CN216618500U - Clearance compensation mechanism and ground rail equipment - Google Patents
Clearance compensation mechanism and ground rail equipment Download PDFInfo
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- CN216618500U CN216618500U CN202123435049.4U CN202123435049U CN216618500U CN 216618500 U CN216618500 U CN 216618500U CN 202123435049 U CN202123435049 U CN 202123435049U CN 216618500 U CN216618500 U CN 216618500U
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- movable seat
- clearance
- clearance compensation
- rack
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Abstract
The present disclosure provides a clearance compensation mechanism and a ground rail device; the method comprises the following steps: the device comprises a clearance compensation assembly, a base, a movable seat, a rack, a driving mechanism and a first gear in transmission connection with an output shaft of the driving mechanism; the first gear is meshed with the rack, and the driving mechanism is used for driving the movable seat to slide relative to the base; the clearance compensation assembly comprises a second gear, the second gear is meshed with the first gear, one end of the clearance compensation assembly is hinged to the movable seat, and the other end of the clearance compensation assembly is connected to the movable seat through an elastic device. The problems that certain gaps must be left on gear racks and gaps generated by long-time abrasion of the gear racks in the installation process of the common ground rail can be solved.
Description
Technical Field
The disclosure relates to the technical field of non-standard automation equipment, in particular to a clearance compensation mechanism and ground rail equipment.
Background
Ground rail mechanisms are widely used in the field of automation, such as robot ground rails, transportation ground rails, and the like. In the prior art, a gear rack has a certain clearance in the installation process of a common ground rail, so that the precision of the ground rail is not high; secondly, after the common ground rail runs for a long time, the gear and the rack are abraded to generate gaps, so that the precision of the ground rail is reduced, and the compensation cannot be carried out.
SUMMERY OF THE UTILITY MODEL
In order to solve at least one of the above technical problems, the present disclosure provides a clearance compensation mechanism and a ground rail apparatus.
According to one aspect of the present disclosure, a backlash compensation mechanism is characterized by comprising: the device comprises a clearance compensation assembly, a base, a movable seat, a rack, a driving mechanism and a first gear in transmission connection with an output shaft of the driving mechanism;
the first gear is meshed with the rack, and the driving mechanism is used for driving the movable seat to slide relative to the base;
the clearance compensation assembly comprises a second gear, the second gear is meshed with the first gear, one end of the clearance compensation assembly is hinged to the movable seat, and the other end of the clearance compensation assembly is connected to the movable seat through an elastic device.
According to at least one embodiment of the present disclosure, the clearance compensation assembly includes a pressing plate, one end of the pressing plate is hinged to the movable seat, the other end of the pressing plate is adjustably connected to the movable seat through an elastic device, and the second gear is arranged in the middle of the pressing plate.
According to at least one embodiment of the present disclosure, the elastic device includes an adjusting bolt and a spring sleeved on the adjusting bolt, and the elastic device adjusts pressing force between the first gear and the rack through the adjusting bolt.
According to at least one embodiment of the present disclosure, the driving mechanism is one of a servo motor and a stepping motor.
According to at least one embodiment of the present disclosure, the base further has a guide rail thereon for supporting and guiding the movable floor.
According to at least one embodiment of the present disclosure, the driving mechanism is installed on the pressing plate, and the pressing plate is closely attached to the opposite surface of the movable seat.
According to at least one embodiment of the present disclosure, the second gear end surface has a first oil hole opened along an axial direction thereof, and the outer peripheral surface of the second gear has a second oil hole opened along a radial direction thereof, the first oil hole communicating with the second oil hole.
According to at least one embodiment of the present disclosure, the second gear is mounted on the pressure plate, and the first oil hole is coaxial with the second gear.
According to at least one embodiment of the present disclosure, the pressing plate is located below the movable seat, and the movable seat is provided with a notch through which the driving mechanism passes.
According to another aspect of the present disclosure, a ground rail device is characterized by comprising any one of the clearance compensation mechanisms.
