CN211027768U - Punch mounting structure of upper die of die - Google Patents
Punch mounting structure of upper die of die Download PDFInfo
- Publication number
- CN211027768U CN211027768U CN201921981651.8U CN201921981651U CN211027768U CN 211027768 U CN211027768 U CN 211027768U CN 201921981651 U CN201921981651 U CN 201921981651U CN 211027768 U CN211027768 U CN 211027768U
- Authority
- CN
- China
- Prior art keywords
- die
- punch
- stop collar
- upper die
- mounting
- 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
Links
Images
Landscapes
- Punching Or Piercing (AREA)
Abstract
The utility model discloses a drift mounting structure of mould on mould, including solid fixed plate group, set firmly at the punching rod of solid fixed plate group bottom, establish in punching rod bottom removable insert, the cover establish the pre-compaction subassembly on the punching rod and establish the elastomer at pre-compaction subassembly top, when inserting wearing and tearing, insert and can directly demolish on the punch press, and need not the form removal change, practiced thrift material cost and improved production efficiency.
Description
Technical Field
The utility model relates to a drift mounting structure of mould on mould.
Background
In the prior art, hole chamfering is carried out, a lathe is often used for finishing, the machining efficiency of the lathe is low, the hole chamfering cannot be suitable for plates, the hole chamfering is carried out on the edge of an extrusion hole of an upper die punch at present, the punch is a quick-wear part and needs to be frequently replaced, the existing replacement method is that the upper die punch is integrally removed from a punch press and is replaced, the replacement steps are time-consuming and tedious, the production efficiency is influenced, the material replacement cost of the whole punch is high, and therefore the hole chamfering needs to be further improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the not enough of above-mentioned prior art existence, and provide a drift mounting structure of mould on the mould, it is easy dismounting that inserts, changes simply.
The purpose of the utility model is realized like this:
a punch mounting structure of an upper die of a die comprises a fixed plate group, a punch rod fixedly arranged at the bottom of the fixed plate group, an insert which is arranged at the bottom of the punch rod and can be replaced, a prepressing assembly sleeved on the punch rod and an elastic body arranged at the top of the prepressing assembly;
the punching rod comprises a connecting section and a guide section arranged at the bottom of the connecting section, the top of the connecting section is fixed with the bottom of the fixed plate group, the bottom of the connecting section is provided with a mounting groove, the top of an insert is detachably arranged in the mounting groove, the prepressing assembly comprises a limiting sleeve and a pressing sleeve, the connecting section of the punching rod is sleeved with the limiting sleeve, the top of the guide section forms a limiting table for preventing the limiting sleeve from moving downwards, the pressing sleeve is sleeved at the guide section of the punching rod, and the top of the pressing sleeve is detachably fixed with the limiting sleeve.
The insert comprises an insert main body, an installation boss arranged at the top of the insert main body and matched with the installation groove, and a pressure corner part arranged at the bottom of the insert main body, wherein the installation boss is arranged in the installation groove, the outer contour of the insert main body is consistent with that of the guide section, a first threaded hole is arranged on the side surface of the installation groove, a first installation screw is arranged in the first threaded hole, and the threaded end of the first installation screw abuts against the side wall of the insert main body;
the bottom of the pressing sleeve extends out of the lower portion of the insert to form a pre-pressing portion, an avoiding groove which is communicated with the bottom of the pressing sleeve and used for avoiding the first mounting screw is formed in the side wall of the pressing sleeve, and a rotation stopping portion is arranged between the pressing sleeve and the guide section of the punch rod.
The stop collar includes the stop collar body and follows the side stop collar body of the peripheral downwardly extending of the stop collar body, and the top of pressing the cover inserts in the side stop collar body, presses the top surface of cover to paste mutually with the bottom surface of the stop collar body, is equipped with the second screw hole on the side stop collar body, is equipped with the second installation screw in the second screw hole, and the threaded end of second installation screw supports the lateral wall of pressing the cover.
The rotation stopping part comprises a first rotation stopping table arranged on the side wall of the guide section and a second rotation stopping table arranged on the inner side wall of the pressing sleeve and matched with the first rotation stopping table.
The rotation stopping part comprises a guide pin fixedly arranged on the side wall of the guide section and extending outwards and a guide groove arranged on the side wall of the pressing sleeve and communicated with the top of the pressing sleeve.
The elastic body is a compression spring sleeved on the connecting section of the punch rod, the top of the compression spring is contacted with the bottom of the fixing plate group, and the bottom of the compression spring is contacted with the top of the limiting sleeve.
