CN211683333U - Scissor-fork type synchronous cohesion device for double-rod oil cylinder - Google Patents
Scissor-fork type synchronous cohesion device for double-rod oil cylinder Download PDFInfo
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- CN211683333U CN211683333U CN201922370416.3U CN201922370416U CN211683333U CN 211683333 U CN211683333 U CN 211683333U CN 201922370416 U CN201922370416 U CN 201922370416U CN 211683333 U CN211683333 U CN 211683333U
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Abstract
The utility model discloses a synchronous cohesion device of two play pole hydro-cylinders scissor fork belongs to injection molding machine technical field, and it has solved the easy problem that takes place unbalance loading, part wearing and tearing are fast and occupation space is great of current cohesion device. The double-outlet-rod oil cylinder shear fork type synchronous embracing device comprises a movable template, an embracing nut, a double-outlet-rod oil cylinder and a shear fork type connecting rod synchronizing mechanism, wherein the gravity center of the embracing device is arranged on the plane where the central line of an upper pull rod and a lower pull rod is located, the double-outlet-rod oil cylinder is bilaterally symmetrical about the central connecting line of the upper pull rod and the lower pull rod, and meanwhile, the central point of the shear fork type connecting rod synchronizing mechanism is arranged on the central connecting line of the upper pull rod and the lower pull rod, so that unbalance loading can be effectively avoided, meanwhile, the abrasion of each part is reduced, and meanwhile, the shear fork type connecting rod synchronizing mechanism is arranged between a piston rod and the embracing nut.
Description
Technical Field
The utility model relates to an injection molding machine technical field refers in particular to a synchronous cohesion device of two play pole hydro-cylinders scissor fork formula.
Background
Two board-like injection molding machines, the most mainstream structure in the trade at present is: the mold locking oil cylinder device with the pull rod is placed on the fixed mold plate, the split type cohesion nut device is placed on the movable mold plate, and separation and connection with the pull rod are achieved through opening and closing of the cohesion nut, so that the mold locking mechanism is separated and locked.
Currently, the clasping device has the following forms: a set of longitudinal band-type brake oil cylinders are respectively installed on two sides of an operation side or a non-operation side of a movable template of the machine to provide hydraulic power, and a set of synchronous mechanism controls an upper band-type nut and a lower band-type nut on the same side to be synchronously band-type closed. And secondly, the four embracing nuts respectively use independent embracing oil cylinders to complete the embracing action. Thirdly, the band-type nuts rotate the band-type brakes. The contracting nut rotates along the opening and closing brake curve.
The prior art has the problems that: the first structure is that the embracing power device and the synchronizing mechanism are respectively and independently connected to the embracing nut, and relatively moving parts are more. The mechanism is divided into a symmetrical double-slider mechanism and a symmetrical crank-slider mechanism according to different mechanical principles of the synchronous mechanism. The eccentric load exists in different degrees of the two mechanisms, the gravity center of the symmetrical double-slider mechanism cohesion device is not collinear with the mechanism fixing rack, and the eccentric wear of the synchronous slider bearing can be caused by the reciprocating motion of the sliders. Two kinds of cohesion devices all need be connected to cohesion nut through oblique connecting rod in the operation, and there is one side eccentric wear in cohesion nut and deflector. The structure II is that four sets of independent power devices have higher cost, more energy requirements, more pipeline arrangement, poorer synchronism of the clasping action of the machine and more noise. And the structure III is that the processing difficulty of the opening and closing curve groove is high, and the influence of mechanical abrasion on the band-type brake precision is large.
Disclosure of Invention
The utility model discloses having considered aforementioned problem and having made, utility model's purpose provides a two pole hydro-cylinders cut synchronous cohesion devices of fork, effectually avoided unbalance loading and the problem that the part wearing and tearing influence the cohesion precision soon, also simplified overall structure simultaneously, reduced the occupation space of cohesion device.
In order to achieve the above object, the utility model provides a synchronous cohesion device of two play pole hydro-cylinders scissor fork formula, include:
the upper end and the lower end of the movable template are respectively provided with an upper pull rod and a lower pull rod;
the clasping nut is used for locking the upper pull rod and the lower pull rod;
the double-outlet-rod type oil cylinder is arranged between the upper pull rod and the lower pull rod, piston rods are arranged at the upper end and the lower end of the double-outlet-rod type oil cylinder respectively and used for controlling the clasping nuts, and the double-outlet-rod type oil cylinder is bilaterally symmetrical about a central connecting line of the upper pull rod and the lower pull rod;
the scissor type connecting rod synchronizing mechanism is arranged between the piston rod and the holding nut, a pin shaft is arranged at the center of the scissor type connecting rod synchronizing mechanism and fixedly connected with the movable template, and the joint of the scissor type connecting rod synchronizing mechanism and the movable template is positioned on the central connecting line of the upper pull rod and the lower pull rod;
the center lines of the upper pull rod and the lower pull rod are positioned on the same plane, and the gravity center of the embracing and closing device is positioned on the plane.