The beneficial effects of this disclosure are: through clearance compensation assembly's setting, tightly mesh first gear and rack, make first gear keep good meshing transmission with the rack all the time under resilient means's effect to the clearance is compensated, the precision is guaranteed. The automatic clearance compensation function can eliminate and solve the difficult problems that certain clearance must be left on the gear rack and the clearance generated by long-time abrasion of the gear rack in the installation process of the common ground rail.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the disclosure and together with the description serve to explain the principles of the disclosure.
Fig. 1 is a schematic view of a clearance compensation mechanism according to an embodiment of the present disclosure.
Fig. 2 is a schematic view at a clearance compensation assembly in a clearance compensation mechanism according to an embodiment of the present disclosure.
Fig. 3 is a bottom view of fig. 2.
Fig. 4 is a sectional view of a second gear in the backlash compensation mechanism according to the embodiment of the present disclosure.
Reference numerals: the device comprises a base 1, a movable seat 2, a rack 3, a clearance compensation assembly 4, a driving mechanism 5, a first gear 6, a second gear 7, a pressing plate 8, an adjusting bolt 9, a spring 10, a first oil hole 11, a second oil hole 12 and a baffle 13.
Detailed Description
The present disclosure will be described in further detail with reference to the drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the present disclosure. It should be further noted that, for the convenience of description, only the portions relevant to the present disclosure are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict. The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Fig. 1 to 4 illustrate a clearance compensation mechanism provided by the present disclosure, including: the device comprises a clearance compensation component 4, a base 1, a movable seat 2, a rack 3, a driving mechanism 5 and a first gear 6 in transmission connection with an output shaft of the driving mechanism 5;
the first gear 6 is meshed with the rack 3, and the driving mechanism 5 is used for driving the movable seat 2 to slide relative to the base 1;
the clearance compensation assembly 4 comprises a second gear 7, the second gear 7 is meshed with the first gear 6, one end of the clearance compensation assembly 4 is hinged to the movable base 2, and the other end of the clearance compensation assembly 4 is connected to the movable base 2 through an elastic device.
The driving mechanism 5 drives the first gear 6 to rotate, the first gear 6 is meshed with the rack 3 for transmission, and then the movable seat 2 is driven to move on the base 1. The clearance compensation assembly 4 comprises a pressing plate 8, one end of the pressing plate 8 is hinged to the movable seat 2, the other end of the pressing plate 8 is adjustably connected to the movable seat 2 through an elastic device, and the second gear 7 is arranged in the middle of the pressing plate 8. The driving mechanism 5 is installed on the pressing plate 8 and connected with the first gear 6, the second gear 7 is installed on the pressing plate 8, the first gear 6 and the second gear 7 are tightly abutted to the side of the rack 3 together through an elastic device, the first gear 6 is always accurately meshed with the rack 3, and gaps are eliminated.
The end surface of the second gear 7 is provided with a first oil hole 11 along the axial direction, the outer circumferential surface of the second gear 7 is provided with a second oil hole 12 along the radial direction, the first oil hole 11 is communicated with the second oil hole 12, lubricating oil is introduced through the oil holes and is transmitted to the first gear 6 through the second gear 7, and therefore the first gear 6 and the rack 3 meshed with the first gear 6 are lubricated, and abrasion is reduced. The first oil hole 11 is connected to an oil pump. The second gear 7 is mounted on the pressure plate 8, and the first oil hole 11 is coaxial with the second gear 7.
The elastic device comprises an adjusting bolt 9 and a spring 10 sleeved on the adjusting bolt 9, and the elastic device adjusts pressing force between the first gear 6 and the rack 3 through the adjusting bolt 9. Adjusting bolt 9 passes pressure strip 8 and is connected with the screw-thread fit of sliding seat 2, and spring 10 is located between adjusting bolt 9's nut and pressure strip 8, makes pressure strip 8 support tightly to rack 3 side all the time under the spring 10 effect, and first gear 6 tightly meshes with rack 3 all the time promptly, eliminates the error that mechanical wear brought, realizes the automatic compensation function.
The driving mechanism 5 is one of a servo motor and a stepping motor, and can accurately move to any linear position. The base 1 is also provided with a guide rail which is used for supporting and guiding the movable seat 2, so that the movable seat 2 can support and directionally slide on the base 1. A baffle 13 fixed on the base 1 can be arranged between the guide rail and the movable seat 2 to prevent parts and the like from falling into the base 1 or the guide rail.
