CN216939101U - Three-degree-of-freedom electric cylinder switching platform - Google Patents
Three-degree-of-freedom electric cylinder switching platform Download PDFInfo
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- CN216939101U CN216939101U CN202021464039.6U CN202021464039U CN216939101U CN 216939101 U CN216939101 U CN 216939101U CN 202021464039 U CN202021464039 U CN 202021464039U CN 216939101 U CN216939101 U CN 216939101U
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- slide rail
- pull rod
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Abstract
The utility model discloses a three-degree-of-freedom electric cylinder switching platform, which belongs to the technical field of mechanical manufacturing and consists of three movable platforms, electric cylinders and sliding rails, wherein the three movable platforms are parallel to three coordinate axes of a vehicle body X, Y, Z; the fixed end of the Y-direction sliding rail is fixedly connected with the X-direction platform, and the Y-direction electric cylinder is fixedly connected with the X-direction platform; the Y-direction electric cylinder is connected with a Y-direction slide rail pull rod, and the Y-direction slide rail pull rod is fixedly connected with the Y-direction platform; the Y-direction platform is connected with the Y-direction slide rail; a Z-direction electric cylinder support is fixedly connected to the Y-direction platform, a Z-direction double-guide-column electric cylinder is fixedly mounted on the Z-direction electric cylinder support, and a mounting platform is mounted on the Z-direction double-guide-column electric cylinder; the switching platform is simple in structure, low in cost, convenient to operate, safe and reliable, and overcomes the defect that an electric servo mechanism and a snake-shaped robot are high in cost.
Description
Technical Field
The utility model belongs to the technical field of mechanical manufacturing, and particularly relates to a three-degree-of-freedom electric cylinder switching platform.
Background
In the modern automobile industry, cost optimization is pursued more and more, and an automobile main engine factory often produces two or more automobile models in a collinear way so as to reduce the manufacturing cost. Different models of vehicles, the difference of the positioning reference points of the welding lines for welding the vehicle bodies can exist, the more and more complicated the vehicle models are produced by a mixed line, and the more complicated the position switching of the positioning reference points can be. And the switching of the positioning reference points needs higher precision in order to ensure the welding precision of the vehicle body. When a plurality of vehicle types are produced in a mixed line mode, the original pneumatic switching device taking the air cylinder as a switching power source can not meet the requirements more and more, and if the switching device driven by the air cylinder is difficult to realize high-precision switching of the position of a datum point in the height-height direction (the Z direction of a vehicle body coordinate), the air cylinder does not have complete locking and absolute pressure maintaining of a positioning point; it is also difficult to realize highly precise stable movement in the front-rear and left-right directions (the direction of the vehicle body coordinate X, Y) under the production conditions of a plurality of vehicle types, and there is a problem that the structural stability is poor even if the movement is barely realized by a mechanical structure.
SUMMERY OF THE UTILITY MODEL
The utility model provides a three-degree-of-freedom electric cylinder switching platform, aiming at solving the problems that the traditional pneumatic clamp can not realize high-precision three-degree-of-freedom arbitrary position switching and the like. The reciprocating positioning precision of the electric cylinder is +/-0.02 mm, and the positioning precision requirement of the welding fixture is completely met, so that the electric cylinder replaces the air cylinder, and the electric cylinder is used as a power source of the fixture positioning switching unit, so that the high-precision position switching of the positioning reference point can be realized, and the foundation of realizing the three-degree-of-freedom electric cylinder switching platform is fundamentally solved.
The utility model is realized by the following technical scheme:
a three-degree-of-freedom electric cylinder switching platform comprises three movable platforms, electric cylinders and sliding rails, wherein the three movable platforms are parallel to three coordinate axes of a vehicle body X, Y, Z, and are respectively an X-direction platform 3, a Y-direction platform 10 and an installation platform 7; the electric cylinders are an X-direction electric cylinder 12, a Y-direction electric cylinder 11 and a Z-direction electric cylinder 6 respectively; the slide rails comprise X-direction slide rails 2 and Y-direction slide rails 4;
the fixed end of the X-direction slide rail 2 is fixedly connected with the base platform 1, the X-direction electric cylinder 12 is fixed on the base platform 1, the X-direction electric cylinder 12 is connected with the X-direction slide rail pull rod 13 through a hinge, the X-direction slide rail pull rod 13 is fixedly connected with the X-direction platform 3, and the X-direction platform 3 is fixedly connected with the sliding end of the X-direction slide rail 2;
the fixed end of the Y-direction slide rail 4 is fixedly connected with the X-direction platform 3, and the Y-direction electric cylinder 11 is fixedly connected with the X-direction platform 3; the Y-direction electric cylinder 11 is connected with the Y-direction slide rail pull rod 5 through a hinge, and the Y-direction slide rail pull rod 5 is fixedly connected with the Y-direction platform 10; the Y-direction platform 10 is fixedly connected with the sliding end of the Y-direction sliding rail 4;
the Y-direction platform 10 is fixedly connected with a Z-direction electric cylinder bracket 9, a Z-direction double-guide-column electric cylinder 6 is fixedly installed on the Z-direction electric cylinder bracket 9, and an installation platform 7 is installed on the Z-direction double-guide-column electric cylinder 6; the controlled assembly 8 is mounted on the mounting platform 7.
Compared with the prior art, the utility model has the following advantages:
the three-degree-of-freedom electric cylinder switching platform is simple in structure, low in cost, convenient to operate, safe and reliable, overcomes the defect of high cost of an electric servo mechanism and a snake-shaped robot, achieves high-flexibility position switching of a clamp positioning structure in a low-cost and reliable mode, and has high practical value.
