Double-layer hose welding equipment

Abstract

The utility model discloses double-layer hose welding equipment, and belongs to the technical field of hose production. The welding equipment comprises a support and a frame, a double-layer hose is arranged on the support, a gap in the double-layer hose corresponds to an air nozzle, a welding rod is arranged in the gap, the frame is installed on the inner top of the support, a fan is installed in the frame, a hot air gun is installed on the frame, the fan is connected with the hot air gun through the hose, and the hot air gun is connected with the air nozzle. The tuyere is installed on the frame and used for being started through the draught fan to drive the hot air gun to conduct air draft on the tuyere, so that a welding rod in the gap is adsorbed firstly and then hot-melted on the inner side of the gap. The utility model provides brand-new double-layer hose welding equipment, the manufacturing problem of the double-layer hose is solved, that is, a double-layer sheet is rolled into the double-layer hose through the existing equipment, so that the welding strength of the double-layer hose welded in an inner-layer welding mode and an outer-layer welding mode is far higher than the strength requirement of raw materials.

Description

Technical Field

[0001] The utility model relates to double-layer hose welding equipment, belonging to the technical field of hose production. Background Art

[0002] At present, in the field of hose production, the pipe sleeve method is generally adopted, that is, the outer tube is directly sleeved on the inner tube. The applicant proposed to produce double-layer hoses by stacking double-layer sheets first, rolling them into pipes and then welding them. Among them: there is currently no equipment for rolling double-layer sheets into pipes and then welding them. In the prior art, only single-layer hoses are mainly made by injection molding. Utility Model Content

[0003] The utility model provides double-layer hose welding equipment, which solves the problem that there is no corresponding double-layer hose welding equipment in the prior art.

[0004] The technical problem to be solved by the utility model is achieved by adopting the following technical solutions:

[0005] A double-layer hose welding device, the welding device includes a bracket and a frame, a double-layer hose is arranged on the bracket, the gap on the double-layer hose corresponds to the nozzle, and a welding rod is arranged inside the gap, a frame is installed on the inner top of the bracket, fans are installed inside the frames, a hot air gun is installed on the frame, the fan is connected to the hot air gun through a hose, the hot air gun is connected to the nozzle, and the nozzle is installed on the frame, and is used to start the fan to drive the hot air gun to draw air to the nozzle, so that the welding rod inside the gap is first adsorbed and then hot-melted on the inner side of the gap and the external welding rod outside the gap is hot-melted to connect the outer layer of the double-layer hose.

[0006] Preferably, a welding rod limiter and a pressure wheel assembly are installed in sequence on the outer bottom of the frame, and the output end of the fan is connected to the hot air gun through a ventilation hose. The outlet end of the hot air gun extends out of the first frame and is connected to the air nozzle, so that the hose can perform welding rod limiting and pressing operations respectively when inner layer welding is performed.

[0007] Furthermore, the pressure wheel assembly includes a first pressure wheel, a telescopic column and a spring, one end of the telescopic column is installed on the first frame, the first pressure wheel is installed on the telescopic column, and one end of the spring is connected to the bottom of the first frame, and the other end is sleeved on the bracket on which the first pressure wheel is installed. The bottom of the first pressure wheel on the bracket extends out of the bracket, and is used to extend and retract the telescopic column relative to the first frame through the extension and contraction of the spring, thereby causing the first pressure wheel to move up and down relative to the hose, thereby achieving the purpose of tightening the weld after welding.

[0008] Preferably, the inner top of the bracket is connected to the frame via a first lifting assembly.

[0009] Furthermore, the first lifting assembly includes a first cylinder, a fixed end of the first cylinder is fixed to the top of the first bracket, an output end of the first cylinder is fixed to the top of the first frame, and guide rods are installed on the first bracket and the first frame. The installation direction of the guide rod on the first bracket is consistent with the movement direction of the output end of the first cylinder, and is used to drive the lifting of the first cylinder, so that the first frame is lifted and lowered in the first bracket, so that the electrode limiter, the first nozzle, and the first pressure wheel assembly located at the bottom of the first frame are lifted and lowered respectively, thereby meeting the requirements of welding inner electrodes of different thicknesses or meeting the requirements of hoses of different thicknesses.

[0010] Preferably, a hot air gun is also installed on the frame via a second lifting assembly.

