CN106671186A - Punching device for plate punching - Google Patents
Punching device for plate punching Download PDFInfo
- Publication number
- CN106671186A CN106671186A CN201710050611.0A CN201710050611A CN106671186A CN 106671186 A CN106671186 A CN 106671186A CN 201710050611 A CN201710050611 A CN 201710050611A CN 106671186 A CN106671186 A CN 106671186A
- Authority
- CN
- China
- Prior art keywords
- group
- main body
- circular arc
- liquid storage
- piston
- 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.)
- Granted
Links
- 238000004080 punching Methods 0.000 title claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 238000010276 construction Methods 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 6
- 230000005520 electrodynamics Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 239000010720 hydraulic oil Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
- B26F1/14—Punching tools; Punching dies
-
- 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
- B21D28/26—Perforating, i.e. punching holes in sheets or flat parts
-
- 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
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/01—Means for holding or positioning work
- B26D7/02—Means for holding or positioning work with clamping means
- B26D7/04—Means for holding or positioning work with clamping means providing adjustable clamping pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Shearing Machines (AREA)
Abstract
The invention discloses a punching device for plate punching. The punching device comprises a main machine and a guide sliding block arranged at the edge of the top of the main machine body; a liquid storage cavity is arranged inside the main machine body, a suction pipe is arranged at the top of the liquid storage cavity, the bottom end of the suction pipe is located at the bottom of the interior of the liquid storage cavity, and a first shutoff valve is arranged inside the suction pipe; a piston cavity is arranged at the position, inside the main machine body, of the top of the liquid storage cavity, a piston is inserted into the piston cavity, and a piston driving connection column penetrating the main machine body is fixed to the center of the upper surface of the piston; the top of the piston driving connection column is connected with one end of an control rod through a hinge, and a strut is connected with the bottom end of the middle portion of a rod body of the control rod through a hinge. By means of the punching device, the principle of a hydraulic jack is used, and environmental protection is facilitated. When the punching device is used, influences of environment are avoided, and the using scope is wide; and in addition, the device can effectively reduce the labor intensity when reinforcing steel bars are bent.
Description
Technical field
The present invention relates to field of mechanical technique, specially a kind of perforating device for plate punching.
Background technology
In prior art, the hole punched device used by sheet material, typically by manually being operated with electric drill, in addition it is also necessary to first look for thing
Sheet material is fixed, otherwise easily sheet material is beaten tiltedly, not only power consumption is big for this method, high labor intensive and work efficiency is also low,
And electric drill is used, very big noise is produced in punch process, therefore, it is to solve the above problems, special that a kind of new technical side is provided
Case.
The content of the invention
It is an object of the invention to provide a kind of perforating device for plate punching, to solve to carry in above-mentioned background technology
The problem for going out.
For achieving the above object, the present invention provides following technical scheme：
A kind of perforating device for plate punching, including main body and the slider guide for being arranged on main body top, it is described
The inside of main body is provided with one group of liquid storage cylinder, and one group of suction tube, and the bottom of the suction tube are provided with the top of the liquid storage cylinder
Positioned at the bottom of the inside of the liquid storage cylinder, the inside of suction tube is provided with one group of first shutoff valve, and the inside of the main body exists
One group of plunger shaft is provided with the top of liquid storage cylinder, one group of piston, the upper surface of the piston are inserted in the inside of the plunger shaft
Center fix one group of piston through main body and drive and connect post, the piston drives to connect and be connected through the hinge at the top of post one group of manipulation
One end of bar, the bottom in the middle part of the manipulation club shaft are connected through the hinge pillar, and the bottom of the pillar is fixed on main body
Upper surface, the inside of the main body is provided with the first pipeline of one group of connection plunger shaft, first conduction pipe it is interior
Portion is provided with one group of second shutoff valve, and the inside of the main body is being provided between the bottom of first pipeline and liquid storage cylinder
The bottom of one group of first pipeline of connection and the second conduction pipe of liquid storage cylinder, the inside of second conduction pipe are provided with one group of electric valve,
The main body is provided with one group of stretched sheathed tube in the one end positioned at slider guide, and one group of circular arc is fixed in one end of the stretched sheathed tube
Extension, the inside of the circular arc extension are communicated with the middle cavity of stretched sheathed tube, and the inside of the middle cavity is provided with one
Group gear fitting, the center of the end face of the gear fitting fix one group of circular arc push rod through circular arc extension, the circle
Arc push rod fixes one group of propulsion arm in the one end outside circular arc extension, between the slider guide and the control lever
The main body at the top of be provided with limited block, the limited block is relative with inside the slider guide to be provided with slide opening, the limited block
Buckling groove is provided with the top of the main body between the slider guide, punching bar, the circular arc in the slider guide, is provided with
On the left of the main body on rear side of extension, outer wall is fixed with gripper shoe, is provided with slide guide above the gripper shoe in front end face
Groove, is provided with pushing slide block in the guide runner, run through being provided with guide rod, the pushing on the pushing slide block in the guide runner
Top pressure spring is surrounded with the guide rod on the right side of slide block, the slider guide is stretched out on the left of the punching bar and is slided with described pushing
Block its right end face is fixedly connected.
