CN217571734U - Four-degree-of-freedom feeding device - Google Patents
Four-degree-of-freedom feeding device Download PDFInfo
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- CN217571734U CN217571734U CN202222099239.1U CN202222099239U CN217571734U CN 217571734 U CN217571734 U CN 217571734U CN 202222099239 U CN202222099239 U CN 202222099239U CN 217571734 U CN217571734 U CN 217571734U
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- connecting rod
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- rack
- supporting
- rotating device
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Abstract
A four-degree-of-freedom feeding device is characterized in that a lifting device is arranged on a rack, a guide device is arranged on the lifting device, and the lifting device drives the guide device, a supporting device and a rotating device to move up and down together; the guide device is provided with a supporting device and a rotating device, and the supporting device and the rotating device are driven by the guide device to do front-back translational motion; the supporting device is provided with a rotating device which rotates; a left and right fine adjustment mechanism is arranged on the rotating device; the lifting device consists of a hydraulic cylinder and a connecting rod mechanism; the guide device comprises a gear rack mechanism arranged on the support plate, and the support device and the rotating device are driven by the gear rack mechanism to move back and forth; the support device includes a vertical support plate and a bottom plate secured together. The utility model discloses an upper and lower direction of drive, the adjustment of front and back direction and left and right direction still can make the output shaft rotate around self the central axis, makes things convenient for output shaft external splines and test bench internal spline to cooperate.
Description
Technical Field
The utility model relates to a loading attachment that can realize four degrees of freedom particularly to with the cooperation of test bench internal spline.
Background
The self-made drive used by the new Chinese style calabash needs to be subjected to a loading test on a loading test bed after the assembly is completed, the self-made drive is installed by a crane hoisting drive at present, and an external spline of a drive output shaft needs to be aligned and matched with an internal spline of the test bed during installation. Because the central axis of the driving output shaft can not keep parallel with the central axis of the internal spline of the test bed during hoisting, the driving state needs to be manually adjusted to enable the external spline of the driving output shaft to be matched with the internal spline of the test bed, and because the driving weight is large, the manual adjustment is difficult, the labor intensity is high, the required time is long, and the driving detection efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: after the driving device is hoisted to the feeding device, how to realize the adjustment of the driving in the up-down direction, the front-back direction and the left-right direction, and the output shaft can rotate around the central axis of the output shaft, thereby providing the four-degree-of-freedom feeding device.
The purpose of the utility model is realized with the following mode:
a four-degree-of-freedom feeding device comprises a lifting device, a guide device, a supporting device and a rotating device; a lifting device is arranged on the rack, a guide device is arranged on the lifting device, and the lifting device drives the guide device, the supporting device and the rotating device to do lifting motion together; the guide device is provided with a supporting device and a rotating device, and the supporting device and the rotating device are driven by the guide device to do front-back translational motion; the supporting device is provided with a rotating device which rotates; a left and right fine adjustment mechanism is arranged on the rotating device;
the lifting device is composed of a hydraulic cylinder and a connecting rod mechanism;
the guide device comprises a gear rack mechanism arranged on the support plate, and the support device and the rotating device are driven by the gear rack mechanism to move back and forth;
the supporting device comprises a vertical supporting plate and a bottom plate which are fixed together, wherein a through hole is formed in the lower part of the vertical supporting plate, and the rotating shaft can rotate in the through hole; the bottom plate is provided with a rack groove.
The connecting rod mechanism comprises two groups of hinge mechanisms, the first group of hinge mechanisms comprises a second connecting rod and a fourth connecting rod which are hinged together in the middle, the second group of hinge mechanisms comprises a third connecting rod and a fifth connecting rod which are hinged together in the middle, a middle connecting shaft is arranged in the middle of the two groups of hinge mechanisms, and the middle connecting shaft connects hinge shafts of the two groups of hinge mechanisms together; the first connecting rods are arranged on the same side of the two sets of hinge mechanisms and connected with piston rods of the hydraulic cylinders; the rack is a rectangular frame, a sliding rail is arranged on the inner side of the rectangular frame, one ends of the second connecting rod and the third connecting rod are hinged with the rack, a hinged short shaft is arranged at the hinged position, and the other ends of the second connecting rod and the third connecting rod are free ends; one end of the fourth connecting rod and one end of the fifth connecting rod are provided with pulleys, the pulleys slide on a slide rail on the inner side of the rack, and the other ends of the fourth connecting rod and the fifth connecting rod are free ends; and the free ends of the second connecting rod, the fourth connecting rod, the third connecting rod and the fifth connecting rod are all provided with rollers, and a supporting plate is arranged above the rollers.
