CN103394626A - Adjustable tongs mechanism capable of being turned over by 180 degrees of cold heading forming machine - Google Patents
Adjustable tongs mechanism capable of being turned over by 180 degrees of cold heading forming machine Download PDFInfo
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- CN103394626A CN103394626A CN2013103457705A CN201310345770A CN103394626A CN 103394626 A CN103394626 A CN 103394626A CN 2013103457705 A CN2013103457705 A CN 2013103457705A CN 201310345770 A CN201310345770 A CN 201310345770A CN 103394626 A CN103394626 A CN 103394626A
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Abstract
The invention discloses an adjustable tongs mechanism capable of being turned over by 180 degrees of a cold heading forming machine. The adjustable tongs mechanism comprises a lifting device, a clamping jaw device, a sliding table and a rack, wherein a tongs seat is fixedly installed on the sliding table, and an adjusting backing plate is arranged between the tongs seat and the sliding table and used for adjusting the interval between the tongs seat and the sliding table. A stirring fork comprises two vertical type cake-shaped fork heads, and the stirring fork is combined with a rotating lantern ring to form a cross-shaped movable joint to allow tongs pieces to finish translation and turnover motion. The upper pivot angle and the lower pivot angle of a lifting rocker arm are equal. A kidney-shaped hole is formed in a guide gear, wherein the kidney-shaped hole is used for allowing the guide gear to be installed and the position of the guide gear to be adjusted, and the radius ratio of the reference circle of the guide gear to the reference circle of a movable gear is 2:1. The adjustable tongs mechanism has the advantages of being conveniently turned over by 180 degrees, stably clamping and improving production efficiency.
Description
Technical field
The present invention relates to a kind of cold header, specifically a kind of adjustable 180 ° of overturning clamp mechanisms that have the cold header of the holding functions such as opening and closing gripping, left and right sidesing shifting and clamping upset concurrently.
Background technology
Cold header is a kind of the various metal wire rods of handling well to be cut off and cold extrusion, makes the equipment of wire rod cold-heading molding in mould, is used for processing various standards, non-standard securing member and the vapour accessory that rubs.Clamping mechanism is cold header grasping system transferring work piece mechanism, when workpiece is delivered to next station from a upper station, clamp can automatic shutter and simultaneously can 180 ° of upset, and workpiece precisely is delivered to next station from a upper station turn-over, completes workpiece tune machining functions.Clamping mechanism mainly is comprised of movement device, clamping jaw device, sliding stand and support, clamping jaw device is fixed on sliding stand, and sliding stand is promoted by the transmission rocking arm of clamp transport mechanism, drives clamping jaw device and moves at intermode, coordinate the switching of pincers slice, the common cold-heading processing of assisting to complete workpiece.But, adopt the cold header of existing clamping mechanism technology can only carry out to the single head of workpiece cold-heading processing, for the workpiece that needs double end cold-heading processing, also will be in addition by punch ram or lathe processing; Also have a bit importantly, due to design reasons and structure limited, existing domestic overturning clamp all adopts spring clamp mechanism, clamp can not open automatically, inserts clamp by workpiece and struts by force clamp piece, therefore the little clamping mechanism of common name upset.This mechanism pulls workpiece usually, and the chucking power size can not be regulated, and along with spring fatigue, chucking power descends, and clamping is unreliable, often falls material.Clamp can not open automatically in addition, and insert and strut pincers slice by workpiece, thus can not be processed with the step surface workpiece, can only the processing excircles straight-member workpiece.180 ° of upset scopes of former mechanism are little, are generally 1/3-1/5 in machine parameter, and restriction processing limitation can not the long product of cold-heading length, and range of application is restricted.
because above-mentioned existing cold headers gripping mechanism still has desirable not to the utmost part textural, only can carry out minority simply moves, can't meet the demand of exercises, and the scope of processing work can't be adjusted, so that the user is subject to the insufficiency of function of gripping mechanism in use, produce awkward defect, in addition, along with the market demand and cold-heading technical development, cold header is not work sheet one securing member, and need processed complex profiled piece, the cold header process velocity improves constantly simultaneously, the requirement grasping system is functional, stability and reliability are more and more higher, must to there is omnibearing clamping mechanism can overcome this problem, to promote production capacity and production efficiency.
Summary of the invention
The technical problem that the present invention solves is to overcome above-mentioned the deficiencies in the prior art and clamping mechanism that a kind of cold header is provided, and this clamping mechanism can be carried out displacement, upset and gripping workpiece action, and is applicable to process the more workpiece of large scale scope.
