CN2855568Y - Rotating clamping device - Google Patents

Abstract

The utility model discloses a rotating clamping device arranged on the table of a pipe bender, which includes a shell base, a power unit installed on the shell seat, a rotation unit installed inside the shell base, and a buckle unit and a braking unit both installed inside the rotation unit. The buckle unit is provided with a fixed holder and a mobile holder; the braking unit can drive the mobile holder to fold relative to the fixed holder. Thus, the braking unit is used to drive the buckle unit to buckle a pipe piece and then the power unit is used to drive the rotation unit, and the phase position of the pipe piece can be adjusted.

Description

Rotating and clamping device

Technical field

The utility model relates to a kind of pipe fitting bending apparatus, particularly relate to a kind of can be to adjusting the rotating and clamping device of phase place after the pipe fitting clamping again.

Background technology

As shown in Figures 1 and 2, existing a kind of bending machine (TaiWan, China application case number No. 92105312 patent case) includes fixedly die holder 2 and two that a board 1, is installed in the middle of this board 1 and is separately positioned on this fixedly bend pipe head 3 of die holder 2 both sides.Should be fixedly die holder 2 have one fixedly fixture block 201 and one can with respect to this fixedly fixture block 201 generation closings with the movable clip block 202 of clipping one pipe fitting.Aforementioned bend pipe head 3 respectively has a movable mould wheel 301, and can be located on this toggling device 302 and with respect to this movable mould wheel 301 with respect to the toggling device 302 and that this movable mould wheel 301 produces swings and be the eccentric curved mould wheel 303 that is provided with.When the pipe fitting stage casing be subjected to this fixedly die holder 2 clippings locate, and two ends also are clamped in the movable mould wheel 301 of bend pipe head 3 and should take turns between 303 by curved mould, and when driving 302 swings of this toggling device and driving curved mould wheel 303, just can make these pipe fitting two ends finish the bend pipe operation with respect to movable mould wheel 301 swings.

Though this bending machine can carry out the bend pipe operation to pipe fitting because when bend pipe, this fixedly 2 of die holders to the pipe fitting clipping, so can only bend the pipe fitting that extends (dual space) on same plane.

Again as shown in Figure 3, the bending machine (United States Patent (USP) the 4th, 843, No. 861 cases) of another kind of two curved formulas, it comprises is located at the swan neck system 5 that middle rotating and clamping device 4 and two is located at these rotating and clamping device 4 both sides.As Fig. 4, Fig. 5 and shown in Figure 6, this rotating and clamping device 4 have a shell block 401 and be installed in a power unit 402 of these shell block 401 inside, a gear unit 403, a brake units 404, fastens a unit 406 and an idle pulley unit 407 in order to the driver element 405, that drives this brake units 404.This gear unit 403 and brake units 404 respectively have the external gear 403 that an internal gear 403 ', 404 ' and two is located at this internal gear 403 ', the 404 ' outside ", 404 ", this fastening unit 406 also have one with the interior clip wheel 408 of aforementioned internal gear 403 ', 404 ' engagement and two can with external gear 403 ", 404 " the outer clip wheel 409 of engagement, should in clip wheel 408 inside have grip hold arc face 408 ' in, aforementioned outer clip wheel 409 inside then respectively have one and are the outer grip hold arc face 409 ' of eccentric setting with respect to grip hold arc face 408 ' in this.When a motor 405 ' that starts this driver element 405, be to make the internal gear 404 ' of this brake units 404 check the location, this interior clip wheel 408 that fastens unit 406 also produces the location, and when power unit 402 input power, and utilize the external gear 403 of this gear unit 403 and brake units 404 ", 404 " when the outer clip wheel 409 of this fastening unit 406 of interlock produces eccentric rotation with respect to clip wheel in this 408, utilize the rotation that should outer grip hold arc face 409 ' be off-centre just can cooperate and with a pipe fitting clipping with grip hold arc face 408 ' in this.When discharging brake, clip wheel 408 and pipe fitting rotated together in outer clip wheel 409 just can drive, and adjusted the phase place purpose to reach.

