CN102975142B - Fixture - Google Patents
Fixture Download PDFInfo
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- CN102975142B CN102975142B CN201210150674.0A CN201210150674A CN102975142B CN 102975142 B CN102975142 B CN 102975142B CN 201210150674 A CN201210150674 A CN 201210150674A CN 102975142 B CN102975142 B CN 102975142B
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- lever
- pedestal
- guide rail
- fixture
- guide pillar
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- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
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Abstract
A fixture comprises a base frame, a fixed guide rail, a fixed jaw, a movable guide rail, a driving mechanism and a locking mechanism, wherein the fixed jaw comprises a first clamping face, a movable jaw is arranged at one end of the movable guide rail and comprises a second clamping face arranged opposite to the first clamping face, and the locking mechanism comprises a guide pillar connected with the driving mechanism in a pivoted mode, a lock knob arranged on the base frame in a sliding mode, a swing seat arranged on the base frame in a pivoted mode, a connecting rod connected to the lock knob and the swing seat, and a spring arranged on the connecting rod in a sleeved mode. A holding hole which holds the guide pillar is formed in the swing seat, the guide pillar is provided with an arc part matched with the holding hole, and the lock knob moves between a locking position where the guide pillar and the holding hole are clamped and a releasing position where the guide pillar is allowed to move relative to the holding hole. Locking travel or releasing travel of the locking mechanism of the fixture is short.
Description
Technical field
The present invention relates to a kind of fixture.
Background technology
Traditional fixture is fixedly mounted on fitter's bench, is used for clamping by holding workpiece, is convenient to craft or the machinings such as pincers worker is filed workpiece, saw.But its clamping mostly adopts screw-nut structure, in the process of clamping work pieces, need operator one hand steered by holding workpiece, another hand operated screw mandrel carries out clamping work pieces, but adopts the structure of feed screw nut, clamps slow, inconvenient.And in operation, if comparatively large by holding workpiece, when needing operator's two hands to help, operator is just difficult to operation simultaneously.
Based on the problems referred to above, research staff has carried out some and has improved, and devises the fixture being carried out holding workpiece by foot-operated mode.As shown in Figure 1, retaining mechanism comprises the linear guide pillar 2 being pivotally connected to driving mechanism 1, the cage knob 4 be slidably arranged on pedestal 3, pivotable are arranged on the swing seat 5 on pedestal 3, the connecting rod 6 be connected in cage knob 4 and swing seat 5, the spring 7 be set on connecting rod 6, wherein swing seat 5 is provided with the accepting hole of collecting linear guide pillar 2, and cage knob 4 is at locked position craspedodrome line guide pillar 2 and accepting hole clamped and allow to move between the off-position (double dot dash line) of linear guide pillar 1 relative to accepting hole movement.The program is designed to linear due to guide pillar 1, and to clamping or release guide pillar 1, the shift motion H of cage knob 3 is at least 60mm.Therefore, the program makes the locking of cage knob 3 or unlocks stroke very long, is inconvenient to operate.
Summary of the invention
The technical problem to be solved in the present invention: provide a kind of fixture, this fixture has the shorter retaining mechanism of locking stroke.
The present invention solves the technical scheme that first technical problem adopts: a kind of fixture, comprising: the pedestal extended along lengthwise, and described pedestal comprises the pedestal support body that is anterior and that be connected with pedestal front portion near operator, be located at and described support body determines guide rail, that is located at the anterior and support body junction of pedestal determines jaw, describedly determines jaw and comprises and be arranged on described the first clamping face determined on guide rail or described pedestal front portion, be slidably arranged in the described dynamic guide rail determined on guide rail, described dynamic guide rail one end is provided with movable clamp port, and described movable clamp port comprises the second clamping face be oppositely arranged with described first clamping face, be arranged on described pedestal for driving described dynamic guide rail relative to the described driving mechanism determining slide, retaining mechanism for locking described movable clamp port is installed between wherein said pedestal and driving mechanism, described retaining mechanism comprises the guide pillar being pivotally connected to described driving mechanism, be slidably arranged in the cage knob on pedestal, pivotable is arranged on the swing seat on pedestal, be connected to the connecting rod in cage knob and swing seat, be set in the spring on connecting rod, wherein said swing seat is provided with the accepting hole of collecting guide pillar, described guide pillar has the curved portions coordinated with described accepting hole, described cage knob is at the locked position described guide pillar and described accepting hole clamped and allow to move between the off-position of described guide pillar relative to described accepting hole movement.
Compared with prior art, beneficial effect of the present invention: guide pillar has the curved portions coordinated with described accepting hole, makes cage knob move less distance and just can clamp or discharge guide pillar, thus reduce the locking of cage knob or unlock stroke, make this fixture operation convenient.
Preferably, described driving mechanism comprise the lever be connected with described pedestal pivotable be connected with lever pivots and with the propulsion arms of projection, the stop part be arranged on pedestal, be arranged on the bias piece between propulsion arms and lever and be arranged on the groove on described dynamic guide rail, described bias piece impels described projection all the time towards the direction with described engagement, described fixture drive described projection the state of described engagement and and the described groove state of throwing off between move, and described projection is in disengaged condition, described stop part is used for propulsion arms described in backstop.
Preferably, on described lever, pivotable is provided with foot-operated assembly.
