Tray centering mechanism

Abstract

The utility model discloses a tray centering mechanism which comprises a mounting plate, a rotating plate is arranged in the middle of the bottom face of the mounting plate, the middle of the rotating plate is hinged to the mounting plate through a center rotating shaft, the two ends of the rotating plate are hinged to one end of a connecting rod through a first hinge shaft, and the other end of the connecting rod is hinged to the middle of a sliding plate in the length direction through a second hinge shaft. The length direction of the sliding plate extends out of the two sides of the width direction of the mounting plate, the top face of the sliding plate is slidably connected with the bottom face of the mounting plate through a sliding mechanism, a telescopic power mechanism is fixedly mounted on the bottom face of the mounting plate and connected with the sliding plate, and the surface of the mounting plate is used for bearing a to-be-positioned tray. The middle of the positioning angle plate is connected with the mounting seat through the angle plate rotating seat, two guide rollers are arranged on the positioning angle plate and located on the two sides of the corner of the tray to be positioned respectively, and the technical problems that in the prior art, a positioning mechanism is complex in structure, and power is not synchronous and the positioning effect is poor due to multiple power sources are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of machinery, and in particular relates to a tray centering mechanism. Background Art

[0002] Some workstations of pallet conveying equipment need to position the pallet to facilitate the operation of the current workstation. If the existing equipment needs to achieve pallet centering, it generally requires clamping actions in four directions at the same time. At least two power sources need to be set up, and things need to be transmitted to four directions through transmission equipment, which makes the transmission structure complicated. In addition, the power of each power source is not synchronized and coordinated, resulting in poor centering effect. Utility Model Content

[0003] The utility model aims to provide a pallet centering mechanism to solve the technical problems in the prior art that the positioning mechanism has a complex structure, multiple power sources lead to power asynchrony, and the positioning effect is poor.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] The cam is connected to the sliding plate by a first pivot place and the second pivot places are connected to the sliding plate by a second pivot place, and the cam is connected to the sliding plate by a second pivot place.

[0006] The utility model provides a pallet centering mechanism, wherein return springs are arranged at corresponding positions of the guide rollers on both sides of the pallet to be positioned in the length direction, one end of the return spring is connected to the mounting seat, and the other end of the return spring is connected to the bottom of the positioning angle plate.

[0007] The utility model provides a tray centering mechanism, wherein the sliding mechanism is the cooperation of a linear guide rail and a sliding block.

[0008] The utility model provides a pallet centering mechanism, wherein the telescopic power mechanism is a cylinder.

[0009] The utility model provides a tray centering mechanism, wherein both the first hinge shaft and the second hinge shaft are provided with joint bearings.

[0010] The utility model provides a pallet centering mechanism, wherein the number of the telescopic power mechanism is one.

[0011] The beneficial effects of the utility model are as follows: a pallet centering mechanism is proposed, by arranging a rotating plate in the center of the mounting plate, and symmetrically arranging connecting rods on both sides of the rotating plate, so as to synchronously push the sliding plates on both sides to achieve power balance and symmetry on both sides; by arranging a power device on the sliding plate on one side, it is possible to achieve simultaneous movement of the sliding plates on both sides toward or away from each other with only one power source; by arranging guide rollers on the fixed door angle plates, the pallet can be centered during the movement; and by arranging a reset spring, the rollers can be automatically reset after the positioning is completed, so as to facilitate the next centering and centering action. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The present invention will be further described below with reference to the accompanying drawings and embodiments, in which:

[0013] Figure 1 It is a schematic diagram of an embodiment of the utility model;

[0014] Figure 2 It is a bottom schematic diagram of an embodiment of the utility model. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0016] like Figure 1-2As shown, a tray centering mechanism comprises: a mounting plate 8, a rotating plate 1 is provided in the middle of the bottom surface of the mounting plate 8, the middle of the rotating plate 1 is hinged to the mounting plate 8 through a central rotating shaft 2, both ends of the rotating plate 1 are hinged to one end of a connecting rod 4 through a first hinge shaft 3, the other end of the connecting rod 4 is hinged to the middle of the length direction of a sliding plate 6 through a second hinge shaft 5, the length direction of the sliding plate 6 extends out of both sides of the width direction of the mounting plate 8, the top surface of the sliding plate 6 is slidably connected to the bottom surface of the mounting plate 8 through a sliding mechanism 7, and the bottom of the mounting plate 8 A telescopic power mechanism 9 is fixedly installed on the surface, and the output end of the telescopic power mechanism 9 is connected to one of the sliding plates 6. The surface of the mounting plate 8 is used to carry the pallet 14 to be positioned. The pallet 14 to be positioned has positioning angle plates 10 at the four corners. The positioning angle plates 10 are connected to the sliding plate 6 through a mounting seat. The middle part of the positioning angle plates 10 is connected to the mounting seat through an angle plate rotating seat 11. Two guide rollers 12 are arranged on the positioning angle plates 10, and the two guide rollers 12 are respectively located on both sides of the corners of the pallet 14 to be positioned.

