CN215824832U - Elevator shaft keyseat fixing device - Google Patents
Elevator shaft keyseat fixing device Download PDFInfo
- Publication number
- CN215824832U CN215824832U CN202120136651.9U CN202120136651U CN215824832U CN 215824832 U CN215824832 U CN 215824832U CN 202120136651 U CN202120136651 U CN 202120136651U CN 215824832 U CN215824832 U CN 215824832U
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- elevator shaft
- fixing device
- conical gear
- gear
- cylindrical gear
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Abstract
The utility model discloses a fixing device for milling key grooves of an elevator shaft, which comprises a base and a workbench, wherein the workbench is provided with a mounting groove, the lower side of the right end of the workbench is movably mounted on the base through a first hinge, the left side of the workbench is provided with an adjusting mechanism for adjusting the inclination angle of the workbench, the left side of the upper end of the workbench is fixedly provided with a left positioning support, and the right side of the upper end of the workbench is movably provided with a right positioning support. According to the length of the elevator shaft with the key groove to be milled and the size of the cross-section circle, the position of the threaded seat is changed by rotating the first screw rod, so that the distance between the left positioning support and the right positioning support is adjusted, a proper cushion block is selected, the key groove can be fixedly milled on the elevator shaft with the key groove to be milled, the inclined angle of the working table can be adjusted by adjusting the extending amount of the threaded sleeve when the tapered elevator shaft is machined, the adjustment is simple and convenient, and the precision is high.
Description
Technical Field
The utility model relates to the technical field of fixing devices for milling machines, in particular to a fixing device for milling key grooves of an elevator shaft.
Background
The fixing device is widely applied to the processing and manufacturing of workpieces. At present, the following problems often exist in the clamp for machining the key grooves of the elevator shaft workpieces: in single-piece and small-batch production, because clamping and positioning are inaccurate, an operator always needs to continuously perform manual correction on a clamping device in the initial process and then perform key slot milling operation, the processing precision of a workpiece is poor, and the working efficiency is low; meanwhile, when the tapered elevator shaft is machined, the angle is generally adjusted through the cushion block in the prior art, the adjustment is inconvenient, and the precision is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a fixing device for milling key grooves of an elevator shaft, which solves the problems in the prior art.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides an elevator shaft keyseat fixing device, its includes base and workstation, wherein:
the worktable is provided with a mounting groove, the lower side of the right end of the worktable is movably mounted on the base through a first hinge, the left side of the worktable is provided with an adjusting mechanism for adjusting the inclination angle of the worktable, the adjusting mechanism is arranged in the mounting groove and comprises a first conical gear, a second conical gear, a first cylindrical gear, a second screw, a threaded sleeve and a universal head, the first conical gear is meshed with the second conical gear, the first cylindrical gear is meshed with the second cylindrical gear, the second conical gear and the first cylindrical gear are mounted on the same mounting shaft, the lower end of the mounting shaft of the second cylindrical gear is fixedly connected with the second screw, the second screw is sleeved with the threaded sleeve through threads, the lower end of the threaded sleeve is provided with the universal head, and the universal head is movably mounted in the mounting seat, the mounting seat is mounted on the base;
the upper end left side of workstation is fixed and is provided with left location support, and its upper end right side activity is provided with right location support, first screw rod is installed through the bearing in the right side of mounting groove, install the screw thread seat on the first screw rod, the upper end at the screw thread seat is fixed to right location support.
Preferably, the base is detachably arranged on the working surface of the external milling machine.
Preferably, a guide rod is arranged in the mounting groove and arranged between the first screw rod and the right positioning support.
Preferably, the right end of the first screw and the top end of the first conical gear mounting shaft are provided with a crank.
Preferably, the number of teeth of the first conical gear is less than that of the second conical gear, and the number of teeth of the first cylindrical gear is less than that of the second cylindrical gear.
Preferably, left side location support and right side location support's structure is the same, and it includes clamp splice, second hinge and cushion, two the clamp splice longitudinal symmetry sets up, through second hinged joint between the it, the groove that is used for installing the cushion is seted up to the clamp splice inboard, the cushion is semi-circular, and it offers the half slot that is used for installing different diameter elevator shafts.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the length of the elevator shaft with the key groove to be milled and the size of the section circle, the position of the threaded seat is changed by rotating the first screw, so that the distance between the left positioning support and the right positioning support is adjusted, the proper cushion block is selected, the key groove can be fixedly milled on the elevator shaft with the key grooves to be milled, and the production efficiency is improved.
