CN103143944A - Quick clamping plate - Google Patents
Quick clamping plate Download PDFInfo
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- CN103143944A CN103143944A CN2012105159301A CN201210515930A CN103143944A CN 103143944 A CN103143944 A CN 103143944A CN 2012105159301 A CN2012105159301 A CN 2012105159301A CN 201210515930 A CN201210515930 A CN 201210515930A CN 103143944 A CN103143944 A CN 103143944A
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- locating piece
- clamping plate
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- bare terminal
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- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 238000005452 bending Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The invention relates to a clamp, in particular to a quick clamping plate which comprises a positioning block and a clamping plate, and the positioning block is arranged opposite to the clamping plate, so that a die or a tool can be clamped. The middle part of the clamping plate is articulated with the positioning block, the clamping plate is divided into a clamping end and a pushing end along the middle part, and a pushing mechanism which can push the pushing end to move away from the positioning block so that the clamping end and the positioning block match with each other to clamp the die or the tool is arranged between the pushing end and the positioning block. The quick clamping plate has the advantages of simple structure and convenience in operation.
Description
Technical field:
The present invention relates to a kind of fixture, relate in particular to a kind of locating piece, pressure strip of comprising, but this locating piece and pressure strip are oppositely arranged the quick clamping plate of clamping die or cutter.
Technical background:
Bender is to complete the sheet material bending by the relative motion of upper lower table, the upper dynamic of finishing the work by upper table is arranged and by the lower lower-moving type of completing as platform.Using bender to carry out Bending Processing to sheet material, is in the bottom of the upper table of bender, clamping bending grinding tool patrix, the top clamping bender grinding tool counterdie of the lower table of bender.A side by lower table on bender moves up and down, and makes bending machine die up and down model become interlocking pattern, between upper and lower mould, sheet material is carried out bender processing.This bender, in order to realize the replacing of patrix at the bending shape according to sheet material, at the upper table face of bender, clamping the intermediate plate fixture of bender of some.The intermediate plate fixture of this some makes the clamping replacing of upper die of bending machine become possibility.General bender intermediate plate fixture is the chuck body that is contained in the upper table face of bender, the gripper shoe that extends out from chuck body, by anterior pressure strip, Bending Mould mold mouth part is pressed on above-mentioned gripper shoe, can realize the Bending Mould patrix of this process, the shape of its mouth part must be coincide just passable with the shape of chuck body, gripper shoe and anterior pressure strip, in general situation, need to be ready in advance have the patrix of special jaws shape, and the fixture that needs the mouth part shape to coincide.When different according to processing request, when needing to change the bending upper die of other jaws shape, also to change jaws shape with it simultaneously and want the bender intermediate plate fixture that coincide.Such operation has reduced operating efficiency.
Chinese invention patent application specification CN102615601A discloses a kind of quick pine, tightly without the screw thread fixture, as shown in Figure 1, it comprises: left chuck 4, right chuck 6, square annular knurl sliding bar 14, clamp mechanism and clamping handgrip 7, all have square hole 13 on left chuck 4 and right chuck 6 correspondence positions, square annular knurl sliding bar 14 passes the square hole 13 of left chuck 4 and the square hole 13 of right chuck 6, pass the end of square annular knurl sliding bar 14 of right chuck 6 with to clamp handgrip 7 hinged, clamp mechanism is contained in left chuck 4, it withstands or unclamps square annular knurl sliding bar 14 in the square hole 13 that passes left chuck 4, this clamp mechanism comprises: degree of tightness handgrip 1, front rod 10, back link 3, movable clamping spare 9 and stage clip 11, one end of front rod 10 and back link 3 is all hinged with an end of degree of tightness handgrip 1, be fixed on left chuck 4 by pin 19 near on the degree of tightness handgrip 1 of above-mentioned hinged end, degree of tightness handgrip 1 other end rotates around pin 19, the other end of front rod 10 and back link 3 all is in the same place with the lower hinge of movable clamping spare 9, the bottom of movable clamping spare 9 is near the lower end of movable clamping spare 9, the upper end of movable clamping spare 9 is fixed on left chuck 4, the lower end of movable clamping spare 9 is withstood or is unclamped square annular knurl sliding bar 14 in the square hole 13 that passes left chuck 4, the left end of stage clip 11 is fixed on left chuck 4, right-hand member withstands on movable clamping spare 9, the technical scheme of this application for a patent for invention adopts the mode of degree of tightness handgrip 1 and 7 rotations of clamping handgrip to fix square annular knurl sliding bar 14, thereby can Quick-clamped and unclamp workpiece, can loosen, tighten fast without the screw thread clamp and unclamp workpiece, but need mobile whole left chuck 4 to clamp and unclamp workpiece, operation inconvenience.
