CN211191442U - Multidirectional composite ultrasonic vibration auxiliary extrusion forming processing equipment - Google Patents
Multidirectional composite ultrasonic vibration auxiliary extrusion forming processing equipment Download PDFInfo
- Publication number
- CN211191442U CN211191442U CN201921537636.4U CN201921537636U CN211191442U CN 211191442 U CN211191442 U CN 211191442U CN 201921537636 U CN201921537636 U CN 201921537636U CN 211191442 U CN211191442 U CN 211191442U
- Authority
- CN
- China
- Prior art keywords
- ultrasonic vibration
- ultrasonic
- extrusion
- transducer
- double
- 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.)
- Active
Links
Images
Landscapes
- Press-Shaping Or Shaping Using Conveyers (AREA)
Abstract
The utility model provides a multidirectional compound ultrasonic vibration assists extrusion forming processing equipment, including the top board, the holding down plate, double-transducer ultrasonic vibration platform and at least one ultrasonic vibration system, top board and holding down plate set up relatively, double-transducer ultrasonic vibration platform is fixed in the top board, be equipped with the extrusion forming mould on the holding down plate, ultrasonic vibration system fixes around the extrusion forming mould, double-transducer ultrasonic vibration platform includes the supersound amplitude transformer, the lower terminal surface of supersound amplitude transformer is equipped with a vertical extrusion tool at least, ultrasonic vibration system includes the amplitude transformer, the amplitude transformer end is equipped with horizontal extrusion tool, can realize multidirectional compound ultrasonic vibration assists extrusion forming processing through controlling double-transducer ultrasonic vibration platform and ultrasonic vibration system respectively. The utility model has the advantages that: the bidirectional ultrasonic auxiliary extrusion forming processing of the workpiece to be formed is realized by mounting the double-transducer ultrasonic vibration platform and the plurality of ultrasonic vibration systems in a small space height.
Description
Technical Field
The utility model relates to an extrusion equipment technical field especially relates to a multidirectional compound ultrasonic vibration assists extrusion processing equipment.
Background
The ultrasonic vibration assisted forming process is one of the leading research directions in the field of metal part plastic forming at present. In the ultrasonic vibration assisted plastic forming process, an ultrasonic system generates ultrasonic frequency mechanical vibration through an ultrasonic power supply, an ultrasonic transducer and an ultrasonic amplitude transformer, increases the amplitude of the vibration, and transmits the vibration to a plastic forming tool or a processed workpiece to generate high-frequency resonance, so that the ultrasonic vibration assisted plastic forming process is realized.
In the supplementary conventional extrusion forming process research of current ultrasonic vibration, ultrasonic transducer and the ultrasonic vibration system that ultrasonic horn constitutes generally set up along vertical extrusion direction, the end and the conventional extrusion instrument of ultrasonic horn are connected as a whole and are realized the high frequency vibration of vertical direction or horizontal direction, because the ultrasonic equipment of vertical placing needs great installation space, and the ultrasonic vibration of applying can only be applyed on extrusion instrument, and extrusion direction can only be in single vertical direction or horizontal direction, can not realize the compound ultrasonic extrusion of a plurality of directions simultaneously, not only be unfavorable for installing on current press, and the ultrasonic effect of applying also does not reach the best.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the present invention provides a multidirectional combined ultrasonic vibration assisted extrusion forming processing apparatus.
The embodiment of the utility model provides a multidirectional composite ultrasonic vibration auxiliary extrusion forming processing device, which comprises an upper pressure plate, a lower pressure plate, a double-transducer ultrasonic vibration platform and at least one ultrasonic vibration system, the upper pressure plate and the lower pressure plate are oppositely arranged, the double-transducer ultrasonic vibration platform is fixed on the upper pressure plate, the lower pressing plate is provided with an extrusion forming die, the ultrasonic vibration system is fixed around the extrusion forming die, the double-transducer ultrasonic vibration platform comprises an ultrasonic amplitude transformer, the lower end surface of the ultrasonic amplitude transformer is at least provided with a vertical extrusion tool, the ultrasonic vibration system comprises an amplitude transformer, a transverse extrusion tool is arranged at the tail end of the amplitude transformer, the double-transducer ultrasonic vibration platform is used for driving the vertical extrusion tool to generate ultrasonic vibration in the vertical direction, the ultrasonic vibration system is used for driving the transverse extrusion tool to generate ultrasonic vibration in the horizontal direction.
