Feeding balance mechanism of EVA (Ethylene Vinyl Acetate) laminating mechanism

Abstract

The utility model belongs to the field of balance mechanisms, and particularly relates to a feeding balance mechanism of an EVA (Ethylene Vinyl Acetate) laminating mechanism, which comprises a base, the upper end of the base is fixedly connected with a fixed plate, the upper end of the base is fixedly connected with a feeding frame, the upper end of the feeding frame is fixedly connected with a fixed frame, an auxiliary mechanism is arranged in the fixed frame, and the auxiliary mechanism is fixedly connected with the fixed frame. A fixing frame is fixedly connected to the middle of the upper end of the base, two symmetrically-distributed inner threaded pipes are installed in the fixing frame through bearings, and threaded rods are connected to the interiors of the inner threaded pipes through threads. The inner threaded pipe, the screw rod, the balance plate and other structures are additionally arranged on the fixing frame, in the using process, the inner threaded pipe can be driven to rotate through the servo motor, and then the balance plate is driven to move through threaded fit between the screw rod and the inner threaded pipe; in the moving process of the balance plate, the position of the plate above the conveying belt can be adjusted, and therefore deviation of the plate can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of balancing mechanisms, in particular to a feeding balancing mechanism of an EVA laminating mechanism. Background Art

[0002] EVA has excellent low-temperature resistance and a low thermal decomposition temperature of approximately 230°C. EVA can be applied to the outside of some sheets. During the laminating process, the EVA can be applied by a laminating machine. This process can easily cause the sheets to shift, resulting in reduced laminating accuracy. Furthermore, during laminating, sheets can easily accumulate at the laminating machine's feed port, affecting balanced feeding. Therefore, improvements to the existing technology are needed. Utility Model Content

[0003] The utility model aims to provide a feeding balancing mechanism for an EVA laminating mechanism, which solves the problems that the feeding position is easily offset and the feeding speed balance is inconvenient to control.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a feeding balancing mechanism of an EVA laminating mechanism, comprising a base, the upper end of the base is fixedly connected to a fixing plate, the upper end of the base is fixedly connected to a feeding rack, the upper end of the feeding rack is fixedly connected to a fixing frame, an auxiliary mechanism is provided inside the fixing frame, the middle part of the upper end of the base is fixedly connected to a fixing frame, two symmetrically distributed internal threaded tubes are installed inside the fixing frame through bearings, the interior of the internal threaded tube is connected to a screw through a thread, one end of the screw is fixedly connected to a balancing plate, the outer side of the internal threaded tube is fixedly connected to a driven wheel, two symmetrically distributed servo motors are fixedly installed inside the fixing frame, the outer side of the output shaft of the servo motor is fixedly connected to a driving wheel, and the outer side of the balance plate is fixedly connected to two symmetrically distributed guide rods.

[0005] Preferably, a belt is sleeved on the outer side of the driving wheel, and the belt is sleeved on the outer side of the driven wheel, and the belt can transmit power.

[0006] Preferably, a guide sleeve is fixedly connected to the outer side of the fixing frame, and the guide sleeve is slidably connected to the guide rod. The guide sleeve can guide the movement of the balance board through the guide rod.

[0007] Preferably, the interior of the fixed plate is connected to a driving roller via a bearing, and the outer side of the driving roller is sleeved with a conveyor belt, which can transport the plate.

[0008] Preferably, the auxiliary mechanism includes connecting pins, and a plurality of evenly distributed connecting pins are slidably connected to the interior of the fixed frame. The lower end of the connecting pin is fixedly connected to a roller frame, and a rubber roller is installed inside the roller frame through a bearing. A spring is provided on the outside of the connecting pin, and the rubber roller can control the feeding of the plate through friction.

[0009] Preferably, a stepper motor is installed on the outer side of the roller frame, and the output shaft of the stepper motor is fixedly connected to the rubber roller. The stepper motor can drive the rubber roller to rotate forward or reverse, which belongs to the existing technology.

[0010] Preferably, one end of the spring is fixedly connected to the roller frame, and the other end of the spring is fixedly connected to the fixed frame, and the spring can support the roller frame through elastic force.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0012] 1. The utility model adds structures such as an internal threaded tube, a screw and a balance plate to a fixed frame. During use, the internal threaded tube can be driven to rotate by a servo motor, and then the balance plate is driven to move by the threaded fit between the screw and the internal threaded tube. The balance plate can adjust the position of the plate above the conveyor belt during movement, thereby preventing the plate from shifting.

[0013] 2. The utility model adds a fixed frame, a rubber roller and a stepper motor to the feed rack. During use, the rubber roller can be supported by a spring, and the stepper motor can drive the rotation of the rubber roller to control the feeding, thereby effectively maintaining the feeding balance and preventing the plate from being blocked inside the laminating machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a three-dimensional diagram of the overall structure of the utility model;

[0015] Figure 2 For the utility model Figure 1 A magnified perspective view of the fixing frame;

[0016] Figure 3 For the utility model Figure 1 A three-dimensional enlarged view of the fixed frame;

[0017] Figure 4 For the utility model Figure 3 A magnified perspective view of the rubber roller.

[0018] In the figure: 1. Base; 2. Fixed plate; 3. Driving roller; 4. Conveyor belt; 5. Feed rack; 6. Fixed frame; 7. Auxiliary mechanism; 8. Fixed frame; 9. Internally threaded tube; 10. Screw; 11. Balance plate; 12. Driven pulley; 13. Belt; 14. Servo motor; 15. Driving wheel; 16. Guide rod; 17. Guide sleeve; 71. Connecting pin; 72. Roller rack; 73. Rubber roller; 74. Stepper motor; 75. Spring. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] See also Figure 1 、 Figure 2 A feeding balancing mechanism of an EVA laminating mechanism includes a base 1, a fixed plate 2 is fixedly connected to the upper end of the base 1, a feeding rack 5 is fixedly connected to the upper end of the base 1, a fixed frame 6 is fixedly connected to the upper end of the feeding rack 5, an auxiliary mechanism 7 is arranged inside the fixed frame 6, a fixed rack 8 is fixedly connected to the middle part of the upper end of the base 1, two symmetrically distributed internal threaded tubes 9 are installed inside the fixed rack 8 through bearings, a screw 10 is connected to the inside of the internal threaded tube 9 through a thread, a balancing plate 11 is fixedly connected to one end of the screw 10, a driven wheel 12 is fixedly connected to the outside of the internal threaded tube 9, two symmetrically distributed servo motors 14 are fixedly installed inside the fixed rack 8, a driving wheel 15 is fixedly connected to the outside of the output shaft of the servo motor 14, and two symmetrically distributed guide rods 16 are fixedly connected to the outside of the balancing plate 11.

[0021] See also Figure 1 、 Figure 2 The outer side of the driving wheel 15 is sleeved with a belt 13, and the belt 13 is sleeved on the outer side of the driven wheel 12. The belt 13 can transmit power. The outer side of the fixed frame 8 is fixedly connected with a guide sleeve 17, and the guide sleeve 17 is slidably connected to the guide rod 16. The guide sleeve 17 can guide the movement of the balance plate 11 through the guide rod 16. The inside of the fixed plate 2 is connected to the driving roller 3 through a bearing. The outer side of the driving roller 3 is sleeved with a conveyor belt 4, and the conveyor belt 4 can transport the plate.

[0022] See also Figure 1 、 Figure 3 、 Figure 4The auxiliary mechanism 7 includes a connecting pin 71, and the interior of the fixed frame 6 is slidably connected to a plurality of evenly distributed connecting pins 71. The lower end of the connecting pin 71 is fixedly connected to a roller frame 72. A rubber roller 73 is installed inside the roller frame 72 through a bearing. A spring 75 is provided on the outside of the connecting pin 71. The rubber roller 73 can control the feeding of the plate through friction. A stepping motor 74 is installed on the outside of the roller frame 72. The output shaft of the stepping motor 74 is fixedly connected to the rubber roller 73. The stepping motor 74 can drive the rubber roller 73 to rotate forward or reverse, which belongs to the existing technology. One end of the spring 75 is fixedly connected to the roller frame 72, and the other end of the spring 75 is fixedly connected to the fixed frame 6. The spring 75 can support the roller frame 72 through elastic force.

[0023] The specific implementation process of the utility model is as follows: when in use, the plate is placed above the conveyor belt 4, and the driving roller 3 is driven to rotate by the driving structure of the laminating machine. The driving roller 3 can transport the plate during the rotation process. During the transportation process, two servo motors 14 are started at the same time. The servo motors 14 drive the two driving wheels 15 to rotate in the same direction. The driving wheel 15 drives the internal threaded tube 9 inside the driven wheel 12 to rotate through the belt 13. During the rotation process, the internal threaded tube 9 can drive the balance plate 11 to move through the thread cooperation between the screw 10. During the movement of the two balance plates 11 in opposite directions, the plate can be pushed to the middle position of the conveyor belt 4 to prevent the plate from deflecting.

[0024] When the plate moves to the bottom of the rubber roller 73, the plate contacts the rubber roller 73. When feeding is required, the stepper motor 74 is started, and the stepper motor 74 drives the rubber roller 73 to rotate. During the rotation process, the rubber roller 73 can feed the plate through the friction between the plate and the rubber roller 73.

[0025] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A feeding balancing mechanism of an EVA laminating mechanism, comprising a base (1), characterized in that: The upper end of the base (1) is fixedly connected to a fixing plate (2), the upper end of the base (1) is fixedly connected to a feeding rack (5), the upper end of the feeding rack (5) is fixedly connected to a fixing frame (6), an auxiliary mechanism (7) is provided inside the fixing frame (6), the middle part of the upper end of the base (1) is fixedly connected to a fixing frame (8), the interior of the fixing frame (8) is installed with two symmetrically distributed internal threaded tubes (9) through bearings, the interior of the internal threaded tube (9) is connected with a screw (10) through a thread, one end of the screw (10) is fixedly connected to a balancing plate (11), the outer side of the internal threaded tube (9) is fixedly connected to a driven wheel (12), the interior of the fixing frame (8) is fixedly installed with two symmetrically distributed servo motors (14), the outer side of the output shaft of the servo motor (14) is fixedly connected to a driving wheel (15), and the outer side of the balancing plate (11) is fixedly connected with two symmetrically distributed guide rods (16).

2. The feeding balancing mechanism of the EVA laminating mechanism according to claim 1, characterized in that: A belt (13) is sleeved on the outer side of the driving wheel (15), and the belt (13) is sleeved on the outer side of the driven wheel (12).

3. The feeding balance mechanism of the EVA laminating mechanism according to claim 1, characterized in that: A guide sleeve (17) is fixedly connected to the outer side of the fixing frame (8), and the guide sleeve (17) is slidably connected to the guide rod (16).

4. The feeding balancing mechanism of the EVA laminating mechanism according to claim 1, characterized in that: The interior of the fixed plate (2) is connected to a driving roller (3) via a bearing, and the outer side of the driving roller (3) is sleeved with a conveyor belt (4).

5. The feeding balancing mechanism of the EVA laminating mechanism according to claim 1, characterized in that: The auxiliary mechanism (7) comprises a connecting pin (71), a plurality of evenly distributed connecting pins (71) are slidably connected to the interior of the fixed frame (6), a roller frame (72) is fixedly connected to the lower end of the connecting pin (71), a rubber roller (73) is installed inside the roller frame (72) via a bearing, and a spring (75) is provided on the outside of the connecting pin (71).

6. The feeding balancing mechanism of the EVA laminating mechanism according to claim 5, characterized in that: A stepper motor (74) is installed on the outer side of the roller frame (72), and the output shaft of the stepper motor (74) is fixedly connected to the rubber roller (73).

7. The feeding balancing mechanism of the EVA laminating mechanism according to claim 5, characterized in that: One end of the spring (75) is fixedly connected to the roller frame (72), and the other end of the spring (75) is fixedly connected to the fixed frame (6).

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