A curling mechanism and paper cup production equipment

Abstract

The present application relates to a curling mechanism and a paper cup production device. The paper cup production device includes a frame and a curling mechanism installed on the frame. The curling mechanism includes a base plate, a curling assembly, a rotating shaft, a pair of transmission members and a first driving member. The curling assembly is located below the base plate and fixedly connected to the base plate. The rotating shaft is located above the base plate. The rotating shaft has a pair of driving ends arranged coaxially and deviating from the rotation axis of the rotating shaft. The transmission member has a first connecting end rotatably connected to the driving end and a second connecting end rotatably connected to the base plate. The first driving member is drivingly connected to the rotating shaft so that the transmission member drives the base plate and the curling assembly to reciprocate vertically. The curling mechanism provided by the present application eliminates the use of a synchronous plate. At the same time, since the first driving member is installed above the synchronous plate, the length of the transmission member is also shortened, further reducing the load rate of the first driving member, thereby being able to increase the operating speed of the curling mechanism, which is beneficial to improving the production efficiency of the paper cup production equipment.

Description

Technical Field

[0001] The utility model relates to the technical field of paper cup curling, in particular to a curling mechanism and paper cup production equipment. Background Art

[0002] The edge of paper cups needs to be rolled during production. Paper cups usually need to go through three stations in sequence: oiling, initial rolling and final rolling. In order to achieve process production, the oiling device, initial rolling device and final rolling device corresponding to these three stations need to move at the same time to ensure that the edge of the paper cup maintains a fixed time interval for heating and softening and a fixed time interval for cooling and shaping during the two rolling processes.

[0003] In the prior art, the above three basic components are installed on the same base plate and driven by a cam. Due to its large size, the cam is often arranged at the bottom of the entire paper cup production equipment. Considering the limited space at the bottom of the equipment, only one cam can be configured; in addition, since these three components need to be arranged above the semi-finished paper cups, the actual installation position of the base plate is relatively high, so it is also necessary to be equipped with multiple sliding rods and connecting seats. In order to maintain the consistency of the sliding of the multiple sliding rods, it is also necessary to be equipped with a synchronization plate for connecting the multiple sliding rods and connecting the synchronization plate with the cam transmission. In actual use, the overall inertia of the structure formed by the synchronization plate, the sliding rod, the base plate, the cam and the above three basic components is large, which makes the load rate of the drive motor used for the curling mechanism large and difficult to speed up. Utility Model Content

[0004] In view of the fact that the driving motor load rate of the curling mechanism in the existing paper cup production equipment is relatively large, resulting in low paper cup production efficiency, it is necessary to provide a curling mechanism and a paper cup production equipment.

[0005] A crimping mechanism, comprising:

[0006] substrate;

[0007] A curling assembly, the curling assembly is located below the base plate and fixedly connected to the base plate;

[0008] A rotating shaft, the rotating shaft is located above the base plate, the rotating shaft having a pair of driving ends coaxially arranged and offset from the rotation axis of the rotating shaft;

[0009] a pair of transmission members, each of which has a first connection end rotatably connected to the driving end and a second connection end rotatably connected to the base plate; and

[0010] A first driving member is drivingly connected to the rotating shaft so that the transmission member drives the base plate and the curling assembly to reciprocate vertically.

[0011] With such a configuration, compared with the traditional technology that uses a cam and a synchronous plate to realize the oiling device, the initial rolling device and the final rolling device, the curling mechanism provided by the present application eliminates the use of a synchronous plate. At the same time, since the first driving member is installed above the synchronous plate, the length of the transmission member is also shortened, further reducing the load rate of the first driving member and improving the power upper limit of the first driving member, thereby increasing the operating speed of the curling mechanism, which is beneficial to improving the production efficiency of the paper cup production equipment.

[0012] In one embodiment, the rotating shaft includes an axis body, a driving wheel detachably connected to both ends of the axis body, and a connecting rod extending axially from a side of the driving wheel deviating from the rotation axis, and the first connecting end is rotatably connected to the connecting rod.

[0013] With this arrangement, since the driving wheel is detachable, it is convenient for maintenance and replacement, and can also adapt to the curling requirements of paper cups of different heights, expanding the applicable scenarios of the curling mechanism.

