CN209036131U - It is a kind of can automatic indexing synchronous fixture - Google Patents

Abstract

The utility model belongs to field of mechanical technique, refer in particular to it is a kind of can automatic indexing synchronous fixture, including jig main body, jig main body upper end two sides offer a sliding groove, sliding is equipped with slide plate in the sliding groove, fixed left clamping jaw and right clamping jaw are distinguished on slide plate described in two sides, the right fixture upper angle positioning mechanism, the angle positioning is interior to be equipped with a driven shaft；Angle turnover mechanism is provided on the left fixture, the angle turnover mechanism includes first shell, a rotation axis for being used for flip angle is equipped in the first shell, the rotation axis side is connected with the driving device of driving rotation axis rotation, and the rotation axis and driven shaft are coaxially oppositely arranged.The purpose of the utility model is to provide a kind of stable structure, can repeatedly be quickly converted automatically workpiece angle, it is with long service life can automatic indexing synchronous fixture.

Description

It is a kind of can automatic indexing synchronous fixture

Technical field

The utility model belongs to field of mechanical technique, refer in particular to it is a kind of can automatic indexing synchronous folder.

Background technique

Currently, can only be as single opening and closing pinching action in view of the two pawl synchronous fixture of crank type to circulate in the market Holding function has been unable to cope with the work variation of multi-angle, in operation if it is intended to the angle of turning of work piece just needs Artificial carries out disassembly installation, and use process complexity is cumbersome, and increases manpower, affects working efficiency, described to be badly in need of one kind Can " machine substitute human labor ", be not necessarily to mutual disassembly's clamping when realizing work, workpiece can carry out angle directly on fixture The fixture of conversion and positioning.

Utility model content

The purpose of the utility model is to provide a kind of stable structure, it can repeatedly be quickly converted workpiece angle, use automatically Service life it is long can automatic indexing synchronous folder.

Purpose of the utility model is realized as follows: it is a kind of can automatic indexing synchronous fixture, including jig main body, institute It states jig main body upper end two sides and offers a sliding groove, slided in the sliding groove and be equipped with slide plate, on slide plate described in two sides Fixed first shell and second shell respectively, are equipped with angle positioning in the second shell, in the angle positioning Equipped with a driven shaft；Angle turnover mechanism is provided in the first shell, the angle turnover mechanism includes left clamping jaw, described Left clamping jaw side is equipped with a rotation axis for being used for flip angle, and the rotation axis side is connected with the driving of driving rotation axis rotation Device, the rotation axis and driven shaft are coaxially oppositely arranged.

Preferably, the driving device includes positive overturning straight tooth row and negative overturning straight tooth row and fluid power system；Institute Stating rotation axis is gear shaft, and the gear shaft two sides are respectively arranged with the positive overturning straight tooth row being meshed therewith and negative overturning straight-tooth Row, the positive overturning straight tooth row and negative overturning straight tooth row are arranged in the movable chamber opened up in first shell, the movable chamber It is connected with fluid power system, the positive overturning straight tooth row band movable gear shaft of fluid power system driving rotates.

Preferably, the fluid power system includes fuel tank, the oil pump for low pressure oil to be converted to high pressure oil, solenoid valve And the oil pipe of slide plate two sides is set, described oil pipe one end is connected with hydraulic hole, and the hydraulic hole setting is in just overturning straight-tooth The lower section of row and negative overturning straight tooth row, the fuel tank side are connected with oil pump, and described oil pump one end is connected with solenoid valve, the electricity Magnet valve is connected by oil pipe and hydraulic hole with movable chamber.

Preferably, the gear shaft both ends are respectively provided with the first bearing and second bearing for reducing friction, and described the One bearing side is equipped with the first oil sealing for preventing oil leak, and one is arranged with outside first oil sealing and is fixed on the first shell First end cover, the second bearing side are equipped with the second oil sealing for preventing oil leak, and first oil sealing and the second oil sealing are solid The both ends of gear shaft are scheduled on, a limit for the axial movement of limiting gear axis is bolted between first oil sealing and first bearing Position nut.