For solving the problems of the technologies described above, the present invention has adopted following technical scheme:
A kind of adjustable 180 ° of overturning clamp mechanisms of cold header, comprise movement device, clamping jaw device, sliding stand and frame;
Described movement device comprises the movement rocking arm that driven by power source and up and down reciprocatingly swing and the rock arm rotary table that the movement rocking arm is installed, and the rock arm rotary table rotary type is connected on frame, and the movement rocking arm is hinged on rock arm rotary table;
described clamping jaw device comprises pull bar, rotating seat, clamp seat, gripper-arm and pincers slice, gripper-arm is provided with three links, respectively with pincers slice, pull bar is connected with rotating seat, rotating seat cover is located in clamp seat, drag link sleeve is located in rotating seat, the top of rotating seat is fixed with free gear, be fixed with the guide gear that is meshed with free gear on frame, free gear driven rotary seat rotates in clamp seat, the top of pull bar is arranged with rotational lantern ring, one end of described movement rocking arm be provided with rotational lantern ring suitable stir fork, the movement rocking arm swings up and down to be stirred pull bar and moves up and down in rotating seat,
Wherein, described clamp seat is fixedly mounted on sliding stand, is provided with between clamp seat and sliding stand and adjusts backing plate for the spacing between adjustable clamp clamp block and sliding stand; The described fork of stirring comprises two vertical cheese jaws, stirs fork and is combined to form the cross work movable joint and completes translation and flip-flop movement for pincers slice with rotational lantern ring; The pivot angle up and down of described movement rocking arm equates; Described guide gear is provided with for the waist-shaped hole that guide gear and adjustment guide gear position are installed, and the reference radius of described guide gear and free gear is than being 2:1.
The present invention can also be further perfect by following technical measures:
Pincers slice comprises clamping part and installation portion, and it is Z-shaped that integral body is, and the revolution range of clamping part is greater than the revolution range of installation portion, and clamping part is provided with serrate slot.Clip claw assembly comprises the first plane bearing, the second plane bearing and locks the locking nut of above-mentioned two plane bearings, the first plane bearing is folded between free gear lower surface and clamp seat end face, the second plane bearing is folded between the lower boss and clamp seat bottom surface of rotating seat, rotating seat is set in clamp seat by rolling bearing, and locking nut is located at the free gear top.The other end of movement rocking arm is provided with pushing part, and power source contacts with pushing part the movement rocking arm is swung up and down, and pushing part is positioned on the rotation of rock arm rotary table.Be provided with the 3rd plane bearing between rock arm rotary table and frame, described pushing part is positioned on the axis of the 3rd plane bearing.Frame is provided with clamping cylinder, and the Pneumatic top bar of clamping cylinder passes and contacts on pushing part by the middle part of plane bearing, and Pneumatic top bar is positioned on the rotation of rock arm rotary table.Power source comprises rotating cam and cam rocker arm, and cam rocker arm is hinged on frame, and rotating cam actuating cam rocking arm swings up and down, and cam rocker arm is provided with and the contacted touch part in pushing part.Rock arm rotary table comprises rotation section and articulated section, and the upper mounting plate of rotation section and frame is rotationally connected, and the movement rocking arm is hinged on articulated section, and articulated section is extended upward by rotation section.Rotational lantern ring is I-shaped, and rotational lantern ring freely is located between two cheese jaws stirring fork, and the periphery of cheese jaw contacts with the upper lower flange of rotational lantern ring.Guide gear comprises sector rack and installing handle, installing handle is provided with waist-shaped hole, frame is provided with two set screw, two set screw are conflicted respectively and are used for regulating the angle of sector rack and the initial engagement of free gear in the both sides at sector rack back, and the centre-to-centre spacing of described free gear and fixed gear equals the length of the pin joint of movement rocking arm to the capable jaw of the cake center of circle.
Owing to having adopted above technical measures, the present invention has following useful technique effect:
1. owing to being provided with the adjustment backing plate between clamp seat and sliding stand, in use, the operator can adjust the quantity of backing plate or pivot center that thickness changes rotating seat to the distance between die face by change, increased for the rotating space of workpiece, processing work length can be longer, increases machinable size range.
2. because the shift fork head with the movement rocking arm is arranged to the cheese jaw, and the pivot angle up and down of movement rocking arm is identical, when the movement rocking arm swings, all the time the periphery that is the cheese jaw contacts with the rotational lantern ring on pull bar, therefore when having reduced the movement rocking arm and having swung up and down, the displacement difference that pull bar moves up and down, provide the foundation to the distance between die face for adjusting clamp seat.
