Positioning mechanism

Abstract

The utility model relates to the technical field of conveying, and particularly discloses a positioning mechanism which comprises a limiting unit and a one-way limiting mechanism, and the limiting unit rotates and is positioned after passing through the one-way limiting mechanism. The conveying equipment is used for mounting the limiting unit and can be used for carrying the limiting unit to pass through the one-way limiting mechanism and then rotating and positioning; the one-way limiting mechanism comprises a fixed installation frame, a swing arm and a limiting dead gear are installed on the fixed installation frame, and the limiting dead gear is installed on the fixed installation frame, located on one side of the swing arm and used for limiting the swing arm to rotate towards the side. The conveying equipment carries the limiting unit to rotate, after the limiting unit passes through the one-way limiting mechanism on the processing station, the rotating limiting unit can only enable the swing arm to rotate to be in contact with the limiting dead gear and then stop, and due to the fact that the position of the limiting dead gear is determined, the stop position of the limiting unit can be accurately positioned. And effectively, the moving station is accurately positioned and stopped on the processing station.

Description

Technical Field

[0001] The utility model relates to the technical field of conveying, in particular to a positioning mechanism. Background Art

[0002] The positioning mechanism is a structure used by mechanical equipment. Generally speaking, different styles are designed according to different equipment and different working conditions. For example, when some conveying equipment is conveying items, the items need to be conveyed in one direction and be able to stop at a specific position. For example, in the automatic film changing system designed by our company, each spare film roll needs to be conveyed in one direction to a specific moving station in turn. In order to ensure the accurate positioning of each spare film roll after conveyance, we equip a positioning mechanism according to the conveying working condition. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a positioning mechanism, which has the advantages of ensuring unidirectional transportation of equipment and accurate positioning at the same time, and solves the problems in the background technology.

[0004] The positioning mechanism of the utility model comprises:

[0005] A limiting unit and a one-way limiting mechanism, wherein the limiting unit rotates and positions itself after passing through the one-way limiting mechanism;

[0006] It also includes a conveying device for installing the limiting unit, and the conveying device can be used to carry the limiting unit through the one-way limiting mechanism and then rotate and position it;

[0007] The one-way limiting mechanism comprises a fixed mounting frame, on which a swing arm and a limiting stopper are mounted, and the limiting stopper is mounted on the fixed mounting frame and is located on one side of the swing arm, and is used to limit the swing arm from rotating toward the side;

[0008] The limit unit moves from the side without the limit stop to the side of the swing arm with the limit stop, and the limit unit includes a movable mounting frame installed near the conveying equipment, and the movable mounting frame is provided with a toggle component for toggle the swing arm to rotate.

[0009] Furthermore, an in-place detection switch is installed on the fixed mounting frame, and a detection plate (6) for being detected by the in-place detection switch is fixedly connected to the movable mounting frame of the limit unit.

[0010] Furthermore, the top of the swing arm is arranged in an arc shape on a side away from the position limit stop;

[0011] When the toggle component moves to the position of the one-way limiting mechanism, it will contact the arc surface of the swing arm.

[0012] Furthermore, the conveying equipment is a circulating conveying equipment, and the conveying equipment is connected end to end.

[0013] Furthermore, the number of the limit units is adapted to the number of pauses of the conveying device in a single cycle;

[0014] Each pause in a single cycle of the conveying device corresponds to at least one limiting unit.

[0015] Furthermore, the conveying device is a rotating disc or ring, and a plurality of movable stations are arranged on the disc or ring, and a plurality of limiting units corresponding to the movable stations are installed one by one near the movable stations and rotate with the disc or ring.

[0016] Furthermore, a processing station is included, and the one-way limiting mechanism is installed on the processing station to enable the movable station to move to the processing station and then stop at a fixed position.

[0017] Furthermore, two one-way limit mechanisms are provided on the processing station, and the two one-way limit mechanisms correspond to the limit unit on the conveying equipment and the limit unit on another equipment respectively. The two one-way limit mechanisms are installed on the same frame, and the two one-way limit mechanisms are on the same axis of the disc or ring.

[0018] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0019] 1. The utility model makes the conveying device carry the limit unit to rotate. When the limit unit passes through the one-way limit mechanism on the processing station, the rotating limit unit can only make the swing arm rotate until it contacts the limit stop gear and then stops. Since the position of the limit stop gear is determined, the stop position of the limit unit can be accurately located, which effectively enables the mobile station to be accurately located and stopped on the processing station.

