Glue barrel heating structure for high-capacity glue

Abstract

The utility model discloses a glue cylinder heating structure for high-capacity glue, which comprises a glue cylinder heating group, a glue cylinder adapter is inserted in the middle of the lower end of the glue cylinder heating group, the bottom end of the glue cylinder adapter is movably connected with a liquid box flow channel, and the side surface of the liquid box flow channel is sleeved with a flow channel heating group. When the rubber sleeve heating structure is used, through annular wrapping type heating, the heating conduction efficiency is improved, heating is uniform, the mass of the rubber sleeve heating structure is integrally reduced, and the production cost is reduced. And the rubber sleeve and the runner are flexibly assembled and can be quickly disassembled and assembled. And meanwhile, a valve body compensation structure is designed, so that the problems that a firing pin of the dispensing valve is subjected to transverse load due to the mounting reason of the dispensing valve, the centering performance of a dispensing nozzle is poor, and glue is discharged unevenly are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of rubber cylinder heating, in particular to a rubber cylinder heating structure for large-capacity glue. Background Art

[0002] Currently, traditional hot melt glue cartridges on the market are heated by heating rods. Unlike small-dose heating cartridges, large-capacity glue cartridges have larger heating structures. Traditional heating methods heat unevenly, have low heating efficiency, waste energy and materials, and are inconvenient to disassemble and install. Utility Model Content

[0003] The utility model aims to provide a glue cylinder heating structure for large-capacity glue to solve the problems raised in the above-mentioned background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A glue cartridge heating structure for large-capacity glue comprises a glue cartridge heating group, a glue cartridge adapter is inserted in the middle position of the lower end of the glue cartridge heating group, a liquid box flow channel is movably connected to the bottom end of the glue cartridge adapter, and the flow channel heating group is sleeved on the side of the liquid box flow channel.

[0006] As a further solution of the utility model, a dispensing valve body is fixedly connected to the upper right side of the flow channel heating group, and a heating tube bracket is movably sleeved on the outer side of the lower end of the glue tube heating group, and the rear ends of the dispensing valve body and the heating tube bracket are movably clamped on the surface of the fixed plate.

[0007] As a further solution of the utility model, the rubber cylinder heating group includes a heating cylinder base, the upper end of the heating group base is fixedly connected to a heating cylinder outer cylinder, and the upper end of the heating cylinder outer cylinder is plugged into a heating cylinder body.

[0008] As a further solution of the utility model, the upper end of the heating cylinder is fixedly connected with a rubber cylinder, the upper movable cover of the rubber cylinder is connected to the heating cylinder top cover, and the outer surface of the heating cylinder top cover is sleeved with a heat insulation cover.

[0009] As a further solution of the utility model, a liquid box is provided at the bottom end of the dispensing valve body, and the dispensing valve body and the liquid box are movably connected by an adjusting nut. A valve body fixing plate is provided on the side of the dispensing valve body, and a positioning pin is fixedly connected to the side of the fixing plate. The side of the valve body fixing plate is movably connected to the fixing plate, and the valve body fixing plate and the fixing plate are spliced ​​together by positioning pins and limit springs.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. When the utility model is used, the heating conduction efficiency is increased and the heating is uniform through the annular wrapping heating, which reduces the mass of the rubber barrel heating structure as a whole and reduces the production cost. The rubber barrel and the flow channel are flexible to assemble and disassemble quickly. At the same time, a valve body compensation structure is designed to solve the problem that the dispensing valve striker is subjected to lateral load due to the installation of the dispensing valve, thereby causing the dispensing nozzle to have poor centering and uneven dispensing. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The figure is a schematic diagram of a heating structure for a large-capacity glue cartridge.

[0013] Figure 2 This is an exploded view of the heating structure of a large-capacity glue cartridge.

[0014] Figure 3 The present invention is a schematic diagram of the structure of a glue cartridge heating group in a glue cartridge heating structure for large-capacity glue.

[0015] Figure 4 The figure is a schematic diagram of the connection structure of the fixed plate in a heating structure of a glue cylinder of large-capacity glue.

[0016] In the figure: 1. Rubber cartridge heating group; 101. Heating cartridge base; 102. Heating cartridge body; 103. Rubber cartridge; 104. Heating cartridge outer cylinder; 105. Heating cartridge top cover; 106. Heat insulation cover; 2. Rubber cartridge adapter; 3. Liquid box flow channel; 4. Flow channel heating group; 5. Dispensing valve body; 6. Heating cartridge bracket; 7. Fixing plate; 8. Adjusting nut; 9. Liquid box; 10. Valve body fixing plate; 11. Limit spring; 12. Positioning pin. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0018] In the present utility model, the word "exemplary" is used to mean "used as an example, illustration or description". Any embodiment described as "exemplary" in the present utility model is not necessarily to be construed as being more preferred or advantageous than other embodiments. The following description is given to enable any technician in the field to implement and use the present utility model. In the following description, details are listed for the purpose of explanation. It should be understood that a person of ordinary skill in the art can recognize that the present utility model can be implemented without using these specific details. In other examples, well-known structures and processes will not be elaborated in detail to avoid obscuring the description of the present utility model with unnecessary details. Therefore, the present utility model is not intended to be limited to the embodiments shown, but is consistent with the widest scope consistent with the principles and features disclosed in the present utility model.