Though the rotating and clamping device 4 of this bending machine can also can carry out the phase place adjustment, to reach the stereo bent pipe purpose with the moving location of pipe fitting clamping between the operation of secondary bend pipe.

But, the rotating and clamping device 4 of this bending machine still has two to lack greatly, and the first is when adjusting phase place, and clip wheel 408 is not subjected to the direct driving of this power unit 402 in this, but dragged passively because of the clipping frictional force of pipe fitting, the danger that pipe fitting gets loose takes place easily.It two is that constituent components is many, can cause overall volume big, uses (as bend external diameter 9mm locomotive oil pipe) for the bend pipe of some light clamping loads, does not need so complicated mechanism in fact.

The utility model content

The purpose of this utility model is to provide a kind of phase place and rotating and clamping device simple in structure, that volume is little adjusted.

Rotating and clamping device of the present utility model, be mounted on the board of a bending machine, and comprise a shell block, and be installed in rotating unit that power unit, on this shell block is installed in this shell block inside, be installed in one of this rotating unit inside and fasten unit, a stopper unit, and be installed in first impeller and on this shell block and be installed in second impeller on this shell block.This shell block has a perisporium that can define a space, and this perisporium one side is provided with one and connects peristome to this space by the outside.This rotating unit is to be located in this shell block along axis extension and axle, and driven by this power unit can rotate, and have one connect vertically and the slotted eye that radially extends by the outside, a corresponding axis towards this axis and with the vertically disposed accommodation space of this slotted eye, one with the vertical slide opening that communicates and be parallel to this slotted eye of this accommodation space, this slide opening two ends perforation is to this rotating unit outside.This fastening unit is to intersect the accommodation space inside that is provided with and is installed in this rotating unit with this slotted eye, and have one fixedly holder and one can with respect to this fixedly holder produce convergence or away from movable holder, fixedly holder has first end face in this slotted eye, this activity holder have one with this first end face second opposed end face, this activity holder can level off to the clipping position of this first end face by this second end face, is operable to the disengaged position that this second end face is away from this first end face.This stopper unit is mounted in the slide opening of this rotating unit, and have one brake should activity holder convergence or be away from this fixedly the brake and of holder be located at yoke frame between this brake and this activity holder, and this brake has a first end, the second end of one opposite setting with this first end, one outer ring surface and that extends to this second end by this first end is arranged with and to pushing guide part that should the live splint seat by this outer ring surface, this pushing guide part has a shallow end in abutting connection with this outer ring surface, one with this outer ring surface deep end and of degree of depth guiding incline of tilting to extend towards this deep end by this shallow end at interval, this shallow end is to should making this live splint seat be positioned at this clipping position by yoke frame, and this deep end is to should making this live splint seat be positioned at this disengaged position by a push piece.This first impeller is to first end that should brake, can promote the first end of this brake, and borrows this push piece and drive this live splint seat and be positioned at this clipping position.This second impeller is to the second end that should brake, can promote the second end of this brake, and makes this yoke frame fall into the deep end of this pushing guide part and drive this live splint seat and be positioned at this disengaged position.

Whereby, utilizing this stopper unit and fasten unit matching, is to make pipe fitting by firm clipping, utilizes this power unit to drive this rotating unit again and rotates, and just can reach the purpose of adjusting phase place, and overall structure is simple, volume is little.