Preferably, the radius of described curved portions equals the axis of described lever around pedestal pivotable to the distance of described foot-operated assembly between the axis of described lever pivots.
Preferably, the radius of described curved portions is more than or equal to 276mm, and is not more than 402mm.
Preferably, between described pedestal and described lever, be provided with flexible member, described lever has initial position and most lower position, and described lever is remained at initial position by described flexible member.
Preferably, the drive rod that described lever comprises connecting rod and is fixedly connected with connecting rod, one end of wherein said connecting rod is connected with described propulsion arms, and described flexible member is arranged between the other end of described pedestal and described connecting rod.
Preferably, described lever comprises the first bending part, and described first bending part towards the bending of workbench direction, and is positioned at outside workbench.
Preferably, described lever also comprises with the first bending part back to the second bending part arranged, the workbench direction bending dorsad of described second bending part.
Preferably, the center of circle of described curved portions is positioned in the face of described side of determining jaw.
Accompanying drawing explanation
Fig. 1 is the front view of fixture in prior art.
Fig. 2 is the schematic perspective view that in first embodiment of the invention, fixture is arranged on workbench.
Fig. 3 is the schematic perspective view of fixture in first embodiment of the invention.
Fig. 4 is the cut-away view of fixture in first embodiment of the invention, and now lever is in initial position.
Fig. 5 is the cut-away view of fixture in first embodiment of the invention, and now lever is in most lower position.
Fig. 6 is the front view of fixture in first embodiment of the invention.
Fig. 7 is the sectional perspective exploded view of fixture and workbench in first embodiment of the invention.
Fig. 8 is the sectional perspective schematic diagram of fixture in first embodiment of the invention, now removes pedestal front portion.
Fig. 9 is that in first embodiment of the invention, fixture installs cut-away view on the table, and wherein workbench does not cut open and shows, fixture is in locked position.
Wherein
30, fixture 72, drive rod 114, nut
32, workbench 74, first end 116, side
33, work top 76, the second end 117, rubber ring
34, pedestal 78, bias piece 118, retaining mechanism
35, side 82, stop block 120, guide pillar
36, pedestal front portion 83, first axle 122, cage knob
37, supporting leg 84, the 3rd clamping face 124, connecting rod
38, support body 85, the first bending part 125, bearing pin
40, determine guide rail 86, the second bending part 126, swing seat
42, dynamic guide rail 88, guider 128, spring
44, determine jaw 90, counterpart 130, accepting hole
46, movable clamp port 92, guide rail 131, curved portions
48, first clamping face 93, the center of circle 132, bayonet lock
50, second clamping face 94, first linkage section 133, the center of circle
52, driving mechanism 96, vertical linkage section 134, first limited block
54, foot-operated assembly 98, pedal 135, the second limited block
56, pivotal axis 100, coupling part 136, pivot
57, pivotal axis axis 102, foot section 140, fixture
58, lever 103, hole 142, fixed head
60, projection 104, bolt 144, nut
62, propulsion arms 105, sleeve 146, screw rod
63, rotating shaft 106, support member 148, knob
64, stop part 108, screw 152, the first location-plate
65, spacer pin 110, the first side plate 154, second location-plate
66, groove 112, the second side plate 160, locating hole
68, flexible member 113, connecting portion 162, protruding
70, connecting rod
Detailed description of the invention
Below in conjunction with accompanying drawing and preferred embodiment, the invention will be further described.
As shown in Figure 2, a kind of fixture 30, for being placed on holding workpiece on workbench 32.Certainly, fixture 30 also can arrange supporting leg, so just need not place on the table.Fixture 30 comprises pedestal 34.Support body 38 that pedestal 34 comprises pedestal anterior 36 and is connected with pedestal anterior 36, wherein pedestal front portion 36 is positioned at outside workbench 32 near operator; Support body 38 major part that lengthwise extends is positioned at the top of workbench 32.Support body 38 is not solid construction, but comprises two side plates be oppositely arranged.Biside plate can be closed, also can in order to increase rigidity and reduce weight and be provided with hollow out, and certainly, the configuration of hollow out can be triangle, quadrangle or other similar shape.In describing the invention, unless otherwise noted, the direction term related to, as left, right, front and rear, upper and lower etc., be all with fixture 30 by direction during normal operating for reference.As being the front side of fixture near operator, be the rear side of fixture away from operator.
Workbench 32 comprise for placing clamp 30 work top 33, with the vertically disposed side 35 of work top 33 and the supporting leg 37 that is connected with work top 33.
As shown in Figure 3, fixture 30 comprises being fixed on support body 38 determines guide rail 40, relative to determining the dynamic guide rail 42 of guide rail 40 movement and determining jaw 44 and be arranged at the movable clamp port 46 on dynamic guide rail 42.Wherein dynamic guide rail 42 is slidably arranged on along E direction and determines on guide rail 46.Determine jaw 46 near operator, be fixedly installed on pedestal anterior 36 or determine the front end of guide rail 40, be namely positioned at the junction of pedestal front portion 36 and support body 38; Movable clamp port 46 is fixedly installed on one end of dynamic guide rail 42.
Determine jaw 44 and comprise the first clamping face 48 for contacting with workpiece.Movable clamp port 46 comprises the second clamping face 50 for contacting with workpiece, and wherein the second clamping face 50 is arranged back to dynamic guide rail 42.First clamping face 48 and the second clamping face 50 are oppositely arranged, and define the first clamping zone for holding workpiece.
