Mechanical grabber for paper tube

Abstract

The utility model relates to the field of chemical fibre processing technology, concretely is a kind of chemical fibre paper tube mechanical gripper, including mounting seat, electromagnet, movable swing page and magnet strip, electronic commutator is provided in mounting seat, electromagnet is vertically arranged on mounting seat, electromagnet axis coincides with mounting seat axis, electronic commutator is electrically connected with electromagnet, each movable swing page is sequentially head-to-tail hinged, movable swing page at one end is fixed with mounting seat, magnet strip is installed on movable swing page, magnet strip can be mutually attracted / repel with electrified electromagnet.The utility model utilizes the movable swing page of surface state and resists paper tube inside to realize the action of grabbing, compared with the common point type contact gripper, the contact area is larger, not easy to slide, can guarantee paper tube grabbing effect, at the same time, can avoid that paper tube inside is damaged and deformed due to excessive force concentration, and simple structure is convenient for maintenance, has practical significance and popularization value, can produce good economic benefits.

Description

Technical Field

[0001] This utility model relates to the field of chemical fiber processing equipment technology, and in particular to a mechanical gripper for chemical fiber paper tubes. Background Technology

[0002] In the production of synthetic fibers (such as polyester, nylon, polypropylene, viscose, etc., filaments or staple fibers), paper tubes play a crucial role. As the core load-bearing component in the winding process, its main function is to act as a bobbin or mandrel to support and wind the continuously produced synthetic fiber bundles (filaments) or fibers (staple fibers), ensuring that the wound yarn cake or package maintains a stable cylindrical structure during subsequent handling, storage, transportation, and unwinding, preventing edge collapse, deformation, or loosening.

[0003] In the production process, mechanical grippers are usually used to transfer paper tubes. Most existing grippers use movable clamps to hold the paper tube against the inner wall to achieve the gripping action. Since the paper tube is heavily wound and the clamps are in point contact with the inner wall of the paper tube, the clamps of the gripper are prone to leaving dents on the inner wall of the paper tube, causing local deformation of the paper tube, affecting the life of the paper tube and the normal winding of the filament bundle. Utility Model Content

[0004] To address the aforementioned technical shortcomings, this invention provides a mechanical gripper for chemical fiber paper tubes. It can stably grip the paper tubes, has a large contact area with the paper tubes, is less likely to damage the paper tubes, and extends their service life.

[0005] This utility model discloses a mechanical gripper for chemical fiber paper tubes, characterized in that it includes:

[0006] Mounting base, with an electronic commutator installed inside;

[0007] An electromagnet is vertically mounted on a mounting base, with the axis of the electromagnet coinciding with the axis of the mounting base, and the electronic commutator is electrically connected to the electromagnet.

[0008] The movable hinges are in at least three groups, with several movable hinges in each group connected end to end in a sequential manner. The movable hinge at one end of each group is fixed to the mounting base. The movable hinges fixed to the mounting base are circumferentially distributed on the mounting base, and the movable hinges can swing on the top surface of the mounting base.

[0009] A magnetic strip is mounted on a movable swing plate, and the magnetic strip can attract or repel an energized electromagnet.

[0010] In order to ensure that the movable page can act evenly on the inside of the paper tube, the magnetic strip is set at the same height as the movable page along the height direction. This setting is intended to ensure that the attractive / repulsive forces between the electromagnet and the magnetic strip can act evenly on the movable page.

[0011] To improve the stability of the gripper during the paper tube clamping process, this solution also includes a stabilizing device, which includes a lower plate, an upper plate, and an annular air cushion.

[0012] The lower plate is fixed to the top of the electromagnet;

[0013] The upper plate is located above the lower plate, and a rod is formed at the bottom of the upper plate that penetrates the lower plate. The rod and the lower plate form a sliding pair along the height direction of the electromagnet. The upper plate is magnetic. When the electromagnet and the magnetic strip attract each other, the upper plate and the electromagnet move away from each other. When the electromagnet and the magnetic strip repel each other, the upper plate and the electromagnet attract each other.

[0014] The annular air cushion is fitted onto the rod body and is located between the upper plate and the lower plate.

[0015] To improve the anti-slip properties between the movable flap and the inside of the paper tube, and to enhance the flap's gripping effect on the paper tube, this solution also includes a rubber cushioning pad. This rubber cushioning pad is located on the outside of the movable flap and connected to it. The rubber cushioning pad refers to a pad-shaped component made of rubber that provides a cushioning effect. The specific type of rubber material used is not the technical content to be protected by the applicant, nor is it a necessary technical feature; therefore, it will not be further explained.

