CN112122460B - Shaft tube part stamping die - Google Patents
Shaft tube part stamping die Download PDFInfo
- Publication number
- CN112122460B CN112122460B CN202010958734.6A CN202010958734A CN112122460B CN 112122460 B CN112122460 B CN 112122460B CN 202010958734 A CN202010958734 A CN 202010958734A CN 112122460 B CN112122460 B CN 112122460B
- Authority
- CN
- China
- Prior art keywords
- fixed
- cavity
- lever
- rack
- die
- 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
- 230000000903 blocking effect Effects 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 25
- 230000008093 supporting effect Effects 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 5
- 238000004080 punching Methods 0.000 abstract description 8
- 230000029058 respiratory gaseous exchange Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 15
- 239000012535 impurity Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B08B1/12—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
Abstract
The invention belongs to the field of part processing, and particularly discloses a stamping processing die for shaft tube parts, which comprises a rack, wherein a lower die holder is fixed on the rack, an upper die holder positioned above the lower die holder is vertically and slidably connected onto the rack, clamping plates are transversely and slidably connected onto two sides of the upper end of the lower die holder on the rack, a gap is formed between the lower ends of the clamping plates and the upper end of the lower die holder, bristles are fixed at the lower ends of the clamping plates, and the lower ends of the bristles are abutted against the upper end of the lower die holder; be equipped with the cavity in the splint, the splint lower extreme is equipped with the venthole with the cavity intercommunication, installs the check valve of giving vent to anger in the venthole, all is equipped with the suction hole in the relative one side of two splint, and the equal slope of one side that the suction hole is relative on two splint is downward, installs the check valve of breathing in the suction hole, and the through-hole that communicates with the cavity is seted up to the splint upper end, and can dismantle on the splint to be connected with and be used for blocking the fender lid of through-hole. By adopting the scheme of the invention, the problems that the punching is influenced by the scraps on the lower die base and the parts are easy to topple during die stripping can be solved.
Description
Technical Field
The invention belongs to the field of part processing, and particularly relates to a stamping processing die for shaft-tube parts.
Background
In industrial products, shaft parts are suitable for maintenance operation of one or more machined parts of a numerical control machine tool, the shaft parts are one of typical parts frequently encountered in hardware fittings and are mainly used for supporting transmission parts, transmitting torque and bearing load, and the shaft parts can be divided into solid shafts, hollow shafts (namely pipes) and the like according to different structural forms of the shaft parts.
When the shaft parts are stamped by the stamping machine, if the rocker shaft is subjected to head upsetting, the parts can be clamped and embedded in an upper die or a lower die of the stamping machine, the shaft parts are ejected out by using an ejection rod when the die is ejected out, in order to avoid toppling and damaging the parts, an operator needs to hold the parts by hands, the operation is dangerous, and even the operator can be disabled for the whole life if the operator carelessly operates a stamping pedal of the stamping machine.
Simultaneously, for avoiding the machining error of part during the punching press, require comparatively clean on the lower mould, can not have the dust piece, and when bending deformation appeared in the punching press, also probably because deformation leads to steel can drop some pieces, also very inconvenient in the clearance of these pieces.
Disclosure of Invention
The invention aims to provide a stamping processing die for shaft-tube parts, which aims to solve the problems that scraps on a lower die seat influence stamping and parts are easy to topple during die stripping.
In order to achieve the purpose, the basic scheme of the invention is as follows: a stamping processing die for shaft tube parts comprises a rack, wherein a lower die holder is fixed on the rack, an upper die holder positioned above the lower die holder is vertically and slidably connected onto the rack, clamping plates are transversely and slidably connected onto two sides of the upper end of the lower die holder on the rack, a gap is formed between the lower ends of the clamping plates and the upper end of the lower die holder, bristles are fixed at the lower ends of the clamping plates, and the lower ends of the bristles are abutted against the upper end of the lower die holder; the clamp plate is internally provided with a cavity, the lower end of the clamp plate is provided with an air outlet communicated with the cavity, an air outlet one-way valve is arranged in the air outlet, the opposite surfaces of the two clamp plates are respectively provided with an air suction hole, the opposite sides of the air suction holes on the two clamp plates are inclined downwards, the air suction one-way valve is arranged in the air suction holes, the upper end of the clamp plate is provided with a through hole communicated with the cavity, the upper end of the clamp plate is detachably connected with a blocking cover used for blocking the through hole, and an air moving part used for inflating or exhausting air to the cavity is fixed on the rack; the push rods are fixed on the opposite sides of the two clamping plates, and the air cylinder for driving the push rods to slide is fixed on the rack.
