CN205380197U - Die -cut compound mould in ladder limit - Google Patents
Die -cut compound mould in ladder limit Download PDFInfo
- Publication number
- CN205380197U CN205380197U CN201620092040.8U CN201620092040U CN205380197U CN 205380197 U CN205380197 U CN 205380197U CN 201620092040 U CN201620092040 U CN 201620092040U CN 205380197 U CN205380197 U CN 205380197U
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- Prior art keywords
- die
- plate
- cut
- fixed
- counterdie
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Abstract
The utility model provides a die -cut compound mould in ladder limit's technical scheme is in this scheme go up the mould part including last formwork plate and upper fixing plate, upper fixing plate is fixed with drift and die -cut upper slitter, the middle part of the cutting edge of die -cut upper slitter is the first arc surface of indent, the both ends of the cutting edge of die -cut upper slitter are the second arc surface of indent respectively, be one between first arc surface and the second arc surface respectively from the inclined plane of middle part to the both ends slope, the lower mould part includes formwork plate and lower mould fixed plate down, the lower mould fixed plate be fixed with with two die -cut swoves down of die -cut upper slitter assorted, the lower mould fixed plate be provided with with drift, die -cut upper slitter assorted punch a hole, die -cut upper slitter guide way. Use the utility model discloses can disposable accomplish the punching a hole and cut off of many curvilinear figures ladder limit, to die -cut upper slitter and the die -cut design of the cutting edge of sword down, make the processing back waste material lower mould that falls out easily, improve die -cut work efficiency.
Description
Technical field
The utility model relates to a kind of mould, especially a kind of ladder limit die cutting composite die.
Background technology
Ladder limit is component comparatively important in cable testing bridge, and it is connected the crossbeam becoming ladder shape with section of ladder part, plays beam action in the middle of the crane span structure that level is installed.Ladder limit is to make of sheet material, in order to make it have corresponding bearing capacity, artificially it is designed to the section structure of many curve shapes: be set to the limit of eave tile shape, and another side is right-angle side, middle added with twice reinforcement.The traditional mode of production in (this planform, because being susceptible to deformation, causes the disconnected difficulty cut) ladder limit is: make section bar with strip steel through cold-bending forming machine, disconnects flying saw scale；Then through manual polishing (because flying saw cutting residual) burr and two ends are rushed what connecting hole realized.Do so, manufacturing process is many, and complicated；Not only work efficiency is slow, and cost is high；Because production process is many, and employment is many；Flexible production process, must corollary equipment and production site；Particularly be there is ear-piercing noise flying sawed-off section bar and manual polishing burr, not only can affect production, there is also the safety problem of environmental pollution and producers.This is the weak point existing for prior art.
Summary of the invention
Technical problem to be solved in the utility model, it is aiming at the deficiency existing for prior art, and the technical scheme of a kind of ladder limit die cutting composite die is provided, use this utility model disposable can complete the punching to many shaped forms ladder limit and cut-out, specialized designs to die-cutting upper knife and the blade of die-cut lower cutter, after making processing, waste material easily drops out counterdie, improves die-cut work efficiency.
This programme is achieved by the following technical measures: a kind of ladder limit die cutting composite die, including part of the upper die, part of the lower die and guiding mechanism, described part of the upper die includes top mold frame plate and upper mould fixed plate, described upper mould fixed plate is fixed with drift and die-cutting upper knife, the middle part of the blade of described die-cutting upper knife is the first arc surface of indent, second arc surface of the two ends of the blade of described die-cutting upper knife respectively indent, a respectively inclined-plane tilted to two ends from middle part between described first arc surface and the second arc surface；Described part of the lower die includes counterdie frame plate and the fixing plate of counterdie, and the fixing plate of described counterdie is fixed with match two die-cut lower cuttves with described die-cutting upper knife, and the fixing plate of described counterdie is provided with the punching matched with described drift.
