pushing the die main body filled with the cold pressing blank and the pressing block upwards;

the die removing device comprises a second base, the second base is provided with a movable table and a first manipulator used for transferring a die main body filled with a cold pressing blank and a pressing block from the intermittent turntable device to the movable table, and a pressing plate used for fixing the die main body is movably arranged beside the movable table; the movable table is provided with a second hollow part, and a second jacking piece is arranged in the second hollow part of the movable table in a manner of moving up and down and is used for pushing the pressing block and the cold pressing blank upwards; a push plate is movably arranged beside the movable table and used for pushing a pressing block and a cold-pressed blank;

2. The automatic splitting production line of diamond molds, cold compacts according to claim 1, characterized in that: the clamping seat comprises a mounting seat, a swing rod, a connecting plate and a bottom plate provided with the first hollowed-out portion, a first clamping block is fixedly arranged on one side of the first hollowed-out portion of the bottom plate, a second clamping block is movably arranged on the other opposite side of the bottom plate through the mounting seat, one end of the swing rod is hinged to the mounting seat, and two ends of the connecting plate are hinged to the second clamping block and the swing rod respectively.

3. The automatic splitting production line of diamond dies and cold pressed compacts as claimed in claim 1 or 2, wherein: the bottom of holder is equipped with the mounting bracket, first top is held the piece and is set up in the mounting bracket with reciprocating, and the mounting bracket rotationally is provided with and is used for propping the cam that holds first top and hold the piece to set and make the first motor of cam action.

4. The automatic splitting production line of diamond molds, cold compacts according to claim 1, characterized in that: the movable table is movably arranged on the second base.

5. The automatic splitting production line of diamond molds, cold compacts according to claim 1, characterized in that: the mould removing device also comprises a separating hopper, the feeding end of the separating hopper is oppositely and fixedly connected with the pressing plate with the push plate, and the flow guide bottom plate of the separating hopper is a wave-shaped curved surface.

6. The automatic splitting production line of diamond molds, cold compacts according to claim 1, characterized in that: and positioning blocks are arranged on the upper end surface of the movable table around the second hollow part.

7. The automatic splitting production line of diamond molds, cold compacts according to claim 1, characterized in that: the second supporting piece comprises a base plate and a plurality of supporting columns vertically arranged on the upper end face of the base plate, and the base plate can be arranged on the movable table in a vertically moving mode.

8. The automatic splitting production line of diamond molds, cold compacts according to claim 1, characterized in that: the pressing plate can be arranged on the upper right side of the movable table in a vertically and horizontally moving mode through the electric two-dimensional sliding table, and the pushing plate can be arranged on the upper left side of the movable table in a horizontally moving mode through the air cylinder.

9. The automatic splitting production line of diamond molds, cold compacts according to claim 1, characterized in that: and a scraper plate for smoothing the cold pressed blank and the pressed block is erected above the first conveying belt of the third machine base.

10. The automatic splitting production line of diamond molds, cold compacts according to claim 1, characterized in that: still include briquetting sorting unit, this briquetting sorting unit includes the fourth frame, this fourth frame be equipped with the hopper of first conveyer belt butt joint, the fourth frame is equipped with the feeder that directly shakes at the discharge end of hopper, rotationally is provided with two tapering cylinders side by side in the discharge end below of hopper, and two the below of tapering cylinder is equipped with arranges and is provided with a plurality of collecting tanks.