CN206689263U - Multi-station precision slide block type hydraulic press - Google Patents
Multi-station precision slide block type hydraulic press Download PDFInfo
- Publication number
- CN206689263U CN206689263U CN201720226859.3U CN201720226859U CN206689263U CN 206689263 U CN206689263 U CN 206689263U CN 201720226859 U CN201720226859 U CN 201720226859U CN 206689263 U CN206689263 U CN 206689263U
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- Prior art keywords
- station
- clamping
- fixed column
- movable block
- lower die
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- Expired - Fee Related
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- 238000004080 punching Methods 0.000 claims abstract description 54
- 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 15
- 238000003825 pressing Methods 0.000 claims abstract description 8
- 239000000758 substrate Substances 0.000 claims description 12
- 230000004323 axial length Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model provides a kind of Multi-station precision slide block type hydraulic press, it includes pedestal, pressing part and pressure-bearing portion, wherein, pressing part includes Punching slider and drift, pressure-bearing portion includes station dial, station dial is rotated by Cam splitter and motor, lower die head is provided with station dial, the fixed column of lower die head extends to the lower section of station turnplate through the station hole on station dial, the clamping device for gripping the fixed column is correspondingly arranged on below station dial, the clamping movable block of the clamping device is slided by the extruding of Punching slider, and then clamp position.While the downward punching press of the Punching slider of Multi-station precision slide block type hydraulic press of the present utility model, the fixed column of lower die head is clamped by extruding clamping movable block clamping device, corresponding position relationship between drift and lower die head can further be ensured, prevent unbalance loading, the quality of product is improved, extends the life-span of punch press.
Description
Technical field
Machining equipment field is the utility model is related to, more particularly to a kind of Multi-station precision slide block type hydraulic press.
Background technology
Punch press is a kind of relatively common machining machine, then it is passed through by the way that workpiece is fixed in lower die head
Drift carries out punch forming to workpiece and obtains required product, and present many punch presses often exist to improve processing efficiency
Multiple processing stations are provided with one punch press.
During punch process, because the stamping press of drift is larger, if so corresponding between drift and lower die head
Position relationship have deviation, be easy for occur unbalance loading phenomenon so that the workpiece discontinuity between drift and lower die head, this is not
The Quality Down of product, and the running stability to punch press, precision stability and the life-span for being driven parts can only be caused
It can have adverse effect on.
Therefore need to provide a kind of Multi-station precision slide block type hydraulic press to solve above-mentioned technical problem.
Utility model content
The utility model provides a kind of Multi-station precision slide block type hydraulic press, and it extrudes clamping activity by Punching slider
Block causes clamping device to clamp the fixed column of lower die head, can further ensure that corresponding position is closed between drift and lower die head
System, prevents unbalance loading, cause product quality to decline due to unbalance loading to solve punch press of the prior art in punching course,
The problem of punch press life-span declines.
In order to solve the above technical problems, the technical solution of the utility model is：A kind of Multi-station precision slide block type oil pressure punching
Bed, it includes pedestal, pressing part and pressure-bearing portion.
Wherein, the pedestal includes horizontal base and vertical pedestal；
The pressing part includes Punching slider and drift, and the drift is fixedly connected with the Punching slider, the punching press
Sliding block is slidably connected with the vertical pedestal；
The pressure-bearing portion includes：
Lower die head, it is used for the punch forming of workpiece, and the lower die head includes fixed column；
Cam splitter, it is fixedly installed on the horizontal base, for driving station dial to enter with set angle
Row indexing rotates；
Motor, it is fixedly installed on the horizontal base, for driving the Cam splitter to operate；
The station dial, it is located at the top of the Cam splitter, the middle part of the station dial with it is described
The output shaft of Cam splitter is fixedly connected, and multiple corresponding with the fixed column be used for is provided with the station dial
The station hole of the lower die head is set, and the station hole is through hole；
Clamping device, it is used to clamp the fixed column of the lower die head, and the clamping device is fixedly installed on institute
State on horizontal base, the clamping device is located at the lower section of the station dial, and the clamping device is located at the punching sliding
In the glide direction of block；
Wherein, the clamping device is fixed including gripping block, clamping movable block and substrate, the block that grips
Set on the substrate, the clamping movable block is slidably connected with the substrate, and the clamping movable block is backwards to the clamping
The side of fixed block is by spring and the substrate elastic connection, the elastic force direction of the spring and the clamping movable block
Glide direction is consistent；
Before the Punching slider contacts with the clamping movable block, the clamping movable block grips away from described
Block, the clamping device are in open configuration；
When the Punching slider contacts with the clamping movable block, the clamping movable block grips close to described
Block, the clamping device are in clamp position.