3. due to being rotationally connected, rock arm rotary table and frame make the movement rocking arm can be around the pivot axis of rock arm rotary table, simultaneously the pushing part of movement rocking arm is located on pivot center, make in movement rocking arm rotation process, pushing part contacts with the touch part on power source all the time, the Pneumatic top bar of clamping cylinder also passes pivot center and contacts on pushing part, has ensured the stability of grasping system.
4. realized the movement rocking arm, the Seriation Design of rock arm rotary table and guide gear, when the pivot center of rotating seat surpasses certain limit to the change of distance between die face, movement rocking arm originally will make the upper and lower displacement of pull bar produce larger error, can't meet normal clamping and loosen workpiece, at this moment just need to change the movement rocking arm, the displacement that moves up and down that swings up and down displacement and pull bar of stirring fork is adapted, when movement rocking arm length changes, can be by redesign movement rocking arm, the position of rock arm rotary table upper link point realizes that the swing displacement of cheese jaw is identical, and change the engagement of corresponding guide gear and free gear, prevent from meshing bad, the problem that the workpiece turning angle is inadequate, so Seriation Design movement rocking arm in the present invention, rock arm rotary table and guide gear can adapt to wider machined parameters adjustment.
5. owing to having adopted the Z-type clamp piece, during material folding, away from die face, during feeding, upset is 180 °,, near die face, with workpiece, do not interfere during clamping, during feeding not with rush the tool assembly and interfere.The rotating seat center is consistent with workpiece centre, guarantees that every station workpiece do not interfere with mould.
6. replace spring with clamping cylinder, can increase the flexibility of pincers slice holding workpiece, prevent that effectively pincers slice from crushing workpiece or pressing from both sides not clamping of workpieces.
7. pin, waist-shaped hole in the middle of guide gear adopts, two terminal screw location, adjust and free gear fit clearance and the initial angle of engagement, accurate position while having improved the rotating seat feeding, and prevent from stinging the tooth phenomenon, improved the life-span of gear.
8. adopt rolling bearing to be connected with plain thrust bearing between rotating seat and clamp seat, and with bearing lock nut, can regulate fit clearance, when system wear, guarantee fit clearance by adjusting top bearing lock nut, guarantee rotating seat stability, pull bar, by the rotating seat center, slides up and down the formula matched in clearance, rotating shaft does not produce displacement difference in the rotation process, increase by 180 ° of upset holding workpiece stability.
Description of drawings
Fig. 1 is clamping mechanism feeding state schematic cross-section of the present invention;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the vertical die face view of clamping mechanism of the present invention;
Fig. 4 is the top view of Fig. 3;
Fig. 5 is the clip claw assembly schematic cross-section;
Fig. 6 is the pincers slice structural representation;
Fig. 7 is movement rocking arm and rock arm rotary table assembling schematic diagram;
Fig. 8 is the guide gear structural representation;
Fig. 9 is the rotating seat structure schematic diagram;
Figure 10 is the gripper-arm structural representation.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is illustrated in further detail.
Adjustable 180 ° of overturning clamp mechanisms of a kind of cold header as shown in Figure 1, Figure 2, Figure 3 and Figure 4, can carry out turn around processing work, gripping of 180 ° of upsets and discharge workpiece and three actions of workpiece shift, clamping mechanism comprises movement device 1, clamping jaw device 2, sliding stand 209 and frame; Movement device 1 comprises the movement rocking arm 101 that driven by power source and up and down reciprocatingly swing and the rock arm rotary table 103 that rocking arm is installed; rock arm rotary table 103 rotary types are connected on frame; movement rocking arm 101 is hinged on rock arm rotary table 103; rock arm rotary table 103 can rotate on frame; movement rocking arm 101 swings around pin joint on rock arm rotary table 103, and rock arm rotary table 103 is driven and rotated by movement rocking arm 101.
Power source comprises rotating cam 106 and cam rocker arm 105, cam rocker arm 105 is hinged on frame, rotating cam 106 actuating cam rocking arms 105 swing up and down, cam rocker arm 105 swings up and down and touches 101 actions of movement rocking arm, rotating cam 106 comprises static zones and active region, and when the static zones of rotating cam 106 contacted with cam rocker arm 105, cam rocker arm 105 remained static, when the active region of rotating cam 106 contacted with cam rocker arm 105, cam rocker arm 105 promoted 101 actions of movement rocking arm.