[0014] In one embodiment, the transmission member includes a crank having a mounting hole and a bearing fixed to the mounting hole, and an inner ring of the bearing is fixedly connected to the connecting rod.

[0015] With such an arrangement, the transmission member and the rotating shaft rotate smoothly relative to each other, which is beneficial to improving the smoothness of the operation of the crimping mechanism and reducing the risk of the transmission member getting stuck.

[0016] In one embodiment, the base plate includes a plate body and a pair of connection seats spaced apart from the plate body, and the second connection end is rotatably connected to the connection seats.

[0017] With such arrangement, the curling assembly will not rotate horizontally, so that the moving path of the curling assembly is more stable.

[0018] In one embodiment, the first driving member includes a first servo motor, a driving wheel fixedly connected to the servo motor, a driven wheel fixedly connected to the rotating shaft, and a first synchronous belt sleeved on the driving wheel and the driven wheel.

[0019] Such an arrangement facilitates the arrangement of the first servo motor, and the installation position of the first servo motor is more flexible.

[0020] In one embodiment, the curling assembly includes an oiling device installed on the base plate, an initial curling device and a final curling device located between the two transmission members and arranged at intervals along the axial direction of the rotating shaft.

[0021] With this arrangement, the primary rolling device and the final rolling device will not tilt when they move vertically synchronously. In addition, since the primary rolling device and the final rolling device are usually provided with heating blocks, this anti-tilt design is also beneficial for keeping the mouth of the paper cup heated evenly, thereby improving the curling quality.

[0022] In one embodiment, the initial rolling device includes an initial rolling shaft fixedly connected to the substrate rotatably connected to the substrate, an initial rolling mold fixedly connected to the initial rolling shaft, and a second driving member drivingly connected to the initial rolling shaft, and the first driving member is fixedly connected to the substrate.

[0023] With such arrangement, the driving motor drives the primary rolling mold to rotate, so that the mouth of the paper cup is heated evenly, making it easier to roll up.

[0024] In one embodiment, the primary winding shaft includes a rotating shaft body and a primary winding wheel rotatably connected to the rotating shaft body, the second driving member includes a second synchronous belt and a second servo motor connected to the second synchronous belt, and the second synchronous belt is sleeved on the primary winding wheel to drive the primary winding mold to rotate under the drive of the second servo motor.

[0025] In this arrangement, the primary winding device also adopts the synchronous belt drive, which facilitates the flexible arrangement of the installation position of the second servo motor.

[0026] The present application also provides a paper cup production device, including a frame and a curling mechanism as described above, wherein the rotating shaft of the curling mechanism is rotatably connected to the frame, the first driving member of the curling mechanism is fixedly connected to the frame, and the curling assembly of the curling mechanism is slidably installed on the frame along the vertical direction.

[0027] With such arrangement, the curling assembly can slide stably and be positioned accurately. The use of the curling mechanism provided by the present application is beneficial to further improving the production capacity of the paper cup production equipment.

[0028] In one embodiment, the frame includes a frame body, a mounting plate fixedly connected to the frame body, and a pair of bearing seats arranged above the mounting plate at intervals. The first driving member is fixedly connected to the mounting plate, and the rotating shaft of the curling mechanism is passed through the two bearing seats.

[0029] With such arrangement, the bearing seat cooperates with the driving wheel of the rotating shaft to facilitate fixing the crimping mechanism and facilitate assembly and disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a front view of a crimping mechanism in one embodiment of the utility model;

[0031] Figure 2 for Figure 1 a side view of the crimping mechanism shown;

[0032] Figure 3 for Figure 2 A top view of the crimping mechanism shown;

[0033] Figure 4for Figure 2 A cross-sectional view of the crimping mechanism shown.

[0034] Reference numerals:

[0035] 10. Curling assembly; 11. Oiling device; 12. Initial rolling device; 121. Initial rolling shaft; 1211. Rotating shaft body; 1212. Initial rolling wheel; 122. Initial rolling mold; 123. Second driving member; 1231. Second servo motor; 1232. Second synchronous belt; 13. Final rolling device; 131. Final rolling shaft; 132. Final rolling mold; 20. Base plate; 21. Plate body; 22. Connecting seat; 30. Rotating shaft; 31. Shaft body; 32. Driving wheel; 33. Connecting rod; 40. Transmission member; 401. First connecting end; 402. Second connecting end; 41. Crank; 42. Bearing; 50. First driving member; 51. First servo motor; 52. Driving wheel; 53. Driven wheel; 54. First synchronous belt; 60. Frame; 61. Frame body; 62. Mounting plate; 63. Bearing seat; 64. Mounting sleeve. DETAILED DESCRIPTION

[0036] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0037] 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", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships 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 a limitation on the present invention.

