CN208556781U - A kind of adjustable intelligent digital display based plate inclined hole positional punch device - Google Patents
A kind of adjustable intelligent digital display based plate inclined hole positional punch device Download PDFInfo
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- CN208556781U CN208556781U CN201821225122.0U CN201821225122U CN208556781U CN 208556781 U CN208556781 U CN 208556781U CN 201821225122 U CN201821225122 U CN 201821225122U CN 208556781 U CN208556781 U CN 208556781U
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- plate
- adjustable
- fixation clip
- digital display
- display based
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Abstract
The utility model discloses a kind of adjustable intelligent digital display based plate inclined hole positional punch device, including pedestal, movable pressing board, fixation clip, adjustable plate, support device, pedestal is equipped with cavity, electric cylinder, rack gear, the first T-shaped sliding slot;It is provided with two blocks of stretching plates on movable pressing board, stretches out and is equipped with ratchet mechanism between plate, ratchet mechanism and rack gear are intermeshed;The both ends of adjustable plate are equipped with arc panel, and adjustable plate is mutually slidably connected with fixation clip;Support device includes the first support plate of arcuate structure, the second support plate equipped with through-hole, support rod.A kind of adjustable intelligent digital display based plate inclined hole positional punch device described in the utility model, its is structurally reasonable, have many advantages, such as that structure is simple, easy to use, intelligence degree is high, versatile, effectively solves the problems, such as that existing plate punching equipment precision is low, punching angular adjustment is inconvenient.
Description
Technical field
The utility model relates to sheet machining apparatus fields, more particularly, to a kind of adjustable intelligent digital display based plate inclined hole
Positional punch device.
Background technique
It is well known that during sheet fabrication, it is often necessary to punched on plate, reach plate and plate or
The purpose that person's other materials is stitched together.Tradition punching during, it usually needs according to the experience of staff come into
Row punching by hand, since the vibration generated when cannot accomplish accurately measurement and hand-held drilling tool is easy to cause error, so that
Traditional hole knockout punched hole affects working efficiency and product quality there are serious otherness, can not accomplish unification
Production.
In known technology, occur some plate punching ancillary equipments on the market, principle is using at a certain angle
Fixed steel pipe guidance drill bit punches on plate, has certain error eliminated and generated when tradition punching, but this auxiliary is set
Standby often fixed form is complicated and not firm, and easy loosening causes error, and steel pipe inner chamber is directly contacted with drill bit accelerates drill bit
Abrasion even causes broken drill, and steel pipe angle and the fixation of steel pipe inner chamber size can not be adjusted, and cause this kind of equipment interoperability
It is not strong.
Summary of the invention
Technical problem to be solved by the utility model is: it is above-mentioned in order to solve the problems, such as, it provides a kind of adjustable
Formula intelligent digital based plate inclined hole positional punch device, structurally reasonable, simple, the easy to use, intelligence degree with structure
The advantages that high, versatile, effectively solves the problems, such as that existing plate punching equipment precision is low, punching angular adjustment is inconvenient.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of adjustable intelligent digital display based plate is oblique
Hole positional punch device, including pedestal, movable pressing board, fixation clip, adjustable plate, support device, the pedestal are strip plates
One end of shape structure, pedestal is equipped with cavity;Electric cylinder is fixedly installed in the middle part of the pedestal;The other end of the pedestal is equipped with
Groove body, groove body is interior to be equipped with rack gear, and the rack gear two sides are symmetrically arranged with the first T-shaped sliding slot;It is provided in the cavity
Battery, controller.