The fixed plate group comprises a die handle, an upper die plate, a base plate and a third mounting screw, a limiting concave table is arranged at the bottom of the base plate, the top of a punching rod is arranged in the limiting concave table, a third threaded hole is formed in the top of the punching rod, through holes are formed in the die handle and the base plate respectively, and the threaded end of the third mounting screw penetrates through the through holes in the die handle and the base plate in sequence and is in threaded connection with the third threaded hole.
And an oil groove is formed along the peripheral surface of the guide section of the punch rod.
The corner pressing part is an inverted trapezoidal round table.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a sectional view of the present invention.
Fig. 2 is a bottom view of the fixing plate set hidden in the present invention.
Fig. 3 is a side view of the present invention with the fixed plate set hidden.
Fig. 4 is a sectional view of the guide pin as the rotation stopper.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to fig. 1-4, the punch mounting structure of the upper die of the die comprises a fixed plate group 1, a punch 2 fixedly arranged at the bottom of the fixed plate group 1, an exchangeable insert 3 arranged at the bottom of the punch 2, a pre-pressing component 4 sleeved on the punch 2, and an elastic body 5 arranged at the top of the pre-pressing component 4;
the punching rod 2 comprises a connecting section 6 and a guide section 7 arranged at the bottom of the connecting section 6, the top of the connecting section 6 is fixed with the bottom of the fixing plate group 1, the bottom of the connecting section 6 is provided with a mounting groove, the insert 3 comprises an insert main body 9, a mounting boss 10 arranged at the top of the insert main body 9 and matched with the mounting groove, and a pressure corner part 11 arranged at the bottom of the insert main body 9, the mounting boss 10 is arranged in the mounting groove, the outer contour of the insert main body 9 is consistent with that of the guide section 7, a first threaded hole is arranged on the side surface of the mounting groove, a first mounting screw 12 is arranged in the first threaded hole, and the threaded end of the first mounting screw 12 abuts against the side;
the pre-pressing assembly 4 comprises a limiting sleeve 13 and a pressing sleeve 14, the limiting sleeve 13 is sleeved on a connecting section 6 of the punching rod 2, a limiting table for preventing the limiting sleeve 13 from moving downwards is formed at the top of the guide section 7, the pressing sleeve 14 is sleeved on the guide section 7 of the punching rod 2 and is in sliding fit with the guide section 7, the top of the pressing sleeve 14 is detachably fixed with the limiting sleeve 13, the bottom of the pressing sleeve 14 extends out of the lower part of the insert 3 to form a pre-pressing part 15, a avoiding groove 16 which is communicated with the bottom of the pressing sleeve 14 and used for avoiding the first mounting screw 12 is formed in the side wall of the pressing sleeve 14, and a rotation stopping part is arranged between the pressing sleeve 14 and the guide section 7 of the punching. By adopting the scheme, in the corner pressing process, the pre-pressing part 15 positioned at the bottom of the pressing sleeve 14 presses the plate 37 to be processed on the lower die at a fixed position, the punch rod 2 continues to move downwards, the corner pressing part 11 acts on the part to be processed for corner pressing, and the corner pressing is finished after the punch press returns. When the press corner 11 is worn and the insert 3 needs to be replaced, the first mounting screw 12 is loosened, the press sleeve 14 is removed downwards from the stop sleeve 13, and finally the insert 3 is removed. During installation, the pressing sleeve 14 is installed firstly, then a new insert 3 is installed and fixed through the first installation screw 12, replacement is convenient, die repairing time and material cost are saved, and meanwhile, the insert does not have a seam on a forming surface and cannot be pressed out of a mark on a plate to be processed.
Further, stop collar 13 includes the stop collar body and follows the side stop collar body of stop collar body periphery downwardly extending, and during the top of pressing sleeve 14 inserted the side stop collar body, the top surface of pressing sleeve 14 pasted mutually with the bottom surface of the stop collar body, and the side is equipped with the second screw hole on the stop collar body, is equipped with second installation screw 17 in the second screw hole, and the threaded end of second installation screw 17 supports the lateral wall of pressing sleeve 14. The stop collar 13 and the pressing sleeve 14 are detachably mounted by a second mounting screw 17, and the mounting is convenient and reliable.
Further, as a structure of the rotation stopping portion, the rotation stopping portion includes a first rotation stopping table 18 provided on a side wall of the guide section 7 and a second rotation stopping table provided on an inner side wall of the pressing sleeve 14 to be engaged with the first rotation stopping table 18. Because the outer contour of the insert main body 9 is consistent with the outer contour of the guide section 7, it can be understood that the insert main body 9 is also provided with a first rotation stopping table 18, and the first rotation stopping table 18 and a second rotation stopping table are convenient to process, such as turning and milling or linear cutting, so that the first mounting screw 12 is prevented from being held back by the pressing sleeve 14 rotating relative to the punch 2 and the insert 3.
