Heat sealing device for inner package of paper tableware

Abstract

The utility model discloses a paper tableware inner package heat sealing device which comprises a machine frame and a film wrapping conveying assembly, a conveying belt is installed on the side, located on the film wrapping conveying assembly, of the top of the machine frame, and two L-shaped supports are fixedly installed on the side, located on the conveying belt, of the top of the machine frame. The film wrapping and conveying assembly is composed of two sets of bearing rollers and a film conveying roller located under the two sets of bearing rollers, a punching mechanism is arranged on one side of the film wrapping and conveying assembly, an auxiliary conveying piece is arranged on the other side of the film wrapping and conveying assembly, and the film wrapping and conveying assembly, the auxiliary conveying piece and the punching mechanism are all installed between the two sets of L-shaped supports; the punching roller is composed of the fixed end and the movable end, the fixed end and the movable end are connected in a rotating mode, film penetrating is convenient when the punching roller is used for the first time, meanwhile, the spring is hung at the rotating connecting position of the fixed end and the movable end, it is guaranteed that the pinwheel can be tightly attached to the surface of the punching roller through the tension of the spring, and therefore the punching efficiency can be improved, and the punching forming rate can be increased.

Description

Technical Field

[0001] This utility model relates to the technical field of heat-sealing packaging equipment, specifically a heat-sealing device for inner packaging of paper tableware. Background Technology

[0002] Existing heat-sealing methods, specifically the machinery used to produce packaging bags from plastic film, consist of a frame. The frame houses components such as film feeding, heat sealing, length setting, hand winding, power supply, and transmission mechanisms. Heat-sealing machines primarily utilize electrical energy converted into heat energy to seal the bag opening. They are widely used in enterprise production processes. After production, products are placed inside packaging bags, and the bag opening is then placed on the heat-sealing machine for heat sealing.

[0003] The existing heat sealing device has small and insufficient pinholes on the rotating mold wheel, which causes the gas in the inner packaging of the heat-sealed product to not be released in time. This causes the heat shrink film to expand and is difficult to print on. It is necessary to arrange for a special person to re-punch holes to release the gas before the subsequent printing process can be completed.

[0004] Therefore, those skilled in the art have provided a heat-sealing device for the inner packaging of paper tableware to solve the problems mentioned in the background art. Utility Model Content

[0005] The purpose of this invention is to provide a heat-sealing device for the inner packaging of paper tableware to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A heat-sealing device for inner packaging of paper tableware includes a frame and a film-coating conveyor assembly. A conveyor belt is installed on the top of the frame on one side of the film-coating conveyor assembly. A coding machine is also installed on the top of the frame at one end of the conveyor belt. Two sets of L-shaped brackets are fixedly installed on the top of the frame on one side of the conveyor belt. The film-coating conveyor assembly consists of two sets of support rollers and a film-feeding roller located directly below the two sets of support rollers. A punching mechanism is provided on one side of the film-coating conveyor assembly, and an auxiliary conveyor is provided on the other side of the film-coating conveyor assembly. The film-coating conveyor assembly, the auxiliary conveyor, and the punching mechanism are all installed between the two sets of L-shaped brackets.

[0008] As a further embodiment of this utility model, a packaging film is placed between the two sets of support rollers, and a square rod A is fixedly installed between the two sets of L-shaped brackets and directly below the middle of the two sets of support rollers. Two sets of stop rods are slidably installed on the square rod A through a sleeve, and a locking bolt structure is installed through the bottom of the sleeve of the stop rod and bolted on it.

[0009] As a further embodiment of this utility model, a square rod B is fixedly installed between the two sets of L-shaped brackets and on one side of the support roller. Several sets of punching mechanisms are slidably installed on the square rod B. The punching mechanism includes a fixed end and a movable end. The fixed end is sleeved and slidably installed with the square rod B, and a locking bolt structure is installed through the top of the fixed end.