as shown in Figure 5, clamping jaw device 2 comprises pull bar 202, rotating seat 206, clamp seat 205, a pair of gripper-arm 207 and a pair of pincers slice 208, pull bar 202 connects the upper end of gripper-arm 207, pincers slice 208 is fixed on the lower end of gripper-arm 207, gripper-arm 207 middle parts are hinged on rotating seat 206, rotating seat 206 is set in clamp seat 205, pull bar 202 is set in rotating seat 206, the top of rotating seat 206 is fixed with free gear 203, be fixed with the guide gear 210 that is meshed with free gear 203 on frame, free gear 203 driven rotary seats 206 are in the interior rotation of clamp seat 205, the top of pull bar 202 is arranged with rotational lantern ring, one end of rocking arm is provided with suitable the stirring of rotational lantern ring and pitches 102, rocking arm swings up and down to be stirred pull bar 202 and moves up and down in rotating seat 206, clamp seat 205 is fixedly mounted on sliding stand 209, is provided with between clamp seat 205 and sliding stand 209 and adjusts the spacing that backing plate 4 is used between adjustable clamp clamp block 205 and sliding stand 209, stir fork 102 and comprise two vertical cheese jaws, stir fork 102 and be combined to form translation and the flip-flop movement of cross work movable joint to complete pincers slice 208 with rotational lantern ring, the pivot angle up and down of rocking arm equates, guide gear 210 is provided with for the waist-shaped hole that guide gear 210 and adjustment guide gear 210 positions are installed, and the reference radius of guide gear 210 and free gear 203 is than being 2:1.
As shown in Figure 6, pincers slice 208 comprises clamping part 218 and installation portion 219, and it is Z-shaped that integral body is, and also can think handle shape, and the revolution range of clamping part 218 is greater than the revolution range of installation portion 219, and clamping part 218 is provided with serrate slot 215.Serrate slot 215 is set on pincers slice 208 can realizes 4 clampings to workpiece, clamping is more firm; This Z-type pincers slice 208, during material folding, away from die face, during feeding, upset is 180 °, near die face, with workpiece, do not interfere during clamping, during feeding not with rush the tool assembly and interfere.Rotating seat 206 centers are consistent with workpiece centre, guarantee that every station workpiece do not interfere with mould.
As Fig. 5, shown in Figure 10, pincers slice 208 is two, corresponding gripper-arm 207 is also two, two interlaced settings of gripper-arm 207, gripper-arm 207 is bar linkage structure, gripper-arm 207 is provided with three links, the bottom link is provided with waist-shaped hole, pincers slice 208 is fixed on mounting hole, in order to adjust the upper-lower position of pincers slice 208, make workpiece can with the mould exactitude position.The upper linker of gripper-arm 207 is hinged on rotating seat 206, make pincers slice 208 to rotate 180 ° of upsets that realize workpiece with rotating seat 206, the middle part link of gripper-arm 207 is connected with pull bar 202 by connecting rod, gripper-arm 207 and rod hinge connection, connecting rod is hinged with pull bar 202 again, two gripper-arm 207 are crisscross arranged, and when pull bar 202 moved up, outwards opened the lower end of two gripper-arm 207, workpiece is released, otherwise when pull bar 202 moves down, workpiece is clamped.
As shown in Figure 1, shown in Figure 5, up/down perforation one axis hole is arranged in clamp seat 205, and rotating seat 206 is arranged in axis hole and can rotates in axis hole, in axis hole, between rotating seat 206 and clamp seat 205, rolling bearing is installed, makes rotating seat 206 can adapt to High Rotation Speed and long-term the use.The top of rotating seat 206 is installed with free gear 203, and the pivot center of free gear 203 is identical with the pivot center of rotating seat 206.upper and lower at rotating seat 206 is installed with respectively plain thrust bearing, i.e. the first plane bearing and the second plane bearing, clamp seat 205 is folded between the first plane bearing and the second plane bearing 217, the bottom of rotating seat 206 is provided with boss, the lower bearing of the second plane bearing 217 is conflicted on boss, free gear 203 is set in the first plane bearing top, the top of free gear 203 is provided with bearing lock nut 216, after tightening locking nut 216, free gear 203, the first plane bearing, rotating seat 206, clamp seat 205 and the second plane bearing 217 have been realized being fastenedly connected on axis, when system wear, guarantee fit clearance by adjusting top bearing lock nut 216, guarantee rotating seat 206 stability, pull bar 202 is by rotating seat 206 centers, slide up and down the formula matched in clearance, rotating shaft does not produce displacement difference in the rotation process, increase by 180 ° of upset holding workpiece stability.