[0038] 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 at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0039] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0041] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0042] The edge of paper cups needs to be rolled during production. Paper cups usually need to go through three stations in sequence: oiling, initial rolling and final rolling. In order to achieve process production, the oiling device, initial rolling device and final rolling device corresponding to these three stations need to move at the same time to ensure that the edge of the paper cup maintains a fixed time interval for heating and softening and a fixed time interval for cooling and shaping during the two rolling processes.

[0043] In the prior art, the above three basic components are installed on the same base plate and driven by a cam. Due to its large size, the cam is often arranged at the bottom of the entire paper cup production equipment. Considering the limited space at the bottom of the equipment, only one cam can be configured; in addition, since these three components need to be arranged above the semi-finished paper cups, the actual installation position of the base plate is relatively high, so it is also necessary to be equipped with multiple sliding rods and connecting seats. In order to maintain the consistency of the sliding of the multiple sliding rods, it is also necessary to be equipped with a synchronization plate for connecting the multiple sliding rods and connecting the synchronization plate with the cam transmission. In actual use, the overall inertia of the structure formed by the synchronization plate, the sliding rod, the base plate, the cam and the above three basic components is large, which makes the load rate of the drive motor used for the curling mechanism large and difficult to speed up.

[0044] Based on this, it is necessary to provide a crimping mechanism and a paper cup production device that can significantly improve the production efficiency of paper cups and extend the service life of a driving motor.

[0045] See also Figure 1-3 , Figure 1 This is a front view of a crimping mechanism in one embodiment of the utility model. Figure 2 for Figure 1 A side view of the crimping mechanism shown, Figure 3 for Figure 2 A top view of the crimping mechanism shown.

[0046] The present application provides a curling mechanism and a paper cup production device, which includes a frame 60 and a curling mechanism installed on the frame 60, and the curling mechanism includes a base plate 20, a curling assembly 10, a rotating shaft 30, a pair of transmission members 40 and a first driving member 50. The curling assembly 10 is located below the base plate 20 and is fixedly connected to the base plate 20, the rotating shaft 30 is located above the base plate 20, the rotating shaft 30 has a pair of driving ends arranged coaxially and deviating from the rotation axis of the rotating shaft 30, the transmission member 40 has a first connecting end 401 rotatably connected to the driving end and a second connecting end 402 rotatably connected to the base plate 20, and the first driving member 50 is drivingly connected to the rotating shaft 30 so that the transmission member 40 drives the base plate 20 and the curling assembly 10 to reciprocate vertically. Compared with the conventional technology which uses a cam in conjunction with a synchronous plate to realize the oiling device 11, the initial rolling device 12 and the final rolling device 13, the curling mechanism provided in the present application eliminates the use of a synchronous plate. At the same time, since the first driving member 50 is installed above the synchronous plate, the length of the transmission member 40 is also shortened, further reducing the load rate of the first driving member 50, thereby increasing the operating speed of the curling mechanism, which is beneficial to improving the production efficiency of the paper cup production equipment.

[0047] See also Figure 1Specifically, in one embodiment provided in the present application, the rotating shaft 30 includes a shaft body 31, a driving wheel 32 detachably connected to both ends of the shaft body 31, and a connecting rod 33 extending axially from a side of the driving wheel 32 deviating from the rotation axis, and the first connecting end 401 is rotatably connected to the connecting rod 33. Since the driving wheel 32 is detachable, it is convenient for maintenance and replacement, and can also adapt to the requirements of paper cup curling of different heights, expanding the applicable scenarios of the curling mechanism.

[0048] See also Figure 2 Specifically, in one embodiment provided in the present application, the transmission member 40 includes a crank 41 having a mounting hole and a bearing 42 fixed to the mounting hole, and the inner ring of the bearing 42 is fixedly connected to the connecting rod 33. In this way, the transmission member 40 and the rotating shaft 30 rotate relatively smoothly, which is conducive to improving the smoothness of the operation of the crimping mechanism and reducing the risk of the transmission member 40 getting stuck.

[0049] Please refer again Figure 1 and Figure 3 Specifically, in one embodiment provided in the present application, the base plate 20 includes a plate body 21 and a pair of connection seats 22 spaced apart from the plate body 21, and the second connection end 402 is rotatably connected to the connection seat 22. After such a configuration, the hemming assembly 10 will not rotate horizontally, so that the movement path of the hemming assembly 10 is more stable.

[0050] See also Figure 1 and Figure 2 Specifically, in one embodiment provided in the present application, the first driving member 50 includes a first servo motor 51, a driving wheel 52 fixedly connected to the servo motor, a driven wheel 53 fixedly connected to the rotating shaft 30, and a first synchronous belt 54 sleeved on the driving wheel 52 and the driven wheel 53. The use of such a synchronous belt drive structure facilitates the arrangement of the first servo motor 51, and the installation position of the first servo motor 51 is more flexible.

[0051] See also Figure 1 and Figure 2 Specifically, in one embodiment provided in the present application, the curling assembly 10 includes an oiling device 11 installed on the base plate 20, a primary rolling device 12 and a final rolling device 13 located between two transmission members 40 and arranged at intervals along the axial direction of the rotating shaft 30. Since the primary rolling device 12 and the final rolling device 13 are arranged at intervals and the spacing direction is the same as the spacing direction of the two transmission members 40, the primary rolling device 12 and the final rolling device 13 will not tilt when they move vertically synchronously. It is worth noting that both the primary rolling device 12 and the final rolling device 13 are provided with heating blocks. This anti-tilting design is also conducive to keeping the cup mouth of the paper cup heated evenly, thereby improving the curling quality.

[0052] See also Figure 1-4 , Figure 4 for Figure 2The cross-sectional view of the curling mechanism shown in the figure, specifically, the primary rolling device 12 includes a primary rolling shaft 121 fixedly connected to the base plate 20, a primary rolling mold 122 fixedly connected to the primary rolling shaft 121, and a second driving member 123 drivingly connected to the primary rolling shaft 121, and the first driving member 50 is fixedly connected to the base plate 20. The driving motor drives the primary rolling mold 122 to rotate, so that the cup mouth of the paper cup is heated evenly, which is convenient for rolling. Further, the primary rolling shaft 121 includes a rotating shaft body 1211 and a primary rolling wheel 1212 rotatably connected to the rotating shaft body 1211, and the second driving member 123 includes a second synchronous belt 1232 and a second servo motor 1231 drivingly connected to the second synchronous belt 1232, and the second synchronous belt 1232 is sleeved on the primary rolling wheel 1212 for driving the primary rolling mold 122 to rotate under the drive of the second servo motor 1231. The primary rolling device 12 also adopts the synchronous belt drive, which facilitates the flexible arrangement of the installation position of the second servo motor 1231.

[0053] The present application also provides a paper cup production device, including a frame 60 and the above-mentioned curling mechanism, the rotating shaft 30 of the curling mechanism is rotatably connected to the frame 60, the first driving member 50 of the curling mechanism is fixedly connected to the frame 60, and the curling assembly 10 of the curling mechanism is slidably installed on the frame 60 along the vertical direction, so that the curling assembly 10 slides stably and is accurately positioned.

[0054] Optionally, in an embodiment provided in the present application, the frame 60 includes a frame body 61, a mounting plate 62 fixedly connected to the frame body 61, a pair of bearing seats 63 detachably mounted on the mounting plate 62, and two mounting sleeves 64 detachably mounted on the mounting plate 62. The first driving member 50 is fixedly connected to the mounting plate 62. The rotating shaft 30 of the curling mechanism is passed through the two bearing seats 63. The final rolling device 13 includes a final rolling shaft 131 slidably inserted into one of the mounting sleeves 64 and a final rolling mold 132 fixedly connected to the final rolling shaft 131. The initial rolling shaft 121 can also be slidably inserted into the other mounting sleeve 64. In this way, the bearing seat 63 cooperates with the driving wheel 32 of the rotating shaft 30 to facilitate the fixed connection of the curling mechanism to the frame 60, and the disassembly and assembly are convenient. It is worth noting that the drawings of the present application only illustrate part of the structure of the frame body 61. It can be understood that in the paper cup production equipment, the frame body 61 extends vertically to Figure 1 The installation position of the first servo motor 51 is shown in the figure, and a structural basis is provided for the installation of the first servo motor 51 and the rotating shaft 30.