It is symmetrically arranged with two blocks of stretching plates on the movable pressing board, stretches out and is equipped with ratchet mechanism between plate, stretches out board bottom
End is equipped with the first T-shaped sliding block being mutually slidably connected with the first T-shaped sliding slot;Pressure biography is also embedded on the movable pressing board
Sensor;The ratchet mechanism includes the ratchet being hinged with movable pressing board and the ratchet that shaft is mutually sequentially connected, ratchet
Lower end and rack gear be intermeshed, the upper end of ratchet and ratchet are connected with each other;The shaft rotates respectively with two blocks of stretching plates
Connection, and the both ends of shaft are fixedly installed the first knob respectively;The movable pressing board is equipped with display;
The fixation clip includes the first fixation clip for being respectively symmetrically fixed at electric cylinder two sides, the second fixation
Pressing plate;First fixation clip is equipped with the second T-shaped sliding slot;Through slot is provided on second fixation clip;
The both ends of the adjustable plate are equipped with arc panel, and arc panel is equipped with arc-shaped slot, and one end of adjustable plate is equipped with and the
The second T-shaped sliding block that two T-shaped sliding slots are mutually slidably connected, the other end of adjustable plate are mutually slidably connected with through slot;It is described
Adjustable plate bottom be equipped with the notch that connect with electric cylinder;
The support device includes the first support plate of arcuate structure, the second support plate equipped with through-hole, support rod;Institute
The support rod stated includes upper boom, lower beam, and upper boom, lower beam are mutually arranged, and the first support plate, the second support plate are to be fixedly installed on
On bar;Cross bar is arranged on the lower beam, cross bar both ends are each passed through arc-shaped slot, and are connected to cross bar by screw thread
Support device is fixed on arc panel by the third knob at both ends;It is mutually cut with scissors by ball bearing with adjustable plate the lower beam lower end
It connects.
Further, the cavity be equipped with cover board, battery be replaceable battery or with charge-discharge circuit can
Charging cell.
Further, the ratchet is equipped with the handle for lifting ratchet.
Further, the movable pressing board, rubber pad, the second fixed pressure are respectively arranged on fixation clip relative wall
Rubber pad on plate is equipped with the first scale for measuring aperture height.
Further, the second scale for measuring blowing angle is provided on the arc-shaped slot.
Further, the adjustable plate and through slot junction are equipped with pointer, the screw hole being used cooperatively with the first scale, spiral shell
It is connected with the second knob on hole, is abutted when the second knob screws with the second fixation clip, and adjustable plate is fixed on second and is fixed
On pressing plate.
Further, reset spring is arranged on the upper boom, the both ends of reset spring are mutual with upper boom, lower beam respectively
It abuts.
Further, angular transducer, angular transducer, pressure sensor, electric cylinder, storage are provided on the upper boom
Battery is electrically connected with each other with controller.
The beneficial effects of the utility model are: a kind of adjustable intelligent digital display based plate inclined hole positional punch device, including
Pedestal, movable pressing board, fixation clip, adjustable plate, support device, fixation clip are fixedly installed on pedestal, movable pressing board and bottom
Seat is slidably connected and is fixed by ratchet mechanism, and movable pressing board, fixation clip clamp plate to be processed jointly, set on movable pressing board
There is pressure sensor to detect the pressure being applied on plate and shown by display, avoids pressing from both sides bad plate;Adjustable plate and fixation
Pressing plate is mutually slidably connected, and punching height, support device and the adjustable connection of adjustable plate is adjusted, facilitates adjusting punching inclination angle
Degree, support device are equipped with angular transducer, by angle-data real-time display on display, facilitating adjusting;Its is structurally reasonable,
Have many advantages, such as that structure is simple, easy to use, intelligence degree is high, versatile, effectively solves existing plate punching equipment essence
Spend the problem of low punching angular adjustment inconvenience.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is a kind of overall structure of adjustable intelligent digital display based plate inclined hole positional punch device described in the utility model
Schematic diagram;
Fig. 2 is a kind of understructure of adjustable intelligent digital display based plate inclined hole positional punch device described in the utility model
Schematic diagram;
Fig. 3 is a kind of movable pressing board of adjustable intelligent digital display based plate inclined hole positional punch device described in the utility model
Structural schematic diagram;
Fig. 4 is a kind of activity pressure of adjustable intelligent digital display based plate inclined hole positional punch device described in the utility model
Plate, ratchet mechanism, pedestal the schematic diagram of the section structure;
Fig. 5 is a kind of the second fixation of adjustable intelligent digital display based plate inclined hole positional punch device described in the utility model
Pressure plate structure schematic diagram;
Fig. 6 is a kind of the first fixation of adjustable intelligent digital display based plate inclined hole positional punch device described in the utility model
Pressure plate structure schematic diagram;
Fig. 7 is that a kind of adjusting of adjustable intelligent digital display based plate inclined hole positional punch device described in the utility model is hardened
Structure schematic diagram;
Fig. 8 is a kind of support device of adjustable intelligent digital display based plate inclined hole positional punch device described in the utility model
Partial structure diagram;
Fig. 9 is a kind of the first support of adjustable intelligent digital display based plate inclined hole positional punch device described in the utility model
Plate structural schematic diagram;
Figure 10 is second of a kind of adjustable intelligent digital display based plate inclined hole positional punch device described in the utility model
Fagging structural schematic diagram.