Description of drawings

Fig. 1 is the schematic perspective view of existing a kind of bending machine;

Fig. 2 is the bend pipe operation chart of this kind bending machine;

Fig. 3 is the floor map of existing another kind of bending machine;

Fig. 4 is the cross-sectional schematic of being got along the straight line 4-4 among Fig. 3;

Fig. 5 is the cross-sectional schematic of being got along the straight line 5-5 among Fig. 4;

Fig. 6 is the cross-sectional schematic of being got along the straight line 6-6 among Fig. 4;

Fig. 7 is the flat assembly drawing of the utility model one preferred embodiment;

Fig. 8 is the local enlarged diagram of the above-mentioned preferred embodiment of the utility model;

Fig. 9 is the cross-sectional schematic of being got along the straight line 9-9 among Fig. 8;

Figure 10 is the operation chart of the above-mentioned preferred embodiment of the utility model, illustrates to utilize one second impeller to push away after a rotating unit rotates to pull a brake and make a moving gripper die be positioned at a disengaged position;

Figure 11 is another operation chart of the above-mentioned preferred embodiment of the utility model, illustrates to utilize one first impeller to push away to pull this brake after this rotating unit reverses again and make this moving gripper die be positioned at a clipping position.

The specific embodiment

Below by most preferred embodiment and accompanying drawing rotating and clamping device of the present utility model is elaborated.

As Fig. 7, Fig. 8 and shown in Figure 9, the preferred embodiment of the utility model rotating and clamping device 100 is mounted on the board 210 of a bending machine 200, and cooperates and can carry out the bend pipe operation to a pipe fitting 400 with a swan neck system 300.This rotating and clamping device 100 comprises that a shell block 10, is installed in that stopper unit 50, that fastening unit 40, that rotating unit 30, that power unit 20, on this shell block 10 is installed in these shell block 10 inside is installed in these rotating unit 30 inside is installed in these rotating unit 30 inside is installed on this shell block 10 and first impeller 60 and that should stopper unit 50 is installed in this shell block 10 inner and to second impeller 70 that should stopper unit 50.

This shell block 10 has a perisporium 12 that can define a space 11, and this perisporium 12 has two self-lubricating bearings 14 and that are divided into both sides and connects to this space 11 down and the peristome 13 of this self-lubricating bearing 14 by last.

This power unit 20 has a motor 21, one and is located in this perisporium 12 and the force-output shaft 22 of exportable these motor 21 power, two groups of drive 23 and a pair of winding driving belts 24 between this force-output shaft 22 and aforementioned drive 23 that are disposed on these force-output shaft 22 1 sides.This force-output shaft 22 has two to be located in this space 11 and corresponding to the driving wheel 221 of drive 23, aforementioned driving belt 24 respectively have one with the inner circular tooth face 241 of drive 23 engagements and one and the outer shroud flank of tooth 242 of these inner circular tooth face 241 opposing settings.

This rotating unit 30 is to be located on the self-lubricating bearing 14 of this shell block 10 along axis L extension and axle, and be subjected to this power unit 20 to drive and to rotate, and have the slotted eye 33 that the rectangular fixed block in a cross section 31, two connects vertically and radially extended towards this axis L by the outside along the sprocket wheel portion 32, that this axis L is fixed in these fixed block 31 both sides.This fixed block 31 has a pair of accommodation space 311 and that should axis L and communicates and vertically disposed slide opening 312 with this accommodation space 311, and these slide opening 312 two ends connect to these fixed block 31 outsides.This sprocket wheel portion 32 is the outer shroud flank of tooth 242 engagements with this driving belt 24.This slotted eye 33 is to connect sprocket wheel portion 32 and fixed block 31, and is parallel to this slide opening 312.