[0010] As a further embodiment of this utility model, a movable end is rotatably mounted on one end of the fixed end, a spring is inclinedly mounted on the side wall of the rotatable connection between the fixed end and the movable end, and a needle wheel is rotatably mounted on the bottom of one end of the movable end, with several sets of punching needles arranged at equal angles on the circumference of the needle wheel.

[0011] As a further embodiment of this utility model, a punching roller is also provided between the two sets of L-shaped brackets, with the surface of the punching roller closely attached to the punching needle of the needle wheel.

[0012] As a further embodiment of this utility model, the auxiliary conveying component includes roller A, roller B and roller C. Roller B and roller C are arranged parallel to each other. Connecting rods are rotatably installed on the side walls of two sets of L-shaped supports. A gravity roller is rotatably installed at one end of the connecting rod. The gravity roller is located below roller B and roller C. The two sets of film feeding rollers are arranged in close contact with each other.

[0013] As a further embodiment of this utility model, the bottom of the two sets of L-shaped brackets is fixedly mounted with side plates, and the rollers A can be adjusted up and down on the two sets of side plates through rectangular through holes.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] 1. The punching mechanism consists of a fixed end and a movable end, which are connected by a rotating connection. This makes it easy to thread the film during the first use. At the same time, a spring is attached to the rotating connection between the fixed end and the movable end. The tension of the spring ensures that the needle wheel can be tightly attached to the surface of the punching roller, thus improving the punching efficiency and the punching formation rate.

[0016] 2. By setting denser and larger diameter punches on the needle wheel, air inside the film can be quickly discharged, eliminating the need for a dedicated person to separately vent the sealed product, and also effectively improving the accuracy of subsequent coding. Attached Figure Description

[0017] Figure 1 A schematic diagram of the overall isometric view of a heat-sealing device for inner packaging of paper tableware;

[0018] Figure 2 A schematic diagram of the assembly structure of the film conveying component and auxiliary conveying component of a heat sealing device for inner packaging of paper tableware;

[0019] Figure 3A schematic diagram of the film-passing structure of a heat-sealing device for inner packaging of paper tableware;

[0020] Figure 4 This is a schematic diagram showing the disassembled structure of the punching mechanism in a heat-sealing device for the inner packaging of paper tableware.

[0021] In the diagram: 1. Frame; 101. Conveyor belt; 102. Roller A; 103. L-shaped bracket; 104. Stop bar; 105. Packaging film; 106. Support roller; 107. Square rod A; 108. Roller B; 109. Roller C; 110. Gravity roller; 111. Connecting rod; 112. Film feeding roller; 113. Perforating roller; 114. Side plate; 2. Perforating mechanism; 201. Square rod B; 202. Spring; 203. Moving end; 204. Needle wheel; 205. Fixed end. Detailed Implementation

[0022] Please see Figures 1-4 In this embodiment of the utility model, a heat-sealing device for inner packaging of paper tableware includes a frame 1 and a film conveying assembly. A conveyor belt 101 is installed on the top of the frame 1 on one side of the film conveying assembly, and a coding machine is also provided on the top of the frame 1 at one end of the conveyor belt 101.

[0023] like Figures 1-4 As shown, two sets of L-shaped brackets 103 are fixedly installed on the top of the frame 1 on one side of the conveyor belt 101. The film conveying assembly consists of two sets of support rollers 106 and a film feeding roller 112 located directly below the two sets of support rollers 106. A punching mechanism 2 is provided on one side of the film conveying assembly, and an auxiliary conveying component is provided on the other side of the film conveying assembly. The film conveying assembly, the auxiliary conveying component, and the punching mechanism 2 are all installed between the two sets of L-shaped brackets 103. A packaging film 105 is placed between the two sets of support rollers 106. A square rod A107 is fixedly installed between the two sets of L-shaped brackets 103 and directly below the middle of the two sets of support rollers 106. Two sets of stop rods 104 are slidably installed on the square rod A107 through a sleeve. The bottom of the sleeve of the stop rod 104 is penetrated and a locking bolt structure is installed through bolts.