2. When the tapered elevator shaft is machined, the inclination angle of the workbench is adjusted by adjusting the extension amount of the threaded sleeve through the adjusting mechanism, so that milling machining of the tapered key grooves of the elevator shaft with different tapers can be completed, and the tapered elevator shaft is simple and convenient to adjust and high in precision.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the left positioning support of the present invention;
FIG. 3 is an enlarged view of the area A of the present invention;
FIG. 4 is a schematic view of the adjusting mechanism of the present invention;
fig. 5 is a schematic structural diagram of an operating state of the present invention.
In the figure: the device comprises a base 1, a workbench 2, a left positioning support 3, a right positioning support 4, a mounting groove 5, a first screw rod 6, a bearing 7, a threaded seat 8, a guide rod 9, a crank 10, a first hinge 11, a first conical gear 12, a second conical gear 13, a first cylindrical gear 14, a second cylindrical gear 15, a second screw rod 16, a threaded sleeve 17, a universal head 18, a mounting seat 19, a clamping block 20, a second hinge 21 and a cushion block 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution:
the utility model provides an elevator shaft keyseat fixing device, its includes base 1 and workstation 2, and base 1 is detachable sets up on the working face of outside milling machine.
The worktable 2 is provided with a mounting groove 5, the lower side of the right end of the worktable 2 is movably mounted on the base 1 through a first hinge 11, the left side of the worktable is provided with an adjusting mechanism for adjusting the inclination angle of the worktable 2, the adjusting mechanism is arranged in the mounting groove 5 and comprises a first conical gear 12, a second conical gear 13, a first cylindrical gear 14, a second cylindrical gear 15, a second screw 16, a threaded sleeve 17 and a universal head 18, the first conical gear 12 is meshed with the second conical gear 13, the first cylindrical gear 14 is meshed with the second cylindrical gear 15, the second conical gear 13 and the first cylindrical gear 14 are mounted on the same mounting shaft, the lower end of the mounting shaft of the second cylindrical gear 15 is fixedly connected with the second screw 16, the second screw 16 is sleeved with the threaded sleeve 17 through threads, the lower end of the threaded sleeve 17 is provided with the universal head 18, the universal head 18 is movably mounted in a mounting seat 19, the mount 19 is mounted on the base 1.
The left side of the upper end of the workbench 2 is fixedly provided with a left positioning support 3, the right side of the upper end of the workbench is movably provided with a right positioning support 4, the right side of the mounting groove 5 is provided with a first screw 6 through a bearing 7, the first screw 6 is provided with a threaded seat 8, the right positioning support 4 is fixed at the upper end of the threaded seat 8, a guide rod 9 is arranged in the mounting groove 5, and the guide rod 9 is arranged between the first screw 6 and the right positioning support 4.
A crank handle 10 is arranged at the right end of the first screw rod 6 and the top end of the mounting shaft of the first conical gear 12.
The number of teeth of the first conical gear 12 is less than that of the second conical gear 13, the number of teeth of the first cylindrical gear 14 is less than that of the second cylindrical gear 15, in the embodiment, the gear ratio of the first conical gear 12 to the second conical gear 13 is 1:2, the gear ratio of the first cylindrical gear 14 to the second cylindrical gear 15 is 1:3, multi-stage speed reduction is achieved, and adjustment accuracy is improved.
Left side location support 3 is the same with right side location support 4's structure, and it includes clamp splice 20, second hinge 21 and cushion 22, and two clamp splices 20 are the symmetry from top to bottom and set up, connect through second hinge 21 between it, and the groove that is used for installing cushion 22 is offered to clamp splice 20 inboard, and cushion 22 is semi-circular, and its semicircular groove of seting up different diameters is used for installing the elevator axle of different diameters.
