Utility model content
The purpose of this utility model is in that to propose a kind of clamping mechanism, it is possible to the problem solving the structure complexity, difference in response and the structural stability difference that exist in prior art.
Another purpose of the present utility model is in that to propose a kind of injection molding apparatus, and it adopts clamping mechanism as described above.
Another purpose of the present utility model is in that to propose a kind of die-cast formation equipment, and it adopts clamping mechanism as described above.
For reaching this purpose, this utility model by the following technical solutions:
A kind of clamping mechanism, it includes pull bar, rotates band-type brake execution and transmission component, locked mode driving assembly, rotation band-type brake nut, wherein: described locked mode drives and is provided with rotation band-type brake nut in the centre bore of assembly, and described locked mode drive assembly that band-type brake nut is rotated to move along the direction of its central shaft;
Described rotation band-type brake nut and locked mode drive assembly to be rotationally connected, described rotation band-type brake nut performs and rotates under the drive of transmission component rotating band-type brake, and rotates band-type brake nut and change in it matching relationship of outer tooth on tooth and pull bar and realize band-type brake by rotating and open a sluice gate.
A kind of preferred version as above-mentioned clamping mechanism; described rotation band-type brake nut is provided with in multiple row tooth along its central axis direction; the groove of radian such as there is between adjacent interior tooth; described pull bar and the one end rotating band-type brake nut screw connection are provided with the outer tooth of multiple row; the groove of radian such as there is between adjacent outer tooth; form band-type brake when Nei Ya and outer tooth are in engagement, open a sluice gate when Nei Ya and outer tooth are in formation when completely disengaging from state.
As a kind of preferred version of above-mentioned clamping mechanism, described rotation band-type brake nut is arranged on dynamic model assembly, and described pull bar is arranged on cover half assembly, and in described rotation band-type brake nut tooth at the direction upper tooth towards cover half from increasing successively.
As a kind of preferred version of above-mentioned clamping mechanism, described rotation band-type brake performs and transmission component includes rotating band-type brake executive module, rotates band-type brake big hinging ear assembly, rotates band-type brake push-rod assembly and rotate the little hinge ear assembly of band-type brake;
One end of described rotation band-type brake push-rod assembly is provided with rotation band-type brake big hinging ear assembly, the other end arranges the rotation little hinge ear assembly of band-type brake, rotates band-type brake push-rod assembly and is connected with rotating band-type brake nut rotation by rotating band-type brake big hinging ear assembly or the rotation little hinge ear assembly of band-type brake;
Described rotation band-type brake executive module is the power output part rotating band-type brake execution and transmission component, and its clutch end is connected with rotating band-type brake nut rotation by rotating the little hinge ear assembly of band-type brake;
And when rotating the band-type brake nut direction along its central shaft and moving, rotation band-type brake nut is rotated band-type brake push-rod assembly by rotation band-type brake big hinging ear assembly and moves integrally.
A kind of preferred version as above-mentioned clamping mechanism; one end that described rotation band-type brake push-rod assembly is connected with rotation band-type brake nut by little hinge ear assembly can be moved along the central axis direction rotating band-type brake nut, and one end that described rotation band-type brake push-rod assembly is connected with rotation nut by big hinging ear assembly is fixed relative to the central axis direction rotating band-type brake nut.
As a kind of preferred version of above-mentioned clamping mechanism, described locked mode drives assembly to include locking piston assembly and Mode-locking oil cylinder assembly, and described locking piston assembly is arranged in Mode-locking oil cylinder and its direction along its central shaft under the driving of Mode-locking oil cylinder is moved.
A kind of preferred version as above-mentioned clamping mechanism; described Mode-locking oil cylinder assembly includes Mode-locking oil cylinder protecgulum and Mode-locking oil cylinder body; the left side constituting locked mode oil pocket, the left side inner circle of described Mode-locking oil cylinder body and described locking piston assembly on the left of described Mode-locking oil cylinder protecgulum with the right side of the right side inner circle of Mode-locking oil cylinder body and described locking piston assembly constitutes demoulding oil pocket.
As a kind of preferred version of above-mentioned mould, also including dynamic model assembly, cover half assembly and shifting formwork executive module, the position, four angles of described dynamic model assembly is provided with locked mode and drives assembly;
Described shifting formwork executive module one end is arranged on the side of cover half assembly, and the other end is connected with the side of dynamic model assembly and dynamic model assembly can be made to move along the direction of pull bar.
A kind of injection molding apparatus, it includes clamping mechanism as described above.
