CN204748106U - Multi -functional precision flatnosed pliers - Google Patents
Multi -functional precision flatnosed pliers Download PDFInfo
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- CN204748106U CN204748106U CN201520445322.7U CN201520445322U CN204748106U CN 204748106 U CN204748106 U CN 204748106U CN 201520445322 U CN201520445322 U CN 201520445322U CN 204748106 U CN204748106 U CN 204748106U
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Abstract
The utility model discloses a multi -functional precision flatnosed pliers. This multi -functional precision flatnosed pliers has set up a locking device, the 2nd locking device, the 3rd locking device through set up first slider, second slider, third slider in the spout on the base, will be first keep silent and connect on first slider through the first fixed structure, keep silent the second and connect on the second slider through the second fixed structure, when using, alright with the locating surface of random adjustment flat -nose pliers, need not again adjusting base's position, bring very big facility for workman's operation. The fixed structure that becomes by ejector pin, drop -down block group when pressing from both sides tight work piece, thereby because the effect meeting of ejector pin and drop -down piece overcoming on the drop -down piece of spring force relief moves down that will firstly keep silent keeps silent with the second and press the last plane of base, reduces the work piece to upwarp, can guarantee that the work piece centre gripping is firm, the machining precision of assurance work piece. Be fit for the field popularization and application at construction installation equipment.
Description
Technical field
The utility model relates to tooling device field, is specifically related to a kind of multifunctional accurate flat-nose pliers.
Background technology
Multifunctional accurate flat-nose pliers is contained on platen, in order to press from both sides steady processing work, is the indispensable frock of machine shop.Fast owing to clamping, change and produce conveniently, be widely used in machined field.
Existing flat-nose pliers comprises pedestal, regular jaw, moving jaw, screw mandrel, described pedestal is provided with slide rail, described moving jaw to be set on slide rail and can to slidably reciprocate by slide rail, described regular jaw is fixed on pedestal, moving jaw is fixed with nut, screw mandrel is fixed on pedestal through after nut by bearing, in use there is following problem in this flat-nose pliers: first, because existing flat-nose pliers mostly has a regular jaw, location is used for during its clamping, like this once pedestal is fixed, the position of regular jaw is also fixing, its locating surface just can not arbitrarily have adjusted, in actual use, many times arbitrarily can not adjust the position of workpiece, especially on Digit Control Machine Tool, the position adjusting pedestal is just needed like this when using multifunctional accurate flat-nose pliers location, thus the locating surface of regular jaw and workpiece are fitted, and the position adjusting pedestal is very inconvenient, very large inconvenience is brought to the operation of workman, secondly, existing flat-nose pliers is when clamping work pieces, a reaction can be had to moving jaw and regular jaw, and the movement of moving jaw to be rotated by screw mandrel and then drive nut moves along screw mandrel, nut is fixed on screw mandrel, nut moves and moving jaw just can be driven to move, generally for the clamping not affecting workpiece, nut is all the lower surface being arranged on moving jaw, the point of application of such moving jaw is located in the bottom of moving jaw, and the force position that moving jaw is applied to workpiece is positioned at moving jaw top, just there is an arm of force so up and down, make moving jaw and regular jaw all will bear certain moment of flexure, this moment of flexure can make moving jaw and regular jaw open certain angle, cause piece-holder built on the sand, easily upwarp and stiff end displacement, make the machining accuracy of workpiece not high, in order to overcome the impact that this moment of flexure is brought, existing way is all strengthen the rigidity of moving jaw and regular jaw itself, but, along with the long-time use of flat-nose pliers, gap between moving jaw and slide rail can be increasing, the angle that this gap can make moving jaw and regular jaw open becomes large, thus cause piece-holder built on the sand, cause Workpiece Machining Accuracy not high, moreover, existing jaw is all integral type, for the comparatively peculiar workpiece of some shapes, it is grip bad, versatility is not high, special on Five-axis NC Machining Center for five of part processing, have a lot of interference, the cutter using some elongated of having to when processing, hinders the performance of five-axis machine tool efficiency.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of multifunctional accurate flat-nose pliers easy to use.