Further, the construction profile of the circular arc push rod of the circular arc extension is arc-shaped structure, and circular arc
The center of circle of the center of circle of shape extension construction profile and the construction profile of circular arc push rod is same center circle.
Further, the fluid issuing of first shutoff valve is located at the direction of plunger shaft.
Further, the fluid issuing of second shutoff valve is located at the direction of stretched sheathed tube.
Further, the hinge is rotary angle regulating structure.
Further, the electric valve is electrodynamic type valve.
Further, the height at the top of the propulsion arm is higher than the level height for pushing slide block.
Compared with prior art, the invention has the beneficial effects as follows：
Principle of the present invention using hydraulic jack, there is provided required power during moment reinforcement, the device do not need other energy
Source is conducive to environmental protection, and will not be affected by environment during use as power, and use range is wide, additionally, the device can be
During punching, labor intensity is effectively reduced.
Description of the drawings
Fig. 1 is a kind of structural representation of the perforating device for plate punching of the present invention；
Fig. 2 is a kind of structural representation of the perforating device for plate punching of the present invention in A-A directions；
Fig. 3 is the structural representation of spacing head in a kind of perforating device for plate punching of the present invention；
Fig. 4 is a kind of structural representation of gripper shoe of the invention.
In figure：1, main body, 2, liquid storage cylinder, 3, suction tube, 4, the first shutoff valve, 5, plunger shaft, 6, piston, 7, piston drives
Connect post, 8, control lever, 9, hinge, 10, pillar, 11, the first conduction pipe, 12, the second shutoff valve, 13, the second conduction pipe, 14, electricity
Valve, 15, stretched sheathed tube, 16, circular arc extension, 17, circular arc push rod, 18, propulsion arm, 19, slider guide, 20, middle cavity,
21, gear fitting, 22, gripper shoe, 23, limited block, 24, slide opening, 25, guide runner, 26, push slide block, 27, guide rod, 28, top pressure bullet
Spring, 29, punching bar, 30, buckling groove.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a kind of embodiment that the present invention is provided：A kind of punching for plate punching
Device, including main body 1 and the slider guide 19 for being arranged on 1 top of main body, the inside of the main body 1 is provided with one group of storage
Sap cavity 2, the top of the liquid storage cylinder 2 are provided with one group of suction tube 3, and the bottom of the suction tube 3 is located at the interior of the liquid storage cylinder 2
The bottom in portion, the inside of suction tube 3 are provided with one group of first shutoff valve 4, and the inside of the main body 1 is positioned at the top of liquid storage cylinder 2
Portion is provided with one group of plunger shaft 5, and one group of piston 6 is inserted in the inside of the plunger shaft 5, and the center of the upper surface of the piston 6 is fixed
One group of piston through main body 1 drives and connects post 7, and the piston drives the top for connecing post 7 by the one group of control lever 8 of connection of hinge 9
One end, the bottom in the middle part of 8 body of rod of the control lever connect pillar 10 by hinge 9, and the bottom of the pillar 10 is fixed on main frame
The upper surface of body 1, the inside of the main body 1 are provided with the first pipeline 11 of one group of connection plunger shaft 5, first conducting
The inside of pipe 11 is provided with one group of second shutoff valve 12, the inside of the main body 1 positioned at the bottom of first pipeline 11 and
The bottom of one group of first pipeline of connection 11 and the second conduction pipe 13 of liquid storage cylinder 2, second conduction pipe are provided between liquid storage cylinder 2
13 inside is provided with one group of electric valve 14, and the main body 1 is provided with one group of stretched sheathed tube 15 in the one end positioned at slider guide 19, described
One group of circular arc extension 16 is fixed in one end of stretched sheathed tube 15, and the inside of the circular arc extension 16 is communicated with extension set
The middle cavity 20 of pipe 15, the inside of the middle cavity 20 are provided with one group of gear fitting 21, the center of the end face of the gear fitting 21