Further improvement of the utility model also has, the front and rear sides of the fixing plate of described counterdie is respectively fixed with the contour backing plate matched with die-cut lower cutter, contour backing plate is set and facilitates the installation to guide plate and fixing, also liquidate simultaneously and cut cutter and play certain position-limiting action, make die-cut lower cutter fixing more solid and reliable, and then make blanking process more accurate.
Further improvement of the utility model also has, the top of described contour backing plate is fixed with guide plate, and described guide plate is provided with punching and die-cutting upper knife gathering sill, and the motion that guide plate is drift and die-cutting upper knife provides certain guide effect, making blanking process more accurate, efficiency is high.
Further improvement of the utility model also has, and described punching inwall is provided with punching mold insert, can reduce the abrasion between drift and punching, can facilitate again the replacing of damaged part.
Further improvement of the utility model also has, the lower surface of described guide plate is provided with suspension type eave tile knife edge die, when suspension type eave tile knife edge die acts on the eave tile limit on die-cut ladder limit, play the effect disconnecting with supporting, lift up eave tile, to control the deformation on die-cut eave tile limit.
Further improvement of the utility model also has, described guiding mechanism includes guide pin bushing and the guide pillar coordinated with guide pin bushing, described guide pin bushing is fixed on described top mold frame plate, described guide pillar is fixed on described counterdie frame plate, guide pin bushing coordinates with guide pillar, motion for upper mould fixed plate provides certain guide effect so that it is move up and down more steady.
In order to reduce the die-cut time on ladder limit and avoid the deformation on ladder limit in blanking process, the cross sectional shape on the blade of described die-cut lower cutter and ladder limit matches.
Further improvement of the utility model also has, and described upper mould fixed plate is connected by fixing bolt and alignment pin are fixing with top mold frame plate.
Further improvement of the utility model also has, and described counterdie frame plate, counterdie are fixed plate, connected by oval pin is fixing between contour backing plate and guide plate.
Technical characterstic of the present utility model and good effect be:
(1) this utility model is to integrate punching and die-cut composite die, its compact conformation, with cold-bending forming machine with the use of, many shaped forms ladder limit can be punched out and cuts off simultaneously, compared with the technique on processing ladder limit in prior art, decrease processing and manufacturing operation, improve working (machining) efficiency, reduce manufacturing cost；
(2) this utility model adopt a die-cutting upper knife and two die-cut lower cuttves with the use of, in the descending process of die-cutting upper knife, it is gradually completing the cut-out on ladder limit, compared with this cut-out mode cuts mode with the mistake of prior art, the termination obtaining workpiece after cut-out is neat, will not produce burr；And avoid in prior art because flying sawed-off section bar and the noise of manual polishing burr generation, reduce the harm that work human and environment is produced by machining.
As can be seen here, this utility model compared with prior art, has substantive distinguishing features and progress, and the beneficial effect of its enforcement is also apparent from.
Accompanying drawing explanation
Fig. 1 is the structural representation of the specific embodiment of the invention.
Fig. 2 is the structural representation of part of the upper die in Fig. 1.
Fig. 3 is the structural representation of part of the lower die in Fig. 1.
Fig. 4 is the part of the lower die structural representation in Fig. 3.
Fig. 5 is the part of the lower die structural representation in Fig. 4.
Fig. 6 is the structural representation of fixed guide plate in Fig. 3.
Fig. 7 is the assembling structural representation of die-cutting upper knife and die-cut lower cutter.
Fig. 8 is the assembling stereogram of die-cutting upper knife and die-cut lower cutter.
Fig. 9 is the structural representation on ladder limit.
Figure 10 is the sectional drawing on ladder limit.
In figure, 1 is top mold frame plate, and 2 is upper mould fixed plate, 3 is guide plate, and 4 is contour backing plate, and 5 is the fixing plate of counterdie, 6 is guide pin bushing, and 7 is guide pillar, and 8 is counterdie frame plate, 9 is circular hole drift, and 10 is slotted hole drift, and 11 is die-cutting upper knife, 12 is fixing bolt, and 13 is alignment pin, and 14 is circular hole mold insert, 15 is slotted hole mold insert, 16 is die-cut lower cutter, and 17 is oval pin, and 18 is suspension type eave tile knife edge die, 19 is die-cutting upper knife gathering sill, 20 is right-angle side, and 21 is eave tile limit, and 22 is ladder limit, 23 is the first arc surface, and 24 is the second arc surface.
