CN203900265U - Die structure for punching salient point - Google Patents
Die structure for punching salient point Download PDFInfo
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- CN203900265U CN203900265U CN201420332859.8U CN201420332859U CN203900265U CN 203900265 U CN203900265 U CN 203900265U CN 201420332859 U CN201420332859 U CN 201420332859U CN 203900265 U CN203900265 U CN 203900265U
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- counterdie
- salient point
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- 238000004080 punching Methods 0.000 title abstract description 17
- 230000000694 effects Effects 0.000 claims description 46
- 239000002184 metal Substances 0.000 abstract description 6
- 230000037431 insertion Effects 0.000 abstract 4
- 238000003780 insertion Methods 0.000 abstract 4
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000009966 trimming Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model discloses a die structure for punching a salient point, belongs to the field of die structures, and provides a die structure, which is convenient for detaching a salient point puncher pin and a salient point punching groove and is used for punching a salient point in a metal back plate of a flat television. The die structure comprises an upper die and a lower die, wherein the lower die is provided with the detachable salient point puncher pin; the puncher pin upper end face of the salient point puncher pin is higher than the lower die parting surface of the lower die; the upper die is provided with a detachable upper die insertion block; the upper die insertion block is provided with the salient point punching groove; the salient point punching groove corresponds to the salient point puncher pin. The upper die insertion block and the salient point puncher pin are detachable, so that corresponding trimming or replacement can be performed conveniently, and meanwhile the accuracy of the punched salient point is high. A lower die is provided with a lower die movable insertion block, so that a workpiece can be demolded more easily. Moreover, a limiting push nail can be arranged on the upper die, so that greater convenience is brought to demolding. The die structure can be applied to an automatic production line in a matching way.
Description
Technical field
The utility model relates to a kind of mould structure field, is that a kind of metal backing for flat panel TV is for the mould structure of raising point specifically.
Background technology
On the metal backing of flat panel TV, conventionally need to design some salient points, these salient points are a kind of location structures for positioning lamp bar.In order to prevent the positioning when shaking of lamp bar, therefore higher to the dimension precision requirement of salient point, when guarantee is installed positioning lamp bar like this, coordinate closely.Because generally adopting diel, gets salient point, and the size of salient point is determined by many factors such as thickness of workpiece, drift size and jet-bedding sizes conventionally, therefore drift and jet-bedding etc. partly conventionally need to be through finishing or pairing tests repeatedly, just can make the bump structure of getting meet the requirements, therefore require mould structure for convenience detach; In addition, for the different positioning lamp bar structure of correspondence, may need the external diameter of salient point thereupon different, so just need to a kind ofly can be convenient for changing mould structure, to get the mould structure of the salient point of various outer diameter size.
Utility model content
The technical problem that the utility model solves is to provide a kind of mould structure of the metal backing raising point for flat panel TV, this mould structure is convenient to be dismantled salient point drift and salient point jet-bedding, and adopts the dimensional accuracy of the salient point that this mould structure gets higher.
The utility model solves the technical scheme that its technical problem adopts: the mould structure for raising point, comprises upper die and lower die; On counterdie, be provided with dismountable salient point drift; The drift upper surface of salient point drift is higher than the counterdie die joint of counterdie; On patrix, be provided with dismountable patrix and enter piece, at patrix, enter on piece to be provided with salient point jet-bedding, this salient point jet-bedding is corresponding with salient point drift; On salient point drift, also cover has movably counterdie activity to enter piece, and counterdie activity enters piece and is connected with the screw plug being fixed on counterdie by spring; When parting, counterdie activity enters the upper surface of piece higher than drift upper surface; When matched moulds, it is coplanar that counterdie activity enters upper surface and the counterdie die joint of piece.
Further: salient point drift enters piece below counterdie by being arranged on counterdie activity is fixed into piece and is arranged on counterdie; Counterdie is fixed into piece and is enclosed within on salient point drift, and is connected by screw and counterdie are dismountable.
Further: in counterdie activity, enter on piece, to be provided with movable spacing preiection, at counterdie, be fixed into and on piece, be provided with fixedly spacing preiection; Movable spacing preiection is with fixedly spacing preiection is corresponding.