Attached drawing acceptance of the bid note is described below: 1, pedestal, 11, cavity, 111, battery, 112, controller, 12, first is T-shaped
Sliding slot, 13, rack gear, 14, electric cylinder, 2, movable pressing board, 21, ratchet mechanism, 211, ratchet, 2111, handle, 212, ratchet, 22,
First T-shaped sliding block, 23, rubber pad, the 231, first scale, 24, display, 25, pressure sensor, 26, shaft, 27, first
Knob, 28, stretching plate, 3, fixation clip, the 31, first fixation clip, the 311, second T-shaped sliding slot, the 32, second fixation clip,
321, through slot, 4, adjustable plate, 41, arc panel, 411, arc-shaped slot, the 412, second scale, the 42, second T-shaped sliding block, 43, lack
Mouthful, 44, pointer, 45, screw hole, the 46, second knob, 5, support device, the 51, first support plate, the 52, second support plate, 521, logical
Hole, 53, support rod, 531, upper boom, 532, lower beam, 533, cross bar, 534, reset spring, 535, angular transducer, 536, third
Knob, 537, ball bearing.
Specific embodiment
The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram,
Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows composition related with the utility model.
A kind of adjustable intelligent digital display based plate inclined hole positional punch device as shown in Figure 1, including pedestal 1, activity pressure
Plate 2, fixation clip 3, adjustable plate 4, support device 5.
As shown in Fig. 2, the pedestal 1 is long strip-board shape structure, one end of pedestal 1 is equipped with cavity 11;The pedestal 1
Middle part is fixedly installed electric cylinder 14;The other end of the pedestal 1 is equipped with groove body, is equipped with rack gear 13, the rack gear in groove body
13 two sides are symmetrically arranged with the first T-shaped sliding slot 12;Battery 111, controller 112 are provided in the cavity 11.
As shown in Figure 3, Figure 4, it is symmetrically arranged with two blocks of stretching plates 28 on the movable pressing board 2, stretches out between plate 28 and sets
There is ratchet mechanism 21, stretches out 28 bottom end of plate and be equipped with the first T-shaped sliding block 22 being mutually slidably connected with the first T-shaped sliding slot 12;
The pressure for detecting the clamping force that movable pressing board 2 is applied on plate to be processed is also embedded on the movable pressing board 2 to pass
Sensor 25, thus the measurement end of pressure sensor 25 should be arranged towards plate one end to be processed;
The ratchet mechanism 21 includes that the ratchet 211 being hinged with movable pressing board 2 and shaft 26 are mutually sequentially connected
Ratchet 212, the lower end of ratchet 212 and rack gear 13 be intermeshed, and the upper end of ratchet 212 and ratchet 211 are connected with each other;Described
Shaft 26 is rotatablely connected respectively with two blocks of stretching plates 28, and the both ends of shaft 26 are fixedly installed the first knob 27 respectively, pass through
Rotating the first knob 27 drives ratchet mechanism 21 to rotate, and then movable pressing board 2 is pushed to move;
In one embodiment, the movable pressing board 2 is equipped with display 24, the data detected on pressure sensor
In 24 real-time display of display after controller is handled, not only facilitate clamping, while it is bad to avoid plate to be processed from being pressed from both sides;
As shown in Figure 1, the fixation clip 3 includes respectively symmetrically being fixed at the first of 14 two sides of electric cylinder to fix
Pressing plate 31, the second fixation clip 32;In a kind of possible embodiment, the first fixation clip 31, the second fixation clip 32 form C
Font integral structure is simultaneously fixedly installed on pedestal 1.