The theory of operation and the beneficial effect of this basic scheme lie in:
1. when the device is not used, the clamping plate is positioned between the upper die base and the lower die base, and even if the upper die base is carelessly operated to enable the upper die base to move downwards, the clamping plate has a supporting effect on the upper die base, and certain danger degree is reduced. Before the punching press, start the cylinder, bleed to the cavity through pneumatic component simultaneously, cylinder drive splint are kept away from each other, and splint drive brush hair cleans the die holder upper surface, and pneumatic component bleeds simultaneously, can make the suction opening absorption still remain the impurity on the die holder, through the absorption of suction opening, also can adsorb the partial impurity in the die cavity, reduces the influence of piece to the punching press to a certain extent. After the clamping plate leaves the space between the upper die base and the lower die base, the stamping processing can be started, and the clamping plate does not influence the processing.
2. When moving back the mould, go up the mould and break away from the lower mould after, drive two splint and move in opposite directions, the while pneumatic part is aerifyd in to the cavity, and the gas in the cavity blows off through the venthole, acts on the brush hair, avoids adhesion piece on the brush hair, and later operating personnel can unify the piece that drops on the clearance brush hair. Meanwhile, the clamping plate moves between the upper die base and the lower die base, and when the die is withdrawn, parts can be supported without an operator holding the parts by hands, so that dangerous operation is reduced.
Furthermore, a die cavity is arranged on the lower die holder, a plurality of through holes are formed in the lower end of the die cavity, a material returning rod is vertically and slidably connected into each through hole, and the lower end of the material returning rod extends out of the lower die holder.
Has the advantages that: when the die is withdrawn, the workpiece is pushed upwards through the material withdrawing rod, so that the die is conveniently withdrawn.
Furthermore, the frame is vertically connected with a material returning plate in a sliding manner, and the lower ends of all the material returning rods are fixed on the material returning plate.
Has the beneficial effects that: all material returned pole lower extremes all fix on the material returned board, only need drive a material returned board motion can, can make all material returned poles atress even moreover, avoid leading to leaving the pit on the part because material returned pole atress is uneven.
Furthermore, one end, far away from the clamping plate, of the push rod is fixedly provided with a first wedge block, a second wedge block matched with the first wedge block is connected to the rack in a vertical sliding mode, a supporting rod is fixed to the lower end of the second wedge block, a lever is hinged to the rack, one end of the lever is hinged to the lower end of the stripper plate, and the other end of the lever abuts against the lower end of the supporting rod.
Has the advantages that: the push rod drives the first wedge block to move in the transverse sliding process, when the first wedge block moves towards the direction close to the second wedge block, the first wedge block pushes the second wedge block to move downwards, the second wedge block drives the supporting rod to press the lever downwards, one end of the lever moves downwards, and the other end of the lever drives the stripper plate to move upwards, so that stripping is achieved. When the first wedge block moves towards the direction away from the second wedge block, the second wedge block is not subjected to the downward acting force of the first wedge block any more, namely the lever is not subjected to the downward acting force of the supporting rod any more, and the lever is restored.
Furthermore, a supporting block is fixed below the stripper plate on the rack.
Has the advantages that: after the lever does not receive the downward acting force of the supporting rod any more, the stripper plate moves downward under the action of self gravity, the position of the stripper plate moving downward is limited through the supporting block, and the upper end of the stripper plate can be flush with the lower surface of the die cavity in the stamping process.
Furthermore, the distance ratio between the lever fulcrum and the lever, the connecting point of the material pushing plate and the end point of the lever fulcrum and the end point of the lever close to one end of the second wedge block is 1: 3-5.
Has the advantages that: through the setting of laborsaving lever, be convenient for upwards promote the material returned board through the lever, and then be convenient for realize the material returned, avoid the part to inlay card the tight condition in the die cavity.
Furthermore, a spring is fixed at the lower end of one end of the lever close to the second wedge block, and the lower end of the spring is fixed on the rack.
Has the beneficial effects that: the lever is convenient to reset through the elastic restoring acting force of the spring.
Furthermore, the pneumatic part comprises a piston barrel sleeved outside the push rod, a piston is fixed on the push rod and is connected in the piston barrel in a sliding mode, a connecting hole is formed in the sealing end face of the piston barrel, and the connecting hole is communicated with the cavity.
Has the advantages that: the sliding of the push rod drives the piston to slide in the piston barrel, so that air in and out of the piston barrel is realized, and air pumping or inflation of the cavity is realized.
Further, the blocking cover is connected to the clamping plate through bolts.
Has the advantages that: the connection and disassembly are convenient, the processing is cheap, and the method is economical and applicable.
