CN207577170U - A kind of rectifier bridge copper sheet bending mechanism - Google Patents
A kind of rectifier bridge copper sheet bending mechanism Download PDFInfo
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- CN207577170U CN207577170U CN201721814265.0U CN201721814265U CN207577170U CN 207577170 U CN207577170 U CN 207577170U CN 201721814265 U CN201721814265 U CN 201721814265U CN 207577170 U CN207577170 U CN 207577170U
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- Prior art keywords
- bending
- copper sheet
- rectifier bridge
- guide rail
- follower
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Abstract
The utility model discloses a kind of rectifier bridge copper sheet bending mechanisms, it solves the problems, such as that miniature parts each work step action separation, operation in bending process is cumbersome with controlling in the prior art, stroke " is promoted and returns " by one, cylinder main shaft with that can realize, multigroup copper sheet carries out the effect that 90 ° of bendings compress operation with leveling and wedging pin to rectifier bridge；Its technical solution is：Guide assembly, loading component and two groups of foldable components, foldable component include bending bent axle, the both ends setting follower and restorer of the bending bent axle；Loading component is set to the lower part of foldable component and connects cylinder main shaft.
Description
Technical field
The utility model is related to rectifier bridge manufacture field more particularly to a kind of rectifier bridge copper sheet bending mechanisms.
Background technology
Rectifier bridge is the device for alternating current being converted into direct current, available for supplying electric installation and detecting wireless electric signal etc..
Rectifier bridge can be made of vacuum tube, ignitron, solid-state silicon semiconductor diode, mercury arc etc..Need the wedge compressed on rectifier bridge
Tight pin, needs to be pressed further into workpiece corresponding recesses when compressing operation, is formed and is fitted close；In addition have on workpiece multiple
There are rectangular through-hole in threaded post, each threaded post both sides, need the pairs of copper sheet of bending in through-hole.And existing miniature parts exist
In bending process, often using the method assembled after the advance bending of general bender, because rectifier bridge copper sheet needs repeatedly bending in the same direction
And it forms loop and assembled condition can not be met.For the copper sheet bending demand of rectifier bridge, existing method generally uses multi cylinder
Cooperation is both needed to independent cylinder with final leveling action per side copper sheet bending and is completed to provide power, and there are each work steps to move
It detaches, operate with controlling the problems such as cumbersome.
Utility model content
For overcome the deficiencies in the prior art, the utility model provides a kind of rectifier bridge copper sheet bending mechanism, has
Can realize through one " propulsion-return " stroke of cylinder main shaft, to rectifier bridge multigroup copper sheet carry out 90 ° of bendings and leveling and
Wedging pin compresses the effect of operation.
The utility model uses following technical proposals：
A kind of rectifier bridge copper sheet bending mechanism, including guide assembly, loading component and two groups of foldable components, foldable component packet
Include bending bent axle, the both ends setting follower and restorer of the bending bent axle；Guide assembly coordinates with follower and restorer
Action is realized 90 ° of rotations of bending bent axle and is resetted；
Loading component is set to the lower part of foldable component and connects cylinder main shaft, and cylinder main shaft is driven equipped with rectifier bridge workpiece
Loading component it is vertically moving, 90 ° of multigroup copper sheet foldings on rectifier bridge workpiece are completed in one stroke of cylinder main shaft
Curved, leveling and the compression operation of wedging pin.
Further, two groups of foldable components are set to the top of bending bottom plate, respectively left foldable component and curved group of right folding
Part；The bending bottom plate is equipped with multiple guide sleeves, and the bottom symmetrical of bending bottom plate is provided with the guiding being adapted with loading component
Seat.
Further, the both ends of the bending bent axle connect the bearing block on bending bottom plate top by bearing, and follower is set
It puts between bending bent axle and bearing block, restorer is set to the lower part of follower.
Further, the restorer includes fixed plate and the spring latch being arranged in fixed plate.
Further, the guide assembly is set to the lower part of top plate, including actively making guide rail, the first auxiliary guide rail and
Two auxiliary guide rails；
It is actively set on the inside of the follower of two groups of foldable component one end as guide rail, the first auxiliary guide rail and the second auxiliary are led
Rail is respectively arranged on the outside of the follower of two groups of foldable component other ends；
The lower part of the top plate is additionally provided with and the matched straight guide post of guide sleeve, top plate lower part centre setting compact heap.
