Special assembling clamp for six-degree-of-freedom platform

Abstract

The utility model discloses a special assembling fixture for a six-degree-of-freedom platform, which belongs to the technical field of assembling fixtures, and comprises a flat plate, a movable mechanism comprises a first screw rod rotationally connected in a first T-shaped groove, the outer wall of the first screw rod is in threaded connection with a first movable block, and the outer wall of the first movable block is in threaded connection with a second T-shaped groove. The upper end face of the first movable block extends out of the first T-shaped groove and is fixedly connected with a fixed block, an electric telescopic rod is installed in the fixed block in a penetrating mode, the output end of the electric telescopic rod is fixedly connected with a fastening plate, and the output end of a first driving motor drives a first lead screw to rotate. A first movable block moves in a first T-shaped groove to drive a fixed block, an electric telescopic rod and a fastening plate to move, then the fastening plate is driven to move through the output end of the electric telescopic rod, the fastening plate abuts against the lower platform, the lower platform is conveniently clamped, and the clamping mechanism has the beneficial effects that the clamping mechanism can be conveniently adjusted, the assembling precision is high, and the applicability is wide; and the fastening performance is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of assembly fixture, especially relates to a special assembly fixture of 6 degrees of freedom platform. BACKGROUND

[0002] The fixture refers to the device for fixing the machining object, making it occupy the correct position to accept the construction or detection in the mechanical manufacturing process, also called the fixture.

[0003] The 6 degrees of freedom motion platform is composed of six actuating cylinders, six universal hinges on the upper and lower platforms, and the upper and lower platforms, the lower platform is fixed on the foundation, the six actuating cylinders are used to complete the movement of the upper platform in the space six degrees of freedom (X, Y, Z, alpha, beta, gamma) through the extension and retraction movement, so that various space movement postures can be simulated.

[0004] The existing 6 degrees of freedom platform assembly fixture cannot adjust the clamping mechanism during assembly, reduces the assembly precision, greatly reduces the quality of the product, and the existing assembly fixture is not convenient for assembling different models of 6 degrees of freedom platform, has poor applicability, and the existing fixture has poor fastening performance, the platform may be loose during assembly, which reduces the assembly precision. UTILITY MODEL CONTENTS

[0005] In order to solve the problems in the above background, the utility model provides a special assembly fixture for 6 degrees of freedom platform, which has the characteristics of convenient adjustment of the clamping mechanism, high assembly precision, wide applicability and better fastening performance.

[0006] The utility model is realized in this way, a special assembly fixture for 6 degrees of freedom platform, including the flat plate, the upper end surface of the flat plate is provided with a plurality of array distribution first T type groove, a plurality of first T type groove is provided with movable mechanism in the inside, the movable mechanism includes the first screw rod that rotates and connects in the first T type groove inside, the outer wall of first screw rod is connected with the first movable block in screw,

[0007] The upper end surface of the first movable block extends to the outside of the first T type groove and is fixedly connected with the fixed block, the electric telescopic rod is installed in the inside of the fixed block, the output end of the electric telescopic rod is fixedly connected with the fastening plate, the upper end surface of the fixed block is fixedly connected with the support plate.

[0008] The upper end surface of the support plate is provided with the adjusting mechanism.

[0009] In order to drive the second movable block up and down, as a kind of 6-DOF platform's special assembly fixture of the utility model preferably, the adjusting mechanism includes the vertical column fixedly connected on the upper end surface of support plate, the side wall of vertical column is provided with second T-shaped groove, the second T-shaped groove is rotatably connected with second screw rod, the outer wall of second screw rod is threadedly connected with second movable block, the side wall of second movable block extends to the outer wall of second T-shaped groove and is provided with clamping mechanism.

[0010] In order to drive the second movable block up and down, as a kind of 6-DOF platform's special assembly fixture of the utility model preferably, the adjusting mechanism includes the vertical column fixedly connected on the upper end surface of support plate, the side wall of vertical column is provided with second T-shaped groove, the second T-shaped groove is rotatably connected with second screw rod, the outer wall of second screw rod is threadedly connected with second movable block, the side wall of second movable block extends to the outer wall of second T-shaped groove and is provided with clamping mechanism.