The dual-transducer ultrasonic vibration platform further comprises two ultrasonic transducers and two ultrasonic amplitude-change rods, the left end and the right end of each ultrasonic amplitude-change device are respectively connected with one end of each ultrasonic amplitude-change rod, the other end of each ultrasonic amplitude-change rod is respectively connected with one ultrasonic transducer, and the dual-transducer ultrasonic vibration platform is a linear structure which is bilaterally symmetrical with the ultrasonic amplitude-change devices as centers.
Furthermore, the ultrasonic horn is a porous ultrasonic horn, a plurality of blind holes are formed in the lower end face of the ultrasonic horn, and the vertical extrusion tool is fixed to the lower end face of the ultrasonic horn through the blind holes.
Furthermore, a forming cavity is arranged in the extrusion forming die, and the forming cavity is used for placing a workpiece to be formed.
The upper pressing plate and the lower pressing plate are located in the rack, a driving device is arranged above the rack, an output shaft of the driving device is connected with a lead screw, the lead screw is connected with the upper pressing plate, the driving device is used for driving the lead screw to rotate, and the lead screw drives the upper pressing plate to ascend or descend.
Furthermore, a fixing rod extending downwards is arranged at the upper end of the rack, and the ultrasonic vibration system is fixed around the extrusion forming die through the fixing rod.
Further, the vertical extrusion tool and the horizontal extrusion tool are stepped cylinders.
Furthermore, a plurality of insertion holes are formed in the side face and the top face of the extrusion forming die, the hole diameter of each insertion hole is the same as the outer diameter of the tail end of each vertical extrusion tool and the tail end of each transverse extrusion tool, and the insertion holes in the side face and the top face of the extrusion forming die are communicated with the forming cavity.
Furthermore, all the ultrasonic vibration systems and the double-transducer ultrasonic vibration platform are respectively connected with an ultrasonic vibration power supply and driven by the corresponding ultrasonic vibration power supply.
The embodiment of the utility model provides a beneficial effect that technical scheme brought is:
1. the utility model discloses a horizontal ultrasonic vibration system uses conventional ultrasonic system, is applicable to the extrusion forming processing that adopts great size mould, and can apply the horizontal ultrasonic vibration system of different angles and different quantity at 360 within ranges of mould horizontal direction according to actual processing needs to reduce the transformation cost and the technology realization degree of difficulty of sample processing pressure former.
2. The utility model provides a supplementary conventional extrusion forming processing equipment of compound ultrasonic vibration can not only implement simultaneously by the compound supplementary ultrasonic vibration of shaping work piece and conventional instrument and blank transverse vibration, can also implement alone by the single supplementary ultrasonic vibration of shaping work piece or conventional instrument and blank, can also realize that the instrument adds the vibration of two liang of combinations of horizontal direction and work piece with the horizontal direction to can realize the supplementary conventional technology forming process of multiple supersound.
3. The utility model provides a supplementary conventional extrusion forming method of multidirectional compound supersound is favorable to realizing and improving metal material's lateral flow ability through the compound ultrasonic vibration of instrument, work piece, improves the problem that metal is not good at the horizontal direction mobility.
4. The utility model provides a conventional extrusion forming processing equipment is assisted to multidirectional compound ultrasonic vibration and forming method still can the wide application in other ultrasonic vibration assist extrusion forming processes, especially involves the part extrusion forming process of vertical and lateral flow technology simultaneously, if extrude T type part and flanged part, has wider application prospect.
Drawings
Fig. 1 is a schematic structural diagram of the multi-directional composite ultrasonic vibration assisted extrusion forming processing equipment of the present invention.
Fig. 2 is a schematic structural diagram of the multidirectional combined ultrasonic vibration assisted extrusion forming processing equipment of the present invention.
Fig. 3 is a left schematic view of the multi-directional composite ultrasonic vibration assisted extrusion forming processing equipment of the present invention.