As shown in Figure 5, Figure 9, the axis hole of one up/down perforation is also arranged in rotating seat 206, pull bar 202 is set in this axis hole, the bottom of pull bar 202 is provided with a positioning seat, and the position that restriction pull bar 202 moves up also stops pull bar 202 to rotate, and the top of pull bar 202 is arranged with a rotational lantern ring, rotational lantern ring is I-shaped, top is spacing by ferrule nut, and below is spacing by the shaft shoulder on pull bar 202, and rotational lantern ring can rotate freely but can not move up and down between the shaft shoulder and ferrule nut.
as Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 8, also fix a guide gear 210 on frame, guide gear 210 and free gear 203 are meshed, the reference radius of guide gear 210 and free gear 203 is than being 2:1, when clamp seat 205 moves left and right with sliding panel, free gear 203 also rotates on guide gear 210, 180 ° of the rotations of free gear 203 drive workpiece also Rotate 180 ° realize the processing of turning around of workpiece, for simplified design and can the assurance function effect, in the present embodiment, guide gear 210 and free gear 203 all are set to fan-shaped, the angle of guide gear 210 is 70 °, get final product greater than 60 °, the angle of free gear 203 is 160 °, greater than 120 °.In order to guarantee when the rotation of workpiece arrives the distance increase of die face, free gear 203 and guide gear 210 still can mesh well, and workpiece rotating puts in place, guide gear 210 comprises sector rack 220 and installing handle 221, installing handle 221 is provided with waist-shaped hole, frame is provided with 214, two set screw 214 of two set screw and conflicts respectively and be used for regulating the angle of sector rack 220 and free gear 203 initial engagements in the both sides at sector rack 220 backs.In addition for can Seriation Design movement rocking arm 101 and gear train, the centre-to-centre spacing of free gear 203 and fixed gear equals the length of the pin joint of movement rocking arm 101 to the capable jaw of the cake center of circle, equal the intermode distance between adjacent molds on frame, also equal the oscillating bar length of connecting rod rocking arm.
as Fig. 1, Fig. 3, shown in Figure 7, movement rocking arm 101 is hinged on rock arm rotary table 103, swing on rock arm rotary table 103, stir rotational lantern ring and move up and down displacement stability in order to guarantee movement rocking arm 101, one end of movement rocking arm 101 is provided with clicking section, the other end is provided with pushing part 104, clicking section is two vertical cheese jaws, the upper lower flange of the periphery of cheese jaw and rotational lantern ring contacts, friction between namely having reduced both, also ensured the uniformity of displacement, power source contacts movement rocking arm 101 is swung up and down with pushing part 104, and pushing part 104 is positioned on the rotation of rock arm rotary table 103.The angle that teeters of the rocking arm of movement simultaneously 101 must be identical, this has further ensured the uniformity of pull bar 202 upper and lower displacements, reduced after the workpiece rotating axis is changed, the displacement difference that pull bar 202 moves up and down, for clamp seat 205 positions adjustable, adjustable the providing the foundation of workpiece processing dimension scope, the applicant finds,, if the up and down pivot angle is different, be difficult to realize adjusting.Cam rocker arm 105 contacts movement rocking arm 101 is swung up and down with pushing part 104, and cam rocker arm 105 is provided with and the contacted touch part in pushing part 104.Be provided with the 3rd plane bearing between rock arm rotary table 103 and frame, pushing part 104 is positioned on the rotation of rock arm rotary table 103, also is positioned on the axis of the 3rd plane bearing.Frame is provided with clamping cylinder, and the Pneumatic top bar of clamping cylinder passes and contacts on pushing part 104 by the middle part of plane bearing, and Pneumatic top bar is positioned on the rotation of rock arm rotary table 103.Rock arm rotary table 103 comprises rotation section 107 and articulated section 108, and rotation section 107 is rotationally connected with the upper mounting plate of frame, and movement rocking arm 101 is hinged on articulated section 108, and articulated section 108 is extended upward by rotation section 107.
when the pivot center of rotating seat 206 surpasses certain limit to the change of distance between die face, movement rocking arm 101 originally will make the upper and lower displacement of pull bar 202 produce larger error, can't meet normal clamping and loosen workpiece, at this moment just need to change movement rocking arm 101, the displacement that moves up and down that swings up and down displacement and pull bar 202 of stirring fork 102 is adapted, when movement rocking arm 101 length change, can be by redesign movement rocking arm 101, the position of rock arm rotary table 103 upper link points realizes that the swing displacement of cheese jaw is identical, and change corresponding guide gear 210 and mesh with free gear 203, prevent from meshing bad, the problem that the workpiece turning angle is inadequate, so Seriation Design movement rocking arm 101 in the present invention, rock arm rotary table 103 and guide gear 210 can adapt to wider machined parameters adjustment.
