CN204912484U - Positive reverse -drawing compound die utensil and positive and negative stretcher - Google Patents
Positive reverse -drawing compound die utensil and positive and negative stretcher Download PDFInfo
- Publication number
- CN204912484U CN204912484U CN201520587569.2U CN201520587569U CN204912484U CN 204912484 U CN204912484 U CN 204912484U CN 201520587569 U CN201520587569 U CN 201520587569U CN 204912484 U CN204912484 U CN 204912484U
- Authority
- CN
- China
- Prior art keywords
- holding pad
- punch
- die
- concave
- convex mold
- 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
Landscapes
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The utility model relates to a positive reverse -drawing compound die utensil and positive and negative stretcher. This positive reverse -drawing compound die utensil includes last mould and lower mould, the unsmooth mould on the lower mould includes table surface and locates table surface, lower holding pad, lower mould liftout plate and lower power maneuvering board, push down the material snare outside unsmooth mould, the lower mould liftout plate is located in the unsmooth mould inboard, holding pad and lower mould liftout plate link the power maneuvering board respectively with down, go up the mould and include well roof beam and locate die, terrace die and the holding pad on the well roof beam that overlap outside the terrace die, die and the cooperation of unsmooth mould convex surface, terrace die and the inboard cooperation of unsmooth mould. This positive and negative stretcher, is put the beams in place and is installed on the mechanical stand that slides on table surface including upper beam, the mechanical stand that slides, hydraulic press and positive reverse -drawing compound die utensil, the column mouting that mechanically slides, positive reverse -drawing compound die utensil is above -mentioned positive reverse -drawing compound die utensil. The utility model has the advantages of simple structure, but reduction in the number of rejects and manufacturing cost.
Description
Technical field
The utility model relates to a kind of forward and backward compound drawing die tool and the positive and negative drawing machine that one block of circle material can be made a staving.
Background technology
One block of round material is made a staving (being such as applied to the bulk containers of the equipment such as coffee machine, soy bean milk making machine) at least needs employing to comprise first, second and third stretching totally three step stretching process on traditional drawing process, be required to be this three steps stretching process and mix a set of drawing die respectively, and sometimes need annealed process just can carry out next step process after completing this three steps stretching process after removing internal stress and eliminating material sclerosis, its operation is many.This three step drawing processes are not only walked to expect uneven, and percent defective is high, needs a large amount of corollary equipment, at substantial human resources, generation cost is high, and circle material its surface after multi-drawing there will be the phenomenon such as stretch marks, bubbling being similar to scratch, and is unfavorable for polishing.
Summary of the invention
Main purpose of the present utility model is to provide a kind of structure simple forward and backward compound drawing die tool.
Above-mentioned purpose is achieved by the following technical solution:
A kind of forward and backward compound drawing die tool, comprise upper die and lower die, described counterdie comprises work top and is located at the concave-convex mold on work top, lower holding pad, counterdie liftout plate and lower dynamic movement plate, described lower holding pad is placed on outside concave-convex mold, described counterdie liftout plate is located in inside concave-convex mold, described lower dynamic movement plate connects with lower holding pad and counterdie liftout plate respectively, moves under the promotion of lower dynamic movement plate to make lower holding pad and counterdie liftout plate along the axis direction of concave-convex mold; Described patrix comprises central sill and is located at die, punch and the holding pad on central sill, and described die, punch and concave-convex mold are coaxial, and described holding pad is placed on outside punch; Described die coordinates with concave-convex mold convex surface, described punch and concave-convex mold fit inside, and described die face and lower holding pad form one group of outer binder assembly, and described holding pad and concavo-convex die face form binder assembly in a group.
Forward and backward compound drawing die tool of the present utility model, first the forward to circle is expected has been coordinated to stretch by die with concave-convex mold convex surface, then the negative drawing that circle is expected is completed by punch and concave-convex mold fit inside, eject to realize discharging in tubbiness workpiece is inside concave-convex mold finally by counterdie liftout plate, structure is simple.Use this forward and backward compound drawing die tool, realize forward by one set of die and stretch and negative drawing totally two step operations, without the need to carrying out three traditional stretching process; and walk material in positive and negative drawing process evenly, internal stress is even, and crystal structure is better; smooth outer surface; there will not be stretch marks or bubbling phenomenon, be conducive to polishing, reduce manufacturing procedure; reduce the use of corollary equipment; reduce expending of labo r resources, rate of reducing the number of rejects and seconds, reduce production cost.It is simple and can be convenient to discharging that counterdie liftout plate structure is set in inside concave-convex mold.