Preferably, a runner is equipped between two movable chambers, the runner side is provided with one for lubricating first axle The through-hole held.

Preferably, an end cap for air-tight movable chamber is fixed in the first shell.

Preferably, the first shell two sides are respectively provided with the first oilhole and the of part in lubrication movable chamber Two oilholes.

Preferably, two sides movable chamber is divided into admission chamber and lubrication by the positive overturning straight tooth row and negative overturning straight tooth row Chamber, the admission chamber are connected with hydraulic hole, and lubricating cavity described in two sides has been respectively communicated with the first oilhole and the second lubricating oil Hole.

Preferably, the angle positioning includes right clamping jaw, and the right clamping jaw side is equipped with driven shaft, the driven shaft On form one for limiting rotation angle blocking portion, the second shell side be equipped at least one stop column, it is described Column is stopped to be resisted against the two sides of blocking portion.

Preferably, the driven shaft both ends are respectively provided with the 3rd bearing and fourth bearing for reducing friction, and described the Three bearing sides are equipped with the third oil sealing for preventing oil leak, and one is arranged with outside the third oil sealing and is fixed on the second housing Second end cover, the fourth bearing side are equipped with the 4th oil sealing for preventing oil leak, and the third oil sealing and the 4th oil sealing are solid The both ends of gear shaft are scheduled on, one is bolted between the third oil sealing and 3rd bearing for limiting the limit of driven shaft axial movement Position nut.

Preferably, the jig main body includes shell, and slide plate is provided on the shell, is provided with song in the shell Handle, the crank upper end are connected with slide plate, and the crank lower end is connected with the piston of setting inside the shell, work as piston upwards When, drive the slide plate to two outer Slideslips；When the piston is moving down, drive the slide plate to Slideslip in two.

Compared with the prior art, the utility model has prominent and beneficial technical effects that:

1. the angle turnover mechanism of the utility model can by straight tooth row band movable gear shaft carry out angle overturning, it is such from Dynamicization can be reduced for multi-angle and repeated clamping bring scale error.

2. the utility model can carry out indexing operation during spindle operation, can also be carried out between multiple working shafts fast Fast conversion angle can reduce the process of mutual disassembly's clamping workpiece, increase the efficiency of production.

Detailed description of the invention

Fig. 1 is the structure diagram of the utility model；

Fig. 2 is the utility model asphalt principle schematic diagram；

Fig. 3 is one of the cross-sectional view of the utility model angle turnover mechanism；

Fig. 4 is the two of the cross-sectional view of the utility model angle turnover mechanism；

Fig. 5 is the three of the cross-sectional view of the utility model angle turnover mechanism；

Fig. 6 is one of the cross-sectional view of the utility model angle positioning；

Fig. 7 is the two of the cross-sectional view of the utility model angle positioning；

Fig. 8 is the structure diagram of the utility model jig main body；

Fig. 9 is the cross-sectional view of the utility model jig main body；

Figure 10 is the enlarged drawing that A goes out in Fig. 9.

In figure: 1- jig main body；11- sliding groove；12- slide plate；The left clamping jaw of 13-；The right clamping jaw of 14-；15- admission chamber；16- profit Sliding chamber；2- angle turnover mechanism；21- first shell；22- rotation axis；23- driving device；The first oilhole of 24-；25- second Oilhole；26- just overturns straight tooth row；The negative overturning straight tooth row of 27-；28- movable chamber；3- angle positioning；31- second shell Body；32- driven shaft；33- blocking portion；34- stops column；35- accommodation groove；36- 3rd bearing；37- fourth bearing；38- third oil Envelope；39- second end cover；4- gear shaft；The 4th oil sealing of 40-；41- first bearing；42- second bearing；The first oil sealing of 43-；44- One end cap；The second oil sealing of 45-；46- limit screw cap；5- fluid power system；51- fuel tank；52- oil pump；53- solenoid valve；54- oil Pipe；The hydraulic hole 55-；6- runner；7- through-hole；8- sealing ring；82- shell；83- crank；84- piston；85- piston bush；86- lid Plate；87- installation cavity；88- oil inlet；89- pipeline；90- control system；91- sealing element；92- dustproof cover one；93- oil filler point； 94- dustproof cover two；95- groove one；96- groove two；97- revolving part；98- swivelling chute；99- end cap.