In the utility model, the fixed column is columned fixed column, and the block that grips includes being used to clamp
First clamping face of the fixed column, first clamping face are the arcwall face of evagination, and the clamping movable block includes being used to press from both sides
The second clamping face of the fixed column is held, second clamping face is the arcwall face of indent.
Preferably, annular groove is provided with the periphery of the fixed column, is provided with second clamping face and institute
State the corresponding convex portion of annular groove.
In the utility model, the bottom of the Punching slider is provided with the roller for extruding the clamping movable block,
The clamping movable block includes being used for the inclined-plane being extruded.
Further, the clamping movable block also includes a guide plane, and the guide plane is parallel to the punching sliding
The glide direction of block, after the clamping device is in clamp position, the Punching slider is in contact with the guide plane, institute
State inclined-plane and the round and smooth connection of the guide plane.
In the utility model, the pressure-bearing portion also includes framework, and Cam splitter, the drive are stated in the receptacle frame residence
Motor and the clamping device are moved, the holding tank corresponding with the station dial, institute are provided with the top of the framework
State also includes being used for the opening that the Punching slider interts in framework.
In the utility model, the station hole is evenly distributed in around the center of rotation of the station dial,
Two adjacent station holes and the line of the center of rotation of the station dial are in the set angle.
In the utility model, the lower die head also includes multiple locating dowels, and the locating dowel is used to strengthen the lower mould
The connection of head and the station dial, the locating dowel are evenly distributed in around the fixed column, and the multistation turns
The positioning hole corresponding with the locating dowel is also equipped with disk, the axial length of the locating dowel is less than the depth of the positioning hole
Degree.
Further, the fixed column and the corresponding station hole coordinate for gap, the locating dowel and corresponding institute
Positioning hole is stated for gap to coordinate.
The utility model is compared to prior art, its advantage：Multi-station precision slide block type oil of the present utility model
Press and coordinate between the lower die head of punch press and station dial for gap, the quick-replaceable of lower die head can be realized, simultaneously as shaping
Product afterwards is still fixedly connected with lower die head, and multi-station punch is continued for operation, in the bad taking-up of shaped article
In the case of, after directly can together taking out lower die head and shaped article, then shaped article is peeled off；
In addition, while Punching slider downward punching press, clamping movable block can be extruded and cause clamping device to clamp lower die head
Fixed column, can further ensure corresponding position relationship between drift and lower die head, prevent unbalance loading, improve product
Quality, extend life-span of punch press, enhance running stability, the precision stability of punch press.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below in embodiment
The required accompanying drawing used is briefly described, and drawings in the following description are only that section Example of the present utility model is corresponding
Accompanying drawing.
Fig. 1 is the structural representation of the preferred embodiment of Multi-station precision slide block type hydraulic press of the present utility model.
Fig. 2 is the sectional view of the right apparent direction of the Multi-station precision slide block type hydraulic press in Fig. 1.
Fig. 3 is the structural representation of the clamping device of Multi-station precision slide block type hydraulic press of the present utility model.
Fig. 4 is the structural representation of the Punching slider of Multi-station precision slide block type hydraulic press of the present utility model.
Fig. 5 is the structural representation of the lower die head of Multi-station precision slide block type hydraulic press of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those skilled in the art are obtained under the premise of creative work is not made
The every other embodiment obtained, belong to the scope of the utility model protection.
