CN102416603B - Impact type electric compression joint or shearing pliers - Google Patents

Impact type electric compression joint or shearing pliers Download PDF

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Publication number
CN102416603B
CN102416603B CN 201110419253 CN201110419253A CN102416603B CN 102416603 B CN102416603 B CN 102416603B CN 201110419253 CN201110419253 CN 201110419253 CN 201110419253 A CN201110419253 A CN 201110419253A CN 102416603 B CN102416603 B CN 102416603B
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CN
China
Prior art keywords
sleeve
pliers
jump bit
tong arm
groove
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Expired - Fee Related
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CN 201110419253
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Chinese (zh)
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CN102416603A (en
Inventor
王新
张忠华
王小林
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SUZHOU BAITAIKE MACHINERY CO Ltd
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SUZHOU BAITAIKE MACHINERY CO Ltd
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Priority to CN 201110419253 priority Critical patent/CN102416603B/en
Publication of CN102416603A publication Critical patent/CN102416603A/en
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Publication of CN102416603B publication Critical patent/CN102416603B/en
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Abstract

The invention discloses impact type electric compression joint or shearing pliers, which comprise a shell and a working head for compression joint or shearing; a motor and a speed reducer are arranged in the shell, the output shaft of the speed reducer drives the working head to move through an impact rotating assembly, the working head comprises a sleeve, and a pliers head assembly is arranged at the front end of the sleeve; and the rear end of the sleeve is arranged in the shell, a lead screw nut mechanism is arranged in the sleeve, the pliers head assembly comprises a pliers arm mounting plate, two mutually matched pliers arms are hinged on the pliers arm mounting plate, the pliers arm mounting plate is arranged at the front end of the sleeve through a central pin, the inner sides of the tails of the two pliers arms are provided with force application bevels, the front end of a lead screw or a nut of the lead screw nut mechanism is provided with a force application part matched with the force application bevels to push the pliers arms to clamp, and the lead screw nut mechanism is connected with the impact rotating assembly. The pliers are powerful and reliable in power, easy and convenient to implement, convenient for replacing various pliers head assemblies and suitable for shearing or clamping of different operations or materials of different specifications.