[0011] In order to drive the second movable block up and down, as a kind of 6-DOF platform's special assembly fixture of the utility model preferably, the adjusting mechanism includes the vertical column fixedly connected on the upper end surface of support plate, the side wall of vertical column is provided with second T-shaped groove, the second T-shaped groove is rotatably connected with second screw rod, the outer wall of second screw rod is threadedly connected with second movable block, the side wall of second movable block extends to the outer wall of second T-shaped groove and is provided with clamping mechanism.

[0012] In order to drive the second movable block up and down, as a kind of 6-DOF platform's special assembly fixture of the utility model preferably, the adjusting mechanism includes the vertical column fixedly connected on the upper end surface of support plate, the side wall of vertical column is provided with second T-shaped groove, the second T-shaped groove is rotatably connected with second screw rod, the outer wall of second screw rod is threadedly connected with second movable block, the side wall of second movable block extends to the outer wall of second T-shaped groove and is provided with clamping mechanism.

[0013] In order to drive the second movable block up and down, as a kind of 6-DOF platform's special assembly fixture of the utility model preferably, the adjusting mechanism includes the vertical column fixedly connected on the upper end surface of support plate, the side wall of vertical column is provided with second T-shaped groove, the second T-shaped groove is rotatably connected with second screw rod, the outer wall of second screw rod is threadedly connected with second movable block, the side wall of second movable block extends to the outer wall of second T-shaped groove and is provided with clamping mechanism.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] The utility model discloses, through setting movable mechanism, through the output of first drive motor drive first screw rod rotates, make first movable block move in first T-shaped groove's inside, drive fixed block, electric telescopic rod and fastening plate move, then through the output of electric telescopic rod drive fastening plate moves, make fastening plate with lower platform abuts, convenient for to lower platform clamping, the adaptability is more extensive, fastening performance is better, first movable block is driven to move in first T-shaped groove's inside through the output of first drive motor, and then the movable block is driven to move in second T-shaped groove's inside through the output of second drive motor, so that the C-shaped plate can be moved to the appropriate height, and then the screw rod is rotated through the handle, so that the screw rod drives the pressing plate to move up and down in the C-shaped plate, and the upper platform is clamped conveniently, and the clamping mechanism is adjusted conveniently, and the assembly precision is high.

[0016] Through setting adjusting mechanism and clamping mechanism, through the output of second drive motor drive second screw rod rotates, make second movable block move in second T-shaped groove's inside up and down, convenient for with C-shaped plate moves to the appropriate height, then through handle make screw rod rotate, make screw rod drive pressing plate move up and down in C-shaped plate inside, convenient for to upper platform clamping, convenient for to clamping mechanism adjust, assembly precision is high. DRAWINGS

[0017] Figure 1 It is the overall structural drawing of the special assembly fixture of the 6-degree-of-freedom platform of the utility model;

[0018] Figure 2 It is the overall sectional view of the utility model;

[0019] Figure 3 It is the utility model Figure 2 The enlarged view of A in the middle.

[0020] In the drawing, 1 is a flat plate; 2 is a first T-shaped groove; 3 is a first screw rod; 4 is a first movable block; 5 is a fixed block; 6 is a first driving motor; 7 is an electric telescopic rod; 8 is a fastening plate; 9 is an anti-skid pad; 10 is a supporting plate; 11 is a stand column; 12 is a second T-shaped groove; 13 is a second screw rod; 14 is a second movable block; 15 is a C-shaped plate; 16 is a screw rod; 17 is a pressing plate; 18 is a handle; and 19 is a second driving motor. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the utility model more clear and intelligible, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0022] In the description of the utility model, it should be understood that the directions or position relationships indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the directions or position relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model in that the indicated devices or elements must have a particular direction, be constructed and operated in a particular direction. Therefore, it cannot be understood as a limitation on the utility model. In addition, in the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0023] Please refer to Figures 1-3 A special assembly fixture for a 6-degree-of-freedom platform, comprising a flat plate 1, a plurality of first T-shaped grooves 2 are arranged in an array on the upper end face of the flat plate 1, a movable mechanism is arranged in the interior of the plurality of first T-shaped grooves 2, the movable mechanism comprises a first screw rod 3 rotatably connected in the interior of the first T-shaped groove 2, and a first movable block 4 is threadedly connected to the outer wall of the first screw rod 3;