A kind of die-cast formation equipment, it includes clamping mechanism as described above.
The beneficial effects of the utility model are: by being arranged on rotating band-type brake nut in the centre bore that locked mode drives assembly, it is possible to the overall structure making clamping mechanism is compacter, effectively reduce the volume and weight of retaining mechanism.
Detailed description of the invention
The technical solution of the utility model is further illustrated below in conjunction with accompanying drawing and by detailed description of the invention.
As shown in Figures 1 to 8; present embodiments provide for a kind of clamping mechanism; this clamping mechanism includes pull bar 4, rotates band-type brake execution and transmission component 5, locked mode driving assembly 6; wherein; locked mode drives and is provided with rotation band-type brake nut 7 in the centre bore of assembly 6, and locked mode drives assembly 6 that band-type brake nut 7 is rotated to move along the direction of its central shaft.
Rotating band-type brake nut 7 drives assembly 6 to be rotationally connected with locked mode, rotate band-type brake nut 7 and perform and rotate under the drive of transmission component 5 rotating band-type brake, and rotate band-type brake nut 7 and change in it matching relationship of outer tooth 41 on tooth 71 and pull bar 4 and realize band-type brake by rotating and open a sluice gate.
Rotate band-type brake nut 7 and be provided with in multiple row tooth 71 along its central axis direction, the groove of radian such as there is between adjacent interior tooth 71, one end that pull bar 4 coordinates with rotation band-type brake nut 7 is provided with the outer tooth 41 of multiple row, the groove of radian such as there is between adjacent outer tooth 41, form band-type brake when interior tooth 71 and outer tooth 41 are in engagement, open a sluice gate when interior tooth 71 and outer tooth 41 are in formation when completely disengaging from state. Interior tooth 71 and outer tooth 41 are in engagement and refer to single interior tooth 71 and be between two adjacent outer teeth 41 herein, interior tooth 71 and outer tooth 41 are in the state of completely disengaging from and refer to: interior tooth 71 is positioned at the groove of pull bar 4, and outer tooth 41 is positioned at the groove rotating band-type brake nut 7.
Concrete, interior tooth 71 and the concrete form that arranges of outer tooth 41 be: rotates and has 2~10 road grooves at the annular first-class radian of tooth thus forming 2~10 row to rotate tooth 71 in band-type brake nuts again after band-type brake nut 7 endoporus first makes annular tooth, pull bar 4 one end is fixedly mounted on the position, angle of cover half assembly 2, the other end of pull bar 4 has 2~10 road grooves at the annular first-class radian of tooth thus forming the outer tooth 41 of 2~10 row pull bars after first making annular tooth again, open a sluice gate under state rotate band-type brake nut 7 interior tooth 71 can and pull bar 4 outer dentification matched in clearance (and between the outer tooth of pull bar 4 groove formation matched in clearance) and make rotation band-type brake nut 7 can move freely along the central axis direction of pull bar 4.
Rotate band-type brake nut 7 and be arranged on dynamic model assembly 1 (rotating band-type brake nut 7 drives assembly 6 to be arranged on dynamic model assembly 1 by locked mode), pull bar 4 is arranged on cover half assembly 2, and rotates in band-type brake nut tooth 71 at the direction upper tooth towards cover half assembly 2 from increasing successively.When the interior tooth 71 rotating band-type brake nut 7 engage with the outer tooth of pull bar 4 realize band-type brake and transmit clamp force time, the stress of the interior tooth 71 rotating band-type brake nut 7 can toward tooth from little direction transmission, thus the stress reducing the interior tooth 71 and the outer tooth site of engagement of pull bar 4 that rotate band-type brake nut 7 near cover half assembly 2 direction further is concentrated, the stretch bending stress making pull bar 4 is lower.
Rotate band-type brake execution and transmission component 5 includes rotating band-type brake executive module 51, rotates band-type brake big hinging ear assembly 52, rotates band-type brake push-rod assembly 53 and rotate the little hinge ear assembly 54 of band-type brake.
The one end rotating band-type brake push-rod assembly 53 is provided with rotation band-type brake big hinging ear assembly 52, the other end arranges the rotation little hinge ear assembly 54 of band-type brake, rotates band-type brake push-rod assembly 53 and is rotationally connected with rotating band-type brake nut 7 by rotating band-type brake big hinging ear assembly 52 or the little hinge ear assembly 54 of rotation band-type brake.