[0016] The mechanical gripper for chemical fiber paper tubes obtained by this utility model uses a planar movable flap to abut against the inner side of the paper tube to achieve the gripping action. Compared with common point contact grippers, it has a larger contact area and is less prone to slippage. It can not only ensure the gripping effect of the paper tube, but also avoid excessive force concentration that could damage or deform the inner side of the paper tube. Moreover, the structure is simple and easy to maintain. It has practical significance and promotion value, and is expected to generate good economic benefits. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of Embodiment 1 of the present invention;

[0018] Figure 2 This is a three-dimensional structural diagram of Embodiment 2 of the present invention. Detailed Implementation

[0019] To further illustrate the technical means and effects adopted by this utility model in order to achieve the intended utility model purpose, the following detailed description of the specific implementation methods, structure, features and effects of this utility model is provided in conjunction with the accompanying drawings and preferred embodiments.

[0020] Example 1:

[0021] like Figure 1As shown, this utility model discloses a mechanical gripper for chemical fiber paper tubes, including a mounting base 1, an electromagnet 2, a movable swing blade 3, and a magnetic strip 4. An electronic commutator is provided in the mounting base 1. The electronic commutator refers to a component in the prior art that can change the direction of current. Since it belongs to the prior art, its specific structure and working principle will not be further explained.

[0022] The electromagnet 2 is vertically mounted on the mounting base 1, with its axis coinciding with the axis of the mounting base 1. The electronic commutator is electrically connected to the electromagnet 2. An external power supply is connected to the electromagnet 2 via the electronic commutator, allowing control of the current direction in the electromagnet 2 as needed, thereby changing the direction of its magnetic poles.

[0023] The movable swing blade 3 is divided into three groups. Each group consists of multiple movable swing blades 3 connected end to end in a sequential manner. The movable swing blade 3 at one end of each group is fixed to the mounting base 1. The movable swing blade 3 can swing on the top surface of the mounting base 1. It also includes a rubber buffer pad 301, which is located on the outside of the movable swing blade 3 and connected to the movable swing blade 3.

[0024] The magnet strip 4 is installed on the movable swing page 3. The magnet strip 4 can attract / repel the energized electromagnet 2. The magnet strip 4 is set at the same height as the movable swing page 3 along the height direction.

[0025] Example 2:

[0026] like Figure 2 As shown, this utility model discloses a mechanical gripper for chemical fiber paper tubes, including a mounting base 1, an electromagnet 2, a movable swing blade 3, a magnetic strip 4, and a stabilizing device 5. An electronic commutator is provided in the mounting base 1. The electronic commutator refers to a component in the prior art that can change the direction of current. Since it belongs to the prior art, its specific structure and working principle will not be further explained.

[0027] The electromagnet 2 is vertically mounted on the mounting base 1, with the axis of the electromagnet 2 coinciding with the axis of the mounting base 1, and the electronic commutator is electrically connected to the electromagnet 2.

[0028] The movable swing blade 3 is divided into three groups. Each group consists of multiple movable swing blades 3 connected end to end in a sequential manner. The movable swing blade 3 at one end of each group is fixed to the mounting base 1. The movable swing blade 3 can swing on the top surface of the mounting base 1. It also includes a rubber buffer pad 301, which is located on the outside of the movable swing blade 3 and connected to the movable swing blade 3.

[0029] The magnet strip 4 is installed on the movable swing page 3. The magnet strip 4 can attract / repel the energized electromagnet 2. The magnet strip 4 is set at the same height as the movable swing page 3 along the height direction.

[0030] It also includes a stabilizing device 5, which includes a lower plate 501, an upper plate 502, and an annular air cushion 503. The lower plate 501 is fixed to the top of the electromagnet 2. The upper plate 502 is located above the lower plate 501. A rod 504 is formed at the bottom of the upper plate 502, penetrating the lower plate 501. The rod 504 and the lower plate 501 form a sliding pair along the height direction of the electromagnet 2. The upper plate 502 is magnetic. When the electromagnet 2 and the magnetic strip 4 attract each other, the upper plate 502 and the electromagnet 2 move away from each other. When the electromagnet 2 and the magnetic strip 4 repel each other, the upper plate 502 and the electromagnet 2 attract each other. The annular air cushion 503 is sleeved on the rod 504 and is located between the upper plate 502 and the lower plate 501.