[0011] Furthermore, the second lifting assembly is a linear guide rail, the fixed end of the first linear guide rail is fixed on the first frame, and the movable end of the first linear guide rail is installed on the hot air gun, which is used to drive the hot air gun to move up and down, so that the first air nozzle moves up and down, thereby meeting the requirements of welding inner layer electrodes of different thicknesses or meeting the requirements of hoses of different thicknesses.

[0012] It should be noted that the separation gap is arranged on the double-layer hose in the following manner: after the double-layer sheet is rolled into a double-layer tube, there is a separation gap to be closed in the double-layer tube.

[0013] Preferably, the inner layer material of the double-layer hose is polyester mesh non-woven fabric, and the outer layer material is resin.

[0014] It should be noted that in order to ensure the firmness of the first frame fixed on the first bracket, the side wall of the first bracket is also installed on the first frame through a connecting piece; in addition, in order to better realize the welding of the inner layer material, a first limit block for limiting the position of the hose is also provided on the first bracket.

[0015] The beneficial effects of the utility model are as follows: the utility model proposes a brand-new double-layer hose welding device, which solves the manufacturing problem of the double-layer hose, that is, the double-layer sheet is rolled into a double-layer hose through the existing equipment, the inner layer welding rod is first adsorbed to the inner side of the gap by the welding equipment and then welded, and then the outer layer welding rod is welded to the (hot-melt) outer side of the gap by the welding equipment to finally form a double-layer hose, so that the welding strength of the double hose welded by the inner layer welding and the outer layer welding method reaches far higher than the strength requirement of the raw materials; and the equipment performs welding operations on the double-layer hose, which solves the problem of welding the inner layer gap of the double-layer hose. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall production line involved in the welding process of the utility model;

[0017] Figure 2 for Figure 1Schematic diagram of the structure of part A;

[0018] In the figure: a bracket 1, a first cylinder 2, a frame 3, a fan 4, a first linear guide rail 5, a hot air gun 6, a pressure wheel 7, an air nozzle 8, a first limiting block 9, a welding rod limiting piece 10, and a spring 11. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects of the utility model easier to understand, the utility model is further described below in conjunction with specific illustrations and embodiments.

[0020] The double-layer hose used in the utility model is a double-layer sheet rolled into a tube, two sheets of different materials and the same width are stacked in sequence, that is, a sheet is placed first, and then a sheet of another material is placed on top of the sheet, but the two sheets are the same or different in width, and then the double-layer sheet is pulled by the pulling equipment on the production line, and the double-layer sheet is folded into a double-layer hose by the existing technology, and then the inner and outer sides of the seam are welded by the welding equipment respectively to ensure its sealing, and finally the double-layer hose is made;

[0021] Example 1

[0022] like Figure 1-2As shown, a double-layer hose production welding device includes a welding device (including a bracket 1 and a frame 3, the top of the inner part of the bracket 1 is fixed to the top of the bracket 1 by a first lifting assembly (the first lifting assembly includes a first cylinder 2, the fixed end of the first cylinder 2 is fixed to the top of the bracket 1, and the output end of the first cylinder 2 is fixed to the top of the frame 3, and the bracket 1 and the frame 3 are both installed with a guide rod, the installation direction of the guide rod on the bracket 1 is consistent with the movement direction of the output end of the cylinder 2, and is used to drive the lifting of the cylinder 2, so that the frame 3 is lifted and lowered in the bracket 1, so that the welding rod limit located at the bottom of the frame 3 The positioning member 10, the air nozzle 8, and the first pressure wheel assembly are respectively lifted and lowered to meet the requirements of welding polyester mesh non-woven fabric electrodes of different thicknesses or to meet the requirements of hoses of different thicknesses) and are connected to the frame 3, and fans 4 are respectively installed inside the frame 3. The frame 3 is also provided with a second lifting assembly (the second lifting assembly is a first linear guide rail 5, the fixed end of the first linear guide rail 5 is fixed to the frame 3, and the movable end of the first linear guide rail 5 is installed on the hot air gun 6, which is used to drive the hot air gun 6 to move up and down, so that the air nozzle 8 moves up and down, thereby meeting the requirements of welding polyester mesh non-woven fabric electrodes of different thicknesses or The frame 3 is provided with a hot air gun 6, and the outer bottom of the frame 3 is provided with a welding rod stopper 10, an air nozzle 8, and a pressure wheel assembly (the pressure wheel assembly includes a pressure wheel 7, a telescopic column and a spring 11, one end of the telescopic column is installed on the frame 3, the pressure wheel 7 is installed on the telescopic column, and one end of the spring 11 is connected to the bottom of the frame 3, and the other end is sleeved on the bracket on which the pressure wheel 7 is installed. The bottom of the pressure wheel 7 on the bracket 1 extends out of the bracket, which is used to extend and retract the telescopic column relative to the frame 3 through the extension and retraction of the spring 11, so that the pressure wheel 7 moves up and down relative to the hose. In this way, the purpose of pressing the welding point after welding is achieved), and the output end of the fan 4 is connected to the hot air gun 6 through the ventilation hose, and the outlet end of the hot air gun 6 extends out of the frame 3 and is connected to the air nozzle 8, which is used to make the hose perform welding rod limiting and pressing operations in sequence when the polyester mesh non-woven fabric is welded. In addition, it should be noted that in order to achieve the firmness of the frame 3 fixed on the bracket 1, the side wall of the bracket 1 is also installed on the frame 3 through a connecting piece; in addition, in order to better achieve the polyester mesh non-woven fabric welding, a first limiting block 9 for limiting the hose is also provided on the bracket 1);