Further, the both sides for actively making guide rail are respectively equipped with protruding block, and protruding block is not in the same horizontal line；
The side setting protruding block of the auxiliary guide rail.
Further, the both ends of the top plate are individually fixed in rack, and the inside of the rack, which is equipped with, is used to support folding
The supporting rack of curved component.
Further, the loading component includes loading bottom plate and spindle chuck, and spindle chuck is set to loading bottom plate
Lower part is simultaneously connected with cylinder main shaft；The intermediate setting positioning groove of loading bottom plate, both ends set guiding groove respectively.
The operating process of rectifier bridge copper sheet bending mechanism includes cylinder main shaft and promotes stroke stage and backstroke stage；
Cylinder promotes the stroke stage to include the following steps：
(1) the side protruding block for actively making guide rail is contacted with the follower of left foldable component rear end, oppresses left folding bending axis
The spring latch of its bottom is pressed onto spacing place, while left folding bending axis rotates clockwise 90 °, by rectifier bridge upper left side copper sheet
Bending；
(2) cylinder continues to promote, and it is constant that the holding of left folding bending axis rotates clockwise 90 ° of positions, in the first auxiliary guide rail
Protruding block is contacted with the follower of left foldable component front end；Continue to promote with cylinder, actively make the opposite side protrusion of guide rail
Block is contacted with the follower of right foldable component rear end；Cylinder continue to be advanced into the first auxiliary guide rail protruding block it is corresponding with
Dynamic device is detached from, and spring latch bounces, and left folding bending axis is rotated by 90 ° completion and resets counterclockwise；
(3) cylinder continues to promote, and the opposite side protruding block for actively making guide rail is contacted with the follower of right foldable component rear end,
The spring latch of its bottom is pressed onto spacing place, while be rotated by 90 ° counterclockwise by compressing right folding bending axis, by right side on rectifier bridge
Copper sheet bending；
(4) as cylinder promotes stroke to continue, bending bent axle in right side keeps posture constant, makes the second auxiliary guide rail
Protruding block is contacted with the follower of right foldable component front end；As cylinder continues to promote, actively make the opposite side protruding block of guide rail
Corresponding follower is detached from；
(5) cylinder continues to promote, when the corresponding follower of the protruding block of the second auxiliary guide rail is detached from, resetting spring
Pin bounces, and right side bending bent axle rotates clockwise 90 ° and completes to reset；When cylinder main shaft runs to end of travel, setting is kept
The stress of time, flattens the copper sheet of bending by compact heap and the compression of wedging pin.
The cylinder backstroke stage includes the following steps：
Spring latch is pressed onto limit by the corresponding follower contact of (1) second auxiliary guide rail, compressing right folding bending axis
At position, and right folding bending axis is made to be rotated by 90 ° counterclockwise and ensures posture；Until the opposite side protruding block for actively making guide rail is right with it
The follower answered is contacted, is kept with being detached from successively；Spring latch pops up at this time, and right folding bending axis rotates clockwise 90 ° and answers
Position；
(2) as drawback movement continues, the corresponding follower contact of the first auxiliary guide rail, compressing left folding bending
Spring latch is pressed onto spacing place by axis, and left folding bending axis is made to rotate clockwise 90 ° and ensures posture；Until actively making guide rail
The corresponding follower of side protruding block contact, kept with being detached from successively；Spring latch pops up at this time, left folding bending axis
It is rotated by 90 ° and resets counterclockwise；
(3) drawback movement continues, until cylinder main shaft advances to behind setting position the unloading for carrying out bending workpieces.
Further, before cylinder promotes rectifier bridge workpiece to enter bending region, cylinder main shaft is connected first, by machine
Frame is fixed；After cylinder promotes stroke motion to setting position, it will treat that bending workpieces are sent to positioning groove.