Detailed description of the invention
For the technical characterstic that this programme is described can be known, below by a detailed description of the invention, and in conjunction with its accompanying drawing, this programme is illustrated.
Be can be seen that by accompanying drawing, a kind of ladder limit die cutting composite die, including part of the upper die, part of the lower die and guiding mechanism, described part of the upper die includes top mold frame plate 1 and upper mould fixed plate 2, described upper mould fixed plate 2 is fixed with drift and die-cutting upper knife 11, first arc surface 23 that middle part is indent of the blade of described die-cutting upper knife 11, second arc surface 24 of the two ends respectively indent of the blade of described die-cutting upper knife 11, a respectively inclined-plane tilted to two ends from middle part between described first arc surface 23 and the second arc surface 24；Described part of the lower die includes counterdie frame plate 8 and the fixing plate 5 of counterdie, and the fixing plate 5 of described counterdie is fixed with match two die-cut lower cuttves 16 with described die-cutting upper knife 11, and the fixing plate 5 of described counterdie is provided with the punching matched with described drift.The front and rear sides of the fixing plate 5 of described counterdie is respectively fixed with the contour backing plate 4 matched with die-cut lower cutter 16.The top of described contour backing plate 4 is fixed with guide plate 3, and described guide plate 3 is provided with punching and die-cutting upper knife gathering sill 19.
The lower surface of described guide plate 3 is provided with suspension type eave tile knife edge die 18.The cross sectional shape on the blade of described die-cut lower cutter 16 and ladder limit 22 matches.Described guiding mechanism includes guide pin bushing 6 and the guide pillar 7 coordinated with guide pin bushing 6, and described guide pin bushing 6 is fixed on described top mold frame plate 1, and described guide pillar 7 is fixed on described counterdie frame plate 8.Described upper mould fixed plate 2 is connected by fixing bolt 12 and alignment pin 13 are fixing with top mold frame plate 1.Described counterdie frame plate 8, counterdie are fixed and are connected by oval pin 17 is fixing between plate 5, contour backing plate 4 and guide plate 3.
Concrete, punching includes circular hole and slotted hole, circular hole uses as the ground hole on ladder limit 22, slotted hole uses with the connecting hole being connected when sheet connects as ladder limit 22, the inwall of circular hole is provided with circular hole mold insert 14, being provided with slotted hole mold insert 15 on the inwall of slotted hole, accordingly, the drift on upper mould fixed plate 2 includes circular hole drift 9 and slotted hole drift 10.Circular hole drift 9 and slotted hole drift 10 are consumable accessory, can be replaced after damage.Punching mold insert is consumable accessory, can be replaced after damage.
Concrete, described die-cutting upper knife 11 is embedded in upper mould fixed plate 2, and described die-cut lower cutter 16 is embedded in the fixing plate 5 of counterdie, and die-cutting upper knife 11 and die-cut lower cutter 16 are consumable accessory, can be replaced after damage.
This utility model need with cold-bending forming machine with the use of, first, cold-bending forming machine makes the terraced limit 22 of given shape after sheet material is curved deformation, and the one end on ladder limit 22 is right-angle side 20, and the other end is eave tile limit 21.Terraced limit 22 after bending is delivered to die cutting composite die, in the descending process in part of the upper die,
(1) drift matches with punching, completes the ground hole on ladder limit 22 and the punching of connecting hole；
(2) die-cutting upper knife 11 lower cutter 16 die-cut with two matches, and completes the cut-out on ladder limit 22.
