Hot air welding machine for automotive interior door panel

Abstract

The utility model belongs to the technical field of welding machines, and particularly relates to a hot air welding machine for an automobile interior door panel, which comprises an outer shell, a hot air pipe and a hot air pipe, the inner shell is arranged in the outer shell, a flow channel is formed in the inner shell, a reserved groove is formed in the upper wall face of the flow channel, and a heat insulation cavity is formed between the inner shell and the outer shell; the heating assembly is arranged in the heat insulation cavity and penetrates through the reserved groove to extend into the flow channel.

Description

TECHNICAL FIELD

[0001] The utility model belongs to welding machine technical field, especially relate to a hot air welding machine for automotive interior door panel. BACKGROUND

[0002] Hot air welding machine is through preheating compressed air or inert gas heated plastic welding piece and electrode, makes them reach viscous state, under little pressure and carry out the method of welding, hot air welding method is mainly used for polyvinyl chloride, polyolefin, polyformaldehyde, nylon etc.

[0003] The existing hot air welding machine in the process of using, even if the gripping part adopts the heat -resisting material to make, but after long time use heat still can be conducted to the hand of the user through the gripping part, along with the heat gradually increases, lead to the user cannot normally grip, thus influence the use work, from this we specially design a kind of hot air welding machine for automotive interior door panel. UTILITY MODEL CONTENTS

[0004] The utility model aims at the technical problem existing above, provide a kind of hot air welding machine for automotive interior door panel, reached the effect of effective heat insulation.

[0005] Therefore, the utility model provides a kind of hot air welding machine for automotive interior door panel, it includes:

[0006] Shell body, shell body one end is set as input end, the other end is set as output end;

[0007] Inner shell, inner shell is set in shell body, and flow channel is set in inner shell, and the reserved slot is set on the upper wall of flow channel, and the heat insulation cavity is formed between inner shell and shell body;

[0008] Heating assembly, heating assembly is set in heat insulation cavity, and extends to flow channel through the reserved slot.

[0009] In the above technical scheme, further, shell body includes:

[0010] Main body, main body is cylindrical;

[0011] Cover body, cover body includes first cover body and second cover body, and is connected at the both ends of main body, and the connecting port is set on the first cover body and second cover body;

[0012] Wherein, first cover body is connected with inner shell, and the boss is set on the second cover body, and the connecting edge is set on the boss, and inner shell is limitedly set in the inner side of connecting edge;

[0013] Wherein, the first sealing ring is set on the connecting fit-up surface of first cover body, second cover body and main body.

[0014] In the above technical solution, further, the inner shell comprises:

[0015] The fixed shell is integrally formed on the first cover body, and the fixed shell is provided with an opening;

[0016] The movable shell is arranged on the opening and assembled to the connecting edge and fixed with the second cover body after cooperating with the fixed shell, and the flow channel is formed between the fixed shell and the movable shell;

[0017] The reserved groove is arranged on the movable shell.

[0018] In the above technical solution, further, the heating assembly comprises:

[0019] The mounting frame is mounted on the reserved groove and arranged in the flow channel;

[0020] The heating coil is arranged on the mounting frame and heats the gas passing through the flow channel;

[0021] The electrical element is arranged in the heat insulation cavity and connected with the heating coil;

[0022] The heating assembly is provided with a plurality of groups in the flow channel, and the number of the reserved grooves on the movable shell is correspondingly arranged.

[0023] In the above technical solution, further, the mounting frame comprises:

[0024] The arc-shaped frame has a notch;

[0025] The connecting frame is arranged on the notch of the arc-shaped frame, and the connecting frame extends into the heat insulation cavity through the reserved groove;

[0026] The fixed frame is connected with the connecting frames on the adjacent mounting frames;

[0027] The electrical element is arranged on the fixed frame and away from the outer shell.

[0028] In the above technical solution, further, it further comprises:

[0029] The filter screen is arranged on the arc-shaped frame, and the heating coil is arranged on the filter screen.

[0030] In the above technical solution, further, it further comprises:

[0031] The external connector is arranged on the connecting port, and the external connector is provided with a second sealing ring on the connecting and mating surface of the first cover body and the second cover body.

[0032] In the above technical solution, further, it further comprises:

[0033] The circuit port is arranged on the wall surface of the outer shell body and corresponds to the fixing frame.