Specific embodiment

The utility model is described further with specific embodiment below.

As Figure 1-10 shows, it is a kind of can automatic indexing synchronous fixture, including jig main body 1,1 upper end of jig main body Two sides offer a sliding groove 11, slide in the sliding groove 11 and are equipped with slide plate 12, solid respectively on slide plate 12 described in two sides If first shell 21 and second shell 31, angle positioning 3, the angle positioning 3 are equipped in the second shell 31 Inside it is equipped with a driven shaft 32；Angle turnover mechanism 2 is provided in the first shell 21, the angle turnover mechanism 2 includes a left side Clamping jaw 13, left 13 side of clamping jaw are equipped with a rotation axis 22 for being used for flip angle, and 22 side of rotation axis is connected with drive The driving device 23 that turn moving axis 22 rotates, the rotation axis 22 and driven shaft 32 are coaxially oppositely arranged.

The angle turnover mechanism 2 of the technical program can carry out the overturning of angle during work pieces process, eliminate The cumbersome process of artificial disassembling, assembling and replacing workpiece, reduces the error amount generated in disassembly process, the progress of production is higher, increases Production efficiency, angle needed for angle positioning 3 can easily adjust out workpieces processing during workpiece rotation increase The precision of workpiece entirety.

Angle turnover mechanism 2 and angle positioning 3 are arranged on slide plate the technical program, being capable of more convenient work Part on platform is processed, and the power source in jig main body 1 directly controls slide plate 12 and moved, and can reduce operator It is threadably secured the cumbersome procedure when workpiece when dismounting workpiece, more saving manpower, considerably increases the efficiency of production.

The technical program scheme can be used the driving rotation axis 22 such as motor, motor and rotate, and rack-and-pinion also can be used Mode drive rotation axis 22 rotate, can also use oil liquid oil inlet mode drive rotation axis 22 rotate or turbine and worm drive The modes such as dynamic, driving device 23 can be the modes such as motor, motor, rack gear.

Preferably, the driving device 23 includes positive overturning straight tooth row 26 and negative overturning straight tooth row 27 and hydraulic-driven system System 5；The rotation axis 22 is gear shaft 4, and 4 two sides of gear shaft are respectively arranged with the positive overturning straight tooth row 26 being meshed therewith With negative overturning straight tooth row 27, the positive overturning straight tooth row 26 and negative overturning straight tooth row 27 are arranged to be opened up in first shell 21 In movable chamber 28, the movable chamber 28 is connected with fluid power system 5, and the fluid power system 5 drives positive overturning straight tooth row 26 band movable gear shafts 4 rotate.

The technical program fluid power system 5 makes oil pressure actuated just overturn straight tooth row 26 and negative overturning 27 sliding tooth of straight tooth row Wheel shaft 4 carries out positive and negative overturning, positive to overturn straight tooth row 26 and the negative two sides for overturning straight tooth row 27 and being separately positioned on gear shaft 4, when just Straight tooth row 26 is overturn toward decline, overturning straight tooth row 27 is born toward rising, is oppositely arranged up and down between the two, such mode is in fixture Be in the setting of pawl it is at low cost, it is high-efficient, switching it is fast.When fluid power system 5 drives positive overturning straight tooth row 26 to rise It waits, the positive straight tooth row 26 that overturns is rotated with movable gear shaft 4, this when, negative overturning straight tooth row 27 will by the drive of gear shaft 4 It moves down, realizes that the left clamping jaw 13 on gear shaft 4 carries out the rotation of workpiece.

In the technical program in movable chamber 28 when just overturning 26 bottom of straight tooth row and slide plate 12 contact, in rising Just overturning straight tooth row 26 is driven with movable gear shaft 4 in the process, while the rotation of gear shaft 4 is able to drive in left side movable chamber 28 Oil enters in the movable chamber 28 of the right.