Furthermore, a sealing ring is fixed at the lower end of the baffle cover.
Has the advantages that: the connection airtightness of the blocking cover and the clamping plate is ensured, and the gas in the cavity is prevented from being discharged.
Drawings
FIG. 1 is a front cross-sectional view of an embodiment of the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises an upper die holder 1, a lower die holder 2, a die cavity 3, a material returning rod 4, a material returning plate 5, a supporting block 6, a lever 7, a supporting rod 8, a second wedge block 9, a first wedge block 10, a push rod 11, a piston barrel 12, a piston 13, a connecting pipe 14, a baffle cover 15, a clamping plate 16, bristles 17, an air suction hole 18, an air outlet hole 19 and a cavity 20.
Example (b):
the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, a shaft tube part stamping die, including the frame, be fixed with die holder 2 in the frame, vertical sliding connection has upper die base 1 that is located 2 tops of die holder in the frame, and the punching press is realized for prior art to upper die base 1 downstream, and it is no longer repeated to how downstream to upper die base 1 in this application. Be equipped with die cavity 3 on the die holder 2, the 3 lower extremes of die cavity are equipped with a plurality of through-holes, and vertical sliding connection has material returned pole 4 in the through-hole, and material returned pole 4 lower extreme stretches out die holder 2, and vertical sliding connection has material returned board 5 in the frame, and all material returned pole 4 lower extremes all are fixed on material returned board 5.
The rack is located equal lateral sliding connection in 2 upper ends both sides of die holder and has splint 16, is equipped with the clearance between splint 16 lower extreme and the 2 upper ends of die holder, and splint 16 lower extreme is fixed with brush hair 17, and brush hair 17 lower extreme and 2 upper ends of die holder offset. Combine shown in fig. 2, be equipped with cavity 20 in the splint 16, the splint 16 lower extreme is equipped with the venthole 19 with cavity 20 intercommunication, install the check valve of giving vent to anger in the venthole 19, all be equipped with suction hole 18 on the relative one side of two splint 16, the equal slope of the relative one side of suction hole 18 on two splint 16 is downward, install the check valve of breathing in the suction hole 18, the through-hole that communicates with cavity 20 is seted up to splint 16 upper end, and splint 16 upper end can be dismantled and be connected with the fender lid 15 that is used for blocking the through-hole, and is concrete, keep off lid 15 bolted connection on splint 16, and keep off lid 15 lower extreme and be fixed with the sealing washer.
The push rods 11 are fixed on the opposite sides of the two clamping plates 16, and a cylinder for driving the push rods 11 to slide is fixed on the rack. The frame is fixed with the pneumatic component that is used for aerifing or bleeding to cavity 20, and the pneumatic component is including the piston bucket 12 of cover setting outside push rod 11, is fixed with piston 13 on the push rod 11, and piston 13 sliding connection is in piston bucket 12, is equipped with the connecting hole on the sealed terminal surface of piston bucket 12, and connecting hole and cavity 20 are through connecting pipe 14 intercommunication.
A supporting block 6 is fixed below the stripper plate 5 on the frame. One end of the push rod 11, which is far away from the clamping plate 16, is fixedly provided with a first wedge block 10, a second wedge block 9 which is matched with the first wedge block 10 is vertically and slidably connected onto the rack, the lower end of the second wedge block 9 is fixedly provided with a supporting rod 8, the rack is hinged with a lever 7, one end of the lever 7 is hinged at the lower end of the stripper plate 5, and the other end of the lever 7 is abutted against the lower end of the supporting rod 8. The distance ratio between the branch point of the lever 7 and the connecting point of the lever 7 and the material pushing plate and the distance between the branch point of the lever 7 and the end point of the lever 7 close to one end of the second wedge block 9 is 1: 3-5. A spring (not shown in the figure) is fixed at the lower end of one end of the lever 7 close to the second wedge block 9, and the lower end of the spring is fixed on the machine frame.
When the device is not used, the clamping plate 16 is positioned between the upper die base 1 and the lower die base 2, and even if the upper die base 1 is carelessly operated to enable the upper die base 1 to move downwards, the clamping plate 16 has a supporting function on the upper die base 1, and certain danger degree is reduced.
Before the punching press, start the cylinder, two splint 16 of cylinder drive keep away from each other, splint 16 drives brush hair 17 and cleans 2 upper surfaces of die holder, slide through push rod 11 simultaneously and drive piston 13 and slide in piston barrel 12, and then realize admitting air of piston barrel 12, the realization is to the bleed of cavity 20, can make suction hole 18 adsorb still remain the impurity on die holder 2, through the absorption of suction hole 18, also can adsorb the partial impurity in die cavity 3, reduce the influence of piece to the punching press to a certain extent. After the clamping plate 16 leaves between the upper die base 1 and the lower die base 2, the stamping process can be started, and the clamping plate 16 does not influence the stamping process.
