CN101746072B - Feeding system for powder compact forming machine - Google Patents
Feeding system for powder compact forming machine Download PDFInfo
- Publication number
- CN101746072B CN101746072B CN 200810154061 CN200810154061A CN101746072B CN 101746072 B CN101746072 B CN 101746072B CN 200810154061 CN200810154061 CN 200810154061 CN 200810154061 A CN200810154061 A CN 200810154061A CN 101746072 B CN101746072 B CN 101746072B
- Authority
- CN
- China
- Prior art keywords
- hopper
- reductor
- screw feeder
- oil motor
- spiral
- 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.)
- Expired - Fee Related
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/30—Feeding material to presses
- B30B15/302—Feeding material in particulate or plastic state to moulding presses
Abstract
The invention provides a feeding system for a powder compact forming machine, comprising a motor, a reduction box and a spiral feeder, wherein the oil motor is connected with the reduction box by a shaft joint; and the reduction box is connected with the spiral feeder by a shaft joint and is tightly fixed on a carriage to form an integral concentric axial device. The invention has the beneficial effects that feeding is even and accurate, defects of insufficiencies of hydraulic push type air compression and half compression is avoided, and the press cake forming rate is ensured; and the spiral feeder is controlled by an electronic program control system in the aspects of speed and torque, thus realizing high quality and efficient automation for the compact forming machine.
Description
Technical field:
The present invention relates to a kind of feeding device, particularly a kind of feeding system for powder compact forming machine.
Background technology:
At present, the hydraulic press feeding system that is used for the powder compact moulding all adopts the hydraulic pressure push-in type, this mode is owing to there are some powder to accumulate in the shaping mould hopper, when pushing the plunger backhaul, close the space in being easy between two hoppers to form, because of in close space gas pressure effect, the sinking of feed hopper powder is greatly affected, pneumatics, partly press phenomenon to happen occasionally, the compound stalk forming effect is very undesirable.
Summary of the invention:
Purpose of the present invention just is to overcome above-mentioned the deficiencies in the prior art, and a kind of feeding system for powder compact forming machine is provided, and this screw feeder speed is adjustable, and moment of torsion is adjustable, can according to briquetting size accurate feeding, reach the desired design molding effect of cuber.
The technical solution used in the present invention is: a kind of feeding system for powder compact forming machine is characterized in that: be comprised of oil motor, reductor and screw feeder; Oil motor is connected with shaft coupling with reductor, and reductor is connected with shaft coupling with screw feeder, and is fastened on one concentric, axial device of formation on the bracing frame.
The power transmission shaft of above-mentioned oil motor and cylinder body dead in line; Plunger head is connected with sliding clogs ball strand; In the plunger rotary course, under the effect of spring, be pressed on the Dou dish by platen; Plane gap and cylinder body between sliding clogs and the swash plate and the plane gap that is installed between the valve plate on the power transmission shaft are static balance,
Two eccentric bushings of 180 ° of dislocation are housed on the power shaft of above-mentioned reducing gear, at eccentric bushing two pivoted arm roller bearings are housed, form H mechanism, the centre bore that is installed in two Cycloidal Wheel on the support is the raceway of rotary arm bearing on the eccentric bushing, and be meshed by the pin tooth of one group of annular array on Cycloidal Wheel and the pin tooth, to form the poor interior engaging mechanism as a tooth of tooth.
The oil sealing of above-mentioned screw feeder and the bearing spiral end axle of packing into, spiral is pressed people's bearing block by the discharging opening of screw-casing, and its helical axis is connected with shaft coupling with speed reducer output shaft; Spiral top and screw-casing charging aperture are same horizontal plane; Hopper is suitable for reading parallel with end mouth, and end opening docks with screw feeder import two planes.
Above-mentioned hopper is Dou ladder inequilateral shape, is that 120 ° of elevations angle tilt to reductor, oil motor direction on the hopper limit that is positioned at this end of discharging opening and concentric axis, and the hopper limit symmetrical with it tilts with 45 ° of angles, forms a hopper wide at the top and narrow at the bottom.
