CN101428405B - Clamp - Google Patents
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- CN101428405B CN101428405B CN2007101353284A CN200710135328A CN101428405B CN 101428405 B CN101428405 B CN 101428405B CN 2007101353284 A CN2007101353284 A CN 2007101353284A CN 200710135328 A CN200710135328 A CN 200710135328A CN 101428405 B CN101428405 B CN 101428405B
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- clamping device
- motor
- housing
- cam
- drive rod
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Abstract
The invention relates to a clamping device, comprising a casing, a fixed forceps holder which is fixedly connected with the casing, a moveable forceps holder which can move relative to the casing, a driving component which is arranged in the casing, a motor which is arranged in the casing, and a control element, wherein, the driving component can be connected to the moveable forceps holder; the motor can be connected to the driving component; and the control element which can be connected to the driving component can drive the driving component to enable the moveable forceps holder to move in an axial direction when the motor does not work. The clamping device has the beneficial effects of simple structure and easy manufacture. Moreover, the clamping device further comprises a manual control element which enables the clamping device to work under the conditions that the power supply is not available or enough. Therefore, the clamping device has two modes, that is, a manual mode and an electric mode, thereby providing great convenience for the operators.
Description
Technical field
Thereby the present invention relates to a kind of can be to the exert pressure device of clamping work pieces of workpiece.
Background technology
Clamping device is used to a plurality of fields at present, comprises machinery, carpenter etc., and difform clamping device can be applicable to different purposes.Same, traditional clamping device all needs manually to regulate the distance between the clamp, as introducing in the U.S. Pat 6367787.But manual adjustments time-consuming relatively is also more dull like this, and repeatedly unclamps or will make the workman feel fatigue during clamping work pieces when needs.Another shortcoming of the clamping device of manual adjustments is that unclamping of clamp or clamp speeds are slow.
In order to solve above-mentioned manual adjustments clamp apart from the problem that produces, disclose a kind of electronic mode among the U.S. Patent application US2007138724 and regulated the device of distance between the clamp, its transmission mechanism is similar to the driving mechanism of common electric drill.Because the driving mechanism of this device is to drive clamp by electric power to draw close or separate, so can be more laborsaving than manual adjustment means, quick.But this device can run into a problem, but power supply uses up and when can not find new power, this device just can not have been worked.When certain procedure was accomplished half, owing to clamping device can not be worked when whole work-piece is scrapped, it is more serious that problem just becomes.
Summary of the invention
The object of the present invention is to provide a kind of clamping device that can adopt manual, electronic two kinds of patterns adjusting clamp distance.
Another object of the present invention is to provide a kind of simple in structure, clamping device of being easy to produce.
The present invention solves the technical scheme that the prior art problem adopted:
A kind of clamping device comprises: housing; The fixedly clamp of fixedlying connected with housing; The mobile clamp that can move relative to housing; Be arranged on the transmission component in the housing, be operably connected to described mobile clamp; Be arranged at the motor in the housing, be operably connected to described transmission component, and provide mobile clamp axially movable driving force; It also comprises a control element, and this control element is operably connected to transmission component, and this control element can drive transmission component and mobile clamp produced move axially when motor is not worked; Described transmission component comprises: and the piston rod that can relative to housing (1) move fixedly connected with described mobile clamp, first drive rod and second drive rod that slide and connect with described piston rod, and the cam that drives described first drive rod and described second drive rod, the face of cylinder of described cam is a cam surface, this cam surface is made up of a raised floor and a decline face, and described cam surface can drive described first drive rod and described second drive rod simultaneously.
Described clamping device has manual, electronic two kinds of mode of operations, wherein drives mobile clamp continuous axial by motor in the electric model and moves, and by control element mobile clamp batch (-type) is moved axially in the manual mode.
Described control element is to be arranged on the housing and the trigger of rotor rotation.
In the described electronic mode of operation, described motor drives described cam rotation, and in the cam rotary course, energy is passed to described piston rod and mobile clamp from motor continuously.