[0034] The utility model discloses beneficial effects that: through the heat insulation cavity formed between the outer shell body and the inner shell body, heat can be isolated during use, thereby effectively preventing the situation that the processing personnel are scalded when operating the outer shell body, and facilitating use. BRIEF DESCRIPTION OF DRAWINGS

[0035] Figure 1 It is the perspective view of the utility model;

[0036] Figure 2 It is the internal structure schematic view of the utility model;

[0037] Figure 3 It is the assembly schematic view between the mounting frame and the inner shell body of the utility model;

[0038] Figure 4 It is the mounting frame schematic view of the utility model;

[0039] Figure 5 It is the assembly schematic view between the heating coil, filter screen and arc frame of the utility model;

[0040] The figure mark is: 11, main body;12, first cover body;13, second cover body;131, boss;132, connecting edge;14, first sealing ring;21, fixed shell body;211, opening;22, movable shell body;221, reserved slot;3, heating assembly;31, mounting frame;311, arc frame;312, connecting frame;313, fixing frame;32, heating coil;33, electrical element;4, heat insulation cavity;5, port;6, filter screen;7, external joint;8, second sealing ring;9, circuit port;10, flow channel. DETAILED DESCRIPTION

[0041] The technical solutions in the embodiments of the application will be clearly described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, not all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art belong to the scope of protection of the application.

[0042] Embodiment 1:

[0043] The embodiment provides an automobile interior door panel hot air welding machine, which comprises:

[0044] The outer shell body is provided with an input end at one end and an output end at the other end.

[0045] The inner shell is arranged in the outer shell, a flow channel 10 is arranged in the inner shell, a reserved groove 221 is arranged on the wall surface of the flow channel 10, and a heat insulation cavity 4 is formed between the inner shell and the outer shell;

[0046] The heating assembly 3 is arranged in the heat insulation cavity 4 and extends into the flow channel 10 through the reserved groove 221.

[0047] It can be seen from the embodiment that the hot air welding machine for the automotive interior door panel comprises an outer shell, an inner shell and a heating assembly 3;

[0048] One end of the outer shell is arranged as an input end, and the other end is arranged as an output end, wherein the input end is connected with an external air supply device, and the output end is used for outputting hot air to the welding part;

[0049] The inner shell is mounted on the inner side wall surface of the outer shell, a heat insulation cavity 4 is formed between the inner shell and the outer shell, a flow channel 10 is formed in the inner shell, the flow channel 10 is used for the air source to pass through, a reserved groove 221 is formed on the wall surface of the flow channel 10, and the heating assembly 3 is arranged in the heat insulation cavity 4 and extends into the flow channel 10 after being connected with the reserved groove 221 to heat the air source;

[0050] Through the heat insulation cavity 4 formed between the outer shell and the inner shell, heat can be isolated during use, so that the situation that the processing personnel are scalded when holding the outer shell to operate can be effectively prevented, and use is facilitated.

[0051] Embodiment 2:

[0052] The embodiment provides a hot air welding machine for an automotive interior door panel, which comprises the technical solutions of the above-mentioned embodiments and has the following technical features.

[0053] The outer shell comprises:

[0054] The main body 11 is in a cylindrical shape;

[0055] The cover body comprises a first cover body 12 and a second cover body 13 and is connected to both ends of the main body 11, and the first cover body 12 and the second cover body 13 are both provided with a connecting port 5;

[0056] The first cover body 12 is connected with the inner shell, the second cover body 13 is provided with a boss 131, the boss 131 is provided with a connecting edge 132, and the inner shell is limitingly arranged on the inner side of the connecting edge 132;

[0057] The first cover body 12 is connected with the inner shell, the second cover body 13 is provided with a boss 131, the boss 131 is provided with a connecting edge 132, and the inner shell is limitingly arranged on the inner side of the connecting edge 132;

[0058] The first sealing ring 14 is arranged on the connecting and fitting surface of the first cover body 12, the second cover body 13 and the main body 11.

[0059] The outer shell body includes the main body 11 and the cover body.

[0060] The main body 11 is in a cylindrical shape, and the cover body is arranged at both ends of the cylinder body.

[0061] The first sealing ring 14 is arranged on the connecting and fitting surface between the first cover body 12 and the second cover body 13.

[0062] The inner shell body is integrally formed between the first cover body 12 and the second cover body 13.

[0063] Embodiment 3

[0064] The automobile interior door panel hot air welding machine provided in the embodiment further has the following technical features in addition to the technical solutions of the above embodiments.

[0065] The inner shell body includes:

[0066] The fixed shell body 21 is integrally formed on the first cover body 12.

[0067] The movable shell body 22 is arranged on the opening 211 and is fixed to the second cover body 13 after being assembled to the connecting edge 132 in cooperation with the fixed shell body 21.

[0068] The reserved groove 221 is arranged on the movable shell body 22.