Operation principle of the present invention is:
Oil motor, reductor, screw feeder, shaft coupling connect into the concentric, axial device of an one; Under the counterclockwise running of oil motor, slowing down through reductor outputs to clockwise screw feeder and makes concentric, axial and at the uniform velocity turn round; Hopper Di Kou plane is connected with screw feeder charging aperture plane bolt, and powder stock is sent into compound stalk forming mould hopper accurately along screw feeder screw-casing inner chamber under the speed of screw feeder, moment of torsion, acting in conjunction; The axial-rotation of screw feeder has the uniform stirring function, is conducive to powder stock and adds required element; The moment of torsion of screw feeder, the small caking of powder is had crushing function, the packing that improves briquetting is had very good effect; Feed hopper is suitable for reading, the shaping mould hopper closing cap that installs additional suitable for reading; Its lateral plates can install window additional, to satisfy the use that environmental requirement is arranged.
The invention has the beneficial effects as follows: feed evenly, accurately, avoided hydraulic pressure push-in type pneumatics, half shortcoming and defect of pressing, the compound stalk forming rate is guaranteed; The speed of screw feeder, moment of torsion, be controlled by electronic programmed control system, realized high-quality, the high-efficient automatic of cuber.
Description of drawings:
Fig. 1 is overall structure figure of the present invention.
Fig. 2 is oil motor structural map of the present invention.
Fig. 3 is reductor structure figure of the present invention.
Fig. 4 is screw feeder structural map of the present invention.
The specific embodiment:
As shown in Figure 1:
1 oil motor, 2 shaft couplings, 3 reductors, 4 shaft couplings, 5 bracing frames, 6 bearings, 7 bearing blocks, 8 oil sealings, 9 spirals, 10 screw-casings, 11 hoppers.
In Fig. 1 embodiment, oil motor 1, with reductor 3, be connected with shaft coupling 2 axles; Reductor 3, with screw feeder spiral 9, be connected with shaft coupling 4 axles, and be fastened on and form an one concentric, axial device on the bracing frame, set up power, speed change, acting, three large functions.
As shown in Figure 2:
(12) speed changing structure housing (13) handwheel, (14) leading screw, (15) variable piston, (16) oil pin, (17) Dou dish, (18) platen, (19) slide clogs, (20) bearing, (21) plunger, (22) power transmission shaft, (23) the front pump housing, (24) valve plate, (25) cylinder body, (26) spring, (27) oil motor shell.
In accompanying drawing 2 embodiment, power transmission shaft (22) and cylinder body (25) dead in line; Plunger (21) head is connected with sliding clogs (19) ball strand; In plunger (21) rotary course, under the effect of spring (26), be pressed on the Dou dish (17) by platen (18); Consisting of suction, in three pairs of kinematic pairs of pumping cavity sealed volume, plane gap between sliding clogs (19) and the Dou dish (17) and the plane gap between cylinder body (25) and the valve plate (24) are static balance, thereby friction loss is reduced, axial plunger (21) gross efficiency is brought up to more than the 32Mpa, suction force feed mouth front end on the valve plate (24) is provided with damping trough, the sealed volume that prevents plunger (21) bottom is inhaled again, the compression shock that causes because of pressure jump during the force feed conversion, the hydraulic oil of pumping cavity leaks into cylinder body (25) through three pairs of pair clearances in the pump, and is back to fuel tank by the leakage hydraulic fluid port of oil motor shell (27) top.
As shown in Figure 3:
(28) power shaft, (29) dead ring, (30) oil seal cover, (31) support, (32) front ring washer, (33) eccentric bushing, (34) bearing pin, (35) pin tooth, (36) spacer ring, (37) pin sleeve, (38) needle guard, (39) pin wheel housing, (40) Cycloidal Wheel, (41) end cap, ring washer after (42), (43) dead ring, (44) output shaft.
Among accompanying drawing 3 embodiment, two eccentric bushings (33) of 180 ° of dislocation are housed at power shaft (28), at eccentric bushing (33) two pivoted arm roller bearings are housed, form H mechanism, the centre bore of two Cycloidal Wheel (40) is the raceway of rotary arm bearing on the eccentric bushing, and be meshed by the pin tooth of one group of annular array on Cycloidal Wheel (40) and the pin tooth (35), to form the poor interior engaging mechanism as a tooth of tooth.
