CN202438566U - Squeezing gasket - Google Patents
Squeezing gasket Download PDFInfo
- Publication number
- CN202438566U CN202438566U CN2012200547274U CN201220054727U CN202438566U CN 202438566 U CN202438566 U CN 202438566U CN 2012200547274 U CN2012200547274 U CN 2012200547274U CN 201220054727 U CN201220054727 U CN 201220054727U CN 202438566 U CN202438566 U CN 202438566U
- Authority
- CN
- China
- Prior art keywords
- extruding
- cushion cover
- cushion block
- cushion
- pressure ram
- 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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Abstract
The utility model provides a squeezing gasket which comprises a fixing gasket sleeve and a squeezing cushion block. The fixing gasket sleeve is connected with a squeezing rod, and the squeezing cushion block is detachably inserted in the fixing gasket sleeve. The improved novel squeezing gasket has the advantages that the cushion block is mainly used and consumed, accordingly only the cushion block needs to be replaced regularly, material costs are saved, and the squeezing gasket is simple in structure and is replaced easily.
Description
Technical field
The utility model relates to the parts in the extruder, relates in particular to the extruding pad that cooperates with pressure ram in the extruder.
Background technology
The extruding pad is a kind ofly in recipient, pressure ram and ingot blank to be separated and transmit the compression tool that extruding force is used.The effect of extruding pad is the wearing and tearing that reduce the pressure ram end face, isolates the heat affecting of ingot blank to pressure ram, the protection pressure ram.
At present, the form of fixed press pad mainly contains two types in the extruding industry, and is a kind of for to be fixedly connected through screw syndeton and pressure ram; Another kind of for to be fixedly connected through plum blossoms block structure and pressure ram.Its agent structure of the pad of these two kinds of forms is the same basically, all is the stressing conditions through middle cushion block, changes the external diameter of dummy block main body, realizes the dummy block function.
But use this extruding pad to equipment moderate is had higher requirement, if the undesirable damage that is easy to cause the extruding pad influences squeezing effect.
Therefore, demand a kind of improved extruding pad urgently.
The utility model content
The purpose of the utility model is to provide a kind of extruding pad that can overcome above-mentioned defective.
To achieve these goals, the utility model provides a kind of extruding pad, and it comprises: fixing cushion cover interconnects with pressure ram; The extruding cushion block is plugged in said fixedly cushion cover removably.
Preferably; In the utility model; The said relatively fixedly cushion cover of said extruding cushion block can move to the second place from primary importance, and when said extruding cushion block was positioned at primary importance, said extruding cushion block can freely be plugged in or break away from said fixedly cushion cover; When said extruding cushion block was positioned at the second place, said extruding cushion block and said fixedly cushion cover interfixed.
More preferably, in the utility model, further comprise first alignment pin, be used for when said extruding cushion block is positioned at the second place, locking said extruding cushion block and said fixedly cushion cover.
Preferably, in the utility model, said extruding cushion block and the said fixedly axial fit clearance between the cushion cover are greater than the axial fit clearance between said fixedly cushion cover and the said pressure ram.
Preferably; In the utility model; The said relatively pressure ram of said fixedly cushion cover can move to the second place from primary importance, and when cushion cover was positioned at primary importance, said fixedly cushion cover can freely be plugged in or break away from said pressure ram when said fixedly; When cushion cover was positioned at the second place, said fixedly cushion cover and said pressure ram interfixed when said fixedly.
More preferably, in the utility model, further comprise second alignment pin, be used for when said fixedly said fixedly cushion cover and the said pressure ram of locking when cushion cover is positioned at the second place.
Preferably, in the utility model, the work zone circumscribed circle diameter of said extruding pad and the diameter of recipient liner cooperatively interact.
Based on above-mentioned setting, the novel extruding pad after the improvement uses to consume to concentrate on cushion block, so only need the periodic replacement cushion block to get final product, has saved material cost; It is simple in structure, changes easily.
Description of drawings
Fig. 1 is the installation diagram of the utility model one preferred embodiment;
Fig. 2 A-2B is the profile and the side view of pressure ram in the utility model one preferred embodiment;
Fig. 3 A-3C is the fixedly profile and the side view of cushion cover in the utility model one preferred embodiment;
Fig. 4 A-4B is the cutaway view and the side view of extruding cushion block in the utility model one preferred embodiment.
The specific embodiment
Below will combine specific embodiment and accompanying drawing that the advantage of the utility model is done further elaboration.
See also Fig. 1; Be the extruding pad 100 that the utility model one preferred embodiment provides, it comprises with the interconnective fixedly cushion cover of pressure ram 200 110, be plugged in removably fixing cushion cover 110 extruding cushion block 120, be used to lock first alignment pin 130 of extruding cushion block 120 and fixing cushion cover 110 and be used to lock fixedly second alignment pin 140 of cushion cover 110 and pressure ram 200.
Specifically; See also Fig. 2 A-2B; Fig. 3 A-3C and Fig. 4 A-4B; The end 201 that pressure ram 200 is used for being connected with fixing cushion cover 110 is plum blossom contiguous block structure, and extruding cushion block 120 is used to be plugged in fixedly that an end 121 of cushion cover 110 also is a plum blossom contiguous block structure, and fixedly the two ends of cushion cover 110 then are respectively arranged with and accommodate the plum blossom connection block structured resettlement section 111,112 of correspondence with it.