The rack and pinion mechanism of the guide device includes: a rack is fixedly arranged on the supporting plate, a gear is arranged at the end part of the supporting plate, and the rack is meshed with the gear; the gear is fixed on a rotating shaft in the supporting device, and the tail end of the rotating shaft is provided with a translation handle.
The rotating device comprises a rotating shaft, and the rotating shaft is connected with a rotating handle through a transmission mechanism.
Control fine-tuning and include the bracket, be provided with on the bracket with rotation axis complex rotation axis hole the bracket on set up U type dog, U type dog bottom and bracket laminating, two support arms of U type dog extend to bracket the place ahead forward, and all be provided with adjusting bolt on two support arms of U type dog.
Compared with the prior art, the utility model has the advantages that: the adjustment of the upper direction and the lower direction of the drive, the front direction and the rear direction as well as the left direction and the right direction is realized, the output shaft can rotate around the central axis of the output shaft, the external spline of the output shaft is conveniently matched with the internal spline of the test bed, the feeding time and the discharging time of a workpiece are reduced, and the detection efficiency is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the lifting device of the present invention;
FIG. 3 is a schematic structural view of the supporting device;
FIG. 4 is a schematic view of a rack structure;
fig. 5 is a schematic structural view of the rotating device.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only 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 therefore, should not be construed as limiting the present invention.
As shown in fig. 1, a four-degree-of-freedom feeding device includes a lifting device 1, a guiding device 2, a supporting device 3 and a rotating device 4. A lifting device 1 is arranged on a frame 22, a guide device 2 is arranged on the lifting device 1, and the lifting device 1 drives the guide device 2, a support device 3 and a rotating device 4 to move up and down together. The guide device 2 is provided with a supporting device 3 and a rotating device 4, and the guide device 2 drives the supporting device 3 and the rotating device 4 to do front-back translational motion. The support device 3 is provided with a rotating device 4, and the rotating device 4 rotates. The rotating device 4 is provided with a left-right fine adjustment mechanism.
As shown in fig. 2, the lifting device 1 is composed of a hydraulic cylinder 5 in cooperation with a link mechanism. The link mechanism comprises two groups of hinge mechanisms, the first group of hinge mechanisms comprises a second connecting rod 7 and a fourth connecting rod 12 which are hinged together in the middle, the second group of hinge mechanisms comprises a third connecting rod 8 and a fifth connecting rod 13 which are hinged together in the middle, an intermediate connecting shaft 11 is arranged in the middle of the two groups of hinge mechanisms, and the hinge shafts of the two groups of hinge mechanisms are connected together through the intermediate connecting shaft 11. The first link 6 is arranged on the same side of the two sets of hinge mechanisms, for example, the first link 6 is arranged between the second link 7 and the third link 8, but the first link 6 may also be arranged between the fourth link 12 and the fifth link 13. The first link 6 is connected to the piston rod of the hydraulic cylinder 5. It should be noted that the rack 22 is a rectangular frame, a slide rail is arranged on the inner side of the rectangular frame, one end of the second connecting rod 7 and one end of the third connecting rod 8 are hinged to the rack 22, a hinged short shaft 9 is arranged at the hinged position, and the other end of the second connecting rod 7 and the other end of the third connecting rod 8 are free ends; one end of the fourth connecting rod 12 and one end of the fifth connecting rod 13 are provided with pulleys, the pulleys slide on a slide rail on the inner side of the frame 22, and the other end of the fourth connecting rod 12 and the other end of the fifth connecting rod 13 are free ends.
The free ends of the second connecting rod 7, the fourth connecting rod 12, the third connecting rod 8 and the fifth connecting rod 13 are all provided with rollers 10, and a supporting plate 14 is arranged above the rollers 10.