[0069] The inner shell body includes the fixed shell body 21 and the movable shell body 22.

[0070] The fixed shell body 21 is integrally formed on the inner side surface of the first cover body 12.

[0071] By opening the opening 211 on the fixed shell 21, and movably connecting the movable shell 22 with the opening 211, the heating assembly 3 is conveniently installed.

[0072] Embodiment 4:

[0073] The embodiment provides an automobile interior door panel hot air welding machine, in addition to comprising the technical scheme of the above embodiment, further has the following technical features.

[0074] The heating assembly 3 comprises:

[0075] The mounting frame 31 is mounted on the reserved groove 221 and arranged in the flow channel 10;

[0076] The heating coil 32 is arranged on the mounting frame 31 and heats the gas passing through the flow channel 10;

[0077] The electrical element 33 is arranged in the heat insulation cavity 4 and connected with the heating coil 32;

[0078] The heating assembly 3 is provided with a plurality of groups in the flow channel 10, and the number of the reserved grooves 221 on the movable shell 22 is correspondingly arranged.

[0079] The embodiment can be seen that the heating assembly 3 comprises the mounting frame 31, the heating coil 32 and the electrical element 33;

[0080] The mounting frame 31 is mounted on the reserved groove 221 and extends into the flow channel 10, the heating coil 32 is arranged on one end of the mounting frame 31 extending into the flow channel 10, and the electrical element 33 is mounted on a section of the mounting frame 31 outside the movable shell 22;

[0081] Further, the heating assembly 3 is provided with a plurality of groups in the flow channel 10, and the reserved grooves 221 are equidistantly arranged on the movable shell 22;

[0082] In use, the gas source contacts the plurality of groups of heating coils 32 when passing through the flow channel 10, and is heated in the process of contact;

[0083] By arranging a plurality of groups of heating coils 32, the heating effect on the gas source is improved, and the hot gas output effect is improved.

[0084] Embodiment 5:

[0085] The embodiment provides an automobile interior door panel hot air welding machine, in addition to comprising the technical scheme of the above embodiment, further has the following technical features.

[0086] The mounting frame 31 comprises:

[0087] The arc frame 311 has a notch;

[0088] The connecting frame 312 is arranged on the notch of the arc frame 311, and extends into the heat insulation cavity 4 through the reserved slot 221;

[0089] The fixing frame 313 is connected to the connecting frame 312 on the adjacent mounting frame 31.

[0090] The electrical element 33 is arranged on the fixing frame 313 and away from the outer shell.

[0091] It can be seen from the embodiment that the mounting frame 31 comprises the arc frame 311, the connecting frame 312 and the fixing frame 313.

[0092] The arc frame 311 is supported by a wire bending, and the two ends of the arc frame 311 are outwardly bent to form the connecting frame 312 body at the opening 211. The fixing frame 313 is a plate, and a connecting hole is formed on the fixing frame 313. The connecting frame 312 is fixed to the fixing frame 313 after being matched with the connecting hole. The fixing frame 313 is used for mounting the electrical element 33. After the arc frame 311 abuts against the inner side wall of the flow channel 10, the fixing frame 313 is fixed in the heat insulation cavity 4 through the connecting frame 312. Further, the electrical element 33 is not in direct contact with the inner and outer shells in the heat insulation cavity 4, thereby playing a protection role. Further, the side end face of the fixing frame 313 matched with the connecting frame 312 is provided with a connecting end, and the connecting end is provided with a through hole. The connecting frame 312 is matched with the electrical element 33 through the through hole to supply power to the heating coil 32, thereby realizing the heating effect.

[0093] Embodiment 6:

[0094] The embodiment provides a hot air welding machine for an automotive interior door panel, which comprises the technical solutions of the above-mentioned embodiments and has the following technical features.

[0095] The filter screen 6 is arranged on the arc frame 311, and the heating coil 32 is arranged on the filter screen 6.

[0096] It can be seen from the embodiment that the filter screen 6 is connected to the arc frame 311, and the heating coil 32 is laid on the filter screen 6. The filter screen 6 can reinforce the structure of the heating coil 32, and can block impurities in the gas source, thereby helping to improve the welding effect.

[0097] Embodiment 7:

[0098] The embodiment provides a hot air welding machine for an automotive interior door panel, which comprises the technical solutions of the above-mentioned embodiments and has the following technical features.

[0099] The external joint 7 is arranged on the connecting port 5, and the second sealing ring 8 is arranged on the connecting and matching surface of the first cover 12 and the second cover 13.