In addition, the push rod 11 drives the first wedge block 10 to move in the transverse sliding process, when the first wedge block 10 moves towards the direction away from the second wedge block 9, the second wedge block 9 does not receive downward acting force of the first wedge block 10, namely, the lever 7 does not receive downward acting force of the supporting rod 8, the lever 7 recovers through the action of a spring, meanwhile, the stripper plate 5 moves downward under the action of self gravity, the position of the stripper plate 5 moving downward is limited through the supporting block 6, and the upper end of the stripper rod 4 can be flush with the lower surface of the die cavity 3 in the stamping process.
When moving back the mould, go up the mould and break away from the lower mould after, drive two splint 16 and move in opposite directions, the while slides and drives piston 13 and slide in piston barrel 12, and then realizes giving vent to anger of piston barrel 12, realizes aerifing cavity 20, and gas in the cavity 20 blows out through venthole 19, acts on brush hair 17, avoids the adhesion piece on brush hair 17, and later operating personnel can unify the piece that drops on the clearance brush hair 17. Meanwhile, the clamping plate 16 moves between the upper die holder 1 and the lower die holder 2, and when the die is withdrawn, parts can be supported without an operator holding the parts by hands, so that dangerous operation is reduced.
In the process that the clamping plates 16 move oppositely, the push rod 11 drives the first wedge block 10 to move in the process of transverse sliding, when the first wedge block 10 moves towards the direction close to the second wedge block 9, the first wedge block 10 pushes the second wedge block 9 to move downwards, the second wedge block 9 drives the supporting rod 8 to press the lever 7 downwards, one end of the lever 7 moves downwards, and the other end of the lever 7 drives the stripper plate 5 to move upwards, so that the stripping is realized.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is merely an example of the present invention, and common general knowledge in the field of known specific structures and characteristics is not described herein in any greater extent than that known in the art at the filing date or prior to the priority date of the application, so that those skilled in the art can now appreciate that all of the above-described techniques in this field and have the ability to apply routine experimentation before this date can be combined with one or more of the present teachings to complete and implement the present invention, and that certain typical known structures or known methods do not pose any impediments to the implementation of the present invention by those skilled in the art. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (6)
1. The utility model provides an axle tube part stamping die, includes the frame, is fixed with the die holder in the frame, and vertical sliding connection has the upper die base that is located the die holder top in the frame, its characterized in that: the two sides of the machine frame, which are positioned at the upper end of the lower die base, are transversely and slidably connected with clamping plates, a gap is formed between the lower ends of the clamping plates and the upper end of the lower die base, bristles are fixed at the lower ends of the clamping plates, and the lower ends of the bristles are abutted against the upper end of the lower die base; the clamp plate is internally provided with a cavity, the lower end of the clamp plate is provided with an air outlet communicated with the cavity, an air outlet one-way valve is arranged in the air outlet, the opposite surfaces of the two clamp plates are respectively provided with an air suction hole, the opposite sides of the air suction holes on the two clamp plates are inclined downwards, the air suction one-way valve is arranged in the air suction holes, the upper end of the clamp plate is provided with a through hole communicated with the cavity, the upper end of the clamp plate is detachably connected with a blocking cover used for blocking the through hole, and an air moving part used for inflating or exhausting air to the cavity is fixed on the rack; push rods are fixed on the opposite sides of the two clamping plates, and a cylinder for driving the push rods to slide is fixed on the rack;
the lower die base is provided with a die cavity, the lower end of the die cavity is provided with a plurality of through holes, the through holes are vertically and slidably connected with material returning rods, and the lower ends of the material returning rods extend out of the lower die base; the frame is vertically connected with a stripper plate in a sliding manner, and the lower ends of all the stripper rods are fixed on the stripper plate; a first wedge block is fixed at one end of the push rod, which is far away from the clamping plate, a second wedge block matched with the first wedge block is vertically and slidably connected to the rack, a supporting rod is fixed at the lower end of the second wedge block, a lever is hinged to the rack, one end of the lever is hinged to the lower end of the stripper plate, and the other end of the lever abuts against the lower end of the supporting rod; and a supporting block is fixed below the stripper plate on the frame.
2. The stamping die for the shaft-tube parts as claimed in claim 1, wherein: the distance ratio between the lever fulcrum and the lever, the connecting point of the material pushing plate and the end point of the lever fulcrum and the end point of the lever close to one end of the second wedge block is 1: 3-5.