The foot-operated assembly 54 that fixture 30 also comprises the driving mechanism 52 be arranged on pedestal 34, is connected with driving mechanism 52 pivotable, wherein foot-operated assembly 54 operationally impels driving mechanism 52 to drive movable clamp port 46 relative to determining jaw 44 to move.
As shown in Figure 4 and Figure 5, driving mechanism 52 comprises the lever 58 be connected with foot-operated assembly 54 pivotable and to be connected with lever 58 pivotable and with the propulsion arms 62 of projection 60, the stop part 64 be arranged on support body 38, the groove 66 that is arranged on the bias piece 78 between propulsion arms 62 and lever 58 and is arranged on dynamic guide rail 42, its further groove 66 is arranged along the longitudinal direction of dynamic guide rail 42, and bias piece 78 impels projection 60 all the time towards the direction of engaging with groove 66.Lever 58 drive projection 60 the state engaged with groove 66 and and groove 66 state of throwing off between move.When projection 60 is in engagement, because projection 60 engages with groove 66, the pivoting action of lever 58 will promote projection 60 and drive dynamic guide rail 42 to move.Projection 60 is in the disengaged condition with groove 66, and stop part 64 contacts with propulsion arms 62 and is used for backstop propulsion arms 62 pivotable.
Lever 58 is arranged on support body 38 rotationally by pivotal axis 56, thus lever 58 rotates around pivotal axis axis 57 under the driving of foot-operated assembly 54.
Lever 58 has initial position and most lower position.At initial position, as shown in Figure 4, fixture 30 is in original state, and now, projection 60 is in the state of throwing off with groove 66, and stop part 64 contacts with propulsion arms 62 and is used for backstop propulsion arms 62 pivotable; In most lower position, as shown in Figure 5, projection 60 is in the state engaged with groove 66, and lever 58 is switched to most lower position around pivotal axis axis 57.
Between lever 58 and support body 38, be provided with flexible member 68, flexible member 68 provides active force lever 58 being remained on initial position.In the present embodiment, flexible member is extension spring 68, and certainly, this flexible member can also be stage clip, torsion spring etc.
The drive rod 72 that lever 58 comprises connecting rod 70 and is fixedly connected with connecting rod 70, wherein connecting rod 70 comprises the first end 74 be connected with propulsion arms 62 and the second end 76 be oppositely arranged with first end 74, and flexible member 68 is arranged between support body 38 and the second end 76 of connecting rod 70.
Propulsion arms 62 is arranged on connecting rod 70 by rotating shaft 63 is pivotable, and in the present embodiment, bias piece 78 is torsion spring, in this rotating shaft 63 sheathed.Certainly, here bias piece also can also be stage clip, extension spring or other can provide the structure of propulsion arms 62 pivotable restoring force.
One end of propulsion arms 62 is provided with projection 60, and the other end is provided with the stop block 82 selectively coordinated with stop part 64.At initial position, stop block 82 coordinates with stop part 64, thus propulsion arms 62 can not be rotated towards the direction of engaging with groove 66.
Foot-operated assembly 54 is arranged on lever 58 around first axle 83 is pivotable.Again see Fig. 4, lever 58 is in initial position, and now, fixture 30 is in original state.During work, step on foot-operated assembly 54, foot-operated assembly 54 drives lever 58 to be rotated down around pivotal axis axis 57, and now, propulsion arms 62 is under the effect of lever 58, move forward, stop block 82 in propulsion arms 62 is thrown off and the coordinating of stop part 64, and under the effect of torsion spring 78, the projection 60 of propulsion arms 62 enters the state engaged with groove 66, then because operator continues to drive lever 58 to move pivotally to most lower position by foot-operated assembly 54, as shown in Figure 5.Continue in the process of pivotable at lever 58, lever 58 promotes projection 60 and drives dynamic guide rail 42 pushed forward certain distance, makes movable clamp port 46 relative to determining jaw 44 to move.
Because stop part 64 coordinates with stop block 82, when lever 58 by operation do rotate around pivotal axis axis 57 time, propulsion arms 62 can be impelled to throw off rapidly and the coordinating of stop part 64, thus the projection 60 in propulsion arms 62 is engaged with groove 66 rapidly.Accelerate the translational speed of dynamic guide rail 42 like this.
Unclamp foot-operated assembly 54, under the effect of extension spring 68, lever 58 rotates up around pivotal axis axis 57, and reply initial position, now, fixture 30 is returned to original state.Propulsion arms 62, under the effect of lever 58, moves backward, until the stop block 82 of propulsion arms 62 contacts with stop part 64, now, projection 60 and groove 66 depart from.So repeat to step on foot-operated assembly 54 and the foot-operated assembly 54 of release, just can determine jaw 44 together with movable clamp port 46 is close forward fast by dynamic guide rail 42, so just by Workpiece clamping that the mode ridden will be positioned in the first clamping zone rapidly.
Driving mechanism 52 has two states.Under fixture 30 is in original state, driving mechanism 52 is in the first state, driving mechanism 52 disengaging is engaged with dynamic guide rail 42, and now projection 60 is thrown off with groove 66 all the time under the effect of stop part 64, and so the dynamic guide rail 42 of operation just can make guide rail 42 Rapid Relative move in determining guide rail 40.And when driving mechanism 52 is in the second state, operating parts is engaged with groove 66 by the projection 60 operatively impelled in driving mechanism 52, thus dynamic guide rail 42 is driven to move relative to determining guide rail 40.
