Positioning mechanism of rotary headstock

Abstract

The utility model provides a rotary headstock positioning mechanism which comprises a rotary disc, a positioning groove is formed in the bottom of the rotary disc, the positioning groove is connected with a positioning plate in a sliding mode, the positioning plate is polygonal, a containing groove is formed in the top of the positioning plate, and a visual positioning mechanism is integrally installed on the containing groove. The visual positioning mechanism comprises a laser marker, the laser marker is installed at the center of the containing groove, a high-definition camera is installed on one side of the bottom of the containing groove, the laser marker and the high-definition camera are connected with a controller through Bluetooth, and the controller is installed on one side of a second supporting plate. The laser marker projects the preset laser band, the high-definition camera collects the contour of the workpiece, the collected image is sent to the image processing unit in the controller, the center line overlap ratio is compared, then the angle of the rotary disc is adjusted, manual repeated position correction is avoided, the error rate is reduced, and the machining efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical processing technical field especially, relates to a positioning mechanism of rotary head frame. BACKGROUND

[0002] The rotary head frame is a mechanical device used to support objects and adjust angles or positions, and its core function is to meet positioning needs in different scenarios through rotation, sliding or linkage structure.

[0003] The positioning mechanism of the rotary head frame refers to the core mechanical assembly used to realize accurate positioning and locking of the rotating component (such as a polygonal rotating disc or a positioning plate), and its core function is to ensure the stability of the rotary head frame after switching at different angles.

[0004] The traditional positioning mechanism of the rotary head frame lacks an auxiliary positioning system, and manual repeated position checking is required, which has a high error rate.

[0005] Therefore, the positioning mechanism of the rotary head frame is proposed. INVENTION CONTENTS

[0006] The technical problem to be solved is that the traditional positioning mechanism of the rotary head frame lacks an auxiliary positioning system, and manual repeated position checking is required, which has a high error rate.

[0007] To achieve the above-mentioned purpose, the utility model provides a positioning mechanism of rotary head frame, characterized by comprising a rotating disc, a positioning groove is arranged at the bottom of the rotating disc, a positioning plate is connected to the positioning groove in a sliding manner, the positioning plate is polygonal, a placing groove is arranged at the top of the positioning plate, a visual positioning mechanism is integrated and installed on the placing groove, the visual positioning mechanism comprises a laser marker, the laser marker is installed at the center position of the placing groove, a high-definition camera is installed at one side of the bottom of the placing groove, the laser marker and the high-definition camera are connected through a Bluetooth connection controller, and the controller is installed at one side of a second support plate.

[0008] In one example, a first drive rod is installed at the bottom of the positioning plate, one end of the first drive rod is connected to one end of a first drive motor, the other end of the first drive motor is connected to a first electric telescopic rod, and one end of the first electric telescopic rod is fixedly connected to a first support plate.

[0009] In one example, a support circular groove is arranged at the bottom of the rotating disc, a support structure is slidingly installed on the support circular groove, the support structure comprises support blocks, four support blocks are slidingly and symmetrically installed on the support circular groove, support rods are fixedly installed at the bottom of the four support blocks, and the support rods are fixedly connected to the first support plate.

[0010] In one example, the support block comprises a first sliding block, second and third sliding blocks are fixedly installed on two sides of the first sliding block, the first, second and third sliding blocks are arc-shaped, and the support circular groove is matched with the first, second and third sliding blocks.

[0011] In one example, the bottom of the rotary disc is provided with a clamping structure, the clamping structure comprises second electric telescopic rods, one end of the two second electric telescopic rods is fixedly installed on the second support plates, the two second support plates are fixedly installed on the top of the first support plate on two sides, the other end of the second electric telescopic rods is provided with clamping blocks, the clamping blocks are arc-shaped, the bottom of the rotary disc is provided with an annular plate, and the clamping blocks are matched with the annular plate.

[0012] In one example, the diameter of the annular plate is greater than that of the support circular groove.

[0013] In one example, one side of the clamping block is provided with a pressure sensor.

[0014] In one example, the rotary disc is uniformly provided with external teeth on the periphery, the rotary disc is toothedly connected with a driving structure, the driving structure comprises a worm, the worm is meshed with the external tooth part of the rotary disc, one end of the worm is connected with a second driving motor, the other end of the worm is connected with one side of the support plate, and one end of the second driving motor is installed on one side of the other second support plate.

