Food packaging heat-sealing device

Abstract

The utility model discloses a food packaging heat sealing device which comprises a box body, a conveying belt is installed in the box body, a transmission motor is fixed to the outer wall of one side of the box body, the output end of the transmission motor is connected with the conveying belt, a controller is fixed to the bottom of the box body, a photoelectric switch is installed on one side of the inner wall of the box body, and the photoelectric switch is connected with the controller. Hydraulic cylinders are installed on the two sides of the box body, fixing plates are welded to the telescopic ends of the hydraulic cylinders, a lead screw is rotatably installed at the top end of the inner wall of the box body, a rotating motor is installed on the outer wall of one side of the box body, the output end of the rotating motor is connected with the lead screw, and a first moving block and a second moving block are in threaded fit with the lead screw. The bottom face of the first moving block is connected with a first heat sealing block, and the bottom face of the second moving block is connected with a second heat sealing block. Through the arrangement of the transmission motor, the conveying belt, the photoelectric switch and the controller, automatic heat sealing of the packaging belt is achieved, manpower is saved, and working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of food packaging, in particular to a food packaging heat sealing device. Background Art

[0002] As people's living standards improve, food choices are more diverse. In the field of food processing, it is often necessary to package food in packaging bags and seal them with heat sealing devices. After packaging, food is not only easy to transport, but also helps to preserve the food during transportation. Heat pressure sealing is to use a heat sealer to heat the material at the sealing part of the packaging bag, so that it reaches a viscous state and then pressurizes it to make it sticky and sealed.

[0003] For example, the Chinese patent publication number CN 206615462 U discloses a heat sealing device for food packaging bags, including a heat sealing base, a lower heat sealing head, an upper heat sealing head, a swing shaft, a connecting shaft, a motor, a motor support plate, a rotating screw, an upper slide plate, a slider, a sleeve, a lower slide plate and a frame, wherein the lower heat sealing head is mounted on the upper end of the heat sealing base, the upper heat sealing head is mounted on the lower end of the swing shaft, one end of the swing shaft is hinged on the frame, the other end of the swing shaft is connected to the connecting shaft through a pin shaft, the upper end of the connecting shaft is connected to a slider, a sleeve is installed on the back of the slider, the two sides of the slider are respectively connected to the upper slide plate and the lower slide plate through guide rollers, the rotating screw is sleeved in the sleeve and one end is connected to the motor, and the motor is mounted on the motor mounting plate.

[0004] The device drives the swing rod to move up and down intermittently through a connecting rod, so that the upper heat sealing head and the lower heat sealing head intermittently contact and separate, thereby achieving rapid heat sealing of the packaging bag. However, it requires manual placement of the packaging bag, and the production efficiency is low. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a food packaging heat sealing device.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A food packaging heat sealing device comprises a box body, a conveyor belt is installed inside the box body, a transmission motor is fixed to an outer wall of one side of the box body, the output end of the transmission motor is connected to the conveyor belt, a controller is fixed to the bottom of the box body, and a photoelectric switch is installed on one side of the inner wall of the box body.

[0008] As a further solution of the utility model: hydraulic cylinders are installed on both sides of the box body, the telescopic ends of the hydraulic cylinders penetrate the outer wall of the box body and are welded with fixing plates, and the bottom surface of the box body is welded with pillars.

[0009] As a further solution of the utility model: a lead screw is rotatably installed on the top of the inner wall of the box body, a rotating motor is installed on the outer wall of one side of the box body, and the output end of the rotating motor is connected to the lead screw.

[0010] As a further solution of the utility model: a sliding rod is welded on the inner wall of the box body, and the sliding rod is located on both sides of the lead screw. The lead screw is threaded with a moving block 1 and a moving block 2, and the moving block 1 and the moving block 2 are installed relatively.

[0011] As a further solution of the utility model: both ends of the moving block 1 and the moving block 2 are provided with limiting holes for sliding cooperation with the slide rod, the bottom surface of the moving block 1 is connected to the heat sealing block 1, and the bottom surface of the moving block 2 is connected to the heat sealing block 2.

[0012] As a further solution of the utility model: both sides of the bottom surfaces of the moving block 1 and the moving block 2 are welded with limiting rods, and the bottom ends of the limiting rods are welded with limiting plates.

[0013] As a further solution of the utility model: the limit rod is slidably matched with a lifting block 1 and a lifting block 2, the lifting block 1 is connected to the moving block through a first telescopic rod, and the lifting block 2 is connected to the moving block 2 through a second telescopic rod.

[0014] As a further solution of the utility model: the heat sealing block 1 is installed on one side of the lifting block 1, and the heat sealing block 2 is installed on one side of the lifting block 2.