Fig. 4 is a schematic structural view of the extrusion die 12 in fig. 1.
In the figure: the ultrasonic vibration forming device comprises a machine frame 1, an upper pressing plate 2, a lower pressing plate 3, a driving device 4, a lead screw 5, a fixing rod 6, a double-transducer ultrasonic vibration platform 7, an ultrasonic vibration system 8, an ultrasonic amplitude transformer 9, an amplitude transformer 10, a vertical extrusion tool 11, an extrusion forming die 12, a transverse extrusion tool 13, an ultrasonic transducer 14, an ultrasonic amplitude transformer 15, an ultrasonic vibration power supply 16, an insertion hole 17 and a forming cavity 18.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.
Referring to fig. 1 and 2, an embodiment of the present invention provides a multidirectional combined ultrasonic vibration assisted extrusion forming apparatus, including a frame 1, an upper platen 2, a lower platen 3, a dual-transducer ultrasonic vibration platform 7 and at least one ultrasonic vibration system 8.
The upper pressing plate 2 and the lower pressing plate 3 are arranged oppositely, the upper pressing plate 2 and the lower pressing plate 3 are located in the rack 1, a driving device 4 is arranged above the rack 1, an output shaft of the driving device 4 is connected with a lead screw 5, the lead screw 5 is connected with the upper pressing plate 2, the driving device 4 is used for driving the lead screw 5 to rotate, the lead screw 5 drives the upper pressing plate 2 to ascend or descend, and the driving device 4 is a servo motor or other power equipment in the embodiment.
The double-transducer ultrasonic vibration platform 7 is fixed on the lower surface of the upper pressure plate 2, the upper surface of the lower pressure plate 3 is provided with an extrusion forming die 12, a forming cavity 18 is arranged in the extrusion forming die 12, and a workpiece to be formed is placed in the forming cavity 18.
The double-transducer ultrasonic vibration platform 7 comprises an ultrasonic amplitude transformer 9, two ultrasonic transducers 14 and two ultrasonic amplitude transformer rods 15, the left end and the right end of the ultrasonic amplitude transformer 9 are respectively connected with one end of each of the two ultrasonic amplitude transformer rods 15, the other end of each of the two ultrasonic amplitude transformer rods 15 is respectively connected with one ultrasonic transducer 14, the double-transducer ultrasonic vibration platform 7 is a linear structure which is bilaterally symmetrical with the ultrasonic amplitude transformer 9 as a center, and the central axes of the ultrasonic amplitude transformer 9, the two ultrasonic transducers 14 and the two ultrasonic amplitude transformer rods 15 are all on the same line.
The ultrasonic horn 9 is a porous ultrasonic horn, the lower end surface of the ultrasonic horn 9 is at least provided with one vertical extrusion tool 11, the lower end surface of the ultrasonic horn 9 is provided with a plurality of blind holes (not shown in the drawings), in the embodiment, the upper end surface of the ultrasonic horn 9 is also symmetrically provided with a plurality of blind holes for selection in the actual use process, the vertical extrusion tool 11 is fixed on the lower end surface of the ultrasonic horn 9 through the blind holes, and in the embodiment, the vertical extrusion tool 11 is fixed in the blind holes in a threaded connection manner.
Referring to fig. 1 and 3, the ultrasonic vibration system 8 is a conventional ultrasonic vibration system, the ultrasonic vibration system 8 includes an amplitude transformer 10, a transverse pressing tool 13 is disposed at a tail end of the amplitude transformer 10, and the vertical pressing tool 11 and the transverse pressing tool 13 are both cylinders.
The ultrasonic vibration system 8 is fixed around the extrusion forming die 12 through a fixing rod 6, specifically, the fixing rod 6 extending downwards is arranged at the upper end of the rack 1, and the fixing rod 6 is connected with the ultrasonic vibration system 8. In this embodiment the extrusion die 12 is because the lateral space is sufficient just ultrasonic vibration system 8 with the volume is less compared with double transducer ultrasonic vibration platform 7, can be according to the extrusion technology needs during the actual use set up different angles and different quantity in extrusion die 12 horizontal direction 360 within range ultrasonic vibration system 8, can with when necessary ultrasonic vibration system 8 stacks, can increase required in equidirectional and different positions ultrasonic vibration system 8 to realize the multidirectional compound ultrasonic vibration of horizontal direction.