So when operator needs holding workpiece, can according to the size of workpiece, first under fixture 30 is in original state, mobile dynamic guide rail 42, makes the second clamping face 50 of movable clamp port 46 near workpiece fast; And then move guide rail 42 according to the movement of above-mentioned method speed stabilizing, workpiece is clamped between the first clamping face 48 and the second clamping face 50.
Certainly, under being in original state at fixture 30, now, projection 60 is thrown off with groove 66 all the time under the effect of stop part 64, as shown in Figure 6, operator also can as required, changes direction and be installed on and determine, on guide rail 40, can expand the clamping range of fixture 30 like this after being pulled out completely by dynamic guide rail 42.
Again see Fig. 6, movable clamp port 46 also comprises the 3rd clamping face 84 for contacting with workpiece, and wherein the 3rd clamping face 84 is arranged towards dynamic guide rail 42.After dynamic guide rail 42 is completely pulled out of, change direction be arranged on and determine on guide rail 40, the 3rd clamping face 84 and the first clamping face 48 are oppositely arranged, and form the second clamping zone being used for holding workpiece.And second the clamping range of clamping zone much larger than the clamping range of the first clamping zone.
But, in order to prevent, moving after guide rail 42 pulls out completely, trampling to maloperation foot-operated assembly 54, and make the projection 60 in propulsion arms 62 upwards rotate under the effect of torsion spring 78, with support body 38 or determine guide rail 40 hard collision occurs.So be also provided with spacer pin 65 in propulsion arms 62, as shown in Figure 3 and Figure 4.After if will move, guide rail 42 pull out completely, trample to maloperation foot-operated assembly 54, after projection 60 upwards turns to certain position under the effect of torsion spring 78, spacer pin 65 or can determine guide rail 40 and contact with support body 38, thus effectively prevent projection 60 and support body 38 or determine guide rail 40 hard collision occurs.
Again see Fig. 5, in order to make the structure of fixture 30 compacter, and lever 58 has enough strength to order about dynamic guide rail 42 relatively determines guide rail 40 and slide.Lever 58 comprises the first bending part 85, first bending part 85 is towards the bending of workbench 32 direction, and when lever 58 is in initial position or most lower position, the first bending part 85 is positioned at outside workbench 32, like this, lever 58 just can be avoided to collide with workbench 32 in rotation process.
In order to make lever 58, there is stronger rigidity.Lever 58 also comprises and bending in workbench 32 direction dorsad back to the second bending part 86, second bending part 86 arranged with the first bending part 85, and is connected with foot-operated assembly 54.
Design lever 58 like this, can in effective space, increases the effective length of lever 58, and meeting lever 58 has enough strength to order about dynamic guide rail 42 to move relative to determining guide rail 40.Here, effective length is the distance between the axis 57 of the rotation (with first axle 83) of foot-operated assembly 54 and the pivotal axis 56 of lever 58.Effective length choose and the pass of foot-operated assembly 54 is: the foot-operated lengthwise development length of assembly 54 and the ratio of effective length are greater than 1, and wherein preferably ratio range can be 1.5 to 3, and ratio is preferably 1.8 to 2.5.
As shown in Figure 4, lever 58 at initial position, foot-operated assembly 54 around the projection of first axle 83 on work top 33 be positioned at pedestal front portion 36.And this first axle 83 is basic concordant with work top 33; As shown in Figure 5, lever 58 in most lower position, foot-operated assembly 54 around the projection of first axle 83 on work top 33 be positioned at support body 38.
With further reference to Fig. 5, Fig. 6 and Fig. 7, in order to make can be more steady when operating foot-operated assembly 54, or in order to avoid making to occur between foot-operated assembly 54 and the supporting leg 37 of workbench 32 hard collision due to the exerting all one's strength improper of operator, fixture 30 is also provided with guider 88.Certain fixture 30 also can be arranged to the supporting leg comprising support foundation, and fixture need not be placed with on workbench, and foot-operated assembly can be fixedly installed relative to driving mechanism, and now fixture does not need to arrange the guider for the foot-operated assembly that leads.
In this preferred embodiment, guider 88 is arranged between foot-operated assembly 54 and pedestal 34.Certainly, guider 88 also can be arranged between foot-operated assembly 54 and workbench 32.
Further, guider 88 makes in motion process, ride assembly 54, and distance pedestal front portion 36 terminal A is farthest constant apart from the distance L of pedestal front portion 36 in the horizontal direction, thus foot-operated assembly 54 is in the horizontal direction apart from the constant distance of pedestal front portion 36 terminal A distance workbench 32 farthest.Like this, in the whole process of trampling foot-operated assembly 54 holding workpiece, foot-operated assembly 54 can not collide with workbench all the time, improves security and operation comfort.
The guide rail 92 that guider 88 comprises counterpart 90 and coordinates with counterpart.
In this preferred embodiment, counterpart 90 is arranged on one of both foot-operated assembly 54 and pedestal 34, and guide rail 92 is arranged on both foot-operated assembly 54 and pedestal 34 on another.Certainly, counterpart 90 also can be arranged on one of both foot-operated assembly 54 and workbench 32, and correspondingly, guide rail 92 is arranged on both foot-operated assembly 54 and workbench 32 on another, can be described in detail in embodiment afterwards.