In addition, circular circle material is after three traditional step stretching process process, uneven owing to walking to expect in drawing process, sometimes occurs that lacking limit phenomenon makes whole staving become waste product.Limit phenomenon is lacked even without appearance, the shirt rim 101 of the opening part of shaping staving is square limit (consulting Figure 18) substantially, shirt rim phenomenon of rupture is easily there is to during the cutting of shirt rim, especially concentrate closest to the few stress of part shirt rim 102 clout near the opening of staving, more easily rupture, make whole staving become waste product.
And circular circle material carries out the shirt rim 101 of the opening part of the staving of positive and negative drawing aftershaping in annular (consulting Figure 19) through forward and backward compound drawing die tool of the present utility model, clout is comparatively even everywhere, reduces and cutting crack conditions occurs, rate of reducing the number of rejects and seconds.
Technique scheme can adopt following measure to be improved further:
Counterdie fore-set is provided with between described lower holding pad and lower dynamic movement plate, knock-pin is provided with between described counterdie liftout plate and lower dynamic movement plate, described lower holding pad and counterdie liftout plate fixedly mount respectively by counterdie fore-set and knock-pin and lower dynamic movement plate, to make lower dynamic movement plate, lower holding pad and counterdie liftout plate are synchronized with the movement, by arranging counterdie fore-set and knock-pin and making lower dynamic movement plate, lower holding pad and counterdie liftout plate are synchronized with the movement, structure is simpler, control convenient, lower holding pad and counterdie liftout plate are promoted by lower dynamic movement plate simultaneously, without the need to arranging actuating unit respectively for lower holding pad and counterdie liftout plate separately, simple and reasonable, reduce parts.
Described central sill is provided with cope match-plate pattern, is provided with patrix column between die and cope match-plate pattern, and die is fixedly mounted by patrix column and cope match-plate pattern, and described holding pad is fixedly mounted on patrix column, and cope match-plate pattern is fixedly mounted on central sill, and its structure is simple, and it is convenient to implement.
Described concave-convex mold is cylindrical, and its structure is simple, reasonable in design.
Described central sill is provided with punch retainer, and punch is arranged on to make punch towards concave-convex mold medial motion under the promotion of punch retainer on punch retainer, and its structure is simple, is convenient to the motion controlling punch.
Another object of the present utility model is to provide a kind of structure simple positive and negative drawing machine.
Above-mentioned purpose is achieved by the following technical solution:
A kind of positive and negative drawing machine, comprise upper beam, mechanical slip column, hydraulic press and forward and backward compound drawing die tool, mechanical slip column is arranged on work top, and upper beam is arranged on mechanical slip column; Described forward and backward compound drawing die tool is above-mentioned forward and backward compound drawing die tool; Described hydraulic press is connected with central sill by a master cylinder, is moved by the axis direction of master cylinder promotion central sill along punch to make hydraulic press; Described hydraulic press passes through master cylinder and connects with lower dynamic movement plate, and under being promoted by lower master cylinder to make hydraulic press, dynamic movement plate moves along the axis direction of concave-convex mold.
Positive and negative drawing machine of the present utility model, by installing above-mentioned forward and backward compound drawing die tool, possess all advantages of above-mentioned forward and backward compound drawing die tool, and positive and negative drawing machine structure of the present utility model is simple.
Technique scheme can adopt following measure to be improved further:
Described central sill is provided with punch retainer, and punch is arranged on punch retainer to make the axis direction of punch along concave-convex mold under the promotion of punch retainer move; Described hydraulic press is connected with punch retainer by a secondary cylinder, passes through secondary cylinder promote punch retainer motion to make hydraulic press.
Mechanical slip column passes central sill and coordinates with central sill slippage.
Forward and backward compound drawing die tool of the present utility model and positive and negative drawing machine structure are simple, rate of can reducing the number of rejects and seconds and production cost.