The working principle of the utility model is as follows: according to the length of the elevator shaft of waiting to mill the keyway and the size of cross-section circle, change the position of screw thread seat 8 through rotatory first screw rod 6 to the distance between adjustment left side positioning support 3 and the right positioning support 4, and select suitable cushion 22, can fix milling the keyway to the elevator shaft of waiting to mill the keyway of not unidimensional, improved production efficiency.
When adding man-hour to having the tapering elevator shaft, it is alpha to establish the tapering of elevator shaft, rotate crank 10, drive first conical gear 12, second conical gear 13, first cylindrical gear 14, second cylindrical gear 15 and second screw rod 16 are rotatory, threaded sleeve 17 stretches out downwards, workstation 2 is rotatory under first hinge 11's effect relative base 1, the angle between workstation 2 and the base 1 is beta, the inclination of workstation 2 is adjusted to the volume of stretching out of adjusting mechanism regulation threaded sleeve 17, until beta ═ alpha, can accomplish the conical surface keyway milling of the elevator shaft of different tapering, it is simple and convenient to adjust, the precision is higher.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an elevator axle keyseat fixing device, its includes base (1) and workstation (2), its characterized in that:
the worktable (2) is provided with a mounting groove (5), the lower side of the right end of the worktable (2) is movably mounted on the base (1) through a first hinge (11), the left side of the worktable is provided with an adjusting mechanism for adjusting the inclination angle of the worktable (2), the adjusting mechanism is arranged in the mounting groove (5) and comprises a first conical gear (12), a second conical gear (13), a first cylindrical gear (14), a second cylindrical gear (15), a second screw (16), a threaded sleeve (17) and a universal head (18), the first conical gear (12) is meshed with the second conical gear (13), the first cylindrical gear (14) is meshed with the second cylindrical gear (15), the second conical gear (13) and the first cylindrical gear (14) are mounted on the same mounting shaft, the lower end of the mounting shaft of the second cylindrical gear (15) is fixedly connected with the second screw (16), a threaded sleeve (17) is sleeved on the second screw (16) through threads, a universal head (18) is arranged at the lower end of the threaded sleeve (17), the universal head (18) is movably mounted in a mounting seat (19), and the mounting seat (19) is mounted on the base (1);
the upper end left side of workstation (2) is fixed and is provided with left location support (3), and its upper end right side activity is provided with right location support (4), first screw rod (6) are installed through bearing (7) in the right side of mounting groove (5), install screw thread seat (8) on first screw rod (6), the upper end at screw thread seat (8) is fixed in right side location support (4).
2. The elevator shaft keyway fixing device of claim 1, wherein: the base (1) is detachably arranged on the working surface of the external milling machine.
3. The elevator shaft keyway fixing device of claim 1, wherein: be equipped with guide bar (9) in mounting groove (5), guide bar (9) set up between first screw rod (6) and right positioning support (4).
4. The elevator shaft keyway fixing device of claim 1, wherein: and a crank (10) is arranged at the right end of the first screw (6) and the top end of the mounting shaft of the first conical gear (12).
5. The elevator shaft keyway fixing device of claim 1, wherein: the number of teeth of the first conical gear (12) is less than that of the second conical gear (13), and the number of teeth of the first cylindrical gear (14) is less than that of the second cylindrical gear (15).
6. The elevator shaft keyway fixing device of claim 1, wherein: left side location support (3) and right side location support (4) the same in structure, it includes clamp splice (20), second hinge (21) and cushion (22), two the longitudinal symmetry sets up clamp splice (20), connects through second hinge (21) between it, the groove that is used for installing cushion (22) is seted up to clamp splice (20) inboard, cushion (22) are semi-circular, and it offers the half slot that is used for installing different diameter elevator axles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120136651.9U CN215824832U (en) | 2021-01-19 | 2021-01-19 | Elevator shaft keyseat fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120136651.9U CN215824832U (en) | 2021-01-19 | 2021-01-19 | Elevator shaft keyseat fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215824832U true CN215824832U (en) | 2022-02-15 |
Family
ID=80186911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120136651.9U Active CN215824832U (en) | 2021-01-19 | 2021-01-19 | Elevator shaft keyseat fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215824832U (en) |
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2021
- 2021-01-19 CN CN202120136651.9U patent/CN215824832U/en active Active
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