In the descending process in part of the upper die, what first contact with ladder limit 22 is two cutting edges of the first arc surface 23 on die-cutting upper knife 11, and Liang Chu is broken through in cross section, ladder limit 22 by two cutting edges；Descending along with part of the upper die, the first arc surface 23 contacting with ladder limit 22 progressively on blade, the sheet material that it is covered by the first arc surface 23 progressively cuts, and the die-cut waste material length got off shortens, and is naturally curled into C-shaped, it is easy to drop out part of the lower die；Along with the continuation of part of the upper die is descending, the second arc surface 24 and the Jun Yuti limit, inclined-plane 22 of die-cutting upper knife 11 blade contact, and the second arc surface 24 makes waste material length entirety shorten, it is easy to drop out counterdie.
The detailed description of the invention of utility model is described in conjunction with accompanying drawing although above-mentioned; but the not restriction to this utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art need not pay various amendments or deformation that creative work can make still within protection domain of the present utility model.
Claims (9)
1. a terraced limit die cutting composite die, including part of the upper die, part of the lower die and guiding mechanism, it is characterized in that: described part of the upper die includes top mold frame plate (1) and upper mould fixed plate (2), described upper mould fixed plate (2) is fixed with drift and die-cutting upper knife (11), first arc surface (23) that middle part is indent of the blade of described die-cutting upper knife (11), second arc surface (24) of the two ends respectively indent of the blade of described die-cutting upper knife (11), a respectively inclined-plane tilted to two ends from middle part between described first arc surface (23) and the second arc surface (24)；Described part of the lower die includes counterdie frame plate (8) and the fixing plate (5) of counterdie, described counterdie is fixed plate (5) and is fixed with match with described die-cutting upper knife (11) two die-cut lower cuttves (16), and described counterdie is fixed plate (5) and is provided with the punching matched with described drift.
2. ladder limit according to claim 1 die cutting composite die, is characterized in that: described counterdie is fixed the front and rear sides of plate (5) and is respectively fixed with the contour backing plate (4) matched with die-cut lower cutter (16).
3. ladder limit according to claim 2 die cutting composite die, is characterized in that: the top of described contour backing plate (4) is fixed with guide plate (3), described guide plate (3) is provided with punching and die-cutting upper knife gathering sill (19).
4. the terraced limit die cutting composite die according to claim 1 or 2 or 3, is characterized in that: be provided with punching mold insert on described punching inwall.
5. ladder limit according to claim 3 die cutting composite die, is characterized in that: the lower surface of described guide plate (3) is provided with suspension type eave tile knife edge die (18).
6. the terraced limit die cutting composite die according to claim 1 or 2 or 3 or 5, is characterized in that: the cross sectional shape of the blade of described die-cut lower cutter (16) and ladder limit (22) matches.
7. ladder limit according to claim 1 die cutting composite die, it is characterized in that: described guiding mechanism includes guide pin bushing (6) and the guide pillar (7) coordinated with guide pin bushing (6), described guide pin bushing (6) is fixed on described top mold frame plate (1), and described guide pillar (7) is fixed on described counterdie frame plate (8).
8. ladder limit according to claim 1 die cutting composite die, is characterized in that: described upper mould fixed plate (2) is connected by fixing bolt (12) and alignment pin (13) are fixing with top mold frame plate (1).
9. ladder limit according to claim 1 die cutting composite die, is characterized in that: described counterdie frame plate (8), counterdie are fixed plate (5), connected by oval pin (17) is fixing between contour backing plate (4) and guide plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620092040.8U CN205380197U (en) | 2016-01-30 | 2016-01-30 | Die -cut compound mould in ladder limit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620092040.8U CN205380197U (en) | 2016-01-30 | 2016-01-30 | Die -cut compound mould in ladder limit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205380197U true CN205380197U (en) | 2016-07-13 |
Family
ID=56348086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620092040.8U Withdrawn - After Issue CN205380197U (en) | 2016-01-30 | 2016-01-30 | Die -cut compound mould in ladder limit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205380197U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105537413A (en) * | 2016-01-30 | 2016-05-04 | 黄友华 | Combined die for terraced side punching |
-
2016
- 2016-01-30 CN CN201620092040.8U patent/CN205380197U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105537413A (en) * | 2016-01-30 | 2016-05-04 | 黄友华 | Combined die for terraced side punching |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160713 Effective date of abandoning: 20180515 |