Operation principle of the present invention is as follows:
The connecting rod rocking arm drives sliding panel and moves, sliding panel drives clamp seat 205 and moves, clamp seat 205 drives workpiece and moves to next station, in the process that clamp seat 205 moves, free gear 203 rotates on guide gear 210, driven rotary seat 206 rotates, and the rotation of rotating seat 206 drives 180 ° of upsets of workpiece.In process, rotating cam 106 is in quiescent centre, and it is static that cam rocker arm 105 also keeps, and clamping cylinder touches pushing part 104 and upwards swings, and the cheese jaw is to lower swing, and pushing drawing rod 202 moves down, clamping work pieces.After needs machined, rotating cam 106 just in time was in active region, and actuating cam rocking arm 105 moves up, touch part on cam rocker arm 105 moves down, and touches simultaneously pushing part 104 and also moves down, and the cheese jaw moves up, pull bar 202 also moves up, and pincers slice 208 discharges workpiece.
The axis that surpasses rotating seat 206 when the workpiece processing dimension to die face apart from the time, workpiece meeting and die face interfere, at this moment need to increase the distance of the axis of rotating seat 206 to die face, if the size of workpiece is more or less the same, at this moment the thickness of can be directly by increase, adjusting pad increases the distance of the axis of rotating seat 206 to die face, after increasing the thickness of adjusting pad, also need synchronously to adjust the position of guide gear 210, so that it can be good with free gear 203 engagements.When the size of workpiece is long, increase separately the thickness of adjusting pad, can cause the cheese jaw to be deviate from rotational lantern ring, at this time just need by changing the size of movement rocking arm 101, this can realize by changing movement rocking arm 101 and rock arm rotary table 103, movement rocking arm 101 after replacing and the upper and lower displacement of former movement rocking arm 101 at cheese jaw place should equate, if distance has surpassed guide gear 210 adjusting ranges, also need to change guide gear 210, further also can change whole clip claw assembly.Therefore we can carry out Seriation Design with movement rocking arm 101, guide gear 210, clip claw assembly, the workpiece range of work that different series is corresponding different.
The above embodiment of the present invention is only preferred embodiment, and those skilled in the art does under the guiding of technique scheme does not anyly have substantial improvement all to fall within the scope of protection of the present invention, and forms infringement.
Claims (10)
1. adjustable 180 ° of overturning clamp mechanisms of a cold header, comprise movement device (1), clamping jaw device (2), sliding stand (209) and frame;
Described movement device (1) comprises the movement rocking arm (101) that driven by power source and up and down reciprocatingly swing and the rock arm rotary table (103) of installation movement rocking arm (101); rock arm rotary table (103) rotary type is connected on frame, and movement rocking arm (101) is hinged on rock arm rotary table (103);
described clamping jaw device (2) comprises pull bar (202), rotating seat (206), clamp seat (205), gripper-arm (207) and pincers slice (208), gripper-arm (207) is provided with three links, respectively with pincers slice (208), pull bar (202) is connected 206 with rotating seat) connect, rotating seat (206) is set in clamp seat (205), pull bar (202) is set in rotating seat (206), the top of rotating seat (206) is fixed with free gear (203), be fixed with the guide gear (210) that is meshed with free gear (203) on frame, free gear (203) driven rotary seat (206) rotates in clamp seat (205), the top of pull bar (202) is arranged with rotational lantern ring (201), one end of described movement rocking arm (101) be provided with rotational lantern ring (201) suitable stir fork (102), movement rocking arm (101) swings up and down to be stirred pull bar (202) and moves up and down in rotating seat (206),
It is characterized in that, described clamp seat (205) is fixedly mounted on sliding stand (209), is provided with between clamp seat (205) and sliding stand (209) and adjusts the spacing that backing plate 4 is used between adjustable clamp clamp block (205) and sliding stand (209); The described fork (102) of stirring comprises two vertical cheese jaws, stirs fork (102) and rotational lantern ring (201) and is combined to form the cross work movable joint and completes translation and flip-flop movement for pincers slice (208); The pivot angle up and down of described movement rocking arm (101) equates; Described guide gear (210) is provided with for the waist-shaped hole that guide gear (210) and adjustment guide gear (210) position are installed, and the reference radius of described guide gear (210) and free gear (203) is than being 2:1.
2. adjustable 180 ° of overturning clamp mechanisms of cold header according to claim 1, it is characterized in that, described pincers slice (208) comprises clamping part (218) and installation portion (219), it is Z-shaped that integral body is, the revolution range of clamping part (218) is greater than the revolution range of installation portion (219), and clamping part (218) is provided with serrate slot (215).