Accompanying drawing explanation
Fig. 1 shows the structural representation of positive and negative drawing machine of the present utility model;
Fig. 2 shows the A portion partial enlarged drawing of Fig. 1;
Fig. 3 shows the B portion partial enlarged drawing of Fig. 1;
Fig. 4 a shows the course of work schematic diagram one of positive and negative drawing machine of the present utility model;
Fig. 4 b shows the schematic diagram of circle material of the present utility model;
Fig. 5 shows the course of work schematic diagram two of positive and negative drawing machine of the present utility model;
Fig. 6 shows the C portion partial enlarged drawing of Fig. 5;
Fig. 7 shows the course of work schematic diagram three of positive and negative drawing machine of the present utility model;
Fig. 8 shows the D portion partial enlarged drawing of Fig. 7;
Fig. 9 shows the course of work schematic diagram four of positive and negative drawing machine of the present utility model;
Figure 10 shows the course of work schematic diagram five of positive and negative drawing machine of the present utility model;
Figure 11 shows the E portion partial enlarged drawing of Figure 10;
Figure 12 shows the course of work schematic diagram six of positive and negative drawing machine of the present utility model;
Figure 13 shows the F portion partial enlarged drawing of Figure 12;
Figure 14 shows the course of work schematic diagram seven of positive and negative drawing machine of the present utility model;
Figure 15 shows the course of work schematic diagram eight of positive and negative drawing machine of the present utility model;
Figure 16 shows the structural representation of first shaping staving of the present utility model;
Figure 17 shows the structural representation of the shaping staving of second time of the present utility model;
Figure 18 shows the schematic shapes of the shirt rim of the opening part of the staving adopting three traditional step stretching process process aftershapings;
Figure 19 shows the schematic shapes adopting forward and backward compound drawing die tool of the present utility model to carry out the shirt rim of the opening part of the staving of positive and negative drawing aftershaping.
Detailed description of the invention:
Embodiment one:
As shown in Fig. 1 to Figure 15, a kind of forward and backward compound drawing die tool, for one piece of round material 22 (i.e. blank) is made a staving, comprises patrix S and counterdie X;
Described counterdie X comprises work top 6 and is located at concave-convex mold 1, lower holding pad 2, counterdie liftout plate 3 and the lower dynamic movement plate 4 on work top, described lower holding pad 2 is placed on outside concave-convex mold 1, described counterdie liftout plate 3 to be located at inside concave-convex mold in 5, described lower dynamic movement plate 4 connects with lower holding pad 2 and counterdie liftout plate 3 respectively, to make lower holding pad 2 and counterdie liftout plate 3 move along the axis direction of concave-convex mold 1 under the promotion of lower dynamic movement plate 4, concave-convex mold 1 is fixed on work top 6; Lower holding pad 2 is provided with the blowing position 21 for placing circle material;
Die 8, punch 9 and holding pad 10 that described patrix S comprises central sill 7 and is located on central sill 7, described die 8, punch 9 and concave-convex mold 1 are coaxial, and described holding pad 10 is placed on outside punch 9;
Described die 8 coordinates with concave-convex mold convex surface 11, and described punch 95 to coordinate with inside concave-convex mold, and described die face 12 and lower holding pad 2 form one group of outer binder assembly, and described holding pad 10 forms binder assembly in a group with concavo-convex die face 13.
Counterdie fore-set 14 is provided with between described lower holding pad 2 and lower dynamic movement plate 4, knock-pin 15 is provided with between described counterdie liftout plate 3 and lower dynamic movement plate 4, described lower holding pad 2 and counterdie liftout plate 3 fixedly mount with lower dynamic movement plate 4 respectively by counterdie fore-set 14 and knock-pin 15, are synchronized with the movement to make lower dynamic movement plate 4, lower holding pad 2 and counterdie liftout plate 3.In the present embodiment, the quantity of counterdie fore-set 14 is many, and the quantity of knock-pin 15 is one.
Described central sill 7 is provided with cope match-plate pattern 16, patrix column 17 is provided with between die 8 and cope match-plate pattern 16, die 8 is fixedly mounted by patrix column 17 and cope match-plate pattern 16, described holding pad 10 is fixedly mounted on patrix post 1 vertical 7, especially, holding pad 10 is fixedly mounted on holding pad backing plate 26, and holding pad backing plate 26 is fixedly mounted on patrix column 17, and cope match-plate pattern 16 is fixedly mounted on central sill 7.In the present embodiment, the quantity of patrix column 17 is many.
Described concave-convex mold 1 is cylindrical.
Described central sill 7 is provided with punch retainer 18, and punch 9 is arranged on punch retainer 18 to make punch 95 motions inside concave-convex mold under the promotion of punch retainer 18.
