Winding device for polylactic acid degradable tableware production

Abstract

A winding device for polylactic acid degradable tableware production comprises a mounting frame, a sliding plate, reducing assemblies and a flattening assembly, the sliding plate is movably arranged on the side face of the mounting frame, one reducing assembly is arranged on the mounting frame, the other reducing assembly is arranged on the sliding plate, and the flattening assembly is arranged on the mounting frame. Wherein the reducing assemblies comprise mounting sleeves, supporting assemblies, connecting assemblies and switch assemblies, one of the mounting sleeves in the two reducing assemblies is rotationally mounted at the execution tail end of the sliding plate, the other mounting sleeve is rotationally mounted on the mounting frame, and the at least three supporting assemblies are movably mounted in the mounting sleeves; one end of the connecting assembly is connected with the supporting assembly, the other end of the connecting assembly is movably installed on the installation sleeve, and the switch assembly is movably installed on the installation sleeve and connected with the connecting assembly in a clamped mode. The switch assembly and the reducing assembly are connected in series through the connecting assembly, so that the roll core can be fixed only by pressing the pressing plate, and the flattening assembly is arranged and can be used for flattening the sheet.

Description

TECHNICAL FIELD

[0001] The utility model relates to tableware production technical field, concretely is a kind of winding device for polylactic acid degradable tableware production. BACKGROUND

[0002] Polylactic acid (PLA) sheet has unique advantages when producing tableware, its shape is usually flat and regular sheet, easy for various forming and cutting. This sheet is made of renewable resources, with good biodegradability, can effectively reduce the impact on the environment after use. In addition, PLA sheet meets food safety standards, ensures safe use. Its light weight and tough characteristics make the produced tableware not only durable but also not easy to deform, suitable for daily use. At the same time, the sheet surface is smooth, easy to print, can display beautiful patterns and brand information, improve the market competitiveness of products, become the ideal choice of environmental protection tableware.

[0003] The application number CN202021891767.5 discloses a winding device for polylactic acid degradable tableware production, including a mounting frame, a fixed frame is fixedly installed on the left side of the mounting frame, a gas cylinder is detachably installed on the fixed frame, a first slide rod and four second slide rods of the same size are slidably installed on the left side wall of the mounting frame, the right sides of the first slide rod and the four second slide rods are detachably installed with the left side of the mounting plate, and the left side of the first slide rod is detachably installed with the right side of the gas cylinder.

[0004] The above-mentioned prior art can indirectly drive the winding drum to rotate by driving the second clamping cylinder to rotate by the motor, and can wind the polylactic acid film. Since the outer walls of the first clamping cylinder and the second clamping cylinder are annularly fixedly installed with four racks of the same size, the mounting friction between the first clamping cylinder, the second clamping cylinder and the winding drum can be increased, and the relative sliding phenomenon between the second clamping cylinder and the winding drum can be reduced. However, the above-mentioned prior art cannot wind winding drums of different sizes. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a winding device for polylactic acid degradable tableware production to solve the problems in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A winding device for polylactic acid degradable tableware production, including mounting frame, sliding plate, variable-diameter assembly and flattening assembly, the sliding plate is movably arranged on the side of the mounting frame, one of the two variable-diameter assemblies is arranged on the mounting frame, and the other is arranged on the sliding plate, and the flattening assembly is arranged on the mounting frame, wherein:

[0008] The variable diameter assembly comprises a mounting sleeve, a supporting assembly, a connecting assembly and a switch assembly, one of the mounting sleeves of the two variable diameter assemblies is rotatably mounted at the execution end of the sliding plate, the other is rotatably mounted on the mounting frame, at least three supporting assemblies are movably mounted in the mounting sleeve, one end of the connecting assembly is connected with the supporting assembly and the other end is movably mounted on the mounting sleeve, the switch assembly is movably mounted on the mounting sleeve, and the switch assembly is connected with the connecting assembly.

[0009] Preferably, the supporting assembly comprises a spring, a mounting plate, a damping rod and an elastic supporting plate, one side of the mounting plate is movably mounted in the mounting sleeve through the spring, and the other side is connected through the damping rod and the elastic supporting plate.