[0031] The rod 504 and the lower plate 501 form a sliding pair, meaning that there is a through hole at the center of the lower plate 501, the rod 504 is inserted into the through hole and the two are slidably connected, but the two will not fall off.

[0032] When the annular air cushion 503 is not subjected to external force, its outer diameter is slightly smaller than that of the upper plate 502 and the lower plate 501. However, when it is compressed by the upper plate 502 and the lower plate 501, its outer diameter is larger than that of the lower plate 501 and the upper plate 502. The outer diameter of the upper plate 502 and the lower plate 501 is slightly smaller than that of the paper tube. Therefore, the outer diameter of the compressed annular air cushion 503 can be larger than that of the paper tube.

[0033] The control method of this utility model is to achieve automatic control through an external controller. The control circuit of the controller can be implemented by simple programming by those skilled in the art. The power supply is also common knowledge in the field. Since this utility model is mainly used to protect mechanical devices, the control method and circuit connection will not be explained in detail.

[0034] Working principle: For Embodiments 1 and 2, the mounting base 1 is connected to the robotic arm. The robotic arm moves to the inside of the paper tube and then the electromagnet 2 is activated. Since the electromagnet 2 and the magnetic strip 4 repel each other, the movable swing 3 will swing outward to press against the inside of the paper tube, thereby fixing the paper tube and realizing the action of grasping the paper tube. Then, the direction of the current is changed by the electronic commutator, thereby changing the magnetic pole of the electromagnet 2. At this time, the electromagnet 2 and the magnetic strip 4 attract each other, and the movable swing 3 will move towards the electromagnet 2 and no longer press against the inside of the paper tube, thus realizing the action of releasing the paper tube.

[0035] In embodiment 2, when the paper tube is released, the upper plate 502 and the electromagnet 2 move away from each other, and the annular air cushion 503 does not act on the inner wall of the paper tube. When the paper tube is gripped, the upper plate 502 and the electromagnet 2 attract each other. At this time, the annular air cushion 503 will be deformed and tightly pressed against the inner wall of the paper tube by the pressure of the upper plate 502 and the lower plate 501, which can prevent the paper tube from shaking during the gripping process.

[0036] In the description of this application, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0037] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the interaction relationship between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0038] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature being directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0039] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simplification, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A mechanical gripper for chemical fiber paper tubes, characterized in that, include: Mounting base (1), an electronic commutator is provided inside the mounting base (1); Electromagnet (2), the electromagnet (2) is vertically mounted on the mounting base (1), the axis of the electromagnet (2) coincides with the axis of the mounting base (1), and the electronic commutator is electrically connected to the electromagnet (2); The number of movable flaps (3) is at least three groups, and several movable flaps (3) in each group are connected end to end in a hinged manner. The movable flap (3) at one end of each group is fixed to the mounting base (1). The movable flaps (3) fixed to the mounting base (1) are circumferentially distributed on the mounting base (1). The movable flaps (3) can swing on the top surface of the mounting base (1). A magnet strip (4) is mounted on a movable swing blade (3). The magnet strip (4) can attract or repel an energized electromagnet (2).

2. The mechanical gripper for chemical fiber paper tubes according to claim 1, characterized in that: The magnet strip (4) is arranged along the height direction of the movable swing page (3) and is at the same height as the movable swing page (3).

3. A mechanical gripper for chemical fiber paper tubes according to any one of claims 1-2, characterized in that: It also includes a stabilizing device (5), which includes a lower plate (501), an upper plate (502) and an annular air cushion (503); The lower plate (501) is fixed to the top of the electromagnet (2); The upper plate (502) is located above the lower plate (501). A rod (504) is formed at the bottom of the upper plate (502) that penetrates the lower plate (501). The rod (504) and the lower plate (501) form a sliding pair along the height direction of the electromagnet (2). The upper plate (502) is magnetic. When the electromagnet (2) and the magnet strip (4) attract each other, the upper plate (502) and the electromagnet (2) move away from each other. When the electromagnet (2) and the magnet strip (4) repel each other, the upper plate (502) and the electromagnet (2) attract each other. The annular air cushion (503) is sleeved on the rod (504) and is located between the upper plate (502) and the lower plate (501).

4. A mechanical gripper for chemical fiber paper tubes according to any one of claims 1-2, characterized in that: It also includes a rubber cushioning pad (301), which is located outside the movable swing leaf (3) and connected to the movable swing leaf (3).

Images