CN209021025U - A kind of nitrided metal composite plate hole punched device - Google Patents
A kind of nitrided metal composite plate hole punched device Download PDFInfo
- Publication number
- CN209021025U CN209021025U CN201820971785.0U CN201820971785U CN209021025U CN 209021025 U CN209021025 U CN 209021025U CN 201820971785 U CN201820971785 U CN 201820971785U CN 209021025 U CN209021025 U CN 209021025U
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- Prior art keywords
- fixedly connected
- sheave
- fixed
- outline border
- threaded rod
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- Expired - Fee Related
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- 239000002905 metal composite material Substances 0.000 title claims abstract description 13
- 238000004080 punching Methods 0.000 claims abstract description 23
- 239000002184 metal Substances 0.000 claims description 29
- 229920001971 elastomer Polymers 0.000 claims description 16
- 239000005060 rubber Substances 0.000 claims description 16
- 244000309464 bull Species 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 6
- 235000005121 Sorbus torminalis Nutrition 0.000 claims description 3
- 244000152100 Sorbus torminalis Species 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Landscapes
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The utility model discloses a kind of nitrided metal composite plate hole punched devices, including outline border, the first sliding block is equipped with below the outline border inner cavity top, the inner cavity of first sliding block is fixedly connected with the first nut, the outline border left side top is fixedly connected with first crossbar, the first crossbar top is fixedly connected with first motor, the motor shaft of the first motor is fixedly connected with the first sheave, second sheave above first sheave, first sheave and the second sheave are connected by the first belt, the first threaded rod is plugged on second sheave, first threaded rod one end extends on the outside of the second sheave, the first opening being mutually matched with the first threaded rod is offered on the outline border, the first threaded rod other end passes through the first opening and the first nut, and axis holds and is movably connected on outline border intracavity sidewall, described One sliding block bottom end is fixedly connected with punching head, and fixed device is equipped with below the punching head.
Description
Technical field
The utility model relates to composite plate technical field, specially a kind of nitrided metal composite plate hole punched device.
Background technique
It needs to be punched out metal plate in the production of metal plate, but the fixed frame of traditional metal plate punching apparatus
Processed metal plate is not fixed firmly, loosening can be generated in punch process；The operation of metal plate punching apparatus punched feature
Inconvenience, it is inconvenient to adjust, punching inefficiency, and punching quality is poor；Accordingly, it is desirable to provide a kind of fixed frame can will be added
The metal plate fixation of work, punched feature is easy to operate, the high metal plate hole punched device of punching quality.
Summary of the invention
The technical issues of the utility model solves is to overcome the inconvenient for operation of the prior art, adjusting inconvenience, punching
Inefficiency defect provides a kind of nitrided metal composite plate hole punched device.A kind of nitrided metal composite plate punching dress
It sets with the features such as fixation, punched feature is easy to operate, and punching quality is high.
To achieve the above object, the utility model provides the following technical solutions: a kind of nitrided metal composite plate punching dress
It sets, including outline border, the first sliding block is equipped with below the outline border inner cavity top, the inner cavity of first sliding block is fixedly connected with first
Nut, the outline border left side top are fixedly connected with first crossbar, and the first crossbar top is fixedly connected with first motor, institute
The motor shaft for stating first motor is fixedly connected with the first sheave, the second sheave above first sheave, first sheave and
Second sheave is connected by the first belt, and the first threaded rod, first threaded rod one are plugged on second sheave
End extends on the outside of the second sheave, and first be mutually matched with the first threaded rod is offered on the outline border and is open, and described first
The threaded rod other end passes through the first opening and the first nut, and axis holds and is movably connected on outline border intracavity sidewall, and described first
Sliding block bottom end is fixedly connected with punching head, and fixed device is equipped with below the punching head, and the fixed the bottom of the device is fixedly connected
There is fixed plate, the fixed plate inner cavity offers sliding slot, and the sliding slot inner cavity slidably connects the second sliding block, second sliding block
Inner cavity is fixedly connected with the second nut, is fixedly connected with T-bar at the fixed plate bottom end left side, the outline border side wall offers
The elongated slot being mutually matched with T-bar, described T-bar one end pass through on the outside of elongated slot, and extend on the outside of outline border, and be fixedly connected with
First vertical bar, side is equipped with rocking handle on first vertical bar, is fixedly connected with the first bull stick, first bull stick on the rocking handle
It is movably connected on the first vertical bar by bearing, third sheave is plugged on first vertical bar, is set above the third sheave
There is the 4th sheave, the third sheave and the 4th sheave are connected by the second belt, and is plugged on the 4th sheave
Three threaded rods, third threaded rod one end extend on the outside of the 4th sheave, the third threaded rod other end pass through elongated slot and
Second nut, and pass through on the outside of the second sliding block, and be movably connected on sliding slot intracavity sidewall by bearing, below the fixed plate
Equipped with third sliding block and Four-slider, the third sliding block and Four-slider inner cavity are fixedly connected with positive nut and reversed spiral shell
Mother, side wall is fixedly connected with the second motor on the left of outline border inner cavity described in first sheave, and the motor shaft of second motor is solid
Surely it is connected with the second threaded rod, second threaded rod sequentially passes through reversed nut and positive nut, and extends to third sliding block
Outside, and be movably connected on outside side wall by bearing, the third sliding block and Four-slider front end face hinge are hinged with and stretch
Contracting frame, the expansion bracket bottom end are fixedly connected on outline border intracavity bottom, and the expansion bracket top is fixedly connected in fixed plate.
