CN110014079A - A kind of assembly of detachable punching head and hole-punching method - Google Patents
A kind of assembly of detachable punching head and hole-punching method Download PDFInfo
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- CN110014079A CN110014079A CN201910418380.3A CN201910418380A CN110014079A CN 110014079 A CN110014079 A CN 110014079A CN 201910418380 A CN201910418380 A CN 201910418380A CN 110014079 A CN110014079 A CN 110014079A
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- Prior art keywords
- formed punch
- connector
- punch
- punching
- connector sleeve
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- 238000004080 punching Methods 0.000 title claims abstract description 90
- 238000000034 method Methods 0.000 title claims abstract description 20
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 18
- 230000014759 maintenance of location Effects 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims description 14
- 238000005299 abrasion Methods 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000010008 shearing Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 6
- 230000002301 combined effect Effects 0.000 description 4
- 230000002195 synergetic effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
-
- 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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention discloses a kind of assembly of detachable punching head and hole-punching methods, are related to material punching processing production field.Detachable punching head in the present invention includes formed punch pedestal, retention mechanism and formed punch；Connector is arranged in the bottom of formed punch pedestal；Retention mechanism is in cannula-like structure, connector sleeve and wide open perforation with plunger tip in the middle part of the sealed end of connector sleeve including one end semitight；Formed punch includes that section is in up-down structure in the punch holder and formed punch one that " convex " shape links together；Specific steps are as follows: step 1: socket: formed punch one is pierced by perforation with plunger tip, and by punch holder indwelling in connector sleeve；Step 2: fastening: connector sleeve and connector are detachably fastenedly connected；Formed punch is detachably vertically anchored on the bottom of formed punch pedestal by retention mechanism, since punching direction is substantially downward punching, vertical fastening avoids the punching shearing force laterally fastened, and then achieve the purpose that avoid being difficult to dismantling, entire punch device is replaced moreover, formed punch can be exchanged without at any time.
Description
Technical field
The present invention relates to material punching processing production field, the assembly of specifically a kind of detachable punching head and punching side
Method.
Background technique
As shown in Fig. 2, its punch holder of the formed punch of current punching and formed punch end are using being integrally formed, formed punch end is for a long time
It after use, is gradually used up because of abrasion, final formed punch end is because damage is scrapped and cannot be used, due to formed punch end and punch holder
It cannot separate, formed punch entire so is also eliminated, and needs to re-replace formed punch, and use cost greatly improves, and has aggravated enterprise
Burden.
Through retrieving, Chinese patent, publication No.: data of publication of application: CN109304398A on 2 5th, 2019, discloses one
Kind detachable punch, including punch holder, punch body, T shape screw, T connected in star, lock-screw, fixed block, top tight pieces, top
Tight spring, cushion, boss and cone；When the invention is dismantled, lock-screw is unclamped first, to make lock-screw and fixed block
It mutually separates, then rotating clockwise punch body is located at T shape screw in access recess, has finally been downwardly drawn out punch body
At disassembly；When installation, it will be inserted into punch holder lower-side hole on the upside of punch body first and make to enter on the downside of T shape screw positioned at groove
In mouthful, then on earth, finally rotate lock-screw makes punch body firmly be fixed on formed punch to another mistake hour hands rotary punch main body
In seat lower-side hole.Invention T shape screw and lock-screw cooperation could fasten punch body, and lock-screw is laterally tight
Gu since pressure is larger, the vertical pressure that lock-screw is subject to is excessive, it is easy to will lock in the downward punching of punch body
Screw is damaged without easily disassembled.
Summary of the invention
Technical problems to be solved by the inivention
What, detachable punching head transverse direction fastening high for integrated molding formed punch use cost in the prior art was easily damaged asks
Topic, the present invention provides a kind of assembly of detachable punching head and hole-punching method, formed punch is detachably vertically covered by retention mechanism
The bottom for being anchored on formed punch pedestal is connect, the lateral fastening of formed punch, easily disassembled, long service life are avoided.
