CN103357807B - Friction screw press - Google Patents
Friction screw press Download PDFInfo
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- CN103357807B CN103357807B CN201210085244.5A CN201210085244A CN103357807B CN 103357807 B CN103357807 B CN 103357807B CN 201210085244 A CN201210085244 A CN 201210085244A CN 103357807 B CN103357807 B CN 103357807B
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- friction pulley
- flywheel
- rotating shaft
- friction
- edge
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Abstract
The invention discloses a friction screw press comprising a flywheel. The flywheel is connected with a slider through a screw pair, a first edge and a second edge are arranged on the flywheel, the first edge is arranged opposite to a first end of a first friction wheel, the second edge is arranged opposite to a first end of a second friction wheel, a rotating shaft is arranged at the center of a second end of the first friction wheel, the rotating shaft is hermetically connected with a first cylinder, a first return mechanism is arranged between the rotating shaft and the first cylinder, a chamber serving as a second cylinder is further arranged at the first end of the first friction wheel, the second cylinder is hermetically connected with a second end of the second friction wheel, the second friction wheel rotates along with the first friction wheel, and a second return mechanism is further arranged between the first friction wheel and the second friction wheel. The friction screw press is compact in structure due to the design of the first and second friction wheels, the first cylinder and the second cylinder are designed skillfully, the first friction wheel and the second friction wheel can rotate simultaneously, and the first friction wheel can move axially relative to the first friction wheel.
Description
Technical field
The invention belongs to forging field, relate to a kind of fly press specifically.
Background technology
Traditional friction screw press respectively arranges a friction pulley in flywheel both sides, one for depressing slide block, another is for promoting slide block.In forging and stamping process, two friction pulley alternating actions, when pressure friction pulley compresses flywheel, promote friction pulley simultaneously and depart from flywheel, flywheel band movable slider carries out descending forging and stamping; When lifting friction pulley compresses flywheel, and depress friction pulley disengaging flywheel, flywheel rotates in the opposite direction, and is with movable slider to go up.The defect of the friction pulley of this form is, because the friction pulley of each all sides is to flywheel generation effect, have very large side force, the copper nut well damage on screw rod, and forging ability is also low.
There is again a kind of fly press of improvement afterwards, saw that publication number was the Chinese invention patent of CN101244635A.This fly press comprises four friction pulleys, two positions be arranged symmetrically in relative to flywheel top, another two positions be arranged symmetrically in bottom relative to flywheel.When slide block is wanted descending, above two friction pulleys compress flywheel simultaneously, make it rotate towards a direction, and when slide block gos up, above two friction pulleys disengaging flywheels, below two friction pulleys compression flywheels, make it rotate in the opposite direction.The friction pulley of the same side is homodromal, and connected by a lever, the center of lever is fulcrum, and lever is also provided with an oil cylinder or cylinder, and piston produces displacement, and lever can be made to rotate around fulcrum, thus realizes the manipulation to upper and lower two friction pulleys.Although this structure solves the problem of above-mentioned side force, obviously also bring new defect, first, the quantity of friction pulley increases to some extent, and cost improves, and takes up room, secondly, the both bad operations of lever-oil cylinder (cylinder) mechanism, also unstable.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of fly press, in forcing press forging process, can avoid producing side force, simultaneously compact conformation, and can control friction pulley well, overcome the defect existed in prior art.
The present invention is by the following technical solutions:
A kind of fly press, comprise flywheel, described flywheel is connected with slide block by screw pair, described flywheel is provided with the first edge, second edge, the first end of described first edge and the first friction pulley is oppositely arranged, the first end of described second edge and the second friction pulley is oppositely arranged, the center of the second end of described first friction pulley is provided with rotating shaft, described rotating shaft is connected with the first cylinder body seal, the first response agency is established between described rotating shaft and the first cylinder body, the first end of described first friction pulley is also provided with the chamber as the second cylinder body, second end of described second cylinder body and described second friction pulley is tightly connected, described second friction pulley rotates with the first friction pulley, the second response agency is provided with between second friction pulley and the first friction pulley.