As shown in fig. 6, first fixation clip 31 is equipped with the second T-shaped sliding slot 311;
As shown in figure 5, being provided with through slot 321 on second fixation clip 32;
In a kind of possible embodiment, the shape of pedestal 1 is indefinite, and the bottom surface of pedestal 1 and setting movable pressing board 2 are fixed
The plane of pressing plate 3 is parallel to each other.
As shown in fig. 7, the both ends of the adjustable plate 4 are equipped with arc panel 41, arc panel 41 is equipped with arc-shaped slot 411, adjusts
One end of section plate 4 is equipped with the second T-shaped sliding block 42 for being mutually slidably connected with the second T-shaped sliding slot 311, adjustable plate 4 it is another
End is mutually slidably connected with through slot 321;4 bottom of adjustable plate is equipped with the notch 43 connecting with electric cylinder 14.
In a kind of possible embodiment, one in the first fixation clip 31, the second fixation clip 32 is equipped with the 2nd T word
Shape sliding slot 311, another is equipped with through slot 321, all to make the first fixation clip 31, the second fixation clip 32 and adjustable plate 4
It is unlikely to again in the square upward sliding for being parallel to the first fixation clip 31,32 central axis of the second fixation clip from the first fixed pressure
Plate 31,32 central axis of the second fixation clip vertical direction skid off.
In a kind of possible embodiment, the first fixation clip 31, the second fixation clip 32 are articulated on pedestal 1 and pass through
First fixation clip 31, the second fixation clip 32 are locked in the state relative to the certain tilt angle of pedestal 1, phase by locking mechanism
The movable pressing board 2 answered is articulated on the first T-shaped sliding block 22, and movable pressing board 2 is locked in relative to the by locking mechanism
The state of the one certain tilt angle of T-shaped sliding block 22, with this convenient plate punching processing tiltedly put.
As shown in Figure 1, the support device 5 includes the first support plate 51 of arcuate structure, second equipped with through-hole 521
Support plate 52, support rod 53;For first support plate 51 for setting up and supporting perforating device, the second support plate 52 is then being used for frame
And if being limited on the basis of support perforating device using front end of the through-hole 521 to perforating device.
As shown in Fig. 8, Fig. 9, Figure 10, the support rod 53 includes upper boom 531, lower beam 532, upper boom 531, lower beam 532
It is mutually arranged, the first support plate 51, the second support plate 52 are fixedly installed on upper boom 531;It is arranged on the lower beam 532
Cross bar 533, cross bar 533 should be able to slide on lower beam 532, and 533 both ends of cross bar are each passed through the company of sliding therewith of arc-shaped slot 411
It connects, 533 both ends of cross bar are threadedly coupled third knob 536 respectively, and third knob 536 is by screwing or loosening support device 5
Abut the state for being fixed on arc panel 41 or setting support device 5 to the adjustable angle relative to pedestal 1;Described
532 lower end of lower beam is hinged by ball bearing 537 or articulated shaft mode with adjustable plate 4.
In one embodiment, the cavity 11 is equipped with cover board, and battery 111 is replaceable battery or with filling
The chargeable battery on electric discharge road.
In one embodiment, the ratchet 211 is equipped with the handle 2111 for lifting ratchet 211, by lifting
Handle 2111 unclamps ratchet mechanism 21, enables movable pressing board 2 along the opposite direction with plate position to be processed
Movement is to unclamp plate to be processed.
In one embodiment, the movable pressing board 2, be respectively arranged with rubber pad 23 on 3 relative wall of fixation clip,
Rubber pad 23 on second fixation clip 32 is equipped with the first scale 231 for measuring aperture height, pressure sensor 25
Test side should be covered by rubber pad 23, in order to avoid weigh generation processing plate wounded.
In one embodiment, the second quarter for rough measure blowing angle is provided on the arc-shaped slot 411
Degree 412.
In one embodiment, the adjustable plate 4 is equipped with 321 junction of through slot and is used cooperatively with the first scale 231
Pointer 44, screw hole 45, be connected with the second knob 46 on screw hole 45, the second knob 46 is abutted with the second fixation clip 32, simultaneously
Second knob 46, which is connected through a screw thread, is fixed on adjustable plate 4 on second fixation clip 32.