[0020] 2. In the utility model, while the conveying device is rotating, another device can also stop at the processing station under another one-way limit mechanism of the processing station. The positioning mechanism can not only be used for one-way positioning on a single device, but also for positioning and docking of two devices;

[0021] 3. The utility model can further ensure the accurate positioning of the limit unit and the one-way limit mechanism by setting the in-place detection switch and the detection plate (6), and can also record the number of times the mobile station arrives at the processing station according to the number of times the detection plate (6) passes the in-place detection switch, thereby further increasing the practicality of the device and enabling the device to also have the function of counting the objects conveyed on the conveying device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0024] Figure 2 It is a structural schematic diagram of the limit unit and the one-way limit mechanism of the utility model;

[0025] Figure 3 It is a side structural schematic diagram of the one-way limiting mechanism of the utility model.

[0026] In the figure: 1. Conveying equipment; 2. Moving workstation; 3. Limiting unit; 31. Movable mounting frame; 32. Toggle component; 4. One-way limiting mechanism; 41. Fixed mounting frame; 42. Swing arm; 43. Limiting dead gear; 5. In-place detection switch; 6. Detection board. DETAILED DESCRIPTION

[0027] The following will disclose multiple embodiments of the present invention with drawings. For the purpose of clear description, many physical details will be described together in the following description. However, it should be understood that these physical details should not be used to limit the present invention. In other words, in some embodiments of the present invention, these physical details are not necessary. In addition, in order to simplify the drawings, some conventional structures and components will be depicted in a simple schematic manner in the drawings.

[0028] In addition, in the present utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present utility model. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0029] Embodiment 1:

[0030] See also Figure 1 - Figure 3 The positioning mechanism of the utility model comprises:

[0031] The limiting unit 3 and the one-way limiting mechanism 4, the limiting unit 3 rotates and positions after passing through the one-way limiting mechanism 4;

[0032] It also includes a conveying device 1 for installing a limit unit 3. The conveying device 1 can be used to carry the limit unit 3 through a one-way limit mechanism 4 and then rotate and position. The conveying device 1 is a circulating conveying device 1, and the conveying device 1 is connected end to end; the number of limit units 3 is adapted to the number of pauses of the conveying device 1 in a single cycle; each pause in the middle of a single cycle of the conveying device 1 corresponds to at least one limit unit 3; the conveying device 1 is a rotating disc or ring, and a plurality of mobile stations 2 are arranged on the disc or ring, and a plurality of limit units 3 corresponding to the mobile stations 2 are installed one by one near the mobile stations 2 and rotate with the disc or ring.

[0033] A processing station is also included. A one-way limiting mechanism 4 is installed on the processing station and is used to make the movable station 2 move to the processing station and then stop at a position.

[0034] Two one-way limit mechanisms 4 are provided on the processing station, and the two one-way limit mechanisms 4 correspond to the limit unit 3 on the conveying equipment 1 and the limit unit 3 on another equipment respectively. The two one-way limit mechanisms 4 are installed on the same frame, and the two one-way limit mechanisms 4 are on the same axis of the disc or ring.

[0035] The one-way limiting mechanism 4 includes a fixed mounting frame 41, on which a swing arm 42 and a limiting stopper 43 are installed. The limiting stopper 43 is installed on the fixed mounting frame 41 and is located on one side of the swing arm 42, and is used to limit the swing arm 42 from rotating toward the side.

[0036] The limit unit 3 moves from the side where the limit stop 43 is not provided to the side where the swing arm 42 is provided with the limit stop 43, and the limit unit 3 includes a movable mounting frame 31 installed near the conveying device 1, and the movable mounting frame 31 is provided with a toggle component 32 for toggle the swing arm 42 to rotate;

[0037] When the toggle member 32 moves to the position of the one-way limiting mechanism 4, it will contact the arc surface of the swing arm 42;

[0038] Preferably, the shifting component 32 is a roller.