The utility model solves the problems of the technologies described above adopted technical scheme: this multifunctional accurate flat-nose pliers, comprise pedestal, first jaw, second jaw, described pedestal is provided with slide rail, described first jaw, second jaw to be set on slide rail and can to slidably reciprocate by slide rail, described pedestal is provided with chute, described chute is identical with the bearing of trend of slide rail, the first slide block is provided with in described chute, second slide block, 3rd slide block, 3rd slide block is arranged between the first slide block and the second slide block, first jaw is connected on the first slide block by first fixed structure, second jaw is connected on the second slide block by the second fixed structure, first slide block is provided with the first screwed hole, the axis direction of the first screwed hole is identical with chute direction, second slide block is provided with the second screwed hole, the axis direction of the second screwed hole is identical with chute direction, also comprise the first threaded rod and the second threaded rod, one end of described first threaded rod is passed the first screwed hole and is fixed on the 3rd slide block by bearing, one end of second threaded rod is passed the second screwed hole and is fixed on the 3rd slide block by bearing, described pedestal is provided with the first locking device for fixing the first slide block, for fixing the second locking device of the second slide block, for fixing the 3rd locking device of the 3rd slide block.
Further, the first fixing hole that described first locking device comprises the first lock-screw, is arranged on the first locking screw pit on pedestal and is arranged on the first slide block, described first lock-screw stretches in the first fixing hole through after the first locking screw pit; The second fixing hole that described second locking device comprises the second lock-screw, is arranged on the second locking screw pit on pedestal and is arranged on the second slide block, described second lock-screw stretches in the second fixing hole through after the second locking screw pit; The 3rd fixing hole that described 3rd locking device comprises the 3rd lock-screw, is arranged on the 3rd locking screw pit on pedestal and is arranged on the 3rd slide block, described 3rd lock-screw stretches in the 3rd fixing hole through after the 3rd locking screw pit.
Be further, the termination of the termination of described first lock-screw, the termination of the second lock-screw, the 3rd lock-screw is taper, and the bottom of described first fixing hole, the bottom of the second fixing hole are provided with bellmouth and the central axis of bellmouth is positioned at the below of the central axis of the first fixing hole or the center line axis of the second fixing hole.
Be further, described first fixed structure comprises the first projection being fixed on the first slide block upper surface, be arranged on the first pit of the first jaw lower surface and multiple first push rod, the size of the first projection and the size of the first pit match, the upper surface of described first projection is provided with the first groove, the sidewall of described first groove is provided with multiple first through hole, the first lower drawing block with the first groove match is provided with in described first pit, described first lower drawing block is provided with multiple first bellmouth, described multiple first bellmouth and multiple first through hole one_to_one corresponding, one end of first push rod is taper, the tapering point of the first push rod stretches in the first bellmouth through after the first through hole, described second fixed structure comprises the second projection being fixed on the second slide block upper surface, be arranged on the second pit of the second jaw lower surface and multiple second push rod, the size of the second projection and the size of the second pit match, the upper surface of described second projection is provided with the second groove, the sidewall of described second groove is provided with multiple second through hole, the second lower drawing block with the second groove match is provided with in described second pit, described second lower drawing block is provided with multiple second bellmouth, described multiple second bellmouth and multiple second through hole one_to_one corresponding, one end of second push rod is taper, the tapering point of the second push rod stretches in the second bellmouth through after the second through hole.
Be further, described first jaw comprises the first movable base and the first clamping part, described first clamping part is fixed on the first movable base by demountable structure, second jaw includes the second movable base and the second clamping part, and described second clamping part is fixed on the second movable base by demountable structure.
Further, described demountable structure is cross key location draw bail.