In one embodiment, reset spring 534, the both ends difference of reset spring 534 are arranged on the upper boom 531
It is mutually abutted with upper boom 531, lower beam 532.In one embodiment, upper boom 531, a rod piece in lower beam 532 are atmospheric pressure pole
Or hydraulic stem, upper boom 531, lower beam 532 are mutually permanently connected.
In one embodiment, angular transducer 535, angular transducer 535, pressure are provided on the upper boom 531
Sensor 25, electric cylinder 14, display 24, battery 111 are electrically connected with each other with controller 112.
A kind of adjustable intelligent digital display based plate inclined hole positional punch device described in the utility model, including pedestal, work
Dynamic pressure plate, fixation clip, adjustable plate, support device, fixation clip are fixedly installed on pedestal, and movable pressing board and pedestal sliding connect
It connects and is fixed by ratchet mechanism, movable pressing board, fixation clip clamp plate to be processed jointly, and movable pressing board is passed equipped with pressure
Sensor detects the pressure being applied on plate and is shown by display, avoids pressing from both sides bad plate;Adjustable plate is mutual with fixation clip
It is slidably connected, punching height, support device and the adjustable connection of adjustable plate is adjusted, facilitates adjusting punching tilt angle, support
Device is equipped with angular transducer, by angle-data real-time display on display, facilitating adjusting;Its is structurally reasonable, has knot
The advantages that structure is simple, easy to use, intelligence degree is high, versatile, effectively solves that existing plate punching equipment precision is low, beats
Orifice angle adjusts inconvenient problem.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims
Property range.
Claims (8)
1. a kind of adjustable intelligent digital display based plate inclined hole positional punch device, it is characterised in that: including pedestal (1), activity pressure
Plate (2), fixation clip (3), adjustable plate (4), support device (5), the pedestal (1) are long strip-board shape structures, pedestal (1)
One end is equipped with cavity (11);Electric cylinder (14) are fixedly installed in the middle part of the pedestal (1);The other end of the pedestal (1) is set
There is groove body, is equipped with rack gear (13) in groove body, the rack gear (13) two sides are symmetrically arranged with the first T-shaped sliding slot (12);It is described
Cavity (11) in be provided with battery (111), controller (112);
It is symmetrically arranged with two pieces of stretching plates (28) on the movable pressing board (2), stretches out and is equipped with ratchet mechanism between plate (28)
(21), it stretches out plate (28) bottom end and is equipped with the first T-shaped sliding block (22) being mutually slidably connected with the first T-shaped sliding slot (12);Institute
It states and is also embedded with pressure sensor (25) on movable pressing board (2);The ratchet mechanism (21) includes mutual with movable pressing board (2)
The ratchet (212) that hinged ratchet (211) and shaft (26) are mutually sequentially connected, lower end and rack gear (13) phase of ratchet (212)
Mutually engagement, the upper end and ratchet (211) of ratchet (212) are connected with each other;The shaft (26) and two pieces of stretching plates (28) difference
Rotation connection, and the both ends of shaft (26) are fixedly installed the first knob (27) respectively;The movable pressing board (2) is equipped with aobvious
Show device (24);
The fixation clip (3) include respectively symmetrically be fixed at electric cylinder (14) two sides the first fixation clip (31),
Second fixation clip (32);First fixation clip (31) is equipped with the second T-shaped sliding slot (311);Described second is solid
Through slot (321) are provided on fixed pressuring plate (32);
The both ends of the adjustable plate (4) are equipped with arc panel (41), and arc panel (41) is equipped with arc-shaped slot (411), adjustable plate (4)
One end be equipped with the second T-shaped sliding block (42) for being mutually slidably connected with the second T-shaped sliding slot (311), adjustable plate (4) it is another
End is mutually slidably connected with through slot (321);Adjustable plate (4) bottom is equipped with the notch (43) connecting with electric cylinder (14);
The support device (5) includes the first support plate (51) of arcuate structure, the second support plate for being equipped with through-hole (521)
(52), support rod (53);The support rod (53) includes upper boom (531), lower beam (532), upper boom (531), lower beam (532) phase
It is mutually arranged, the first support plate (51), the second support plate (52) are fixedly installed on upper boom (531);On the lower beam (532)
It is arranged with cross bar (533), cross bar (533) both ends are each passed through arc-shaped slot (411), and are connected to cross bar by screw thread
(533) support device (5) is fixed on arc panel (41) by the third knob (536) at both ends;Lower beam (532) lower end is logical
Ball bearing (537) is crossed to be hinged with adjustable plate (4).