Preferably, the fluid power system 5 include fuel tank 51, the oil pump 52 for low pressure oil to be converted to high pressure oil, Solenoid valve 53 and the oil pipe 54 that 12 two sides of slide plate are arranged in, 54 one end of the oil pipe are connected with hydraulic hole 55, the hydraulic hole 55 are arranged in the lower section of positive overturning straight tooth row 26 and negative overturning straight tooth row 27, and 51 side of fuel tank is connected with oil pump 52, described 52 one end of oil pump is connected with solenoid valve 53, and the solenoid valve 53 is connected by oil pipe 54 and hydraulic hole 55 with movable chamber 28.

If just overturning straight tooth row 26 needs to rise in the technical program, oil pump 52 is pumped from fuel tank 51, will be oily Low pressure oil in case 51 is converted to high pressure oil, enters movable chamber by hydraulic hole 55 by the oil pipe 54 on 53 left side of solenoid valve later 28, this is because just overturning straight tooth row 26 is lifted up by the entrance of high pressure oil, turned over simultaneously because just overturning straight tooth row 26 and bearing Turn straight tooth row 27 to be all engaged on gear shaft 4, so at this moment negative overturning straight tooth row 27, will be in the right movable chamber 28 to decline Oil returned in fuel tank 51 by the oil pipe 54 on the right, if negative overturning straight tooth row 27 needs ramp up, high pressure oil passes through the right Oil pipe enters in movable chamber 28, to realize the reset rotation of gear shaft 4.The oil pipe 54 opens up hydraulic with 12 two sides of slide plate The one end in hole 55 is connected, and the other end in the hydraulic hole 55 is arranged under positive overturning straight tooth row 26 and negative overturning straight tooth row 27 Material is more saved in side, such setting, greatly reduces the cost of production, and the hydraulic hole 55 in two sides all has feed liquor and returns liquid Effect, when straight tooth row rise when for feed liquor when straight tooth row decline when be back liquid.

Preferably, 4 both ends of gear shaft are respectively provided with the first bearing 41 and second bearing 42 for reducing friction, institute It states 41 side of first bearing and is equipped with the first oil sealing 43 for preventing oil leak, one is arranged with outside first oil sealing 43 and is fixed on the First end cover 44 on one shell 21,42 side of second bearing are equipped with the second oil sealing 45 for preventing oil leak, and described the One oil sealing 43 and the second oil sealing 45 are fixed on the both ends of gear shaft 4, are bolted between first oil sealing 43 and first bearing 41 One limit screw cap 46 being axially moved for limiting gear axis 4.

The technical program first bearing 41 and second bearing 42 can effectively prevent gear shaft 4 from frequently overturning back and forth It damages in the process, the frictional force generated in 4 rotation process of gear shaft can be effectively reduced, increase the service life of gear shaft 4； First bearing 41 and second bearing 42 can be effectively protected in the setting of first oil sealing 43 and the second oil sealing 45, increase first bearing 41 and second bearing 42 service life；Limit screw cap 46 can effectively prevent gear shaft 4 from sliding axially, and influence gear shaft 4 service life.

Preferably, be equipped with a runner 6 between two movable chambers 28,6 side of runner be provided with one for lubricate the The through-hole 7 of one bearing 41.

The technical program runner 6 can realize turning for the oil liquid in two movable chambers 28 when 4 conversion direction of gear shaft It changes, and runner 6 can also play and oil be entered through-hole 7 can effectively prevent first bearing 41 from can occur using after long The case where getting rusty increases the service life that bearing uses.

Preferably, an end cap for air-tight movable chamber 28 is fixed in the first shell 21.

The technical program is when end cap, which is arranged, in movable chamber 28 can prevent straight tooth row from generating damage during the motion Facilitate maintenance, and such setting is more convenient when be opened first shell 21, can reduce cost, the end cap and The sealing ring for preventing oil leak in movable chamber is additionally provided between movable chamber 28.

Preferably, 21 two sides of first shell are respectively provided with the first oilhole of part in lubrication movable chamber 28 24 and second oilhole 25.