According to a two play pole hydro-cylinders cut synchronous cohesion device of fork, the cohesion nut includes cohesion nut and lower cohesion nut, it includes that first surrounds cohesion nut and second first, first surrounds cohesion nut and sets up go up the pull rod upside, second first surrounds cohesion nut and sets up go up the pull rod downside.
According to the synchronous cohesion device of two play pole hydro-cylinders scissor fork formula, lower cohesion nut includes half ring cohesion nut under first and the second and embraces the nut, half ring cohesion nut sets up the upside of lower pull rod under the first, half ring cohesion nut sets up under the second the downside of lower pull rod, first upper half embrace the nut with half ring cohesion nut fixed connection under the first, half ring cohesion nut under the second with half ring cohesion nut fixed connection under the second.
According to the double-rod oil cylinder scissor type synchronous embracing device, a first connecting rod is arranged between the first upper half embracing nut and the first lower half embracing nut, and a second connecting rod is arranged between the second upper half embracing nut and the second lower half embracing nut.
According to the synchronous cohesion device of two play pole hydro-cylinders scissor fork formula, first half embrace the nut with the first half surrounds the nut bottom relative both sides all and is provided with first guide way in the second, first lower semi-ring embrace the nut with the second lower semi-ring embraces the nut bottom relative both sides and all is provided with the second guide way, be provided with first deflector in the first guide way, be provided with the second deflector in the second guide way.
According to the synchronous cohesion device of two play pole hydro-cylinders scissor fork formula, first deflector with the second deflector all is the L type, first deflector one side with movable mould board fixed connection, the opposite side stretches into in the first guide way, second deflector one side with movable mould board fixed connection, the opposite side stretches into in the second guide way.
According to the double-outlet-rod oil cylinder scissor-fork type synchronous embracing device, one end of a piston rod arranged at the upper end of the double-outlet-rod oil cylinder is connected with the second upper half embracing nut, and one end of a piston rod arranged at the lower end of the double-outlet-rod oil cylinder is connected with one end of the scissor-fork type connecting rod synchronizing mechanism.
According to the scissor-fork type synchronous embracing device for the double-rod oil cylinder, one end of the scissor-fork type connecting rod synchronous mechanism can be connected with a piston rod arranged at the lower end of the double-rod oil cylinder, and the other end of the scissor-fork type connecting rod synchronous mechanism is connected with the first lower semi-ring embracing nut.
According to the double-rod-outlet oil cylinder scissor-type synchronous embracing-closing device, the scissor-type connecting rod synchronous mechanism comprises two groups of symmetrical crank slide block mechanisms, and the directions of the two groups of crank slide block mechanisms are opposite.
According to the double-outlet-rod oil cylinder scissor-fork type synchronous embracing-type device, two sides of the double-outlet-rod oil cylinder are provided with the symmetrical fixed seats.
The utility model discloses following beneficial effect has: the center of the embracing device is positioned on a plane where the center line of the upper pull rod and the center line of the lower pull rod are positioned, the center of the scissor type connecting rod synchronizing mechanism is collinear with the center connecting line of the upper pull rod and the lower pull rod, and the double-outlet-rod type oil cylinders are bilaterally symmetrical about the center connecting line of the upper pull rod and the lower pull rod, so that unbalance loading can be effectively avoided, meanwhile, the abrasion of each part is reduced, and the embracing precision is ensured. Meanwhile, a synchronizing mechanism and a power device of the cohesion device are integrated, the assembly process is simplified, and the space occupied by the cohesion device is reduced.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a front view of the present invention.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1-2, a scissor-type synchronous clasping device for a double-rod oil cylinder comprises:
the movable die plate 100 is provided with an upper pull rod 110 and a lower pull rod 120 at the upper end and the lower end of the movable die plate 100, respectively, the upper pull rod 110 and the lower pull rod 120 are used for connecting the movable die plate 100 with the fixed die plate in the die locking process, if the upper pull rod 110 and the upper pull rod 110 are locked, the movable die plate 100 cannot move continuously, therefore, the die locking mechanism can apply the die locking force to the movable die plate 100, and the movable die plate 100 cannot move accordingly.