Rotating band-type brake executive module 51 is the power output part rotating band-type brake execution and transmission component 5, and its clutch end is rotationally connected with rotating band-type brake nut 7 by rotating the little hinge ear assembly 54 of band-type brake.
And when rotating the band-type brake nut 7 direction along its central shaft and moving, rotation band-type brake nut 7 is rotated band-type brake push-rod assembly 53 by rotation band-type brake big hinging ear assembly 52 and moves integrally, and moves integrally herein and refers to rotation band-type brake push-rod assembly 53 not run-off the straight in moving process, skew. The moving integrally of band-type brake push-rod assembly 53 is rotated, it is possible to prevent from rotating band-type brake push-rod assembly 53 because tilting to cause torsional deformation by rotating band-type brake nut 7.
The specific constructive form that in present embodiment, realization rotation band-type brake push-rod assembly 53 moves integrally is: one end that rotation band-type brake push-rod assembly 53 is connected with rotation band-type brake nut 7 by little hinge ear assembly 54 can be moved along the central axis direction rotating band-type brake nut 7, and one end that rotation band-type brake push-rod assembly 53 is connected with rotation nut 7 by rotation band-type brake big hinging ear assembly 52 is fixed relative to the central axis direction of rotation band-type brake nut 7.
Concrete further, rotate band-type brake push-rod assembly 53 to fix relative to the central axis direction rotating band-type brake nut 7 with the rotation little hinge ear assembly 54 of band-type brake, rotate the little hinge ear assembly 54 of band-type brake to move relative to the central shaft direction of principal axis rotating band-type brake nut 7, rotate band-type brake push-rod assembly 53 to fix relative to the central axis direction rotating band-type brake nut 7 with rotation band-type brake big hinging ear assembly 52, and rotation band-type brake big hinging ear assembly 52 is fixed relative to the central axis direction rotating band-type brake nut 7.
In the present embodiment, additionally provide another and rotate the relation that band-type brake performs and transmission component 5 coordinates with rotation band-type brake nut 7, rotate band-type brake push-rod assembly 53 to slide at the central axis direction rotating band-type brake nut 7 relative to rotating the little hinge ear assembly 54 of band-type brake, now rotate the little hinge ear assembly 54 of band-type brake to fix relative to the central axis direction rotating band-type brake nut 7, rotate band-type brake push-rod assembly 53 to fix at the central axis direction rotating band-type brake nut 7 relative to rotation band-type brake big hinging ear assembly 52, and rotate band-type brake big hinging ear assembly 52 relative to rotate band-type brake nut 7 central axis direction fix.
Rotate band-type brake executive module 51 identical with the matching relationship rotating band-type brake little hinge ear assembly 54 with rotation band-type brake push-rod assembly 53 with the matching relationship rotated between band-type brake little hinge ear assembly 54.
Specifically, rotate band-type brake nuts 7 including four, four rotate band-type brake nut 7 and link by rotating band-type brake execution and transmission component 5.
Rotation band-type brake executive module 51 and rotation band-type brake push-rod assembly 53 are rotationally connected with rotation band-type brake nut 7 by rotating band-type brake big hinging ear assembly 52 or the little hinge ear assembly 54 of rotation band-type brake, and rotating band-type brake executive module 51 is the power output part rotating band-type brake execution and transmission component 5.
Rotate band-type brake perform and transmission component 5 with rotate band-type brake nut 7 and the concrete matching relationship of moving platen 1 is: four rotate band-type brake nut 7 and respectively first rotate band-type brake nut, second rotate band-type brake nut, the 3rd rotate band-type brake nuts and the 4th and rotate band-type brake nut, rotating band-type brake execution and transmission component 5 includes three and rotates band-type brake push-rod assemblies 53, one rotates band-type brake executive module 51. wherein, rotate band-type brake executive module 51 one end to be rotationally connected with dynamic model assembly 1, its other end is connected with the second rotation band-type brake nut rotation by rotating the little hinge ear assembly 52 of band-type brake, first rotates one end of band-type brake push-rod assembly rotates the connection of band-type brake nut rotation by rotating the little hinge ear of band-type brake and second, its other end rotates the connection of band-type brake nut rotation by rotating band-type brake big hinging ear and the 3rd, second rotates one end of band-type brake push-rod assembly rotates the connection of band-type brake nut rotation by rotating band-type brake big hinging ear and the 3rd, its other end rotates the connection of band-type brake nut rotation by rotating the little hinge ear of band-type brake and the 4th, 3rd rotates one end of band-type brake push-rod assembly rotates the connection of band-type brake nut rotation by rotating the little hinge ear of band-type brake and the 4th, its other end rotates the connection of band-type brake nut rotation by rotating band-type brake big hinging ear and first.