Described transmission component also comprises the movable axis of fixedlying connected with cam, and described movable axis connects on motor can be driven rotation by motor, and can move axially with respect to motor again.
Described decline face is with respect to the motor axis almost parallel.
The described cam and first drive rod, second drive rod are respectively at first make contact, the mutual butt of second contact point, and the line angle in first make contact, second contact point and cam axle center is 210 degree.
Described first and second drive rods have the wheel that rolls and cooperate with the cam surface of described cam respectively.
Described housing comprises three sidewalls of the described piston rod of sliding support, described first drive rod and butt spring thereon are arranged between the first side wall and second sidewall, and described second drive rod and butt spring thereon are arranged between second sidewall and the 3rd sidewall.
The front end of described housing is a C type framework, and mobile clamp can be at the frame openings place moves towards fixing clamp.
Described clamping device also comprises the check lock lever with through hole, and piston rod passes the through hole setting, and check lock lever can be pressed the extrusion piston bar; And the converter that between first and second positions, switches, on the primary importance, allow check lock lever to be pressed the extrusion piston bar, on the second place, overcome pressure, check lock lever is maintained on the position that piston rod can move freely in through hole.
Be provided with spring between described check lock lever and the housing.
Described converter comprises the semi-circular ends that contacts with check lock lever, when converter when primary importance rotates to the second place, check lock lever is transformed into from the extrusion piston bar and unclamps piston rod.
Be provided with the switch that can switch on or off motor power in the described housing.
Also be provided with the lug boss of energy gauge tap on the described control element.
Compared with prior art, the invention has the beneficial effects as follows: clamping device simple in structure, be easy to produce, and this clamping device comprises a manual control element, make clamping device under the situation that does not have power supply or power supply deficiency, also can work, have manual and electronic two kinds of patterns, make the operator very convenient.
Description of drawings
Fig. 1 is the schematic diagram that the present invention is in original state.
Fig. 2 is the enlarged drawing of A part among Fig. 1.
Fig. 3 is the schematic diagram of cam of the present invention.
Fig. 4 is the cutaway view of C-C among Fig. 2.
Fig. 5 is the schematic diagram that the present invention is in driving condition.
Fig. 6 is the enlarged drawing of B part among Fig. 5.
Wherein,
1 housing, 11 the first side walls, 12 second sidewalls
13 the 3rd sidewalls, 14 frameworks 15 are clamp fixedly
16 move clamp 17 holes 2 piston rods
3a, 3b drive rod 31a, 31b through hole 32a, 32b contact point
33a, 33b wheel 34a, 34b spring 35a, 35b contact point
4 cams, 40 cam surfaces, 41 raised floors
42 decline faces, 5 movable axis, 51 first ends
52 second ends, 53 balls, 54 springs
6 motors, 60 motor axis, 61 batteries
62 leads, 63 switches, 64 torsion springs
7 triggers, 71 pivoting points, 72 lug bosses
73 first ends, 74 second ends, 8 converters
81 semi-circular ends, 82 check lock levers, 83 springs
84 through hole P, the Q angle
The specific embodiment
As shown in Figure 1, the present invention has disclosed a kind of clamping device, and is the same with prior art, include housing 1, be provided with the work package of clamping device in the inside of housing, and the front end of housing 1 is a C type framework 14, needs clamped workpiece to put into from the opening part of C type framework 14.Opening part at C type framework 14 is fixed with a fixedly clamp 15, and what face with it is a mobile clamp 16, and this moves clamp 16 and can move with respect to housing 1 at the frame openings place.Put into the opening part of C type framework 14 when workpiece after, mobile clamp 16 diminishes towards the fixing mobile distance between the two that makes of clamp 15, finally can clamping work pieces.
Be provided with first, second, third sidewall 11,12,13 in the housing 1, have a piston rod 2 to pass all sidewalls, be arranged on the clamping device housing 1 movably, and housing 1 move axially relatively.This piston rod 2 is fixedlyed connected with mobile clamp 16, and promptly moving axially of piston rod 2 can drive moving axially of mobile clamp 16.