Technical solution
To solve the above problems, technical solution provided by the invention are as follows:
A kind of assembly method of detachable punching head, detachable punching head include formed punch pedestal, retention mechanism and formed punch；The punching
Connector is arranged in the bottom of head pedestal；The retention mechanism is in cannula-like structure, connector sleeve including one end semitight and even
Wide open perforation with plunger tip in the middle part of the sealed end of female connector；The formed punch includes that section links together in up-down structure in " convex " shape
Punch holder and formed punch one；Installation step are as follows:
Step 1: socket: formed punch one is pierced by perforation with plunger tip, and by punch holder indwelling in connector sleeve；
Step 2: fastening: connector sleeve and connector are detachably fastenedly connected；
Formed punch is detachably vertically anchored on the bottom of formed punch pedestal by retention mechanism, since punching direction is substantially downward
Punching, vertical fastening avoids the punching shearing force laterally fastened, and then achievees the purpose that avoid being difficult to dismantling, moreover, punching
Head can be exchanged without at any time replaces entire punch device, saves cost of material.
Further, in step 2, when being detachably fastenedly connected, the upper end of punch holder pushes against the bottom end of connector, formed punch
When one punching, vertical pressure is directly transferred to connector by punch holder, will not influence the removable of connector sleeve and connector
Connection is unloaded, does not also just influence facilitating at any time, easily removing between connector sleeve and connector.
Further, connector sleeve and connector are to be threadedly coupled, and connector sleeve is internal screw thread, and corresponding connector is outer spiral shell
Line；The step 2 is that connector sleeve is screwed on connector, compared to the removablies such as clamping, hinged, is threadedly coupled behaviour
Make more convenient.
Further, the formed punch further includes formed punch two；The formed punch two is connected with formed punch one in upper and lower symmetrical structure
In the upper and lower end faces of punch holder；Installation step are as follows:
Step 1: socket: formed punch one or formed punch two are pierced by perforation with plunger tip, and punch holder and formed punch two or formed punch one are stayed
It is placed in connector sleeve；
Step 2: being spirally connected: connector sleeve will be screwed on connector by rotation connection set, until formed punch two or formed punch one
Upper end pushes against the bottom end of connector and can replace formed punch two at any time when formed punch one is worn, can effectively improve production efficiency.
Further, the formed punch cavity that can accommodate formed punch two or formed punch one is opened in connector；The formed punch two or formed punch one
With formed punch cavity clearance fit, installation step are as follows:
Step 1: socket: formed punch one or formed punch two are pierced by perforation with plunger tip, and punch holder and formed punch two or formed punch one are stayed
It is placed in connector sleeve；
Step 2: grafting: after formed punch two or formed punch one are directed at formed punch cavity, straight cutting enters in formed punch cavity；Reach workpiece
Combined effect, avoid entire punch device too long and influence punching stroke；Between the formed punch two or formed punch one and formed punch cavity
Gap cooperation, facilitates the flexible assembling of formed punch two or formed punch one and formed punch cavity；
Step 3: being spirally connected: connector sleeve will be screwed on connector by rotation connection set, until formed punch two or formed punch one
The bottom end of upper end abutting connector.
Further, the connector sleeve erects downwards along upper end and cuts with lower section；The connector is perpendicular upwardly along lower end
Cut with upper edge；In the step 3, upper edge and lower section is cooperated rotatably to be spirally connected.Facilitate entire punch device in a mold
Disassembly, moreover, upper and lower two sections synergistic effect can effectively play the effect being mutually located, can be designed to two sections or more
It is fastened in place when alignment, to avoid being spirally connected excessive or not in place and leading to screw thread stress when punching and the secondary of stripped thread is caused to make
With.
A kind of detachable punching head hole-punching method after assembly, step are as follows:
Step 1: die-filling: formed punch pedestal is assembled in the upper mold of hydraulic press；
Step 2: feeding: will be in the lower die of aperture plate merging hydraulic press；
Step 3: molding punching: driving upper mold pushes, and by formed punch a pair of plate punching, and observes the operating condition of formed punch one；
Step 4: formed punch replaces: the operating condition to formed punch one has abrasion, when influencing plate punching quality, stops hydraulic press and drives
It is dynamic, rotation connection set is reversed, after connector sleeve and connector dismounting helix, assembly step is repeated after formed punch one and formed punch two are replaced
Rapid assembly；
Step 5: secondary mould closing punching: driving upper mold pushes, by formed punch two to plate punching.Two formed punches successively work
Make, substantially increases production efficiency.