Preferably, the fixed device includes two fixed links, and two fixed links are fixedly connected in fixed plate, and two
A fixed link is symmetrical set by center line of the center of fixed plate, and operating stick is equipped at left and right sides of the outline border, described
Operating stick side is fixedly connected with second crossbar, and second be mutually matched with second crossbar is offered in two fixed links and is opened
Mouthful, the second crossbar sequentially passes through elongated slot and the second opening far from operating stick side, and extends on the outside of fixed link, and fixed
It is connected with fixing clamp, two pairs of fixed blocks are fixedly connected in the second crossbar, two pairs of fixed blocks are with the center of fixed link
It is symmetrical set for center line, two pairs of fixed blocks are equipped with transverse slat, and the transverse slat is fixedly connected in fixed link, and the cross
Board bottom end is connected with idler wheel, and spring is equipped between the fixed block and transverse slat, is equipped with metal between two fixing clamps
Plate.
Preferably, the fixing clamp and metal plate side are fixedly connected with several rubber pads, and on the outside of the rubber pad
Edge is bonded to each other with metal plate, and the rubber pad cross section is arc, several described rubber pads are successively in line from top to bottom
Property arrangement, and multiple rubber pads collectively constitute as corrugated.
Preferably, the rocking handle and operating stick outer ledge are arranged with antiskid particles, and the antiskid particles bottom end opens up
There is anti-skid chequer.
Preferably, the outer ledge of the idler wheel is bonded to each other with second crossbar.
Compared with prior art, the utility model has the beneficial effects that
1. operating stick, fixed link, second crossbar, the second opening, fixing clamp, 125. fixed blocks, transverse slat, idler wheel can be passed through
It is used in conjunction with each other between spring, may make between metal plate and fixing clamp to be not in offset, the elastic force of spring is by second
Fixing clamp on cross bar is strong to metal plate stationarity.
2. first motor, the first sliding block, the first nut, first crossbar, the first sheave, the second sheave, the first skin can be passed through
Being used in conjunction with each other between band, the first threaded rod and the first opening, so that the position of punching head is moved, to different location
Metal plate be punched out, the working efficiency greatly improved.
3. rocking handle, the second sliding block, the second nut, T-bar, elongated slot, the first vertical bar, the first bull stick, third slot can be passed through
Being used in conjunction with each other between wheel, the 4th sheave and the second belt, can fix the composite plate of different length, with existing technology phase
Than solving the fixation of different length metal plate.
4. the second motor, third threaded rod, third sliding block, Four-slider, positive nut, reversed nut, second can be passed through
It is used in conjunction with each other between threaded rod and expansion bracket, the height of metal plate is adjusted, it is easy to operate compared with the existing.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram.
Fig. 2 is enlarged drawing at A in the utility model Fig. 1.
Figure label: 1. outline borders, 2. first sliding blocks, 3. first nuts, 4. first crossbars, 5. first motors, 6. first slots
Wheel, 7. second sheaves, 8. first belts, 9. first threaded rods, 10. first openings, 11. punching heads, 12. fixed devices, 120.