The beneficial effects of the utility model: this multifunctional accurate flat-nose pliers by arranging the first slide block in chute, second slide block, 3rd slide block, and the first locking device be provided with on pedestal for fixing the first slide block, for fixing the second locking device of the second slide block, for fixing the 3rd locking device of the 3rd slide block, first jaw is connected on the first slide block by first fixed structure, second jaw is connected on the second slide block by the second fixed structure, one end of first threaded rod is passed the first screwed hole and is fixed on the 3rd slide block by bearing, one end of second threaded rod is passed the second screwed hole and is fixed on the 3rd slide block by bearing, in use, the 3rd locking device can be only utilized to be fixed by the 3rd slide block, such rotation first threaded rod and the second threaded rod just can make the first jaw and the second jaw move in opposite directions, also the first locking device and the 3rd locking device can be utilized the first slide block, 3rd slide block is fixed simultaneously, such first jaw maintains static, rotating the second threaded rod just can make the second jaw move towards the first jaw, also the second locking device and the 3rd locking device can be utilized the second slide block, 3rd slide block is fixed simultaneously, such second jaw maintains static, rotating the first threaded rod just can make the first jaw move towards the second jaw, so just, the locating surface of multifunctional accurate flat-nose pliers arbitrarily can be adjusted, without the need to adjusting the position of pedestal again, very large facility is brought to the operation of workman, in addition, by push rod, the fixed structure of lower drawing block composition is when clamping work pieces, because the effect of push rod and lower drawing block can move down thus be pressed onto in the upper plane of pedestal by the first jaw and the second jaw overcoming spring force relief lower drawing block, reduce workpiece to upwarp, can ensure that piece-holder is firm, ensure the machining accuracy of workpiece.
Accompanying drawing explanation
Fig. 1 is the front view of the utility model multifunctional accurate flat-nose pliers;
Fig. 2 is the main pseudosection of the utility model multifunctional accurate flat-nose pliers;
Fig. 3 is the left side view of the utility model multifunctional accurate flat-nose pliers;
Description of symbols in figure: pedestal 1, first jaw 2, first movable base 201, first clamping part 202, second jaw 3, second movable base 301, second clamping part 302, slide rail 4, chute 5, first slide block 6, second slide block 7, 3rd slide block 8, first fixed structure 9, first projection 901, first pit 902, first push rod 903, first groove 904, first through hole 905, first lower drawing block 906, first bellmouth 907, second fixed structure 10, second projection 1001, second pit 1002, second push rod 1003, second groove 1004, second through hole 1005, second lower drawing block 1006, second bellmouth 1007, first screwed hole 11, second screwed hole 12, first threaded rod 13, second threaded rod 14, first locking device 15, first lock-screw 151, first locking screw pit 152, first fixing hole 153, second locking device 16, 3rd locking device 17.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As Fig. 1, 2, described in 3, this multifunctional accurate flat-nose pliers, comprise pedestal 1, first jaw 2, second jaw 3, described pedestal 1 is provided with slide rail 4, described first jaw 2, second jaw 3 to be set on slide rail 4 and can to slidably reciprocate by slide rail 4, described pedestal 1 is provided with chute 5, described chute 5 is identical with the bearing of trend of slide rail 4, the first slide block 6 is provided with in described chute 5, second slide block 7, 3rd slide block 8, 3rd slide block 8 is arranged between the first slide block 6 and the second slide block 7, first jaw 2 is connected on the first slide block 6 by first fixed structure 9, second jaw 3 is connected on the second slide block 7 by the second fixed structure 10, first slide block 6 is provided with the first screwed hole 11, the axis direction of the first screwed hole 11 is identical with chute 5 direction, second slide block 7 is provided with the second screwed hole 12, the axis direction of the second screwed hole 12 is identical with chute 5 direction, also comprise the first threaded rod 13 and the second threaded rod 14, one end of described first threaded rod 13 is passed the first screwed hole 11 and is fixed on the 3rd slide block 8 by bearing, one end of second threaded rod 14 is passed the second screwed hole 12 and is fixed on the 3rd slide block 8 by bearing, described pedestal 1 is provided with the first locking device 15 for fixing the first slide block 6, for fixing the second locking device 16 of the second slide block 7, for fixing the 3rd locking device 17 of the 3rd slide block 8.This multifunctional accurate flat-nose pliers by arranging the first slide block 6 in chute 5, second slide block 7, 3rd slide block 8, and the first locking device 15 be provided with on pedestal 1 for fixing the first slide block 6, for fixing the second locking device 16 of the second slide block 7, for fixing the 3rd locking device 17 of the 3rd slide block 8, first jaw 2 is connected on the first slide block 6 by first fixed structure 9, second jaw 3 is connected on the second slide block 7 by the second fixed structure 10, one end of first threaded rod 13 is passed the first screwed hole 11 and is fixed on the 3rd slide block 8 by bearing, one end of second threaded rod 14 is passed the second screwed hole 12 and is fixed on the 3rd slide block 8 by bearing, in use, the 3rd locking device 17 can be only utilized to be fixed by the 3rd slide block 8, such rotation first threaded rod 13 and the second threaded rod 14 just can make the first jaw 2 and the second jaw 3 move in opposite directions, also the first locking device 15 and the 3rd locking device 17 can be utilized the first slide block 6, 3rd slide block 8 is fixed simultaneously, such first jaw 2 maintains static, rotating the second threaded rod 14 just can make the second jaw 3 move towards the first jaw 2, also the second locking device 16 and the 3rd locking device 17 can be utilized the second slide block 7, 3rd slide block 8 is fixed simultaneously, such second jaw 3 maintains static, rotating the first threaded rod 13 just can make the first jaw 2 move towards the second jaw 3, so just, the locating surface of multifunctional accurate flat-nose pliers arbitrarily can be adjusted, without the need to adjusting the position of pedestal 1 again, very large facility is brought to the operation of workman.