In this preferred embodiment, guide rail 92 is set to arc-shaped guide rail 92.Certainly, guide rail 92 also can be set to line slideway, can be described in detail in embodiment afterwards.
The radius of arc-shaped guide rail 92 is greater than the length of pedestal 34 lengthwise extension, makes the motion of trampling foot-operated assembly more smooth and easy.
The center of circle 93 of arc-shaped guide rail 92 is positioned under the horizontal plane by the center of circle 93 with the line of counterpart 90, and like this, in the process of trampling foot-operated assembly 54 holding workpiece, the power of trampling foot-operated assembly 54, all towards workbench 32, improves operation comfort.
The center of circle of arc-shaped guide rail 92 is positioned at immediately below work top 33.
Foot-operated assembly 54 comprises the first linkage section 94, vertically linkage section 96 and the pedal 98 that are connected with driving mechanism 52 pivotable, and wherein vertically two ends of linkage section 96 are connected with the first linkage section 94 and pedal 98 respectively.In this preferred embodiment, pedal 98 is bend " L " shape pedal 98 be connected with vertical linkage section 96." L " shape pedal 98 comprises the coupling part 100 be connected with vertical linkage section 96 and the foot section 102 ridden for operator, and wherein foot section 102 is roughly vertical with coupling part 100, and handled easily person exert all one's strength.And when pin is placed into foot section 102 by operator, coupling part 100 can be avoided on operator's feet 37 that pin collides workbench 32 in the process of operation pedal 98 and produce injury.
Coupling part 100 is provided with several holes 103.Bolt 104 coordinates with one of them hole 103 on coupling part 100, for regulating pedal 98 relative to the distance of vertical linkage section 96 through the hole on vertical linkage section 96 is selectable.So, operator can adjust foot section 102 relative to the distance between workbench 32 according to the height of the height of oneself or workbench 30, makes foot section 102 be in the height of the most comfortable.
In this preferred embodiment, the first linkage section 94 dorsad workbench 32 direction bends with vertical linkage section 96 and is connected, thus makes clamp structure compact.
Counterpart 90 is arranged on vertical linkage section 96, and certainly, counterpart 90 also can be arranged on pedal 98.
Counterpart 90 is set to bearing pin, for reducing processing cost, can adopt standard bolt.
Vertical linkage section 96 is fixed with sleeve 105, and sleeve 105 can be welded on vertical linkage section 96.Counterpart 90 is removably located in sleeve 105, and the cooperation of counterpart 90 and guide rail 92 so can be facilitated to install.
Through hole (not shown) can certainly be set on vertical linkage section 96, counterpart 90 through above-mentioned through hole and guide rail 92.
Pedestal 34 is provided with support member 106, and guide rail 92 is arranged on support member 106.In this preferred embodiment, support member 106 is removably connected on pedestal 34 by screw 108, like this, when transporting or store fixture, support member 106 can be pulled down from pedestal 34, reducing memory space and having saved cost of transportation.
Support member 106 is set to U-shaped, the second side plate 112 comprise the first side plate 110, being oppositely arranged with the first side plate 110, the connecting portion 113 being connected the first side plate 110 and the second side plate 112, qualitative for improving guiding steady, guide rail 92 is set to two, is separately positioned on the first side plate 110 and the second side plate 112.
Vertical linkage section 96, between the first side plate 110 and the second side plate 112, like this, makes foot-operated assembly 54 more steady in motion process.When stepping on pedal 98, lever 58 and foot-operated assembly 54 can be accommodated in the U-shaped space that support member formed.
When carry out counterpart 90 and guide rail 92 coordinate install time, first by screw 108, support member 106 is fixed on pedestal 34, then the vertical linkage section 96 of foot-operated assembly 54 is placed between the first side plate 110 and the second side plate 112, and the hollow bulb of sleeve 105 is alignd with guide rail 92, most relief counterpart 90 is through the guide rail on the guide rail 92 of the first side plate 110, sleeve 105 and the second side plate 112, the end that counterpart 90 passes coordinates with nut 114, thus prevents the disengagement of counterpart 90 and guide rail 92.
In this preferred embodiment, counterpart 90 is arranged at vertical linkage section 96 on the side 116 of workbench 32, thus makes foot-operated assembly 54 in motion process, and the leg of operator can not encounter support member 106, improves security.
In addition, for reducing foot-operated assembly 54 in motion process, the friction between counterpart 90 and guide rail 92, is provided with rubber ring 117 between counterpart 90 and guide rail 92.
When operating foot-operated assembly 54, counterpart 90 slides along guide rail 92.Thus make foot-operated assembly 54 can steady pivotable in motion process, and it also avoid the hard collision between pedal 98 and workbench 32.
After movable clamp port 46 is in required clamped position, just by the retaining mechanism 118 be arranged between support body 38 and lever 58, the position of movable clamp port 46 can be locked.
As Fig. 4, shown in Fig. 5, Fig. 8 and Fig. 9, retaining mechanism 118 comprises the guide pillar 120 be pivotally connected on lever 58, the cage knob 122 be slidably arranged on pedestal front portion 36, the connecting rod 124 be connected on cage knob 122, the swing seat 126 being pivotally connected in pedestal front portion 36, the spring 128 be arranged with on connecting rod 124.Wherein swing seat 126 is provided with the accepting hole 130 of collecting guide pillar 120, and cage knob 122 is at locked position guide pillar 120 and accepting hole 130 clamped and allow to move between the off-position of guide pillar 120 relative to accepting hole 130 movement.