One group of circular arc push rod 17 through circular arc extension 16 is fixed, the circular arc push rod 17 is positioned at circular arc extension 16
One group of propulsion arm 18 is fixed in outside one end, is provided with the top of the main body 1 between the slider guide 19 and the control lever 8
Limited block 23, the limited block 23 is relative with inside the slider guide 19 to be provided with slide opening 24, the limited block 23 and the slide guide
Buckling groove 30 is provided with the top of the main body 1 between block 19, in the slider guide 19, punching bar 29 is provided with, the circular arc is prolonged
Stretch the 1 left side outer wall of the main body on rear side of pipe 16 and be fixed with gripper shoe 22, be provided with 22 top front end face of the gripper shoe
Guide runner 25, is provided with pushing slide block 26 in the guide runner 25, run through setting on the pushing slide block 26 in the guide runner 25
There is guide rod 27, top pressure spring 28 is surrounded with the guide rod 27 pushed on the right side of slide block 26, is stretched on the left of the punching bar 29
Go out the slider guide 19 and be fixedly connected with pushing 26 its right end face of slide block.
The construction profile of the circular arc push rod 17 of the circular arc extension 16 is arc-shaped structure, and circular arc extends
The center of circle of the center of circle of 16 construction profile of pipe and the construction profile of circular arc push rod 17 is same center circle；First shutoff valve 4
Fluid issuing be located at plunger shaft 5 direction, control hydraulic oil be not inside of the reflux to liquid storage cylinder 2；Second shutoff valve
12 fluid issuing be located at stretched sheathed tube 15 direction, control hydraulic oil will not reflux to plunger shaft 5 inside；The hinge 9
For rotary angle regulating structure, realize that control lever 8 rotates, play pressure effect；The electric valve 14 is electrodynamic type valve, is realized electronic
The electric valve 14 of control so that hydraulic oil can be discharged；The height at the top of the propulsion arm 18 is higher than the water for pushing slide block 26
Flat height, it is convenient that reinforcing bar is carried out into spacing bending.
Specifically used mode：In present invention work, sheet material is placed into into the buckling groove between slider guide 19 and limited block 23
In 30, sheet material is abutted against with limited block 23, now, repeatedly press control lever 8, in the presence of lever principle, piston 6 is repeatedly
Move up and down, in the presence of air pressure, the hydraulic oil inside liquid storage cylinder 2 is inhaled into the inside of plunger shaft 5, due to
The presence of one shutoff valve 4, when piston 6 is moved down, hydraulic oil will not be entered in liquid storage cylinder 2, enter into the first pipeline on the contrary
In 11, under the continuous propulsion of piston 6, can be more into the hydraulic oil in the first pipeline 11, and due to the second shutoff valve 12
Exist, these hydraulic oil will not reflux to plunger shaft 5, and then flow in circular arc extension 16, powerful hydraulic oil extruding keeps off
Fitting 21 so that gear fitting 21 is subjected to displacement, and the continuous movement of circular arc push rod 17, are pushing slide block when propulsion arm 18 is contradicted
During 26 left side, due to constantly exerting a force, in the presence of propulsion arm 18, pushing slide block 26 is made to overcome the work of top pressure spring 28
Firmly move towards right side along guide runner 25, now, pushing slide block 26 promotes punching bar 29 after slider guide 19 is oriented to, punching bar
29 its right end faces are slipped in buckling groove 30, are gradually compressed with sheet material and are engaged, and punching bar 29 is penetrated sheet material and is stretched into spacing
In slide opening 24 in block 23, now, stop by the manipulation body of rod 8, by opening electric valve 14 so that positioned at the first pipeline 11 and circular arc
Hydraulic oil in shape extension 16 is back in liquid storage cylinder 2 through the second conduction pipe 13, is pushed slide block 26 and is passed through top pressure spring 28
Active force move to the leftmost side in guide runner 25, while punching bar 29 moves into slider guide 19 from new, finally sheet material is taken out
.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of spirit or essential attributes without departing substantially from the present invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as and limit involved claim.