Fixed link, 121, operating stick, 122. second crossbars, 123. second openings, 124. fixing clamps, 125. fixed blocks, 126. transverse slats,
127. idler wheel, 128. springs, 129. metal plates, 13. fixed plates, 14. sliding slots, 15. second sliding blocks, 16. second nuts, 17.T shape
Bar, 18. elongated slots, 19. first vertical bars, 20. rocking handles, 21. first bull sticks, 22. third sheaves, 23. the 4th sheaves, 24. second skins
Band, 25. third threaded rods, 26. third sliding blocks, 27. Four-sliders, 28. positive nuts, 29. reversed nuts, 30. second motors,
31. the second threaded rod, 32. expansion brackets.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of nitrided metal composite plate hole punched device,
Including outline border 1, it is equipped with the first sliding block 2 below 1 inner cavity top of outline border, the inner cavity of the first sliding block 2 is fixedly connected with the first nut 3,
1 left side top of outline border is fixedly connected with first crossbar 4, and 4 top of first crossbar is fixedly connected with first motor 5, first motor 5
Motor shaft is fixedly connected with the first sheave 6, and 6 the second sheave 7 of top of the first sheave, the first sheave 6 and the second sheave 7 pass through first
Belt 8 is connected, and the first threaded rod 9 is plugged on the second sheave 7, and 9 one end of the first threaded rod extends to outside the second sheave 7
Side, the first opening 10 being mutually matched with the first threaded rod 9 is offered on outline border 1, and 9 other end of the first threaded rod passes through first and opens
Mouth 10 and the first nut 3, and axis holds and is movably connected on 1 intracavity sidewall of outline border, 2 bottom end of the first sliding block is fixedly connected with punching
First 11, fixed device 12 is equipped with below punching head 11, fixed device 12 includes two fixed links 120, and two fixed links 120 are fixed
It is connected in fixed plate 13, two fixed links 120 are symmetrical set by center line of the center of fixed plate 13, outline border 1 or so two
Side is equipped with operating stick 121, and 121 side of operating stick is fixedly connected with second crossbar 122, offers in two fixed links 120 and the
The second opening 123 that two cross bars 122 are mutually matched, second crossbar 122 sequentially pass through elongated slot 18 and the far from 121 side of operating stick
Two openings 123, and 120 outside of fixed link is extended to, and be fixedly connected with fixing clamp 124, it is fixedly connected in second crossbar 122
Two pairs of fixed blocks 125, two pairs of fixed blocks 125 are symmetrical set by center line of the center of fixed link 120, two pairs of fixed blocks 125
Equipped with transverse slat 126, transverse slat 126 is fixedly connected in fixed link 120, and 126 bottom end of transverse slat is connected with idler wheel 127, idler wheel
127 outer ledge is bonded to each other with second crossbar 122, and spring 128, two fixations are equipped between fixed block 125 and transverse slat 126
Metal plate 129 is equipped between folder 124, fixing clamp and 129 side of metal plate are fixedly connected with several rubber pads, and outside rubber pad
Side edge is bonded to each other with metal plate 129, and rubber pad cross section is arc, several rubber pads are successively linear from top to bottom to be arranged
Column, and multiple rubber pads collectively constitute as corrugated, fixed 12 bottom end of device is fixedly connected with fixed plate 13,13 inner cavity of fixed plate
Sliding slot 14 is offered, 14 inner cavity of sliding slot slidably connects the second sliding block 15, and 15 inner cavity of the second sliding block is fixedly connected with the second nut
16,13 bottom end of fixed plate is fixedly connected with T-bar 17 at left side, and 1 side wall of outline border offers the elongated slot being mutually matched with T-bar 17
18,17 one end of T-bar passes through 18 outside of elongated slot, and extends to 1 outside of outline border, and be fixedly connected with the first vertical bar 19, and first is perpendicular
Side is equipped with rocking handle 20 on bar 19, and rocking handle 20 and 121 outer ledge of operating stick are arranged with antiskid particles, and antiskid particles bottom end is opened
Equipped with anti-skid chequer, the first bull stick 21 is fixedly connected on rocking handle 20, the first bull stick 21 is movably connected in the first vertical bar by bearing
On 19, it is plugged with third sheave 22 on the first vertical bar 19, is equipped with the 4th sheave 23 above third sheave 22, third sheave 22 and the
Four sheaves 23 are connected by the second belt 24, and third threaded rod 25, third threaded rod 25 1 are plugged on the 4th sheave 23
End extends to 23 outside of the 4th sheave, and 25 other end of third threaded rod passes through elongated slot 18 and the second nut 16, and it is sliding to pass through second
The outside of block 15, and being movably connected on 14 intracavity sidewall of sliding slot by bearing, equipped with third sliding block 26 and the below fixed plate 13
Four-slider 27, third sliding block 26 and 27 inner cavity of Four-slider are fixedly connected with positive nut 28 and reversed nut 29, the first sheave 6
Side wall is fixedly connected with the second motor 30 on the left of 1 inner cavity of outline border, and the motor shaft of the second motor 30 is fixedly connected with the second threaded rod
31, the second threaded rod 31 sequentially passes through reversed nut 29 and positive nut 28, and extends to 26 outside of third sliding block, and pass through axis
It holds and is movably connected on outside side wall, third sliding block 26 and 27 front end face hinge of Four-slider are hinged with expansion bracket 32, expansion bracket
32 bottom ends are fixedly connected on 1 intracavity bottom of outline border, and 32 top of expansion bracket is fixedly connected in fixed plate 13.