Beneficial effect
Using technical solution provided by the invention, compared with prior art, have the following beneficial effects:
(1) the vertical of formed punch fastens the direction for being adapted to downward punching in the present invention, and vertical fastening avoids laterally tight
Gu when punching shearing force, due to and then achieve the purpose that avoid and be difficult to dismantle because punching generates cross shear, moreover, formed punch
It can be exchanged without at any time and replace entire punch device, save cost of material；
(2) when one punching of formed punch of the invention, vertical pressure is directly transferred to connector, Bu Huiying by punch holder
Being detachably connected for connector sleeve and connector is rung, does not also just influence facilitating at any time, readily tearing open between connector sleeve and connector
It unloads；
(3) connector sleeve and connector provided by the invention are to be threadedly coupled, compared to the removablies such as clamping, hinged,
Screwing operation is more convenient；
(4) double punch structures provided by the invention can be replaced at any time, effectively improve production efficiency；
(5) present invention in formed punch cavity setting, reach the combined effect of workpiece, avoid entire punch device too long and shadow
Ring punching stroke；
(6) setting of two sections up and down in the present invention, facilitates the disassembly of entire punch device in a mold, moreover,
Upper and lower two sections synergistic effect can effectively play the effect being mutually located, and can be designed to be fastened to when two section consistencies from top to bottom
Position, to avoid being spirally connected excessive or not in place and lead to screw thread stress when punching and cause the side effect of stripped thread；
(7) assembly method of detachable punching head of the invention, easy to operate, assembly efficiency is high；
(8) the detachable punching head hole-punching method after assembly provided by the invention, formed punch replacement is convenient, and double formed punches are immediately more
It changes, high production efficiency and the production cost that further reduced formed punch itself.
Detailed description of the invention
The structural schematic diagram of detachable punching head in Fig. 1, the present invention；
The punch structure schematic diagram of Fig. 2, prior art integral type；
Fig. 3, the present invention in formed punch pedestal front view；
Fig. 4, the present invention in retention mechanism cross-sectional view；
Fig. 5, the present invention in formed punch front view；
Detachable punching head front view in Fig. 6, the present invention；
Detachable punching head side view in Fig. 7, the present invention.
In attached drawing: 1, formed punch pedestal；2, retention mechanism；3, formed punch；11, connector；12, formed punch cavity；13, upper edge；
21, connector sleeve；22, perforation with plunger tip；23, lower section；31, formed punch one；32, punch holder；33, formed punch two.
Specific embodiment
To further appreciate that the contents of the present invention, in conjunction with accompanying drawings and embodiments, the present invention is described in detail.
Embodiment 1
A kind of detachable punching head, as shown in Figure 1, including formed punch pedestal 1, retention mechanism 2 and formed punch 3；The formed punch pedestal 1
Bottom be arranged connector 11；As shown in figure 3, the retention mechanism 2 is in cannula-like structure, the connector sleeve including one end semitight
21 and wide open perforation with plunger tip 22 in the middle part of the sealed end of connector sleeve 21；The formed punch 3 includes that section is in up-down structure in
The punch holder 32 and formed punch 1 that " convex " shape links together；Its installation step are as follows:
Step 1: socket: formed punch 1 is pierced by perforation with plunger tip 22, and by 32 indwelling of punch holder in connector sleeve 21；
Step 2: fastening: connector sleeve 21 and connector 11 are detachably fastenedly connected；Detachably being fastenedly connected can be card
Buckle, articulation piece etc., since punching direction is substantially downward punching, vertical fastening avoids shearing when the punching laterally fastened
The influence of power, and then achieve the purpose that avoid being difficult to dismantling, entire formed punch is filled moreover, formed punch 3 can be exchanged without at any time
Replacement is set, cost of material is saved.
Embodiment 2
A kind of basic step of detachable punching head installation step of the present embodiment exists with embodiment 1, different and improvements
In, in step 2, when being detachably fastenedly connected, the upper end of punch holder 32 pushes against the bottom end of connector 11, when one 31 punching of formed punch,
Vertical pressure is directly transferred to connector 11 by punch holder 32, will not influence the detachable of connector sleeve 21 and connector 11
Connection, does not just influence facilitating at any time, easily removing between connector sleeve 21 and connector 11 yet.