Further: on patrix, be also provided with spacing ejector pin, one end of spacing ejector pin is connected with the screw plug being fixed on patrix by spring; It is through-hole structure that patrix enters the salient point jet-bedding arranging on piece, and the ejector rod part of spacing ejector pin is movably inserted in salient point jet-bedding.
Further: on described spacing ejector pin, be provided with stroke limit block, patrix enters after piece is installed to patrix to form a stroke limit cavity; Stroke limit block coordinates with stroke limit cavity.
Further: described patrix comprises upper bolster, train wheel bridge, upper baffle plate and up stripper from top to bottom successively; Patrix is set on up stripper and enters piece groove; Patrix enters piece and is arranged on patrix and enters in piece groove, and is arranged on upper baffle plate by screw; Described counterdie comprises lower bolster, lower bolster and die shoe from top to bottom successively; On lower bolster, be provided with counterdie and enter piece groove; Salient point drift is arranged on counterdie and enters in piece groove, and is arranged on lower bolster by screw.
The beneficial effects of the utility model are: by dismountable salient point drift is set on counterdie; Simultaneously dismountable patrix is set on patrix and enters piece, patrix enters on piece, to be provided with the salient point jet-bedding coordinating with salient point drift; Salient point drifts and the corresponding patrix that by dismantling, can to mould, repair fast, match or change so different sizes enter piece, and by the cooperation of different salient point drift and salient point jet-bedding, the salient point of various outer diameter size can be got, the requirement that the salient point on metal backing is had to different sizes can be met.Meanwhile, due to the cooperation of salient point drift and salient point jet-bedding, when raising point, the inside and outside contour of salient point is all restricted, and can make the precision of the bump size got higher.And by counterdie activity is set on counterdie, enter piece, counterdie activity enters piece and is enclosed within on salient point drift, can when the demoulding, to workpiece, play a role in promoting, and facilitates the demoulding of workpiece.Also spacing ejector pin can be set on patrix in addition, spacing ejector pin also can play booster action to workpiece when the demoulding, conveniently stripped.The mounting means of salient point drift can also be fixed into piece by counterdie and realize dismountable installation, can make the dismounting of mould convenient.
Accompanying drawing explanation
Fig. 1 is structural representation described in the utility model, and wherein upper die and lower die are in parting state;
Fig. 2 is the structural representations of the upper die and lower die shown in Fig. 1 when matched moulds state;
Fig. 3 is the enlarged diagram of regional area A in Fig. 1;
Fig. 4 is according to the enlarged diagram of graph region B in Fig. 2;
Fig. 5 is a kind of structural representation of counterdie;
Fig. 6 is the structural representation of another kind of counterdie;
Fig. 7 is the partial schematic diagram of Ccope closing machine face front view;
Fig. 8 is the partial schematic diagram of the counterdie land area front view of lower die structure shown in Fig. 5;
In figure, be labeled as: patrix 1, upper bolster 11, train wheel bridge 12, upper baffle plate 13, up stripper 14, patrix enters piece groove 141, patrix die joint 15, counterdie 2, counterdie die joint 21, lower bolster 22, counterdie enters piece groove 221, lower bolster 23, die shoe 24, salient point drift 3, drift upper surface 31, counterdie activity enters piece 4, upper surface 41, movable spacing preiection 42, connecting rod 43, spring 5, screw plug 6, patrix enters piece 7, salient point jet-bedding 71, stroke limit cavity 72, lower surface 73, counterdie is fixed into piece 8, fixedly spacing preiection 81, mounting blocks 82, fixed block 83, screw 9, spacing ejector pin 10, push rod 101, stroke limit block 102, push rod end face 103, workpiece 201.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further illustrated.
As shown in Fig. 1 to Fig. 8, the mould structure for raising point described in the utility model, comprises patrix 1 and counterdie 2; On counterdie 2, be provided with dismountable salient point drift 3; The drift upper surface 31 of salient point drift 3 is higher than the counterdie die joint 21 of counterdie 2; On patrix 1, be provided with dismountable patrix and enter piece 7, at patrix, enter on piece 7 to be provided with salient point jet-bedding 71, this salient point jet-bedding 71 is corresponding with salient point drift 3; On salient point drift 3, also cover has movably counterdie activity to enter piece 4, and counterdie activity enters piece 4 and is connected with the screw plug 6 being fixed on counterdie 2 by spring 5; When parting, counterdie activity enters the upper surface 41 of piece 4 higher than drift upper surface 31; When matched moulds, it is coplanar with counterdie die joint 21 that counterdie activity enters the upper surface 41 of piece 4.