Description

A kind of impact type electric compression joint or cutting nipper
Technical field
The present invention relates to a kind of hardware ﹠ tools, refer to especially a kind of impact type electric compression joint or cutting nipper.
Background technology
At present at extensive power tools that adopts manual and hydraulic structure of pipeline and wireline operation place such as water supply, power supply, air feed.Hand-operated tools labour intensity is large, and efficient is low, and, connect with the large occasion of cable size substantially helpless for pipe.The tool construction of hydraulic structure is complicated, and mechanism is huge and heavy, needs many people coordinating operation, and there is leakage of oil in fluid pressure line and mechanism, and is unclean, easily the critical defect such as ageing failure.Patent CN201702729U discloses a kind of working head with clamping or shearing function that is connected with impact wrench.The split-type structural that this scheme is comprised of impact wrench and working head.Working head is connected unreliablely with impact wrench in real work, and crank needs the hands grasping operation, and labour intensity is large, and the binding clip unit replacement difficulty of working head is large.
Summary of the invention
Technical problem to be solved by this invention is: a kind of impact type electric compression joint or cutting nipper are provided, and this tool's power is powerful reliable, operate easy and conveniently, is convenient for changing various binding clip assemblies, is fit to shearing or the clamping operation of different work or different size material.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of impact type electric compression joint or cutting nipper, comprise housing and be used for crimping or the working head of shearing, motor and decelerator are installed in the described housing, the output shaft of described decelerator drives the working head action by impacting rotary components, described working head comprises sleeve, and the front end of described sleeve is equipped with the binding clip assembly; The rear end of described sleeve is installed in the housing, in the described sleeve screw-nut body is installed, described binding clip assembly comprises the tong arm installing plate, be hinged with two tong arms that cooperatively interact on the described tong arm installing plate, described tong arm installing plate is installed on the front end of described sleeve by centrepin, the inboard of described two tong arm afterbodys is equipped with application of force inclined-plane, the leading screw of described screw-nut body or nut front end are provided with application of force inclined-plane and cooperate the force section that promotes the tong arm clamping, and described screw-nut body is connected with the impact rotary components.
As a kind of preferred scheme, described sleeve comprises sleeve body and bonnet, and described sleeve body front end is provided with the installation portion of jag, and described tong arm installing plate is plugged in the fork pockets of installation portion and by described centrepin and fixes, and total compactness, reliability are high like this.
As a kind of preferred scheme, described force section comprises rotates two rollers that are installed on described leading screw front end, described roller leans respectively the application of force inclined-plane of corresponding tong arm, described two rollers are constrained in the described fork pockets, the extruding on roller and application of force inclined-plane is so that the switching of tong arm is smooth and easy, and is difficult for causing the wearing and tearing on the application of force inclined-plane of tong arm.
As a kind of preferred scheme, be provided with the semicircle orifice that cooperatively interacts on the inboard opposite face in described two tong arms middle part, be provided with position blocking pin in the hole, can keep movement range consistent during the tong arm folding.
As a kind of preferred scheme, cover has torsionspring, described torsionspring to be pressed in advance between two tong arms, like this on the described position blocking pin, it is to be in all the time closure state under non-working condition that torsionspring can make tong arm, guarantees that this tool profile is attractive in appearance, it is reliable to use.
As a kind of preferred scheme, described impact rotary components comprises output shaft, jump bit, mandrel, ball, spring, front end and the screw-nut body of described output shaft are in transmission connection, described jump bit is set on the mandrel, the bite that the front end of described jump bit and the rear end of output shaft are equipped with mutually interlock or separate, the rear end that described spring is pressed on jump bit in advance makes the bite interlock of front end and the output shaft of jump bit, the periphery of described mandrel is provided with the first groove, described the first groove is formed by connecting by one section right-handed screw groove and backpitch groove, the inner peripheral surface of described jump bit is provided with the second groove with the first groove coupling, described ball is contained in the first groove and the second groove, and described ball is connected on the described mandrel and allows that jump bit moves axially what jump bit rotated.
As a kind of preferred scheme, the bite of described output shaft is the yi word pattern structure, and the bite of described jump bit is two projections.
As a kind of preferred scheme, power brick also is housed on the described casing, described power brick is electrically connected by between switch module and the motor.
As a kind of preferred scheme, the rear end of described sleeve extend in the casing and by clamp mechanism and clamps.