Embodiment 3
A kind of basic step of detachable punching head installation step of the present embodiment exists with embodiment 2, different and improvements
In as shown in Figure 3,4, connector sleeve 21 and connector 11 are to be threadedly coupled, compared to the removablies such as clamping, hinged, screw thread
Attended operation is more convenient.
Embodiment 4
A kind of detachable punching head of the present embodiment, basic structure is different and the improvement is that with embodiment 3, such as Fig. 5 institute
Show, formed punch 3 further includes formed punch 2 33；The formed punch 2 33 and formed punch 1 are in that upper and lower symmetrical structure is connected to punch holder 32
Upper and lower end faces can replace formed punch 2 33 at any time, can effectively improve production efficiency when formed punch 1 is worn.
Its installation step are as follows:
Step 1: socket: being pierced by perforation with plunger tip 22 for formed punch 1 or formed punch 2 33, and by punch holder 32 and formed punch 2 33
Or one 31 indwelling of formed punch is in connector sleeve 21；
Step 2: being spirally connected: rotation connection set 21, connector sleeve 21 will be screwed on connector 11, until formed punch 2 33 or
The upper end of formed punch 1 pushes against the bottom end of connector 11 and can replace formed punch two at any time when formed punch one is worn, can effectively improve production
Efficiency.
Embodiment 5
A kind of detachable punching head of the present embodiment, basic structure is any with embodiment 1 to 4, different and the improvement is that,
The formed punch cavity 12 that can accommodate formed punch 2 33 or formed punch 1 is opened in connector 11；The combined effect for reaching workpiece avoids entire
Punch device is too long and influences punching stroke；The formed punch 2 33 or formed punch 1 and 12 clearance fit of formed punch cavity, facilitate punching
First 2 33 or formed punch 1 and formed punch cavity 12 flexible assembling.The sum of punch holder 32 and the length of connector 11 and connector sleeve 21
Depth of inner cavity it is equivalent, assembling is tight, avoids shortening punching stroke；The depth of the formed punch cavity 12 is slightly larger than 2 33 He of formed punch
The length of formed punch 1, the meaningless abrasion of another formed punch when avoiding punching.
Its installation step are as follows:
Step 1: socket: being pierced by perforation with plunger tip 22 for formed punch 1 or formed punch 2 33, and by punch holder 32 and formed punch 2 33
Or one 31 indwelling of formed punch is in connector sleeve 21；
Step 2: grafting: after formed punch 2 33 or formed punch 1 are directed at formed punch cavity 12, straight cutting enters in formed punch cavity 12；
The combined effect for reaching workpiece avoids entire punch device too long and influences punching stroke；The formed punch two or formed punch one and punching
Head cavity clearance fit, facilitates the flexible assembling of formed punch two or formed punch one and formed punch cavity；
Step 3: being spirally connected: rotation connection set 21, connector sleeve 21 will be screwed on connector 11, until formed punch 2 33 or
The upper end of formed punch 1 pushes against the bottom end of connector 11.
Embodiment 6
A kind of detachable punching head of the present embodiment, basic structure is any with embodiment 2 to 5, different and the improvement is that,
As shown in Figure 6,7, connector sleeve 21 erects downwards along upper end and cuts with lower section 23, facilitates hand disassembly.Connector 11 is along lower end surface
It is perpendicular upwards to cut with upper edge 13, facilitate the disassembly of entire punch device in a mold, moreover, upper and lower two sections synergistic effect can
Effectively play the effect being mutually located, when can be designed to two section consistencies from top to bottom fastening in place, thus avoid being spirally connected excessively or
It is not in place and lead to screw thread stress when punching and cause the side effect of stripped thread.
The assembly method of the detachable punching head of the present embodiment, step are as follows:
Step 1: socket: formed punch 1 is pierced by perforation with plunger tip 22, and by punch holder 32 and 2 33 indwelling of formed punch in connection
In set 21；
Step 2: grafting: after formed punch 2 33 is directed at formed punch cavity 12, straight cutting enters in formed punch cavity 12；
Step 3: being spirally connected: connector sleeve 21 and connector 11 are spirally connected fastening by rotation connection set 21.