[0024] The packaging film 105 is placed between two sets of support rollers 106. The two sets of baffles 104 are moved to bring them close to the protruding cores at both ends of the packaging film 105. The baffles 104 can ensure that the packaging film 105 rotates smoothly and prevent it from coming off the two sets of support rollers 106 during rotation.

[0025] like Figures 1-4As shown, a square rod B201 is fixedly installed between two sets of L-shaped brackets 103 and on one side of the support roller 106. Several sets of punching mechanisms 2 are slidably installed on the square rod B201. The punching mechanism 2 includes a fixed end 205 and a movable end 203. The fixed end 205 is sleeved and slidably installed with the square rod B201, and a locking bolt structure is installed through the top of the fixed end 205. The movable end 203 is rotatably installed at one end of the fixed end 205. A spring 202 is installed obliquely on the side wall of the rotatable connection between the fixed end 205 and the movable end 203. A needle wheel 204 is rotatably installed at the bottom of one end of the movable end 203. Several sets of punching needles are set at equal angles on the circumference of the needle wheel 204. A punching roller 113 is also set between the two sets of L-shaped brackets 103. The surface of the punching roller 113 is set in close contact with the punching needles of the needle wheel 204.

[0026] The film head of the packaging film 105 passes between the needle wheel 204 and the perforating roller 113, and is conveyed by the film feeding roller 112. The packaging film 105 drives the needle wheel 204 to roll, and perforates the packaging film 105. Since the connection between the fixed end 205 and the movable end 203 is a rotating connection, it is convenient to thread the film when using it for the first time. At the same time, a spring 202 is hung on the side wall at the rotating connection between the fixed end 205 and the movable end 203. The tension of the spring 202 ensures that the needle wheel 204 can be tightly attached to the surface of the perforating roller 113, thus improving the perforation efficiency and the perforation formation rate. The needle wheel 204 is equipped with denser and larger diameter perforating needles, which allows the air inside the film to be quickly discharged, eliminating the need for a dedicated person to separately vent the sealed product. At the same time, it can also effectively improve the accuracy of subsequent coding.

[0027] like Figures 1-4 As shown, the auxiliary conveying components include rollers A102, B108, and C109. Rollers B108 and C109 are arranged parallel to each other. Connecting rods 111 are rotatably mounted on the side walls of two sets of L-shaped supports 103. A gravity roller 110 is rotatably mounted on one end of the connecting rod 111. The gravity roller 110 is located below rollers B108 and C109. Two sets of film feeding rollers 112 are arranged close to each other. Side plates 114 are fixedly mounted on the bottom of the two sets of L-shaped supports 103. Rollers A102 can be installed vertically and vertically on the two sets of side plates 114 through rectangular through holes. During the subsequent film coating process, rollers A102, B108, and C109 can provide more stable film coating and are less prone to deviation.

[0028] The working principle of this utility model is as follows: When using it for the first time, place the packaging film 105 on the support roller 106, pass the film head through the bottom of the support roller 106, and pass through the perforating roller 113, the film feeding roller 112, the roller C109, the gravity roller 110, the roller B108, and the roller A102 in sequence, and finally put it on the triangular plate above the conveyor belt 101.

[0029] During operation, the packaging film 105 is placed between two sets of support rollers 106. The two sets of baffles 104 are moved to bring them close to the protruding cores at both ends of the packaging film 105. The baffles 104 can ensure that the packaging film 105 rotates smoothly and prevent it from coming off the two sets of support rollers 106 during rotation.