The driving mechanism 5 is arranged on the pressing plate 8, and the pressing plate 8 is tightly attached to the opposite surface of the movable seat 2. The pressure strip 8 can rotate round the axis of rotation, and is articulated mutually with sliding seat 2 promptly, can adopt the pressure pin to make pressure strip 8 hug closely with sliding seat 2, guarantees clearance compensation subassembly 4 promptly and hugs closely sliding seat 2, and spring 10 is under the elastic force effect, with first gear 6 and 3 inseparable meshes of rack, produces the clearance because of wearing and tearing after the long-time function, equally can guarantee inseparable meshing under the spring 10 effect, guarantees the rotation accuracy.
The pressure strip 8 is located below the movable seat 2, the movable seat 2 is provided with an opening for the driving mechanism 5 to pass through, the installation is convenient, the structural layout is reasonable, and the space is saved.
The utility model also provides an embodiment, a ground rail equipment, including foretell clearance compensation mechanism, adopt foretell clearance compensation mechanism to solve rack and pinion 3 and must leave certain clearance and rack and pinion 3 long-time wearing and tearing produced difficult problem in the installation of ordinary ground rail.
In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of illustration of the disclosure and are not intended to limit the scope of the disclosure. Other variations or modifications may occur to those skilled in the art, based on the foregoing disclosure, and are still within the scope of the present disclosure.
Claims (10)
1. A clearance compensation mechanism, comprising: the device comprises a clearance compensation assembly, a base, a movable seat, a rack, a driving mechanism and a first gear in transmission connection with an output shaft of the driving mechanism;
the first gear is meshed with the rack, and the driving mechanism is used for driving the movable seat to slide relative to the base;
the clearance compensation assembly comprises a second gear, the second gear is meshed with the first gear, one end of the clearance compensation assembly is hinged to the movable seat, and the other end of the clearance compensation assembly is connected to the movable seat through an elastic device.
2. The clearance compensating mechanism according to claim 1, wherein the clearance compensating assembly comprises a pressing plate, one end of the pressing plate is hinged to the movable seat, the other end of the pressing plate is adjustably connected to the movable seat through an elastic device, and the second gear is arranged in the middle of the pressing plate.
3. The clearance compensating mechanism according to claim 1, wherein the elastic means includes an adjustment bolt and a spring fitted over the adjustment bolt, and the elastic means adjusts the pressing force between the first gear and the rack by the adjustment bolt.
4. The clearance compensation mechanism of claim 1, wherein the drive mechanism is one of a servo motor and a stepper motor.
5. The clearance compensation mechanism of claim 1, further comprising a guide rail on the base for supporting and guiding the movable floor.
6. The clearance compensating mechanism according to claim 2, wherein the drive mechanism is mounted on a compression plate that is in close abutment with the opposing surface of the movable mount.
7. The clearance compensating mechanism according to claim 2, wherein the second gear end surface has a first oil hole opened along an axial direction thereof, and an outer peripheral surface of the second gear has a second oil hole opened along a radial direction thereof, the first oil hole communicating with the second oil hole.
8. The clearance compensating mechanism according to claim 7, wherein the second gear is mounted on the pressure plate, and the first oil hole is coaxial with the second gear.
9. The clearance compensating mechanism of claim 2, wherein the hold-down plate is positioned below the movable seat, the movable seat having a gap through which the drive mechanism passes.
10. A ground rail device, characterized in that it comprises a clearance compensation mechanism according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123435049.4U CN216618500U (en) | 2021-12-29 | 2021-12-29 | Clearance compensation mechanism and ground rail equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123435049.4U CN216618500U (en) | 2021-12-29 | 2021-12-29 | Clearance compensation mechanism and ground rail equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216618500U true CN216618500U (en) | 2022-05-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123435049.4U Active CN216618500U (en) | 2021-12-29 | 2021-12-29 | Clearance compensation mechanism and ground rail equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216618500U (en) |
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2021
- 2021-12-29 CN CN202123435049.4U patent/CN216618500U/en active Active
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