CN2288064Y - Stepless clutching emergent brake for rigid clutch press - Google Patents
Stepless clutching emergent brake for rigid clutch press Download PDFInfo
- Publication number
- CN2288064Y CN2288064Y CN 96250011 CN96250011U CN2288064Y CN 2288064 Y CN2288064 Y CN 2288064Y CN 96250011 CN96250011 CN 96250011 CN 96250011 U CN96250011 U CN 96250011U CN 2288064 Y CN2288064 Y CN 2288064Y
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- CN
- China
- Prior art keywords
- rolling member
- clutch
- stepless
- emergency braking
- braking apparatus
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- Expired - Fee Related
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Abstract
The utility model provides a stepless clutching emergent braking device for a rigid clutch press. The device can be installed at the position of an axial center outside a driving gearwheel of a press. The device comprises an electromagnetic clutch of a non-excitation type, a turn key manipulator, a driving axle and a bracket, wherein, one end of the bracket is fixedly connected with the body of the press, and the other end of the bracket is sheathed on one end cover of the driving gearwheel through a bearing. The device can realize the stepless clutching of a rigid clutch under the control of a control device or a control circuit of the press, can ideally implement emergent braking for a crankshaft and a sliding block, and can decrease the cost for the safety reconstruction of the press.
Description
The utility model relates to a kind of emergency braking apparatus, particularly relates to a kind of stepless clutch emergency braking apparatus that is used for rigid clutch pressing machine.
The safety problem one of rigid clutch pressing machine is to noticeable.Because old-fashioned rigid clutch pressing machine can only be stopped once at top dead-centre in a press work circulation, can not brake at an arbitrary position, therefore causes personal injury accidents easily midway.In order to guarantee safety in production, the trial of the positive clutch of many improvement forcing presses has been arranged, so that when unexpected situation occurs, clutch can be separated immediately, and then make the workpiece braking rapidly at any time that comprises bent axle, slide block etc.
Wherein, the technical scheme that the ZL90103558.0 patent of invention discloses has successfully solved positive clutch rapid at an arbitrary position problem of separating under powering-off state of forcing press, and easy accessibility.But still there is following defective in this scheme, and promptly the braking energy that can contribute of the safety device of making by this scheme itself is less, and the original arrestment mechanism of the main depended on pressure machine of braking energy provides, so state that need the original arrestment mechanism of adjustment; Otherwise, will increase an arrestment mechanism again, thereby improve the cost that the forcing press safe is transformed.
The purpose of this utility model is on the basis of ZL90103558.0 patent of invention, a kind of stepless clutch emergency braking apparatus that is used for rigid clutch pressing machine simple in structure, easy-to-install is provided, it can separate principal and subordinate's part of positive clutch at an arbitrary position rapidly, again can brake hard bent axle and slide block, and can further reduce the cost that the forcing press safe is transformed.
For achieving the above object, the utility model provides a kind of stepless clutch emergency braking apparatus that is used for rigid clutch pressing machine, this device is mounted in the place, axle center, the transmission gear wheel outside of forcing press, and it comprises that a no excitation action type electromagnetic clutch, a turn key executor, a power transmission shaft and one one end are fixedly connected on the forcing press lathe bed and the other end is contained in the support on the end cap of described transmission gear wheel by bearing holder (housing, cover).Described electromagnetic clutch and static friction sheet thereof and described support are fixedly connected, and its movable friction plate sky is enclosed within on the power transmission shaft, and its driver blade is between static friction sheet and the movable friction plate and is fixedly connected on an end of power transmission shaft.Described turn key executor comprises: a control cam, and it is fixedly connected on the other end of described power transmission shaft; One slide plate, its two ends have slideway and driving groove respectively; One slide block, its two ends respectively are embedded with a rolling member, and one of them rolling member matches with the control cam, and slide block is slided until another rolling member with the contact of transmission gear wheel end cap inwall or separate along the slideway of control working curved surface of cam and slide plate; One connects the spring of control cam and slide plate; One with the drive block of the turn key close-coupled of positive clutch, its end is embedded with a rolling member, this rolling member is in the described driving groove.
The operation principle of this device is, when electromagnetic clutch is switched on, its dynamic and static friction plate separates, the control cam of its driver blade and power transmission shaft, turn key executor all is released, under the effect of spring, the control cam turns over an angle slightly, and slide block promptly disengages along the inwall of slideway falling with transmission gear wheel end cap, turn key enters the keyway of transmission gear wheel immediately under the effect of its tailgate extension spring, press ram just can operate as normal.
When forcing press control device or control circuit send brake signal, or during the power interruptions fault, the electromagnetic clutch dead electricity, moving of it, the engagement of static friction sheet, driver blade, the control cam is by stop, because turn key is still in keyway, it can promote slide plate by rolling member on the drive block and the driving groove on the slide plate and continue to trackslip along turning to of bent axle, promoting slide block simultaneously slides to transmission gear wheel end cap rapidly along working curved surface and the slideway of control cam and no longer trackslips until contact the pinning slide plate with its inwall, at this moment, under the interaction of the rolling member on driving groove and the drive block, turn key rapidly withdraws from keyway and resets, and then bent axle and slide block are braked rapidly.