During the punch process of punch press, because the stamping press of drift is larger, if so drift and lower die head it
Between corresponding position relationship have deviation, be easy for occur unbalance loading phenomenon so that the workpiece unbalance stress between drift and lower die head
Even, this can not only cause the Quality Down of product, and the running stability to punch press, precision stability and transmission parts
Life-span can have adverse effect on.
It the following is a kind of Multi-station precision slide block type oil pressure punching that can solve above technical problem provided by the utility model
The preferred embodiment of bed.
Referring to Fig.1 and 2, wherein Fig. 1 is the preferred reality of Multi-station precision slide block type hydraulic press of the present utility model
The structural representation of example is applied, Fig. 2 is the sectional view of the right apparent direction of the Multi-station precision slide block type hydraulic press in Fig. 1.
In figure, the similar unit of structure is represented with identical label.
The preferred embodiment of Multi-station precision slide block type hydraulic press provided by the utility model is：A kind of Multi-station precision
Slide block type hydraulic press, it includes pedestal, pressing part and pressure-bearing portion.
Wherein, pedestal includes 11, horizontal base and vertical pedestal 12；
Pressing part includes Punching slider 21 and drift 22, and drift 22 is fixedly connected with Punching slider 21, Punching slider 21 with
Vertical pedestal 12 is slidably connected；
Pressure-bearing portion includes lower die head 36, Cam splitter 34, motor 33, station dial 31 and clamping device
35。
Lower die head 36 is used for the punch forming of workpiece, and lower die head 36 includes fixed column 361.
Cam splitter 34 is fixedly installed on horizontal base 11, for driving station dial 31 to be carried out with set angle
Indexing rotates.
Motor 33 is fixedly installed on horizontal base 11, is operated for driving cam dispenser 34.
Station dial 31 is located at the top of Cam splitter 34, middle part and the Cam splitter 34 of station dial 31
Output shaft is fixedly connected, and is provided with station dial 34 multiple corresponding with fixed column 361 for setting lower die head 36
Station hole 311, station hole 311 are through hole；
Wherein, station hole 311 is evenly distributed in around the center of rotation of station dial 31, adjacent two stations
Hole and the line of the center of rotation of station dial 31 are in set angle, when Cam splitter 34 drives every turn of station dial 31
After moving a set angle, next station hole just turns to the lower section of drift 22 to carry out punch process.
Fig. 3 is refer to, wherein Fig. 3 is the knot of the clamping device of Multi-station precision slide block type hydraulic press of the present utility model
Structure schematic diagram.
Clamping device 35 is used to clamp the fixed column 361 of lower die head 36, and clamping device 35 is fixedly installed on level
On pedestal 11, clamping device 35 is located at the lower section of station dial 31, and clamping device 35 is located at the glide direction of Punching slider 21
On；
Wherein, clamping device 35 includes gripping block 352, clamping movable block 353 and substrate 351, grips block
352 are fixedly installed on substrate 351, and clamping movable block 353 is slidably connected with substrate 351, and clamping movable block 353 is solid backwards to clamping
The side for determining block 352 passes through spring 354 and the elastic connection of substrate 351, elastic force direction and the clamping movable block 353 of spring 354
Glide direction it is consistent.
Fig. 4 is refer to, wherein Fig. 4 is the knot of the Punching slider of Multi-station precision slide block type hydraulic press of the present utility model
Structure schematic diagram.
The roller 211 for extruding clamping movable block 353 is provided with the bottom of Punching slider 21, clamps movable block 353
Including the inclined-plane 3531 for being extruded；
Clamping movable block 353 also includes a guide plane 3532, slip of the guide plane 3532 parallel to Punching slider 21
Direction；
Before the roller 211 of Punching slider 21 contacts with clamping movable block 353, clamping movable block 353 is solid away from clamping
Determine block 352, clamping device 35 is in open configuration, and for Punching slider 21 during pushing, roller 211 can be gradually along inclined-plane
3531 roll, while it is close to block 352 is gripped to extrude clamping movable block 353；
When Punching slider 21 contacts with clamping movable block 353, clamping device 35 starts to clamp fixed column 361.