Summary of the invention:
Technical problem to be solved by this invention is to provide a kind of new simple in structure, easy to operate quick clamping plate.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of quick clamping plate, comprise locating piece, pressure strip, but this locating piece and pressure strip are oppositely arranged clamping die or cutter, the middle part of described pressure strip is hinged on described locating piece, this pressure strip is divided into bare terminal end and promote-side along the middle part, be provided with between this promote-side and this locating piece can promote the promote-side and make bare terminal end coordinate the pushing mechanism of clamping die or cutter with locating piece away from locating piece.
As a kind of improvement of technique scheme, wherein, described pushing mechanism comprises the push rod that is connected to slidably on locating piece, and this push rod can promote described promote-side along moving away from the locating piece direction.
As further improvement in the technical proposal, wherein, described locating piece piece is provided with protuberance, and described push rod end is provided with by shallow and dark groove, and rotating push-rod makes the protuberance can be along this concave slot sports.
Improve as the another kind of technique scheme, wherein, described locating piece piece is provided with by shallow and dark groove, and described push rod end is provided with protuberance, and rotating push-rod makes the protuberance can be along this concave slot sports.
As further improvement in the technical proposal, wherein, described protuberance is the spin of rotatable inlay card on described locating piece piece.
As further improvement in the technical proposal, wherein, described push rod is to extending beyond described bare terminal end away from the locating piece direction and being fixed with for the spanner that rotates this push rod.
As further improvement in the technical proposal, wherein, it also comprises reset bolt and back-moving spring, and this bolt that resets passes described bare terminal end and is screwed on locating piece, and this back-moving spring is set in that bare terminal end is supported respectively at its two ends on this bolt that resets and the nut section of the bolt that resets.
As further improvement in the technical proposal, wherein, the middle part of described pressure strip is hinged on described locating piece and refers to: the middle part that bolt passes pressure strip is screwed on locating piece, and this pressure strip this bolt relatively swings.
As further improvement in the technical proposal, wherein, be arranged with spring on described bolt, this both ends of the spring is supported respectively middle part and the described locating piece that is screwed to of described pressure strip.
As further improvement in the technical proposal, wherein, a side relative with described locating piece on described bare terminal end is provided with positioning strip, bolt passes bare terminal end from bare terminal end and the opposing side of locating piece slidably and is screwed on positioning strip and is arranged with spring, and this both ends of the spring is supported respectively bare terminal end and positioning strip.
The present invention compared with prior art, because the middle part of pressure strip is hinged on described locating piece, this pressure strip is divided into bare terminal end and promote-side along the middle part, be provided with between this promote-side and this locating piece and can promote the promote-side and make bare terminal end coordinate the pushing mechanism of clamping die or cutter with locating piece away from locating piece, pressure strip is clamped or discharge cutter, mould or workpiece by operating this pushing mechanism, simple in structure, easy to operate.
Description of drawings:
Fig. 1 is the structural representation of existing a kind of quick clamping plate.
Fig. 2 is the fractionation structural representation of a kind of quick clamping plate of the present invention.
Fig. 3 is the plan structure schematic diagram of a kind of quick clamping plate of the present invention.
Fig. 4 be the A-A of Fig. 3 to the sectional structure schematic diagram, wherein cutter does not clamp.