Based on above-mentioned setting, in assembling process, at first, with the installation of aliging with an end 201 of pressure ram 200 of the fixing resettlement section 112 of cushion cover 110; Secondly, fixedly cushion cover 110 rotates to the second place (stationary state) from primary importance (free state); Moreover, insert second alignment pin 140 in order to lock the fixedly position between the cushion cover 110 and pressure ram 200; Then, with the back grafting of aliging with the fixing resettlement section 111 of cushion cover 110 of an end 121 of extruding cushion block 120; Equally, will push cushion block 120 and rotate to the second place (stationary state) from primary importance (free state); At last, insert first alignment pin 130 to lock the position between fixing cushion cover 110 and the extruding cushion block 120.After the installation, extruding cushion block 120, fixedly cushion cover 110 and pressure ram 200 are coaxial shape.
Extruding pad after installing and fixing can be used for extrudate.When extrudate, the extruding cushion block in the extruding pad can directly contact with aluminium bar, and the internal diameter size of its work zone circumscribed circle diameter and recipient liner cooperatively interacts with the refluence of aluminium bar in extrusion process that prevents that recipient is inner.
Particularly, in extrusion process, recipient liner inner surface forms the complete aluminium cover of one deck.During extruding (master cylinder travels forward), the extruding cushion block is owing to receive the reaction force of aluminium bar, and suitably deformation, external diameter expansion prevent the outflow of recipient inside aluminium with the internal diameter of complete closed recipient.When extruding finishes, when the extruding master cylinder is retreated, push cushion block and return to original dimension again; Skid off recipient with pressure ram; The extruding cushion block is exactly repeatedly deformation under the environment of this high pressure, high temperature, the frictional force and the active force of be squeezed tube, aluminium bar, and its outside dimension and working face angle gradually change; When outside dimension after the deformation and internal diameter of the container size fit clearance are unreasonable, must change the extruding cushion block.
And the extruding cushion block is few compared to extruding pad consumptive material of the prior art, has saved material cost.The dummy block block structure is simple, be convenient to produce, and the mode of dismounting and change is also very convenient, and plant personnel can be dismantled for the replacing of cushion block voluntarily, cleans, and concrete steps are following:
Existing master cylinder with main frame is back at last, through Screw first alignment pin is taken out; To push cushion block with respect to after fixedly cushion cover rotates back to primary importance (free state), and put taking-up from fixed bolster, the extruding cushion block that will replace again inserts fixedly cushion cover, after primary importance rotates to the second place, inserts alignment pin with locking.
In addition; In the utility model; The extruding cushion block and fixedly the axial fit clearance between the cushion cover greater than the fixing axial fit clearance between cushion cover and the pressure ram; Simultaneously this gap is also greater than the end play of the fixation extrusion pad of traditional form, such be provided with can for equipment neutrality is required suitably relax, be beneficial to field operation.
Should be noted that; The embodiment of the utility model has preferable implementation; And be not that the utility model is done any type of restriction, any technical staff who is familiar with this field possibly utilize the technology contents change of above-mentioned announcement or be modified to the effective embodiment that is equal to, and does not break away from the content of the utility model technical scheme in every case;, all still belong in the scope of the utility model technical scheme any modification or equivalent variations and modification that above embodiment did according to the technical spirit of the utility model.
Claims (7)
1. an extruding pad is characterized in that, comprising:
Fixedly cushion cover interconnects with pressure ram;
The extruding cushion block is plugged in said fixedly cushion cover removably.
2. extruding pad as claimed in claim 1; It is characterized in that; The said relatively fixedly cushion cover of said extruding cushion block can move to the second place from primary importance, and when said extruding cushion block was positioned at primary importance, said extruding cushion block can freely be plugged in or break away from said fixedly cushion cover; When said extruding cushion block was positioned at the second place, said extruding cushion block and said fixedly cushion cover interfixed.
3. extruding pad as claimed in claim 2 is characterized in that, further comprises first alignment pin, is used for when said extruding cushion block is positioned at the second place, locking said extruding cushion block and said fixedly cushion cover.
4. extruding pad as claimed in claim 1 is characterized in that, said extruding cushion block and the said fixedly axial fit clearance between the cushion cover are greater than the axial fit clearance between said fixedly cushion cover and the said pressure ram.
5. extruding pad as claimed in claim 1; It is characterized in that; The said relatively pressure ram of said fixedly cushion cover can move to the second place from primary importance, and when cushion cover was positioned at primary importance, said fixedly cushion cover can freely be plugged in or break away from said pressure ram when said fixedly; When cushion cover was positioned at the second place, said fixedly cushion cover and said pressure ram interfixed when said fixedly.
6. extruding pad as claimed in claim 5 is characterized in that, further comprises second alignment pin, is used for when said fixedly said fixedly cushion cover and the said pressure ram of locking when cushion cover is positioned at the second place.
7. extruding pad as claimed in claim 1 is characterized in that, the work zone circumscribed circle diameter of said extruding pad and the diameter of recipient liner cooperatively interact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200547274U CN202438566U (en) | 2012-02-20 | 2012-02-20 | Squeezing gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200547274U CN202438566U (en) | 2012-02-20 | 2012-02-20 | Squeezing gasket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202438566U true CN202438566U (en) | 2012-09-19 |
Family
ID=46820021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200547274U Expired - Fee Related CN202438566U (en) | 2012-02-20 | 2012-02-20 | Squeezing gasket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202438566U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102962286A (en) * | 2012-11-02 | 2013-03-13 | 无锡鸿声铝业有限公司 | Extruding cushion device |
| CN102962285A (en) * | 2012-11-02 | 2013-03-13 | 无锡鸿声铝业有限公司 | Extruding cushion device |
-
2012
- 2012-02-20 CN CN2012200547274U patent/CN202438566U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102962286A (en) * | 2012-11-02 | 2013-03-13 | 无锡鸿声铝业有限公司 | Extruding cushion device |
| CN102962285A (en) * | 2012-11-02 | 2013-03-13 | 无锡鸿声铝业有限公司 | Extruding cushion device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120919 Termination date: 20170220 |