[0100] It can be seen from the embodiment that the external joint 7 is arranged on the connecting port 5, so that the welding machine is conveniently connected with the external air source, and the external joint 7 is conveniently connected and fixed with the external auxiliary component and is convenient to use.

[0101] Embodiment 8

[0102] The embodiment provides an automobile interior door panel hot air welding machine, in addition to the technical scheme of the above-mentioned embodiment, further has the following technical features.

[0103] The circuit port 9 is arranged on the wall surface of the outer shell and corresponds to the fixing frame 313.

[0104] It can be seen from the embodiment that the circuit port 9 is arranged on the outer shell, so that the electrical element 33 is conveniently connected with the external power supply.

[0105] The embodiments of the application are described above in combination with the drawings, the embodiments in the application and the features in the embodiments can be combined with each other in the case of no conflict, the application is not limited to the above-mentioned specific embodiments, the above-mentioned specific embodiments are only illustrative, not restrictive, and a person skilled in the art can make many forms under the inspiration of the application without departing from the purpose of the application and the scope protected by the claims, and all the forms belong to the protection of the application.

Claims

1. A hot air welding machine for automotive interior door panels, characterized in that, The utility model relates to a heating device, including: The outer shell one end is provided as input, the other end is provided as output; The inner shell is arranged in the outer shell, the inner shell is provided with flow channel (10), the flow channel (10) is provided with the reserved slot (221) on the upper wall, the inner shell and the outer shell form the heat insulation chamber (4) between; Heating assembly (3), the heating assembly (3) is arranged in the heat insulation chamber (4), and it is extended to the flow channel (10) through the reserved slot (221).

2. The hot air welding machine for automotive interior door panel according to claim 1, wherein the outer housing Including: The main body (11) is cylindrical; The cover body includes first cover body (12) and second cover body (13), and is connected at the both ends of main body (11), first cover body (12) and second cover body (13) are provided with connecting port (5) on the both ends; Wherein, the first cover body (12) is connected with the inner shell, the second cover body (13) is provided with the boss (131), the boss (131) is provided with the connecting edge (132), and the inner shell is limitedly arranged in the inner side of connecting edge (132); Wherein, the first cover body (12), second cover body (13) and the connecting fit surface of main body (11) are all provided with first sealing ring (14).

3. The hot air welding machine for automotive interior door panel according to claim 2, wherein the inner housing Including: Fixed shell (21), the fixed shell (21) is integrally formed on first cover body (12), and the fixed shell (21) is provided with opening (211); Movable shell (22), the movable shell (22) is arranged on opening (211), and is assembled on connecting edge (132) after being matched with fixed shell (21) and being fixed with second cover body (13), and flow channel (10) is formed between fixed shell (21) and movable shell (22); Wherein, the reserved slot (221) is arranged on the movable shell (22).

4. The hot air welding machine for an automotive interior door panel according to claim 3, characterized by, The heating assembly (3) includes: Mounting bracket (31), the mounting bracket (31) is mounted on the reserved slot (221) and arranged in the flow channel (10); Heating coil (32), the heating coil (32) is arranged on the mounting bracket (31) and heats the gas passing through the flow channel (10); Electrical element (33), the electrical element (33) is arranged in the heat insulation chamber (4) and is connected with the heating coil (32); Wherein, the heating assembly (3) is provided with multiple groups in the flow channel (10), and the number of reserved slots (221) on the movable shell (22) is correspondingly arranged.

5. The hot air welding machine for an automotive interior door panel according to claim 4, characterized by, The mounting bracket (31) includes: Arc bracket (311), the arc bracket (311) has a notch; Connecting bracket (312), the connecting bracket (312) is arranged on the notch of arc bracket (311), and the connecting bracket (312) extends to the heat insulation chamber (4) through the reserved slot (221); Fixed bracket (313), the fixed bracket (313) is connected with the connecting bracket (312) on the adjacent mounting bracket (31); Wherein, the electrical element (33) is arranged on the fixed bracket (313) and away from the outer shell.

6. The hot air welding machine for automotive interior door panel according to claim 5, further comprising Including: The filter screen (6) is arranged on the circular arc frame (311), and the heating coil (32) is arranged on the filter screen (6).

7. The hot air welding machine for automotive interior door panel according to claim 6, further characterized by Comprise: The external joint (7) is arranged on the connecting port (5), and the connecting and matching surface of the first cover body (12) and the second cover body (13) is provided with the second sealing ring (8).

8. The hot air welding machine for automotive interior door panel according to claim 7, further characterized by Comprise: The circuit port (9) is arranged on the wall surface of the shell body and corresponds to the fixing frame (313).

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