[0010] Preferably, the connecting assembly comprises a connecting rod group and a switch sleeve, the switch sleeve is movably mounted on the mounting sleeve ， and the switch sleeve moves linearly in the axial direction of the mounting sleeve, one end of the connecting rod group is hingedly connected with the mounting plate, and the other end is hingedly connected with the mounting plate.

[0011] Preferably, the switch assembly comprises a pressing plate, a reset spring and a blocking part, the pressing plate is movably mounted in the side slot of the mounting sleeve through the reset spring, the pressing plate is provided with the blocking part, and the switch sleeve is connected with the blocking part.

[0012] Preferably, the flattening assembly comprises a mounting part and a clamp, one of the two mounting parts is arranged on the side of the mounting frame, and the other is arranged on the sliding plate, the two mounting parts are located at the same height, and at least one clamp is arranged on each mounting part.

[0013] Preferably, the clamp comprises an L-shaped mounting frame, a movable block, a roller and a linear electric cylinder, the L-shaped mounting frame is arranged on the mounting part, the movable block is movably arranged in the L-shaped mounting frame, one of the two rollers is rotatably mounted on the L-shaped mounting frame, and the other is rotatably mounted on the movable block, and the linear electric cylinder is arranged on the L-shaped mounting frame and connected with the movable block at the execution end.

[0014] Preferably, one of the two mounting sleeves is connected with the motor.

[0015] Compared with the prior art, the utility model has the advantages that

[0016] The winding device for producing polylactic acid degradable tableware disclosed by the utility model can drive winding cores with different inner diameters to rotate through the variable diameter assembly, the switch assembly and the variable diameter assembly are connected in series through the connecting assembly, so that the winding cores can be fixed through the supporting assembly by pressing the pressing plate, and the flattening assembly can be used to flatten the sheet, thereby improving the stability of winding. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is three-dimensional schematic view of the whole structure of the utility model;

[0018] Figure 2 It is three-dimensional schematic view of the variable diameter assembly in the utility model;

[0019] Figure 3 It is internal schematic view of the variable diameter assembly in the utility model;

[0020] Figure 4 It is sectional view of the switch assembly in the utility model;

[0021] Figure 5 It is three-dimensional schematic view of the clamp in the utility model.

[0022] In the drawing: 1 mounting frame, 2 sliding plate, 3 variable diameter assembly, 4 flattening assembly, 5 motor, 31 mounting sleeve, 32 support assembly, 33 connecting assembly, 34 switch assembly, 41 mounting portion, 42 clamp, 321 spring, 322 mounting plate, 323 damping rod, 324 elastic support plate, 331 connecting rod group, 332 switch sleeve, 341 pressing plate, 342 reset spring, 343 blocking portion, 421 L-shaped mounting frame, 422 movable block, 423 roller, 424 linear electric cylinder. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Embodiment:

[0025] Please refer to Figures 1 to 5 The utility model provides a technical scheme:

[0026] A kind of polylactic acid degradable tableware production is rolled up with device, including mounting frame 1, sliding plate 2, variable diameter assembly 3 and flattening assembly 4, sliding plate 2 is movably arranged on the side of mounting frame 1, screw rod is rotatably installed on one side of mounting frame 1, sliding plate 2 is in threaded cooperation with screw rod, rotating screw rod can drive sliding plate 2 to approach or away from the other side of mounting frame 1, two variable diameter assemblies 3 are arranged on mounting frame 1, and the other is arranged on sliding plate 2, variable diameter assembly 3 is used to drive the rotation of roll core of different inner diameter size, by adjusting the distance between sliding plate 2 and the side of mounting frame 1, the spacing of two variable diameter assemblies 3 can be adjusted, for adapting to roll core of different length, flattening assembly 4 is arranged on mounting frame 1, wherein:

[0027] The variable diameter assembly 3 comprises a mounting sleeve 31, a support assembly 32, a connecting assembly 33 and a switch assembly 34, the mounting sleeve 31 of the two variable diameter assemblies 3 is rotatably mounted at the execution end of the sliding plate 2, and the other is rotatably mounted on the mounting frame 1, by adjusting the distance between the sliding plate 2 and the side of the mounting frame 1, the distance between the two mounting sleeves 31 can be adjusted, at least three support assemblies 32 are movably mounted in the mounting sleeve 31, the support assembly 32 is used for internally supporting the winding core, and then the winding core is driven to rotate through the friction force between the support assembly 32 and the winding core, one end of the connecting assembly 33 is connected with the support assembly 32, and the other end is movably mounted on the mounting sleeve 31, the switch assembly 34 is movably mounted on the mounting sleeve 31, and the switch assembly 34 is connected with the connecting assembly 33. The connecting assembly 33 connects the support assembly 32 and the switch assembly 34 in series, and the support assembly 32 can support the winding core through the switch assembly 34, so that the winding core can be quickly disassembled and assembled.

[0028] As a preferred embodiment, the support assembly 32 comprises a spring 321, a mounting plate 322, a damping rod 323 and an elastic support plate 324, one side of the mounting plate 322 is movably mounted in the mounting sleeve 31 through the spring 321, the other side is connected through the damping rod 323 and the elastic support plate 324, wherein the mounting plate 322 forms a moving pair in the radial direction of the mounting sleeve 31, and the mounting plate 322 is connected with the connecting assembly 33. The elastic support plate 324 is used for internally supporting the winding core, and the damping rod 323 is provided to facilitate the internal support of the winding core with different inner diameters, and the spring 321 can push the mounting plate 322 away from the center of the mounting sleeve 31, and the elastic support plate 324 is pushed by the elastic force of the spring 321 to internally support the winding core.

[0029] As a preferred embodiment, the connecting assembly 33 comprises a connecting rod set 331 and a switch sleeve 332, the switch sleeve 332 is movably mounted on the mounting sleeve 31 ， and the switch sleeve 332 is a linear motion pair in the axial direction of the mounting sleeve 31, one end of the connecting rod set 331 is hinged with the mounting plate 322, and the other end is hinged with the mounting plate 322. When the switch sleeve 332 moves in the direction along the center axis of the mounting sleeve 31, the mounting plate 322 can be driven to move in the direction along the center of the mounting sleeve 31 through the connecting rod set 331.

[0030] As a preferred embodiment, the switch assembly 34 comprises a pressing plate 341, a reset spring 342 and a blocking part 343, the pressing plate 341 is movably installed in the side slot of the mounting sleeve 31 by the reset spring 342, the reset spring 342 provides a restoring force for the pressed pressing plate 341, the pressing plate 341 is provided with the blocking part 343, and the switch sleeve 332 is clamped with the blocking part 343. The side of the blocking part 343 close to the mounting sleeve 31 is lower than the side away from the mounting sleeve 31, and the blocking part 343 is used for limiting the switch sleeve 332 close to the support assembly 32.

[0031] As a preferred embodiment, the flattening assembly 4 comprises a mounting part 41 and a clamp 42, two mounting parts 41 are arranged on the side of the mounting frame 1 and the sliding plate 2 respectively, the two mounting parts 41 are located at the same height, and each mounting part 41 is provided with at least one clamp 42. The flattening assembly 4 is used for flattening the sheet, so as to improve the stability of winding.

[0032] As a preferred embodiment, the clamp 42 comprises an L-shaped mounting frame 421, a movable block 422, a roller 423 and a linear electric cylinder 424, the L-shaped mounting frame 421 is arranged on the mounting part 41, the movable block 422 is movably arranged in the L-shaped mounting frame 421, the two rollers 423 are rotatably arranged on the L-shaped mounting frame 421 and the movable block 422 respectively, and the linear electric cylinder 424 is arranged on the L-shaped mounting frame 421 and connected with the movable block 422 at an execution end. The two rollers 423 are used for clamping the side of the sheet, and then the sliding plate 2 drives the sheet to be flattened.

[0033] As a preferred embodiment, one of the two mounting sleeves 31 is connected with the motor 5.

[0034] The working principle of the utility model:

[0035] When the device is used, first, the sheet winding core is supported at both ends on the variable-diameter assembly 3 by adjusting the sliding plate 2, and when the pressing plate 341 limits the switch sleeve 332, the spring 321 is in a compressed state, so that the elastic supporting plate 324 has a movement trend of moving away from the mounting sleeve 31.

[0036] When the winding core needs to be supported, the pressing plate 341 is pressed to release the limitation of the switch sleeve 332, at this time, the mounting plate 322 moves away from the center of the mounting sleeve 31, the elastic supporting plate 324 is pushed by the elastic force of the spring 321 to support the winding core, then the two rollers 423 clamp the side of the sheet, and then the sliding plate 2 drives the sheet to be flattened. Then the motor 5 is started to realize the winding of the sheet.

[0037] After the rolled sheet is taken out, the switch sleeve 332 is pulled away from the support assembly 32 along the axis direction of the mounting sleeve 31, the mounting plate 322 is driven to move towards the center of the mounting sleeve 31, and the blocking part 343 on the pressing plate 341 is clamped to the switch sleeve 332, so that the next fixing of the roll core is facilitated.

[0038] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A winding device for producing polylactic acid degradable tableware, comprising a mounting frame (1), a sliding plate (2), a variable diameter assembly (3) and a flattening assembly (4), the sliding plate (2) is movably arranged on the side of the mounting frame (1), one of the two variable diameter assemblies (3) is arranged on the mounting frame (1), and the other is arranged on the sliding plate (2), and the flattening assembly (4) is arranged on the mounting frame (1), characterized in that: the variable diameter assembly (3) comprises a mounting sleeve (31), a support assembly (32), a connecting assembly (33) and a switch assembly (34), one of the mounting sleeves (31) of the two variable diameter assemblies (3) is rotatably arranged at the execution end of the sliding plate (2), and the other is rotatably arranged on the mounting frame (1), at least three support assemblies (32) are movably arranged inside the mounting sleeve (31), one end of the connecting assembly (33) is connected with the support assembly (32), and the other end is movably arranged on the mounting sleeve (31), the switch assembly (34) is movably arranged on the mounting sleeve (31), and the switch assembly (34) is connected with the connecting assembly (33).

2. The winding device for polylactic acid degradable tableware production according to claim 1, characterized in that: the support assembly (32) comprises a spring (321), a mounting plate (322), a damping rod (323) and an elastic support plate (324), one side of the mounting plate (322) is movably arranged in the mounting sleeve (31) through the spring (321), and the other side is connected through the damping rod (323) and the elastic support plate (324).

3. The winding device for polylactic acid degradable tableware production according to claim 2, characterized in that: the connecting assembly (33) comprises a connecting rod group (331) and a switch sleeve (332), the switch sleeve (332) is movably arranged on the mounting sleeve (31), and the switch sleeve (332) is in linear motion pair in the axis direction of the mounting sleeve (31), one end of the connecting rod group (331) is hinged with the mounting plate (322), and the other end is hinged with the mounting plate (322).

4. The winding device for polylactic acid degradable tableware production according to claim 3, characterized in that: the switch assembly (34) comprises a pressing plate (341), a reset spring (342) and a blocking part (343), the pressing plate (341) is movably arranged in the side groove of the mounting sleeve (31) through the reset spring (342), the pressing plate (341) is provided with the blocking part (343), and the switch sleeve (332) is connected with the blocking part (343).

5. The winding device for polylactic acid degradable tableware production according to claim 1, characterized in that: the flattening assembly (4) comprises a mounting part (41) and a clamp (42), one of the two mounting parts (41) is arranged on the side of the mounting frame (1), and the other is arranged on the sliding plate (2), the two mounting parts (41) are located at the same height, and at least one clamp (42) is arranged on each mounting part (41).

6. The winding device for polylactic acid degradable tableware production according to claim 5, characterized in that: The clamp (42) comprises an L-shaped mounting frame (421), a movable block (422), two roller wheels (423) and a linear motor (424), the L-shaped mounting frame (421) is arranged on the mounting portion (41), the movable block (422) is movably arranged in the L-shaped mounting frame (421), one of the two roller wheels (423) is rotatably arranged on the L-shaped mounting frame (421), and the other roller wheel (423) is rotatably arranged on the movable block (422), and the linear motor (424) is arranged on the L-shaped mounting frame (421) and connected with the movable block (422) at an execution end.

7. The winding device for polylactic acid degradable tableware production according to claim 4, characterized in that: One of the two mounting sleeves (31) is connected with the motor (5) in a power manner.

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