Further, described spindle central is provided with first passage, and the second end of described first friction pulley is provided with second channel, and the second end of described first friction pulley is covered with seal cover, and the chamber in described first friction pulley, second channel are communicated with first passage.
Further, described flywheel comprises flywheel body, and described first edge, the second edge are bottom flywheel body and the top bead of radially giving prominence to.
Further, during original state, the end face of the first end of the first friction pulley than the end face of the first end of the second friction pulley closer to flywheel.
Further, the first end of described second friction pulley is provided with periphery, and described periphery and the chamber inner wall of described first friction pulley are that key is connected.
Further, described rotating shaft is connected with frame by clutch shaft bearing diametrically, and described first cylinder body is fixed in frame, and establish piston in described first cylinder body, described piston and rotating shaft are also provided with the second bearing diametrically.
Further, described first response agency comprises the first spring, and described first spring is axially arranged along rotating shaft, and one end of the first spring is connected with described frame, when rotating shaft is moved to flywheel vertically, and described first spring stress compression.
Further, described second response agency comprises the second spring, bolt, described second spring housing is on described bolt, one end of described bolt is fixed in the first end of the second friction pulley, the other end is in the second end of the first friction pulley, and being provided with nut, described second spring one end contacts with the first friction pulley, and the other end contacts with nut.
Further, also comprise control unit, described control unit is responsible for producing pressure, in the chamber by first passage, second channel to the first friction pulley, promotes the second friction pulley.
The fly press that the present invention relates to is owing to having established friction drive device in bilateral symmetry, and when friction pulley compresses flywheel, flywheel symmetry is stressed, protects screw rod like this.The design of first, second friction pulley makes compact conformation, simultaneously first, second cylinder body of ingehious design, and achieving first, second friction pulley can rotate simultaneously, and the second friction pulley can move axially relative to the first friction crop rotation again.From above content, friction drive device of the present invention can be even numbers, is arranged symmetrically in the both sides of fly press.
Accompanying drawing explanation
Fig. 1 is the structural representation of the fly press that the present invention relates to.
Fig. 2 is the magnified partial view of Fig. 1.
Detailed description of the invention
See Fig. 1, it is the structural representation of fly press that the present invention relates to.Comprise the flywheel 1 horizontally rotated, described flywheel 1 connecting screw rod 30, the nut 29 in screw rod 30 and slide block 31 forms screw pair.The bilateral symmetry of flywheel 1 arranges friction drive device, is installed in frame 21.
See Fig. 2, it is the magnified partial view of Fig. 1.Described flywheel 1 comprises flywheel body 2, and body 2 outer face is provided with the first edge 4, edge 3, second.Be so specifically, described first edge 4, edge 3, second is bottom flywheel body 2 and the top bead of radially giving prominence to.Flywheel 1 is as follows with the position of the friction pulley 5,6 in friction drive device: the first end 7 of described first edge 3 and the first friction pulley 5 is oppositely arranged, and the first end 9 of described second edge 4 and the second friction pulley 6 is oppositely arranged.Here, the second end 8 of the first friction pulley 5 to be first end 7, first friction pulley 5 of the first friction pulley 5 near the part of flywheel 1 away from the part of flywheel 1 be the first friction pulley 5; Similarly, the second end 8 of the second friction pulley 6 to be first end 7, second friction pulley 6 of the first friction pulley 5 near the part of flywheel 1 away from the part of flywheel 1 be the first friction pulley 5.Second friction pulley 6 is embedded in the first friction pulley 5, and two friction pulleys 5,6 and flywheel 1 stagger to arrange.The center of the second end 8 of described first friction pulley 5 is provided with rotating shaft 11, first friction pulley 5 and is fixedly connected with described rotating shaft 11, and rotating shaft 11 both can rotate, and also can move axially along rotating shaft 11, so just achieved rotation and the translation of the first friction pulley 5.
First friction pulley 5 contacts with the first edge 3 of flywheel 1 and the second friction pulley 6 contacts with the second edge 4 of flywheel 1, and flywheel 1 can be made to produce rightabout rotation.This is because first, second friction pulley 5,6 is at two friction pulley 5,6 centers of mistake with the contact point of flywheel 1, and on the straight line of 180 degree.Therefore rightabout revolving force can be produced.