[0015] Compared with the prior art, the utility model provides a food packaging heat sealing device, which has the following beneficial effects:

[0016] 1. The utility model realizes automatic heat sealing of the packaging belt by arranging a transmission motor, a conveyor belt, a photoelectric switch and a controller, thereby saving manpower and improving work efficiency.

[0017] 2. The utility model realizes squeezing and fixing of the packaging bag by providing a hydraulic cylinder and a fixing plate, thereby preventing the placement of the packaging bag from affecting the heat sealing effect.

[0018] 3. The utility model realizes the adjustment of the height of the heat sealing block 1 and the heat sealing block 2 by providing the first telescopic rod, the second telescopic rod, the lifting block 1, the lifting block 2 and the limiting rod, which is beneficial for the device to heat seal packaging bags of different heights and improves the applicability of the device.

[0019] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. The utility model has a simple structure and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1This is a schematic diagram of the overall structure of a food packaging heat sealing device proposed by the utility model;

[0021] Figure 2 This is a schematic diagram of the back structure of a food packaging heat sealing device proposed by the utility model;

[0022] Figure 3 This is a cross-sectional view of a food packaging heat sealing device proposed by the utility model;

[0023] Figure 4 The utility model is a side sectional view of a food packaging heat sealing device.

[0024] In the figure: 1-box, 2-conveyor belt, 3-pillar, 4-controller, 5-transmission motor, 6-hydraulic cylinder, 7-fixed plate, 8-photoelectric switch, 9-screw, 10-rotating motor, 11-sliding rod, 12-lifting block 1, 13-lifting block 2, 14-heat sealing block 1, 15-heat sealing block 2, 16-limiting plate, 17-limiting rod, 18-moving block 1, 19-moving block 2, 20-first telescopic rod, 21-second telescopic rod. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0027] Example 1

[0028] A food packaging heat sealing device, comprising a box body 1, such as Figures 1 to 4As shown, the bottom surface of the box 1 is welded with a support 3, a conveyor belt 2 is installed inside the box 1, a transmission motor 5 is fixed to the outer wall of one side of the box 1, and the output end of the transmission motor 5 is connected to the conveyor belt 2, a controller 4 is fixed to the bottom of the box 1, a photoelectric switch 8 is installed on one side of the inner wall of the box 1, hydraulic cylinders 6 are installed on both sides of the box 1, and the telescopic end of the hydraulic cylinder 6 passes through the outer wall of the box 1 and is welded with a fixing plate 7, a lead screw 9 is rotatably installed on the top of the inner wall of the box 1, and a rotating The rotating motor 10 has an output end connected to the lead screw 9, a slide bar 11 is welded to the inner wall of the box body 1, and the slide bar 11 is located on both sides of the lead screw 9. A moving block 18 and a moving block 2 19 are threadedly matched on the lead screw 9, and the moving block 18 and the moving block 2 19 are relatively installed. Both ends of the moving block 18 and the moving block 2 19 are provided with limiting holes that slide with the slide bar 11, the bottom surface of the moving block 18 is connected to a heat sealing block 14, and the bottom surface of the moving block 2 19 is connected to a heat sealing block 2 15.

[0029] During operation, the packaging belt is placed on the conveyor belt 2, and the transmission motor 5 is started, so that the conveyor belt 2 drives the packaging bag to move. When the photoelectric switch 8 detects the packaging bag, the photoelectric switch 8 transmits a signal to the controller 4, and the controller 4 controls the transmission motor 5 to turn off, the conveyor belt 2 stops working and the hydraulic cylinder 6 is started, pushing the fixed plate 7 to fix the packaging bag, and the rotating motor 10 is started to make the moving block 18 and the moving block 2 19 move relative to each other along the slide bar 11, driving the heat sealing block 14 and the heat sealing block 2 15 to heat-seal the packaging bag. After the heat sealing is completed, the controller 4 controls the hydraulic cylinder 6 to retract the fixed plate 7, and the transmission motor 5 is started. When the photoelectric switch 8 detects the packaging bag again, the above operation is repeated to heat-seal the packaging bag.

[0030] By providing a transmission motor 5, a conveyor belt 2, a photoelectric switch 8 and a controller 4, automatic heat sealing of the packaging belt is realized, which saves manpower and improves work efficiency. By providing a hydraulic cylinder 6 and a fixing plate 7, the packaging bag is squeezed and fixed, and the placement of the packaging bag is prevented from affecting the heat sealing effect.