Fig. 5 be the A-A of Fig. 3 to the sectional structure schematic diagram, wherein cutter clamps.
Fig. 6 is the main TV structure schematic diagram of the push rod of a kind of quick clamping plate of the present invention.
Fig. 7 is the right TV structure schematic diagram of the push rod of a kind of quick clamping plate of the present invention.
Wherein: 1. locating piece, 2. fixed head, 3. pressure strip, 4. cutter, 5. location wedge, 6. fairlead, 7. push rod, 8. positioning strip, 9. spanner, 10. bearing, 11. ball, 12. convex pads, 13. matrix pads, 14. bearings, 15. bolts, 16. spring, 17. jackscrews, 18. springs, 19. back-moving springs, 20. bolts that reset, 21. bolt, 22. pads, 23. bolts, 24. elasticity are sold directly to households, 25. bolt, the locating slot of 30. front side pressure strips, the bare terminal end of 31. pressure strips, the promote-side of 32. pressure strips.
The specific embodiment:
Below in conjunction with accompanying drawing, further set forth the specific embodiment of the invention.
As shown in Figure 2, a kind of quick clamping plate of the present invention comprise locating piece 1, fixed head 2, pressure strip 3, location wedge 5.
See also the main body that Fig. 2 to Fig. 5 locating piece 1 is quick clamping plate, fixed head 2 is sold 24 directly to households by elasticity and is positioned at locating piece 1 top, rear fastening by bolt 25 cover Upper gaskets 22, and fixed head 2 is used for quick clamping plate of the present invention are installed to lathe.Be carved with scale and inclination biassed fabric for positioning mark on the wedge 5 of location, locating piece 1 is close on its inclined-plane, again by bolt 23, the fastening fixed head 2 that is installed to of pad 22, offer waist-shaped hole on fixed head 2, bolt 23 passes this waist-shaped hole and is screwed to location wedge 5, tighting a bolt 23, will to locate wedge 5 fixing, when needs are regulated this wedge 5 position, location, can unclamp this bolt 23, moving bolt 23 along this waist-shaped hole makes location wedge 5 move along locating piece 1, after moving to correct position, then fastening bolt 23 is realized reorientating of location wedge 5.
But locating piece 1 is oppositely arranged holding cutter 4, mould or workpiece with the pressure strip 3 that is positioned at locating piece 1 front side, and this pressure strip 3 is divided into bare terminal end 31 and promote-side 32 along the middle part, and bare terminal end 31 forms the clamping matching relationship with the bottom of locating piece 1.a side relative with locating piece 1 on bare terminal end 31 offers the locating slot 30 that can hold positioning strip 8, this locating slot 30 extends along the clamping face width of bare terminal end 31, offer the counterbore for retainer spring 16 on the groove bottom of locating slot 30, bolt 15 passes bare terminal end 31 from the opposing side of bare terminal end 31 and locating piece 1 slidably and is screwed on positioning strip (8), spring 16 is set on bolt 15, bare terminal end 31 and positioning strip 8 are supported respectively in two ends, the degree of depth that adjusting bolt 15 is screwed into positioning strip 8 makes the part of positioning strip 8 groove 30 inlay cards that are positioned, another part stretches out locating slot 30 and is used for aligned cutting tool, mould or workpiece, work as like this cutter, can guarantee when mould or workpiece are stressed that positioning strip 8 can bear larger impulsive force, and work as cutter, when the clamping part of mould or workpiece has certain scale error, positioning strip 8 can be made under spring 16 effects and being stretched out accordingly or retraction locating slot 30, thereby guarantee cutter, the adaptability of mould or workpiece error.Damage and 15 slips of assurance bolt to pressure strip 3 when sliding in order to reduce bolt 15 are smooth and easy, and fairlead 6 can be set on pressure strip 3, are used for guiding bolt 15 and slide, and this fairlead 6 in use can make the position of positioning strip 8 more stable.