This fastening unit 40 is to intersect with this slotted eye 33 to be provided with and to be installed in the accommodation space 311 of this rotating unit 30, and have one fixedly holder 41, one can with respect to this fixedly holder 41 generation convergences or away from movable holder 42 and be located at this fixedly flexible member 43 between holder 41 and this activity holder 42.Fixedly holder 41 has first end face 411 in this slotted eye 33, one is arranged with and is arranged on along the first arc groove 412 and that this axis L extends first shrinkage pool 413 of these first arc groove, 412 1 sides by this first end face 411, this activity holder 42 have one with these first end face, 411 second opposed end faces 421, one is arranged with and can be arranged on these second arc groove, 422 1 sides and second shrinkage pool 423 relative with this first shrinkage pool 413 with the involutory second arc groove 422 and of this first arc groove 412 by this second end face 421, this flexible member 43 be with the compression spring be example, and be opposite two ends be installed in respectively this first, two shrinkage pools 413, in 423, the elastic force of this flexible member 43 can make this activity holder 42 be kept away from this fixing trend of holder 41.Preferably, this fastening unit 40 also comprises a fine adjustment screw 44, and this fine adjustment screw 44 is to be arranged in this fixed block 31, term by term combination be butted on this fixedly holder 41 in contrast to a side of this activity holder 42.

This stopper unit 50 has one and is cylindric and is located in brake 51 and in this slide opening 312 slidably and be located at yoke frame 52 between this brake 51 and this activity holder 42.This brake 51 has a first end 511, one with the second end 512 of these first end 511 opposite settings, one outer ring surface 513 and that extends to this second end 512 by this first end 511 is arranged with and to pushing guide part 514 that should live splint seat 42 by this outer ring surface 513, this pushing guide part 514 has one in abutting connection with this outer ring surface 513 and to shallow end 515 that should first end 511, one with this outer ring surface 513 degree of depth and the guiding incline 517 that tilts to extend towards this deep end 516 by this shallow end 515 corresponding to the deep end 516 of this second end 512 and at interval, the item push piece 52 of present embodiment is to adopt steel ball.

This first impeller 60 is to be example with the pressure cylinder, is to be parallel to these peristome 13 ground to be installed on this perisporium 12, and has one and can push away the first piston bar 61 of pulling to the first end 511 of this brake 51.

This second impeller 70 also is to be example with the pressure cylinder, is perpendicular to this peristome 13 and is located in this space 11, and utilize most fixed bars 72 to be installed on this perisporium 12, and have one and can push away second piston rod 71 of pulling to the second end 512 of this brake 51.

Again as shown in Figures 7 and 8, before desiring to carry out the bend pipe operation and desire during with this pipe fitting 400 clampings location, be to start this motor 21 earlier, and utilize this driving belt 24 to drive this rotating unit 30 and rotate toward clockwise direction, as shown in figure 10, up to this slotted eye 33 and this peristome 13 90 degree that stagger, at this moment, the second end 512 of this brake 51 is corresponding to this second impeller 70, and driving this second piston rod 71 produces to push away towards this brake 51 and pulls, make that 516 pairs of the deep ends of this pushing guide part 514 should a push piece 52, utilize the elastic force effect of this flexible member 43, just can make this activity holder 42 be positioned at a disengaged position, and this yoke frame 52 also can fall in this deep end 516.

Fig. 7 and shown in Figure 11 and for example, after these second piston rod, 71 withdrawals, drive this rotating unit 30 toward counterclockwise rotating 90 degree with regard to recycling this power unit 20, and make this slotted eye 33 again corresponding to this peristome 13, at this moment, the first end 511 of this brake 51 is corresponding to this first impeller 60, and should still be positioned at this disengaged position by activity holder 42, operating personnel just can be with pipe fitting 400 from this peristome 13, slotted eye 33 open ports are inserted, up to should first, two arc grooves 412,422 o'clock, will be as shown in Figure 8, the first piston bar 61 of restarting this first impeller 60 stretches out, and promote the first end 511 of this brake 51, when 515 pairs of this shallow end should yoke frame 52, utilizing should be dark, shallow end 516, the variation of 515 degree of depth, this push piece 52 just can drive this activity holder 42 towards this fixedly holder 41 produce closings and be positioned at a clipping position, and make this pipe fitting 400 by firm clampings.

After these first piston bar 61 withdrawals, utilize this power unit 20 can drive this rotating unit 30, fastening unit 40, stopper unit 50 and pipe fitting 400 again and rotate predetermined angular simultaneously, and reach the purpose of adjusting phase place.

