CN216478305U - Hydraulic pin expanding mechanism - Google Patents
Hydraulic pin expanding mechanism Download PDFInfo
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- CN216478305U CN216478305U CN202123124860.0U CN202123124860U CN216478305U CN 216478305 U CN216478305 U CN 216478305U CN 202123124860 U CN202123124860 U CN 202123124860U CN 216478305 U CN216478305 U CN 216478305U
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Abstract
The utility model belongs to the technical field of machining equipment, and discloses a hydraulic pin expansion mechanism.A positioning device is connected with the side surface of a large bottom plate through a slider mechanism, the side surface of the large bottom plate is fixed with a hydraulic oil cylinder through a bolt, and the upper end of an output shaft of the hydraulic oil cylinder is connected with the positioning device through a connecting bent plate; the positioning device is provided with a support, the support is connected with a sliding block mechanism through a panel, an expansion sleeve is arranged in the middle of the upper end of the support, the lower end of the support is connected with an air cylinder through a plurality of supporting rods, a taper pin is connected to the upper end of an output shaft of the air cylinder, and the upper end of the taper pin penetrates into the middle of the lower end of the expansion sleeve. The utility model discloses a hydraulic cylinder can drive positioner and reciprocate to drive the lift of the cover that rises, can quick plug, realize the location, and tighten more, difficult not hard up drives the taper pin through the cylinder and reciprocates, can make the cover that rises rise tight with the taper pin top, laminates completely with the locating hole, realizes zero clearance location, reduces welding shrinkage and warp.
Description
Technical Field
The utility model belongs to the technical field of machining equipment, especially, relate to a hydraulic pressure round pin mechanism that rises.
Background
At present, smooth round positioning pins, prismatic pins, elastic expanding pin sleeves and push-type clamping mechanisms are generally used as positioning and clamping elements in the domestic mechanical industry. When processing box class parts such as cylinder body cylinder cap, all adopt "one face two round pins" location usually, the anchor clamps of traditional one face two round pins are a round pin and a diamond round pin, because when rising the cover location, the locating pin on the anchor clamps need get into in rising the cover, contact the cooperation each other and form the location for rise the cover and be clearance fit with the locating hole, consequently the clearance between the two each other will become systematic error, the clearance is too big, causes welding shrinkage deformation easily, influences the machining precision.
Through the above analysis, the problems and defects of the prior art are as follows: the existing positioning mode of the expansion sleeve and the positioning hole can generate a large gap, so that welding shrinkage deformation is easily caused, and the machining precision is influenced.
SUMMERY OF THE UTILITY MODEL
To the problem that prior art exists, the utility model provides a round pin mechanism rises to hydraulic pressure.
The utility model discloses a realize like this, a hydraulic pressure rises round pin mechanism and is provided with:
a positioning device;
the positioning device is connected with the side face of the large base plate through a sliding block mechanism, a hydraulic oil cylinder is fixed on the side face of the large base plate through a bolt, and the upper end of an output shaft of the hydraulic oil cylinder is connected with the positioning device through a connecting bent plate;
the positioning device is provided with a support, the support is connected with a sliding block mechanism through a panel, an expansion sleeve is arranged in the middle of the upper end of the support, the lower end of the support is connected with an air cylinder through a plurality of supporting rods, the upper end of an output shaft of the air cylinder is connected with a taper pin, and the upper end of the taper pin penetrates into the middle of the lower end of the expansion sleeve.
Furthermore, the sliding block mechanism is provided with two sliding rails fixed on the outer side of the large bottom plate through bolts, two sliding blocks are connected to the outer side of each sliding rail in a sliding mode, and the outer sides of the sliding blocks are connected with the panel through bolts.
Further, a positioning seat plate is fixed to the upper end of the support through a bolt, an end cover is fixed to the middle of the upper end of the positioning seat plate through a bolt, a through hole which is coaxially arranged is formed in the middle of the end cover and the positioning seat plate, and the expansion sleeve is sleeved in the through hole.
Further, the upper end of the output shaft of the air cylinder is fixedly connected with a screw block, and the upper end of the screw block is connected with the lower end of the taper pin through a screw rod.
Furthermore, the side surface of the large bottom plate is respectively fixed with a limiting block at the upper side and the lower side of the positioning device through bolts, and the limiting blocks and the opposite sides of the panel are respectively fixed with a cushion block which is matched with each other.
Combine foretell all technical scheme, the utility model discloses the advantage that possesses and positive effect are:
the utility model discloses a hydraulic cylinder can drive positioner and reciprocate to drive the lift of the cover that rises, can quick plug, realize the location, and tighten more, difficult not hard up drives the taper pin through the cylinder and reciprocates, can make the cover that rises rise tight with the taper pin top, laminates completely with the locating hole, realizes zero clearance location, reduces welding shrinkage and warp.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained from the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a hydraulic pin expanding mechanism provided by an embodiment of the present invention.
Fig. 2 is a schematic view of a taper pin structure provided by an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a slider mechanism according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a support according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of the expansion sleeve provided by the embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a panel according to an embodiment of the present invention.
In the figure: 1. a large bottom plate; 2. a hydraulic cylinder; 3. connecting the bent plates; 4. expanding sleeves; 5. an end cap; 6. positioning the seat plate; 7. a support; 8. a taper pin; 9. a support bar; 10. a cylinder; 11. cushion blocks; 12. a limiting block; 13. a screw; 14. a screw block; 15. a slide rail; 16. a slide block.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
To the problem that prior art exists, the utility model provides a hydraulic pressure rises round pin mechanism, it is right below to combine the figure the utility model discloses do detailed description.