Detachable punching head hole-punching method after the assembly of the present embodiment, specific steps are as follows:
Step 1: die-filling: formed punch pedestal 1 is assembled in the upper mold of hydraulic press；
Step 2: feeding: will be in the lower die of aperture plate merging hydraulic press；
Step 3: molding punching: driving upper mold pushes, and by one 31 pairs of plate punchings of formed punch, and observes formed punch 1
Operating condition；
Step 4: formed punch replaces: the operating condition to formed punch 1 has abrasion, when influencing plate punching quality, stops hydraulic press
Driving reverses rotation connection set 21, after 11 dismounting helix of connector sleeve 21 and connector, formed punch 1 and formed punch 2 33 are replaced
Installation step assembly is repeated afterwards；
Step 5: secondary mould closing punching: driving upper mold pushes, and passes through 2 33 pairs of plate punchings of formed punch.Two formed punches are successively
Work, substantially increases production efficiency.
Embodiment 7
A kind of detachable punching head of the present embodiment, basic structure is any with embodiment 2 to 6, different and the improvement is that,
Spring built in formed punch cavity 12, spring can surround formed punch 2 33 or formed punch 1, and length is slightly larger than formed punch 2 33 or formed punch 1
Length, can avoid punch holder 32 contacted with the really up to the mark of connector 11, raising punch holder 32 service life, also act as damping
Technical effect reduces the generation of noise.When two grafting of the step of assembling process, first by spring be placed in formed punch cavity 12 in after again into
The grafting of row formed punch 2 33 or formed punch 1.
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited to this.So if the common skill of this field
Art personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution
Similar frame mode and embodiment, are within the scope of protection of the invention.
Claims (7)
1. a kind of assembly method of detachable punching head, it is characterised in that: detachable punching head includes formed punch pedestal (1), retention mechanism
(2) and formed punch (3)；Connector (11) are arranged in the bottom of the formed punch pedestal (1)；The retention mechanism (2) is in cannula-like structure,
Connector sleeve (21) and wide open perforation with plunger tip (22) in the middle part of the sealed end of connector sleeve (21) including one end semitight；The punching
Head (3) includes that section is in up-down structure in the punch holder (32) and formed punch one (31) that " convex " shape links together；Installation step
Are as follows:
Step 1: socket: formed punch one (31) is pierced by perforation with plunger tip (22), and by punch holder (32) indwelling in connector sleeve (21)
It is interior；
Step 2: fastening: connector sleeve (21) and connector (11) are detachably fastenedly connected.
2. the assembly method of detachable punching head according to claim 1, it is characterised in that: detachable to fasten in step 2
When connection, the upper end of punch holder (32) pushes against the bottom end of connector (11).
3. the assembly method of detachable punching head according to claim 1, it is characterised in that: the connector sleeve (21) and connection
Head (11) is to be threadedly coupled, and connector sleeve (21) is internal screw thread, and corresponding connector (11) is external screw thread；The step 2 is that will connect
Female connector (21) is screwed on connector (11).
4. the assembly method of detachable punching head according to claim 3, it is characterised in that: the formed punch (3) further includes punching
First two (33)；The formed punch two (33) and formed punch one (31) are connected to the upper and lower ends of punch holder (32) in upper and lower symmetrical structure
Face；Installation step are as follows:
Step 1: socket: formed punch one (31) or formed punch two (33) are pierced by perforation with plunger tip (22), and by punch holder (32) and formed punch
Two (33) or formed punch one (31) indwelling are in connector sleeve (21)；
Step 2: being spirally connected: connector sleeve (21) will be screwed on connector (11) by rotation connection set (21), until formed punch two
(33) or the upper end of formed punch one (31) push against connector (11) bottom end.