The clasping nut 200 is used for locking the upper pull rod 110 and the lower pull rod 120, and the clasping nut 200 is opened and closed to separate the upper pull rod 110 from the lower pull rod 120 and further separate and lock the clamping mechanism.
The double-rod-out oil cylinder 300 is arranged between the upper pull rod 110 and the lower pull rod 120, piston rods 310 are arranged at the upper end and the lower end of the double-rod-out oil cylinder 300 respectively and can ensure that the connection parts at the two ends can reciprocate at a constant speed, the piston rods 310 are used for controlling the clasping nuts, the double-rod-out oil cylinder 300 is bilaterally symmetrical about the central connecting line of the upper pull rod 110 and the lower pull rod 120, the double-rod-out oil cylinder 300 provides power for the clasping nuts to open or close the clasping nuts, and the double-rod-out oil cylinder 300 is bilaterally symmetrical about the central connecting line of the upper pull rod 110 and the lower pull rod 120.
The scissor type connecting rod synchronizing mechanism 400 is arranged between a piston rod 310 and a clasp nut 200, in the prior art, the piston rod 310 and the synchronizing mechanism are respectively and independently connected with the clasp nut 200, and therefore the occupied area is large, in the application, the scissor type connecting rod synchronizing mechanism 400 is arranged between the piston rod 310 and the clasp nut 200, the occupied space can be reduced while the force direction is converted, the center of the scissor type connecting rod synchronizing mechanism 400 is fixedly connected with a movable template 100, the connecting center of the scissor type connecting rod synchronizing mechanism 400 and the movable template 100 is located on the central connecting line of an upper pull rod 110 and a lower pull rod 120, namely the scissor type connecting rod synchronizing mechanism 400 is symmetrical about the central connecting line of the upper pull rod 110 and the lower pull rod 120, the unbalanced load is prevented, and meanwhile the scissor type connecting rod synchronizing mechanism 400 can be prevented from being worn too fast.
The central lines of the upper pull rod 110 and the lower pull rod 120 are positioned on the same plane, and the gravity center of the embracing device is positioned on the plane, so that the whole unbalance loading of the embracing device is prevented, and the abrasion degree of each component is reduced.
The clasping nut 200 comprises an upper clasping nut 210 and a lower clasping nut 220, the upper clasping nut 210 comprises a first upper half clasping nut 211 and a second upper half clasping nut 212, the first upper half clasping nut 211 is arranged on the upper side of the upper pull rod 110, the second upper half clasping nut 212 is arranged on the lower side of the upper pull rod 110, the first upper half clasping nut 211 and the second upper half clasping nut 212 are folded to lock the upper pull rod 110, and the upper pull rod 110 can be separated by separation.
The lower clasping nut 220 comprises a first lower semi-encircling nut 221 and a second lower semi-encircling nut 222, the first lower semi-encircling nut 221 is arranged on the upper side of the lower pull rod 120, the second lower semi-encircling nut 222 is arranged on the lower side of the lower pull rod 120, the first lower semi-encircling nut 221 and the second lower semi-encircling nut 222 are folded to lock the lower pull rod 120, the first upper semi-encircling nut 211 is fixedly connected with the first lower semi-encircling nut 221, the second upper semi-encircling nut 212 is fixedly connected with the second lower semi-encircling nut 222, when the first lower semi-encircling nut 221 moves downwards, the first upper semi-encircling nut 211 also moves downwards, and when the second upper semi-encircling nut 212 moves upwards, the second lower semi-encircling nut 222 also moves upwards.
A first connecting rod 230 is arranged between the first upper half encircling nut 211 and the first lower half encircling nut 221, a second connecting rod 240 is arranged between the second upper half encircling nut 212 and the second lower half encircling nut 222, the first upper half encircling nut 211 and the first lower half encircling nut 221 are fixedly connected through the first connecting rod 230, and the second upper half encircling nut 212 and the second lower half encircling nut 222 are fixedly connected through the second connecting rod 240.
First upper half embraces nut 211 and the second upper half and embraces nut 212 bottom opposite sides and all is provided with first guide way 213, first lower semi-ring embrace nut 221 and second lower semi-ring embrace nut 222 bottom opposite sides all is provided with second guide way 223, is provided with first deflector 213a in the first guide way 213, is provided with second deflector 223a in the second guide way 223, and each embraces the nut promptly and all removes through the cooperation of deflector with the guide way.