Wherein, salient point drift 3 needs dismountable being arranged on counterdie 2, can be convenient for changing salient point drift 3 like this, to get the bump structure of different size.The installation of salient point drift 3 preferably adopts screw to connect simultaneously conventionally, also need on counterdie 2, arrange in addition one for the groove of salient point drift 3 is installed, and makes the salient point drift 3 after installing only have the head part of drift higher than counterdie die joint 21; And need to arrange a dismountable patrix on patrix 1, enter piece 7, its mounting means also can adopt screw to install; At patrix, enter a salient point jet-bedding 71 is set on piece 7 in addition; Salient point jet-bedding 71 coordinates with salient point drift 3, when matched moulds, act on respectively the both sides of workpiece 201, make workpiece 201 stamp out corresponding bump structure, due to the bump structure of getting, its outline is subject to the constraint of salient point jet-bedding 71, and interior profile is subject to the constraint of salient point drift 3, the dimensional accuracy of the salient point of therefore getting is relatively high.And the degree of depth and the width of salient point jet-bedding 71 are greater than the size that salient point drift 3 exceeds counterdie die joint 21 parts conventionally.
On salient point drift 3, sheathed counterdie activity enters piece 4 simultaneously, and counterdie activity enters piece 4 and is connected with the screw plug 6 being fixed on counterdie 2 by spring 5.The effect that counterdie activity enters piece 4 is, when parting, workpiece 201 is played to certain thrust, conveniently stripped.The cooperation of screw plug 6 and spring 5 can also be played the effect that regulates thrust size by set screw plug 6.Conventionally, counterdie activity enters piece 4 and should meet: when patrix 1 and counterdie 2 are during in parting, counterdie activity enters the upper surface 41 of piece 4 higher than drift upper surface 31; And when matched moulds, it is coplanar with counterdie die joint 21 that counterdie activity enters the upper surface 41 of piece 4; Counterdie activity enters piece 4 like this could not affect punching press bump structure when matched moulds, when parting, workpiece 201 is played to thrust simultaneously.
In addition can also counterdie activity enter piece 4 below a counterdie be set be again fixed into piece 8, it is to be also enclosed within on salient point drift 3 that counterdie is fixed into piece 8, then by screw 9, counterdie being fixed into piece 8 is fixedly mounted on counterdie 2, counterdie is fixed into piece 8 and is enclosed within on salient point drift 3, salient point drift 3 is fixed on counterdie 2 simultaneously; When needs are changed salient point drift 3, only need dismounting fixedly counterdie be fixed into the screw 9 of piece 8.
In the situation that being provided with counterdie activity and entering piece 4 and counterdie and be fixed into piece 8: counterdie can adopt structure as shown in Figure 6, i.e. the upper end that counterdie activity enters piece 4 is not subject to travel limits, by the elastic force controller counterdie activity of spring, enter piece 4 strokes.Also can adopt structure as shown in Figure 5, in counterdie activity, enter movable spacing preiection 42 on piece 4, at counterdie, be fixed into fixedly spacing preiection 81 is set on piece 8, by movable spacing preiection 42 and fixedly the cooperation of spacing preiection 81 further can restriction activity enter the moving range of piece 4, constraint activity enters the upper end stroke of piece 4, and the activity of preventing enters piece 4 because the excessive and whole counterdie die joint 21 that stretches out counterdie 2 of elastic force of spring 5; Now, can further counterdie be fixed into piece 8 and be divided into two-part structure, be respectively mounting blocks 82, fixed block 83, fixedly spacing preiection 81 is arranged on mounting blocks 82, like this can be convenient carry out dismounting.In addition, activity enters being connected of piece 4 and spring 5, can adopt structure as shown in Figure 6, and spring 5 directly enters piece 4 with interaction and is connected; Also can adopt structure as shown in Figure 5, in spring 5 and activity, enter between piece 4, a connecting rod 43 to be set and to carry out transition connection.