[0015] The positioning mechanism of the rotary head frame has the following beneficial effects:

[0016] 1、In the utility model, through laser marker projects preset laser band, high definition camera gathers workpiece profile, sends the image gathered to the image processing unit in the controller, compares the middle line coincidence degree, and then adjusts the rotary disc angle, avoids artificial repeated position correction, reduces the error rate, and improves the processing efficiency.

[0017] 2、In the utility model, the rotary disc is doubly limited through the positioning plate and the clamping block, so that the object is more stable during processing, and then the object with better quality is obtained. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is the whole structure schematic view of the utility model;

[0019] Fig. 2 It is the visual positioning mechanism schematic view of the utility model;

[0020] Fig. 3 It is the support structure and clamping structure schematic view of the utility model;

[0021] Fig. 4 It is the support block structure schematic view of the utility model;

[0022] Fig. 5 It is the clamping structure schematic view of the utility model.

[0023] The signs are as follows:

[0024] 1, rotary disc;2, positioning plate;3, visual positioning mechanism;31, laser marker;32, high-definition camera;4, first drive motor;5, first electric telescopic rod;6, first support plate;7, support structure;71, support block;711, first sliding block;712, second sliding block;713, third sliding block;72, support rod;8, clamping structure;81, second electric telescopic rod;82, clamping block;9, drive structure;91, worm;92, second drive motor. DETAILED DESCRIPTION

[0025] In order to more clearly illustrate the overall concept of the utility model, the following will be described in detail in the form of examples combined with the drawings of the specification.

[0026] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0027] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0028] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated;It can be mechanically connected, or it can be electrically connected, or it can be communicated;It can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.

[0029] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact through an intermediate medium. In the description of the present application, the description of the terms "one scheme", "several schemes", "example", "specific example", or "several examples" means that the specific features, structures, materials or characteristics described in connection with the scheme or example are included in at least one scheme or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same scheme or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more schemes or examples in a suitable manner.

[0030] Embodiment

[0031] As Figs. 1-5 shown, the embodiment of the present application proposes a positioning mechanism of a slewing head frame, which comprises a slewing disc 1, a positioning groove is arranged at the bottom of the slewing disc 1, the positioning groove is slidably connected with a positioning plate 2, the positioning plate 2 is a polygon, the positioning groove is matched with the positioning plate 2, so that the positioning plate 2 can slide into and slide out of the positioning groove, a placing groove is arranged at the top of the positioning plate 2, a visual positioning mechanism 3 is integrated and installed on the placing groove, the visual positioning mechanism 3 comprises a laser marker 31, the laser marker 31 is installed at the center position of the placing groove on the positioning plate 2, a high-definition camera 32 is installed at one side of the bottom of the placing groove, a preset laser strip is projected by the laser marker 31, the workpiece profile is collected by the high-definition camera 32, the middle line coincidence degree is compared by an image processing unit, a second driving motor 92 is controlled to adjust the angle of the slewing disc 1, the laser marker 31 and the high-definition camera 32 are connected with a Bluetooth connection controller, and the controller is installed on one side of the second support plate.

[0032] The visual positioning mechanism 3 can also be installed on one side of the second support plate, and the slewing disc 1 is assisted in positioning from above the side of the slewing disc 1.

[0033] Specifically, a first driving rod is installed at the bottom of the positioning plate 2, one end of the first driving rod is connected with one end of a first driving motor 4, the other end of the first driving motor 4 is connected with a first electric telescopic rod 5, one end of the first electric telescopic rod 5 is fixedly connected with a first support plate 6, when it is needed to drive the slewing disc 1 to rotate, the first electric telescopic rod 5 is driven to move the positioning plate 2 out of the slewing disc 1, when the slewing disc 1 is rotated to a suitable position, the first driving motor 4 is driven to rotate to a matched position, the first electric telescopic rod 5 is driven to operate, the positioning plate 2 is moved into the slewing disc 1, the rotation of the slewing disc 1 is limited, and the slewing disc 1 is supported at the same time.