When the lifting device works, the lifting function is realized by the lifting device 1, the first connecting rod 6 is jacked up by extending a piston rod of the hydraulic cylinder 5, the first connecting rod 6 is fixed on the second connecting rod 7 and the third connecting rod 8, one ends of the second connecting rod 7 and the third connecting rod 8 rotate around the hinged short shaft 9 under the driving of the upward jacking of the first connecting rod 6, and the free ends of the other ends of the second connecting rod 7 and the third connecting rod 8 are upward; meanwhile, the pulleys provided at one ends of the fourth link 12 and the fifth link 13 translate toward the middle along the slide rails, so that the other ends (free ends) of the fourth link 12 and the fifth link 13 also move upward. Since the two sets of hinge mechanisms are fixed together by the intermediate connecting shaft 11, the free ends of the second link 7, the fourth link 12, the third link 8 and the fifth link 13 are synchronously directed upwards.
Similarly, if the piston rod of the hydraulic cylinder 5 retracts, the first connecting rod 6 descends downwards, so that one ends of the second connecting rod 7 and the third connecting rod 8 rotate around the hinge short shaft 9 in the opposite direction, and the other ends of the second connecting rod 7 and the third connecting rod 8 fall downwards; meanwhile, the pulleys arranged at one ends of the fourth connecting rod 12 and the fifth connecting rod 13 translate along the sliding rails to the end portions, so that the other ends (free ends) of the fourth connecting rod 12 and the fifth connecting rod 13 also move downwards to return to the initial positions, and the supporting plate 14 and other devices descend simultaneously.
As shown in fig. 3, the guiding device 2 includes a rack and pinion mechanism disposed on the supporting plate 14, and the rack and pinion mechanism drives the supporting device 3 and the rotating device 4 to move back and forth. Specifically, a rack 17 is fixedly provided on the support plate 14, a gear 16 is provided at an end of the support plate 14, and the rack 17 is engaged with the gear 16. The gear 16 is fixed on a rotating shaft in the supporting device 3, and the end of the rotating shaft is provided with a translation handle 15.
The supporting device 3 is also structured as shown in fig. 3, and the supporting device 3 comprises a vertical supporting plate 23 and a bottom plate 24 fixed together, wherein a through hole is provided at the lower part of the vertical supporting plate 23, and a rotating shaft can rotate in the through hole. The base plate 24 has a rack groove for allowing the rack 17 to pass therethrough. Thus, rotation of the translation handle 15 causes rotation of the gear 16 by rotation of the shaft, since the rack 17 meshes with the gear 16, thereby effecting translation of the support device 3 back and forth on the rack 17.
As shown in fig. 5, a rotating device 4 is provided on the upper portion of the supporting device 3, and the rotating device 4 includes a rotating shaft 21, and the rotating shaft 21 is connected to a rotating handle 20 through a transmission mechanism. The transmission mechanism can adopt a crank rocker mechanism and can also adopt other traditional mechanisms. By turning the rotary handle 20 in this way, the entire rotary device 4 is rotated about the center line of the rotary shaft 21.
Further, a left-right fine adjustment mechanism is provided to the rotation device 4. As shown in fig. 5, the left and right fine adjustment mechanism comprises a bracket 25, a rotation axis hole 26 matched with the rotation axis 21 is arranged on the bracket 25, a U-shaped stop block 18 is arranged on the bracket 25, the bottom of the U-shaped stop block 18 is attached to the bracket 25, two support arms of the U-shaped stop block 18 extend forwards to the front of the bracket 25, adjusting bolts 19 are arranged on the two support arms of the U-shaped stop block 18, and the other end of each adjusting bolt 19 tightly supports a product to be tested (a new Chinese style gourd). Thus, the product to be tested can be finely adjusted left and right by adjusting the extension length of the adjusting bolt 19 on the U-shaped stopper 18.
While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the general inventive concept, and it is intended to cover all such changes and modifications as fall within the true spirit and scope of the invention.