The middle part of pressure strip 3 is hinged on described locating piece 1, particularly, after bolt 21 wears convex pad 12, matrix pad 13, the through hole that passes again the middle part of pressure strip 3 is screwed on locating piece 1, the radial dimension of this through hole is more bigger than bolt 21, make pressure strip 3 these bolt 21 swings relatively, thereby make the bare terminal end 31 of pressure strip 3 coordinate clamping with locating piece 1 or decontrol cutter, mould or workpiece.Be arranged with spring 18 on bolt 21, this bullet 18 two ends are supported respectively the middle part of pressure strip 3 and are screwed to locating piece 1, make like this pressure strip 3 can be relatively this bolt 21 have certain elasticity when swinging, swing softer, and when the clamping part change in size of cutter, mould or workpiece is larger, can regulate the distance of locating piece 1 and pressure strip 3 by the degree of depth that adjusting bolt 21 is screwed into locating piece 1, improve the quick clamping plate tool setting of the present invention tool, mould or the workpiece scope of application.
as shown in Fig. 6,7, push rod 7 is divided into positioning section 71, promotes section 72, extension 73, positioning section 71 slidably and be connected to rotationally the middle and upper part of locating piece 1 by bearing 10, promote section 72 radially than greater than positioning section 71 and extension 73, end face near positioning section 71 is provided with by shallow and dark groove 70, the inclined degree of groove 70 is determined according to the push rod 7 axially movable distances of needs, that is pressure strip 3 needs the amplitude that swings and decides, and pressure strip 3 amplitudes of fluctuation are according to being clamped to the relieving cutter, distance between two extreme positions of mould or workpiece is determined, correspondingly, 1 of locating piece is provided with protuberance 11, the spin that in the present embodiment, protuberance 11 is rotatable inlay card on 1 of locating piece, rotating push-rod 7 can move along this groove 70 protuberance 11, thereby promote push rod 7 axially-movables, and then promote promote-side 32 and make bare terminal end 31 coordinate clamping die or cutter or workpiece with locating piece 1 away from locating piece 1.Certainly, groove 70 can exchange with the position of protuberance 11, be that groove 70 is arranged on locating piece 1, protuberance 11 is arranged on and promotes on section 72, same realization makes the axially movable function of push rod 7, the promote-side 32 that also can adopt the pushing mechanisms such as spring, eccentric wheel, eccentric shaft, linkage to promote pressure strip 3.
Extension 73 is extended to the promote-side 32 of pressure strip 3 and is run through this promote-side 32, on extension 73, cover has thrust bearing 14, conflict respectively and promote end face and the promote-side 32 of section 72 in the two ends of this thrust bearing 14, the part that promote-side 32 is stretched out in extension 73 is fixed with spanner 9 by jackscrew 17; The adjacency that is positioned at spanner 9 of promote-side 32 is provided with back-moving spring 19 and the bolt 20 that resets, pass promote-side 32 after the sheathed back-moving spring 19 of this bolt that resets and be screwed on locating piece 1, the nut section of promote-side 32 and the bolt 20 that resets is supported respectively at the two ends of back-moving spring 19.Rotating this spanner 9 can make push rod 7 rotate, axially move under protuberance 11 effects, when protuberance 11 along groove 70 during by dark and shallow slip, push rod is to moving away from locating piece 1 direction, thrust bearing 14 on extension 73 promotes promote-side 32 away from locating piece 1, back-moving spring 19 contraction distortion that is stressed, bare terminal end 31 coordinates clamping die, cutter or workpiece with locating piece 1; Along groove 70 during by shallow and dark the slip, the screen resilience of back-moving spring 19 makes promote-side 31 promote push rods 7 to moving near locating piece 1 direction when protuberance 11, bare terminal end 31 away from and discharge mould, cutter or the workpiece that is held.
