CN205749155U - A kind of folding test mechanism of press - Google Patents
A kind of folding test mechanism of press Download PDFInfo
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- CN205749155U CN205749155U CN201620409898.2U CN201620409898U CN205749155U CN 205749155 U CN205749155 U CN 205749155U CN 201620409898 U CN201620409898 U CN 201620409898U CN 205749155 U CN205749155 U CN 205749155U
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- die head
- lower die
- press
- upper die
- folding test
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Abstract
This utility model relates to the folding test mechanism of a kind of press, installation corresponding with the master cylinder of press, including two linking arms being oppositely arranged, it is provided with connecting plate between two linking arms, linking arm is installed on the setting guide post of master cylinder, master cylinder drive connection arm, along the upper and lower sliding of guide post, is fixedly installed upper die head bearing bottom linking arm, bending upper die head dovetail type is installed in below described upper die head bearing；Lower die head assembly it is arranged at intervals with immediately below bending upper die head, this lower die head assembly includes a pair lower die head that relative spacing is arranged, carrier board, a pair lower die head bearing it is provided with on carrier board, lower die head is arranged on lower die head bearing, and the spacing scalable between two lower die head bearings is to adjust the width of die cavity between lower die head.This utility model is installed on press, it is possible to the folding test equipment as sample steel plate uses, it is not necessary to additionally purchase warp testing machine, saves equipment investment cost.Simple in construction, it is simple to popularization and application.
Description
Technical field
This utility model design bending mechanism, is specifically related to a kind of bending mechanism being arranged on press.
Background technology
The bending property of high intensity and abrasion-resistant stee is an important indicator, because of plate product upgrading and the needs of performance test thereof, high intensity and abrasion-resistant stee must use bulk specimen to do bend test, the bend test of bulk specimen also must use special equipment, the way that factory is general is to send outside to be curved test, there is cycle length, the shortcoming got off costly for a long time.
If newly-built a set of special equipment that can do bulk specimen bend test, equipment occupation space big, newly-built certainly will be invested, long in time limit.
Utility model content
Technical problem to be solved in the utility model is to provide the folding test mechanism of a kind of press for above-mentioned prior art, can be as the bend test equipment of bulk specimen steel plate.
The technical scheme in the invention for solving the above technical problem is: the folding test mechanism of a kind of press, installation corresponding with the master cylinder of press, including two linking arms being oppositely arranged, it is provided with connecting plate between two linking arms, described linking arm is installed on the setting guide post of master cylinder, master cylinder drive connection arm, along the upper and lower sliding of described guide post, is fixedly installed upper die head bearing bottom described linking arm, bending upper die head dovetail type is installed in below described upper die head bearing；It is arranged at intervals with lower die head assembly immediately below described bending upper die head, this lower die head assembly includes a pair lower die head that relative spacing is arranged, carrier board, a pair lower die head bearing it is provided with on described carrier board, described lower die head is arranged on lower die head bearing, and the spacing scalable between two lower die head bearings is to adjust the width of die cavity between lower die head.
Further, the relative upper edge of two lower die head is respectively arranged with support round rod, and sample steel plate is supported on support round rod described in two.Two support round rods are as stress point during sample steel plate bending, it is ensured that the smooth-going of bending deformation.
Preferably arrange and be, described linking arm and the mounting structure of guide post are provided with baffle plate as fixing.
Preferably, described upper die head use 42CrMo mould steel, case hardness HB500-600, surface roughness Sa3.2 and more than.
Preferably, described support round rod use 42CrMo mould steel, case hardness HB500-600, surface roughness Sa3.2 and more than.
Preferably, upper die head bearing dovetail groove coordinate face roughness Sa3.2 and more than, it is ensured that more preferable transmission between upper die head and upper die head bearing, it is to avoid contact skidding and disperses force.
Folding test method based on above-mentioned press folding test mechanism: wrap direction is the rolling direction (longitudinally) and laterally of sample steel plate, and between lower die head, the adjustable-width of die cavity is 100-490mm；Key step is as follows,
(1) according to the width of die cavity, fixing lower die head between technological requirement regulation lower die head；
(2) selecting to meet the upper die head of technological requirement diameter, be installed to by upper die head on upper die head bearing fixing, master cylinder controls to move to initial position on linking arm；
(3) being lain on the die cavity between lower die head by sample steel plate, sample steel plate contacts with support round rod, and sample steel plate centrage aligns with die cavity centrage；
(4) starting press, arrange the displacement that upper die head moves down, master cylinder operation, press sample steel plate bending 120-150 ° under upper die head, upper die head resets, sample steel plate resilience；
(5) if sample steel plate directly fractures, then folding test terminates, and changes the upper die head that diameter is bigger；If angle is more than 90 ° after sample steel plate resilience, then starts master cylinder and continue to allow backfin under lower die head curved；If angle is less than 90 ° after sample steel plate resilience, then folding test success.
Compared with prior art, the utility model has the advantage of: provide a kind of folding test mechanism being arranged on press, press is made to be possible not only to the function realizing flattening, and can use as the folding test equipment of sample steel plate, without additionally purchasing warp testing machine, save equipment investment cost.Simple in construction, it is simple to popularization and application.
Accompanying drawing explanation
Fig. 1 is the front view of press folding test mechanism in this utility model embodiment；
Fig. 2 is A-A sectional view in Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, this utility model is described in further detail.
If Fig. 1 is to shown in 2, folding test mechanism in the present embodiment, installation corresponding with the master cylinder of press, including the both sides linking arm 1 being oppositely arranged, be provided with connecting plate 10 between two linking arms 1, connecting plate 10 not only ensure to press down steadily and also be able to ensure that the synchronization concordance that left and right linking arm 1 moves down.Described linking arm 1 is installed on the setting guide post of master cylinder, linking arm 1 and the mounting structure of guide post are provided with baffle plate 2 as fixing, master cylinder drive connection arm 1 is along the upper and lower sliding of guide post, it is bolted bottom described linking arm 1 and is provided with upper die head bearing 3, bending upper die head 4 is installed in below described upper die head bearing 3, and bending upper die head 4 and upper die head bearing 3 are dovetail type detachable connection mode.
Lower die head assembly it is arranged at intervals with immediately below bending upper die head 4, this lower die head assembly includes a pair lower die head 5 that relative spacing is arranged, carrier board 9, carrier board 9 level is laid on the ground, being provided with a pair lower die head bearing 7 on carrier board 9, lower die head 5 correspondence is arranged on lower die head bearing 7, and two lower die head bearings 7 are configured with governor motion 8, make the spacing between lower die head bearing 7 adjustable thus the convenient width adjusting 5 die cavitys of lower die head, adapt to the folding test of different size sample steel plate.
Further, the relative upper edge of two lower die head 5 is respectively arranged with support round rod 6, and when sample steel plate lies on die cavity, sample steel plate is just supported on two support round rods 6, two support round rods 6 are as stress point during sample steel plate bending, it is ensured that the smooth-going of bending deformation.
In the present embodiment, bending upper die head and support round rod use 42CrMo mould steel, and case hardness HB500-600, surface roughness is Sa3.2.The dovetail groove of upper die head bearing coordinates the roughness in face to be Sa3.2, it is ensured that more preferable transmission between upper die head and upper die head bearing, it is to avoid contact is skidded and disperses force.
Bending upper die head, according to sample steel plate performance and specification mood, carries out configuration design to its round end physical dimension, and round end radius R is provided with 10 specification series (mm): 10,20,30,40,50,60,70,80,90,100.
Folding test method: wrap direction is the rolling direction (longitudinally) and laterally of sample steel plate, and between lower die head, the adjustable-width of die cavity is 100-490mm；Key step is as follows,
(1) according to the width of die cavity, fixing lower die head between technological requirement regulation lower die head；
(2) selecting to meet the upper die head of technological requirement diameter, be installed to by upper die head on upper die head bearing fixing, master cylinder controls to move to initial position on linking arm；
(3) being lain on the die cavity between lower die head by sample steel plate, sample steel plate contacts with support round rod, and sample steel plate centrage aligns with die cavity centrage；
(4) starting press, arrange the displacement that upper die head moves down, master cylinder operation, press sample steel plate bending 120-150 ° under upper die head, upper die head resets, sample steel plate resilience；
(5) if sample steel plate directly fractures, then folding test terminates, and changes the upper die head that diameter is bigger；If angle is more than 90 ° after sample steel plate resilience, then starts master cylinder and continue to allow backfin under lower die head curved；If angle is less than 90 ° after sample steel plate resilience, then folding test success.
In addition to the implementation, this utility model also includes the technical scheme that other embodiments, all employing equivalents or equivalence substitute mode are formed, within all should falling into this utility model scope of the claims.
Claims (6)
1. the folding test mechanism of a press, installation corresponding with the master cylinder of press, it is characterized in that: include two linking arms being oppositely arranged, it is provided with connecting plate between two linking arms, described linking arm is installed on the setting guide post of master cylinder, master cylinder drive connection arm, along the upper and lower sliding of described guide post, is fixedly installed upper die head bearing bottom described linking arm, bending upper die head dovetail type is installed in below described upper die head bearing；It is arranged at intervals with lower die head assembly immediately below described bending upper die head, this lower die head assembly includes a pair lower die head that relative spacing is arranged, carrier board, a pair lower die head bearing it is provided with on described carrier board, described lower die head is arranged on lower die head bearing, and the spacing scalable between two lower die head bearings is to adjust the width of die cavity between lower die head.
The folding test mechanism of press the most according to claim 1, it is characterised in that: the relative upper edge of two lower die head is respectively arranged with support round rod, and sample steel plate is supported on support round rod described in two.
The folding test mechanism of press the most according to claim 1, it is characterised in that: described linking arm and the mounting structure of guide post are provided with baffle plate as fixing.
The folding test mechanism of press the most according to claim 1, it is characterised in that: described upper die head use 42CrMo mould steel, case hardness HB500-600, surface roughness Sa3.2 and more than.
The folding test mechanism of press the most according to claim 2, it is characterised in that: described support round rod use 42CrMo mould steel, case hardness HB500-600, surface roughness Sa3.2 and more than.
The folding test mechanism of press the most according to claim 1, it is characterised in that: the roughness on the cooperation face of described upper die head bearing dovetail groove Sa3.2 and more than.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620409898.2U CN205749155U (en) | 2016-05-09 | 2016-05-09 | A kind of folding test mechanism of press |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620409898.2U CN205749155U (en) | 2016-05-09 | 2016-05-09 | A kind of folding test mechanism of press |
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| Publication Number | Publication Date |
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| CN205749155U true CN205749155U (en) | 2016-11-30 |
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| CN201620409898.2U Active CN205749155U (en) | 2016-05-09 | 2016-05-09 | A kind of folding test mechanism of press |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842082A (en) * | 2016-05-09 | 2016-08-10 | 江阴兴澄特种钢铁有限公司 | Bending test mechanism of flatting machine |
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2016
- 2016-05-09 CN CN201620409898.2U patent/CN205749155U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842082A (en) * | 2016-05-09 | 2016-08-10 | 江阴兴澄特种钢铁有限公司 | Bending test mechanism of flatting machine |
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