[0023] Working principle: First, a gap is left on the hose with the inner layer of polyester mesh non-woven fabric and the outer layer of PE, and a polyester mesh non-woven fabric welding rod is placed on the inner layer of polyester mesh non-woven fabric through the gap;

[0024] Secondly, use welding equipment to first adsorb and then flash-melt the polyester mesh non-woven fabric welding rod, so that the polyester mesh non-woven fabric welding rod is welded to the polyester mesh non-woven fabric to seal the inside of the gap, and then use the welding equipment to hot-melt the PE welding rod, so that the PE welding rod is welded to the PE material to seal the outside of the gap.

[0025] The present application may also have other implementation modes. The dry hose of the utility model may also adopt another structure. The outer layer of the dry hose is made of TPU, and the inner layer of the dry hose is made of polyester meshed non-woven fabric sheet. The outer side of the seam is welded with TPU welding rods, and the inner side of the seam is welded with polyester meshed non-woven fabric welding rods.

[0026] The utility model proposes a brand-new double-layer hose welding device, which solves the manufacturing problem of the double-layer hose, that is, a double-layer sheet is rolled into a double-layer hose by using the existing equipment, the inner layer welding rod is first adsorbed to the inner side of the gap by the welding device and then welded, and then the outer layer welding rod is welded to the outer side of the (hot-melt) gap by the welding device, so that the double-layer hose is finally formed, and the welding strength of the double hose welded by the inner layer welding and the outer layer welding method reaches far higher than the strength requirement of the raw materials; and the equipment performs welding operations on the double-layer hose, which solves the inner layer gap welding problem of the double-layer hose.

[0027] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited to the above embodiments. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. Double-layer hose welding equipment, characterized by: The welding equipment includes a bracket and a frame. A double-layer hose is arranged on the bracket. The gap on the double-layer hose corresponds to the air nozzle, and a welding rod is arranged inside the gap. A frame is installed on the inner top of the bracket. Fans are installed inside the frames respectively. A hot air gun is installed on the frame. The fan is connected to the hot air gun through a hose. The hot air gun is connected to the air nozzle. The air nozzle is installed on the frame and is used to start the fan to drive the hot air gun to draw air to the air nozzle, so that the welding rod inside the gap is first adsorbed and then hot-melted on the inner side of the gap.

2. The welding device according to claim 1, characterized in that: The welding equipment is also used for welding the external welding rod, so that the external welding rod is thermally melted away from the outside of the seam to connect the outer layers of the double-layer hose.

3. The welding device according to claim 1, characterized in that: The outer bottom of the frame is sequentially installed with a welding rod limiter and a pressure wheel assembly, and the output end of the fan is connected to the hot air gun through a ventilation hose. The outlet end of the hot air gun extends out of the first frame and is connected to the air nozzle, so that the hose can perform welding rod limit and pressing operations respectively when inner layer welding is performed.

4. The welding device according to claim 1, characterized in that: The inner top of the bracket is connected to the frame through a first lifting assembly.

5. The welding device according to claim 1, characterized in that: A hot air gun is also installed on the frame via a second lifting assembly.

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