Claims (10)
1. quick clamping plate, comprise locating piece (1), pressure strip (3), this locating piece (1) and pressure strip (3) but be oppositely arranged clamping die or cutter, it is characterized in that: the middle part of described pressure strip (3) is hinged on described locating piece (1), this pressure strip (3) is divided into bare terminal end (31) and promote-side (32) along the middle part, be provided with between this promote-side (32) and this locating piece (1) can promote promote-side (32) and make bare terminal end (31) coordinate the pushing mechanism of clamping die or cutter with locating piece (1) away from locating piece (1).
2. a kind of quick clamping plate according to claim 1, it is characterized in that: described pushing mechanism comprises the push rod (7) that is connected to slidably on locating piece (1), and this push rod (7) can promote described promote-side (32) along moving away from locating piece (1) direction.
3. a kind of quick clamping plate according to claim 2, it is characterized in that: described locating piece (1) piece is provided with protuberance (11), described push rod (7) end is provided with by shallow and dark groove, and rotating push-rod (7) makes the protuberance (11) can be along this concave slot sports.
4. a kind of quick clamping plate according to claim 2, it is characterized in that: described locating piece (1) piece is provided with by shallow and dark groove, and described push rod (7) end is provided with protuberance, and rotating push-rod (7) makes the protuberance can be along this concave slot sports.
5. according to claim 3 or 4 described a kind of quick clamping plate is characterized in that: described protuberance (11) is the spin of rotatable inlay card on described locating piece (1) piece.
6. according to claim 3 or 4 described a kind of quick clamping plate is characterized in that: described push rod (7) is to extending beyond described bare terminal end (31) away from locating piece (1) direction and being fixed with for the spanner (9) that rotates this push rod.
7. according to claim 3 or 4 described a kind of quick clamping plate, it is characterized in that: it also comprises the bolt that resets (20) and back-moving spring (19), this bolt that resets (20) passes described bare terminal end (31) and is screwed on locating piece (1), and this back-moving spring (19) is set in this bolt that resets (20) and goes up the nut section that bare terminal end (31) and the bolt that resets (20) are supported respectively in its two ends.
8. described a kind of quick clamping plate of any one according to claim 1 to 4, it is characterized in that: the middle part of described pressure strip (3) is hinged on described locating piece (1) and refers to: the middle part that bolt (21) passes pressure strip (3) is screwed on locating piece (1), and this pressure strip (3) this bolt (21) relatively swings.
9. a kind of quick clamping plate according to claim 8 is characterized in that: be arranged with spring (18) on described bolt (21), middle part and the described locating piece (1) that is screwed to of described pressure strip (3) supported respectively at this spring (18) two ends.
10. described a kind of quick clamping plate of any one according to claim 1 to 4, it is characterized in that: the upper side relative with described locating piece (1) of described bare terminal end (31) is provided with positioning strip (8), bolt (15) passes bare terminal end (31) from the opposing side of bare terminal end (31) and locating piece (1) slidably and is screwed to positioning strip (8) and goes up and be arranged with spring (16), and bare terminal end (31) and positioning strip (8) are supported respectively in this spring (16) two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210515930.1A CN103143944B (en) | 2012-12-05 | 2012-12-05 | A kind of clamping plate fast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210515930.1A CN103143944B (en) | 2012-12-05 | 2012-12-05 | A kind of clamping plate fast |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103143944A true CN103143944A (en) | 2013-06-12 |