As shown in Figure 9, in this preferred embodiment, because guide pillar 120 has the curved portions 131 coordinated with accepting hole 130, cage knob 122 is made to be only 44mm from off-position (double dot dash line) to the shift motion N of locked position, just can clamp or discharge guide pillar 120, thus greatly reduce the locking of cage knob 122 or unlock stroke, make this fixture operation convenient.Meanwhile, the self-locking effect of guide pillar 120 is substantially increased.
In addition, when guide pillar 120 is in off-position moveable relative to accepting hole 130, guide pillar 120 is less with the contact area of accepting hole 130, thus reduces the wearing and tearing of guide pillar 120, improves the life-span of retaining mechanism 118.
The center of circle 133 of curved portions 131 is positioned at the side in the face of determining jaw 44.
The radius of curved portions 131 equals the axis 57 of lever 58 around pedestal pivotable to the distance of foot-operated assembly 54 between the axis 83 of lever 58 pivotable.So, when making to trample foot-operated assembly 54, lever 58 is more smooth and easy around the pivotable of pedestal 34.
In addition, the radius of curved portions 131 also can be designed to be more than or equal to 276mm, is not more than 402mm simultaneously.So, make this fixture not only compact conformation, and lever 58 is smooth and easy around the pivotable of pedestal 34.
Guide pillar 120 is pivotable to be connected on lever 58, and the rotation of guide pillar 120 is parallel with first axle 83 or coaxially arrange.In order to structure is compacter, more convenient to operate, in the present embodiment, the rotation of guide pillar 120 overlaps with first axle 83.And guide pillar 120 and foot-operated assembly 54 rotate around same axis.
Guide pillar 120 comprises the link be connected with lever 58 pivotable and the free terminal be oppositely arranged.Free terminal is provided with bayonet lock 132.
Lever 58 moves between initial position and most lower position, and fixture 30 is provided with the first and second position-limit mechanisms.The one the second position-limit mechanisms are mainly used in spacing for these two positions of lever 58.
Lever 58 is in initial position, and as shown in Figure 4, the first position-limit mechanism is the first limited block 134 be fixedly installed on support body 38.When lever 58 is under the effect of extension spring 68, be switched to and contact with the first limited block 134, at this moment lever 58 is limited at initial position.Lever 58 is in most lower position, and as shown in Figure 4, the second position-limit mechanism comprises the second limited block 135 arranged on support body 38.The axis 57 around pivotal axis be applied when lever 58 moves pivotally, guide pillar 120 is driven also around the rotation not only pivotable but also move downward of guide pillar 120 by lever 58, contact with the first limited block 134 when lever 58 is switched to, at this moment lever 58 is limited in most lower position.
The first end of swing seat 126 is rotatably connected on pedestal front portion 36 by pivot 136.Accepting hole 130 is fixedly installed on the second end of swing seat 126.
In the present embodiment, connecting rod 124 be fastened on cage knob 122 lower end and by cage knob 122 driven rotary.Connecting rod 124 and swing seat 126 are rotationally connected, and spring 128 is sheathed on connecting rod 124, so design, make when cage knob 122 is in off-position, under the effect of spring 128, swing seat 126 is provided with the second end of accepting hole 130 all the time towards the direction of non-tilting, namely towards the direction on ground.When cage knob 122 is at locked position, as shown in Figure 7, under the effect of spring 128, swing seat 126 is provided with the second end of accepting hole 130 all the time towards the direction tilted.
As shown in Figure 4 and Figure 5, now cage knob 122 remains on off-position, and under the effect of spring 128, swing seat 126 is provided with the second end of accepting hole 130 all the time towards the direction on ground, so when pedal 98 is around in axis rotary course, guide pillar 120 is driven to be free to slide in accepting hole 130.
Improper in order to prevent operator from exerting all one's strength, and block guide pillar 120.Swing seat 126 also establishes limiting plate 113.
As shown in Figure 9, when pressure cage knob 122 makes it arrive locked position downwards, cage knob 122 drivening rod 124 moves down, bearing pin 125 produces pivotable, and under the effect of spring 128, swing seat 126 is provided with the second end of accepting hole 130 all the time towards the direction tilted, and swing seat 126 is upwards provoked and is made guide pillar 120 contact with two diagonal angles of accepting hole 130 all the time, so, moving upward of guide pillar 120 is limited, and can only move downward; At this moment only pedal 98 need be stepped on, lever 58 is made to drive guide pillar 120 to move downwardly to most lower position, now, unclamp pedal 98, due to swing seat 126 under the effect of spring 128 all the time towards tilt direction, such guide pillar 120 will be moved upwards up to certain position and stuck by accepting hole 130, and the position of dynamic like this guide rail 42 and movable clamp port 46 thereof is just locked.
If want again to discharge dynamic guide rail 42 and movable clamp port 46 thereof, only need cage knob 122 to be upwards raised up to off-position (as shown in Figure 4 and Figure 5), swing seat 126 is in the position towards ground.Now, step on pedal 98, because guide pillar 120 unlocks from accepting hole 130, thus guide pillar 120 can freely slide in accepting hole 130.