In addition, spacing ejector pin 10 can be set on patrix 1, one end of spacing ejector pin 10 is connected with the screw plug 6 being fixed on patrix 1 by spring 5; Patrix is entered to the salient point jet-bedding 71 arranging on piece 7 simultaneously and make through-hole structure, push rod 101 parts of spacing ejector pin 10 are movably inserted in salient point jet-bedding 71.The effect of spacing ejector pin 10 is to promote workpiece 201, facilitates workpiece 201 demouldings.Conventionally can also on spacing ejector pin 10, stroke limit block 102 be set, and enter corresponding stopper slot is set on piece 7 at patrix, after patrix enters piece 7 and is installed on patrix 1, coordinate with patrix 1 and form stroke limit cavity 72; 102 of stroke limit blocks are arranged in stroke limit cavity 72, and are subject to the restriction of stroke.When to workpiece 201 punching press salient point, salient point drift 3 stamped workpieces 201, make workpiece 201 distortion, and promote push rod 101 and move up, finally, when stroke limit block 102 is subject to 72 restrictions of stroke limit cavity and no longer moves, push rod 101 retrains the outline of salient point jointly with salient point jet-bedding 71.
In addition, patrix 1 comprises upper bolster 11, train wheel bridge 12, upper baffle plate 13 and up stripper 14 from top to bottom successively; Patrix is set on up stripper 14 and enters piece groove 141; Patrix enters piece 7 and is arranged on patrix and enters in piece groove 141, and is arranged on upper baffle plate 13 by screw 9; Described counterdie 2 comprises lower bolster 22, lower bolster 23 and die shoe 24 from top to bottom successively; On lower bolster 22, be provided with counterdie and enter piece groove 221; Salient point drift 3 is arranged on counterdie and enters in piece groove 221, and is arranged on lower bolster 23 by screw 9.When being provided with counterdie and being fixed into piece 8, counterdie is fixed into piece 8 and is enclosed within on salient point drift 3, by screw 9, is being arranged on lower bolster 23.
When needs on 201 during a plurality of bump structure of punching press, can arrange the structure of multipair salient point drift 3 and salient point jet-bedding 7 on a workpiece on mould, make a matched moulds punching press can realize a plurality of salient points of punching press; Also the structure of a pair of salient point drift 3 and salient point jet-bedding 7 can be only set, when a plurality of bump structure of needs punching press, by travelling workpiece 201, and complete in conjunction with matched moulds punching press repeatedly.
Further illustrate the working condition of mould when parting and punching press matched moulds below.As shown in figures 1 and 3, when parting state, separately, the upper surface 41 that counterdie activity enters piece 4 exceeds drift upper surface 31 for Ccope closing machine face 15 and counterdie land area 21, and drift upper surface 31 exceeds counterdie land area 21; And the push rod end face 103 of push rod 101 also exceeds Ccope closing machine face 15; The movable spacing preiection 42 that counterdie activity enters on piece 4 is simultaneously subject to the fixedly constraint of spacing preiection 81, and the lower end of the stroke limit block 102 on spacing ejector pin 10 is subject to the restriction of stroke limit cavity 72.
As Fig. 2 and Fig. 4, when punching press bump structure, workpiece 201 is placed between patrix 1 and counterdie 2, then matched moulds; Counterdie activity enters that piece 4 is stressed to be moved down, until its lower end is restricted, it is equal with counterdie die joint 21 that now counterdie activity enters the upper surface 41 of piece 4; And counterdie die joint 21 is exposed in the upper part of salient point drift 3, and workpiece 201 is carried out to punching press; Stressed the moving up of spacing ejector pin 10 on patrix 1, the push rod end face 103 of push rod 101 is retracted in salient point jet-bedding 71, and form a spill cavity, salient point drift 3 extruding workpiece 201, workpiece 201 is out of shape and clamp-ons in spill cavity, when the upper end of spacing ejector pin 10 up stroke positive stops 102 is subject to the restriction of stroke limit cavity 72 and stops when mobile, push rod 101 coordinates the outer profile size of the common restriction bump structure of salient point jet-bedding 71, and the in-profile size of bump structure is by 3 restrictions of salient point drift.