In conjunction with enlarged drawing 2, motor 6 has a motor axis 60, and being connected with motor 6 can be with respect to motor 6 axially movable movable axis 5, and first end 51 of this movable axis 5 is inserted in the motor 6 and can be driven around motor axis 60 rotations by motor 6 again.The structure that adopts between motor 6 and the movable axis 5 is conventional connected modes such as flat side or spline.Second end 52 of movable axis 5 extend in the hole 17 of housing 1.Also be provided with spring 54 in hole 17, an end of spring 54 is against on the ball 53, and ball 53 is connected to again on second end 52 of movable axis 5.Move axially energy pressuring spring 54 when movable axis 5 produces like this, after the external motivating force disappearance that movable axis 5 is subjected to, this spring 54 just can order about movable axis 5 and be returned to initial position.
Simultaneously, fixedly connected a cam 4 on the movable axis 5, when movable axis 5 moves axially, can drive cam 4 and move axially together.In conjunction with shown in Figure 3, the face of cylinder of present embodiment cam 4 is a cam surface 40, and this cam surface 40 is made up of a raised floor 41 and a decline face 42.The decline face 42 of cam 4 is the slope forms that reduce gradually, is provided with 5 one-tenth P angles of movable axis, with respect to the motor axis almost parallel.
In this preferred embodiment, two drive rod 3a, 3b have been connected with piston rod 2 slips.The first drive rod 3a and spring 34a are arranged between first and second sidewalls 11,12; The second drive rod 3b and spring 34b are arranged between the second and the 3rd sidewall 12,13.The first drive rod 3a is long than the second drive rod 3b.Drive rod 3a, 3b are provided with through hole 31a, the 31b that is used for accommodating piston rod 2.Piston rod 2 is columniform in the present embodiment, and through hole 31a, 31b also are circular, and the diameter of this piston rod 2 is slightly less than the diameter of through hole 31a, 31b.Certainly the shape of piston rod 2 and through hole 31a, 31b still is other shape, as hexagon, square or the like.
In conjunction with shown in Figure 4, the first and second drive rod 3a, each pivot of an end of 3b is provided with a wheel 33a, and 33b, this wheel 33a, 33b roll with the cam surface 40 of cam 4 and cooperate.The wheel 33a of cam surface 40 and first, second drive rod 3a, 3b, 33b is respectively at first make contact 35a, the mutual butt of the second contact point 35b.The line angle Q in first make contact 35a and the second contact point 35b and cam axle center is 210 degree.Certainly, the angle between them can be between 120 to 240 degree, and 180 degree are optimum efficiency in theory, still consider other reasonses such as error, and both are set to roughly become 210 degree at present, also can adjust as required again.The first and second drive rod 3a, 3b can be with respect to movable axis 5 upper and lower or left and right settings, the first and second drive rod 3a in the present embodiment, 3b is with respect to movable axis 5 left and right settings.
Described piston rod 2, drive rod 3a, 3b, cam 4 and movable axis 5 have been formed transmission component.Can drive mobile clamp 16 by this transmission component moves towards fixing clamp 15.
As shown in Figure 1, on housing 1, also be provided with the control element 7 that an energy driving cam 4 moves.In the present embodiment be one can be around the trigger 7 that is arranged on pivoting point 71 rotation on the housing 1.First end 73 of trigger 7 is connected on the cam 4, and second end 74 is operator's grip part.Also be provided with the lug boss 72 of an energy gauge tap 63 at the middle part of trigger 7.This switch 63 is oppressed by lug boss 72 among Fig. 1, and the contact of switch 63 is not closed, and has at this moment just cut off the power supply of motor 6; Be depressed when trigger 7 among Fig. 5, lug boss 72 has just unclamped switch 63, makes switch 63 contact that closes under the effect of torsion spring 64, has at this moment just connected the power supply of motor 6.
