Paper cup rim hemming device

Abstract

The invention provides a paper cup rim hemming device which comprises a hemming structure, the hemming structure comprises a supporting frame and a movable plate, one end of the movable plate is provided with a bent plate, the bent plate is arranged to be in an arc shape, the bent plate is aligned to an attaching ring, and the radian of the bent plate is larger than that of the attaching ring. The device is reasonable in design, the fitting ring and the bending plate are matched with each other, the bending plate moves towards the mounting plate, the outer wall of paper of the paper cup makes contact with the bending plate and is bent into an arc shape in the direction of the bending plate, then the arc-shaped paper makes contact with the arc shape of the fitting ring, one end of the paper is hemmed, and the paper cup is more convenient to use. And then the glue is smeared on the outer wall of the paper through the discharging pipe so as to be used for fixing the hemmed paper.

Description

Technical Field

[0001] The invention mainly relates to the field of paper cup production, and in particular to a paper cup mouth curling device. Background Art

[0002] Disposable paper cups are made by mechanically processing and gluing base paper (white paperboard) made from chemical wood pulp. They are cup-shaped. Paper cups for frozen foods are coated with wax and can hold ice cream, jam, butter, etc. Paper cups for hot drinks are coated with plastic and can withstand temperatures above 90°C and can even hold boiling water. Paper cups are safe, hygienic, light and convenient. They can be used in public places, hotels and restaurants and are disposable items. The paper of the paper cup wall needs to be curled at one end before being bent to increase the strength of the paper after it is rolled up.

[0003] The inventor discovered the following defects during the operation of the specific embodiment: However, during the curling process, since the paper is arranged in a fan shape, the curling device cannot evenly apply force to the paper when the paper is curled, so that creases appear on the paper after curling.

[0004] It should be noted that the above contents belong to the technical cognition scope of the inventor. Since the technical contents in this field are vast and too complicated, the above contents of this application do not necessarily constitute prior art. Summary of the invention

[0005] 1. Technical problem to be solved by the invention: The present invention provides a paper cup edge curling device, which is used to solve the technical problems existing in the above-mentioned background technology.

[0006] 2. Technical solution: To achieve the above-mentioned purpose, the technical solution provided by the present invention is: a paper cup edge curling device, comprising a cup paper fixing structure, the outer wall of which is provided with a curling structure; A cup paper fixing structure, comprising a mounting plate and a fitting ring, wherein the number of the fitting rings is set to be multiple, and the multiple fitting rings are arranged in an annular array on the outer wall of the mounting plate, and the fitting rings are set to be in an arc shape; The curling structure comprises a support frame and a movable plate, wherein a bending plate is arranged at one end of the movable plate, the bending plate is arranged in an arc shape, the bending plate is aligned with the fitting ring, and the curvature of the bending plate is greater than the curvature of the fitting ring.

[0007] Furthermore, a support bar is provided on the outer wall of the mounting plate, a connecting plate is provided at the bottom of the support bar, and a spring telescopic tube is provided at the bottom of the connecting plate.

[0008] Furthermore, one end of the spring telescopic tube is connected to a fitting ring, a discharge tube is provided in the middle of the fitting ring, and a guide ring is provided at the other end of the spring telescopic tube, and the discharge tube is connected to the guide ring.

[0009] Furthermore, the number of the spring expansion tubes is set to be multiple, and the multiple spring expansion tubes are arranged in a circular array at the bottom of the mounting plate.

[0010] Furthermore, the support frame is arranged at the bottom of the mounting plate, an electric telescopic rod is arranged on the outer wall of the support frame, a connecting shaft is arranged at the output end of the electric telescopic rod, and an auxiliary plate is arranged at one end of the connecting shaft.

[0011] Furthermore, the auxiliary plate is connected to the movable plate, the number of the electric telescopic rods is set to be multiple, and the multiple electric telescopic rods are arranged in a circular needle array on the outer wall of the support frame.

[0012] 3. Beneficial effects: Compared with the prior art, the technical solution provided by the present invention has the following beneficial effects: The present invention cooperates with the provided laminating ring and the bending plate, and the bending plate moves toward the direction of the mounting plate, so that the outer wall of the paper of the paper cup contacts with the bending plate and is bent into an arc along the direction of the bending plate, and then the arc-shaped paper contacts with the arc of the laminating ring, so that one end of the paper is curled, and then glue is applied to the outer wall of the paper through the discharge pipe to fix the curled paper; The glue enters the inside of the guide ring, and then enters the inside of the discharge pipe through the guide ring, so that the multiple fitting rings can evenly bend the paper of the paper cup and apply glue to different positions of the paper of the paper cup at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of a three-dimensional cross-sectional structure of the present invention; Figure 3 It is a schematic diagram of the three-dimensional structure of the cup paper fixing structure of the present invention; Figure 4 It is a schematic diagram of the three-dimensional structure of the curling structure of the present invention.