After punching press finishes, separately, counterdie activity enters piece 4 and is subject to the effect of spring 5 and the reset that moves up patrix 1 and counterdie 2, and to workpiece, certain thrust is played in 201 demouldings; The effect that spacing ejector pin 10 is subject to spring 5 moves down reset, and to workpiece, certain thrust is played in 201 demouldings.
Mould structure for raising point described in the utility model, the drift size of its salient point drift 3 and structure are also unrestricted, but salient point size and the structures shape that conventionally need to beat according to actual needs, also will consider the factors such as thickness of workpiece, salient point jet-bedding 7 also needs comprehensively to determine according to the many factors such as size of the required salient point size of reality and salient point drift 3 simultaneously.
Mould structure for raising point described in the utility model, can be used in conjunction with on automatic assembly line in addition, and the metal backing that meets flat panel TV adopts the mass-produced requirement of automatic assembly line.
Claims (6)
1. for the mould structure of raising point, comprise patrix (1) and counterdie (2), it is characterized in that: on counterdie (2), be provided with dismountable salient point drift (3); The drift upper surface (31) of salient point drift (3) is higher than the counterdie die joint (21) of counterdie (2); On patrix (1), be provided with dismountable patrix and enter piece (7), at patrix, enter on piece (7) to be provided with salient point jet-bedding (71), this salient point jet-bedding (71) is corresponding with salient point drift (3); On salient point drift (3), also cover has movably counterdie activity to enter piece (4), and counterdie activity enters piece (4) and is connected with the screw plug (6) being fixed on counterdie (2) by spring (5); When parting, counterdie activity enters the upper surface (41) of piece (4) higher than drift upper surface (31); When matched moulds, the upper surface (41) that counterdie activity enters piece (4) is coplanar with counterdie die joint (21).
2. the mould structure for raising point as claimed in claim 1, is characterized in that: salient point drift (3) enters piece (4) below counterdie by being arranged on counterdie activity is fixed into piece (8) and is arranged on counterdie (2); Counterdie is fixed into piece (8) and is enclosed within salient point drift (3) above, and by screw (9) and dismountable connection of counterdie (2).
3. the mould structure for raising point as claimed in claim 2, is characterized in that: in counterdie activity, enter on piece (4), to be provided with movable spacing preiection (42), at counterdie, be fixed into and on piece (8), be provided with fixedly spacing preiection (81); Movable spacing preiection (42) is with fixedly spacing preiection (81) is corresponding.
4. as claimed any one in claims 1 to 3 for the mould structure of raising point, it is characterized in that: on patrix (1), be also provided with spacing ejector pin (10), one end of spacing ejector pin (10) is connected with the screw plug (6) being fixed on patrix (1) by spring (5); It is through-hole structure that patrix enters the upper salient point jet-bedding (71) arranging of piece (7), and push rod (101) part of spacing ejector pin (10) is movably inserted in salient point jet-bedding (71).
5. the mould structure for raising point as claimed in claim 4, it is characterized in that: on described spacing ejector pin (10), be provided with stroke limit block (102), patrix enters after piece (7) is installed to patrix (1) to form a stroke limit cavity (72); Stroke limit block (102) coordinates with stroke limit cavity (72).