Preferably, two sides movable chamber is divided into 15 He of admission chamber by the positive overturning straight tooth row 26 and negative overturning straight tooth row 27 Lubricating cavity 16, the admission chamber 15 are connected with hydraulic hole 55, and lubricating cavity 16 described in two sides has been respectively communicated with the first oilhole 24 and second oilhole 25.

Admission chamber 15 in the technical program, which is positive, overturns straight tooth row 26 and negative overturning straight tooth row 27 rising positive overturning later The chamber that the bottom of the bottom and movable chamber 28 of straight tooth row 26 and negative overturning straight tooth row 27 is formed；Lubricating cavity 16, which is positive, overturns straight-tooth Row 26 and negative overturning straight tooth row 27 decline positive overturning straight tooth row 26 later and the negative top for overturning straight tooth row 27 and movable chamber 28 The chamber that top is formed.

Preferably, the angle positioning 3 includes right clamping jaw 14, and right 14 side of clamping jaw is equipped with driven shaft 32, institute The blocking portion 33 that one is formed on driven shaft 32 for limiting rotation angle is stated, 31 side of second shell is equipped at least one Root stops column 34, the two sides for stopping column 34 to be resisted against blocking portion 33.

The technical program, which resists blocking portion 33 by stopping column 34, can effectively prevent workpiece rotation excessively, nothing occur The case where legal position, and angle positioning 3 can be realized and accurately position, and can reduce the error shadow because generating in positioning The machining accuracy of workpiece is rung, the shape of the blocking portion 33 is sector, and the angular range of the sector is institute between 30 ° -180 ° It states and stops column 34 that can be one, shape is Y-shaped, for resisting blocking portion 33, prevents angle rotation excessively, the blocking column 34 can be two, be respectively held against two end faces for stopping column 34.

Preferably, there are two accommodation groove 35, the blocking column 34 is mounted on accommodation groove for 31 side of the second shell setting In 35.

The accommodation groove 35 of technical solution itself can reduce the space occupied, column 34 will be stopped to sink in accommodation groove 35, energy Enough prevent in process operator accidentally touch and stop column 34, injured situation occurs.

Preferably, 32 both ends of driven shaft are respectively provided with the 3rd bearing 36 and fourth bearing 37 for reducing friction, 36 side of 3rd bearing is equipped with the third oil sealing 38 for preventing oil leak, is arranged with one outside the third oil sealing 38 and is fixed on Second end cover 39 in second shell 31,37 side of fourth bearing is equipped with the 4th oil sealing 40 for preventing oil leak, described Third oil sealing 38 and the 4th oil sealing 40 are fixed on the both ends of gear shaft 4, are spirally connected between the third oil sealing 38 and 3rd bearing 36 There is a limit screw cap 46 being axially moved for limiting driven shaft 32.

The technical program 3rd bearing 36 and fourth bearing 37 can effectively prevent driven member 32 from frequently overturning back and forth During damage, can effectively reduce the frictional force generated in 32 rotation process of driven member, increase the use of driven member 32 Service life；The setting of third oil sealing 38 and the 4th oil sealing 40 can effective protection 3rd bearing 36 and fourth bearing 37, increase third The service life of bearing 36 and fourth bearing 37；Limit screw cap 46 can effectively prevent driven shaft 32 from sliding axially, and influence The service life of driven member 32.

Preferably, the jig main body 1 includes shell 82, is provided with slide plate 12 on the shell 82, in the shell 82 It is provided with crank 83,83 upper end of crank is connected with slide plate 12, piston crank 83 lower end and be arranged in shell 82 84 are connected, and when piston 84 moves upwards, drive the slide plate 12 to two outer Slideslips；When piston 84 moves downward, driving Slideslip in the slide plate 12 to two.

Jig main body 1 described in the technical program, including shell 82, crank 83, piston 84 and piston bush 85, the slide plate 12 It being set on shell 82, the crank 83 is set in shell 82, and 83 both ends of crank connect the sliding block 81 and piston 84, There is removable space between piston 84 and the piston bush 85, the piston bush 85 is set in outside piston 84；On the shell 82 It is provided with cover board 86, cover board 86 and shell 82 can form the installation cavity 87 for placing crank 83；The cover board 86 offers oil inlet 88, oil inlet 88 is connected with control system 90 by pipeline 89, can control the disengaging and metering of oil liquid by control system 90.