Working principle: when the utility model is used, can be by the rotation of rocking handle 20, by one of fixing clamp 124
Position is moved, and the metal plate 129 of different length, rotation crank 20 can be fixed, and rocking handle 20 drives the first bull stick 21 in bearing
Interior rotation, the first bull stick 21 drive third sheave 22 to rotate, and third sheave 22 drives the rotation of the 4th sheave 23 by the second belt 24
Turn, the 4th sheave 23 drives third threaded rod 25 to rotate, and third threaded rod 25 drives the second nut 16 mobile, 16 band of the second nut
Dynamic second sliding block 15 is mobile, and the second sliding block 15 drives one of fixed link 120 to move, and fixed link 120 drives fixing clamp
124 positions are mobile, and when mobile suitable location, stop operating rocking handle 20, pull joystick 121, and operating stick 121 drives the second cross
Bar 122 is mobile, and second crossbar 122 drives fixed block 125 mobile, and deformation occurs by spring 128 for fixed block 125, second crossbar 122
The mobile idler wheel 127 made simultaneously rotates, and by between two fixing clamps 124 of placement of metal plate 129, the pulling force of spring 128 is by first
Cross bar 4 is moved, and first crossbar 4 is tighter to the fixation of metal plate 129 by two fixing clamps 124, its metal plate 129 is made to fix it
Stablize, then can be moved upward or downward metal plate 129 by the second motor 30, opens the second motor 30, the second electricity
The power output end of machine 30 drives the rotation of the second threaded rod 31, and the second threaded rod 31 carries out positive nut 28 and reversed nut 29
Opposite direction is mobile or reverse movement, positive nut 28 and reversed nut 29 are opposite mobile or anti-by third sliding block 26 and Four-slider 27
To movement, third sliding block 26 and Four-slider 27 move up or down expansion bracket 32, and expansion bracket 32 is by metal plate 129
Position is adjusted, and when the adjustment is completed, closes the second motor 30, can be moved the position of punching head 11 by first motor 5
It is dynamic, first motor 5 is opened, the power output end of first motor 5 drives the rotation of the first sheave 6, and the first sheave 6 passes through the first belt
8 drive the rotation of the second sheave 7, and the second sheave 7 drives the rotation of the first threaded rod 9, and the first threaded rod 9 carries out the first nut 3
Mobile, the first nut 3 drives the first sliding block 2 mobile, and the first sliding block 2 drives punching head 11 to be adjusted, and when the adjustment is completed, closes
First motor, punching head 11 are punched out head to metal plate 129, punching head 11 can be moved to next position by first motor 5
It is punched out.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of nitrided metal composite plate hole punched device, including outline border (1), it is characterised in that: outline border (1) inner cavity top
Lower section is equipped with the first sliding block (2), and the inner cavity of first sliding block (2) is fixedly connected with the first nut (3), and the outline border (1) is left
Lateral roof is fixedly connected with first crossbar (4), and first crossbar (4) top is fixedly connected with first motor (5), and described first
The motor shaft of motor (5) is fixedly connected with the first sheave (6), the second sheave (7) above first sheave (6), and described first
Sheave (6) and the second sheave (7) are connected by the first belt (8), are plugged with the first threaded rod on second sheave (7)
(9), described first threaded rod (9) one end extends on the outside of the second sheave (7), offers and the first screw thread on the outline border (1)
The first opening (10) that bar (9) is mutually matched, the first threaded rod (9) other end pass through the first opening (10) and the first nut
(3), and axis holds and is movably connected on outline border (1) intracavity sidewall, and the first sliding block (2) bottom end is fixedly connected with punching head
(11), fixed device (12) are equipped with below the punching head (11), fixed device (12) bottom end is fixedly connected with fixed plate
(13), fixed plate (13) inner cavity offers sliding slot (14), and sliding slot (14) inner cavity slidably connects the second sliding block (15),
Second sliding block (15) inner cavity is fixedly connected with the second nut (16), is fixedly connected at fixed plate (13) the bottom end left side
T-bar (17), outline border (1) side wall offer the elongated slot (18) being mutually matched with T-bar (17), the T-bar (17) one
End extends on the outside of outline border (1), and be fixedly connected with the first vertical bar (19), first vertical bar on the outside of elongated slot (18)
(19) side is equipped with rocking handle (20) on, is fixedly connected with the first bull stick (21) on the rocking handle (20), first bull stick (21)
It is movably connected on the first vertical bar (19) by bearing, is plugged with third sheave (22) on first vertical bar (19), described