[0055] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0056] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. 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 utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A crimping mechanism, characterized in that: include: substrate(20); A curling assembly (10), the curling assembly (10) being located below the base plate (20) and fixedly connected to the base plate (20); A rotating shaft (30), the rotating shaft (30) being located above the substrate (20), the rotating shaft (30) having a pair of driving ends coaxially arranged and offset from a rotation axis of the rotating shaft (30); A pair of transmission members (40), wherein the transmission members (40) have a first connection end (401) rotatably connected to the driving end and a second connection end (402) rotatably connected to the base plate (20); as well as A first driving member (50) is drivingly connected to the rotating shaft (30) so that the transmission member (40) drives the base plate (20) and the curling assembly (10) to move back and forth in the vertical direction.

2. A crimping mechanism according to claim 1, characterized in that: The rotating shaft (30) comprises an axis body (31), a driving wheel (32) detachably connected to both ends of the axis body (31), and a connecting rod (33) extending axially from a side of the driving wheel (32) deviating from the rotating axis, and the first connecting end (401) is rotatably connected to the connecting rod (33).

3. A crimping mechanism according to claim 2, characterized in that: The transmission member (40) comprises a crank (41) having a mounting hole and a bearing (42) fixed to the mounting hole, and the inner ring of the bearing (42) is fixedly connected to the connecting rod (33).

4. A crimping mechanism according to any one of claims 1 to 3, characterized in that: The base plate (20) comprises a plate body (21) and a pair of connection seats (22) arranged at intervals on the plate body (21), and the second connection end (402) is rotatably connected to the connection seat (22).

5. A crimping mechanism according to claim 1, characterized in that: The first driving member (50) comprises a first servo motor (51), a driving wheel (52) fixedly connected to the servo motor, a driven wheel (53) fixedly connected to the rotating shaft (30), and a first synchronous belt (54) sleeved on the driving wheel (52) and the driven wheel (53).

6. A crimping mechanism according to claim 1, characterized in that: The curling assembly (10) comprises an oiling device (11) installed on the base plate (20), an initial curling device (12) and a final curling device (13) located between the two transmission members (40) and arranged at intervals along the axial direction of the rotating shaft (30).

7. A crimping mechanism according to claim 6, characterized in that: The initial rolling device (12) comprises an initial rolling shaft (121) fixedly connected to the initial rolling shaft (121) rotatably connected to the base plate (20), an initial rolling mold (122) fixedly connected to the initial rolling shaft (121) and a second driving member (123) drivingly connected to the initial rolling shaft (121), and the first driving member (50) is fixedly connected to the base plate (20).

8. A crimping mechanism according to claim 7, characterized in that: The primary rolling shaft (121) comprises a rotating shaft body (1211) and a primary rolling wheel (1212) rotatably connected to the rotating shaft body (1211); the second driving member (123) comprises a second synchronous belt (1232) and a second servo motor (1231) transmission-connected to the second synchronous belt (1232); the second synchronous belt (1232) is sleeved on the primary rolling wheel (1212) and is used to drive the primary rolling mold (122) to rotate under the drive of the second servo motor (1231).

9. A paper cup production equipment, characterized in that: It comprises a frame (60) and a curling mechanism as described in any one of claims 1 to 8, wherein the rotating shaft (30) of the curling mechanism is rotatably connected to the frame (60), the first driving member (50) of the curling mechanism is fixedly connected to the frame (60), and the curling assembly (10) of the curling mechanism is slidably installed on the frame (60) along the vertical direction.

10. The paper cup production equipment according to claim 9, characterized in that: The frame (60) comprises a frame body (61), a mounting plate (62) fixedly connected to the frame body (61), and a pair of bearing seats (63) arranged above the mounting plate (62) at intervals, and the rotating shaft (30) of the curling mechanism is passed through the two bearing seats (63).

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