This working principle are as follows: two pawl synchronous fixture of crank type is for carrying out clamping to machined object on lathe to real The firm fixation of machined object before now processing.Its sliding block 1 is two simultaneously, and each slide plate 12 is corresponding with a crank 83, During aid or release article, two slide plates 12 are to move synchronously, and then realize that two pawls are synchronous.

Concrete operating principle is by oil pressure actuated piston 84 to bottom offset, while piston 84 pulls crank 83 to allow sliding block 82 displacements to the right are to clamp machined object.If instead piston 84 shifts up, to pull crank 83 will be with slide plate 12 unclamp machined object to left dislocation in turn.

On the basis of original, the utility model is provided with cover board 86 on shell 82, and cover board 86 is set to crank 83 Bottom, while cover board 86 and shell 82 can form the installation cavity 87 for placing crank 83, and then can prevent the entrance of sundries.And it covers Plate 86 offers oil inlet 88, and oil inlet 88 is connected with control system 90 by pipeline 89, passes through the controllable liquefaction of control system 90 The disengaging and metering of liquid.To can provide at regular time and quantity and the oil-air lubrication of duration.It manually will be changed to automate simultaneously, reduce Efficiency is also high and also more accurate in injection flow this respect while the consumption of manpower.

And control system here is mainly gas source processing element, at the same gas source processing element refer to air filter, Pressure reducing valve and oil sprayer.And gas source processing element (air-source treater) includes many elements such as air filter, pressure reducing valve, Oil sprayer, water trap, drier etc..Its working principle is that: compressed air initially enters air filter, through water removal leaching purification Enter pressure reducing valve afterwards, controls the pressure of gas after depressurizing to meet the requirement of pneumatic system, the pressure stabilizing gas of output is most laggard Enter oil sprayer, compressed air will be mixed into after lubricating oil atomization and transports to pneumatic device together.

Preferably, sealing element 91 is provided between the cover board 86 and piston bush 85,91 upper end of sealing element is fastened on cover board Gap between 86 and piston 85,91 bottom end of sealing element are resisted against on piston bush 85.

In front on the basis of working principle, sealing element 91 is provided between cover board 86 and piston bush 85, wherein sealing element 91 upper ends are fastened on the gap between cover board 86 and piston bush 85, for preventing oil leak.91 bottom end of sealing element is resisted against work simultaneously On plug sleeve 85, by 85 fixing seals 91 of piston bush, thus fixed cover board 86.In actual use, using simple Structure realizes required function, to keep structure more stable and process to for convenience, while cost is lacked again.

Preferably, dustproof cover 1 is provided on the slide plate 12, between dustproof cover 1 is covered between two slide plates 12 In gap.

In front on the basis of working principle, dustproof cover 1 is provided on slide plate 12, and dustproof cover 1 is covered on two On gap between slide plate 12, the entrance of sundries, and then the structure inside protection are thus prevented, to prolong the service life.

Preferably, the slide plate 12 offer can manual oiling oil filler point 93,93 inner end of oil filler point is linked with oil duct, oil Lead to the installation cavity 87 in road, and dustproof cover 2 94 is provided on the shell 82, and dustproof cover 2 94 is resisted against 12 side of slide plate.

In front on the basis of working principle, slide plate 12 offers oil filler point 93, thus this is practical in addition to that can automate profit It is sliding outer, can also manual lubrication, and then can still be lubricated situations such as out of power, to protect the utility model, and then extend and make Use the service life.

It is provided with dustproof cover 2 94 on shell 82 simultaneously, dustproof cover 2 94 is resisted against 12 side of slide plate, can prevent from manually moistening Sliding oil leak, the structure prevented also from the entrance of sundries, and then inside protecting, to prolong the service life.