3. adjustable 180 ° of overturning clamp mechanisms of cold header according to claim 1, it is characterized in that, described clip claw assembly comprises the first plane bearing (204), the locking nut (216) of the second plane bearing (217) and above-mentioned two plane bearings of locking, the first plane bearing (204) is folded between free gear (203) lower surface and clamp seat (205) end face, the second plane bearing (217) is folded between the lower boss and clamp seat (205) bottom surface of rotating seat (206), rotating seat (206) is set in clamp seat (205) by rolling bearing, locking nut (216) is located at free gear (203) top.
4. adjustable 180 ° of overturning clamp mechanisms of cold header according to claim 1, it is characterized in that, the other end of described movement rocking arm (101) is provided with pushing part (104), power source contacts movement rocking arm (101) is swung up and down with pushing part (104), and pushing part (104) are positioned on the rotation of rock arm rotary table (103).
5. adjustable 180 ° of overturning clamp mechanisms of cold header according to claim 4, is characterized in that, be provided with the 3rd plane bearing between described rock arm rotary table (103) and frame, described pushing part (104) are positioned on the axis of the 3rd plane bearing.
6. adjustable 180 ° of overturning clamp mechanisms of cold header according to claim 5, it is characterized in that, described frame is provided with clamping cylinder (3), the Pneumatic top bar of clamping cylinder (3) passes and contacts on pushing part (104) by the middle part of plane bearing, and Pneumatic top bar is positioned on the rotation of rock arm rotary table (103).
7. adjustable 180 ° of overturning clamp mechanisms of cold header according to claim 4, it is characterized in that, described power source comprises rotating cam (106) and cam rocker arm (105), cam rocker arm (105) is hinged on frame, rotating cam (106) actuating cam rocking arm (105) swings up and down, and cam rocker arm (105) is provided with and the contacted touch part in pushing part (104).
8. adjustable 180 ° of overturning clamp mechanisms of cold header according to claim 4, it is characterized in that, described rock arm rotary table (103) comprises rotation section (107) and articulated section (108), rotation section (107) is rotationally connected with the upper mounting plate of frame, movement rocking arm (101) is hinged on articulated section (108), and articulated section (108) are extended upward by rotation section (107).
9. adjustable 180 ° of overturning clamp mechanisms of the described cold header of according to claim 1 to 8 any one, it is characterized in that, described rotational lantern ring (201) is I-shaped, rotational lantern ring (201) freely is located between two cheese jaws stirring fork (102), and the periphery of cheese jaw contacts with the upper lower flange of rotational lantern ring (201).
10. adjustable 180 ° of overturning clamp mechanisms of cold header according to claim 1, it is characterized in that, described guide gear (210) comprises sector rack (220) and installing handle (221), installing handle (221) is provided with waist-shaped hole, frame is provided with two set screw (214), two set screw (214) are conflicted respectively and are used for regulating the angle of sector rack (220) and the initial engagement of free gear (203) in the both sides at sector rack (220) back, the centre-to-centre spacing of described free gear (203) and fixed gear equals the length of the pin joint of movement rocking arm (101) to the capable jaw of the cake center of circle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013103457705A CN103394626A (en) | 2013-08-09 | 2013-08-09 | Adjustable tongs mechanism capable of being turned over by 180 degrees of cold heading forming machine |
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| CN2013103457705A CN103394626A (en) | 2013-08-09 | 2013-08-09 | Adjustable tongs mechanism capable of being turned over by 180 degrees of cold heading forming machine |
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| CN104096791A (en) * | 2014-06-30 | 2014-10-15 | 浙江正一机械有限公司 | Automatic opening closing large clamp mechanism for 90-degree vertical overturning of cold heading forming machine |