[0034] Specifically, the bottom of the rotating disc 1 is provided with a supporting circular groove, and a supporting structure 7 is slidingly installed on the supporting circular groove. The supporting structure 7 comprises four supporting blocks 71 which are slidingly and centrally symmetrically installed on the supporting circular groove. The bottom of each of the four supporting blocks 71 is fixedly installed with a supporting rod 72, and the supporting rod 72 is fixedly connected with the first supporting plate 6. The supporting block 71 comprises a first sliding block 711, and the two sides of the first sliding block 711 are fixedly installed with a second sliding block 712 and a third sliding block 713. The first sliding block 711, the second sliding block 712 and the third sliding block 713 are all arc-shaped and matched with the supporting circular groove.

[0035] The first sliding block 711, the second sliding block 712 and the third sliding block 713 are all arc-shaped and matched with the supporting circular groove, that is, two circular grooves of large and small sizes are arranged on the two sides of the supporting circular groove and matched with the third sliding block 713 and the second sliding block 712, so that the supporting block 71 can move in a circular manner on the supporting circular groove, and meanwhile, the rotating disc 1 is prevented from moving out of the supporting block 71, and the rotating disc 1 is supported by the supporting rod 72.

[0036] Specifically, the contact surface of the supporting block 71 and the supporting circular groove is embedded with a copper ring, and a strip-shaped oil groove and an oil storage groove are arranged on the surface, so that the surface of the supporting block 71 is covered with lubricating oil, thereby reducing the friction loss when the rotating disc 1 rotates.

[0037] Specifically, the bottom of the rotating disc 1 is installed with a clamping structure 8. The clamping structure 8 comprises two second electric telescopic rods 81, one end of each of the two second electric telescopic rods 81 is fixedly installed on one side of a second supporting plate, and the two second supporting plates are fixedly installed on the top of the two sides of the first supporting plate 6. The other end of each of the second electric telescopic rods 81 is connected with a clamping block 82. The bottom of the rotating disc 1 is installed with an annular plate, and the diameter of the annular plate is larger than that of the supporting circular groove, so that the annular plate is arranged on the periphery of the supporting circular groove, thereby facilitating the clamping structure 8 to clamp and support the rotating disc 1. The clamping block 82 is arc-shaped, and the curvature of the clamping block 82 is matched with that of the annular plate, so that the clamping block 82 can be attached to the annular plate. Meanwhile, a pressure sensor is installed on one side of the clamping block 82, so as to detect the clamping force of the clamping block 82 and prevent the annular plate from being damaged.

[0038] Specifically, the rotating disc 1 is uniformly provided with external teeth on the periphery thereof. The rotating disc 1 is toothedly connected with a driving structure 9. The driving structure 9 comprises a worm 91 which is engaged with the external toothed portion of the rotating disc 1. One end of the worm 91 is connected with a second driving motor 92, and the other end of the worm 91 is connected with a second supporting plate. One end of the second driving motor 92 is installed on one side of the other second supporting plate. When the rotating disc 1 needs to rotate, the second driving motor 92 is driven to operate, so as to drive the worm 91 to rotate, thereby driving the rotating disc 1 to rotate.

[0039] Working principle: when the rotating disc 1 needs to rotate, the first electric telescopic rod 5 is driven to retract, the positioning plate 2 is removed from the rotating disc 1, the second electric telescopic rod 81 is driven to retract, the clamping block 82 is separated from the arc-shaped plate, then the second drive motor 92 is driven to operate, the worm 91 is rotated, and then the rotating disc 1 is rotated, in the process, the preset laser strip is projected by the laser marker 31, the image projected by the preset laser strip is the image when the rotating disc 1 rotates to the specified position, at the same time, the workpiece profile after the rotating disc 1 rotates is collected by the high-definition camera 32, the collected image is sent to the image processing unit in the controller, the coincidence degree of the center lines is compared, the second drive motor 92 is controlled to adjust the angle of the rotating disc 1, the visual positioning system is used, manual repeated position correction is avoided, the error rate is reduced, and the processing efficiency is improved;

[0040] When the rotating disc 1 rotates to the appropriate position, the first drive motor 4 is driven to operate, at this time, the preset laser strip is projected by the laser marker 31, the image projected by the preset laser strip is the image when the rotating disc 1 has not rotated, at the same time, the workpiece profile after the rotating disc 1 rotates is collected by the high-definition camera 32, the collected image is sent to the image processing unit in the controller, the coincidence degree of the center lines is compared, when the image projected by the preset laser strip coincides with the image when the rotating disc 1 stops rotating, it means that the positioning plate 2 rotates to the position matched with the vertical direction of the positioning groove on the rotating disc 1, then the first electric telescopic rod 5 and the second electric telescopic rod 81 are driven to stretch, the positioning plate 2 is moved into the rotating disc 1 to limit, at the same time, the arc-shaped plate is clamped by the clamping block 82, and then the movement of the rotating disc 1 is limited, through the double limiting, the object is more stable during processing, and then the object with better quality is obtained.