The first guide plate 213a and the second guide plate 223a are both L-shaped, one side of the first guide plate 213a is fixedly connected with the movable template 100, the other side of the first guide plate 213a extends into the first guide groove 213, one side of the second guide plate 223a is fixedly connected with the movable template 100, and the other side of the second guide plate 223a extends into the second guide groove 223.
One end of a piston rod 310 arranged at the upper end of the double-rod-out oil cylinder 300 is connected with the second upper half encircling nut 212, one end of a piston rod 310 arranged at the lower end of the double-rod-out oil cylinder 300 is connected with one end of the scissor type connecting rod synchronizing mechanism 400, the piston rod 310 arranged at the upper end of the double-rod-out oil cylinder 300 drives the second upper half encircling nut 212 to move upwards, the second lower half encircling nut 222 positioned at the lower side of the lower pull rod 120 also moves upwards, and the piston rod 310 arranged at the lower end of the double-rod-out oil cylinder 300 also provides an upward force for the upper end of the scissor type connecting rod synchronizing mechanism 400.
One end of the scissor type connecting rod synchronous mechanism 400 can be connected with a piston rod 310 arranged at the lower end of the double-rod-out oil cylinder, the other end of the scissor type connecting rod synchronous mechanism 400 is connected with a first lower semi-encircling nut 221, a piston rod 310 at the lower end of the double-rod-out oil cylinder 300 also provides an upward force for the upper end of the scissor type connecting rod synchronous mechanism 400, after the force direction of the scissor type connecting rod synchronous mechanism 400 is converted, the lower end of the scissor type connecting rod synchronous mechanism 400 provides a downward force for the first lower semi-encircling nut 221, so that the first lower semi-encircling nut 221 is closed with a second lower semi-encircling nut 222, the lower pull rod 120 is locked, meanwhile, the first lower semi-encircling nut 221 moves downward to drive a first upper semi-encircling nut 211 positioned at the upper side of the upper pull rod 110 to move downward, the first upper semi-encircling nut 211 is closed with a second upper semi-encircling nut 212, the upper pull rod 110 is locked, and the forces output from top to bottom, the speed of locking up and down is the same, and the principle is the same in the unlocking process.
The scissor type connecting rod synchronizing mechanism 400 comprises two groups of symmetrical crank sliding block mechanisms 410, the directions of the two groups of crank sliding block mechanisms 410 are opposite, if a single group of crank sliding block mechanisms 410 is arranged, when the lower ends of the crank sliding block mechanisms 410 move downwards, an oblique force exists, the clasping nuts 200 can extrude the first guide plate 213a and the second guide plate 223a, abrasion of the first guide plate 213a and the second guide plate 223a is aggravated, the two groups of crank sliding block mechanisms 410 can be arranged to enable the oblique forces generated by the two groups of crank sliding block mechanisms 410 to be mutually offset, and when the upper ends of the scissor type connecting rod synchronizing mechanism 400 are fixed, the two groups of symmetrical crank sliding block mechanisms 410 are close to each other inwards to increase the vertical length of the crank sliding block mechanisms 410, so that the lower ends of the crank sliding block mechanisms 410 move downwards, and further the first lower clasping half-ring nuts 221 move downwards.
Two sides of the double-rod-out oil cylinder 300 are provided with symmetrical fixing seats 320, and the double-rod-out oil cylinder 300 is fixed through the fixing seats 320.
The utility model provides a pair of synchronous cohesion device of fork is cut to two play pole hydro-cylinders, the focus setting of cohesion device is on last pull rod and pull down rod central line place plane, two play pole hydro-cylinders are about the center line bilateral symmetry of last pull rod and pull down rod, cut fork connecting rod lazytongs central point simultaneously on the center line of last pull rod and pull down rod, can effectually avoid the unbalance loading, the wearing and tearing of each spare part slow down simultaneously, will cut fork connecting rod lazytongs setting simultaneously between piston rod and cohesion nut, the assembly flow has been simplified, the shared space of cohesion device has been reduced.
The technical solutions of the present invention have been described in detail with reference to the accompanying drawings, and the described embodiments are used to help understand the ideas of the present invention. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the claims.