All the ultrasonic vibration systems 8 and the dual-transducer ultrasonic vibration platform 7 are respectively connected with an ultrasonic vibration power supply 16 and driven by the ultrasonic vibration power supply 16 corresponding to the ultrasonic vibration systems, and in this embodiment, each ultrasonic vibration system 8 can share the same ultrasonic vibration power supply 16.
Referring to fig. 1 and 4, the side and top surfaces of the extrusion mold 12 are provided with a plurality of insertion holes 17, the diameter of each insertion hole 17 is the same as the outer diameter of the ends of the vertical extrusion tool 11 and the horizontal extrusion tool 13, and the insertion holes 17 on the side and top surfaces of the extrusion mold 12 are communicated with the molding cavity 18.
Double-transducer ultrasonic vibration platform 7 is used for the drive vertical extrusion instrument 11 produces ultrasonic vibration in vertical direction, ultrasonic vibration system 8 is used for the drive horizontal extrusion instrument 13 produces ultrasonic vibration on the horizontal direction, the utility model discloses can be respectively through starting or closing the connection double-transducer ultrasonic vibration platform 7 and each ultrasonic vibration system 8 ultrasonic vibration power supply 16 realizes the supplementary processing mode of multiple supersound.
Referring to fig. 1-4, a forming method of a multidirectional composite ultrasonic vibration assisted extrusion forming processing apparatus includes the following steps:
s1, respectively installing the vertical extrusion forming tool and the transverse extrusion forming tool on the lower end face of the ultrasonic amplitude transformer 9 and the end face of the amplitude transformer 10, and fixing the extrusion forming die 12 with the workpiece to be formed on the upper surface of the lower pressure plate 3;
s2, inserting the transverse micro-extrusion forming tool into the insertion hole 17 on the side of the extrusion forming die 12, and making the tail end of the transverse micro-extrusion forming tool contact and press the left side surface of the workpiece to be formed; the screw rod 5 is driven to rotate by the driving device 4, so that the upper pressing plate 2 is controlled to descend, the vertical micro-extrusion forming tool passes through the insertion hole 17 in the top surface of the extrusion forming die 12, the tail end of the vertical micro-extrusion forming tool is made to contact and press the upper surface of the workpiece to be formed, certain pre-pressure is achieved, and the requirement for stabilizing ultrasonic vibration is met;
s3, turning on the ultrasonic vibration power supply 16, wherein the ultrasonic vibration power supply 16 converts a low-frequency electrical signal into an ultrasonic-frequency electrical signal, the ultrasonic transducer 14 converts the ultrasonic-frequency electrical signal into an ultrasonic-frequency mechanical vibration wave, and outputs the ultrasonic-frequency mechanical vibration wave, and the ultrasonic horn 15 amplifies the horizontal ultrasonic amplitude output by the ultrasonic transducer 14; the ultrasonic amplitude transformer 9 supports the vertical extrusion forming tool to realize ultrasonic resonance in the vertical direction, the amplitude transformer 10 supports the transverse extrusion forming tool to realize transverse ultrasonic resonance, and the vertical extrusion forming tool continuously moves to a preset position to complete extrusion forming processing on the workpiece to be formed;
s4, after the workpiece to be formed is extruded, removing the ultrasonic vibration system 8, lifting the upper pressure plate 2, separating the vertical extrusion forming tool from the formed workpiece, turning off the ultrasonic vibration power supply 16, and completing the multidirectional composite ultrasonic vibration assisted extrusion forming of the workpiece to be formed.