[0039] Due to working conditions, in this embodiment, each mobile station 2 needs to be rotated to the processing station individually;

[0040] In actual use, by making the disc or ring on the conveying device 1 carry the limit unit 3 to rotate, when the limit unit 3 passes through the one-way limit mechanism 4 on the processing station, the toggle component 32 in the limit unit 3 contacts the arc surface of the swing arm 42, so that the swing arm 42 can be toggled to rotate under the rotation of the limit unit 3 carried by the conveying device 1, and when the toggle component 32 passes the swing arm 42, the swing arm 42 will automatically rotate and make the disc or ring rotate at the same time, the rotating toggle component 32 will contact the other side of the swing arm 42, and the swing arm 42 will rotate in the opposite direction, because a limit stop 43 is provided on its reverse rotation path, so the rotating limit unit 3 can only make the swing arm 42 rotate until it contacts the limit stop 43 and then stops, because the position of the limit stop 43 is determined, that is, the stop position of the limit unit 3 can be accurately located, and the mobile station 2 is effectively accurately located and stopped at the processing station;

[0041] While the conveying device 1 is rotating, another device can also stop at the processing station under another one-way limiting mechanism 4 of the processing station. This positioning mechanism can not only be used for one-way positioning on a single device, but also for positioning and docking of two devices;

[0042] Furthermore, in this embodiment, an in-place detection switch 5 is installed on the fixed mounting frame 41, and a detection plate 6 for being detected by the in-place detection switch 5 is fixedly connected to the movable mounting frame 31 of the limit unit 3. By setting the in-place detection switch 5 and the detection plate 6, the positioning accuracy of the limit unit 3 and the one-way limit mechanism 4 can be further guaranteed, and the number of times the mobile station 2 arrives at the processing station can also be recorded according to the number of times the detection plate 6 passes the in-place detection switch 5, thereby further increasing the practicality of the equipment, so that the equipment also has the function of counting the objects transported on the conveying equipment 1.

[0043] The above is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the scope of the claims of the present invention.

Claims

1. A positioning mechanism, characterized in that: include: A limiting unit (3) and a one-way limiting mechanism (4), wherein the limiting unit (3) is rotated and positioned after passing through the one-way limiting mechanism (4); It also includes a conveying device (1) for installing the limiting unit (3), and the conveying device (1) can be used to carry the limiting unit (3) through the one-way limiting mechanism (4) and then rotate to position; The one-way limiting mechanism (4) comprises a fixed mounting frame (41), a swing arm (42) and a limiting stopper (43) are mounted on the fixed mounting frame (41), and the limiting stopper (43) is mounted on the fixed mounting frame (41) and is located on one side of the swing arm (42) and is used to limit the swing arm (42) from rotating toward the side; The limit unit (3) moves from a side where no limit stop (43) is provided to a side where the swing arm (42) is provided with a limit stop (43), and the limit unit (3) comprises a movable mounting frame (31) mounted near the conveying device (1), and a toggle component (32) for toggle the swing arm (42) to rotate is provided on the movable mounting frame (31).

2. A positioning mechanism according to claim 1, characterized in that: The fixed mounting frame (41) is provided with an in-place detection switch (5), and the movable mounting frame (31) of the limit unit (3) is fixedly connected with a detection plate (6) for being detected by the in-place detection switch (5).

3. A positioning mechanism according to claim 1, characterized in that: The top of the swing arm (42) is arranged in an arc shape on a side away from the position limiting stop (43); When the toggle component (32) moves to the position of the one-way limiting mechanism (4), it will contact the arc surface of the swing arm (42).

4. A positioning mechanism according to claim 1, characterized in that: The conveying device (1) is a circulating conveying device (1), and the conveying device (1) is connected end to end.

5. A positioning mechanism according to claim 4, characterized in that: The number of the limiting units (3) is adapted to the number of pauses of the conveying device (1) in a single cycle; Each pause in a single cycle of the conveying device (1) corresponds to at least one limiting unit (3).

6. A positioning mechanism according to claim 5, characterized in that: The conveying device (1) is a rotating disc or ring, on which a plurality of movable workstations (2) are arranged, and a plurality of position limiting units (3) corresponding to the movable workstations (2) are installed one by one near the movable workstations (2) and rotate with the disc or ring.

7. A positioning mechanism according to claim 6, characterized in that: It also includes a processing station, and the one-way limiting mechanism (4) is installed on the processing station and is used to make the movable station (2) move to the processing station and stop at a certain position.

8. A positioning mechanism according to claim 7, characterized in that: Two one-way limiting mechanisms (4) are provided on the processing station, and the two one-way limiting mechanisms (4) correspond to the limiting unit (3) on the conveying device (1) and the limiting unit (3) on another device respectively. The two one-way limiting mechanisms (4) are both installed on the same frame, and the two one-way limiting mechanisms (4) are both on the same axis of the disc or the ring.

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