No excitation action type electromagnetic clutch in the stepless clutch emergency braking apparatus of the present utility model can replace with electricity loss brake.
The support in the stepless clutch emergency braking apparatus of the present utility model and the fixing point of forcing press lathe bed can be chosen in the axle head of drive pinion, fixedly connected with fixed axis by coupling block.
Transmission gear wheel end cap inwall in the stepless clutch emergency braking apparatus of the present utility model steel bushing that can closely cooperate contacts by the slide block of steel bushing with the turn key executor.
Various rolling members in the stepless clutch emergency braking apparatus of the present utility model can adopt roller whole or in part.
Various rolling members in the stepless clutch emergency braking apparatus of the present utility model can adopt rolling bearing whole or in part.
Understand technical staff of the present utility model and can also make all other different variations according to actual needs.
The advantage of stepless clutch emergency braking apparatus of the present utility model is tangible, can know from said structure and operation principle, it has utilized the original architectural feature of forcing press turn key dexterously, kinetic energy with the transmission gear wheel, reached and under powering-off state, quickened stepless separation positive clutch, the purpose of brake hard bent axle and slide block.Thereby do not need to increase new arrestment mechanism, do not need to adjust especially the state of the original arrestment mechanism of forcing press yet.The cost of forcing press safe transformation has also further reduced certainly.
Fig. 1 is the scheme of installation according to the stepless clutch emergency braking apparatus that is used for rigid clutch pressing machine of the utility model one preferred embodiment;
Fig. 2 is the cutaway view of stepless clutch emergency braking apparatus among Fig. 1;
Fig. 3 is the cutaway view that installs among Fig. 2 along the A-A cross section;
Fig. 4 is the side scheme of installation of stepless clutch emergency braking apparatus among Fig. 1.
A preferred embodiment of the present utility model is described with reference to the accompanying drawings, with clearer understanding purpose of the present invention and feature.
Referring to Fig. 1 and Fig. 4, the stepless clutch emergency braking apparatus of the utility model one preferred embodiment is installed in axle center, the outside place of the transmission gear wheel 1 of rigid clutch pressing machine, comprises a no excitation action type electromagnetic clutch 5, turn key executor 3, a power transmission shaft 6 and a support 7 that is fixedly connected on fixing point 9a on the forcing press lathe bed 9 (being the axle head of drive pinion in the present embodiment) by coupling block 11 and fixed axis 12.
Referring to Fig. 2 and Fig. 3, support 7 is sleeved on the transmission gear wheel end cap 4 by bearing 10, and the inwall 4a of described end cap 4 goes up close-fitting and a steel bushing 4b.Electromagnetic clutch 5 and static friction sheet 5a thereof and support 7 are fixedly connected, and its movable friction plate 5b sky is enclosed within an end of power transmission shaft 6, and its driver blade 5c is between static friction sheet 5a and the movable friction plate 5b and is fixedly connected on the power transmission shaft 6.Turn key executor 3 comprises: a control cam 32, and it is fixedly connected on the other end of described power transmission shaft 6; One slide plate 33, its two ends have slideway 33a and driving groove 33b respectively; One slide block 34, its two ends have been embedded a rolling bearing 34a and a roller 34b respectively, roller 34b cooperates with control cam 32, make slide block under control cam 32 drives along the slideway 33a of slide plate 33 slide until rolling bearing 34a be closely tied in transmission gear wheel end cap 4 within the inwall of steel bushing 4b of wall 4a contact or separate; One connects the spring 35 of control cam 32 and slide plate 33; One with the drive block 31 of turn key 8 close-coupled of positive clutch, its end is embedded with a transmission roller 31a that can cooperate transmission with driving groove 33b.
When electromagnetic clutch 5 energisings, its movable friction plate 5b separates with static friction sheet 5a, its driver blade 5c and power transmission shaft 6, control cam 32 all are released, control cam 32 turns over an angle at the effect end of spring 35, slide block 34 promptly falls after rise with steel bushing 4b along slideway 33a and disengages, turn key 8 enters the keyway of transmission gear wheel 1 immediately under the effect of its tailgate extension spring, press ram just can operate as normal.
When forcing press control device or control circuit send brake signal, or during the power interruptions fault, electromagnetic clutch 5 dead electricity, its movable friction plate 5b and static friction sheet 5a engagement, driver blade 5c, control cam 32 is by stop, because turn key 8 is still in keyway, it promotes slide plate 33 by transmission roller 31a on the drive block 31 and the driving groove 33b on the slide plate 33 and continues to trackslip along turning to of bent axle 2, promoting slide block 34 simultaneously slides to steel bushing 4b rapidly along the control working curved surface 32a of cam 32 and slideway 33a and no longer trackslips until contact pinning slide plate 33 with steel bushing 4b, under the interaction of driving groove 33b and transmission roller 31a, turn key 8 rapidly withdraws from keyway and resets, and then bent axle 2 and slide block are braked rapidly.
Roller 34b described in the present embodiment and transmission roller 31a also can adopt the suitable components of rolling bearing and so on to replace whole or in part, and rolling bearing 34a also can adopt the parts of roller and so on to replace.
The concrete parameter of each part in the present embodiment, for example control the shape of the shape of the shape of working curved surface 32a of cam 32 and radius of curvature, slide plate 33 and driving groove 33b thereof and opening direction etc., should make corresponding variation according to the relevant parameter that adopts rigid clutch pressing machine of the present utility model, this is not difficult to realize for the those skilled in the art that understand and be familiar with operation principle of the present utility model.
Fixed form method in the present embodiment between each part or connected mode method, for example key connected mode or bearing connected mode or tight fit mode etc. are that the technical staff is familiar with, and are not difficult to make suitable selection.
In sum, stepless clutch emergency braking apparatus of the present utility model is owing to utilized the kinetic energy of original architectural feature of forcing press turn key and transmission gear wheel dexterously, both realized the stepless separation of positive clutch, realized startup and the brake hard at an arbitrary position of bent axle, slide block again, and simple in structure, dismounting maintenance is very convenient, cost also can reduce greatly, very helps original rigid clutch pressing machine is transformed into the safe pressure machine with outage emergency braking function.Simultaneously, because in the utility model design, the electromagnetic clutch power demand is less, therefore, it is again an energy-saving stepless clutch emergency braking apparatus.
Be understood that; though in conjunction with the accompanying drawings detailed description has been made in a preferred embodiment of the present invention above; but person skilled in the art can also make other changes and improvements in the scope that does not depart from essence of the present invention; for example; can or change other suitable rolling member into described roller or rolling bearing mutual alternative; but the changes and improvements that all these are of equal value all should fall into protection domain of the present utility model.
Claims (6)
1. stepless clutch emergency braking apparatus that is used for rigid clutch pressing machine, this device is mounted in the place, axle center, transmission gear wheel (1) outside of forcing press, it is characterized in that, it comprises a no excitation action type electromagnetic clutch (5), one turn key executor (3), one power transmission shaft (6), and one one end is fixedly connected on forcing press lathe bed (9) and the other end is sleeved on the support (7) on the end cap (4) of described transmission gear wheel (1) by bearing (10), described electromagnetic clutch (5) and static friction sheet (5a) thereof are fixedly connected with described support (7), its movable friction plate (5b) sky is enclosed within on the power transmission shaft (6), its driver blade (5c) is between static friction sheet (5a) and the movable friction plate (5b) and is fixedly connected on an end of power transmission shaft (6), described turn key executor (3) comprising: a control cam (32), and it is fixedly connected on the other end of described power transmission shaft (6); One slide plate (33), its two ends have slideway (33a) and driving groove (33b) respectively; One slide block (34), its two ends are embedded with rolling member (34a) and rolling member (34b), described rolling member (34b) matches with described control cam (32), and described slide block (34) is slided until described rolling member (34a) with transmission gear wheel end cap (4) inwall (4a) contact or separate along the working curved surface (32a) of described control cam (32) and described slideway (33a); One connects the spring (35) of described control cam (32) and slide plate (33); One with the drive block (31) of turn key (8) close-coupled of positive clutch, its end is embedded with rolling member (31a), this rolling member (31a) is in the described driving groove (33b).
2. stepless clutch emergency braking apparatus as claimed in claim 1 is characterized in that, can replace described electromagnetic clutch (5) with electricity loss brake.
3. stepless clutch emergency braking apparatus as claimed in claim 1 or 2 is characterized in that, described support (7) is fixedly connected on the axle head (9a) of forcing press drive pinion by coupling block (11) and fixed axis (12).
4. no clutch emergency braking apparatus as claimed in claim 1 or 2, it is characterized in that, the described transmission steel bushing (4b) that closely cooperates on the inwall (4a) of end cap (4) that cogs contacts with the described slide block (34) of described turn key executor (3) by described steel bushing (4b).
5. stepless clutch emergency braking apparatus as claimed in claim 1 is characterized in that, described rolling member (34a), rolling member (34b) and described rolling member (31a) can adopt rolling bearing whole or in part.
6. stepless clutch emergency braking apparatus as claimed in claim 1 is characterized in that, described rolling member (34a), rolling member (34b) and described rolling member (31a) can adopt roller whole or in part.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 96250011 CN2288064Y (en) | 1996-12-17 | 1996-12-17 | Stepless clutching emergent brake for rigid clutch press |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 96250011 CN2288064Y (en) | 1996-12-17 | 1996-12-17 | Stepless clutching emergent brake for rigid clutch press |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2288064Y true CN2288064Y (en) | 1998-08-19 |
Family
ID=33921261
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 96250011 Expired - Fee Related CN2288064Y (en) | 1996-12-17 | 1996-12-17 | Stepless clutching emergent brake for rigid clutch press |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2288064Y (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100412402C (en) * | 2004-01-14 | 2008-08-20 | 蒂姆肯公司 | An electro-mechanical mechanical gear selector |
-
1996
- 1996-12-17 CN CN 96250011 patent/CN2288064Y/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100412402C (en) * | 2004-01-14 | 2008-08-20 | 蒂姆肯公司 | An electro-mechanical mechanical gear selector |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |