Bidirectional stretching device for producing high-performance degradable food packaging film

Abstract

The utility model belongs to the field of stretching devices, and particularly relates to a two-way stretching device for producing a high-performance degradable food packaging film, which comprises a base, the bottom of the base is fixedly connected with a plurality of supporting seats which are uniformly distributed, the inside of the base is rotatably connected with a workbench through a bearing, the back of the base is fixedly connected with a bracket, and the bracket is fixedly connected with the bottom of the base. The top of the support is fixedly connected with a hydraulic cylinder, the output end of the hydraulic cylinder is slidably connected with the support, and the lower end of the output end of the hydraulic cylinder is fixedly connected with a fixing seat. Through the design of the hydraulic cylinder, the output end of the hydraulic cylinder can drive the fixing base and the connecting sleeve to move downwards, the connecting sleeve can drive the connecting rod and the pressing block to move downwards, the pressing block can firstly make contact with a packaging film through downward movement, downward pressure can be applied to the connecting rod under the elastic effect of the first spring, and the packaging film is pressed. And the packaging film can be automatically pressed and positioned by the pressing block, so that the subsequent stretching work is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to stretching device technical field, concretely is two -way stretching device for high -performance degradable food packaging film production. BACKGROUND

[0002] The stretching device for high -performance degradable food packaging film production is a device for producing degradable food packaging film, mainly used for stretching processing of raw material plastic film, thereby improving the performance and quality of the film. This device plays an important role in the food packaging industry and can produce high -performance degradable food packaging film that meets environmental protection requirements.

[0003] The utility model discloses a PET film stretching device in the utility model discloses a PET film stretching device, including the stretching platform, the top of stretching platform all installs the positioning assembly, the both sides of stretching platform all are provided with the sliding slot, two sliding slots install the transverse drive mechanism, the transverse drive mechanism includes two screw rods, two screw rods are rotationally connected in two sliding slot interiors, and the screw rod installs the nut, and the nut is covered with the support block, and the outside top of support block is provided with the recess, and the recess installs the electric push rod, and the push rod top of electric push rod installs the connecting seat, and the connecting seat between two installs the compression roller, the device fixes one end of PET film through positioning assembly, and then moves the compression roller through the transverse drive mechanism and drives PET film to stretch, can effectively solve the problem that the middle section is excessively stretched when the existing stretching device stretches PET film, and the stretching degree of both sides is small, and the surface processing of PET film is not uniform enough.

[0004] In the prior art, manual operation is needed for positioning the film during the use of the stretching device, which is not convenient to use, and when the film needs to be stretched in two directions, the film needs to be rotated and flipped manually after the positioning of the film is removed, which is not convenient to operate. Therefore, improvement is needed. UTILITY MODEL CONTENTS

[0005] The utility model discloses a two -way stretching device for high -performance degradable food packaging film production, solve the problem that the film is not convenient to position, also solve the problem that the film is not convenient to stretch in two directions.

[0006] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: A high -performance degradable food packaging film production is with two -way stretching device, including base, the bottom fixed connection of base has a plurality of even distribution's support seat, the inside rotation connection of base has workstation through bearing, the back fixed connection of base has support, the top fixed connection of support has hydraulic cylinder, the output end of hydraulic cylinder is connected with support slidingly, the lower end fixed connection of hydraulic cylinder output end has fixed seat, the right -hand member fixed connection of fixed seat has drive motor, the output end of drive motor is connected with fixed seat rotationally, the left -hand member fixed connection of drive motor output end has positive screw rod, the outside of positive screw rod is connected with two symmetrical distribution's connecting column through thread, the connecting column is connected with fixed seat slidingly, the bottom fixed connection of connecting column has connecting frame, the inside hinged of connecting frame has drum, be provided with positioning mechanism on fixed seat, be provided with rotating mechanism on workstation.

[0007] Preferably, the positioning mechanism includes a connecting sleeve, the lower end of the fixed seat is rotatably connected with the connecting sleeve through a bearing, the inside of the connecting sleeve is fixedly connected with a fixed rod, the outside of the fixed rod is provided with a first spring, the outside of the fixed rod is slidingly sleeved with a connecting rod, the connecting rod is slidingly connected with the connecting sleeve, the bottom of the connecting rod is fixedly connected with a pressing block, the outside of the connecting rod is fixedly connected with a guide block, and the guide block is slidingly connected with the connecting sleeve. By designing the positioning mechanism, the film can be conveniently positioned and stretched.

[0008] Preferably, one end of the first spring is fixedly connected with the connecting sleeve, and the other end of the first spring is fixedly connected with the connecting rod. By designing the first spring, the acting force of the first spring can act on the connecting rod.

[0009] Preferably, the inside of the connecting sleeve is provided with a guide groove, and the inside of the guide groove is slidingly connected with a guide block. By designing the guide groove, the guide block can slide in the guide groove.

[0010] Preferably, the rotating mechanism includes a rotating motor, the inside of the base is fixedly installed with a rotating motor, the upper end of the output end of the rotating motor is fixedly connected with a rotating seat, the rotating seat is rotatably connected with the base, the rotating seat is fixedly connected with the workstation, the inside of the rotating seat is provided with a groove, the inside of the groove is movably sleeved with a clamping ball, the clamping ball is movably linked with the base, the outside of the clamping ball is movably sleeved with a sliding block, the sliding block is slidingly connected with the base, the inside of the sliding block is slidingly sleeved with a guide rod, the guide rod is fixedly connected with the base, and the outside of the guide rod is provided with a second spring. By designing the rotating mechanism, the workstation can be rotatably used.

[0011] Preferably, the number of the grooves is multiple, and the multiple grooves are annularly and uniformly distributed inside the rotating seat. By designing multiple grooves, the ball can be clamped into the grooves in different positions.

[0012] Preferably, one end of the second spring is fixedly connected with the sliding block, and the other end of the second spring is fixedly connected with the base. By designing the second spring, the force of the second spring can act on the sliding block.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、The utility model discloses a fixing seat, a connecting sleeve, a connecting rod, a pressing block, a guide block, a guide groove, a rotating motor, a rotating seat, a groove and a ball are arranged on the workbench, and the fixing seat is fixedly connected with the support seat.

[0015] 2、The utility model discloses a fixing seat, a connecting sleeve, a connecting rod, a pressing block, a guide block, a guide groove, a rotating motor, a rotating seat, a groove and a ball are arranged on the workbench, and the fixing seat is fixedly connected with the support seat. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure perspective drawing of the utility model;

[0017] Figure 2 It is the fixing seat partial structure perspective section view of the utility model Figure 1 ;

[0018] Figure 3 It is the connecting sleeve front view section view of the utility model Figure 2 ;

[0019] Figure 4 It is the base front view section view of the utility model Figure 2 .

[0020] In the drawing: 1, base;2, support seat;3, workbench;4, support;5, hydraulic cylinder;6, fixed seat;7, drive motor;8, positioning mechanism;9, rotating mechanism;10, positive and negative screw;11, connecting column;12, connecting frame;13, roller;81, connecting sleeve;82, fixed rod;83, first spring;84, connecting rod;85, pressing block;86, guide block;87, guide groove;91, rotating motor;92, rotating seat;93, groove;94, ball;95, sliding block;96, guide rod;97, second spring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with 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 of ordinary skill in the art without any creative work fall within the protection scope of the utility model.

[0022] Please refer to Figure 1 , Figure 2 The utility model discloses a high -performance degradable food packaging film production bidirectional stretching device, including the base 1, the bottom fixed connection of base 1 has a plurality of even distribution's support seat 2, the inside rotation is connected with the work table 3 through the bearing of base 1, the back fixed connection of base 1 has the support 4, the top fixed connection of support 4 has the hydraulic cylinder 5, and the output end of hydraulic cylinder 5 is connected with support 4 slidingly, and the lower end fixed connection of hydraulic cylinder 5 output end has the fixed seat 6, and the right -hand member fixed connection of fixed seat 6 has drive motor 7, and the output end of drive motor 7 is connected with fixed seat 6 rotationally, and the left -hand member fixed connection of drive motor 7 output end has positive screw rod 10, and the outside screw connection of positive screw rod 10 has two symmetrical distribution's connecting column 11, and connecting column 11 is connected with fixed seat 6 slidingly, and the bottom fixed connection of connecting column 11 has the connecting frame 12, and the inner side hinged of connecting frame 12 has the roller 13, and the fixed seat 6 is provided with positioning mechanism 8, and the work table 3 is provided with rotating mechanism 9.

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 Positioning mechanism 8 includes connecting sleeve 81, and the lower end of fixed seat 6 is rotationally connected with connecting sleeve 81 through the bearing, and the inside fixed connection of connecting sleeve 81 has fixed rod 82, and the outside of fixed rod 82 is provided with first spring 83, and one end of first spring 83 is fixedly connected with connecting sleeve 81, and the other end of first spring 83 is fixedly connected with connecting rod 84, by designing first spring 83, the acting force of first spring 83 can act on connecting rod 84, the outside of fixed rod 82 is sleeved with connecting rod 84 slidingly, connecting rod 84 is connected with connecting sleeve 81 slidingly, the bottom fixed connection of connecting rod 84 has pressing block 85, the outside fixed connection of connecting rod 84 has guide block 86, guide block 86 is connected with connecting sleeve 81 slidingly, the inside of connecting sleeve 81 is provided with guide groove 87, and guide groove 87 is connected with guide block 86 slidingly, by designing guide groove 87, guide block 86 can slide in guide groove 87, by designing positioning mechanism 8, it is convenient to position and stretch the film.

[0024] Please refer to Figure 1 , Figure 2 , Figure 4The rotating mechanism 9 comprises a rotating motor 91, the rotating motor 91 is fixedly installed in the inside of the base 1, the upper end of the output end of the rotating motor 91 is fixedly connected with a rotating seat 92, the rotating seat 92 is rotationally connected with the base 1, the rotating seat 92 is fixedly connected with the workbench 3, the inside of the rotating seat 92 is provided with a recess 93, the recess 93 is movably sleeved with a clamping ball 94, the number of the recess 93 is plural, the plural recess 93 is annularly and evenly distributed in the inside of the rotating seat 92, the clamping ball 94 can be clamped into the recess 93 in different positions by designing the plural recess 93, the clamping ball 94 is movably connected with the base 1, the outside of the clamping ball 94 is movably sleeved with a sliding block 95, the sliding block 95 is slidingly connected with the base 1, the inside of the sliding block 95 is slidingly sleeved with a guide rod 96, the guide rod 96 is fixedly connected with the base 1, the outside of the guide rod 96 is provided with a second spring 97, one end of the second spring 97 is fixedly connected with the sliding block 95, the other end of the second spring 97 is fixedly connected with the base 1, the force of the second spring 97 can act on the sliding block 95 by designing the second spring 97, the workbench 3 can be rotated by designing the rotating mechanism 9.

[0025] The specific implementation process of the utility model is as follows: when using, first, the packaging film is placed on the workbench 3, then the hydraulic cylinder 5 is started, the output end of the hydraulic cylinder 5 drives the fixed seat 6 to move downward, the fixed seat 6 drives the connecting sleeve 81 and the connecting rod 84 to move downward, so that the pressing block 85 first contacts the packaging film, then the fixed seat 6 drives the connecting sleeve 81 to continue to move downward, the connecting sleeve 81 drives the fixed rod 82 to slide along the connecting rod 84, the connecting sleeve 81 and the guide block 86 slide relative to each other, the connecting sleeve 81 will extrude the first spring 83, and under the elastic action of the first spring 83, a downward reaction force will be applied to the connecting rod 84, the packaging film can be pressed downward by the pressing block 85, and automatic positioning of the packaging film can be realized, facilitating subsequent stretching work.

[0026] In the process of moving the fixed seat 6 downward, the fixed seat 6 will also drive the roller 13 to move downward so that the roller 13 contacts the packaging film, then the drive motor 7 is started, the output end of the drive motor 7 drives the positive and negative screw rod 10 to rotate, the threaded motion of the connecting column 11 can be realized, the two connecting columns 11 will move in opposite directions, the connecting column 11 drives the connecting frame 12 and the roller 13 to move horizontally, and the movement of the roller 13 on the surface of the packaging film can stretch the packaging film.

[0027] When the stretching is completed, the hydraulic cylinder 5 first works to drive the roller 13 to move slightly upward and separate from the packaging film, then the rotating motor 91 is started, the output end of the rotating motor 91 drives the rotating seat 92 and the workbench 3 to rotate, the workbench 3 drives the positioned packaging film to rotate, then the hydraulic cylinder 5 controls the roller 13 to move downward and contact the packaging film, and under the action of the drive motor 7, the roller 13 is driven to move horizontally again, the longitudinal and transverse stretching work of the packaging film can be realized, and the stretching effect is improved.