In the step S3, the ultrasonic vibration power supplies 16 may be respectively controlled to be turned on or off according to actual needs, so as to implement the following 4 operation modes:
1) simultaneously turning on all the ultrasonic vibration power supplies 16, simultaneously operating the vertical extrusion tool 11 and the transverse extrusion tool 13, and simultaneously subjecting the workpiece to be formed to vertical and transverse auxiliary ultrasonic vibration;
2) turning on each ultrasonic vibration power supply 16 connected with each ultrasonic vibration system 8, and turning off the ultrasonic vibration power supply 16 connected with the double-transducer ultrasonic vibration platform 7, wherein only the transverse extrusion tool 13 works at the moment, and the workpiece to be molded is subjected to transverse auxiliary ultrasonic vibration only;
3) turning on the ultrasonic vibration power supply 16 connected with the double-transducer ultrasonic vibration platform 7, and turning off the ultrasonic vibration power supply 16 connected with each ultrasonic vibration system 8, wherein only the vertical extrusion tool 11 works at the moment, and the workpiece to be molded is subjected to vertical auxiliary ultrasonic vibration only;
4) and simultaneously closing all the ultrasonic vibration power supplies 16, wherein the vertical extrusion tool 11, the extrusion forming die 12 and the transverse extrusion tool 13 do not work, and the traditional extrusion forming method is adopted.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. The utility model provides a multidirectional compound ultrasonic vibration assists extrusion moulding processing equipment which characterized in that: including top board, holding down plate, double-transducer ultrasonic vibration platform and at least one ultrasonic vibration system, the top board with the holding down plate sets up relatively, double-transducer ultrasonic vibration platform is fixed in the top board, be equipped with the extrusion forming mould on the holding down plate, ultrasonic vibration system fixes around the extrusion forming mould, double-transducer ultrasonic vibration platform includes the supersound amplitude transformer, the lower terminal surface of supersound amplitude transformer is equipped with a vertical extrusion tool at least, the ultrasonic vibration system includes the amplitude transformer, the amplitude transformer end is equipped with horizontal extrusion tool, double-transducer ultrasonic vibration platform is used for the drive vertical extrusion tool produces ultrasonic vibration in vertical direction, the ultrasonic vibration system is used for the drive horizontal extrusion tool produces ultrasonic vibration on the horizontal direction.
2. The multidirectional combined ultrasonic vibration-assisted extrusion molding apparatus as set forth in claim 1, wherein: the double-transducer ultrasonic vibration platform further comprises two ultrasonic transducers and two ultrasonic amplitude-change rods, the left end and the right end of each ultrasonic amplitude-change rod are respectively connected with one end of each ultrasonic amplitude-change rod, the other end of each ultrasonic amplitude-change rod is respectively connected with one ultrasonic transducer, and the double-transducer ultrasonic vibration platform is a linear structure which is bilaterally symmetrical with the ultrasonic amplitude-change rods as the center.
3. The multidirectional combined ultrasonic vibration-assisted extrusion molding apparatus as set forth in claim 2, wherein: the ultrasonic horn is a porous ultrasonic horn, a plurality of blind holes are formed in the lower end face of the ultrasonic horn, and the vertical extruding tool is fixed to the lower end face of the ultrasonic horn through the blind holes.
4. The multidirectional combined ultrasonic vibration-assisted extrusion molding apparatus as set forth in claim 1, wherein: and a forming cavity is arranged in the extrusion forming die, and a workpiece to be formed is placed in the forming cavity.
5. The multidirectional combined ultrasonic vibration-assisted extrusion molding apparatus as set forth in claim 1, wherein: the automatic feeding device is characterized by further comprising a rack, the upper pressing plate and the lower pressing plate are located in the rack, a driving device is arranged above the rack, an output shaft of the driving device is connected with a lead screw, the lead screw is connected with the upper pressing plate, the driving device is used for driving the lead screw to rotate, and the lead screw drives the upper pressing plate to ascend or descend.
6. The multidirectional combined ultrasonic vibration-assisted extrusion molding apparatus as set forth in claim 5, wherein: and a fixing rod extending downwards is arranged at the upper end of the rack, and the ultrasonic vibration system is fixed around the extrusion forming die through the fixing rod.
7. A multidirectional combined ultrasonic vibration assisted extrusion molding apparatus as set forth in claim 3, wherein: the vertical extrusion tool and the horizontal extrusion tool are stepped cylinders.