Preferably, the piston 4 is " king " font, and piston 84 opens up fluted 1 and groove 2 96, the crank 83 It is fastened in groove 1, the groove 2 96 forms removable space with piston bush 85.

In front on the basis of working principle, piston 84 is " king " font, and piston 84 opens up fluted 1 and groove two 96.Wherein crank 83 is fastened in groove 1, and crank 83 interconnecting piece it is similar be trapezoidal, while groove 1 is rectangular Shape, to make the rotation of crank 83 be connected on piston 84, and the interconnecting piece both ends of crank 83 are resisted against groove 1, to prevent Crank 83 is detached from groove 1.Groove 2 95 and piston bush 85 form removable space simultaneously, to keep piston 84 free It moves up and down in piston bush 85.In actual use, using simple structure, required function is realized, to make structure More stable and processing is given for convenience, while cost is again few.

Secondly 83 both ends of crank are to be connected separately with slide plate 12 and piston 84, and be provided with main shaft in the middle part of crank 83, bent Handle 83 is rotated by the center of circle of main shaft.Entire fixture passes through the rotary motion for moving up and down drive crank 83 of piston 84 simultaneously, The horizontal movement of slide plate 12 is driven again.In actual use, using simple structure, required function is realized, to make to tie Structure is more stable and processing is given for convenience, while cost is again few.

Preferably, revolving part 97 is provided on the crank 83, the corresponding revolving part 97 of the slide plate 12 offers mounting groove 98。

In front on the basis of working principle, revolving part 97, while the corresponding revolving part 97 of slide plate 12 are provided on crank 83 Offer swivelling chute 98.And crank 83 is adapted by revolving part 97 and swivelling chute 98 to which rotation is connected on slide plate 12.It is real In the use process of border, using simple structure, required function is realized, thus keep structure more stable and process to for convenience, Cost is again few simultaneously.

Preferably, 98 shape of mounting groove is downwardly open tubaeform, and 97 both ends of revolving part are resisted against installation On slot 98.

In front on the basis of working principle, 98 shape of mounting groove be it is downwardly open tubaeform, by rectangle above With following trapezoidal composition.97 both ends of revolving part are resisted against the rectangle position on mounting groove 98 simultaneously, to prevent crank 83 It falls off.In actual use, using simple structure, realize required function, thus keep structure more stable and process to For convenience, while cost is again few.

Above-described embodiment is only the preferred embodiment of the utility model, not limits the protection model of the utility model according to this It encloses, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by the protection of the utility model Within the scope of.

Claims (11)

1. one kind can automatic indexing synchronous fixture, which is characterized in that including jig main body (1), jig main body (1) upper end Two sides offer a sliding groove (11), and sliding is equipped with slide plate (12) in the sliding groove (11), slide plate (12) described in two sides The upper fixed first shell of difference (21) and second shell (31), the second shell (31) is interior to be equipped with angle positioning (3), institute It states in angle positioning (3) and is equipped with a driven shaft (32)；Angle turnover mechanism (2) are provided on the first shell (21), The angle turnover mechanism (2) includes left clamping jaw (13), and left clamping jaw (13) side is equipped with a rotation for being used for flip angle Axis (22), rotation axis (22) side are connected with the driving device (23) of driving rotation axis (22) rotation, the rotation axis (22) it is coaxially oppositely arranged with driven shaft (32).

2. one kind according to claim 1 can automatic indexing synchronous fixture, which is characterized in that the driving device (23) Including just overturning straight tooth row (26) and negative overturning straight tooth row (27) and fluid power system (5)；The rotation axis (22) is tooth Wheel shaft (4), gear shaft (4) two sides are respectively arranged with the positive overturning straight tooth row (26) being meshed therewith and negative overturning straight tooth row (27), positive overturning straight tooth row (26) and negative overturning straight tooth row (27) are arranged at the movable chamber opened up in first shell (21) (28) in, the movable chamber (28) is connected with fluid power system (5), the positive overturning straight-tooth of fluid power system (5) driving (26) band movable gear shaft (4) is arranged to rotate.