Described first threaded rod 13 and the second threaded rod 14 can be made of one formula structure, namely adopt a screw rod, and the thread rotary orientation at screw rod two ends is contrary, screw rod arranges draw-in groove, utilizes the 3rd slide block to be blocked by screw rod.
In the above-described embodiment, described first locking device 15, second locking device 16, the 3rd locking device 17 can adopt existing various locking mode, such as can adopt the mode such as latch, bearing pin, as preferably: described first locking device 15 comprises the first lock-screw 151, be arranged on the first locking screw pit 152 on pedestal 1 and the first fixing hole 153 be arranged on the first slide block 6, and described first lock-screw 151 stretches in the first fixing hole 153 through after the first locking screw pit 152; The second fixing hole that described second locking device 16 comprises the second lock-screw, is arranged on the second locking screw pit on pedestal 1 and is arranged on the second slide block 7, described second lock-screw stretches in the second fixing hole through after the second locking screw pit; The 3rd fixing hole that described 3rd locking device 17 comprises the 3rd lock-screw, is arranged on the 3rd locking screw pit on pedestal 1 and is arranged on the 3rd slide block 8, described 3rd lock-screw stretches in the 3rd fixing hole through after the 3rd locking screw pit.The locking device of this mode utilizes lock-screw to realize, and when needs are fastening, only lock-screw need be screwed in fixing hole in locking screw pit and deeply corresponding, due to the design of locking screw pit, lock-screw can not come off out, and locking effect is better.
Insert easily in fixing hole to enable lock-screw, the termination of the termination of described first lock-screw 151, the termination of the second lock-screw, the 3rd lock-screw is taper, and the described bottom of the first fixing hole 153, the bottom of the second fixing hole are provided with bellmouth and the central axis of bellmouth is positioned at the below of the central axis of the first fixing hole 153 or the center line axis of the second fixing hole.When locking, central axis due to bellmouth is positioned at the below of the central axis of the first fixing hole 153 or the center line axis of the second fixing hole, when the termination of lock-screw is inserted in bellmouth, slide block upwards can be pushed up, make together with slide block fits tightly with chute, eliminate the gap between slide block and chute, improve its installation accuracy.