Further, as another structure of the rotation stopping portion, as shown in fig. 4, the rotation stopping portion includes a guide pin 19 fixedly disposed on a side wall of the guide section 7 and extending outward, and a guide groove 20 disposed on a side wall of the pressing sleeve 14 and penetrating toward a top of the pressing sleeve 14. The side wall of the guide section 7 is provided with a mounting hole, the guide pin 19 is tightly fitted in the mounting hole, and the guide pin 19 and the guide groove 20 are matched to prevent the press sleeve 14 from rotating relative to the punch rod 2 and the insert 3.
Furthermore, the elastic body 5 is a compression spring sleeved on the connecting section 6 of the punch rod 2, the top of the compression spring is contacted with the bottom of the fixing plate group 1, and the bottom of the compression spring is contacted with the top of the limiting sleeve 13.
Further, the fixed plate group 1 comprises a die handle 21, an upper die plate 22, a backing plate 33 and a third mounting screw 34, a limiting concave table 35 is arranged at the bottom of the backing plate 33, the top of the punching rod 2 is arranged in the limiting concave table 35, a third threaded hole is formed in the top of the punching rod 2, through holes are respectively formed in the die handle 21 and the backing plate 33, and the threaded end of the third mounting screw 34 sequentially penetrates through the through holes in the die handle 21 and the backing plate 33 and is in threaded connection with the third threaded hole.
Further, an oil groove 36 is formed along the outer peripheral surface of the guide section 7 of the punch 2. Lubricating oil is added to the oil sump 36 to reduce wear.
Further, the corner pressing part 11 is an inverted trapezoidal circular truncated cone. One time performance is to press the corners of the hole periphery to achieve the chamfering effect, and the chamfer 38 shown in fig. 1 is the after-machining effect.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and not for the purpose of limiting the same, and the appended claims are intended to cover all such modifications, equivalents, and alternatives falling within the scope of the present invention.
Claims (9)
1. The punch mounting structure of the upper die of the die is characterized by comprising a fixed plate group (1), a punching rod (2) fixedly arranged at the bottom of the fixed plate group (1), an insert (3) replaceable at the bottom of the punching rod (2), a prepressing assembly (4) sleeved on the punching rod (2) and an elastic body (5) arranged at the top of the prepressing assembly (4);
towards stick (2) including linkage segment (6) and establish guide section (7) in linkage segment (6) bottom, the top of linkage segment (6) is fixed with the bottom of solid fixed plate group (1), the bottom of linkage segment (6) is equipped with the mounting groove, the top of inserting (3) is removable establishes in the mounting groove, pre-compaction subassembly (4) are including stop collar (13) and pressure cover (14), the linkage segment (6) of towards stick (2) are established in stop collar (13) cover, the top of guide section (7) forms the spacing platform that prevents stop collar (13) downstream, the guide section (7) of towards stick (2) are established to pressure cover (14), the top of pressure cover (14) is removable fixed with stop collar (13).
2. The punch mounting structure of the upper die of the die as claimed in claim 1, wherein the insert (3) comprises an insert main body (9), a mounting boss (10) arranged at the top of the insert main body (9) and matched with the mounting groove, and a corner pressing part (11) arranged at the bottom of the insert main body (9), the mounting boss (10) is arranged in the mounting groove, the outer contour of the insert main body (9) is consistent with that of the guide section (7), a first threaded hole is arranged on the side surface of the mounting groove, a first mounting screw (12) is arranged in the first threaded hole, and the threaded end of the first mounting screw (12) abuts against the side wall of the insert main body (9);
the bottom of the pressing sleeve (14) extends to the lower part of the insert (3) to form a prepressing part (15), an avoiding groove (16) which penetrates through the bottom of the pressing sleeve (14) and is used for avoiding the first mounting screw (12) is formed in the side wall of the pressing sleeve (14), and a rotation stopping part is arranged between the pressing sleeve (14) and the guide section (7) of the punch rod (2).
3. The punch mounting structure of the upper die of the die as claimed in claim 2, wherein the stop collar (13) includes a stop collar body and a side stop collar body extending downward along the outer periphery of the stop collar body, the top of the pressing collar (14) is inserted into the side stop collar body, the top surface of the pressing collar (14) is attached to the bottom surface of the stop collar body, a second threaded hole is formed in the side stop collar body, a second mounting screw (17) is disposed in the second threaded hole, and the threaded end of the second mounting screw (17) abuts against the side wall of the pressing collar (14).