Embodiment two:
Consult Fig. 1 to Figure 15, a kind of positive and negative drawing machine, comprise upper beam 19, mechanical slip column 25, hydraulic press (not shown) and forward and backward compound drawing die tool;
Mechanical slip column 25 is arranged on work top 6, and upper beam 19 is arranged on mechanical slip column 25;
The forward and backward compound drawing die tool of described forward and backward compound drawing die tool any one of Claims 1-4 described in claim;
Described hydraulic press is connected with central sill by a master cylinder, is moved by the axis direction of master cylinder promotion central sill along punch to make hydraulic press;
Described hydraulic press passes through master cylinder and connects with lower dynamic movement plate, and under being promoted by lower master cylinder to make hydraulic press, dynamic movement plate moves along the axis direction of concave-convex mold.
Described forward and backward compound drawing die tool is the forward and backward compound drawing die tool described in embodiment, and its concrete structure, see embodiment one, no longer describes in detail herein;
Described hydraulic press is connected with central sill 7 by a master cylinder 20, promotes central sill 7 move along the axis direction of punch 9 to make hydraulic press by master cylinder 20;
Described hydraulic press passes through master cylinder 23 and connects with lower dynamic movement plate 4, and under being promoted by lower master cylinder 23 to make hydraulic press, dynamic movement plate 4 moves along the axis direction of concave-convex mold 1.
Described central sill 7 is provided with punch retainer 18, and punch 9 is arranged on punch retainer 18 to make punch 9 move along the axis direction of concave-convex mold 1 under the promotion of punch retainer 18;
Described hydraulic press is connected with punch retainer 18 by a secondary cylinder 24, passes through secondary cylinder 24 promote punch retainer 18 and move to make hydraulic press.In the present embodiment, secondary cylinder 24 connects with punch retainer 18 through after central sill 7.
Mechanical slip column 25 passes central sill 7 and coordinates with central sill 7 slippage, and central sill 7 slides up and down for 25 times at mechanical slip column.Patrix work steady operation more can be made by arranging mechanical slip column 25.
Master cylinder 20, lower master cylinder 23 and secondary cylinder 24 are respectively by hydraulic press drive.
The main body of hydraulic press can be arranged on work top 6 or ground, and the main body of hydraulic press is connected with master cylinder 20, secondary cylinder 24, lower master cylinder 23 by the oil piping system of hydraulic press.
The course of work of positive and negative drawing machine of the present utility model and forward and backward compound drawing die tool is as follows,
The first step, forward stretches:
1, consult Fig. 4 a, first circle circle material (its diameter is selected according to actual needs) is placed in the blowing position of lower holding pad and locates;
2, Fig. 5 is consulted, drive master cylinder to promote central sill by hydraulic press to move downward, and die, punch and holding pad move downward together with central sill, first allow die face near lower holding pad, and make die face push down in the blowing position of lower holding pad by circle material, like this, die face and lower holding pad just constitute one group for pushing down the outer binder assembly of the circle material (especially the edge of circle material) be positioned on lower holding pad, now, punch and holding pad still have a segment distance from concavo-convex die face;
3, consult Fig. 7, continue to allow central sill move downward, now, die coordinates with concave-convex mold convex surface, starts to carry out forward stretching to circle material, and in this process, die and lower holding pad are synchronous declines;
4, Fig. 9 is consulted, secondary cylinder is first driven descending by master cylinder, when central sill comes downwards to lower limit stop bit (lower limit stop bit is the position preset), complete forward to stretch, obtain first shaping staving (consulting Figure 16), now, holding pad is near concavo-convex die face, and make holding pad push down in concavo-convex die face by circle material, like this, holding pad and concavo-convex die face just constitute binder assembly in a group, in the present embodiment, the opening part of first shaping staving does not have shirt rim (consulting Figure 16), because the edge of circle material stretched completely when forward stretches;
Second step, negative drawing:
5, Figure 10 is consulted, when central sill comes downwards to lower limit stop bit, central sill stop motion, secondary cylinder passes through optoelectronic switch (not shown) Signal transmissions to time relay (not shown), and start working after receiving instruction, secondary cylinder continues descending, drive secondary cylinder to promote punch by hydraulic press to move downward, now, punch and concave-convex mold fit inside, start to carry out negative drawing to circle material;
6, Figure 12 is consulted, when punch comes downwards to lower limit stop bit, complete negative drawing, obtain the shaping staving of second time and (consult Figure 17, the degree of depth of the shaping staving of second time is greater than the degree of depth of first shaping staving, and the diameter of the shaping staving of second time is less than the diameter of first shaping staving), in the present embodiment, the opening part of the second shaping staving is (the consulting Figure 17) of leaving shirt rim 101, wherein, this shirt rim 101 is formed between holding pad and concavo-convex die face and (consults Figure 13);
3rd step, discharging:
7, Figure 14 is consulted, after completing negative drawing, secondary cylinder accepts the first return of instruction, then is driven by master cylinder, with master cylinder together return, by hydraulic press drive master cylinder and secondary cylinder to promote respectively upper limit stop bit (upper limit stop bit is the position preset) that central sill and punch move up to central sill;
8, Figure 15 is consulted, under driving lower master cylinder to promote by hydraulic press, dynamic movement plate, lower holding pad and counterdie liftout plate move up to the upper limit stop bit of lower dynamic movement plate, push away the shaping staving of second time be positioned at inside concave-convex mold is exited inside concave-convex mold in the process that counterdie liftout plate moves upward.