Be further, described first fixed structure 9 comprises the first projection 901 being fixed on the first slide block 6 upper surface, be arranged on the first pit 902 of the first jaw 2 lower surface and multiple first push rod 903, the size of the first projection 901 and the size of the first pit 902 match, the upper surface of described first projection 901 is provided with the first groove 904, the sidewall of described first groove 904 is provided with multiple first through hole 905, the first lower drawing block 906 matched with the first groove 904 is provided with in described first pit 902, described first lower drawing block 906 is provided with multiple first bellmouth 907, described multiple first bellmouths 907 and multiple first through hole 905 one_to_one corresponding, one end of first push rod 903 is taper, the tapering point of the first push rod 903 stretches in the first bellmouth 907 through after the first through hole 905, described second fixed structure 10 comprises the second projection 1001 being fixed on the second slide block 7 upper surface, be arranged on the second pit 1002 of the second jaw 3 lower surface and multiple second push rod 1003, the size of the second projection 1001 and the size of the second pit 1002 match, the upper surface of described second projection 1001 is provided with the second groove 1004, the sidewall of described second groove 1004 is provided with multiple second through hole 1005, the second lower drawing block 1006 matched with the second groove 1004 is provided with in described second pit 1002, described second lower drawing block 1006 is provided with multiple second bellmouth 1007, described multiple second bellmouths 1007 and multiple second through hole 1005 one_to_one corresponding, one end of second push rod 1003 is taper, the tapering point of the second push rod 1003 stretches in the second bellmouth 1007 through after the second through hole 1005.When utilizing the first jaw 2 and the second jaw 3 by Workpiece clamping, the tapered end face of the first push rod 903 contacts with the first bellmouth 907, due to the existence of tapered slope, the taper surface of the first push rod 903 can give the first bellmouth 907 1 pressure, there is a component straight down in this pressure, because the first bellmouth 907 is arranged on the first lower drawing block 906, first lower drawing block 906 moves down under this component effect, first lower drawing block 906 can drive the first jaw 2 to move down to make on the first jaw 2 slide rail 4 being fitted in pedestal 1 tightly, even if the gap that the existence between the first jaw 2 and slide rail 4 is larger, in the process of clamping work pieces, utilize first fixed structure 9 also can make the first jaw 2 tightly be fitted on slide rail 4, same principle, utilize the second fixed structure 10 also can make the second jaw 3 tightly be fitted on slide rail 4, the angle causing the first jaw 2 and the second jaw 3 to open owing to there is gap between jaw and slide rail 4 is avoided to become large, reduce workpiece to upwarp, can ensure that piece-holder is firm, ensure the machining accuracy of workpiece.
The conveniently secondary development of jaw, increase the scope of application of multifunctional accurate flat-nose pliers, described first jaw 2 comprises the first movable base 201 and the first clamping part 202, described first clamping part 202 is fixed on the first movable base 201 by demountable structure, second jaw 3 includes the second movable base 301 and the second clamping part 302, and described second clamping part 302 is fixed on the second movable base 301 by demountable structure.Different clamping parts can be processed according to the actual requirements like this, when running into the workpiece of fancy shapes without the need to special whole multifunctional accurate flat-nose pliers customized, only need clamping part customized, greatly having saved replacement cost.Further, in order to ensure bonding strength, described demountable structure is preferably cross key location draw bail.
Claims (6)
1. multifunctional accurate flat-nose pliers, comprise pedestal (1), first jaw (2), second jaw (3), described pedestal (1) is provided with slide rail (4), described first jaw (2), second jaw (3) is set on slide rail (4) and goes up and can slidably reciprocate by slide rail (4), described pedestal (1) is provided with chute (5), described chute (5) is identical with the bearing of trend of slide rail (4), it is characterized in that: in described chute (5), be provided with the first slide block (6), second slide block (7), 3rd slide block (8), 3rd slide block (8) is arranged between the first slide block (6) and the second slide block (7), first jaw (2) is connected on the first slide block (6) by first fixed structure (9), second jaw (3) is connected on the second slide block (7) by the second fixed structure (10), first slide block (6) is provided with the first screwed hole (11), the axis direction of the first screwed hole (11) is identical with chute (5) direction, second slide block (7) is provided with the second screwed hole (12), the axis direction of the second screwed hole (12) is identical with chute (5) direction, also comprise the first threaded rod (13) and the second threaded rod (14), one end of described first threaded rod (13) is passed the first screwed hole (11) and is fixed on the 3rd slide block (8) by bearing, one end of second threaded rod (14) is passed the second screwed hole (12) and is fixed on the 3rd slide block (8) by bearing, described pedestal (1) is provided with the first locking device (15) for fixing the first slide block (6), for fixing second locking device (16) of the second slide block (7), for fixing the 3rd locking device (17) of the 3rd slide block (8).