After having adopted technique scheme, effect of the present invention is: because in the structure of described impact type electric compression joint or cutting nipper, the front end of sleeve is only to utilize centrepin and tong arm installing plate to fix, only need dismantle a centrepin when needing to change the binding clip assembly gets final product, dismantle very convenient, simultaneously, the power of motor is through decelerator, impact rotary components with transmission of power to screw-nut body, the force section is driven to move axially to cooperate with the application of force inclined-plane of tong arm afterbody inboard by leading screw or nut and drives the tong arm clamping, whole process transmission of power is reliable and stable, operation is also convenient, can be fit to the shearing of different work or different size material or clamp operation by changing different binding clip assemblies.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the front view of the embodiment of the invention;
Fig. 2 is the top view of the embodiment of the invention;
Fig. 3 is the structure cutaway view of Fig. 1 under binding clip assembly closure state;
Fig. 4 is the amplification view at Fig. 3 housing A-A jump bit front end face place;
Fig. 5 is the structure cutaway view of Fig. 1 under binding clip assembly opening;
Fig. 6 is the structural representation of the binding clip assembly of the embodiment of the invention when being cutting nipper;
The structural representation of binding clip assembly when Fig. 7 is the large-caliber pipe fittings crimping of the embodiment of the invention;
In the accompanying drawing: 1. binding clip assembly; 11. tong arm installing plate; 12. arm pin; 13. tong arm A; 131. jaw A; 14. tong arm B; 141. jaw B; 15. position blocking pin; 16. torsionspring; 17. stop pin; 18. screw; 19. clamp; 2. screw-nut body; 21. nut; 22. leading screw; 23. roller pin; 24. roller; 3. sleeve; 31. sleeve body; 311. installation portion; 32. bonnet; 33. centrepin; 34. cod I; 35. journal bearing; 36. cod II; 4. impact rotary components; 41. output shaft; 42. jump bit; 43. mandrel; 44. ball; 45. spring; 5. decelerator; 6. motor; 7. Switch main body; 71. change-over switch; 8. power brick; 9. housing; 91. clamp mechanism; 10. shearing jaw; 100. card pressing tongs group; 200 card pressure ring assemblies.
The specific embodiment
The present invention is described in further detail below by specific embodiment.
A kind of impact type electric compression joint or cutting nipper, extremely shown in Figure 7 such as Fig. 1, comprise housing 9 and be used for crimping or the working head of shearing, motor 6 and decelerator 5 are installed in the described housing 9, the output shaft of described motor 6 is connected with the power shaft of decelerator 5, the output shaft of described decelerator 5 drives the working head action by impacting rotary components 4, described working head comprises sleeve 3, described sleeve 3 comprises sleeve body 31 and bonnet 32, described bonnet 32 is installed on the rearward end of sleeve 3, described bonnet 32 is provided with perforate, is convenient to output shaft 41 insertions and is connected with the nut 21 of screw-nut body 2.
The front end of described sleeve 3 is equipped with binding clip assembly 1; The rear end of described sleeve 3 is installed in the housing 9 and by clamp mechanism 91 and clamps.Sleeve 3 can rotate freely when unclamping clamp mechanism 91, to adapt to varying environment, locks clamp mechanism 91, and sleeve 3 is fixed in the casing.
Described binding clip assembly 1 comprises tong arm installing plate 11, be hinged with two tong arms that cooperatively interact by arm pin 12 on the described tong arm installing plate 11, be tong arm A13 and tong arm B14, be provided with the semicircle orifice that cooperatively interacts on the inboard opposite face in the middle part of described tong arm A13 and tong arm B14, be provided with position blocking pin 15 in the hole, can keep movement range consistent during the tong arm folding.Cover has torsionspring 16, described torsionspring 16 to be pressed in advance between two tong arms on the described position blocking pin 15, the elastic force of this torsionspring 16 so that the associated jaw portion of tong arm close up all the time not being subjected to the force section to do the time spent.The front end of described tong arm A13 detachably is equipped with semicircular jaw A131, the outer rim of described jaw A131 is provided with the installation draw-in groove, be installed with clamp 19 in the described installation draw-in groove, described clamp 19 is fixed on the tong arm A13 by screw 18, also be provided with the anti-rotation bayonet socket on the outer rim of described jaw A131, in the described anti-rotation bayonet socket stop pin 17 is installed, prevents that jaw A131 from rotating relative to tong arm; Equally, on the described jaw B141 also the mounting means the same with jaw A131 be installed on tong arm B14 upper and and jaw A131 cooperate together.In the described sleeve 3 screw-nut body 2 is installed, the nut 21 of described screw-nut body 2 rotates by journal bearing 35 and is installed in the sleeve body 31, be provided with cod II 36 between the front end of described nut 21 and the sleeve body 31, be provided with cod I 34 between the rear end of described nut 21 and the bonnet 32, threaded engagement between described leading screw 22 and the nut 21.The rearward end of the nut 21 of described screw-nut body 2 is provided with the polygon mating holes, and output shaft 41 inserts transferring power in the described polygon mating holes.
Described tong arm installing plate 11 is installed on the front end of described sleeve 3 by centrepin 33, the inboard of described two tong arm afterbodys is equipped with application of force inclined-plane, and described application of force inclined-plane is preferably the arc force surface.Leading screw 22 front ends of described screw-nut body 2 are provided with the force section that cooperates the promotion tong arm to clamp with application of force inclined-plane.
Described sleeve body 31 front ends are provided with the installation portion 311 of jag, and described tong arm installing plate 11 is plugged in the fork pockets of installation portion 311 and is fixing by described centrepin 33, and therefore, tong arm installing plate 11 is constrained in the fork pockets, and whole binding clip assembly 1 can not rotate.Described force section comprises by roller pin 23 rotates two rollers 24 that are installed on described leading screw 22 front ends, and described roller 24 leans respectively the application of force inclined-plane of corresponding tong arm, and described two rollers 24 are constrained in the described fork pockets.Roller 24 can effectively reduce friction, guarantees that the clamping of tong arm is smooth and easy, and the transfer reliability of power is high.Certainly, described roller 24 is to carry out adaptively for the installation portion 311 with jag, and the force section can be rotating spheroid in fact, the installation portion 311 of the front end of sleeve 3 also can be arranged to jag, so like this, no matter whether binding clip assembly 1 rotates, and spheroid can contact with application of force inclined-plane.