When roller 211 is rolled to the end on inclined-plane 3531 along inclined-plane 3531, the extruding clamping movable block of Punching slider 21
353 have slided a setpoint distance, and now clamping device 35 is fixedly clamped post 361 completely；Clamping device 35 is fixedly clamped post
After 361, the ability of drift 22 contacts with workpiece, and now, roller 211 is located on guide plane 3532.
Afterwards, Punching slider 21 continues slide downward along guide plane 3532, while drives drift 22 to be pressed downward so that
Workpiece is pressed into type；
Preferably, inclined-plane 3531 and 3532 round and smooth connection of guide plane, it is flat from inclined-plane 3531 to guiding to be advantageous to roller 211
The transition in face 3532.
In addition, during the upward return of Punching slider 21, elastic masterpiece of the clamping movable block 353 in spring 354
Under, initial position can be returned to, clamping device 35 unclamps the clamping to fixed column 361.
In the preferred embodiment, gripping block 352 includes being used for gripping the first clamping face of post 361, and first
Clamping face is the arcwall face of evagination, and clamping movable block 353 includes being used for the second clamping face for gripping post 361, the second clamping
Face is the arcwall face of indent；
Wherein, the first clamping face is designed to that the arcwall face of evagination could turn to default Working position in lower die head 36
When so that fixed column 361 can be in contact with the first clamping face, after clamping movable block 353 slides, the first clamping face and the second clamping
Face could clamp fixed column 361；
In addition, the second clamping face be designed as indent arcwall face could preferably and fixed column 361 periphery cooperation,
Be advantageous to clamping device 35 to be preferably fixedly clamped post 361.
Fig. 5 is refer to, wherein Fig. 5 is the structure of the lower die head of Multi-station precision slide block type hydraulic press of the present utility model
Schematic diagram.
In the preferred embodiment, fixed column 361 is columned fixed column, is set on the periphery of fixed column 361
Have annular groove 3611, be provided with the second clamping face with the corresponding convex portion (convex portion is not shown) of annular groove 3611, work as folder
Hold device 35 be fixedly clamped post 361 when, convex portion and annular groove 3611, which are formed, to be coordinated so that clamping device 35 and fixed column 3611 it
Between clamping it is more firm.
Preferably, lower die head 36 also includes multiple locating dowels 362, and locating dowel 362 is used to strengthen lower die head 36 and multistation
The connection of rotating disk 31, locating dowel 362 are evenly distributed in around fixed column 361, are also equipped with station dial 31 with determining
The corresponding positioning hole 312 of position post 362, the axial length of locating dowel 362 are less than the depth of positioning hole 312, are positioned such that post
Clamping of the clamping device 35 to fixed column 361 is not interfered with.
Further, fixed column 361 and corresponding station hole 311 coordinate for gap, locating dowel 362 and corresponding positioning hole
312 be that gap coordinates, and is so advantageous to the quick-replaceable of lower die head 36.
In the preferred embodiment, pressure-bearing portion also includes framework 32, and framework 32 frames Cam splitter 34, motor 33
And clamping device 35, the top of framework 32 are provided with the holding tank corresponding with station dial 31, also included in framework 32
The opening interted for Punching slider 21.