As shown in fig. 1 to 6, a positioning device in a hydraulic pin expansion mechanism provided by the embodiment of the present invention is connected to a side surface of a large base plate 1 through a slider mechanism, a hydraulic cylinder 2 is fixed to the side surface of the large base plate 1 through a bolt, and an upper end of an output shaft of the hydraulic cylinder 2 is connected to the positioning device through a connecting bent plate 3; the positioning device is provided with a support 7, the support 7 is connected with a sliding block mechanism through a panel, an expansion sleeve 4 is arranged in the middle of the upper end of the support 7, the lower end of the support 7 is connected with an air cylinder 10 through a plurality of supporting rods 9, the upper end of an output shaft of the air cylinder 10 is connected with a taper pin 8, and the upper end of the taper pin 8 penetrates in the middle of the lower end of the expansion sleeve 4.
The utility model discloses slider mechanism in the implementation is provided with two slide rails 15 through the bolt fastening in the 1 outside of big bottom plate, and every slide rail 15 outside sliding connection has two sliders 16, and the 16 outsides of slider are connected with the panel through the bolt.
The utility model discloses there is location bedplate 6 support 7 upper end in the implementation through the bolt fastening, has end cover 5 through the bolt fastening in the middle of 6 upper ends of location bedplate, sets up the through-hole of coaxial setting in the middle of end cover 5 and the location bedplate 6, and the cover that rises is established in the through-hole.
The utility model discloses fixedly connected with spiral shell piece 14 in the output shaft upper end of cylinder 10 in the implementation, spiral shell piece 14 upper end is passed through screw rod 13 and is connected with 8 lower extremes of taper pin.
The utility model discloses 1 side of big bottom plate in the implementation is fixed with a stopper 12 through the bolt respectively in the upper and lower both sides of positioner, and stopper 12 is fixed with the cushion 11 of mutually supporting respectively with panel relative one side.
The utility model discloses when using, hydraulic cylinder 2 is flexible, drives positioner and slides on slide rail 15, and stopper 12 from top to bottom carries on spacingly. The hydraulic cylinder 2 drives the expansion sleeve 4 to be inserted into a hole to be positioned. The air cylinder 10 drives the taper pin 8 to move up and down, when the expansion sleeve 4 enters the positioning hole, the taper pin 8 is tightly jacked upwards, the expansion sleeve 4 is opened and completely attached to the positioning hole, zero-clearance positioning is achieved, and welding shrinkage deformation is reduced. After welding, the air cylinder 10 drives the taper pin 8 to move back first, the expansion sleeve 4 contracts, and the hydraulic oil cylinder 2 drives the whole positioning device to slide downwards, so that pin moving is realized.
The utility model discloses when implementing, can pass through PLC control with electrical system and hydraulic system, incorporate into the welding frock and realize automatic location.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be covered within the protection scope of the present invention by those skilled in the art within the technical scope of the present invention.
Claims (5)
1. The utility model provides a round pin mechanism rises, its characterized in that, the round pin mechanism that rises is provided with:
a positioning device;
the positioning device is connected with the side face of the large base plate through a sliding block mechanism, a hydraulic oil cylinder is fixed on the side face of the large base plate through a bolt, and the upper end of an output shaft of the hydraulic oil cylinder is connected with the positioning device through a connecting bent plate;
the positioning device is provided with a support, the support is connected with a sliding block mechanism through a panel, an expansion sleeve is arranged in the middle of the upper end of the support, the lower end of the support is connected with an air cylinder through a plurality of supporting rods, the upper end of an output shaft of the air cylinder is connected with a taper pin, and the upper end of the taper pin penetrates into the middle of the lower end of the expansion sleeve.
2. The hydraulic pin expanding mechanism as claimed in claim 1, wherein the sliding block mechanism is provided with two sliding rails fixed on the outer side of the large bottom plate through bolts, two sliding blocks are slidably connected on the outer side of each sliding rail, and the outer sides of the sliding blocks are connected with the panel through bolts.
3. The hydraulic pin expanding mechanism as claimed in claim 1, wherein a positioning seat plate is fixed to the upper end of the support through a bolt, an end cover is fixed to the middle of the upper end of the positioning seat plate through a bolt, a through hole is coaxially formed between the end cover and the positioning seat plate, and the expanding sleeve is sleeved in the through hole.
4. The hydraulic pin expanding mechanism as claimed in claim 1, wherein a screw block is fixedly connected to the upper end of the output shaft of the cylinder, and the upper end of the screw block is connected to the lower end of the taper pin through a screw.
5. The hydraulic pin expanding mechanism according to claim 1, wherein the side surface of the large bottom plate is fixed with a limiting block on the upper side and the lower side of the positioning device respectively through bolts, and the limiting block and the opposite side of the panel are respectively fixed with a mutually matched cushion block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123124860.0U CN216478305U (en) | 2021-12-13 | 2021-12-13 | Hydraulic pin expanding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123124860.0U CN216478305U (en) | 2021-12-13 | 2021-12-13 | Hydraulic pin expanding mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216478305U true CN216478305U (en) | 2022-05-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123124860.0U Active CN216478305U (en) | 2021-12-13 | 2021-12-13 | Hydraulic pin expanding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216478305U (en) |
-
2021
- 2021-12-13 CN CN202123124860.0U patent/CN216478305U/en active Active
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