In conjunction with illustrated in figures 1 and 2, on shell 1, also be provided with a converter 8, connect a check lock lever 82 with converter 8 with through hole 84, piston rod 2 passes through hole 84 and is provided with.Be provided with spring 83 between check lock lever 82 and the housing 1, spring 83 is compressed when original state, makes check lock lever 82 can be pressed extrusion piston bar 2.Described converter 8 has a semi-circular ends 81 that contacts with check lock lever 82, and converter 8 can be rotated between first and second positions around self axis and switches.As shown in Figure 1, on the primary importance, check lock lever 82 is at the pressure of the spring 83 extrusion piston bar 2 that has a down dip; As shown in Figure 5, on the second place, semi-circular ends 81 presses check lock lever 82, thereby overcomes the pressure of spring 83, and check lock lever 82 is maintained on the position that piston rod 2 can move freely in through hole 84.
To realize that below manual operating process is described as follows: when clamping device packed battery and when needing clamping work pieces again not, must earlier converter 8 be transformed into primary importance, as shown in Figure 1, at this moment check lock lever 82 is pressed extrusion piston bar 2, both self-lockings.Cocking 7, at this moment first end, 73 actuating cams 4 and the movable axis 5 of trigger 7 move forward together, make cam 4 promote first, second drive rod 3a, and 3b makes it solderless wrapped connection contact 32a, and 32b (shown in Figure 6) rotates to and piston rod 2 engagements.As shown in Figure 5, continue cocking 7, because first, second drive rod 3a, 3b and piston rod 2 self-locking move forward so just can promote piston rod 2, move forward clamping work pieces thereby control mobile clamp 16.And when unclamping trigger 7, owing to there has not been thrust, the first and second drive rod 3a, 3b resets under the effect of spring force fast, gets back to initial position as shown in Figure 1, at this moment because check lock lever 82 and piston rod 2 are in self-locking state, piston rod 2 can not move backward, so continuous cocking 7 just can the manual operation clamping device, makes the mobile clamp 16 batch (-type) earth's axis to moving.
To realize that below electronic operating process is described as follows: when needs electrical clip clamping of workpieces, at first converter 8 is transformed into the second place, as shown in Figure 5, check lock lever 82 is maintained on the position that piston rod 2 can move freely in through hole 84.Cocking 7, lug boss 72 has just unclamped switch 63, makes switch 63 contact that closes under the effect of torsion spring 64, has at this moment just connected the connection between motor 6 and the battery 61, and motor 6 just can task driven movable axis 5 drives cams 4 and rotates together.In addition, at this moment first end, 73 actuating cams 4 and the movable axis 5 of trigger 7 move forward together, make the cam 4 and the first and second drive rod 3a, the wheel 33a of 3b, 33b cooperates, and then promotes first, second drive rod 3a, and 3b makes it solderless wrapped connection contact 32a, 32b rotates to and piston rod 2 engagements, reaches the state shown in Fig. 5.In conjunction with shown in Figure 4, cam 4 rotations this moment make its raised floor 41 drive the first drive rod 3a and piston rod 2 moves forward, and this moment, the second drive rod 3b also was on the position that connects with decline face 42.When cam 4 continuation rotations, the second drive rod 3b can slowly contact with raised floor 41, and is same, and the rotation of cam 4 makes raised floor 41 drive the second drive rod 3b and piston rod 2 moves forward, and the first drive rod 3a is on the position that connects with decline face 42 simultaneously.Because some frictions in the reality and the relation of error; so in the present embodiment; the area of raised floor 41 is bigger than the area of decline face 42; and first, second drive rod 3a; the position of 3b on cam surface 40 is 210 degree and is provided with; make first, second drive rod 3a, there be the overlapping of part the time that 3b piston rod 2 moves forward, drives stable better that mobile clamp 16 moves forward to guarantee piston rod 2.Pin trigger 7 and do not loose one's grip, what motor 6 drives were above-mentioned can drive mobile clamp 16 constantly a cover transmission component, realizes the electric operating clamping device, and mobile clamp 16 is moved axially continuously.