[0031] Example 2

[0032] A food packaging heat sealing device, this embodiment makes the following improvements under the conditions of embodiment 1, such as Figure 3 , Figure 4As shown, both sides of the bottom surface of the moving block 18 and the moving block 2 19 are welded with limiting rods 17, and the bottom end of the limiting rod 17 is welded with a limiting plate 16. The limiting rod 17 is slidably matched with the lifting block 12 and the lifting block 2 13. The lifting block 12 and the moving block 18 are connected by a first telescopic rod 20, and the lifting block 2 13 and the moving block 2 19 are connected by a second telescopic rod 21. The heat sealing block 14 is installed on one side of the lifting block 12, and the heat sealing block 2 15 is installed on one side of the lifting block 2 13.

[0033] When heat-sealing packaging bags of different heights, the first telescopic rod 20 and the second telescopic rod 21 respectively push the lifting block 12 and the lifting block 2 13 to move along the limiting rod 17, and adjust the height of the heat-sealing block 14 and the heat-sealing block 2 15, which is beneficial for the device to heat-seal packaging bags of different heights and improves the applicability of the device.

[0034] Working principle: When working, place the packaging belt on the conveyor belt 2, start the transmission motor 5, and make the conveyor belt 2 drive the packaging bag to move. When the photoelectric switch 8 detects the packaging bag, the photoelectric switch 8 transmits the signal to the controller 4, and the controller 4 controls the transmission motor 5 to turn off, the conveyor belt 2 stops working and the hydraulic cylinder 6 starts, pushing the fixed plate 7 to fix the packaging bag, and the rotating motor 10 starts, so that the moving block 18 and the moving block 2 19 move relative to each other along the slide bar 11, driving the heat sealing block 14 and the heat sealing block 2 15 to heat seal the packaging bag. After the heat sealing is completed, the controller 4 controls the hydraulic cylinder 6 to retract the fixed plate 7, and the transmission motor 5 starts. When the photoelectric switch 8 detects the packaging bag again, repeat the above operation to heat seal the packaging bag. When heat sealing packaging bags of different heights, the first telescopic rod 20 and the second telescopic rod 21 respectively push the lifting block 12 and the lifting block 2 13 to move along the limit rod 17 to adjust the height of the heat sealing block 14 and the heat sealing block 2 15.

[0035] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A food packaging heat sealing device, comprising a box (1), characterized in that: A conveyor belt (2) is installed inside the box (1), a transmission motor (5) is fixed to an outer wall of one side of the box (1), an output end of the transmission motor (5) is connected to the conveyor belt (2), a controller (4) is fixed to the bottom of the box (1), and a photoelectric switch (8) is installed on one side of the inner wall of the box (1).

2. A food packaging heat sealing device according to claim 1, characterized in that: Hydraulic cylinders (6) are installed on both sides of the box body (1), and the telescopic ends of the hydraulic cylinders (6) penetrate the outer wall of the box body (1) and are welded with fixed plates (7), and the bottom surface of the box body (1) is welded with pillars (3).

3. A food packaging heat sealing device according to claim 1, characterized in that: A lead screw (9) is rotatably mounted on the top of the inner wall of the box body (1), and a rotating motor (10) is mounted on one side of the outer wall of the box body (1), wherein the output end of the rotating motor (10) is connected to the lead screw (9).

4. A food packaging heat sealing device according to claim 1, characterized in that: A slide bar (11) is welded on the inner wall of the box body (1), and the slide bar (11) is located on both sides of the lead screw (9). The lead screw (9) is threadedly matched with a moving block 1 (18) and a moving block 2 (19), and the moving block 1 (18) and the moving block 2 (19) are installed relative to each other.

5. A food packaging heat sealing device according to claim 4, characterized in that: Both ends of the moving block 1 (18) and the moving block 2 (19) are provided with limiting holes for slidingly cooperating with the slide rod (11); the bottom surface of the moving block 1 (18) is connected to the heat sealing block 1 (14); and the bottom surface of the moving block 2 (19) is connected to the heat sealing block 2 (15).

6. A food packaging heat sealing device according to claim 4, characterized in that: Limiting rods (17) are welded to both sides of the bottom surface of the moving block 1 (18) and the moving block 2 (19), and a limiting plate (16) is welded to the bottom end of the limiting rod (17).

7. A food packaging heat sealing device according to claim 6, characterized in that: The limiting rod (17) is slidably matched with a lifting block 1 (12) and a lifting block 2 (13); the lifting block 1 (12) and the moving block 1 (18) are connected via a first telescopic rod (20); and the lifting block 2 (13) and the moving block 2 (19) are connected via a second telescopic rod (21).

8. A food packaging heat sealing device according to claim 5, characterized in that: The heat sealing block 1 (14) is installed on one side of the lifting block 1 (12), and the heat sealing block 2 (15) is installed on one side of the lifting block 2 (13).

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