[0030] The film head of the packaging film 105 passes between the needle wheel 204 and the perforating roller 113. During the conveying process of the packaging film 105, it drives the needle wheel 204 to rotate and perforate the packaging film 105. Since the connection between the fixed end 205 and the movable end 203 is a rotating connection, it is convenient to thread the film during the first use. At the same time, a spring 202 is hung on the side wall at the rotating connection between the fixed end 205 and the movable end 203. The tension of the spring 202 ensures that the needle wheel 204 can be tightly attached to the surface of the perforating roller 113, thus improving the perforation efficiency and the perforation formation rate. The needle wheel 204 is equipped with denser and larger diameter perforating needles, which allows the air inside the film to be quickly discharged, eliminating the need for a dedicated person to separately vent the sealed product. At the same time, it can also effectively improve the accuracy of subsequent coding.

[0031] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A heat-sealing device for inner packaging of paper tableware, comprising a frame (1) and a film conveying assembly, wherein a conveyor belt (101) is installed on the top of the frame (1) on one side of the film conveying assembly, and a coding machine is also provided at one end of the top of the frame (1) on the conveyor belt (101), characterized in that: The top of the frame (1) is fixedly installed with two sets of L-shaped brackets (103) on one side of the conveyor belt (101). The film conveying assembly consists of two sets of support rollers (106) and a film feeding roller (112) located directly below the two sets of support rollers (106). A punching mechanism (2) is provided on one side of the film conveying assembly, and an auxiliary conveying component is provided on the other side of the film conveying assembly. The film conveying assembly, the auxiliary conveying component, and the punching mechanism (2) are all installed between the two sets of L-shaped brackets (103).

2. The heat-sealing device for inner packaging of paper tableware according to claim 1, characterized in that, A packaging film (105) is placed between the two sets of support rollers (106). A square rod A (107) is fixedly installed between the two sets of L-shaped brackets (103) and directly below the middle of the two sets of support rollers (106). Two sets of stop rods (104) are slidably installed on the square rod A (107) through a sleeve. The bottom of the sleeve of the stop rod (104) is penetrated and a locking bolt structure is installed through the bolt.

3. The heat-sealing device for inner packaging of paper tableware according to claim 2, characterized in that, A square rod B (201) is fixedly installed between the two sets of L-shaped brackets (103) and on one side of the support roller (106). Several sets of punching mechanisms (2) are slidably installed on the square rod B (201). The punching mechanism (2) includes a fixed end (205) and a movable end (203). The fixed end (205) is sleeved with the square rod B (201) and slidably installed. A locking bolt structure is installed through the top of the fixed end (205).

4. The heat-sealing device for inner packaging of paper tableware according to claim 3, characterized in that, One end of the fixed end (205) is rotatably mounted with a movable end (203). A spring (202) is inclinedly mounted on the side wall of the rotatable connection between the fixed end (205) and the movable end (203). A needle wheel (204) is rotatably mounted on the bottom of one end of the movable end (203). Several sets of punching needles are set at equal angles on the circumference of the needle wheel (204).

5. A heat-sealing device for inner packaging of paper tableware according to claim 4, characterized in that, A punching roller (113) is also provided between the two sets of L-shaped brackets (103), and the surface of the punching roller (113) is set in close contact with the punching needle of the needle wheel (204).

6. A heat-sealing device for inner packaging of paper tableware according to claim 1, characterized in that, The auxiliary conveying components include roller A (102), roller B (108) and roller C (109). Roller B (108) and roller C (109) are arranged parallel to each other. Connecting rods (111) are rotatably installed on the side walls of two sets of L-shaped supports (103). A gravity roller (110) is rotatably installed at one end of the connecting rod (111). The gravity roller (110) is located below roller B (108) and roller C (109). Two sets of film feeding rollers (112) are arranged close to each other.

7. A heat-sealing device for inner packaging of paper tableware according to claim 6, characterized in that, The bottom of the two sets of L-shaped brackets (103) is fixedly mounted with side plates (114), and the rollers A (102) can be adjusted up and down through rectangular through holes on the two sets of side plates (114).

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