When the primary importance of converter 8 in Fig. 1, check lock lever 82 is in self-locking state with piston rod 2, and at this moment piston rod 2 cannot move backward with respect to housing 1.When converter 8 during in the second place, check lock lever 82 is in released state with piston rod 2, and at this moment piston rod 2 can move backward with respect to housing 1.This shows, when needs with piston rod 2 when pulling makes clamp unclamp workpiece, must make converter 8 be in the second place.
The present invention still has multiple concrete embodiment, can be other elements movably such as push button as: control element; Perhaps be provided with in housing and have only a drive rod, the structure of clamping device is just simpler like this; Perhaps cam surface is arranged to comprise more precipitous decline face relatively, the stability that piston rod is moved is better.In addition, also not only being confined to use cam in the transmission component of clamping device, can also be known other transmission mechanism of technical staff of industry, as rack-and-pinion or the like, only changing its kind of drive and realize manual, electronic two kinds of mode of operations, all is within the scope of the present invention.
Claims (15)
1. clamping device comprises:
Housing (1);
The fixedly clamp (15) of fixedlying connected with housing (1);
The mobile clamp (16) that can move relative to housing (1);
Be arranged on the transmission component in the housing (1), be operably connected to described mobile clamp (16);
Be arranged at the motor (6) in the housing (1), be operably connected to described transmission component, and the driving force that mobile clamp (16) generation is moved is provided, make clamping device have electronic mode of operation;
It is characterized in that: it also comprises a control element (7), this control element (7) is operably connected to transmission component, motor (6) when not working this control element (7) can drive transmission component and mobile clamp (16) is produced move axially, to make clamping device have manual mode of operation again; Described transmission component comprises: and the piston rod (2) that can relative to housing (1) move fixedly connected with described mobile clamp (16), first drive rod (3a) and second drive rod (3b) that slide and to connect with described piston rod (2), and the cam (4) that drives described first drive rod (3a) and described second drive rod (3b), the face of cylinder of described cam (4) is cam surface (40), this cam surface (40) is made up of a raised floor (41) and a decline face (42), and described cam surface (40) can drive described first drive rod (3a) and described second drive rod (3b) simultaneously.
2. clamping device according to claim 1 is characterized in that: drive mobile clamp (16) continuous axial by motor (6) in the described electric model and move, by control element (7) mobile clamp (16) batch (-type) is moved axially in the described manual mode.
3. clamping device according to claim 2 is characterized in that: described control element is the trigger (7) that is arranged on the housing (1) and rotor rotates.
4. clamping device according to claim 3, it is characterized in that: in the described electronic mode of operation, described motor (6) drives described cam (4) rotation, and in cam (4) rotary course, energy is passed to described piston rod (2) and mobile clamp (16) from motor (6) continuously.
5. clamping device according to claim 4, it is characterized in that: described transmission component also comprises the movable axis (5) of fixedlying connected with cam (4), described movable axis (5) connects on motor (6) can be driven rotation by motor (6), and can move axially with respect to motor (6) again.
6. clamping device according to claim 5 is characterized in that: described decline face (42) is with respect to motor axis (60) almost parallel.
7. clamping device according to claim 1, it is characterized in that: described cam (4) and first drive rod (3a), second drive rod (3b) are respectively at first make contact (35a), the mutual butt of second contact point (35b), and the line angle in first make contact (35a), second contact point (35b) and cam axle center is 210 degree.
8. clamping device according to claim 7 is characterized in that: described first and second drive rods (3a, 3b) have respectively with the cam surface (40) of described cam (4) roll the wheel that cooperates (33a, 33b).
9. clamping device according to claim 8, it is characterized in that: described housing (1) comprises three sidewalls (11 of the described piston rod of sliding support (2), 12,13), described first drive rod (3a) and butt spring (34a) thereon is arranged between the first side wall (11) and second sidewall (12), and described second drive rod (3b) and butt spring (34b) thereon is arranged between second sidewall (12) and the 3rd sidewall (13).
10. clamping device according to claim 1 is characterized in that: described housing (1) front end is a C type framework (14), and described mobile clamp (16) can be at the frame openings place towards fixedly clamp (15) is mobile.