[0024] The upper end face of the first movable block 4 extends to the outside of the first T-shaped groove 2 and is fixedly connected with a fixed block 5, an electric telescopic rod 7 is installed through the interior of the fixed block 5, a fastening plate 8 is fixedly connected to the output end of the electric telescopic rod 7, and a supporting plate 10 is fixedly connected to the upper end face of the fixed block 5;

[0025] The upper end surface of the support plate 10 is provided with an adjusting mechanism.

[0026] In the embodiment: the lower platform of the 6-DOF platform is placed on the upper end surface of the flat plate 1, the first screw rod 3 is driven to rotate by the output end of the first driving motor 6, the first movable block 4 moves in the first T-shaped groove 2, the fixed block 5, the electric telescopic rod 7 and the fastening plate 8 are driven to move, then the fastening plate 8 is driven to move by the output end of the electric telescopic rod 7, the fastening plate 8 is abutted with the lower platform, the lower platform is clamped, then the clamping mechanism is moved to a suitable height through the adjusting mechanism, then the upper platform is clamped by the clamping mechanism, the clamping mechanism is adjusted, the assembly precision is high, the applicability is relatively wide, and the fastening performance is better.

[0027] As a technical optimization scheme of the utility model, the adjusting mechanism includes the stand 11 fixedly connected on the upper end surface of the support plate 10, the side wall of the stand 11 is provided with the second T-shaped groove 12, the second T-shaped groove 12 is rotatably connected with the second screw rod 13 in the inside, the outer wall of the second screw rod 13 is threadedly connected with the second movable block 14, and the side wall of the second movable block 14 extends to the outer wall of the second T-shaped groove 12 and is provided with the clamping mechanism.

[0028] In the embodiment: the second screw rod 13 is driven to rotate by the output end of the second driving motor 19, the second movable block 14 moves up and down in the second T-shaped groove 12, and the clamping mechanism moves up and down at the same time, so that the clamping mechanism is adjusted, and the assembly precision is high.

[0029] As a technical optimization scheme of the utility model, the clamping mechanism includes the C-shaped plate 15 fixedly connected on the outer wall of the second movable block 14, the screw rod 16 is threadedly connected on the upper end surface of the C-shaped plate 15, and the lower end surface of the screw rod 16 extends to the inside of the C-shaped plate 15 and is rotatably connected with the pressing plate 17.

[0030] In the embodiment: the screw rod 16 is rotated by the handle 18, the screw rod 16 drives the pressing plate 17 to move up and down in the C-shaped plate 15, and the upper platform is clamped.

[0031] As a technical optimization scheme of the utility model, the first driving motor 6 is embedded and installed on the inner side wall of the first T-shaped groove 2, the output end of the first driving motor 6 is fixedly connected with the first screw rod 3, the second driving motor 19 is installed on the upper end surface of the stand 11, and the output end of the second driving motor 19 is fixedly connected with the second screw rod 13.

[0032] In the embodiment: the first screw rod 3 is driven to rotate by the output end of the first driving motor 6, the second screw rod 13 is driven to rotate by the output end of the second driving motor 19, the device is more convenient to operate, the working efficiency is higher, and the adjusting precision is higher.

[0033] As a technical optimization scheme of the utility model, the upper end surface of the screw rod 16 is fixedly connected with the handle 18.

[0034] In the embodiment: the upper end surface of the screw rod 16 is fixedly connected with the handle 18, so as to facilitate the rotation of the screw rod 16.

[0035] As a technical optimization scheme of the utility model, the inner wall of the C-shaped plate 15, the side wall of the fastening plate 8 and the lower end surface of the pressing plate 17 are all fixedly connected with the anti-skid pad 9.