Claims (7)
1. a kind of perforating device for plate punching, including main body（1）Be arranged on main body（1）The slide guide of top
Block（19）, it is characterised in that：The main body（1）Inside be provided with one group of liquid storage cylinder（2）, the liquid storage cylinder（2）Top set
There is one group of suction tube（3）, and the suction tube（3）Bottom be located at the liquid storage cylinder（2）Inside bottom, suction tube（3）
Inside be provided with one group of first shutoff valve（4）, the main body（1）Inside positioned at liquid storage cylinder（2）Top be provided with one group
Plunger shaft（5）, the plunger shaft（5）Inside insert one group of piston（6）, the piston（6）The center of upper surface fix one
Group is through main body（1）Piston drive connect post（7）, the piston drives and connects post（7）Top pass through hinge（9）Connect one group of manipulation
Bar（8）One end, the control lever（8）Bottom in the middle part of the body of rod passes through hinge（9）Connection pillar（10）, the pillar（10）'s
Bottom is fixed on main body（1）Upper surface, the main body（1）Inside be provided with one group of connection plunger shaft（5）
One pipeline（11）, first conduction pipe（11）Inside be provided with one group of second shutoff valve（12）, the main body（1）Inside
Positioned at first pipeline（11）Bottom and liquid storage cylinder（2）Between be provided with one group of first pipeline of connection（11）Bottom and storage
Sap cavity（2）The second conduction pipe（13）, second conduction pipe（13）Inside be provided with one group of electric valve（14）, the main body
（1）Positioned at slider guide（19）One end be provided with one group of stretched sheathed tube（15）, the stretched sheathed tube（15）One end fix one group
Circular arc extension（16）, the circular arc extension（16）Inside be communicated with stretched sheathed tube（15）Middle cavity（20）,
The middle cavity（20）Inside be provided with one group of gear fitting（21）, the gear fitting（21）The center of end face fix one group and pass through
Wear circular arc extension（16）Circular arc push rod（17）, the circular arc push rod（17）Positioned at circular arc extension（16）Outward
One group of propulsion arm is fixed in the one end in portion（18）, the slider guide（19）With the control lever（8）Between the main body（1）Top
Portion is provided with limited block（23）, the limited block（23）With the slider guide（19）It is internal to be provided with slide opening relatively（24）, it is described spacing
Block（23）With the slider guide（19）Between the main body（1）Top is provided with buckling groove（30）, the slider guide（19）It is interior
It is provided with punching bar（29）, the circular arc extension（16）The main body of rear side（1）Left side outer wall is fixed with gripper shoe
（22）, the gripper shoe（22）Guide runner is provided with the front end face of top（25）, the guide runner（25）Pushing slide block is provided with inside
（26）, the guide runner（25）The interior pushing slide block（26）Above run through and be provided with guide rod（27）, the pushing slide block（26）It is right
The guide rod of side（27）On be surrounded with top pressure spring（28）, the punching bar（29）Stretch out the slider guide in left side（19）And with
The pushing slide block（26）Its right end face is fixedly connected.
2. a kind of perforating device for plate punching according to claim 1, it is characterised in that：The circular arc extends
Pipe（16）Circular arc push rod（17）Construction profile be arc-shaped structure, and circular arc extension（16）The circle of construction profile
The heart and circular arc push rod（17）Construction profile the center of circle be same center circle.
3. a kind of perforating device for plate punching according to claim 1, it is characterised in that：First shutoff valve
（4）Fluid issuing be located at plunger shaft（5）Direction.