6. as claimed any one in claims 1 to 3 for the mould structure of raising point, it is characterized in that: described patrix (1) comprises upper bolster (11), train wheel bridge (12), upper baffle plate (13) and up stripper (14) from top to bottom successively; Patrix is set on up stripper (14) and enters piece groove (141); Patrix enters piece (7) and is arranged on patrix and enters in piece groove (141), and is arranged on upper baffle plate (13) by screw (9); Described counterdie (2) comprises lower bolster (22), lower bolster (23) and die shoe (24) from top to bottom successively; On lower bolster (22), be provided with counterdie and enter piece groove (221); Salient point drift (3) is arranged on counterdie and enters in piece groove (221), and is arranged on lower bolster (23) by screw (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420332859.8U CN203900265U (en) | 2014-06-20 | 2014-06-20 | Die structure for punching salient point |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420332859.8U CN203900265U (en) | 2014-06-20 | 2014-06-20 | Die structure for punching salient point |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203900265U true CN203900265U (en) | 2014-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420332859.8U Expired - Lifetime CN203900265U (en) | 2014-06-20 | 2014-06-20 | Die structure for punching salient point |
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| Country | Link |
|---|---|
| CN (1) | CN203900265U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105598279A (en) * | 2015-12-29 | 2016-05-25 | 湖南大学 | Multifunctional concave mold structure |
| CN105598292A (en) * | 2016-01-27 | 2016-05-25 | 太仓旺美模具有限公司 | Side folding projection punching mold |
| CN105598298A (en) * | 2015-12-29 | 2016-05-25 | 湖南大学 | Precise cold stamping upward forming plate material prior contact mechanism |
| CN105921615A (en) * | 2016-04-20 | 2016-09-07 | 昆山集鑫成精密模具有限公司 | Forming die for large television backplane |
| CN109290451A (en) * | 2018-11-21 | 2019-02-01 | 安徽合力股份有限公司 | Forklift truck transverse beam casted die mould |
| CN109622710A (en) * | 2018-12-26 | 2019-04-16 | 湖北航嘉麦格纳座椅系统有限公司 | Stamping equipment, the molding die component of sheath salient point and moulding process |
| WO2020010865A1 (en) * | 2018-07-12 | 2020-01-16 | 郑州云海信息技术有限公司 | Stamping bump structure, and mold and molding method therefor |
| CN110756667A (en) * | 2019-11-07 | 2020-02-07 | 苏州三维精密机械有限公司 | Small-space swinging and convex-beating structure and swinging and convex-beating method thereof |
| CN110918785A (en) * | 2019-11-14 | 2020-03-27 | 四川省菲娅医疗器械有限公司 | Bracket net bottom stamping die and bracket net bottom stamping method |
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2014
- 2014-06-20 CN CN201420332859.8U patent/CN203900265U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105598298A (en) * | 2015-12-29 | 2016-05-25 | 湖南大学 | Precise cold stamping upward forming plate material prior contact mechanism |
| CN105598279B (en) * | 2015-12-29 | 2018-01-09 | 湖南大学 | A kind of multi-functional cavity die structure |
| CN105598279A (en) * | 2015-12-29 | 2016-05-25 | 湖南大学 | Multifunctional concave mold structure |
| CN105598292A (en) * | 2016-01-27 | 2016-05-25 | 太仓旺美模具有限公司 | Side folding projection punching mold |
| CN105921615A (en) * | 2016-04-20 | 2016-09-07 | 昆山集鑫成精密模具有限公司 | Forming die for large television backplane |
| CN105921615B (en) * | 2016-04-20 | 2018-07-13 | 江苏集鑫成精密工业有限公司 | A kind of large-scale tv machine backboard molding die |
| WO2020010865A1 (en) * | 2018-07-12 | 2020-01-16 | 郑州云海信息技术有限公司 | Stamping bump structure, and mold and molding method therefor |
| CN109290451A (en) * | 2018-11-21 | 2019-02-01 | 安徽合力股份有限公司 | Forklift truck transverse beam casted die mould |
| CN109622710A (en) * | 2018-12-26 | 2019-04-16 | 湖北航嘉麦格纳座椅系统有限公司 | Stamping equipment, the molding die component of sheath salient point and moulding process |
| CN110756667A (en) * | 2019-11-07 | 2020-02-07 | 苏州三维精密机械有限公司 | Small-space swinging and convex-beating structure and swinging and convex-beating method thereof |
| CN110756667B (en) * | 2019-11-07 | 2024-05-17 | 苏州三维精密金属制品有限公司 | Small-space swinging and embossing structure and swinging and embossing method thereof |
| CN110918785A (en) * | 2019-11-14 | 2020-03-27 | 四川省菲娅医疗器械有限公司 | Bracket net bottom stamping die and bracket net bottom stamping method |
| CN110918785B (en) * | 2019-11-14 | 2021-06-25 | 四川省菲娅医疗器械有限公司 | Bracket net bottom stamping die and bracket net bottom stamping method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141029 |