8. The multidirectional combined ultrasonic vibration-assisted extrusion molding apparatus as set forth in claim 4, wherein: the side surface and the top surface of the extrusion forming die are both provided with a plurality of insertion holes, the hole diameter of each insertion hole is the same as the outer diameter of the tail ends of the vertical extrusion tool and the transverse extrusion tool, and the insertion holes on the side surface and the top surface of the extrusion forming die are both communicated with the forming cavity.
9. The multidirectional combined ultrasonic vibration-assisted extrusion molding apparatus as set forth in claim 1, wherein: all the ultrasonic vibration systems and the double-transducer ultrasonic vibration platform are respectively connected with an ultrasonic vibration power supply and driven by the corresponding ultrasonic vibration power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921537636.4U CN211191442U (en) | 2019-09-16 | 2019-09-16 | Multidirectional composite ultrasonic vibration auxiliary extrusion forming processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921537636.4U CN211191442U (en) | 2019-09-16 | 2019-09-16 | Multidirectional composite ultrasonic vibration auxiliary extrusion forming processing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211191442U true CN211191442U (en) | 2020-08-07 |
Family
ID=71856761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921537636.4U Active CN211191442U (en) | 2019-09-16 | 2019-09-16 | Multidirectional composite ultrasonic vibration auxiliary extrusion forming processing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211191442U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110695108A (en) * | 2019-09-16 | 2020-01-17 | 中国地质大学（武汉） | Multidirectional composite ultrasonic vibration auxiliary extrusion forming processing equipment and forming method |
-
2019
- 2019-09-16 CN CN201921537636.4U patent/CN211191442U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110695108A (en) * | 2019-09-16 | 2020-01-17 | 中国地质大学（武汉） | Multidirectional composite ultrasonic vibration auxiliary extrusion forming processing equipment and forming method |
| CN110695108B (en) * | 2019-09-16 | 2024-05-14 | 中国地质大学（武汉） | Multidirectional composite ultrasonic vibration assisted extrusion forming processing equipment and forming method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211191442U (en) | Multidirectional composite ultrasonic vibration auxiliary extrusion forming processing equipment | |
| CN110695109A (en) | Multidirectional composite ultrasonic vibration assisted ECAP (electron cyclotron resonance imaging) forming processing equipment and forming method | |
| CN110695108A (en) | Multidirectional composite ultrasonic vibration auxiliary extrusion forming processing equipment and forming method | |
| CN211191443U (en) | Multidirectional composite ultrasonic vibration auxiliary ECAP forming and processing equipment | |
| CN101417300A (en) | Tube liquid-filling forming method and module structure thereof | |
| CN212577269U (en) | Stepless speed control device for sheet precision three-dimensional forming | |
| CN206199995U (en) | A kind of flange shaping mould for punch process | |
| CN108160795A (en) | For the hydraulic device of aluminium alloy forming | |
| CN210200566U (en) | Heating and pressurizing curing equipment | |
| CN209666174U (en) | A kind of injection molding machine with puma manipulator | |
| CN206912243U (en) | The magnet press device of servomotor driving | |
| CN108284196B (en) | A kind of enclosed type evacuation blind rivet processing technology | |
| CN215544310U (en) | Ultra-precise mould ultrasonic machining equipment | |
| CN112893577A (en) | Stamping forming equipment for automobile sheet metal parts | |
| CN207929888U (en) | A kind of mold for punching press movable power shell | |
| CN215315287U (en) | Automobile metal plate stamping die convenient for stripping | |
| CN216649999U (en) | Rapid forming equipment is used in processing of loudspeaker vibrating diaphragm | |
| CN217798356U (en) | Mold equipment with double-sided shearing structure | |
| CN218638328U (en) | Material taking-off mechanism of press machine | |
| CN216263056U (en) | Automobile cold stamping die with adjustable stamping head | |
| CN219335644U (en) | Disposable stamping die for automobile thermoforming | |
| CN212704262U (en) | Casting mold convenient to control | |
| CN214768132U (en) | Die stamping device based on electronic technology | |
| CN217570866U (en) | Electric core rod adjusting structure of powder forming press and lower die mechanism | |
| CN216139407U (en) | Polymer ultrasonic-assisted linear friction imprinting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |