CN201455163U - Safety protection structure of forging press balance cylinder - Google Patents
Safety protection structure of forging press balance cylinder Download PDFInfo
- Publication number
- CN201455163U CN201455163U CN2009200873002U CN200920087300U CN201455163U CN 201455163 U CN201455163 U CN 201455163U CN 2009200873002 U CN2009200873002 U CN 2009200873002U CN 200920087300 U CN200920087300 U CN 200920087300U CN 201455163 U CN201455163 U CN 201455163U
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- CN
- China
- Prior art keywords
- cylinder
- forging press
- loam cake
- base
- compensating cylinder
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- 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 - Lifetime
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Abstract
The utility model relates to a safety protection structure of forging press balance cylinder, including the tie bolt of connecting balance cylinder upper cover and base, characterized by is equipped with the cushion ring between upper cover and tie bolt, by bolted connection between balance cylinder liner and base and the upper cover, the total destructive power of all bolts between upper cover and the balance cylinder liner is greater than the total destructive power of all bolts between balance cylinder liner and the base. The structure can obviously improve the safety protection performance of the balance cylinder of the forging press.
Description
Technical field
The utility model relates to the safety protection structure of forging press compensating cylinder, belongs to the metal forming machinery technical field.
Background technology
Forging press is the mechanical production devices of using always, and its security is particularly important, and in the forging press course of work, the security of compensating cylinder parts plays an important role to the security of whole forging press.If the security of compensating cylinder parts is not enough, in case after forging press generation rod fracture or piston take off the situation of cylinder, will serious consequence occur.In order to guarantee the security of compensating cylinder parts, commonly used is by the oversize piston shank diameter, and bonding strength guarantees its security between reinforcement piston rod and the piston, but still can not avoid taking off the cylinder accident fully, as shown in Figure 1, be connected with turnbuckle between tradition forging press compensating cylinder loam cake and the base, will be after compensating cylinder rod fracture or piston disengaging fast to upper punch, contact with the compensating cylinder loam cake, this moment is because the compressed air in the compensating cylinder cylinder body has been assembled lot of energy, under its impact force action, be easy to the compensating cylinder loam cake is washed open, cause serious accident.
The utility model content
The purpose of this utility model is in order to solve the deficiency that the above-mentioned background technology exists, to propose a kind of safety protection structure that can improve the forging press compensating cylinder of forging press compensating cylinder parts security protection performance.
For achieving the above object, the utility model adopts following technical scheme: the safety protection structure of forging press compensating cylinder, comprise the turnbuckle that connects compensating cylinder loam cake and base, it is characterized in that, between loam cake and turnbuckle, be provided with the buffering gasket ring, be connected by bolt between dummy cylinder and base and the loam cake, total destructive power of all bolts is greater than total destructive power of all bolts between dummy cylinder and the base between loam cake and the dummy cylinder.
In such scheme, between described loam cake and the dummy cylinder between total Fracture Force F1 of all attachment bolts and dummy cylinder and the base relation of total Fracture Force F2 of all connecting bolts be: F1 〉=3 * (F2+ dummy cylinder gravity+loam cake gravity).
In such scheme, described buffering gasket ring adopts polyurethane-1 material, and all buffering gasket ring total buffers absorb energy ability Ek requirement and are: theoretical lifting force * (forging press ram travel S+ balance set and the base engagement height H+ exhaust clearance L) of Ek 〉=compensating cylinder.
In such scheme, described all buffering gasket ring proof resiliences requirements are: the theoretical lifting force of compensating cylinder/all buffering gasket ring proof resilience coefficient 〉=dummy cylinder and base engagement height H+ exhaust clearance L.
In such scheme, the theoretical lifting force of the total stretching resistance F3 of all turnbuckles of described loam cake periphery 〉=3 * compensating cylinder.
In such scheme, theoretical lifting force * (forging press ram travel S+ balance set and the base engagement height H+ exhaust clearance L) of the total impact resistance AK of the turnbuckle of described loam cake periphery 〉=3 * compensating cylinder.
In such scheme, all bolts can couple together with iron wire between dummy cylinder and the base.
Operation principle of the present utility model is: after fracture of forging press compensating cylinder load condition lower piston rod or piston disengagement generation, it is up that piston is compressed air push, contact with the compensating cylinder loam cake, under its impact force action, the attachment bolt that loam cake drive cylinder body is broken cylinder body and base continues up, have the urethane pad of high shock-absorbing capacity in compression after, compressed air in the cylinder body is emitted between cylinder body and base, discharge the big energy of savings, energy remaining is absorbed by urethane pad, stop at last, to avoid part to fly out and cause operation and personnel's personal injury on every side, thereby play good security protection effect. the attachment bolt of fracture is owing to the effect that is connected iron wire is unlikely to fly up.
The utility model can significantly improve the security protection performance of forging press compensating cylinder.
Description of drawings
Fig. 1 is traditional forging press compensating cylinder structural representation.
Fig. 2 is the described forging press compensating cylinder of a present embodiment safeguard construction schematic diagram.
Fig. 3 is fast to the upper punch schematic diagram after compensating cylinder rod fracture or piston break away from.
Fig. 4 is that the piston of quick upper punch promotes the compensating cylinder loam cake, and first attachment bolt between cylinder sleeve and the base is broken schematic diagram.
Fig. 5 is that piston 5, loam cake 3, cylinder sleeve 2 are up together, behind the compression buffering gasket ring 7 compressed air in the cylinder is discharged from cylinder bottom, cuts off the energy supplement schematic diagram.
The specific embodiment:
Below in conjunction with accompanying drawing the utility model is further described.
Referring to Fig. 2 to Fig. 5, present embodiment comprises the turnbuckle 6 that connects compensating cylinder loam cake and base, between the upper surface of loam cake 3 and turnbuckle 6, be provided with buffering gasket ring 7, buffering gasket ring 7 adopts polyurethane-1 material to make, be connected by first attachment bolt 8 between cylinder sleeve 2 and the base 4, be connected by second attachment bolt 9 between dummy cylinder 2 and the loam cake 3, total destructive power of all second attachment bolts 9 is greater than total destructive power of all first attachment bolts 8 between dummy cylinder and the base between loam cake and the dummy cylinder.
During forging press work, compensating cylinder piston rod 1 pumps with forging press slide block 11, sees Fig. 2.After 1 fracture of compensating cylinder piston rod or piston 5 disengagings,, see Fig. 3 fast to upper punch; The piston 5 of upper punch promotes compensating cylinder loam cake 3 fast, and first attachment bolt 8 between cylinder sleeve 2 and the base 4 is broken; Piston 5, loam cake 3, cylinder sleeve 2 continue up together, behind the compression buffering gasket ring 7 compressed air in the cylinder are discharged from cylinder bottom exhaust clearance L, cut off energy supplement.Buffering gasket ring 7 absorbs the dump energy of piston, loam cake and cylinder sleeve, and it is finally stopped on the equipment, realizes function of safety protection.
Each security protection element function described in the utility model and dimensional requirement following (with reference to figure 5):
1, between loam cake and the dummy cylinder between total Fracture Force F1 of all second attachment bolts 9 and dummy cylinder and the base relation of total Fracture Force F2 of all first attachment bolts 8 be: F1 〉=3 * (F2+ dummy cylinder gravity+loam cake gravity), in case can guarantee to take place piston like this rushes to summit and at first the attachment bolt of bottom can be broken, make cylinder body up, rather than earlier the attachment bolt on top is broken.Certain evenly fastening and take reliably locking when requiring the attachment bolt on top to install;
2, buffering gasket ring 7 adopts polyurethane-1 material, its total buffer absorbs energy ability Ek requirement: theoretical lifting force * (forging press slide block 11 stroke S+ dummy cylinders and the base engagement height H+ exhaust clearance L) of Ek 〉=compensating cylinder, and can guarantee to cushion gasket ring like this can all absorb the impact energy of piston;
3, all buffering gasket ring 7 proof resiliences requirements are: compensating cylinder lifting force/buffering gasket ring proof resilience coefficient 〉=dummy cylinder and base engagement height H+ exhaust clearance L, can guarantee to cushion gasket ring compression back balance cylinder body like this can break away from base, and the compressed air in the cylinder body is all discharged rapidly;
4, the total stretching resistance F3 of the turnbuckle of loam cake periphery 〉=3 * compensating cylinder lifting force;
5, theoretical lifting force * (forging press ram travel S+ balance set and the base engagement height H+ exhaust clearance L) of turnbuckle 6 total impact resistance AK of loam cake periphery 〉=3 * compensating cylinder., turnbuckle 6 can not rupture in the time of can guaranteeing like this that piston takes place rushes to summit, and upper parts can not cause surrounding population to come to harm by separation instrumentation.
6, the compensating cylinder base and and cylinder sleeve between exhaust clearance L can set by the designer according to the concrete specification of compensating cylinder, guarantee that the exhaust passage is enough big, exhaust clearance L generally is not less than 15mm.
In the drawings, piece number 10 is an air inlet, and N is the rod fracture place.
Claims (7)
1. the safety protection structure of forging press compensating cylinder, comprise the turnbuckle that connects compensating cylinder loam cake and base, it is characterized in that, between loam cake and turnbuckle, be provided with the buffering gasket ring, be connected by bolt between dummy cylinder and base and the loam cake, total destructive power of all bolts is greater than total destructive power of all bolts between dummy cylinder and the base between loam cake and the dummy cylinder.
2. the safety protection structure of forging press compensating cylinder according to claim 1 is characterized in that the relation of total Fracture Force F2 of all connecting bolts between total Fracture Force F1 of all attachment bolts between described loam cake and the dummy cylinder and dummy cylinder and the base is: F1 〉=3 * (F2+ dummy cylinder gravity+loam cake gravity).
3. the safety protection structure of forging press compensating cylinder according to claim 1, it is characterized in that described buffering gasket ring adopts polyurethane-1 material, all buffering gasket ring total buffers absorb energy ability Ek requirement and are: theoretical lifting force * (forging press ram travel S+ balance set and the base engagement height H+ exhaust clearance L) of Ek 〉=compensating cylinder.
4. the safety protection structure of forging press compensating cylinder according to claim 1 is characterized in that described all buffering gasket ring proof resiliences require to be: the theoretical lifting force of compensating cylinder/all buffering gasket ring proof resilience coefficient 〉=dummy cylinder and base engagement height H+ exhaust clearance L.
5. the safety protection structure of forging press compensating cylinder according to claim 1 is characterized in that the total stretching resistance F3 of all turnbuckles of described loam cake periphery 〉=3 times of theoretical lifting forces of compensating cylinder.
6. the safety protection structure of forging press compensating cylinder according to claim 1 is characterized in that theoretical lifting force * (forging press ram travel S+ balance set and the base engagement height H+ exhaust clearance L) of the total impact resistance AK of turnbuckle of described loam cake periphery 〉=3 * compensating cylinder.
7. according to the safety protection structure of the described forging press compensating cylinder of arbitrary claim in the claim 1 to 6, it is characterized in that all bolts couple together with iron wire between dummy cylinder and the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200873002U CN201455163U (en) | 2009-07-14 | 2009-07-14 | Safety protection structure of forging press balance cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200873002U CN201455163U (en) | 2009-07-14 | 2009-07-14 | Safety protection structure of forging press balance cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201455163U true CN201455163U (en) | 2010-05-12 |
Family
ID=42382513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200873002U Expired - Lifetime CN201455163U (en) | 2009-07-14 | 2009-07-14 | Safety protection structure of forging press balance cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201455163U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103101211A (en) * | 2012-12-07 | 2013-05-15 | 苏州蓝王机床工具科技有限公司 | Balance cylinder mechanism of press |
| CN103963336A (en) * | 2013-01-24 | 2014-08-06 | 韩林元 | Lifting mechanism for friction screw press |
-
2009
- 2009-07-14 CN CN2009200873002U patent/CN201455163U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103101211A (en) * | 2012-12-07 | 2013-05-15 | 苏州蓝王机床工具科技有限公司 | Balance cylinder mechanism of press |
| CN103963336A (en) * | 2013-01-24 | 2014-08-06 | 韩林元 | Lifting mechanism for friction screw press |
| CN103963336B (en) * | 2013-01-24 | 2015-12-23 | 韩林元 | Friction screw press hoisting mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: DONGFENG FORGING Co.,Ltd. Assignor: DONGFENG MOTER Co.,Ltd. Contract record no.: 2010420000189 Denomination of utility model: Safety protection structure for forging machine balance cylinder Granted publication date: 20100512 License type: Exclusive License Record date: 20101228 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100512 |
|
| CX01 | Expiry of patent term |