[0014] Reference numerals: 1. Cup paper fixing structure; 101. Mounting plate; 102. Support bar; 103. Connecting plate; 104. Spring telescopic tube; 105. Fitting ring; 106. Discharging tube; 107. Guide ring; 2. Curling structure; 201. Support frame; 202. Electric telescopic rod; 203. Connecting shaft; 204. Auxiliary plate; 205. Moving plate; 206. Bending plate. DETAILED DESCRIPTION

[0015] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are shown in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0016] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "page", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating orientations or positional relationships are based on the orientations 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 referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0017] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0018] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed", "provided with", "provided on" and the like 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 an indirect connection 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 invention can be understood according to specific circumstances. Example

[0019] Refer to the attached Figure 1-4 , a paper cup edge curling device, comprising a cup paper fixing structure 1, and an outer wall of the cup paper fixing structure 1 is provided with a curling structure 2; The cup paper fixing structure 1 comprises a mounting plate 101 and a fitting ring 105, wherein the number of the fitting rings 105 is set to be multiple, and the multiple fitting rings 105 are arranged in an annular array on the outer wall of the mounting plate 101, and the fitting rings 105 are set to be arc-shaped; The curling structure 2 includes a support frame 201 and a movable plate 205 , wherein a bending plate 206 is provided at one end of the movable plate 205 , wherein the bending plate 206 is arranged in an arc shape, and the bending plate 206 is aligned with the fitting ring 105 , and the curvature of the bending plate 206 is greater than the curvature of the fitting ring 105 .

[0020] Furthermore, a support bar 102 is provided on the outer wall of the mounting plate 101, a connecting plate 103 is provided at the bottom of the support bar 102, a spring telescopic tube 104 is provided at the bottom of the connecting plate 103, one end of the spring telescopic tube 104 is connected to a fitting ring 105, a discharge pipe 106 is provided in the middle of the fitting ring 105, a guide ring 107 is provided at the other end of the spring telescopic tube 104, the discharge pipe 106 is connected to the guide ring 107, the number of the spring telescopic tubes 104 is set to be multiple, and the multiple spring telescopic tubes 104 are arranged in a ring array at the bottom of the mounting plate 101. When it is necessary to curl the curved paper of the paper cup, the paper is placed in the groove between the two support bars 102, and then the bottom of the paper is fitted with the top of the fitting ring 105, so as to fix the paper of the paper cup and avoid the movement of the paper of the paper cup when curling the paper.

[0021] Furthermore, the support frame 201 is arranged at the bottom of the mounting plate 101, and the outer wall of the support frame 201 is provided with an electric telescopic rod 202, and the output end of the electric telescopic rod 202 is provided with a connecting shaft 203, and one end of the connecting shaft 203 is provided with an auxiliary plate 204, and the auxiliary plate 204 is connected to the moving plate 205. The number of the electric telescopic rods 202 is set to be multiple, and the multiple electric telescopic rods 202 are arranged in a circular needle array on the outer wall of the support frame 201. When the paper of the paper cup is fixed, the electric telescopic rod 202 is started, and the electric telescopic rod 202 drives the connecting shaft 203 to move inward. , the connecting shaft 203 drives the movable plate 205 to move inward, and the movable plate 205 squeezes one end of the paper, so that the paper is bent along the inner wall of the bending plate 206, and then one end of the paper contacts the bonding ring 105 and makes the paper slide on the inner wall of the bonding ring 105 and completes the curling, and then the glue is sent into the inside of the guide ring 107 through the pump body, and the guide ring 107 is connected to the discharge pipe 106, so that the glue passes through the discharge pipe 106 and adheres to the outer wall of the curled edge of the paper, and then the valve inside the discharge pipe 106 is closed to continue to curl the paper, so that the curled edge of the paper is connected to the paper after the curling.

[0022] The above-described embodiments only express a certain implementation mode of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the patent scope of the present invention. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be based on the attached claims.

Claims

1. A paper cup edge curling device, characterized in that: include A cup paper fixing structure (1), wherein the outer wall of the cup paper fixing structure (1) is provided with a curling structure (2); A cup paper fixing structure (1), comprising a mounting plate (101) and a fitting ring (105), wherein the number of the fitting rings (105) is set to be multiple, the multiple fitting rings (105) are arranged in a circular array on the outer wall of the mounting plate (101), and the fitting rings (105) are set to be in an arc shape; A curling structure (2) comprises a support frame (201) and a movable plate (205), wherein a bending plate (206) is provided at one end of the movable plate (205), wherein the bending plate (206) is arranged in an arc shape, wherein the bending plate (206) is aligned with the fitting ring (105), and wherein the curvature of the bending plate (206) is greater than the curvature of the fitting ring (105).

2. A paper cup edge curling device according to claim 1, characterized in that: The outer wall of the mounting plate (101) is provided with a support bar (102), the bottom of the support bar (102) is provided with a connecting plate (103), and the bottom of the connecting plate (103) is provided with a spring telescopic tube (104).

3. A paper cup edge curling device according to claim 2, characterized in that: One end of the spring telescopic tube (104) is connected to a fitting ring (105), a discharge tube (106) is provided in the middle of the fitting ring (105), and a guide ring (107) is provided at the other end of the spring telescopic tube (104), and the discharge tube (106) is connected to the guide ring (107).

4. A paper cup edge curling device according to claim 1, characterized in that: The number of the spring telescopic tubes (104) is set to be multiple, and the multiple spring telescopic tubes (104) are arranged in a circular array at the bottom of the mounting plate (101).

5. The paper cup edge curling device according to claim 1, characterized in that: The support frame (201) is arranged at the bottom of the mounting plate (101), an electric telescopic rod (202) is arranged on the outer wall of the support frame (201), a connecting shaft (203) is arranged at the output end of the electric telescopic rod (202), and an auxiliary plate (204) is arranged at one end of the connecting shaft (203).

6. A paper cup edge curling device according to claim 5, characterized in that: The auxiliary plate (204) is connected to the movable plate (205), the number of the electric telescopic rods (202) is set to be multiple, and the multiple electric telescopic rods (202) are arranged in a circular array on the outer wall of the support frame (201).

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