| CN104148569A (en) * | 2014-08-12 | 2014-11-19 | 青岛华东工程机械有限公司 | Clamp head clamping mechanism of forging manipulator |
| CN104550614A (en) * | 2014-12-24 | 2015-04-29 | 宁波海星机械制造有限公司 | Product shifting fork mechanism of cold heading machine |
| CN105983640A (en) * | 2015-03-05 | 2016-10-05 | 冯鸣 | Multi-station screw forming device |
| CN107321890A (en) * | 2017-06-06 | 2017-11-07 | 嘉兴学院 | Hot upsetting device for automatically molding |
| CN107745048A (en) * | 2017-11-27 | 2018-03-02 | 昆山康美克自动化设备有限公司 | Jam riveter without rivet interlacement |
| CN107876683A (en) * | 2017-11-23 | 2018-04-06 | 宁波腾工精密机械制造有限公司 | Clamp adjustable length mechanism is opened in a kind of upset applied to cold headers |
| CN107931506A (en) * | 2017-10-12 | 2018-04-20 | 宁波新讯达机械科技有限公司 | A kind of cold headers gripping mechanism |
| CN108714634A (en) * | 2018-06-14 | 2018-10-30 | 湖南祥瑞智能机器有限公司 | A kind of Pneumatic clamping jaw device |
| CN109501831A (en) * | 2018-12-07 | 2019-03-22 | 中国铁道科学研究院集团有限公司 | Brake clamp rail changing device |
| CN109702133A (en) * | 2019-03-01 | 2019-05-03 | 都江堰市超越机械制造有限公司 | A kind of turning manipulator and the robot device for multistage cold former |
| CN110125296A (en) * | 2019-05-23 | 2019-08-16 | 王刚 | A kind of process equipment and processing method of the furnace body that gasifies |
| CN112536418A (en) * | 2020-11-17 | 2021-03-23 | 吴建康 | Adjustable overturning and clamping mechanical mechanism of cold heading forming machine |
| CN112589034A (en) * | 2020-12-18 | 2021-04-02 | 山东华民钢球股份有限公司 | Righting device for crank press blank and working method |
| CN110125296B (en) * | 2019-05-23 | 2024-04-26 | 王刚 | Processing equipment and processing method of gasification furnace body |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104096791A (en) * | 2014-06-30 | 2014-10-15 | 浙江正一机械有限公司 | Automatic opening closing large clamp mechanism for 90-degree vertical overturning of cold heading forming machine |
| CN104148569A (en) * | 2014-08-12 | 2014-11-19 | 青岛华东工程机械有限公司 | Clamp head clamping mechanism of forging manipulator |
| CN104550614A (en) * | 2014-12-24 | 2015-04-29 | 宁波海星机械制造有限公司 | Product shifting fork mechanism of cold heading machine |
| CN104550614B (en) * | 2014-12-24 | 2017-01-25 | 宁波海星机械制造有限公司 | Product shifting fork mechanism of cold heading machine |
| CN105983640A (en) * | 2015-03-05 | 2016-10-05 | 冯鸣 | Multi-station screw forming device |
| CN107321890B (en) * | 2017-06-06 | 2019-03-12 | 嘉兴学院 | Hot upsetting device for automatically molding |
| CN107321890A (en) * | 2017-06-06 | 2017-11-07 | 嘉兴学院 | Hot upsetting device for automatically molding |
| CN107931506B (en) * | 2017-10-12 | 2019-04-02 | 宁波新讯达机械科技有限公司 | A kind of cold headers gripping mechanism |
| CN107931506A (en) * | 2017-10-12 | 2018-04-20 | 宁波新讯达机械科技有限公司 | A kind of cold headers gripping mechanism |
| CN107876683A (en) * | 2017-11-23 | 2018-04-06 | 宁波腾工精密机械制造有限公司 | Clamp adjustable length mechanism is opened in a kind of upset applied to cold headers |
| CN107745048A (en) * | 2017-11-27 | 2018-03-02 | 昆山康美克自动化设备有限公司 | Jam riveter without rivet interlacement |
| CN107745048B (en) * | 2017-11-27 | 2024-03-26 | 昆山康美克自动化设备有限公司 | Pneumatic riveter without rivet connection |
| CN108714634A (en) * | 2018-06-14 | 2018-10-30 | 湖南祥瑞智能机器有限公司 | A kind of Pneumatic clamping jaw device |
| CN108714634B (en) * | 2018-06-14 | 2024-02-27 | 中电工业互联网有限公司 | Pneumatic clamping jaw device |
| CN109501831A (en) * | 2018-12-07 | 2019-03-22 | 中国铁道科学研究院集团有限公司 | Brake clamp rail changing device |
| CN109501831B (en) * | 2018-12-07 | 2024-04-26 | 中国铁道科学研究院集团有限公司 | Rail-changing device for brake clamp |
| CN109702133A (en) * | 2019-03-01 | 2019-05-03 | 都江堰市超越机械制造有限公司 | A kind of turning manipulator and the robot device for multistage cold former |
| CN110125296A (en) * | 2019-05-23 | 2019-08-16 | 王刚 | A kind of process equipment and processing method of the furnace body that gasifies |
| CN110125296B (en) * | 2019-05-23 | 2024-04-26 | 王刚 | Processing equipment and processing method of gasification furnace body |
| CN112536418A (en) * | 2020-11-17 | 2021-03-23 | 吴建康 | Adjustable overturning and clamping mechanical mechanism of cold heading forming machine |
| CN112589034A (en) * | 2020-12-18 | 2021-04-02 | 山东华民钢球股份有限公司 | Righting device for crank press blank and working method |
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