Operation principle of the present utility model：Fixed column 361 is alignd with station hole 311, by locating dowel 362 and positioning hole
Lower die head 36, is placed on station dial 31 by 312 alignment afterwards；Then workpiece is fixedly installed in lower die head 36；
Motor 33 starts, and Cam splitter 34 operates and drives station dial 31 to rotate, when station dial 31
The lower die head for being provided with workpiece is turned to the lower section of drift 22, while fixed column 361 is lived positioned at block 352 and clamping is gripped
Between motion block 353, and fixed column 361 is in contact with gripping the first clamping face of block 352；
Punching slider 21 is driven and glided, while drives drift 22 to push, and the roller 211 of the bottom of Punching slider 21 can be first
Inclined-plane 3531 is touched, continues to glide with Punching slider 21, roller 211 can roll along inclined-plane 3531, and extrude clamping
Movable block 353 is close to block 352 is gripped, until roller 211 is rolled on guide plane 3532 from inclined-plane 3531, now,
Clamping device 35 clamps fixed column 361；
Then, drift 22 comes into contact with workpiece, and Punching slider 21 continues slide downward along guide plane 3532, and rushes
Head just carries out punch process to workpiece, until shaping, punching press finish completely；
Subsequently, the upward return of Punching slider 21, clamping movable block 353 can return under the resilient force of spring 354
To initial position, clamping device 35 unclamps the clamping to fixed column 361, the operating of the driving cam dispenser 34 of motor 33 and band
Dynamic station dial 31 is rotated so that shaped article is swapped out, and now can be taken off shaped article, or by lower die head 36 and be molded
Product is together taken out, then shaped article is peeled off；
The lower die head 36 for having retightened workpiece can be finally relocated on station dial 31 to be rushed again
Pressure processing, or after the lower die head of different model is loaded onto into workpiece, then be arranged on station dial 31, to carry out new product
Punch process.
So complete the punching course of the Multi-station precision slide block type hydraulic press of this preferred embodiment.
It is gap between the lower die head and station dial of the Multi-station precision slide block type hydraulic press of this preferred embodiment
Coordinate, the quick-replaceable of lower die head can be realized, simultaneously as the product after shaping is still fixedly connected with lower die head, and multiplexing
Position punch press is continued for operation, can be directly by lower die head and shaped article in the case of the bad taking-up of shaped article
After together taking out, then shaped article is peeled off；
In addition, while Punching slider downward punching press, clamping movable block can be extruded and cause clamping device to clamp lower die head
Fixed column, can further ensure corresponding position relationship between drift and lower die head, prevent unbalance loading, improve product
Quality, extend life-span of punch press, enhance running stability, the precision stability of punch press.
In summary, although the utility model is disclosed above with preferred embodiment, above preferred embodiment is not used
To limit the utility model, one of ordinary skill in the art, do not departing from spirit and scope of the present utility model, can make
Various changes and retouching, therefore the scope of protection of the utility model is defined by the scope that claim defines.
Claims (9)
1. a kind of Multi-station precision slide block type hydraulic press, it includes pedestal, pressing part and pressure-bearing portion, it is characterised in that institute
Stating pedestal includes horizontal base and vertical pedestal, and the pressing part includes Punching slider and drift, the drift and the punching press
Sliding block is fixedly connected, and the Punching slider is slidably connected with the vertical pedestal, and the pressure-bearing portion includes：
Lower die head, it is used for the punch forming of workpiece, and the lower die head includes fixed column；
Cam splitter, it is fixedly installed on the horizontal base, for driving station dial to be divided with set angle
Degree rotates；
Motor, it is fixedly installed on the horizontal base, for driving the Cam splitter to operate；
The station dial, it is located at the top of the Cam splitter, the middle part of the station dial and the cam
The output shaft of dispenser is fixedly connected, and is provided with the station dial multiple corresponding with the fixed column for setting
The station hole of the lower die head, the station hole are through hole；
Clamping device, it is used to clamp the fixed column of the lower die head, and the clamping device is fixedly installed on the water
On flat pedestal, the clamping device is located at the lower section of the station dial, and the clamping device is located at the Punching slider
In glide direction；
Wherein, the clamping device includes gripping block, clamping movable block and substrate, described to grip block fixed setting
On the substrate, the clamping movable block is slidably connected with the substrate, and the clamping movable block grips backwards to described
The side of block passes through spring and the substrate elastic connection, the slip of the elastic force direction of the spring and the clamping movable block
Direction is consistent；
Before the Punching slider contacts with the clamping movable block, the clamping movable block grips block away from described,
The clamping device is in open configuration；
When the Punching slider contacts with the clamping movable block, the clamping movable block grips block close to described, institute
State clamping device and be in clamp position.
2. Multi-station precision slide block type hydraulic press according to claim 1, it is characterised in that the fixed column is cylinder
The fixed column of shape, the block that grips include being used for the first clamping face for clamping the fixed column, and first clamping face is
The arcwall face of evagination, the clamping movable block include being used for the second clamping face for clamping the fixed column, second clamping face
For the arcwall face of indent.