[0017] In a preferred embodiment of the utility model, a return spring 13 is provided at the corresponding position of the guide rollers 12 on both sides of the length direction of the positioning tray 14, one end of the return spring 13 is connected to the mounting seat, and the other end of the return spring 13 is connected to the bottom of the positioning angle plate 10.

[0018] In a preferred embodiment of the present invention, the sliding mechanism 7 is a combination of a linear guide rail and a slider.

[0019] In a preferred embodiment of the present utility model, the telescopic power mechanism 9 is a cylinder.

[0020] In a preferred embodiment of the present invention, both the first hinge shaft 3 and the second hinge shaft 5 are provided with spherical bearings.

[0021] In a preferred embodiment of the present invention, the number of the telescopic power mechanism 9 is one.

[0022] Brief description of working principle:

[0023] When the pallet is transported on the conveyor line, some stations need to accurately position the pallet to facilitate the automated operation of other equipment. Before the pallet enters the centering mechanism, the telescopic power mechanism 9 is in an extended state, and the sliding plate 6 is in an open state, which is convenient for the pallet 14 to be positioned to enter. After the pallet 14 to be positioned enters, the telescopic power mechanism 9 retracts, the sliding plate 6 is clamped, and the guide rollers 12 clamp the four corners of the pallet 14 to be positioned, so as to realize the centering action of the pallet 14 to be positioned.

[0024] In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. In addition, in the description of the present utility model, unless otherwise specified, "plurality" means two or more.

[0026] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the claims attached to the utility model.

Claims

1. A pallet centering mechanism, characterized in that: include: The mounting plate (8) has a rotating plate (1) in the middle of the bottom surface of the mounting plate (8), the middle of the rotating plate (1) is hinged to the mounting plate (8) through a central rotating shaft (2), both ends of the rotating plate (1) are hinged to one end of a connecting rod (4) through a first hinge shaft (3), the other end of the connecting rod (4) is hinged to the middle of the length direction of the sliding plate (6) through a second hinge shaft (5), the length direction of the sliding plate (6) extends to both sides of the width direction of the mounting plate (8), the top surface of the sliding plate (6) is slidably connected to the bottom surface of the mounting plate (8) through a sliding mechanism (7), and the bottom surface of the mounting plate (8) is fixedly mounted A telescopic power mechanism (9) is provided, wherein the output end of the telescopic power mechanism (9) is connected to one of the sliding plates (6); the surface of the mounting plate (8) is used to carry a tray to be positioned (14); the tray to be positioned (14) has positioning angle plates (10) at four corners; the positioning angle plates (10) are connected to the sliding plates (6) via a mounting seat; the middle of the positioning angle plates (10) is connected to the mounting seat via an angle plate rotating seat (11); two guide rollers (12) are provided on the positioning angle plates (10); the two guide rollers (12) are respectively located on both sides of the corners of the tray to be positioned (14).

2. A pallet centering mechanism according to claim 1, characterized in that: Reset springs (13) are provided at positions corresponding to the guide rollers (12) on both sides of the to-be-positioned tray (14) in the length direction, one end of the reset spring (13) is connected to the mounting seat, and the other end of the reset spring (13) is connected to the bottom of the positioning angle plate (10).

3. A pallet centering mechanism according to claim 2, characterized in that: The sliding mechanism (7) is a combination of a linear guide rail and a sliding block.

4. A pallet centering mechanism according to claim 1, characterized in that: The telescopic power mechanism (9) is a cylinder.

5. A pallet centering mechanism according to claim 1, characterized in that: Both the first hinge shaft (3) and the second hinge shaft (5) are provided with joint bearings.

6. A pallet centering mechanism according to claim 1, characterized in that: The number of the telescopic power mechanism (9) is one.

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