When power shaft (28) rotates a week with eccentric bushing (33), because Cycloidal Wheel (40) cogs the characteristics of curve and be subjected to pin gear (35) upper pin gear restriction so, the motion of Cycloidal Wheel (40) becomes the plane motion that existing revolution has again rotation, just circle at power shaft (28), eccentric bushing (33) also rotates a week, Cycloidal Wheel (40) turns over a tooth in rightabout, thereby slow down, by output mechanism, the low speed spinning motion of Cycloidal Wheel (40) is exported with 87: 1 speed ratios clockwise by output shaft.
As shown in Figure 4:
(6) bearing, (7) bearing block, (8) oil sealing, (9) spiral, (10) screw-casing, (11) hopper.
In the embodiment shown in fig. 4, oil sealing (8) bearing (6) the spiral end axle of packing into, spiral (9) is pressed people's bearing block (7) by the discharging opening of screw-casing, its spiral (9) axle is connected with shaft coupling (4) with speed reducer output shaft, and oil motor, reductor, screw feeder form the concentric, axial device of an one at this moment; Spiral (9) top and screw-casing (10) charging aperture are same horizontal plane; Hopper (11) is suitable for reading parallel with end mouth, end opening docks with screw feeder import two planes, hopper (11) is Dou ladder inequilateral shape, be that 120 ° of elevations angle tilt to reductor oil motor direction on the hopper limit that is positioned at this end of discharging opening and concentric axis, the hopper limit symmetrical with it tilts with 45 ° of angles, forms a hopper wide at the top and narrow at the bottom.Powder stock enters spiral (9) under spiral (9) turns round clockwise by hopper (11) end mouth, and powder stock is extruded discharging opening through the screw-casing inner chamber.
Claims (1)
1. a feeding system for powder compact forming machine is characterized in that: be comprised of oil motor, reductor and screw feeder; Oil motor is connected with shaft coupling with reductor, and reductor is connected with shaft coupling with screw feeder, and is fastened on one concentric, axial device of formation on the bracing frame; The power transmission shaft of above-mentioned oil motor and cylinder body dead in line; Plunger head is connected with sliding clogs ball strand; In the plunger rotary course, under the effect of spring, be pressed on the Dou dish by platen; Plane gap and cylinder body between sliding clogs and the swash plate and the plane gap that is installed between the valve plate on the power transmission shaft are static balance; Suction force feed mouth leading portion on the valve plate is provided with damping trough, two eccentric bushings of 180 ° of dislocation are housed on the power shaft of above-mentioned reducing gear, at eccentric bushing two pivoted arm roller bearings are housed, form H mechanism, the centre bore that is installed in two Cycloidal Wheel on the support is the raceway of rotary arm bearing on the eccentric bushing, and be meshed by the pin tooth of one group of annular array on Cycloidal Wheel and the pin tooth, to form the poor interior engaging mechanism as a tooth of tooth; The oil sealing of above-mentioned screw feeder and the bearing spiral end axle of packing into, spiral is pressed people's bearing block by the discharging opening of screw-casing, and its helical axis is connected with shaft coupling with speed reducer output shaft; Spiral top and screw-casing charging aperture are same horizontal plane; Hopper is suitable for reading parallel with end mouth, and end opening docks with screw feeder import two planes; Above-mentioned hopper is Dou ladder inequilateral shape, is that 120 ° of elevations angle tilt to reductor, oil motor direction on the hopper limit that is positioned at this end of discharging opening and concentric axis, and the hopper limit symmetrical with it tilts with 45 ° of angles, forms a hopper wide at the top and narrow at the bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810154061 CN101746072B (en) | 2008-12-12 | 2008-12-12 | Feeding system for powder compact forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810154061 CN101746072B (en) | 2008-12-12 | 2008-12-12 | Feeding system for powder compact forming machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101746072A CN101746072A (en) | 2010-06-23 |