Compared with prior art, the beneficial effects of the utility model are：
(1) the utility model can realize that one " pushes away by cylinder main shaft under the premise of practical set needs are met
Into-return " stroke, to rectifier bridge, multigroup copper sheet carries out all operationss that 90 ° of bendings are compressed with leveling and wedging pin, solves
Each work step action detaches miniature parts in bending process, operation is with controlling the problem of cumbersome in the prior art；
(2) the utility model is coordinated by actively making the corresponding follower of the protrusion block on guide rail and restorer, control
System left and right sides bending bent axle carries out 90 ° of bendings and homing action；Protrusion block in first auxiliary guide rail and the second auxiliary guide rail
Corresponding follower and restorer cooperation respectively, guiding left and right sides bending bent axle is in cylinder main shaft drawback movement respectively
Smoothly reset；
(3) the bending bent axle of the utility model is in mechanism operation, for avoiding wedging pin, ensures that movement will not be by dry
It relates to.
Description of the drawings
The accompanying drawings which form a part of this application are used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation do not form the improper restriction to the application for explaining the application.
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the rack components structure diagram of the utility model；
Fig. 3 is the foldable component structure diagram of the utility model；
Fig. 4 is the loading component structure diagram of the utility model；
Fig. 5 is the guide assembly structure diagram of the utility model；
Wherein, 1. rack components, 1-1. top plates, 1-2. compact heaps, 1-3. actively make guide rail, the first auxiliary guide rails of 1-4.,
The second auxiliary guide rails of 1-5., the straight guide posts of 1-6., 1-7. supporting racks, 1-8. pedestals；
2. foldable component, 2-1. bearing blocks, 2-2. bearings, 2-3. guide sleeves, 2-4. rear side followers, 2-5. bending bent axles,
Follower on front side of 2-6., 2-7. bending bottom plates, 2-8. guide holders；
3. loading component, 3-1. wedging pins, 3-2. rectifier bridge workpiece, 3-3. loading bottom plates, 3-4. cylinder main shafts.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.It is unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
As background technology is introduced, miniature parts each work step action point in bending process exists in the prior art
From, operation with controlling cumbersome deficiency, the technical issues of in order to solve as above, present applicant proposes a kind of rectifier bridge copper sheet bendings
Mechanism.
In a kind of typical embodiment of the application, as Figure 1-Figure 5, a kind of rectifier bridge copper sheet bender is provided
Structure, including rack components 1, guide assembly, foldable component 2 and loading component 3, rack components 1 plays positioning and supporting role, leads
Rail assembly realizes the bending operation of copper sheet with the cooperation of foldable component 2, and loading component 3 treats bending workpieces, i.e. rectifier bridge for carrying
Workpiece 3-2.
As shown in Fig. 2, the rack components 1 includes pedestal 1-8, top plate 1-1 and supporting rack 1-7, the both ends of top plate 1-1 are consolidated
Dingan County forms door type structure on pedestal 1-8 and with pedestal 1-8, and the both ends of pedestal 1-8 are formed through bending, and pedestal 1-8's is outer
Side upper position setting gusseted；The inside that support frame as described above 1-7 is installed on pedestal 1-8 in inverted L shape is used for by centre position
Support foldable component 2.
The top plate 1-1 is rectangular, and bottom sets compact heap 1-2 by centre position, and compact heap 1-2 can be in cylinder main shaft
The copper sheet of bending is flattened when advancing to propulsion stroke least significant end by 3-4 and wedging pin 3-1 is compressed.
Guide assembly is installed on the lower part of top plate 1-1, auxiliary including actively making guide rail 1-3, the first auxiliary guide rail 1-4 and second
The assistant director of a film or play's rail 1-5, the first auxiliary guide rail 1-4 and the second auxiliary guide rail 1-5 are set to the both sides of compact heap 1-2 and close to top plates
Front position is leaned in 1-1 lower parts, actively makees guide rail 1-3 and is set among the rear side of the first auxiliary guide rail 1-4 and the second auxiliary guide rail 1-5
Position.
As shown in figure 5, the left and right sides for actively making guide rail 1-3 sets protruding block respectively, left hand projection block is by dividing into
It puts, the top setting of right side protruding block；First auxiliary guide rail 1-4 is set to the left side of compact heap 1-2, and its right side upper position is set
Put protruding block；Second auxiliary guide rail 1-5 is set to the right side of compact heap 1-2, and its left side upper position setting protruding block；It is described
Protruding block is the rectangular preiection with arc transition.