Drawings
FIG. 1 is a schematic structural diagram of a three-degree-of-freedom electric cylinder switching platform according to the present invention;
in the figure: the device comprises a base platform 1, an X-direction slide rail 2, an X-direction platform 3, a Y-direction slide rail 4, a Y-direction slide rail pull rod 5, a Z-direction electric cylinder 6, a mounting platform 7, a controlled assembly 8, a Z-direction electric cylinder support 9, a Y-direction platform 10, a Y-direction electric cylinder 11, an X-direction electric cylinder 12 and an X-direction slide rail pull rod 13.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
Example 1
A three-degree-of-freedom electric cylinder switching platform comprises three movable platforms, electric cylinders and sliding rails, wherein the three movable platforms are parallel to three coordinate axes of a vehicle body X, Y, Z, and are respectively an X-direction platform 3, a Y-direction platform 10 and an installation platform 7; the electric cylinders are an X-direction electric cylinder 12, a Y-direction electric cylinder 11 and a Z-direction electric cylinder 6 respectively; the slide rails comprise X-direction slide rails 2 and Y-direction slide rails 4;
the fixing end of the X-direction slide rail 2 is fixedly connected with the base platform 1, the base platform 1 is responsible for being connected with the clamp main body, the X-direction electric cylinder 12 is fixed on the base platform 1, the X-direction electric cylinder 12 is connected with the X-direction slide rail pull rod 13 through a hinge, the X-direction slide rail pull rod 13 is fixedly connected with the X-direction platform 3, and the X-direction platform 3 is fixedly connected with the sliding end of the X-direction slide rail 2; when the X-direction electric cylinder 12 moves, the X-direction platform 3 is pulled to move along the X-direction slide rail 2 of the vehicle body at high precision;
the fixed end of the Y-direction slide rail 4 is fixedly connected with the X-direction platform 3, and the Y-direction electric cylinder 11 is fixedly connected with the X-direction platform 3; the Y-direction electric cylinder 11 is connected with the Y-direction slide rail pull rod 5 through a hinge, and the Y-direction slide rail pull rod 5 is fixedly connected with the Y-direction platform 10; the Y-direction platform 10 is fixedly connected with the sliding end of the Y-direction sliding rail 4; when the Y-direction electric cylinder 11 cylinder rod moves, the Y-direction platform 10 is pulled to move along the Y-direction slide rail of the vehicle body at high precision;
the Y-direction platform 10 is fixedly connected with a Z-direction electric cylinder bracket 9, a Z-direction double-guide-column electric cylinder 6 is fixedly installed on the Z-direction electric cylinder bracket 9, and an installation platform 7 is installed on the Z-direction double-guide-column electric cylinder 6; the controlled assembly 8 is mounted on the mounting platform 7.
When the Z-direction double-guide-column electric cylinder 6 moves, the mounting platform 7 is driven to move along the Z direction of the vehicle body. When the X-direction electric cylinder 12, the Y-direction electric cylinder 11 and the Z-direction double-guide-post electric cylinder 6 are cooperatively moved together, high-precision fixed-point movement of the controlled assembly 8 in the stroke range of the electric cylinder is realized, and position fixing is realized at a conversion point, so that high-precision fixed-point movement of the clamp positioning mechanism is realized. The motion of the electric cylinder in three directions is controlled by a servo system controller, so that the realization is simpler.
Claims (1)
1. A three-degree-of-freedom electric cylinder switching platform is characterized by comprising three movable platforms, electric cylinders and sliding rails, wherein the three movable platforms are parallel to three coordinate axes of a vehicle body X, Y, Z, and the three movable platforms are respectively an X-direction platform (3), a Y-direction platform (10) and an installation platform (7); the electric cylinders are respectively an X-direction electric cylinder (12), a Y-direction electric cylinder (11) and a Z-direction electric cylinder (6); the slide rails comprise X-direction slide rails (2) and Y-direction slide rails (4);
the fixed end of the X-direction sliding rail (2) is fixedly connected with the base platform (1), the X-direction electric cylinder (12) is fixed on the base platform (1), the X-direction electric cylinder (12) is connected with an X-direction sliding rail pull rod (13) through a hinge, the X-direction sliding rail pull rod (13) is fixedly connected with the X-direction platform (3), and the X-direction platform (3) is fixedly connected with the sliding end of the X-direction sliding rail (2);
the fixed end of the Y-direction sliding rail (4) is fixedly connected with the X-direction platform (3), and the Y-direction electric cylinder (11) is fixedly connected with the X-direction platform (3); the Y-direction electric cylinder (11) is connected with a Y-direction slide rail pull rod (5) through a hinge, and the Y-direction slide rail pull rod (5) is fixedly connected with the Y-direction platform (10); the Y-direction platform (10) is fixedly connected with the sliding end of the Y-direction sliding rail (4);
a Z-direction electric cylinder support (9) is fixedly connected to the Y-direction platform (10), a Z-direction electric cylinder (6) is fixedly mounted on the Z-direction electric cylinder support (9), and a mounting platform (7) is mounted on the Z-direction electric cylinder (6); the controlled assembly (8) is mounted on the mounting platform (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021464039.6U CN216939101U (en) | 2020-07-23 | 2020-07-23 | Three-degree-of-freedom electric cylinder switching platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021464039.6U CN216939101U (en) | 2020-07-23 | 2020-07-23 | Three-degree-of-freedom electric cylinder switching platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216939101U true CN216939101U (en) | 2022-07-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021464039.6U Active CN216939101U (en) | 2020-07-23 | 2020-07-23 | Three-degree-of-freedom electric cylinder switching platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216939101U (en) |
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2020
- 2020-07-23 CN CN202021464039.6U patent/CN216939101U/en active Active
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