Certainly, described force section can also be arranged on the nut 21 of screw-nut body 2, that is, the front end of nut 21 is equipped with two rollers 24, and described roller 24 leans respectively the application of force inclined-plane of corresponding tong arm, and the afterbody of leading screw 22 is provided with polygonal coupling hole, output shaft 41 cooperates with the connecting hole of leading screw 22, and therefore, output shaft 41 can drive leading screw 22 and rotate, leading screw 22 rotations just drive nut 21 and axially move forward and backward, and drive the jaw clamping thereby control roller 24 leans application of force inclined-plane.
Described impact rotary components 4 comprises output shaft 41, jump bit 42, mandrel 43, ball 44, spring 45, the polygonal coupling hole of the nut 21 that the front end of described output shaft 41 is connected with screw-nut body connects, described jump bit 42 is set on the mandrel 43, the bite that the rear end of the front end of described jump bit 42 and output shaft 41 is equipped with mutually interlock or separates, the bite of described output shaft 41 is the yi word pattern structure, the bite of described jump bit 42 is two projections, when interlock, described projection leans on yi word pattern.The rear end that described spring 45 is pressed on jump bit 42 in advance makes the bite interlock of front end and the output shaft 41 of jump bit 42, the periphery of described mandrel 43 is provided with the first groove, described the first groove is formed by connecting by one section right-handed screw groove and backpitch groove, the inner peripheral surface of the described jump bit 42 of right-handed screw groove is provided with the second groove with the first groove coupling, described ball 44 is contained in the first groove and the second groove, and described ball 44 is connected on the described mandrel 43 and allows that jump bit 42 moves axially what jump bit 42 rotated.During mandrel 43 forward, because ball 44 can drive jump bit 42 forwards in the first groove and the second groove, after jaw closes up the power of being able to eat, ball 44 will endwisely slip in the first groove, drive jump bit 42 Compress Spring 45 that endwisely slips backward, jump bit 42 and front end bite section break away from the bite of output shaft 41 tail ends, and after angle of projection rotation of jump bit 42 front ends, jump bit 42 axially continues transferring power with output shaft 41 afterbody interlocks forward again under the effect of spring 45.And when tighten finish after, pressure between roller 24 and the application of force inclined-plane is very large, easily block, therefore, when leading screw 22 counter-rotating, ball 44 also can make in the backpitch groove section axially-movable of the first groove jump bit 42 and output shaft 41 break away from or interlocks, so just also uses interlock hitting power of this moment when unclamping jaw, thereby is conducive to unclamp jaw, roller 24 is retreated.
Power brick 8 also is housed on the described casing, and described power brick 8 is electrically connected by between switch module and the motor 6, and described switch module comprises Switch main body 7 and change-over switch 71.
Certainly, according to different needs, when needing shearing work, be replaced with the binding clip assembly 1 with shearing jaw 10 and get final product.
Cooperate by means of card pressing tongs group 100 shown in Figure 7 and card pressure ring assembly 200, can finish the pipe pressuring connection of larger diameter.
Operation principle of the present invention is: take the crimping pipeline as example, during beginning, leading screw 22 and roller 24 are the rear stops that are positioned at leading screw 22 strokes, the tail end of hand tong arm A13 and tong arm B14 opens the jaw position, put to being crimped on the pipeline, hold a writing brush or pen-write with jaw A131 and jaw B141 card, unclamp hand, under the effect of torsionspring 16, jaw A131 and jaw B141 are close to pipeline outer wall.71 groups of change-over switches are placed the forward position of motor 6, depress switch body 7, motor 6 drives decelerator 5 and rotates, 43 rotations of decelerator 5 band moving mandrels, drive jump bit 42 by ball 44, output shaft 41 rotates, output shaft 41 drives nut 21 and rotates, because screwing togather effect, leading screw 22 drives roller 24 forward end axially-movables, roller 24 promotes the inboard application of force of the tail end inclined-plane of tong arm A13 and tong arm B14, after jaw closes up the power of being able to eat, ball 44 can be to rear axle to slip in the first groove of mandrel 43,44 axial compressions of ball drive backward side pressure contracting spring 45 of jump bit 42, break away from the bite of output shaft 41 tail ends when the front end bite section of jump bit 42, and angle of projection rotation of jump bit 42 front ends strides across a suffix of output shaft 41, under the pushing of spring 45, the jump bit 42 again interlock of afterbody with output shaft 41 that endwisely slips forward, in process of interlock, the hitting power of spring 45 and jump bit 42 is much larger than normal rotary thrust again for this.Like this, interlock, disengaging that jump bit 42 and output shaft 41 so repeat, under the hitting power effect of this repetition, jaw A131 is connected the crimping pipeline and connects operation with jaw B141, after operation is finished, trip switch, with 71 groups of backward positions that place motor 6 of change-over switch, depress switch body 7, nut 21 backward rotation, leading screw 22 drives roller 24 and moves to the back-end, trip switch body 7 behind the stop is pinched the tail end of tong arm A13 and tong arm B14 hold together after arriving, and jaw A131 and jaw B141 open, get from pipeline, crimping operation is finished.