Corner location in top plate 1-1 lower parts sets straight guide post 1-6, straight guide post 1-6 to play leading to foldable component 2 respectively
To effect.
As shown in figure 3, foldable component 2 is altogether comprising two groups, two groups of foldable components 2 are arranged on the top of bending bottom plate 2-7, two
Person has certain interval；Foldable component 2 includes bending bent axle 2-5；In the top corner location setting guide sleeve 2- of bending bottom plate 2-7
3, the guide sleeve 2-3 are matched with the straight guide post 1-6 of top plate 1-1 lower parts, and straight guide post 1-6 can move up and down in guide sleeve 2-3；
The lower part of the bending bottom plate 2-7 is symmetrically installed with guide holder 2-8, and the guide holder 2-8 is L-shaped, is used to support loading component
3；Gusseted is set between the outside of guide holder 2-8 and bending bottom plate 2-7.
Two groups of foldable components 2 are respectively left foldable component, right foldable component, and the bending bent axle 2-5 of two groups of foldable components 2 divides
Not Wei left folding bending axis, right folding bending axis, left folding bending axis is made of left bent axle and the left folded block being fixed on left bent axle, institute
It states and multiple U-shaped grooves for bending copper sheet is set on left folded block；The follower 2- on front side of the setting of one end of left folding bending axis
6, other end setting rear side follower 2-4；And the both ends of left folding bending axis connect bearing respectively, and pass through bearing block 2-1 and fix
In on bending bottom plate 2-7.
Right folding bending axis is made of right bent axle and the right folded block being fixed on right bent axle, is set on the right folded block more
A U-shaped groove for bending copper sheet；One end of right folding bending axis setting on front side of follower 2-6, the other end setting rear side with
Dynamic device 2-4；And the both ends of right folding bending axis connect bearing respectively, and pass through bearing block 2-1 and be fixed on bending bottom plate 2-7.This
In bent axle part mainly in mechanism operation, for avoiding wedging pin 3-1, with ensure movement will not be interfered.
The bottom of left foldable component and the follower at right foldable component both ends sets restorer respectively, as shown in figure 5, described
Restorer includes spring latch and fixed block, and the fixed block is in boss structure, and the top of fixed block sets two reset bullets
Spring pin can guarantee rotation and the operating angle resetted.
As shown in figure 5, the first auxiliary guide rail 1-4 is set to the left side of follower 2-6 on front side of left foldable component, the second auxiliary
Guide rail 1-5 is set to the right side of follower 2-6 on front side of right foldable component, actively makees guide rail 1-3 and is set to left foldable component and the right side
Between the rear side follower 2-4 of foldable component.
Actively make guide rail 1-3 and matched by carrying the protruding block of arc-shaped convex thereon with rear side follower 2-4 with restorer
It closes, the bending bent axle 2-5 of the left and right sides is controlled to carry out 90 ° of bendings and homing action；The auxiliary of first auxiliary guide rail 1-4 and second is led
Rail 1-5 is coordinated by protruding block thereon and front side follower 2-6 with restorer, respectively the bending bent axle 2- of the guiding left and right sides
5 smoothly reset in cylinder main shaft 3-4 drawback movements.
As shown in figure 4, the loading component 3 includes loading bottom plate 3-3 and spindle chuck, spindle chuck is installed on loading bottom
The lower part of plate 3-3, for connecting cylinder main shaft 3-4；What the both ends setting of the loading bottom plate 3-3 was adapted with guide holder 2-8
Groove is oriented to, the outside that guiding groove is stuck in guide holder 2-8 can simultaneously be slided along guide holder 2-8, for ensureing guiding during operation
Precision；The positioning groove of bending workpieces is treated in the upper middle position setting of the loading bottom plate 3-3 for placing.
There is the wedging pin 3-1 for treating compression on rectifier bridge workpiece 3-2, it is further to be compacted block 1-2 when compressing operation
It is pressed into workpiece corresponding recesses, is formed and be fitted close.In addition there are 3 threaded posts on workpiece, there are rectangle in each threaded post both sides
Through-hole needs the pairs of copper sheet of bending in through-hole.