| CN101746072B true CN101746072B (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810154061 Expired - Fee Related CN101746072B (en) | 2008-12-12 | 2008-12-12 | Feeding system for powder compact forming machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN101746072B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102189430A (en) * | 2011-05-24 | 2011-09-21 | 杭州三晶工艺塑料有限公司 | Oil motor power system |
| CN102489704A (en) * | 2011-12-28 | 2012-06-13 | 洛阳中原矿山机械制造有限公司 | Thermal briquetting machine |
Citations (9)
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|---|---|---|---|---|
| SU1418222A1 (en) * | 1987-02-09 | 1988-08-23 | Всесоюзное Научно-Производственное Объединение "Комбикорм" | Screw feeder of pneumatic transport installation |
| CN2093264U (en) * | 1991-01-18 | 1992-01-15 | 兰州减速机厂 | Revolving movable toothed ring speed reduction machine |
| RU2012527C1 (en) * | 1991-09-24 | 1994-05-15 | Научно-производственная фирма "Панакс" | Spiral batcher |
| US6193072B1 (en) * | 1997-11-20 | 2001-02-27 | Azo Gmbh & Co. | Sifting machine with axial removal of screen, rotor, worm conveyor and drives for cleaning and maintenance |
| CN2636974Y (en) * | 2003-07-07 | 2004-09-01 | 自贡雷鸣机械制造有限公司 | Composite wet method pelletizer |
| CN1542295A (en) * | 2003-11-06 | 2004-11-03 | 浙江大学 | Pure water hydraulic axial plunger pump / motor by total water lubrication |
| CN2910999Y (en) * | 2006-06-02 | 2007-06-13 | 彭柏玲 | Small asphalt paver |
| CN101125307A (en) * | 2006-08-16 | 2008-02-20 | 北京中矿机电工程技术研究所 | Coal slime rubbing-kneading equipment |
| CN201376363Y (en) * | 2008-12-12 | 2010-01-06 | 天津市天二锻压机床有限公司 | Spiral-type feeder of block-press machine |
-
2008
- 2008-12-12 CN CN 200810154061 patent/CN101746072B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1418222A1 (en) * | 1987-02-09 | 1988-08-23 | Всесоюзное Научно-Производственное Объединение "Комбикорм" | Screw feeder of pneumatic transport installation |
| CN2093264U (en) * | 1991-01-18 | 1992-01-15 | 兰州减速机厂 | Revolving movable toothed ring speed reduction machine |
| RU2012527C1 (en) * | 1991-09-24 | 1994-05-15 | Научно-производственная фирма "Панакс" | Spiral batcher |
| US6193072B1 (en) * | 1997-11-20 | 2001-02-27 | Azo Gmbh & Co. | Sifting machine with axial removal of screen, rotor, worm conveyor and drives for cleaning and maintenance |
| CN2636974Y (en) * | 2003-07-07 | 2004-09-01 | 自贡雷鸣机械制造有限公司 | Composite wet method pelletizer |
| CN1542295A (en) * | 2003-11-06 | 2004-11-03 | 浙江大学 | Pure water hydraulic axial plunger pump / motor by total water lubrication |
| CN2910999Y (en) * | 2006-06-02 | 2007-06-13 | 彭柏玲 | Small asphalt paver |
| CN101125307A (en) * | 2006-08-16 | 2008-02-20 | 北京中矿机电工程技术研究所 | Coal slime rubbing-kneading equipment |
| CN201376363Y (en) * | 2008-12-12 | 2010-01-06 | 天津市天二锻压机床有限公司 | Spiral-type feeder of block-press machine |
Non-Patent Citations (3)
| Title |
|---|
| 张力，项辉宇，赵罘，袁柳樱.斜盘式轴向柱塞泵摩擦副分析.《机床与液压》.2007,第35卷(第06期),121-122. * |
| 摆线针轮减速机及其装配注意事项;梁静地;《工程机械与维修》;20020630;第9卷(第06期);96 * |
| 梁静地.摆线针轮减速机及其装配注意事项.《工程机械与维修》.2002,第9卷(第06期), |
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| CN101746072A (en) | 2010-06-23 |
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Granted publication date: 20130327 Termination date: 20141212 |
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| EXPY | Termination of patent right or utility model |