[0036] In the embodiment: the anti-skid pad 9 increases the friction force between the C-shaped plate 15, the side wall of the fastening plate 8, the lower end surface of the pressing plate 17 and the 6-DOF platform, so as to make the clamping more stable.

[0037] Working principle and use process of the utility model:

[0038] Firstly, the lower platform of the 6-DOF platform is placed on the upper end surface of the flat plate 1, the first lead screw 3 is driven to rotate by the output end of the first driving motor 6, the first movable block 4 is moved in the first T-shaped groove 2, the fixed block 5, the electric telescopic rod 7 and the fastening plate 8 are moved to the lower platform, then the fastening plate 8 is moved by the output end of the electric telescopic rod 7, the fastening plate 8 is abutted with the lower platform, so as to facilitate the clamping of the lower platform;

[0039] Then the second lead screw 13 is driven to rotate by the output end of the second driving motor 19, the second movable block 14 is moved up and down in the second T-shaped groove 12, so as to move the clamping mechanism to a suitable height;

[0040] Then the screw rod 16 is rotated by the handle 18, the pressing plate 17 is moved up and down in the C-shaped plate 15 by the screw rod 16, so as to clamp the upper platform, facilitate the adjustment of the clamping mechanism, the assembly precision is high, the applicability is relatively wide, and the fastening performance is better.

[0041] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A dedicated assembly fixture for a 6-DOF platform comprising a flat plate (1), characterized in that: The upper end face of the flat plate (1) is provided with a plurality of array distributed first T-shaped grooves (2), a plurality of the first T-shaped grooves (2) are internally provided with a movable mechanism, the movable mechanism comprises a first lead screw (3) rotatably connected in the first T-shaped groove (2), and the outer wall of the first lead screw (3) is threadedly connected with a first movable block (4); The upper end face of the first movable block (4) extends to the outside of the first T-shaped groove (2) and is fixedly connected with a fixed block (5), the inside of the fixed block (5) is penetratedly installed with an electric telescopic rod (7), the output end of the electric telescopic rod (7) is fixedly connected with a fastening plate (8), and the upper end face of the fixed block (5) is fixedly connected with a supporting plate (10); The upper end face of the supporting plate (10) is provided with an adjusting mechanism.

2. A dedicated assembly fixture for a 6-DOF platform according to claim 1, characterized in that: The adjusting mechanism comprises a stand column (11) fixedly connected to the upper end face of the supporting plate (10), a second T-shaped groove (12) is formed in the side wall of the stand column (11), a second lead screw (13) is rotatably connected in the second T-shaped groove (12), a second movable block (14) is threadedly connected to the outer wall of the second lead screw (13), and a clamping mechanism is arranged on the side wall of the second movable block (14) and extends to the outer wall of the second T-shaped groove (12).

3. A dedicated assembly fixture for a 6-DOF platform according to claim 2, characterized in that: The clamping mechanism comprises a C-shaped plate (15) fixedly connected to the outer wall of the second movable block (14), a screw rod (16) is threadedly connected to the upper end face of the C-shaped plate (15), and a pressing plate (17) is rotatably connected to the inner side of the C-shaped plate (15).

4. A dedicated assembly fixture for a 6-DOF platform according to claim 2, characterized in that: The inner side wall of the first T-shaped groove (2) is embeddedly installed with a first drive motor (6), the output end of the first drive motor (6) is fixedly connected with the first lead screw (3), the upper end face of the stand column (11) is installed with a second drive motor (19), and the output end of the second drive motor (19) is fixedly connected with the second lead screw (13).

5. A dedicated assembly fixture for a 6-DOF platform according to claim 3, characterized in that: The upper end face of the screw rod (16) is fixedly connected with a handle (18).

6. A dedicated assembly fixture for a 6-DOF platform according to claim 3, characterized in that: The inner wall of the C-shaped plate (15), the side wall of the fastening plate (8) and the lower end face of the pressing plate (17) are all fixedly connected with anti-skid pads (9).

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