Claims (9)
1. The utility model provides a synchronous cohesion device of two play pole hydro-cylinders scissors fork, its characterized in that includes:
the upper end and the lower end of the movable template are respectively provided with an upper pull rod and a lower pull rod;
the clasping nut is used for locking the upper pull rod and the lower pull rod;
the double-outlet-rod type oil cylinder is arranged between the upper pull rod and the lower pull rod, piston rods are arranged at the upper end and the lower end of the double-outlet-rod type oil cylinder respectively and used for controlling the cohesion nuts, the double-outlet-rod type oil cylinder is symmetrical left and right relative to the central connecting line of the upper pull rod and the lower pull rod, and symmetrical fixing seats are arranged at the two sides of the double-outlet-rod type oil cylinder;
the scissor type connecting rod synchronizing mechanism is arranged between the piston rod and the cohesion nut, the center of the scissor type connecting rod synchronizing mechanism is fixedly connected with the movable template, and the center of the scissor type connecting rod synchronizing mechanism, which is connected with the movable template, is positioned on the central connecting line of the upper pull rod and the lower pull rod;
the center lines of the upper pull rod and the lower pull rod are positioned on the same plane, and the gravity center of the embracing and closing device is positioned on the plane.
2. The double-outlet-rod oil cylinder scissor type synchronous embracing device according to claim 1, wherein the embracing nut comprises an upper embracing nut and a lower embracing nut, the upper embracing nut comprises a first upper half embracing nut and a second upper half embracing nut, the first upper half embracing nut is arranged on the upper side of the upper pull rod, and the second upper half embracing nut is arranged on the lower side of the upper pull rod.
3. The double-rod-outlet oil cylinder scissor type synchronous embracing device according to claim 2, wherein the lower embracing nut comprises a first lower semi-ring embracing nut and a second lower semi-ring embracing nut, the first lower semi-ring embracing nut is arranged on the upper side of the lower pull rod, the second lower semi-ring embracing nut is arranged on the lower side of the lower pull rod, the first upper semi-ring embracing nut is fixedly connected with the first lower semi-ring embracing nut, and the second upper semi-ring embracing nut is fixedly connected with the second lower semi-ring embracing nut.
4. The double-rod-outlet oil cylinder scissor type synchronous embracing type device according to claim 3, wherein a first connecting rod is arranged between the first upper half embracing nut and the first lower half embracing nut, and a second connecting rod is arranged between the second upper half embracing nut and the second lower half embracing nut.
5. The double-rod-outlet oil cylinder scissor type synchronous embracing device according to claim 3 or 4, wherein first guide grooves are formed in two opposite sides of the bottoms of the first upper half embracing nut and the second upper half embracing nut, second guide grooves are formed in two opposite sides of the bottoms of the first lower half embracing nut and the second lower half embracing nut, first guide plates are arranged in the first guide grooves, and second guide plates are arranged in the second guide grooves.
6. The double-rod-outlet oil cylinder scissor type synchronous embracing and closing device according to claim 5, wherein the first guide plate and the second guide plate are L-shaped, one side of the first guide plate is fixedly connected with the movable template, the other side of the first guide plate extends into the first guide groove, one side of the second guide plate is fixedly connected with the movable template, and the other side of the second guide plate extends into the second guide groove.
7. The scissor-type synchronous embracing type device for the double-out-rod oil cylinder according to claim 3, wherein one end of a piston rod arranged at the upper end of the double-out-rod oil cylinder is connected with the second upper half embracing nut, and one end of a piston rod arranged at the lower end of the double-out-rod oil cylinder is connected with one end of the scissor-type connecting rod synchronizing mechanism.
8. The double-rod-out oil cylinder scissor type synchronous embracing device according to claim 7, wherein one end of the scissor type connecting rod synchronizing mechanism can be connected with a piston rod arranged at the lower end of the double-rod-out oil cylinder, and the other end of the scissor type connecting rod synchronizing mechanism is connected with the first lower semi-encircling nut.
9. The double-rod-outlet oil cylinder scissor type synchronous embracing-closing device according to claim 8, wherein the scissor type connecting rod synchronous mechanism comprises two groups of symmetrical crank block mechanisms, and the directions of the two groups of crank block mechanisms are opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922370416.3U CN211683333U (en) | 2019-12-25 | 2019-12-25 | Scissor-fork type synchronous cohesion device for double-rod oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922370416.3U CN211683333U (en) | 2019-12-25 | 2019-12-25 | Scissor-fork type synchronous cohesion device for double-rod oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211683333U true CN211683333U (en) | 2020-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922370416.3U Active CN211683333U (en) | 2019-12-25 | 2019-12-25 | Scissor-fork type synchronous cohesion device for double-rod oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211683333U (en) |
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2019
- 2019-12-25 CN CN201922370416.3U patent/CN211683333U/en active Active
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