The application can realize that multigroup copper sheet carries out 90 ° to rectifier bridge by one " propulsion-return " stroke of cylinder main shaft
The all operationss that bending is compressed with leveling and wedging pin；The course of work of rectifier bridge copper sheet bending mechanism is：
(1) when carrying out bending with compressing operation, installation first connects cylinder main shaft 3-4, fixes rack components 1；
(2) after cylinder promotes stroke motion to reach suitable position, it can be transported by manual or automatic feed device and treat bending
In workpiece to positioning groove；Guide assembly shown in fig. 5, foldable component 2 are failure to actuate at this time；
(3) cylinder promotes stroke to continue, and workpiece is gradually sent into bending region, and (rectifier bridge workpiece is led with loading component edge
It is to enter bending region to be moved at the top of guide holder to seat), and with the traveling of cylinder main shaft 3-4, actively make guide rail 1-3's
Follower 2-4 contacts, oppress left folding bending axis answering its underpart on rear side of the first corresponding left foldable component of left hand projection block
Position spring catch is pressed onto spacing place, and rotate clockwise 90 °, and the corresponding left side copper sheet of rectifier bridge carries out bending operation at this time；
(4) as cylinder promotes stroke to continue, it is constant that the holding of left folding bending axis rotates clockwise 90 ° of positions, so as to
The front side follower 2-6 upright states of left foldable component is made to be close to the protruding block of corresponding first auxiliary guide rail 1-4；Ensureing a left side
In the case that bending bent axle posture is constant, as cylinder main shaft 3-4 continues to promote, actively make the left hand projection block of guide rail 1-3 with
The rear side follower 2-4 of left folding bending axis is detached from；
(5) operation continues, when the protruding block of the front side follower 2-6 and the first auxiliary guide rail 1-4 of left folding bending axis
During disengaging, spring latch bounces, and left folding bending axis is made to be rotated by 90 ° counterclockwise；Left folding bending axis resets at this time, left folding thereon
Curved piece is restored upright state with being disengaged by the copper sheet of its bending；
(6) stroke is promoted to continue, actively makees the right side protruding block of guide rail 1-3 and the rear side follower of right foldable component
2-4 is contacted, and spring latch is pressed onto spacing place, and be rotated by 90 ° counterclockwise by compressing right folding bending axis, and rectifier bridge is corresponding at this time
Right side copper sheet carries out bending operation；
(7) as cylinder main shaft 3-4 promotes stroke to continue, right folding bending axis keeps posture constant, so as to make right folding
The front side follower 2-6 upright states of curved component are close to the protruding block of the second auxiliary guide rail 1-5；Ensureing right folding bending axis appearance
In the case that state is constant, as cylinder main shaft 3-4 continues to promote, after actively making the protruding block of guide rail 1-3 and right folding bending axis
Side follower 2-4 is detached from；
(8) operation continues, when right foldable component front side follower 2-6 and corresponding second auxiliary guide rail 1-5 it is convex
During bittiness disengaging, spring latch bounces, and right folding bending axis is made to rotate clockwise 90 °；Right folding bending axis resets at this time, thereon
Right folded block restores upright state with being disengaged by the copper sheet of its bending；
(9) when cylinder main shaft 3-4 runs to end of travel, the stress of certain time is kept, by compact heap 1-2 to
Bending copper sheet is flattened and wedging pin is compressed；
(10) next cylinder main shaft 3-4 starts drawback movement, first follower corresponding the second auxiliary guide rail 1-5
Spring latch is pressed onto spacing place, and right folding bending axis is made to be rotated by 90 ° counterclockwise and ensures appearance by contact, compressing right folding bending axis
State；Until the rear side follower 2-4 for actively making the right side protruding block of guide rail 1-3 and the right foldable component of upright state connects successively
It touches, keep and is detached from；Spring latch pops up at this time, and right folding bending axis rotates clockwise 90 ° and resets accordingly；
(11) as drawback movement continues, the front side follower 2-6 of the first auxiliary guide rail 1-4 and left foldable component connect
It touches, spring latch is pressed onto spacing place, and it is made to rotate clockwise 90 ° and ensures posture by compressing left folding bending axis；Until master
The left hand projection block of action guide rail 1-3 with the rear side follower 2-4 of the left foldable component of upright state is contacted, is kept with taking off successively
From；Spring latch pops up at this time, and left folding bending axis is rotated by 90 ° and resets counterclockwise accordingly；
(12) drawback movement continues, until cylinder main shaft 3-4, which is advanced to after suitable position, carries out bending workpieces
Unloading, each mechanism shown in fig. 5 does not reoperate in this operating process；
(13) (2)-(12) process is repeated, realizes the bending of multigroup copper sheet on rectifier bridge workpiece 3-2 and leveling and wedging
Sell the compression operation automation of 3-1.