| CN103143944B CN103143944B (en) | 2016-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210515930.1A Active CN103143944B (en) | 2012-12-05 | 2012-12-05 | A kind of clamping plate fast |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103143944B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105921624A (en) * | 2016-06-18 | 2016-09-07 | 安徽联盟模具工业股份有限公司 | Compensated upper mould mechanical fast clamping device of bending machine |
| CN108546945A (en) * | 2018-04-16 | 2018-09-18 | 温州大学激光与光电智能制造研究院 | Processing unit (plant) for hard alloy cutter |
| TWI650191B (en) * | 2016-04-19 | 2019-02-11 | 天田控股股份有限公司 | Mold holder device |
| CN113385976A (en) * | 2021-08-17 | 2021-09-14 | 苏州兆能精密弹簧五金有限公司 | Feeding clamping device and clamping method of windscreen wiper connecting rod |
| CN114961247A (en) * | 2022-06-16 | 2022-08-30 | 江西玖亚新建筑工程有限公司 | Splicing device of connecting device and building template |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0387121A1 (en) * | 1989-03-02 | 1990-09-12 | Amada S.A. | Clamping device for a long piece such as a punch, a die or such a tool on a table of a press bending machine |
| CN2312084Y (en) * | 1994-05-17 | 1999-03-31 | 阿玛达美都丽股份有限公司 | Arrangement for mounting up tool of press bending machine |
| CN101417303A (en) * | 2008-12-01 | 2009-04-29 | 米路加（深圳）科技发展有限公司 | Die clamp |
| CN203236230U (en) * | 2012-12-05 | 2013-10-16 | 河北汉智数控机械有限公司 | Rapid clamp plate |
-
2012
- 2012-12-05 CN CN201210515930.1A patent/CN103143944B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0387121A1 (en) * | 1989-03-02 | 1990-09-12 | Amada S.A. | Clamping device for a long piece such as a punch, a die or such a tool on a table of a press bending machine |
| CN2312084Y (en) * | 1994-05-17 | 1999-03-31 | 阿玛达美都丽股份有限公司 | Arrangement for mounting up tool of press bending machine |
| CN101417303A (en) * | 2008-12-01 | 2009-04-29 | 米路加（深圳）科技发展有限公司 | Die clamp |
| CN203236230U (en) * | 2012-12-05 | 2013-10-16 | 河北汉智数控机械有限公司 | Rapid clamp plate |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI650191B (en) * | 2016-04-19 | 2019-02-11 | 天田控股股份有限公司 | Mold holder device |
| US11020783B2 (en) | 2016-04-19 | 2021-06-01 | Amada Holdings Co., Ltd. | Mold holder device and pipe member |
| CN105921624A (en) * | 2016-06-18 | 2016-09-07 | 安徽联盟模具工业股份有限公司 | Compensated upper mould mechanical fast clamping device of bending machine |
| CN108546945A (en) * | 2018-04-16 | 2018-09-18 | 温州大学激光与光电智能制造研究院 | Processing unit (plant) for hard alloy cutter |
| CN113385976A (en) * | 2021-08-17 | 2021-09-14 | 苏州兆能精密弹簧五金有限公司 | Feeding clamping device and clamping method of windscreen wiper connecting rod |
| CN113385976B (en) * | 2021-08-17 | 2021-11-09 | 苏州兆能精密弹簧五金有限公司 | Feeding clamping device and clamping method of windscreen wiper connecting rod |
| CN114961247A (en) * | 2022-06-16 | 2022-08-30 | 江西玖亚新建筑工程有限公司 | Splicing device of connecting device and building template |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103143944B (en) | 2016-04-06 |
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Denomination of invention: a quick splint Effective date of registration: 20220824 Granted publication date: 20160406 Pledgee: Bank of China Limited by Share Ltd. Cangzhou branch Pledgor: HEBEI HANZHISHUKONG MACHINERY Co.,Ltd. Registration number: Y2022110000186 |
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Date of cancellation: 20230818 Granted publication date: 20160406 Pledgee: Bank of China Limited by Share Ltd. Cangzhou branch Pledgor: HEBEI HANZHISHUKONG MACHINERY Co.,Ltd. Registration number: Y2022110000186 |
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Denomination of invention: A fast clamping plate Effective date of registration: 20230822 Granted publication date: 20160406 Pledgee: Bank of China Limited by Share Ltd. Cangzhou branch Pledgor: HEBEI HANZHISHUKONG MACHINERY Co.,Ltd. Registration number: Y2023110000351 |
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Granted publication date: 20160406 Pledgee: Bank of China Limited by Share Ltd. Cangzhou branch Pledgor: HEBEI HANZHISHUKONG MACHINERY Co.,Ltd. Registration number: Y2023110000351 |
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