Described rotating shaft 11 is connected with frame 21 by clutch shaft bearing 15 diametrically, and preferably, clutch shaft bearing 15 is cylinder ball bearing.As seen from the figure, clutch shaft bearing 15 has two, is arranged on the both sides of frame 21, supporting revolving shaft 11.The rotation of rotating shaft 11 is driven by external driving mechanism, can be motor specifically, and bring conveying by transmission.Rotating shaft 11 motion can not have influence on frame 21.Described rotating shaft 11 is also tightly connected with the first cylinder body 12, and in the present embodiment, the first cylinder body 12 is cylinder.Described first cylinder body 12 is fixed in frame 21, and establish piston in described first cylinder body 12, described piston and rotating shaft 11 are also provided with the second bearing 16 diametrically.When piston in the first cylinder body 12 along A shown in Fig. 1 to moving, described piston is by the second bearing 16 in rotating shaft 11 described in power transfer tape, and thus drive rotating shaft 11 to move vertically, and the first friction pulley 5 also moves thereupon.
The first response agency is established between described rotating shaft 11 and the first cylinder body 12.So specifically, described first response agency comprises the first spring 19, described first spring 19 is axially arranged along rotating shaft 11, one end of first spring 19 is connected with described frame 21, and the other end connects the 3rd bearing 18, preferably, 3rd bearing 18 adopts plain thrust bearing, 3rd bearing 18 is installed on a bearing block 17, and the 3rd bearing 18, bearing block 17 are all enclosed within rotating shaft 11, and bearing block 17 is fixedly connected with rotating shaft 11.When the piston is moving, rotating shaft 11 is moved to flywheel 1 vertically on the one hand, and bearing block 17 promotes the 3rd bearing 18 and extrudes the first spring 19 on the other hand simultaneously, and described first spring 19 can forced compression.
The first end 7 of described first friction pulley 5 is also provided with the chamber as the second cylinder body 13, and described second cylinder body 13 is tightly connected with the second end 10 of described second friction pulley 6, and in the present embodiment, the second friction pulley 6 is connected with the second cylinder body 13 by sealing ring 27.Described second friction pulley 6 rotates with the first friction pulley 5.Meanwhile, the first end 9 of described second friction pulley 6 is provided with periphery, and described periphery is that key is connected with the chamber inner wall of described first friction pulley 5, therefore also produces axial relative motion between first, second friction pulley 5,6.Preferably, flat key is adopted to connect 28.
The second response agency is provided with between described second friction pulley 6 and the first friction pulley 5.Described second response agency comprises the second spring 20, bolt 23, described second spring 20 is enclosed within described bolt 23, one end of described bolt 23 is fixed in the first end 9 of the second friction pulley 6, in the endoporus of the other end on the second end 8 of the first friction pulley 5, and be provided with nut 22, described second spring 20 one end contacts with the first friction pulley 5, and the other end contacts with nut 22.When the second friction pulley 6 produces axial displacement relative to the first friction pulley 5, the second spring 20 forced compression.
Described rotating shaft 11 center is provided with first passage 24, and preferably, in the present embodiment, described first passage 24 is pore.Second end 8 of described first friction pulley 5 is provided with second channel 25, similarly, second channel 25 can be pore, and the second end 8 of described first friction pulley 5 is covered with seal cover 26, and the chamber in described first friction pulley 5, second channel 25 are communicated with first passage 24.Frame 21 is outer is also provided with control unit, and described control unit is responsible for producing pressure, as shown in Figure 2, pressure is from first passage 24 entrance B to entering, in the direction of the arrow, in the chamber by first passage 24, second channel 25 to the first friction pulley 5, the second friction pulley 6 is promoted.