2. multifunctional accurate flat-nose pliers as claimed in claim 1, it is characterized in that: the first fixing hole (153) that described first locking device (15) comprises the first lock-screw (151), is arranged on the first locking screw pit (152) on pedestal (1) and is arranged on the first slide block (6), described first lock-screw (151) is stretched in the first fixing hole (153) through after the first locking screw pit (152); The second locking screw pit that described second locking device (16) comprises the second lock-screw, be arranged on pedestal on (1) and the second fixing hole be arranged on the second slide block (7), described second lock-screw stretches in the second fixing hole through after the second locking screw pit; The 3rd fixing hole that described 3rd locking device (17) comprises the 3rd lock-screw, is arranged on the 3rd locking screw pit on pedestal (1) and is arranged on the 3rd slide block (8), described 3rd lock-screw stretches in the 3rd fixing hole through after the 3rd locking screw pit.
3. multifunctional accurate flat-nose pliers as claimed in claim 2, it is characterized in that: the termination of the termination of described first lock-screw (151), the termination of the second lock-screw, the 3rd lock-screw is taper, the described bottom of the first fixing hole (153), the bottom of the second fixing hole are provided with bellmouth and the central axis of bellmouth is positioned at below the central axis of the first fixing hole (153) or the center line axis of the second fixing hole.
4. multifunctional accurate flat-nose pliers as claimed in claim 1, it is characterized in that: described first fixed structure (9) comprises the first projection (901) being fixed on the first slide block (6) upper surface, be arranged on the first pit (902) and multiple first push rod (903) of the first jaw (2) lower surface, the size of the first projection (901) and the size of the first pit (902) match, the upper surface of described first projection (901) is provided with the first groove (904), the sidewall of described first groove (904) is provided with multiple first through hole (905), the first lower drawing block (906) matched with the first groove (904) is provided with in described first pit (902), described first lower drawing block (906) is provided with multiple first bellmouth (907), described multiple first bellmouth (907) and multiple first through hole (905) one_to_one corresponding, one end of first push rod (903) is taper, the tapering point of the first push rod (903) stretches in the first bellmouth (907) through after the first through hole (905), described second fixed structure (10) comprises the second projection (1001) being fixed on the second slide block (7) upper surface, be arranged on the second pit (1002) and multiple second push rod (1003) of the second jaw (3) lower surface, the size of the second projection (1001) and the size of the second pit (1002) match, the upper surface of described second projection (1001) is provided with the second groove (1004), the sidewall of described second groove (1004) is provided with multiple second through hole (1005), the second lower drawing block (1006) matched with the second groove (1004) is provided with in described second pit (1002), described second lower drawing block (1006) is provided with multiple second bellmouth (1007), described multiple second bellmouth (1007) and multiple second through hole (1005) one_to_one corresponding, one end of second push rod (1003) is taper, the tapering point of the second push rod (1003) stretches in the second bellmouth (1007) through after the second through hole (1005).
5. multifunctional accurate flat-nose pliers as claimed in claim 4, it is characterized in that: described first jaw (2) comprises the first movable base (201) and the first clamping part (202), described first clamping part (202) is fixed on the first movable base (201) by demountable structure, second jaw (3) includes the second movable base (301) and the second clamping part (302), and described second clamping part (302) is fixed on the second movable base (301) by demountable structure.
6. multifunctional accurate flat-nose pliers as claimed in claim 5, is characterized in that: described demountable structure is cross key location draw bail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520445322.7U CN204748106U (en) | 2015-06-26 | 2015-06-26 | Multi -functional precision flatnosed pliers |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520445322.7U CN204748106U (en) | 2015-06-26 | 2015-06-26 | Multi -functional precision flatnosed pliers |
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| CN204748106U true CN204748106U (en) | 2015-11-11 |
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| CN201520445322.7U Active CN204748106U (en) | 2015-06-26 | 2015-06-26 | Multi -functional precision flatnosed pliers |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104959854A (en) * | 2015-06-26 | 2015-10-07 | 苏州磐岩精密机械有限公司 | Multifunctional precise flat tongs |
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2015
- 2015-06-26 CN CN201520445322.7U patent/CN204748106U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104959854A (en) * | 2015-06-26 | 2015-10-07 | 苏州磐岩精密机械有限公司 | Multifunctional precise flat tongs |
| CN104959854B (en) * | 2015-06-26 | 2017-07-25 | 苏州磐岩精密机械有限公司 | Multifunctional accurate flat-nose pliers |
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