4. a kind of perforating device for plate punching according to claim 1, it is characterised in that：Second shutoff valve
（12）Fluid issuing be located at stretched sheathed tube（15）Direction.
5. a kind of perforating device for plate punching according to claim 1, it is characterised in that：The hinge（9）For
Rotary angle regulating structure.
6. a kind of perforating device for plate punching according to claim 1, it is characterised in that：The electric valve（14）For
Electrodynamic type valve.
7. a kind of perforating device for plate punching according to claim 1, it is characterised in that：The propulsion arm（18）
Top height be higher than the pushing slide block（26）Level height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710050611.0A CN106671186B (en) | 2017-01-23 | 2017-01-23 | A kind of perforating device for plate punching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710050611.0A CN106671186B (en) | 2017-01-23 | 2017-01-23 | A kind of perforating device for plate punching |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106671186A true CN106671186A (en) | 2017-05-17 |
| CN106671186B CN106671186B (en) | 2017-10-03 |
Family
ID=58859904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710050611.0A Active CN106671186B (en) | 2017-01-23 | 2017-01-23 | A kind of perforating device for plate punching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106671186B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0005634B2 (en) * | 1978-05-22 | 1985-07-17 | BROWN BOGGS FOUNDRY & MACHINE CO. LIMITED | Safety devices for mechanically operated apparatus such as punch presses |
| US5896796A (en) * | 1997-06-06 | 1999-04-27 | Chih; Chen-Keng | Device for punching holes in a bicycle rim |
| CN201195179Y (en) * | 2008-05-12 | 2009-02-18 | 中冶东北建设有限公司电气安装工程公司 | Hydraulic portiforium apparatus |
| CN103842137A (en) * | 2011-08-02 | 2014-06-04 | 古斯塔夫.克劳克有限责任公司 | Jaw pair for punching out holes |
| CN205096329U (en) * | 2015-11-19 | 2016-03-23 | 朱光辉 | Manual hydraulic pressure disjunctor piercing press |
| CN205253848U (en) * | 2015-11-27 | 2016-05-25 | 无锡工源机械有限公司 | Copper pipe punching equipment's copper pipe clip |
| CN205380181U (en) * | 2016-02-23 | 2016-07-13 | 张嘉强 | Novel hydraulic piercing press |
-
2017
- 2017-01-23 CN CN201710050611.0A patent/CN106671186B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0005634B2 (en) * | 1978-05-22 | 1985-07-17 | BROWN BOGGS FOUNDRY & MACHINE CO. LIMITED | Safety devices for mechanically operated apparatus such as punch presses |
| US5896796A (en) * | 1997-06-06 | 1999-04-27 | Chih; Chen-Keng | Device for punching holes in a bicycle rim |
| CN201195179Y (en) * | 2008-05-12 | 2009-02-18 | 中冶东北建设有限公司电气安装工程公司 | Hydraulic portiforium apparatus |
| CN103842137A (en) * | 2011-08-02 | 2014-06-04 | 古斯塔夫.克劳克有限责任公司 | Jaw pair for punching out holes |
| CN205096329U (en) * | 2015-11-19 | 2016-03-23 | 朱光辉 | Manual hydraulic pressure disjunctor piercing press |
| CN205253848U (en) * | 2015-11-27 | 2016-05-25 | 无锡工源机械有限公司 | Copper pipe punching equipment's copper pipe clip |
| CN205380181U (en) * | 2016-02-23 | 2016-07-13 | 张嘉强 | Novel hydraulic piercing press |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106671186B (en) | 2017-10-03 |
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Inventor after: Zhou Jingcheng Inventor after: Gu Qun Inventor after: Chen Yuhui Inventor after: Chen Jiandong Inventor before: Lv Yuhui |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20170823 Address after: 226000 No. 158 Jianghai West Road, Haian Town, Haian County, Nantong, Jiangsu Applicant after: Jiangsu WELM Technology (Stock-Holding) Co., Ltd. Address before: In 312580 cities in Zhejiang province Shaoxing city Xinchang County town of West Village poly Hill No. 6 Applicant before: Lv Yuhui |
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