As shown in figures 7 and 9, be arranged on the fixture 140 between workbench 32 and support body 34, this fixture 140 is for being fixed on workbench 32 by fixture 30.
In order to make fixture 30 can be quickly installed on workbench 32, between pedestal 34 and workbench 32, be provided with detent mechanism.
Detent mechanism comprises the first location-plate 152 be arranged on workbench 32 and the second location-plate 154 be arranged on support body 38, wherein the one the second location-plates 152 and 154 one of them be provided with locating hole, wherein another is provided with the projection coordinated with locating hole to first, second location-plate 152 and 154.
Second location-plate 154 is roughly " L " shape, and have two orthogonal side plates 157 and 158, its latus inframedium 157 is fixed by screws on support body 38.In the present embodiment, the second location-plate 154 is arranged on support body 38 1/3 place, and near pedestal front portion 36.Extension spring 68 one end is connected on the second location-plate 154, and the other end is connected on the second end 76 of connecting rod 70.So, spring 68 can make lever 58 be returned to initial position fast.Side plate 158 is provided with the projection 162 matched with locating hole 160 (see Fig. 2).This projection 162 can be formed by punching press.
During sectional fixture 30, first make protruding 162 to coordinate with locating hole 160, the second location-plate 154 is fitted on the first location-plate 152, then by fixture 140, fixture 30 is fixed on workbench 32.
The most preferred embodiment that the above embodiments are only used to allow those skilled in the art understand the present invention and provide.The present invention is not limited in above-mentioned specific embodiment.Any those skilled in the art easily full of beard and improvement all within inventive concept of the present invention.
Claims (10)
1. a fixture, comprising:
Along the pedestal that lengthwise extends, described pedestal comprises the pedestal support body that is anterior and that be connected with pedestal front portion near operator;
Be located at and described support body determines guide rail;
That is located at the anterior and support body junction of pedestal determines jaw;
Be slidably arranged in the described dynamic guide rail determined on guide rail, described dynamic guide rail one end is provided with movable clamp port;
Be arranged on described pedestal for driving described dynamic guide rail relative to the described driving mechanism determining slide;
Retaining mechanism for locking described movable clamp port is installed between described pedestal and driving mechanism, described retaining mechanism comprises the guide pillar being pivotally connected to described driving mechanism, the cage knob be slidably arranged on pedestal, pivotable are arranged on the swing seat on pedestal, the connecting rod be connected in cage knob and swing seat, the spring be set on connecting rod, wherein said swing seat is provided with the accepting hole of collecting guide pillar, and described cage knob is at the locked position described guide pillar and described accepting hole clamped and allow to move between the off-position of described guide pillar relative to described accepting hole movement;
It is characterized in that: described guide pillar has the curved portions coordinated with described accepting hole.
2. fixture according to claim 1, it is characterized in that: described driving mechanism comprises the lever be connected with described pedestal pivotable, to be connected with lever pivots and with the propulsion arms of projection, be arranged on the stop part on pedestal, the groove being arranged on the bias piece between propulsion arms and lever and being arranged on described dynamic guide rail, described bias piece impels described projection all the time towards the direction with described engagement, described fixture drive described projection the state of described engagement and and the described groove state of throwing off between move, and described projection is in disengaged condition, described stop part is used for propulsion arms described in backstop.
3. fixture according to claim 2, is characterized in that: on described lever, pivotable is provided with foot-operated assembly.
4. fixture according to claim 3, is characterized in that: the radius of described curved portions equals the axis of described lever around pedestal pivotable to the distance of described foot-operated assembly between the axis of described lever pivots.
5. fixture according to claim 1, is characterized in that: the radius of described curved portions is more than or equal to 276mm, and is not more than 402mm.
6. fixture according to claim 2, is characterized in that: between described pedestal and described lever, be provided with flexible member, and described lever has initial position and most lower position, and described lever is remained at initial position by described flexible member.
7. fixture according to claim 6, it is characterized in that: the drive rod that described lever comprises connecting rod and is fixedly connected with connecting rod, one end of wherein said connecting rod is connected with described propulsion arms, and described flexible member is arranged between the other end of described pedestal and described connecting rod.
8. fixture according to claim 2, is characterized in that: described lever comprises the first bending part, and described first bending part towards the bending of workbench direction, and is positioned at outside workbench.
9. fixture according to claim 8, is characterized in that: described lever also comprises with the first bending part back to the second bending part arranged, the workbench direction bending dorsad of described second bending part.