Claims (8)
1. a forward and backward compound drawing die tool, comprises upper die and lower die, it is characterized in that:
Described counterdie comprises work top and is located at the concave-convex mold on work top, lower holding pad, counterdie liftout plate and lower dynamic movement plate, described lower holding pad is placed on outside concave-convex mold, described counterdie liftout plate is located in inside concave-convex mold, described lower dynamic movement plate connects with lower holding pad and counterdie liftout plate respectively, moves under the promotion of lower dynamic movement plate to make lower holding pad and counterdie liftout plate along the axis direction of concave-convex mold;
Described patrix comprises central sill and is located at die, punch and the holding pad on central sill, and described die, punch and concave-convex mold are coaxial, and described holding pad is placed on outside punch;
Described die coordinates with concave-convex mold convex surface, described punch and concave-convex mold fit inside, and die face and lower holding pad form one group of outer binder assembly, and described holding pad and concavo-convex die face form binder assembly in a group.
2. forward and backward compound drawing die tool according to claim 1, it is characterized in that: between described lower holding pad and lower dynamic movement plate, be provided with counterdie fore-set, knock-pin is provided with between described counterdie liftout plate and lower dynamic movement plate, described lower holding pad and counterdie liftout plate fixedly mount respectively by counterdie fore-set and knock-pin and lower dynamic movement plate, are synchronized with the movement to make lower dynamic movement plate, lower holding pad and counterdie liftout plate.
3. forward and backward compound drawing die tool according to claim 1, it is characterized in that: described central sill is provided with cope match-plate pattern, patrix column is provided with between die and cope match-plate pattern, die is fixedly mounted by patrix column and cope match-plate pattern, described holding pad is fixedly mounted on patrix column, and cope match-plate pattern is fixedly mounted on central sill.
4. forward and backward compound drawing die tool according to claim 1, is characterized in that: described concave-convex mold is cylindrical.
5. forward and backward compound drawing die tool according to claim 1, is characterized in that: described central sill is provided with punch retainer, and punch is arranged on punch retainer to make punch under the promotion of punch retainer towards concave-convex mold medial motion.
6. a positive and negative drawing machine, comprises upper beam, mechanical slip column, hydraulic press and forward and backward compound drawing die tool, it is characterized in that:
Mechanical slip column is arranged on work top, and upper beam is arranged on mechanical slip column;
The forward and backward compound drawing die tool of described forward and backward compound drawing die tool any one of Claims 1-4 described in claim;
Described hydraulic press is connected with central sill by a master cylinder, is moved by the axis direction of master cylinder promotion central sill along punch to make hydraulic press;
Described hydraulic press passes through master cylinder and connects with lower dynamic movement plate, and under being promoted by lower master cylinder to make hydraulic press, dynamic movement plate moves along the axis direction of concave-convex mold.
7. positive and negative drawing machine according to claim 6, is characterized in that:
Described central sill is provided with punch retainer, and punch is arranged on punch retainer to make the axis direction of punch along concave-convex mold under the promotion of punch retainer move;
Described hydraulic press is connected with punch retainer by a secondary cylinder, passes through secondary cylinder promote punch retainer motion to make hydraulic press.