11. according to any clamping device described in the claim 1-10, it is characterized in that: described clamping device also comprises the check lock lever (82) with through hole (84), piston rod (2) passes through hole (84) setting, and check lock lever (82) can be pressed extrusion piston bar (2); And the converter that between first and second positions, switches (8), on the primary importance, allow check lock lever (82) to be pressed extrusion piston bar (2), on the second place, overcome pressure, check lock lever (82) is maintained on the position that piston rod (2) can move freely in through hole (84).
12. clamping device according to claim 11 is characterized in that: be provided with spring (83) between described check lock lever (82) and the housing (1).
13. clamping device according to claim 12, it is characterized in that: described converter (8) comprises the semi-circular ends (81) that contacts with check lock lever (82), when converter (8) when primary importance rotates to the second place, check lock lever (82) is transformed into from extrusion piston bar (2) and unclamps piston rod (2).
14. any clamping device according to described in the claim 1-10 is characterized in that: be provided with the switch (63) that can switch on or off motor (6) power supply in the described housing (1).
15. clamping device according to claim 14 is characterized in that: the lug boss (72) that also is provided with energy gauge tap (63) on the described control element (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101353284A CN101428405B (en) | 2007-11-05 | 2007-11-05 | Clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101353284A CN101428405B (en) | 2007-11-05 | 2007-11-05 | Clamp |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110257325 Division CN102328281B (en) | 2007-11-05 | 2007-11-05 | Clamping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101428405A CN101428405A (en) | 2009-05-13 |
| CN101428405B true CN101428405B (en) | 2011-12-07 |
Family
ID=40644158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101353284A Expired - Fee Related CN101428405B (en) | 2007-11-05 | 2007-11-05 | Clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101428405B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102554816A (en) * | 2010-12-16 | 2012-07-11 | 苏州宝时得电动工具有限公司 | Clamping accessory |
| CN108591020B (en) * | 2017-01-06 | 2020-05-01 | 苏州欧圣电气股份有限公司 | Air compressor device |
| WO2020056490A1 (en) * | 2018-09-19 | 2020-03-26 | Tory Weber | Clamping device with force sensing |
| CN109227435B (en) * | 2018-10-18 | 2024-02-20 | 锐维精密金属制造（上海）有限公司 | Camera part processing fixing tool |
| DE102020127038A1 (en) | 2020-10-14 | 2022-04-14 | Bessey Tool Gmbh & Co. Kg | ferrule tool jig |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4605208A (en) * | 1985-04-04 | 1986-08-12 | Durham Randy E | Combination automatic and manual vise apparatus |
| US4770401A (en) * | 1986-09-08 | 1988-09-13 | Donaldson Humel J | Powered C-clamp apparatus |
| CN87206380U (en) * | 1987-04-11 | 1988-11-16 | 郭仁兴 | Quick multipurpose vice |
| CN1087048A (en) * | 1992-10-06 | 1994-05-25 | 约瑟夫·勒格尔 | Clamp and warp tool |
| CN201102199Y (en) * | 2007-11-07 | 2008-08-20 | 苏州宝时得电动工具有限公司 | Clamp |
-
2007
- 2007-11-05 CN CN2007101353284A patent/CN101428405B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4605208A (en) * | 1985-04-04 | 1986-08-12 | Durham Randy E | Combination automatic and manual vise apparatus |
| US4770401A (en) * | 1986-09-08 | 1988-09-13 | Donaldson Humel J | Powered C-clamp apparatus |
| CN87206380U (en) * | 1987-04-11 | 1988-11-16 | 郭仁兴 | Quick multipurpose vice |
| CN1087048A (en) * | 1992-10-06 | 1994-05-25 | 约瑟夫·勒格尔 | Clamp and warp tool |
| CN201102199Y (en) * | 2007-11-07 | 2008-08-20 | 苏州宝时得电动工具有限公司 | Clamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101428405A (en) | 2009-05-13 |
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Granted publication date: 20111207 Termination date: 20171105 |