3. one kind according to claim 2 can automatic indexing synchronous fixture, which is characterized in that the fluid power system It (5) include fuel tank (51), the oil pump (52) for low pressure oil to be converted to high pressure oil, solenoid valve (53) and setting in slide plate (12) oil pipe (54) of two sides, described oil pipe (54) one end are connected with hydraulic hole (55), and hydraulic hole (55) setting is just being turned over Turn the lower section of straight tooth row (26) and negative overturning straight tooth row (27), fuel tank (51) side is connected with oil pump (52), the oil pump (52) one end is connected with solenoid valve (53), and the solenoid valve (53) passes through oil pipe (54) and hydraulic hole (55) and movable chamber (28) phase Even.

4. one kind according to claim 2 can automatic indexing synchronous fixture, which is characterized in that the gear shaft (4) two End is respectively provided with the first bearing (41) and second bearing (42) for reducing friction, and first bearing (41) side, which is equipped with, to be used In the first oil sealing (43) for preventing oil leak, be arranged with outside first oil sealing (43) one be fixed on first shell (21) first End cap (44), second bearing (42) side are equipped with the second oil sealing (45) for preventing oil leak, first oil sealing (43) It is fixed on the both ends of gear shaft (4) with the second oil sealing (45), is bolted between first oil sealing (43) and first bearing (41) One limit screw cap (46) being axially moved for limiting gear axis (4).

5. one kind according to claim 3 can automatic indexing synchronous fixture, which is characterized in that two movable chambers (28) Between be equipped with a runner (6), runner (6) side is provided with one for lubricating the through-holes (7) of first bearing (41).

6. one kind according to claim 1 can automatic indexing synchronous fixture, which is characterized in that the first shell (21) On be fixed with one for air-tight movable chamber (28) end cap (99).

7. one kind according to claim 6 can automatic indexing synchronous fixture, which is characterized in that the first shell (21) Two sides are respectively provided with first oilhole (24) and the second oilhole (25) of lubrication movable chamber (28) interior part.

8. one kind according to claim 2 can automatic indexing synchronous fixture, which is characterized in that the positive overturning straight tooth row (26) and two sides movable chamber is divided into admission chamber (15) and lubricating cavity (16), the admission chamber (15) by negative overturning straight tooth row (27) It is connected with hydraulic hole (55), lubricating cavity described in two sides (16) has been respectively communicated with the first oilhole (24) and the second oilhole (25)。

9. one kind according to any one of claims 1 to 8 can automatic indexing synchronous fixture, which is characterized in that the angle Spending positioning mechanism (3) includes right clamping jaw (14), and right clamping jaw (14) side is equipped with driven shaft (32), on the driven shaft (32) A blocking portion (33) for limiting rotation angle is formed, second shell (31) side is equipped at least one and stops column (34), the two sides for stopping column (34) to be resisted against blocking portion (33).

10. one kind according to claim 9 can automatic indexing synchronous fixture, which is characterized in that the driven shaft (32) Both ends are respectively provided with the 3rd bearing (36) and fourth bearing (37) for reducing friction, and 3rd bearing (36) side is equipped with For preventing the third oil sealing (38) of oil leak, be arranged with outside the third oil sealing (38) one be fixed on second shell (31) the Two end caps (39), fourth bearing (37) side are equipped with the 4th oil sealing (40) for preventing oil leak, the third oil sealing (38) and the 4th oil sealing (40) is fixed on the both ends of gear shaft (4), spiral shell between the third oil sealing (38) and 3rd bearing (36) One is connected to for limiting the limit screw cap (46) of driven shaft (32) axial movement.

11. one kind according to claim 1 can automatic indexing synchronous fixture, which is characterized in that the jig main body (1) It including shell (82), is provided with slide plate (12) on the shell (82), is provided with crank (83), the song in the shell (82) Handle (83) upper end is connected with slide plate (12), and crank (83) lower end is connected with the piston (84) being arranged in shell (82), when When piston (84) moves upwards, drive the slide plate (12) to two outer Slideslips；When piston (84) moves downward, described in driving Slide plate (12) is to Slideslip in two.