As preferably, above-mentioned rotation band-type brake executive module 51 is cylinder component, cylinder assembly or rotation motor and transmission component.
In the present embodiment, utilizing rotation band-type brake nut 7 and rotation band-type brake to perform and transmission component 5 realizes rotation band-type brake and opens a sluice gate function, make band-type brake and switching-off time short, nothing is impacted, and realizes all rotation band-type brake nut band-type brakes and the absolute synchronization opened a sluice gate.
Locked mode drives assembly 6 to include locking piston assembly and Mode-locking oil cylinder assembly, and locking piston assembly is arranged in Mode-locking oil cylinder assembly and its direction along its central shaft under the driving of Mode-locking oil cylinder is moved.
Mode-locking oil cylinder assembly includes Mode-locking oil cylinder protecgulum 11 and Mode-locking oil cylinder body 12; the left side constituting locked mode oil pocket 13, the left side inner circle of Mode-locking oil cylinder body 12 and locking piston assembly on the left of Mode-locking oil cylinder protecgulum 11 with the right side of the right side inner circle of Mode-locking oil cylinder body 12 and locking piston assembly constitutes demoulding oil pocket 14.
It should be understood that Mode-locking oil cylinder protecgulum 11 and Mode-locking oil cylinder body 12 are integral type structure or split-type structural with dynamic model assembly 1, for the ease of the installation of Mode-locking oil cylinder assembly, manufacture, present embodiment preferably adopts Mode-locking oil cylinder protecgulum 11 and Mode-locking oil cylinder body 12 and the split type setting of dynamic model assembly 1.
Locking piston assembly includes locking piston bar, the wear-resisting backing plate 62 of pressurized, big wear-resisting guide pin bushing 63, locking piston pressing plate 64, little wear-resisting guide pin bushing 65, wherein, locking piston bar includes pressure part 61 and fixture 66, fixture 66 and pressure part 61 are coaxially disposed and fixture 66 is arranged on the right side of pressure part 61, the wear-resisting backing plate 62 of pressurized is fixedly mounted in the endoporus on the left of pressure part 61, equipped with regulating fixing with pressure part 61 left side again after screw makes the right side of locking piston pressing plate 64 can keep minim gap with pressure part 61 left side connection on locking piston pressing plate 64, big wear-resisting guide pin bushing 63 cylindrical can coordinate with the inner headed face on the left of pressure part 61, locking piston pressing plate 64 right side is fixing with the left side of big wear-resisting guide pin bushing 63 to be connected, little wear-resisting guide pin bushing 65 is fixedly mounted on the right side of fixture 66 in endoporus.
In the present embodiment, pressure part 61 and fixture 66 can be split type setting, it is also possible to for monolithic construction, for the ease of manufacture and the assembling of locking piston assembly, preferred in present embodiment adopt pressure part 61 and the split type setting of fixture 66.And pressure part 61 and fixture 66 are provided with centre bore, rotate band-type brake nut 7 and be arranged in the centre bore of pressure part 61 and fixture 66 under the wear-resisting backing plate of pressurized 62, big wear-resisting guide pin bushing 63, locking piston pressing plate 64 and little wear-resisting guide pin bushing 65 coordinate.
Mode-locking oil cylinder assembly, locking piston assembly, the concrete matching relationship of dynamic model assembly 1 three is: Mode-locking oil cylinder assembly includes Mode-locking oil cylinder protecgulum 11 and Mode-locking oil cylinder body 12, Mode-locking oil cylinder protecgulum 11 is arranged on the position, angle of dynamic model assembly 1, Mode-locking oil cylinder body 12 endoporus can coordinate with the cylindrical of Mode-locking oil cylinder protecgulum 11 and be fixedly mounted on the position, angle of dynamic model assembly 1, locked mode oil pocket 13 is constituted with the right side of the right side inner circle of Mode-locking oil cylinder body 12 and above-mentioned locking piston assembly (the concrete right side for pressure part 61) on the left of Mode-locking oil cylinder protecgulum 11, the left side inner circle of Mode-locking oil cylinder body 12 constitutes demoulding oil pocket 14 with the left side of above-mentioned locking piston assembly (the concrete left side for pressure-bearing 61).