3. Multi-station precision slide block type hydraulic press according to claim 2, it is characterised in that in the circle of the fixed column
Annular groove is provided with side face, convex portion corresponding with the annular groove is provided with second clamping face.
4. Multi-station precision slide block type hydraulic press according to claim 1, it is characterised in that the bottom of the Punching slider
Portion is provided with the roller for extruding the clamping movable block, and the clamping movable block includes being used for the inclined-plane being extruded.
5. Multi-station precision slide block type hydraulic press according to claim 4, it is characterised in that the clamping movable block is also
Including a guide plane, the guide plane presss from both sides parallel to the glide direction of the Punching slider when the clamping device is in
After holding state, the Punching slider is in contact with the guide plane, the inclined-plane and the round and smooth connection of the guide plane.
6. Multi-station precision slide block type hydraulic press according to claim 1, it is characterised in that the pressure-bearing portion also includes
Framework, the receptacle frame residence are stated Cam splitter, the motor and the clamping device, set at the top of the framework
The holding tank corresponding with the station dial is equipped with, also includes opening for what the Punching slider interted in the framework
Mouthful.
7. Multi-station precision slide block type hydraulic press according to claim 1, it is characterised in that the station hole is uniform
It is distributed in around the center of rotation of the station dial, adjacent two station holes turn with the station dial
The line at dynamic center is in the set angle.
8. Multi-station precision slide block type hydraulic press according to claim 1, it is characterised in that the lower die head also includes
Multiple locating dowels, the locating dowel are used to strengthen the lower die head and the connection of the station dial, and the locating dowel is uniform
Be distributed in around the fixed column, the positioning hole corresponding with the locating dowel is also equipped with the station dial,
The axial length of the locating dowel is less than the depth of the positioning hole.
9. Multi-station precision slide block type hydraulic press according to claim 8, it is characterised in that the fixed column and correspondingly
The station hole be that gap coordinates, the locating dowel and the corresponding positioning hole are gap cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720226859.3U CN206689263U (en) | 2017-03-09 | 2017-03-09 | Multi-station precision slide block type hydraulic press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720226859.3U CN206689263U (en) | 2017-03-09 | 2017-03-09 | Multi-station precision slide block type hydraulic press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206689263U true CN206689263U (en) | 2017-12-01 |
Family
ID=60442518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720226859.3U Expired - Fee Related CN206689263U (en) | 2017-03-09 | 2017-03-09 | Multi-station precision slide block type hydraulic press |
Country Status (1)
| Country | Link |
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| CN (1) | CN206689263U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109366185A (en) * | 2018-11-22 | 2019-02-22 | 吕子元 | Automatic rotary hobbing and punching machine |
| CN110125226A (en) * | 2019-06-24 | 2019-08-16 | 广东虹瑞智能设备股份有限公司 | A multi-station punch |
| CN111451361A (en) * | 2020-03-12 | 2020-07-28 | 蒋军华 | Multi-station stamping equipment |
-
2017
- 2017-03-09 CN CN201720226859.3U patent/CN206689263U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109366185A (en) * | 2018-11-22 | 2019-02-22 | 吕子元 | Automatic rotary hobbing and punching machine |
| CN109366185B (en) * | 2018-11-22 | 2023-11-03 | 永康市大山机械有限公司 | Automatic rotary rolling cutting and punching machine |
| CN110125226A (en) * | 2019-06-24 | 2019-08-16 | 广东虹瑞智能设备股份有限公司 | A multi-station punch |
| CN110125226B (en) * | 2019-06-24 | 2020-06-19 | 广东虹瑞智能设备股份有限公司 | Multi-station punching machine |
| CN111451361A (en) * | 2020-03-12 | 2020-07-28 | 蒋军华 | Multi-station stamping equipment |
| CN111451361B (en) * | 2020-03-12 | 2020-12-11 | 王云 | Multi-station stamping equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171201 Termination date: 20200309 |