10. fixture according to claim 1, is characterized in that: the center of circle of described curved portions is positioned in the face of described side of determining jaw.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210150674.0A CN102975142B (en) | 2011-09-02 | 2012-05-16 | Fixture |
| PCT/CN2012/001226 WO2013029339A1 (en) | 2011-09-02 | 2012-09-03 | Bench vice |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110258880 | 2011-09-02 | ||
| CN201110258880.9 | 2011-09-02 | ||
| CN201210150674.0A CN102975142B (en) | 2011-09-02 | 2012-05-16 | Fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102975142A CN102975142A (en) | 2013-03-20 |
| CN102975142B true CN102975142B (en) | 2015-02-04 |
Family
ID=47451011
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220218404 Expired - Fee Related CN202656078U (en) | 2011-09-02 | 2012-05-16 | Bench screw |
| CN201210150674.0A Expired - Fee Related CN102975142B (en) | 2011-09-02 | 2012-05-16 | Fixture |
| CN201210150673.6A Expired - Fee Related CN102975138B (en) | 2011-09-02 | 2012-05-16 | Bench screw |
| CN201210151572.0A Expired - Fee Related CN102975139B (en) | 2011-09-02 | 2012-05-16 | Bench vice |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220218404 Expired - Fee Related CN202656078U (en) | 2011-09-02 | 2012-05-16 | Bench screw |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210150673.6A Expired - Fee Related CN102975138B (en) | 2011-09-02 | 2012-05-16 | Bench screw |
| CN201210151572.0A Expired - Fee Related CN102975139B (en) | 2011-09-02 | 2012-05-16 | Bench vice |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN202656078U (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191282B (en) * | 2014-09-15 | 2016-06-22 | 苏州市汇峰机械设备有限公司 | The fixing device of a kind of cutting machine material |
| CN105479370A (en) * | 2015-12-18 | 2016-04-13 | 黄常宇 | Mounting and locking device used for circuit board and provided with buffer block |
| CN106695827B (en) * | 2017-01-11 | 2023-08-01 | 成都元拓自动控制技术有限公司 | Multifunctional four-axis mechanical arm |
| CN110125887A (en) * | 2018-02-09 | 2019-08-16 | 苏州宝时得电动工具有限公司 | Clamping device |
| CN109158743A (en) * | 2018-09-11 | 2019-01-08 | 石家庄金丰专用车有限公司 | A kind of plasma cutting machine for trailer accessory |
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| US2892369A (en) * | 1955-12-01 | 1959-06-30 | Millet Ira | Footpower vise |
| US5524872A (en) * | 1991-02-25 | 1996-06-11 | Triton Technologies Pty Ltd | Clamping device |
| CN1736664A (en) * | 2005-08-22 | 2006-02-22 | 青岛地恩地机电科技股份有限公司 | Woodworker clamp for quick chucking |
| CN201183224Y (en) * | 2007-12-24 | 2009-01-21 | 苏州宝时得电动工具有限公司 | Quick vice |
| CN101462257A (en) * | 2007-12-21 | 2009-06-24 | 苏州宝时得电动工具有限公司 | Quick vice |
| CN201816101U (en) * | 2010-10-01 | 2011-05-04 | 苏州宝时得电动工具有限公司 | Fixture |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US1430260A (en) * | 1922-04-03 | 1922-09-26 | Georgie D Bobo | Vise |
| FR617339A (en) * | 1926-06-09 | 1927-02-17 | advanced pedal clamping vice | |
| US2331831A (en) * | 1941-01-11 | 1943-10-12 | Gordon William | Screw-actuated vise |
| US2387102A (en) * | 1941-06-17 | 1945-10-16 | Brucon Corp | Vise |
| US2443670A (en) * | 1943-11-19 | 1948-06-22 | Virginia Weber | Screw operated vise closed by treadle operated cam |
| CH255176A (en) * | 1947-02-05 | 1948-06-15 | Ag Edm Gressel | Vice with spring for clamping the workpiece. |
| EP2060366A1 (en) * | 2007-11-13 | 2009-05-20 | Positec Power Tools (Suzhou) Co., Ltd. | Clamping device |
| CN201109104Y (en) * | 2007-11-16 | 2008-09-03 | 苏州宝时得电动工具有限公司 | Rapid fixture |
| CN201158009Y (en) * | 2008-01-25 | 2008-12-03 | 苏州宝时得电动工具有限公司 | Quick vice |
| CN201552624U (en) * | 2009-07-29 | 2010-08-18 | 苏州宝时得电动工具有限公司 | Clamp |
| CN201471313U (en) * | 2009-09-10 | 2010-05-19 | 马秀波 | Pedal type rapid clamp device |
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2012
- 2012-05-16 CN CN 201220218404 patent/CN202656078U/en not_active Expired - Fee Related
- 2012-05-16 CN CN201210150674.0A patent/CN102975142B/en not_active Expired - Fee Related
- 2012-05-16 CN CN201210150673.6A patent/CN102975138B/en not_active Expired - Fee Related
- 2012-05-16 CN CN201210151572.0A patent/CN102975139B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2892369A (en) * | 1955-12-01 | 1959-06-30 | Millet Ira | Footpower vise |
| US5524872A (en) * | 1991-02-25 | 1996-06-11 | Triton Technologies Pty Ltd | Clamping device |
| CN1736664A (en) * | 2005-08-22 | 2006-02-22 | 青岛地恩地机电科技股份有限公司 | Woodworker clamp for quick chucking |
| CN101462257A (en) * | 2007-12-21 | 2009-06-24 | 苏州宝时得电动工具有限公司 | Quick vice |
| CN201183224Y (en) * | 2007-12-24 | 2009-01-21 | 苏州宝时得电动工具有限公司 | Quick vice |
| CN201816101U (en) * | 2010-10-01 | 2011-05-04 | 苏州宝时得电动工具有限公司 | Fixture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN202656078U (en) | 2013-01-09 |
| CN102975139A (en) | 2013-03-20 |
| CN102975138A (en) | 2013-03-20 |
| CN102975142A (en) | 2013-03-20 |
| CN102975139B (en) | 2016-03-30 |
| CN102975138B (en) | 2015-07-01 |
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Granted publication date: 20150204 Termination date: 20200516 |