Locking piston assembly can move along its centerline direction under the effect of Mode-locking oil cylinder 13 and demoulding oil jar 14, to realize adjusting band-type brake position. When adjusting band-type brake position, band-type brake big hinging ear assembly 52 and rotate band-type brake push-rod assembly 53 together with can be rotated move integrally with rotating the rotation band-type brake nut 7 that band-type brake big hinging ear assembly 52 connects, rotate band-type brake little hinge ear assembly 52 with rotate band-type brake push-rod assembly 53 and rotate band-type brake executive module 51 all leave in the centerline direction both sides rotating band-type brake nut 7 enough gaps make with rotate the rotation band-type brake nut 7 that band-type brake little hinge ear assembly 54 is connected independently adjust band-type brake position move time rotation band-type brake push-rod assembly 53 and rotation band-type brake executive module 51 without shifting.
In the present embodiment, locking piston assembly is without any rotation in Mode-locking oil cylinder assembly, thus avoiding the occurrence of the problem of the sealing part abrasion leakage of oil produced when locking piston assembly rotates, all sealings of locking piston assembly are relatively reliable.
Clamping mechanism also includes dynamic model assembly 1, cover half assembly 2 and shifting formwork executive module 3, and locked mode drives assembly 6 to be arranged on the position, four angles of dynamic model assembly 1.
Shifting formwork executive module 3 one end is arranged on the side of cover half assembly, and the other end is connected with the side of dynamic model assembly 1 and dynamic model assembly 1 can be made to move along the direction of pull bar 4.
Above-mentioned shifting formwork executive module 3 is cylinder component or servomotor ball-screw assembly.
In the present embodiment, additionally providing a kind of injection molding apparatus, this injection molding apparatus includes above-described clamping mechanism.
In the present embodiment, additionally providing a kind of die-cast formation equipment, this die-cast formation equipment includes above-described clamping mechanism.
The concrete work process of above-mentioned injection molding apparatus or the matched moulds of die-cast formation equipment, die sinking is:
Matched moulds, shifting formwork executive module 3 action pulls dynamic model assembly 1 to move toward the direction of cover half assembly 2 and makes mold clamp, now confirm that each self-locking mode drives assembly 6 and rotates band-type brake nut 7 on respective band-type brake position, rotation band-type brake performs and transmission component 5 pulls rotation band-type brake nut 7 to make tooth 71 in rotation band-type brake nut engage formation band-type brake with tooth 41 outside pull bar after locked mode drives and rotates in assembly 6 centre bore, locked mode oil pocket 13 plays pressure by the locked mode pressure oil-feed set and obtains required clamp force, and demoulding oil pocket 14 is fuel-displaced.
Die sinking, locked mode oil pocket 13 pressure release is fuel-displaced, demoulding oil pocket 14 oil-feed makes each self-locking mode drive assembly 6 and rotation band-type brake nut 7 to reset on respective band-type brake position, rotation band-type brake performs and transmission component 5 promotes rotation band-type brake nut 7 to make tooth 71 and the outer tooth 41 of pull bar in rotation band-type brake nut completely disengage from formation and open a sluice gate in locked mode driving assembly 6 centre bore after despining, and shifting formwork executive module 3 action pulls dynamic model assembly 1 to move die sinking toward the direction away from cover half assembly 2.
Each self-locking mode drives assembly 6 and rotation band-type brake nut 7 individually can move along respective centerline direction under the effect of respective locked mode oil pocket 13 and demoulding oil pocket 14 and realizes each independent adjustment band-type brake position; When doing respective adjustment band-type brake position, band-type brake big hinging ear assembly 52 can be rotated with the rotation band-type brake nut 7 rotating the connection of band-type brake big hinging ear assembly 52 and move integrally together with rotating band-type brake push-rod assembly 53; Rotate band-type brake little hinge ear assembly 54 with rotate band-type brake push-rod assembly 53 and rotate band-type brake executive module 51 all leave in the centerline direction both sides rotating band-type brake nut 7 enough gaps make with rotate the rotation band-type brake nut 7 that band-type brake little hinge ear assembly 54 is connected independently adjust band-type brake position move time rotation band-type brake push-rod assembly 53 and rotation band-type brake executive module 51 without shifting.
Know-why of the present utility model is described above in association with specific embodiment. These describe and are intended merely to explanation principle of the present utility model, and can not be construed to the restriction to this utility model protection domain by any way. Based on explanation herein, those skilled in the art need not pay performing creative labour can associate other detailed description of the invention of the present utility model, and these modes fall within protection domain of the present utility model.