Claims (5)
1. The four-degree-of-freedom feeding device is characterized in that: comprises a lifting device (1), a guiding device (2), a supporting device (3) and a rotating device (4); a lifting device (1) is arranged on the rack (22), a guide device (2) is arranged on the lifting device (1), and the lifting device (1) drives the guide device (2), the supporting device (3) and the rotating device (4) to move up and down together; the supporting device (3) and the rotating device (4) are arranged on the guiding device (2), and the guiding device (2) drives the supporting device (3) and the rotating device (4) to perform front-back translational motion; the supporting device (3) is provided with a rotating device (4) which rotates by the rotating device (4); a left and right fine adjustment mechanism is arranged on the rotating device (4);
the lifting device (1) is composed of a hydraulic cylinder (5) and a connecting rod mechanism;
the guide device (2) comprises a gear rack mechanism arranged on the support plate (14), and the gear rack mechanism drives the support device (3) and the rotating device (4) to move back and forth;
the supporting device (3) comprises a vertical supporting plate (23) and a bottom plate (24) which are fixed together, wherein a through hole is formed in the lower part of the vertical supporting plate (23), and the rotating shaft can rotate in the through hole; the bottom plate (24) is provided with a rack groove.
2. The four-degree-of-freedom feeding device according to claim 1, characterized in that: the connecting rod mechanism comprises two groups of hinge mechanisms, the first group of hinge mechanisms comprises a second connecting rod (7) and a fourth connecting rod (12) which are hinged together in the middle, the second group of hinge mechanisms comprises a third connecting rod (8) and a fifth connecting rod (13) which are hinged together in the middle, an intermediate connecting shaft (11) is arranged in the middle of the two groups of hinge mechanisms, and the hinge shafts of the two groups of hinge mechanisms are connected together through the intermediate connecting shaft (11); a first connecting rod (6) is arranged on the same side of the two groups of hinge mechanisms, and the first connecting rod (6) is connected with a piston rod of the hydraulic cylinder (5); the rack (22) is a rectangular frame, a sliding rail is arranged on the inner side of the rectangular frame, one ends of the second connecting rod (7) and the third connecting rod (8) are hinged with the rack (22), a hinged short shaft (9) is arranged at the hinged position, and the other ends of the second connecting rod (7) and the third connecting rod (8) are free ends; one ends of the fourth connecting rod (12) and the fifth connecting rod (13) are provided with pulleys, the pulleys slide on a sliding rail on the inner side of the rack (22), and the other ends of the fourth connecting rod (12) and the fifth connecting rod (13) are free ends; and the free ends of the second connecting rod (7), the fourth connecting rod (12), the third connecting rod (8) and the fifth connecting rod (13) are all provided with rollers (10), and a supporting plate (14) is arranged above the rollers (10).
3. The four-degree-of-freedom feeding device according to claim 2, characterized in that: the rack and pinion mechanism of the guide device (2) comprises: a rack (17) is fixedly arranged on the supporting plate (14), a gear (16) is arranged at the end part of the supporting plate (14), and the rack (17) is meshed with the gear (16); the gear (16) is fixed on a rotating shaft in the supporting device (3), and the tail end of the rotating shaft is provided with a translation handle (15).
4. The four-degree-of-freedom feeding device according to claim 1, characterized in that: the rotating device (4) comprises a rotating shaft (21), and the rotating shaft (21) is connected with a rotating handle (20) through a transmission mechanism.
5. The four-degree-of-freedom feeding device according to claim 4, characterized in that: the left and right fine adjustment mechanism comprises a bracket (25), a rotating shaft hole (26) matched with the rotating shaft (21) is formed in the bracket (25), a U-shaped stop block (18) is arranged on the bracket (25), the bottom of the U-shaped stop block (18) is attached to the bracket (25), two support arms of the U-shaped stop block (18) extend forwards to the front of the bracket (25), and adjusting bolts (19) are arranged on the two support arms of the U-shaped stop block (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222099239.1U CN217571734U (en) | 2022-08-10 | 2022-08-10 | Four-degree-of-freedom feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222099239.1U CN217571734U (en) | 2022-08-10 | 2022-08-10 | Four-degree-of-freedom feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217571734U true CN217571734U (en) | 2022-10-14 |
Family
ID=83535387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222099239.1U Active CN217571734U (en) | 2022-08-10 | 2022-08-10 | Four-degree-of-freedom feeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217571734U (en) |
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2022
- 2022-08-10 CN CN202222099239.1U patent/CN217571734U/en active Active
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