3. The stamping die for the shaft-tube parts as claimed in claim 2, wherein: and a spring is fixed at the lower end of one end of the lever, which is close to the second wedge block, and the lower end of the spring is fixed on the rack.
4. The stamping die for the shaft-tube parts as claimed in claim 3, wherein: the pneumatic piece comprises a piston barrel sleeved outside the push rod, a piston is fixed on the push rod and is connected in the piston barrel in a sliding mode, a connecting hole is formed in the sealing end face of the piston barrel, and the connecting hole is communicated with the cavity.
5. The stamping die for the shaft-tube parts as claimed in claim 4, wherein: the blocking cover is connected to the clamping plate through bolts.
6. The stamping die for the shaft-tube parts as claimed in claim 5, wherein: and a sealing ring is fixed at the lower end of the blocking cover.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010958734.6A CN112122460B (en) | 2020-09-11 | 2020-09-11 | Shaft tube part stamping die |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010958734.6A CN112122460B (en) | 2020-09-11 | 2020-09-11 | Shaft tube part stamping die |
Publications (2)
Publication Number | Publication Date |
---|---|
CN112122460A CN112122460A (en) | 2020-12-25 |
CN112122460B true CN112122460B (en) | 2022-09-13 |
Family
ID=73845590
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010958734.6A Active CN112122460B (en) | 2020-09-11 | 2020-09-11 | Shaft tube part stamping die |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112122460B (en) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10244498A (en) * | 1997-03-05 | 1998-09-14 | Katayama Nukigata Seisakusho:Kk | Female die for punching machine and punching method |
CN105234307B (en) * | 2015-11-16 | 2017-11-28 | 重庆持恒模具有限公司 | Stamping die waste material ejecting mechanism |
CN107755548A (en) * | 2017-12-08 | 2018-03-06 | 柳州通亿汽车配件制造有限公司 | A kind of die set for fuel tank of vehicles tool |
CN209753784U (en) * | 2019-01-07 | 2019-12-10 | 孝感华创测控科技有限公司 | U-shaped frame stamping device |
CN210632574U (en) * | 2019-08-31 | 2020-05-29 | 潘珂宇 | Computer hardware ash removal device |
-
2020
- 2020-09-11 CN CN202010958734.6A patent/CN112122460B/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN112122460A (en) | 2020-12-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101549366A (en) | A pad flatter | |
CN210010697U (en) | Plate clamping and positioning tool | |
CN112122460B (en) | Shaft tube part stamping die | |
CN201026670Y (en) | Aluminium alloyed door/window profile press machine | |
CN201309267Y (en) | Three swing stem high speed reinforcement pneumatic stamping machine | |
CN201214118Y (en) | Butt end reclaiming apparatus for relative hole punching | |
CN218134405U (en) | Stamping forming device for sheet metal products | |
CN209061962U (en) | A kind of stamping parts collection device | |
CN215032665U (en) | Stamping equipment is used in automobile metal parts processing | |
CN210754768U (en) | Workpiece riveting and fixing device | |
CN206356423U (en) | A kind of punching type forcing press with synchronous holding function | |
CN210632737U (en) | Punching device for bottom plate of die cutting machine | |
CN214442439U (en) | One-time stamping forming's panel beating stamping die | |
CN208245570U (en) | A kind of desk-top perforating press | |
CN113275452A (en) | Punching equipment is used in machine part production | |
CN218134578U (en) | Discharging ejection mechanism for stamping die | |
CN214720013U (en) | Clamping device is used in casting of seat stamping workpiece | |
CN220372328U (en) | Buffer device for punching and shearing machine | |
CN211247942U (en) | Steel plate punching equipment | |
CN218693049U (en) | Wood grain aluminum single plate tower punching equipment | |
CN218361642U (en) | Stamping die with material receiving mechanism | |
CN217224400U (en) | Retainer ring fixing device of isolator assembly | |
CN220415882U (en) | Pneumatic hydraulic equipment convenient to detach | |
CN212238899U (en) | Edge reinforcement type car roof stamping die | |
CN219926268U (en) | Printing die-cutting machine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20221215 Address after: Room 202, No. 1, Getang Middle Street, Xiegang Town, Dongguan, Guangdong 523596 Patentee after: DONGGUAN CITY HUAYUANSHENG HARDWARE PRODUCTS Co.,Ltd. Address before: No.600 Hongshan Road, Kaifu District, Changsha City, Hunan Province Patentee before: HUNAN MECHANICAL & ELECTRICAL POLYTECHNIC |
|
TR01 | Transfer of patent right |