4. The punch mounting structure of the upper die of the die set according to claim 2, wherein the rotation stop portion includes a first rotation stop table (18) provided on a side wall of the guide section (7) and a second rotation stop table provided on an inner side wall of the pressing sleeve (14) to be engaged with the first rotation stop table (18).
5. The punch mounting structure of the upper die of the die set according to claim 2, wherein the rotation stop portion includes a guide pin (19) fixed to a side wall of the guide section (7) and extending outward, and a guide groove (20) provided on a side wall of the pressing sleeve (14) and penetrating toward a top of the pressing sleeve (14).
6. The punch mounting structure of the upper die of the die as claimed in claim 1, wherein the elastic body (5) is a compression spring sleeved on the connecting section (6) of the punch rod (2), the top of the compression spring is in contact with the bottom of the fixed plate group (1), and the bottom of the compression spring is in contact with the top of the limiting sleeve (13).
7. The punch mounting structure of the upper die of the die as claimed in claim 1, wherein the fixed plate group (1) comprises a die shank (21), an upper die plate (22), a backing plate (33) and a third mounting screw (34), a limiting concave table (35) is arranged at the bottom of the backing plate (33), the top of the punch rod (2) is arranged in the limiting concave table (35), a third threaded hole is arranged at the top end of the punch rod (2), through holes are respectively arranged on the die shank (21) and the backing plate (33), and the threaded end of the third mounting screw (34) sequentially penetrates through the through holes on the die shank (21) and the backing plate (33) and is in threaded connection with the third threaded hole.
8. The punch mounting structure of an upper die of a die set according to claim 1, wherein an oil groove (36) is provided along an outer peripheral surface of the guide section (7) of the punch pin (2).
9. The punch mounting structure of the upper die of the die as claimed in claim 2, wherein the press horn portion (11) is an inverted trapezoidal circular truncated cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921981651.8U CN211027768U (en) | 2019-11-14 | 2019-11-14 | Punch mounting structure of upper die of die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921981651.8U CN211027768U (en) | 2019-11-14 | 2019-11-14 | Punch mounting structure of upper die of die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211027768U true CN211027768U (en) | 2020-07-17 |
Family
ID=71561240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921981651.8U Expired - Fee Related CN211027768U (en) | 2019-11-14 | 2019-11-14 | Punch mounting structure of upper die of die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211027768U (en) |
-
2019
- 2019-11-14 CN CN201921981651.8U patent/CN211027768U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201105458Y (en) | Special die carrier for punching flexible printed circuit board | |
| CN205629054U (en) | Stamping die who gets rid of thin -wall case hole blanking cross -section cusped edge burr | |
| CN204700125U (en) | A kind of sprocket wheel rushes tooth mould | |
| CN205147022U (en) | Rear axle locking packing ring dashes 24 casement utensils for two steps | |
| CN105251867A (en) | Rear axle locking gasket die capable of punching 24 holes in two steps and machining process of die | |
| CN211027768U (en) | Punch mounting structure of upper die of die | |
| CN106001239A (en) | Tooth punching die | |
| CN210788855U (en) | Progressive die for forming disc spring washer | |
| JP3610694B2 (en) | Press die having oil supply means for punched shear surface | |
| JP2002263749A (en) | Punching die and manufacturing method therefor | |
| CN205147076U (en) | A mould for cutting edge processing of punching a hole | |
| CN105234254A (en) | Elastic pressing plate blanking die | |
| CN214442313U (en) | Punching die capable of reducing punching strain | |
| CN102397933A (en) | Scraper blade blanking die | |
| CN210547338U (en) | Integrative mould of unloading | |
| CN206999122U (en) | It is a kind of to remove useless die-cutting mould automatically | |
| CN205200276U (en) | Elastic pressure plate blanking die | |
| CN207386274U (en) | A kind of mold with riveting set in mould | |
| CN207824473U (en) | A kind of connecting rod cap milling two sides hydraulically operated fixture | |
| JPH07241631A (en) | Device and method for forming punched hole | |
| JP2670415B2 (en) | Punching mold | |
| CN220739168U (en) | Self-lubricating stamping die | |
| CN214644264U (en) | Mould on punch press | |
| CN205200345U (en) | Demountable guide pillar blanking die | |
| CN219683929U (en) | Punching and pressing die |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20200717 Termination date: 20211114 |