The operation principle of the fly press that following introduction the present invention relates to:
During original state, the end face of the first end 7 of the first friction pulley 5 than the end face of the first end 9 of the second friction pulley 6 closer to flywheel 1.Because friction drive device is respectively established in frame 21 both sides, the direction of rotation of both sides friction pulley is reverse.Now for the friction drive device of side, electric motor starting, driving-belt work, makes rotating shaft 11 rotate.Piston moves in the first cylinder body 12, by the second bearing 16, rotating shaft 11 is moved vertically towards flywheel 1, until the first end 7 of the first friction pulley 5 touches the first edge 3 of flywheel 1, and flywheel driven 1 rotates.Due to now, the end face of the first end 9 of the second friction pulley 6 does not also encounter the second edge 4 of flywheel 1, and therefore only have the first friction pulley 5 (and with form of symmetry) to compress flywheel 1, flywheel 1 rotates, and slide block 31 moves downward.Now, Sports band moving axis bearing 17 translation together of rotating shaft 11, the first spring 19 forced compression.
When slide block 31 goes downwards to certain position, piston stops power transmission, and rely on the return action of the first spring 19, the 3rd bearing 18, bearing block 17 return, and drives rotating shaft 11 to move axially in the opposite direction, can initial position by piston top.First friction pulley 5, second friction pulley 6 also returns simultaneously, and the first friction pulley 5 departs from flywheel 1.Treat that slide block 31 speed is zero, complete downward storke.
Then, control unit works, air pressure arrives the chamber of the first friction pulley 5 by first passage 24, second channel 25, and the second cylinder body 13 works, and now the second end 10 of the second friction pulley 6 serves as piston, second friction pulley 6 does relative motion (the first friction pulley 5 does not do axial displacement) relative to the first friction pulley 5, until the first end 9 of the second friction pulley 6 touches the second edge 4 of flywheel 1, equally, flywheel 1 is compressed, flywheel 1 rotates in the opposite direction, and slide block 31 moves upward.
When slide block 31 is up to certain displacement, control unit stops conveying air pressure, and rely on the return action of the second spring 20, bolt 23, second friction pulley 6 returns, and the second friction pulley 6 departs from flywheel 1, until get back to the original state in the first friction pulley 5.Treat that slide block 31 speed is zero, complete up stroke.
First, second first, second friction pulley 5,6 of cylinder body 12,13 blocked operation, defines the course of work of the fly press that the present invention relates to.
Claims (9)
1. a fly press, comprise flywheel (1), described flywheel (1) is connected with slide block (31) by screw pair, it is characterized in that: described flywheel (1) is provided with the first edge (3), second edge (4), described first edge (3) is oppositely arranged with the first end (7) of the first friction pulley (5), described second edge (4) is oppositely arranged with the first end (9) of the second friction pulley (6), the center of second end (8) of described first friction pulley (5) is provided with rotating shaft (11), described rotating shaft (11) and the first cylinder body (12) are tightly connected, the first response agency is established between described rotating shaft (11) and the first cylinder body (12), the first end (7) of described first friction pulley (5) is also provided with the chamber as the second cylinder body (13), described second cylinder body (13) is tightly connected with second end (10) of described second friction pulley (6), described second friction pulley (6) is rotated with the first friction pulley (5), the second response agency is provided with between second friction pulley (6) and the first friction pulley (5).
2. fly press according to claim 1, it is characterized in that: described rotating shaft (11) center is provided with first passage (24), second end (8) of described first friction pulley (5) is provided with second channel (25), and second end (8) of described first friction pulley (5) is covered with seal cover (26), the chamber in described first friction pulley (5), second channel (25) are communicated with first passage (24).
3. fly press according to claim 1, it is characterized in that: described flywheel (1) comprises flywheel body (2), described first edge (3) is that the second edge (4) are the bead of radially giving prominence to from flywheel body (2) top from the radially outstanding bead in flywheel body (2) bottom.
4. fly press according to claim 1, it is characterized in that: during original state, the end face of the first end (7) of the first friction pulley (5) than the end face of the first end (9) of the second friction pulley (6) closer to flywheel (1).
5. fly press according to claim 1, it is characterized in that: the first end (9) of described second friction pulley (6) is provided with periphery, described periphery is that key is connected with the chamber inner wall as the second cylinder body (13) on the first end (7) of described first friction pulley (5).