[0041] In the process of rotating the rotating disc 1, the rotating disc 1 is supported by the supporting rod 72, and the surface of the supporting block 71 is covered with lubricating oil to reduce friction loss and improve rotation effect.

[0042] Each of the embodiments in the specification is described in a progressive manner, and the same and similar parts between the embodiments can be referred to each other, and each embodiment mainly describes the difference from other embodiments. Especially, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the related parts can be referred to the part of the method embodiment.

[0043] The above only describes the embodiments of the utility model, and is not used to limit the utility model. For those skilled in the art, the utility model can be variously changed and varied. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the claim range of the utility model.

Claims

1. A positioning mechanism of a slewing head frame, characterized by, The application relates to a rotary disc (1) provided with a positioning groove in the bottom, a positioning plate (2) slidably connected to the positioning groove, the positioning plate (2) being polygonal, a placing groove provided in the top of the positioning plate (2), a visual positioning mechanism (3) integrated on the placing groove, the visual positioning mechanism (3) comprising a laser marker (31) installed at the center of the placing groove, a high-definition camera (32) installed on one side of the bottom of the placing groove, and a controller connected between the laser marker (31) and the high-definition camera (32) through Bluetooth.

2. A positioning mechanism for a slewing head assembly according to claim 1, wherein A first driving rod is installed on the bottom of the positioning plate (2), one end of the first driving rod is connected to one end of a first driving motor (4), the other end of the first driving motor (4) is connected to a first electric telescopic rod (5), and one end of the first electric telescopic rod (5) is fixedly connected to a first supporting plate (6).

3. A positioning mechanism for a slewing head assembly according to claim 2, wherein A supporting circular groove is arranged on the bottom of the rotary disc (1), a supporting structure (7) is slidably installed on the supporting circular groove, the supporting structure (7) comprises supporting blocks (71), four supporting blocks (71) are slidably and symmetrically installed on the supporting circular groove, supporting rods (72) are fixedly installed on the bottom of the four supporting blocks (71), and the supporting rods (72) are fixedly connected to the first supporting plate (6).

4. A positioning mechanism for a slewing head assembly according to claim 3, wherein The supporting blocks (71) comprise first sliding blocks (711), second sliding blocks (712) and third sliding blocks (713) fixedly installed on the two sides of the first sliding blocks (711), and the first sliding blocks (711), the second sliding blocks (712) and the third sliding blocks (713) are all arc-shaped and matched with the supporting circular groove.

5. A positioning mechanism for a slewing head assembly according to claim 3, wherein A clamping structure (8) is installed on the bottom of the rotary disc (1), the clamping structure (8) comprises second electric telescopic rods (81), one end of each of the two second electric telescopic rods (81) is fixedly installed on a second supporting plate, the two second supporting plates are fixedly installed on the top of the two sides of the first supporting plate (6), the other end of each of the second electric telescopic rods (81) is installed with a clamping block (82), the clamping block (82) is arc-shaped, and the rotary disc (1) is installed with a ring-shaped plate, and the clamping block (82) is matched with the ring-shaped plate.

6. A positioning mechanism for a slewing head assembly according to claim 5, wherein The diameter of the ring-shaped plate is larger than that of the supporting circular groove.

7. A positioning mechanism for a slewing head assembly according to claim 5 wherein, A pressure sensor is installed on one side of the clamping block (82).

8. A positioning mechanism for a slewing head assembly according to claim 5, wherein, The rotary disc (1) is provided with outer teeth on the periphery, the rotary disc (1) is toothedly connected to a driving structure (9), the driving structure (9) comprises a worm (91), the worm (91) is engaged with the outer tooth part of the rotary disc (1), one end of the worm (91) is connected to a second driving motor (92), the other end of the worm (91) is connected to one side of a supporting plate, and one end of the second driving motor (92) is installed on one side of another second supporting plate.

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