The foregoing is merely the preferred embodiments of the application, are not limited to the application, for the skill of this field
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent replacement, improvement etc., should be included within the protection domain of the application.
Claims (8)
1. a kind of rectifier bridge copper sheet bending mechanism, which is characterized in that including guide assembly, loading component and two groups of foldable components,
Foldable component includes bending bent axle, the both ends setting follower and restorer of the bending bent axle；Loading component is set to bending
The lower part of component simultaneously connects cylinder main shaft.
2. a kind of rectifier bridge copper sheet bending mechanism according to claim 1, which is characterized in that two groups of foldable components are set to
The top of bending bottom plate, respectively left foldable component and right foldable component；The bending bottom plate is equipped with multiple guide sleeves, bending bottom
The bottom symmetrical of plate is provided with the guide holder being adapted with loading component.
A kind of 3. rectifier bridge copper sheet bending mechanism according to claim 2, which is characterized in that the both ends of the bending bent axle
The bearing block on bending bottom plate top is connected by bearing, follower is arranged between bending bent axle and bearing block, restorer setting
In the lower part of follower.
4. a kind of rectifier bridge copper sheet bending mechanism according to claim 1, which is characterized in that the restorer includes fixing
Plate and the spring latch being arranged in fixed plate.
5. a kind of rectifier bridge copper sheet bending mechanism according to claim 1, which is characterized in that the guide assembly is set to
The lower part of top plate, including actively making guide rail, the first auxiliary guide rail and the second auxiliary guide rail；
It is actively set on the inside of the follower of two groups of foldable component one end as guide rail, the first auxiliary guide rail and the second auxiliary guide rail point
It She Yu not be on the outside of the follower of two groups of foldable component other ends；
The lower part of the top plate is additionally provided with and the matched straight guide post of guide sleeve, top plate lower part centre setting compact heap.
6. a kind of rectifier bridge copper sheet bending mechanism according to claim 5, which is characterized in that described actively to make the two of guide rail
Side is respectively equipped with protruding block, and protruding block is not in the same horizontal line；The side setting protruding block of the auxiliary guide rail.
A kind of 7. rectifier bridge copper sheet bending mechanism according to claim 5, which is characterized in that the both ends difference of the top plate
It is fixed in rack, the inside of the rack is equipped with the supporting rack for being used to support foldable component.
8. a kind of rectifier bridge copper sheet bending mechanism according to claim 1, which is characterized in that the loading component includes carrying
Object bottom plate and spindle chuck, spindle chuck are set to the lower part of loading bottom plate and are connected with cylinder main shaft；The centre of loading bottom plate
Positioning groove is set, and both ends set guiding groove respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721814265.0U CN207577170U (en) | 2017-12-22 | 2017-12-22 | A kind of rectifier bridge copper sheet bending mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721814265.0U CN207577170U (en) | 2017-12-22 | 2017-12-22 | A kind of rectifier bridge copper sheet bending mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207577170U true CN207577170U (en) | 2018-07-06 |
Family
ID=62740006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721814265.0U Expired - Fee Related CN207577170U (en) | 2017-12-22 | 2017-12-22 | A kind of rectifier bridge copper sheet bending mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207577170U (en) |
-
2017
- 2017-12-22 CN CN201721814265.0U patent/CN207577170U/en not_active Expired - Fee Related
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| 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: 20180706 Termination date: 20191222 |