The 4th sheave (23) is equipped with above three sheaves (22), the third sheave (22) and the 4th sheave (23) pass through the second belt (24)
It is connected, is plugged with third threaded rod (25) on the 4th sheave (23), described third threaded rod (25) one end extends to
On the outside of 4th sheave (23), third threaded rod (25) other end passes through elongated slot (18) and the second nut (16), and across the
It on the outside of two sliding blocks (15), and is movably connected on sliding slot (14) intracavity sidewall by bearing, is equipped with below the fixed plate (13)
Third sliding block (26) and Four-slider (27), the third sliding block (26) and Four-slider (27) inner cavity are fixedly connected with positive spiral shell
Female (28) and reversed nut (29), first sheave (6) outline border (1) inner cavity left side side wall are fixedly connected with the second motor
(30), the motor shaft of second motor (30) is fixedly connected with the second threaded rod (31), and second threaded rod (31) is successively
Across reversed nut (29) and positive nut (28), and extend on the outside of third sliding block (26), and be movably connected in by bearing
On outside side wall, the third sliding block (26) and Four-slider (27) front end face hinge are hinged with expansion bracket (32), described flexible
Frame (32) bottom end is fixedly connected on outline border (1) intracavity bottom, and expansion bracket (32) top is fixedly connected on fixed plate (13)
On.
2. a kind of nitrided metal composite plate hole punched device according to claim 1, it is characterised in that: the fixed device
It (12) include two fixed links (120), two fixed links (120) are fixedly connected on fixed plate (13), and two described solid
Fixed pole (120) is symmetrical set using the center of fixed plate (13) as center line, and operating stick is equipped at left and right sides of the outline border (1)
(121), operating stick (121) side is fixedly connected with second crossbar (122), is offered on two fixed links (120)
With second crossbar (122) be mutually matched second opening (123), the second crossbar (122) far from operating stick (121) side according to
It is secondary to pass through elongated slot (18) and the second opening (123), and extend on the outside of fixed link (120), and be fixedly connected with fixing clamp
(124), two pairs of fixed blocks (125) are fixedly connected on the second crossbar (122), two pairs of fixed blocks (125) are with fixation
The center of bar (120) is that center line is symmetrical set, and two pairs of fixed blocks (125) are equipped with transverse slat (126), the transverse slat
(126) it is fixedly connected on fixed link (120), and the transverse slat (126) bottom end is connected with idler wheel (127), the fixation
Spring (128) are equipped between block (125) and transverse slat (126), are equipped with metal plate (129) between two fixing clamps (124).
3. a kind of nitrided metal composite plate hole punched device according to claim 2, it is characterised in that: the fixing clamp and
Metal plate (129) side is fixedly connected with several rubber pads, and the rubber pad outer ledge and metal plate (129) are mutually pasted
It closes, the rubber pad cross section is arc, the successively linear arrangement, and multiple rubbers from top to bottom of several described rubber pads
Rubber mat collectively constitutes as corrugated.
4. a kind of nitrided metal composite plate hole punched device according to claim 1, it is characterised in that: the rocking handle (20)
Antiskid particles are arranged with operating stick (121) outer ledge, and the antiskid particles bottom end offers anti-skid chequer.
5. a kind of nitrided metal composite plate hole punched device according to claim 2, it is characterised in that: the idler wheel
(127) outer ledge is bonded to each other with second crossbar (122).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820971785.0U CN209021025U (en) | 2018-06-23 | 2018-06-23 | A kind of nitrided metal composite plate hole punched device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820971785.0U CN209021025U (en) | 2018-06-23 | 2018-06-23 | A kind of nitrided metal composite plate hole punched device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209021025U true CN209021025U (en) | 2019-06-25 |
Family
ID=66868482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820971785.0U Expired - Fee Related CN209021025U (en) | 2018-06-23 | 2018-06-23 | A kind of nitrided metal composite plate hole punched device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209021025U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108637077A (en) * | 2018-06-23 | 2018-10-12 | 福建新航凯材料科技有限公司 | A kind of nitrided metal composite plate hole punched device |
-
2018
- 2018-06-23 CN CN201820971785.0U patent/CN209021025U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108637077A (en) * | 2018-06-23 | 2018-10-12 | 福建新航凯材料科技有限公司 | A kind of nitrided metal composite plate hole punched device |
| CN108637077B (en) * | 2018-06-23 | 2024-02-23 | 福建新航凯材料科技有限公司 | Nitride metal composite board punching device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190625 |