2. a kind of adjustable intelligent digital display based plate inclined hole positional punch device according to claim 1, it is characterised in that:
The cavity (11) is equipped with cover board, and battery (111) is replaceable battery or the chargeable battery with charge-discharge circuit.
3. a kind of adjustable intelligent digital display based plate inclined hole positional punch device according to claim 1, it is characterised in that:
The ratchet (211) is equipped with the handle (2111) for lifting ratchet (211).
4. a kind of adjustable intelligent digital display based plate inclined hole positional punch device according to claim 1, it is characterised in that:
It is respectively arranged with rubber pad (23) on the movable pressing board (2), fixation clip (3) relative wall, the second fixation clip (32)
On rubber pad (23) be equipped with the first scale (231) for measuring aperture height.
5. a kind of adjustable intelligent digital display based plate inclined hole positional punch device according to claim 1, it is characterised in that:
The second scale (412) for measuring blowing angle is provided on the arc-shaped slot (411).
6. a kind of adjustable intelligent digital display based plate inclined hole positional punch device according to claim 1, it is characterised in that:
The adjustable plate (4) and through slot (321) junction is equipped with pointer (44), the screw hole being used cooperatively with the first scale (231)
(45), it is connected with the second knob (46) on screw hole (45), is abutted when the second knob (46) screws with the second fixation clip (32), and
Adjustable plate (4) is fixed on the second fixation clip (32).
7. a kind of adjustable intelligent digital display based plate inclined hole positional punch device according to claim 1, it is characterised in that:
Be arranged with reset spring (534) on the upper boom (531), the both ends of reset spring (534) respectively with upper boom (531), lower beam
(532) it mutually abuts.
8. a kind of adjustable intelligent digital display based plate inclined hole positional punch device according to claim 1, it is characterised in that:
It is provided with angular transducer (535) on the upper boom (531), angular transducer (535), pressure sensor (25), electric cylinder
(14), display (24), battery (111) are electrically connected with each other with controller (112).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821225122.0U CN208556781U (en) | 2018-07-31 | 2018-07-31 | A kind of adjustable intelligent digital display based plate inclined hole positional punch device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821225122.0U CN208556781U (en) | 2018-07-31 | 2018-07-31 | A kind of adjustable intelligent digital display based plate inclined hole positional punch device |
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Publication Number | Publication Date |
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CN208556781U true CN208556781U (en) | 2019-03-01 |
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CN201821225122.0U Expired - Fee Related CN208556781U (en) | 2018-07-31 | 2018-07-31 | A kind of adjustable intelligent digital display based plate inclined hole positional punch device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108747500A (en) * | 2018-07-31 | 2018-11-06 | 苏文浩 | A kind of adjustable intelligent digital display based plate inclined hole positional punch device |
CN114654892A (en) * | 2022-03-16 | 2022-06-24 | 梅州广汽汽车弹簧有限公司 | Automatic code spraying equipment with positioning function for suspension spring |
-
2018
- 2018-07-31 CN CN201821225122.0U patent/CN208556781U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108747500A (en) * | 2018-07-31 | 2018-11-06 | 苏文浩 | A kind of adjustable intelligent digital display based plate inclined hole positional punch device |
CN108747500B (en) * | 2018-07-31 | 2019-11-08 | 苏文浩 | A kind of adjustable intelligent digital display based plate inclined hole positional punch device |
CN114654892A (en) * | 2022-03-16 | 2022-06-24 | 梅州广汽汽车弹簧有限公司 | Automatic code spraying equipment with positioning function for suspension spring |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190301 Termination date: 20190731 |
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