[0028] When the rotating seat 92 rotates, the rotating of the rotating seat 92 can extrude the clamping ball 94, the clamping ball 94 is extruded and pushed to horizontally roll, the clamping ball 94 drives the sliding block 95 to horizontally move, the sliding block 95 can slide along the guide rod 96 and extrude the second spring 97, the clamping ball 94 can be separated from the groove 93 in the rotating seat 92, and when the rotating seat 92 is rotated, the sliding block 95 can be reversely moved and reset under the elastic action of the second spring 97, at this time, the clamping ball 94 can be pushed into the groove 93 in another position, through the insertion of the clamping ball 94 and the groove 93, the rotating seat 92 and the workbench 3 can be limited, and the shaking of the workbench 3 during the stretching can be avoided, so that the stretching effect is not affected.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A high-performance bi-directional stretching device for producing degradable food packaging films, comprising a base (1), characterized in that: The bottom of the base (1) is fixedly connected with a plurality of support seats (2) which are uniformly distributed, the inside of the base (1) is rotatably connected with a workbench (3) through a bearing, the back of the base (1) is fixedly connected with a support (4), the top of the support (4) is fixedly connected with a hydraulic cylinder (5), the output end of the hydraulic cylinder (5) is slidably connected with the support (4), the lower end of the output end of the hydraulic cylinder (5) is fixedly connected with a fixed seat (6), the right end of the fixed seat (6) is fixedly connected with a driving motor (7), the output end of the driving motor (7) is rotatably connected with the fixed seat (6), the left end of the output end of the driving motor (7) is fixedly connected with a reversible screw rod (10), the outer side of the reversible screw rod (10) is threadedly connected with two symmetrically distributed connecting columns (11), the connecting columns (11) are slidably connected with the fixed seat (6), the bottom of the connecting column (11) is fixedly connected with a connecting frame (12), the inner side of the connecting frame (12) is hingedly connected with a roller (13), the fixed seat (6) is provided with a positioning mechanism (8), and the workbench (3) is provided with a rotating mechanism (9).

2. The bidirectional stretching device for producing high-performance degradable food packaging film according to claim 1, characterized in that: The positioning mechanism (8) comprises a connecting sleeve (81), the lower end of the fixed seat (6) is rotatably connected with the connecting sleeve (81) through a bearing, the inside of the connecting sleeve (81) is fixedly connected with a fixed rod (82), the outer side of the fixed rod (82) is provided with a first spring (83), the outer side of the fixed rod (82) is slidably sleeved with a connecting rod (84), the connecting rod (84) is slidably connected with the connecting sleeve (81), the bottom of the connecting rod (84) is fixedly connected with a pressing block (85), the outer side of the connecting rod (84) is fixedly connected with a guide block (86), and the guide block (86) is slidably connected with the connecting sleeve (81).

3. The bidirectional stretching device for producing high-performance degradable food packaging films according to claim 2, characterized in that: One end of the first spring (83) is fixedly connected with the connecting sleeve (81), and the other end of the first spring (83) is fixedly connected with the connecting rod (84).

4. The bidirectional stretching device for producing high-performance degradable food packaging films according to claim 2, characterized in that: The inside of the connecting sleeve (81) is provided with a guide groove (87), and the guide groove (87) is slidably connected with the guide block (86).

5. The bi-directional stretching device for producing high-performance degradable food packaging film according to claim 1, characterized in that: The rotating mechanism (9) comprises a rotating motor (91), the inside of the base (1) is fixedly installed with the rotating motor (91), the upper end of the output end of the rotating motor (91) is fixedly connected with a rotating seat (92), the rotating seat (92) is rotatably connected with the base (1), the rotating seat (92) is fixedly connected with the workbench (3), the inside of the rotating seat (92) is provided with a recess (93), the recess (93) is movably sleeved with a clamping ball (94), the clamping ball (94) is movably connected with the base (1), the outer side of the clamping ball (94) is movably sleeved with a sliding block (95), the sliding block (95) is slidably connected with the base (1), the inside of the sliding block (95) is slidably sleeved with a guide rod (96), the guide rod (96) is fixedly connected with the base (1), and the outer side of the guide rod (96) is provided with a second spring (97).

6. The bidirectional stretching device for producing high-performance degradable food packaging films according to claim 5, characterized in that: The number of the grooves (93) is multiple, and the multiple grooves (93) are annular and uniformly distributed in the interior of the rotating seat (92).

7. The bi-directional stretching device for producing high-performance degradable food packaging films according to claim 5, characterized in that: One end of the second spring (97) is fixedly connected with the sliding block (95), and the other end of the second spring (97) is fixedly connected with the base (1).

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