[0019] Example

[0020] See also Figures 1 to 3 In an embodiment of the utility model, a rubber cartridge heating structure for large-capacity glue includes a rubber cartridge heating group 1, a rubber cartridge adapter 2 is inserted into the middle position of the lower end of the rubber cartridge heating group 1, a liquid box flow channel 3 is movably connected to the bottom end of the rubber cartridge adapter 2, and a flow channel heating group 4 is sleeved on the side of the liquid box flow channel 3.

[0021] For details, please refer to Figure 2 A quick-disassembly structure of a rubber cartridge 103 and a flow channel is introduced. The rubber cartridge 103 and the flow channel are fastened and connected via threads. The rubber cartridge 103 and the flow channel can be quickly disassembled and replaced without disassembling the back plate base, thereby improving the production and maintenance rate.

[0022] A dispensing valve body 5 is fixedly connected to the upper right side of the flow channel heating group 4, and a heating tube bracket 6 is movably sleeved on the outer side of the lower end of the glue tube heating group 1. The rear ends of the dispensing valve body 5 and the heating tube bracket 6 are movably clamped on the surface of the fixed plate 7.

[0023] The rubber cylinder heating group 1 comprises a heating cylinder base 101 , the upper end of which is fixedly connected to a heating cylinder outer cylinder 104 , and the upper end of the heating cylinder outer cylinder 104 is plugged with a heating cylinder body 102 .

[0024] The upper end of the heating cylinder 102 is fixedly connected with a rubber cylinder 103 , the upper end movable cover of the rubber cylinder 103 is connected with a heating cylinder top cover 105 , and the outer surface of the heating cylinder top cover 105 is sleeved with a heat insulation cover 106 .

[0025] Please refer to Figure 3For heating large-volume glue, a heating cylinder 102 structure is introduced, in which the heating cylinder 102 wraps the glue cylinder 103. Compared with the point-line heat transfer of the heating rod, this structure adopts an annular surface wrapping heating, which has more uniform heating, higher heating efficiency, and saves space and materials.

[0026] See also Figure 4 A liquid box 9 is provided at the bottom end of the dispensing valve body 5, and the dispensing valve body 5 and the liquid box 9 are movably connected by an adjusting nut 8. A valve body fixing plate 10 is provided on the side of the dispensing valve body 5, and a positioning pin 12 is fixedly connected to the side of the fixing plate 7. The side of the valve body fixing plate 10 is movably connected to the fixing plate 7. The valve body fixing plate 10 and the fixing plate 7 are spliced ​​together by the positioning pin 12 and the limit spring 11. The valve body fixing plate is fixed by the screw locking pressure and the reverse elastic force of the spring, and a small range of adjustment along the axial direction of the hole is allowed, which can compensate for the centering of the valve body striker and the liquid level assembly, and avoid affecting the smooth operation of the product due to processing accuracy and processing tolerance.

[0027] When the utility model is used, when the glue enters the interior of the rubber cartridge heating group 1, it passes through the multiple heating nodes of the rubber cartridge heating group 1 and is connected to form an annular wrapped heating, and then passes through the rubber cartridge adapter 2 and the liquid box flow channel 3 and finally flows out from the lower end of the dispensing valve body 5. At the same time, the rubber cartridge 103 is fastened to the flow channel by threads, and the rubber cartridge 103 and the flow channel can be quickly disassembled and replaced without disassembling the back plate base.

[0028] 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 large-capacity glue cylinder heating structure, characterized in that: The invention comprises a rubber cartridge heating group (1), a rubber cartridge adapter (2) is inserted into the middle position of the lower end of the rubber cartridge heating group (1), a liquid box flow channel (3) is movably connected to the bottom end of the rubber cartridge adapter (2), and a flow channel heating group (4) is sleeved on the side of the liquid box flow channel (3).

2. The large-capacity glue cartridge heating structure according to claim 1 is characterized in that: The upper right side of the flow channel heating group (4) is fixedly connected to a dispensing valve body (5), the outer side of the lower end of the glue cylinder heating group (1) is movably sleeved with a heating cylinder bracket (6), and the rear ends of the dispensing valve body (5) and the heating cylinder bracket (6) are movably clamped on the surface of the fixed plate (7).

3. The large-capacity glue cartridge heating structure according to claim 1 is characterized in that: The rubber cylinder heating group (1) comprises a heating cylinder base (101), wherein the upper end of the heating cylinder base (101) is fixedly connected to a heating cylinder outer cylinder (104), and the upper end of the heating cylinder outer cylinder (104) is internally plugged with a heating cylinder body (102).

4. The large-capacity glue cartridge heating structure according to claim 3 is characterized in that: The upper end of the heating cylinder (102) is fixedly connected to a rubber cylinder (103), the upper movable cover of the rubber cylinder (103) is connected to a heating cylinder top cover (105), and the outer surface of the heating cylinder top cover (105) is sleeved with a heat insulation cover (106).

5. The large-capacity glue cartridge heating structure according to claim 2, characterized in that: A liquid box (9) is provided at the bottom end of the dispensing valve body (5), and the dispensing valve body (5) and the liquid box (9) are movably connected via an adjusting nut (8). A valve body fixing plate (10) is provided on the side of the dispensing valve body (5), and a positioning pin (12) is fixedly connected to the side of the fixing plate (7). The side of the valve body fixing plate (10) is movably connected to the fixing plate (7), and the valve body fixing plate (10) and the fixing plate (7) are spliced ​​together via the positioning pin (12) and the limit spring (11).

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