Therefore, utilizing this rotating and clamping device 100 to adjust the bend pipe operation of phase place and this swan neck system 300, is to make this pipe fitting 400 carry out three-dimensional bend pipe operation.

Hereby again advantage of the present utility model is summarized as follows:

One, utilize the cooperation of this clip unit 40, stopper unit 50, first impeller 60 and second impeller 70, Can reach the purpose of certain clip pipe fitting 400, and utilize this power unit 20 and rotating unit 30 to cooperate, then can Reach the purpose of adjusting phase place, therefore, the operation of clamping, rotation utilizes respectively independent agency to reach operational motion Really.

Two, whole constituent components is comparatively simplified, and with respect to the structure of existing bending machine, overall volume is littler, and suitable Be used for the bend pipe operation of some light clamping loads.

Claims (5)

1. a rotating and clamping device is mounted on the board of a bending machine, it is characterized in that comprising:

One shell block has a perisporium that can define a space, and this perisporium one side is provided with one and connects peristome to this space by the outside;

One power unit is mounted on this shell block;

One rotating unit, be to be located in this shell block along axis extension and axle, and driven by this power unit can rotate, and have one connect vertically and the slotted eye that radially extends by the outside, a corresponding axis towards this axis and with the vertically disposed accommodation space of this slotted eye, one with the vertical slide opening that communicates and be parallel to this slotted eye of this accommodation space, this slide opening two ends perforation is to this rotating unit outside;

One fastens the unit, be to intersect the accommodation space inside that is provided with and is installed in this rotating unit with this slotted eye, and have one fixedly holder and one with respect to this fixedly holder produce convergence or away from movable holder, fixedly holder has first end face in this slotted eye, this activity holder have one with this first end face second opposed end face, it is in a clipping position that second end face of this activity holder levels off to this first end face, and it is in a disengaged position that this second end face is away from this first end face;

One stopper unit, be mounted in the slide opening of this rotating unit, and have a stopper should activity holder convergence or be away from this fixedly the brake and of holder be located at yoke frame between this brake and this activity holder, and this brake has a first end, the second end of one opposite setting with this first end, one outer ring surface and that extends to this second end by this first end is arranged with and to pushing guide part that should the live splint seat by this outer ring surface, this pushing guide part has a shallow end in abutting connection with this outer ring surface, one with this outer ring surface deep end and of degree of depth guiding incline of tilting to extend towards this deep end by this shallow end at interval, this shallow end is to making this live splint seat be positioned at this clipping position by yoke frame, and this deep end is to making this live splint seat be positioned at this disengaged position by yoke frame;

One first impeller is mounted on this shell block and to first end that should brake, can promotes the first end of this brake, and borrows this yoke frame and drive this live splint seat and be positioned at this clipping position; And

One second impeller is mounted on this shell block and to the second end that should brake, can promotes the second end of this brake, and makes this yoke frame fall into the deep end of this pushing guide part and drive this live splint seat and be positioned at this disengaged position.

2. rotating and clamping device as claimed in claim 1 is characterized in that: this power unit has the force-output shaft and two drives that are provided with and driven by this force-output shaft at interval of a motor, this motor power of output.

3. rotating and clamping device as claimed in claim 2, it is characterized in that: this power unit also has the driving belt of a pair of winding between this force-output shaft and drive, this driving belt have one with the inner circular tooth face of drive engagement and one and the outer shroud flank of tooth of the opposing setting of this inner circular tooth face, this rotating unit also have two be located at outer peripheral face and with the sprocket wheel portion of this outer shroud flank engagement.

4. rotating and clamping device as claimed in claim 1 is characterized in that: this fastening unit also has is located at this fixedly flexible member between holder and this activity holder, and the elastic force of this flexible member is kept away from this fixing trend of holder this activity holder.

5. rotating and clamping device as claimed in claim 1 is characterized in that: this first and second impeller is a pressure cylinder.

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