Claims (7)

1. an impact type electric compression joint or cutting nipper, comprise housing and be used for crimping or the working head of shearing, motor and decelerator are installed in the described housing, the output shaft of described decelerator drives the working head action by impacting rotary components, it is characterized in that: described working head comprises sleeve, and the front end of described sleeve is equipped with the binding clip assembly; The rear end of described sleeve is installed in the housing, in the described sleeve screw-nut body is installed, described binding clip assembly comprises the tong arm installing plate, be hinged with two tong arms that cooperatively interact on the described tong arm installing plate, described tong arm installing plate is installed on the front end of described sleeve by centrepin, the inboard of described two tong arm afterbodys is equipped with application of force inclined-plane, the leading screw of described screw-nut body or nut front end are provided with the force section that cooperates the promotion tong arm to clamp with application of force inclined-plane, described screw-nut body is connected with the impact rotary components, described sleeve comprises sleeve body and bonnet, described sleeve body front end is provided with the installation portion of jag, described tong arm installing plate is plugged in the fork pockets of installation portion and by described centrepin and fixes, described force section comprises rotates two rollers that are installed on described leading screw or nut front end, described roller leans respectively the application of force inclined-plane of corresponding tong arm, and described two rollers are constrained in the described fork pockets.
2. a kind of impact type electric compression joint as claimed in claim 1 or cutting nipper is characterized in that: be provided with the semicircle orifice that cooperatively interacts on the inboard opposite face in described two tong arms middle part, be provided with position blocking pin in the hole.
3. a kind of impact type electric compression joint as claimed in claim 2 or cutting nipper is characterized in that: cover has torsionspring, described torsionspring to be pressed in advance between two tong arms on the described position blocking pin.
4. a kind of impact type electric compression joint as claimed in claim 3 or cutting nipper, it is characterized in that: described impact rotary components comprises output shaft, jump bit, mandrel, ball, spring, front end and the screw-nut body of the output shaft of described impact rotary components are in transmission connection, described jump bit is set on the mandrel, the bite that the rear end of the front end of described jump bit and the output shaft that impacts rotary components is equipped with mutually interlock or separates, the rear end that described spring is pressed on jump bit in advance makes the front end of jump bit and impacts the bite interlock of the output shaft of rotary components, the periphery of described mandrel is provided with the first groove, described the first groove is formed by connecting by one section right-handed screw groove and backpitch groove, the inner peripheral surface of described jump bit is provided with the second groove with the first groove coupling, described ball is contained in the first groove and the second groove, and described ball is connected on the described mandrel and allows that jump bit moves axially what jump bit rotated.
5. a kind of impact type electric compression joint as claimed in claim 4 or cutting nipper, it is characterized in that: the bite of described output shaft is the yi word pattern structure, the bite of described jump bit is two projections.
6. a kind of impact type electric compression joint as claimed in claim 5 or cutting nipper is characterized in that: power brick also is housed on the described housing, and described power brick is electrically connected by between switch module and the motor.
7. a kind of impact type electric compression joint as claimed in claim 6 or cutting nipper is characterized in that: the rear end of described sleeve extend in the housing and by clamp mechanism and clamps.
CN 201110419253 2011-12-15 2011-12-15 Impact type electric compression joint or shearing pliers Expired - Fee Related CN102416603B (en)

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CN102416603B true CN102416603B (en) 2013-01-30

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CN103949990A (en) * 2014-05-16 2014-07-30 苏州塔可盛电子科技有限公司 Break-in tongs with rotatable tong head
CN106092640B (en) * 2016-06-07 2019-04-16 保定冀开电力器材有限公司 Electric power network extra-high voltage electric line composite insulator Slice Sampling device
US20180175575A1 (en) * 2016-12-16 2018-06-21 Ridge Tool Company Tool heads and tool systems
CN108188291A (en) * 2018-01-29 2018-06-22 重庆埃力森金属制品有限公司 Tubing connection press fastening device
CN112847259B (en) * 2019-11-26 2022-12-06 苏州宝时得电动工具有限公司 Power tool and clamping device thereof
CN111224304B (en) * 2020-03-17 2024-06-04 上海沃恒机械设备有限公司 Rechargeable terminal pressing clamp
CN112647788B (en) * 2020-12-30 2022-07-12 浙江鼎立实业有限公司 Electric parking door hinge

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