6. fly press according to claim 1, it is characterized in that: described rotating shaft (11) is connected with frame (21) by clutch shaft bearing (15) diametrically, described first cylinder body (12) is fixed in frame (21), establish piston in described first cylinder body (12), described piston and rotating shaft (11) are also provided with the second bearing (16) diametrically.
7. fly press according to claim 6, it is characterized in that: described first response agency comprises the first spring (19), described first spring (19) is axially arranged along rotating shaft (11), one end of first spring (19) is connected with described frame (21), when rotating shaft (11) is mobile to flywheel (1) vertically, described first spring (19) forced compression.
8. fly press according to claim 1, it is characterized in that: described second response agency comprises the second spring (20), bolt (23), described second spring (20) is enclosed within described bolt (23), one end of described bolt (23) is fixed in the first end (9) of the second friction pulley (6), the other end is in second end (8) of the first friction pulley (5), and be provided with nut (22), described second spring (20) one end contacts with the first friction pulley (5), and the other end contacts with nut (22).
9. fly press according to claim 2, it is characterized in that: also comprise control unit, described control unit is responsible for producing pressure, by first passage (24), second channel (25) in the chamber of the first friction pulley (5), promote the second friction pulley (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210085244.5A CN103357807B (en) | 2012-03-27 | 2012-03-27 | Friction screw press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210085244.5A CN103357807B (en) | 2012-03-27 | 2012-03-27 | Friction screw press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103357807A CN103357807A (en) | 2013-10-23 |
| CN103357807B true CN103357807B (en) | 2015-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210085244.5A Active CN103357807B (en) | 2012-03-27 | 2012-03-27 | Friction screw press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103357807B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108215313A (en) * | 2018-04-03 | 2018-06-29 | 青岛宏达锻压机械有限公司 | Fly press brakes sensitive reliable brake system |
| CN111376372B (en) | 2020-02-18 | 2021-02-26 | 青岛理工大学 | Powder dry pressing forming device and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3426574A (en) * | 1965-11-16 | 1969-02-11 | Chepos Z Chemickeho A Potravin | Percussion press |
| US4062284A (en) * | 1975-10-27 | 1977-12-13 | Hiroyasu Shiokawa | Friction press |
| DE3022516A1 (en) * | 1980-06-16 | 1982-01-14 | Otto Dr.-Ing. 5805 Breckerfeld Georg | Direct drive system for friction plate transmission - is used for e.g. in spindle press and has side friction plates carried by motor shaft |
| US4606217A (en) * | 1983-12-22 | 1986-08-19 | Eumuco Aktiengesellschaft Fur Maschinenbau | Screw press having a shifting coupling and a continuously rotating flywheel |
| CN101244635A (en) * | 2007-02-14 | 2008-08-20 | 上海运良锻压机床有限公司 | Drive mechanism of four-wheel friction screw press |
| CN202527641U (en) * | 2012-03-27 | 2012-11-14 | 上海运良锻压机床有限公司 | Friction screw press |
-
2012
- 2012-03-27 CN CN201210085244.5A patent/CN103357807B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3426574A (en) * | 1965-11-16 | 1969-02-11 | Chepos Z Chemickeho A Potravin | Percussion press |
| US4062284A (en) * | 1975-10-27 | 1977-12-13 | Hiroyasu Shiokawa | Friction press |
| DE3022516A1 (en) * | 1980-06-16 | 1982-01-14 | Otto Dr.-Ing. 5805 Breckerfeld Georg | Direct drive system for friction plate transmission - is used for e.g. in spindle press and has side friction plates carried by motor shaft |
| US4606217A (en) * | 1983-12-22 | 1986-08-19 | Eumuco Aktiengesellschaft Fur Maschinenbau | Screw press having a shifting coupling and a continuously rotating flywheel |
| CN101244635A (en) * | 2007-02-14 | 2008-08-20 | 上海运良锻压机床有限公司 | Drive mechanism of four-wheel friction screw press |
| CN202527641U (en) * | 2012-03-27 | 2012-11-14 | 上海运良锻压机床有限公司 | Friction screw press |
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| Publication number | Publication date |
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| CN103357807A (en) | 2013-10-23 |
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