5. the assembly method of detachable punching head according to claim 4, it is characterised in that: connector (11) Nei Kai can
Accommodate the formed punch cavity (12) of formed punch two (33) or formed punch one (31)；The formed punch two (33) or formed punch one (31) and formed punch cavity
(12) clearance fit, installation step are as follows:
Step 1: socket: formed punch one (31) or formed punch two (33) are pierced by perforation with plunger tip (22), and by punch holder (32) and formed punch
Two (33) or formed punch one (31) indwelling are in connector sleeve (21)；
Step 2: grafting: after formed punch two (33) or formed punch one (31) alignment formed punch cavity (12), straight cutting enters formed punch cavity (12)
It is interior；
Step 3: being spirally connected: connector sleeve (21) will be screwed on connector (11) by rotation connection set (21), until formed punch two
(33) or the upper end of formed punch one (31) push against connector (11) bottom end.
6. the assembly method of detachable punching head according to claim 4, it is characterised in that: the connector sleeve (21) is along upper end
It erects downwards and cuts with lower section (23)；The connector (11) erects upwardly along lower end and cuts with upper edge (13)；The step 3
In, cooperate upper edge (13) and lower section (23) to be rotatably spirally connected.
7. a kind of detachable punching head hole-punching method, which is characterized in that step are as follows:
Step 1: die-filling: formed punch pedestal (1) is assembled in the upper mold of hydraulic press；
Step 2: feeding: will be in the lower die of aperture plate merging hydraulic press；
Step 3: molding punching: driving upper mold pushes, and by formed punch one (31) to plate punching, and observes formed punch one (31)
Operating condition；
Step 4: formed punch replaces: the operating condition to formed punch one (31) has abrasion, when influencing plate punching quality, stops hydraulic press and drives
It is dynamic, rotation connection set (21) is reversed, after connector sleeve (21) and connector (11) dismounting helix, by formed punch one (31) and formed punch two
(33) installation step assembly is repeated after replacing；
Step 5: secondary mould closing punching: driving upper mold pushes, by formed punch two (33) to plate punching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910418380.3A CN110014079A (en) | 2019-05-20 | 2019-05-20 | A kind of assembly of detachable punching head and hole-punching method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910418380.3A CN110014079A (en) | 2019-05-20 | 2019-05-20 | A kind of assembly of detachable punching head and hole-punching method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110014079A true CN110014079A (en) | 2019-07-16 |
Family
ID=67194032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910418380.3A Pending CN110014079A (en) | 2019-05-20 | 2019-05-20 | A kind of assembly of detachable punching head and hole-punching method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110014079A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202007004957U1 (en) * | 2006-05-22 | 2007-07-12 | Dietz Maschinen- Und Werkzeugbau Gmbh | Industrial punch driver and tool impact distance are adjusted by screw thread link with surrounding socket |
| CN102581138A (en) * | 2012-03-13 | 2012-07-18 | 苏州新凌高强度紧固件有限公司 | Punch device |
| CN202377381U (en) * | 2011-12-15 | 2012-08-15 | 扬州恒德模具有限公司 | A station split type upper die of numerical control punch press |
| CN205869243U (en) * | 2016-07-16 | 2017-01-11 | 东莞市夏阳精密钨钢有限公司 | A precision hard alloy punch |
| CN206632195U (en) * | 2017-02-20 | 2017-11-14 | 东莞市纳思精密模具有限公司 | A combined station die for easy installation and disassembly of punches |
-
2019
- 2019-05-20 CN CN201910418380.3A patent/CN110014079A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202007004957U1 (en) * | 2006-05-22 | 2007-07-12 | Dietz Maschinen- Und Werkzeugbau Gmbh | Industrial punch driver and tool impact distance are adjusted by screw thread link with surrounding socket |
| CN202377381U (en) * | 2011-12-15 | 2012-08-15 | 扬州恒德模具有限公司 | A station split type upper die of numerical control punch press |
| CN102581138A (en) * | 2012-03-13 | 2012-07-18 | 苏州新凌高强度紧固件有限公司 | Punch device |
| CN205869243U (en) * | 2016-07-16 | 2017-01-11 | 东莞市夏阳精密钨钢有限公司 | A precision hard alloy punch |
| CN206632195U (en) * | 2017-02-20 | 2017-11-14 | 东莞市纳思精密模具有限公司 | A combined station die for easy installation and disassembly of punches |
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Application publication date: 20190716 |
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| RJ01 | Rejection of invention patent application after publication |