8. the positive and negative drawing machine according to claim 6 or 7, is characterized in that: mechanical slip column passes central sill and coordinates with central sill slippage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520587569.2U CN204912484U (en) | 2015-08-06 | 2015-08-06 | Positive reverse -drawing compound die utensil and positive and negative stretcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520587569.2U CN204912484U (en) | 2015-08-06 | 2015-08-06 | Positive reverse -drawing compound die utensil and positive and negative stretcher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204912484U true CN204912484U (en) | 2015-12-30 |
Family
ID=54961668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520587569.2U Expired - Fee Related CN204912484U (en) | 2015-08-06 | 2015-08-06 | Positive reverse -drawing compound die utensil and positive and negative stretcher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204912484U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106513484A (en) * | 2016-12-23 | 2017-03-22 | 佛山市永恒液压机械有限公司 | Stretcher for filter housing |
| CN109530518A (en) * | 2018-12-29 | 2019-03-29 | 无锡市振华亿美嘉科技有限公司 | Lock support triple action stretching-machine and drawing process |
| CN109677013A (en) * | 2018-12-10 | 2019-04-26 | 浙江国豪机械有限公司 | A kind of paper cap molding machine and paper cap forming method and paper cap |
| CN109702086A (en) * | 2017-11-25 | 2019-05-03 | 浙江贝仕迪智能科技有限公司 | Positive and negative combined drawing die tool and oil pressure unit |
-
2015
- 2015-08-06 CN CN201520587569.2U patent/CN204912484U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106513484A (en) * | 2016-12-23 | 2017-03-22 | 佛山市永恒液压机械有限公司 | Stretcher for filter housing |
| CN109702086A (en) * | 2017-11-25 | 2019-05-03 | 浙江贝仕迪智能科技有限公司 | Positive and negative combined drawing die tool and oil pressure unit |
| CN109677013A (en) * | 2018-12-10 | 2019-04-26 | 浙江国豪机械有限公司 | A kind of paper cap molding machine and paper cap forming method and paper cap |
| CN109677013B (en) * | 2018-12-10 | 2024-03-15 | 浙江国豪机械有限公司 | Paper cover forming machine, paper cover forming method and paper cover |
| CN109530518A (en) * | 2018-12-29 | 2019-03-29 | 无锡市振华亿美嘉科技有限公司 | Lock support triple action stretching-machine and drawing process |
| CN109530518B (en) * | 2018-12-29 | 2023-05-30 | 无锡市振华亿美嘉科技有限公司 | Lock support three-action type stretching machine and stretching method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105107922A (en) | Barrel stretch forming process and barrel manufactured by process | |
| CN204912484U (en) | Positive reverse -drawing compound die utensil and positive and negative stretcher | |
| CN101758139B (en) | Cold stamping die for aluminium foil container | |
| CN203979043U (en) | Glass door pressing machine | |
| CN104759532A (en) | Rim hemming one-step forming die | |
| CN110881495A (en) | Moon cake forming machine | |
| CN204735615U (en) | Flaring, shaping push away mould device | |
| CN204052602U (en) | A kind of mould producing semi-hollow self-pierce riveting rivet | |
| CN203002941U (en) | Composite mould for shaping and trimming drawn flange part | |
| CN203184414U (en) | Step-by-step stretching forming die | |
| CN102825139A (en) | Hemming die of bending machine | |
| CN207657490U (en) | A kind of tableware processing embossing machine | |
| CN202241962U (en) | Automobile carpet walk-in type mould structure | |
| CN205818504U (en) | A kind of quick briquetting device of machining scrap | |
| CN206464416U (en) | A kind of punching type mould automatic assembly line | |
| CN102794820B (en) | Mould processing device for insulation plate | |
| CN205629114U (en) | Shake window guide rail transmission mould | |
| CN103480730A (en) | Claw pole red trimming and punching compound die frame | |
| CN203830619U (en) | Three-position tool adjusting mechanism for bearing forging | |
| CN202762847U (en) | Bending machine mould used for bending hem | |
| CN106584905A (en) | Device for quickly briquetting processing scraps of electrolysis raw materials | |
| CN203875215U (en) | Continuous stamping die | |
| CN106734575B (en) | A kind of processing technology of punching type moulding lines | |
| CN203764763U (en) | Bending die for automobile gear plate | |
| CN103144339A (en) | One-step forming hydraulic press |
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: 20151230 Termination date: 20180806 |