A 3D rotary glue gun applied to vehicle body welding seam and chassis glue coating

Abstract

The utility model relates to automobile body glueing technology field, concretely relates to a 3D rotary glue gun for the application in body weld and chassis glueing, including cylinder needle assembly, connecting chamber subassembly, rotary chamber subassembly, gun barrel and glue nozzle seat subassembly, cylinder needle assembly includes cylinder cover, spring, piston, fixed screw, needle, sealing end, cylinder body and flood seal, cylinder body sets up at one side of gun barrel, needle sets up inside gun barrel, flood seal is connected with cylinder body, sealing end is fixedly connected with needle, and is covered in the outside of needle, cylinder cover is connected with cylinder body bolt, piston is connected with cylinder body sliding, one end of fixed screw is connected with needle, the other end of fixed screw is connected with cylinder body screw thread, spring sets up between cylinder cover and piston, through the setting of above -mentioned structure, the existing glueing device has solved that the angle of glue nozzle is difficult to adjust, and the problem that the space adaptability is insufficient when gluing.

Description

Technical Field

[0001] This utility model relates to the field of automotive body adhesive technology, and in particular to a 3D rotary glue gun for use in automotive body welds and chassis adhesive application. Background Technology

[0002] The main functions of PVC coating on automotive chassis are: stone chip protection and corrosion protection. It forms a 1-3mm thick PVC-based sound-absorbing coating on the underside of the vehicle, effectively resisting sand and gravel impacts and isolating moisture, thus extending the chassis's lifespan. The main functions of coating on body weld seams are: sealing and corrosion protection. It is used to apply sealant to the weld seams of the body-in-white, forming a tightly sealed rubber strip, improving rainproofing, leak-proofing, and vibration damping performance.

[0003] Existing glue application devices have difficulty adjusting the angle of the glue nozzle, resulting in insufficient spatial adaptability during glue application. Utility Model Content

[0004] The purpose of this invention is to provide a 3D rotary glue gun for use in body welds and chassis adhesive application, which solves the problems of existing adhesive application devices, such as difficulty in adjusting the angle of the glue nozzle and insufficient space adaptability during adhesive application.

[0005] To achieve the above objectives, this utility model provides a 3D rotary glue gun for use in vehicle body welds and chassis adhesive application, comprising a cylinder needle assembly, a connecting chamber assembly, a rotating chamber assembly, a barrel, and a nozzle seat assembly. The cylinder needle assembly is disposed on one side of the barrel, and the nozzle seat assembly is disposed at the end of the barrel away from the cylinder needle assembly. During rotation, the assembly covers the outside of the barrel, and the connecting chamber assembly covers the outside of the rotating chamber assembly. The cylinder needle assembly includes a cylinder head, a spring, a piston, a fixing screw, a needle, a sealing end, a cylinder body, and a plug seal. The main body is located on one side of the barrel, the gun needle is located inside the barrel, the plug seal is engaged with the cylinder body and covers the outside of the gun needle, the sealing end is fixedly connected to the gun needle and covers the outside of the gun needle, the cylinder head is bolted to the cylinder body and located on one side of the cylinder body, the piston is slidably connected to the cylinder body and located inside the cylinder body, one end of the fixing screw is engaged with the gun needle, the other end of the fixing screw is threaded to the cylinder body, and the spring is located between the cylinder head and the piston.

[0006] The rotating chamber assembly includes a flange, a rotating chamber, an air sealing ring, a first partition ring, a combined sealing ring, a second partition ring, a third partition ring, a metal gasket, a buffer sleeve, a solenoid valve mounting block, and a two-position three-way solenoid valve. The flange is bolted to the cylinder body and covers the outside of the barrel. The rotating chamber is rotatably connected to the flange and located on one side of the flange. The air sealing ring, the first partition ring, the combined sealing ring, and the second partition ring are all disposed inside the rotating chamber and sequentially disposed on the outside of the barrel. The third partition ring and the metal gasket cover the surface of the barrel and are located on one side of the second partition ring. The buffer sleeve is disposed inside the flange. The solenoid valve mounting block is bolted to the rotating chamber and is located on one side of the rotating chamber. The two-position three-way solenoid valve is disposed inside the solenoid valve mounting block.

[0007] The connecting chamber assembly includes a straight connector, an upper channel block, a lower channel block, and a circuit board aviation connector. The lower channel block is bolted to the rotating chamber and is located above the rotating chamber. The upper channel block is bolted to the lower channel block and is located above the lower channel block. The straight connector is bolted to the upper channel block and is located above the upper channel block. The circuit board aviation connector is fixedly connected to the lower channel block and is located on one side of the circuit board aviation connector.

[0008] The gun barrel includes a steel sleeve and a gun barrel body. The steel sleeve is fixedly connected to the gun barrel body and is located on one side of the gun barrel body.

[0009] The nozzle seat assembly includes a tungsten carbide seal and a nozzle seat. The tungsten carbide seal is sleeved on the outside of the barrel body, and the nozzle seat is fixedly connected to the tungsten carbide seal and located on the outside of the tungsten carbide seal.

[0010] This utility model discloses a 3D rotary glue gun for use in vehicle body welds and chassis adhesive application. The cylinder body is located on one side of the gun barrel, and the gun needle is located inside the gun barrel. A plug seal is engaged with the cylinder body and covers the outside of the gun needle. A sealing end is fixedly connected to the gun needle and covers the outside of the gun needle. The cylinder head is bolted to the cylinder body and located on one side of the cylinder body. The piston is slidably connected to the cylinder body and located inside the cylinder body. One end of a fixing screw is engaged with the gun needle, and the other end of the fixing screw is threaded to the cylinder body. A spring is located between the cylinder head and the piston. The cylinder body has three cavities inside. Three pistons control corresponding gun needles. The gun needles are inserted into the steps of their respective pistons. Compressed air enters the interior of the corresponding cavity of the cylinder, pushing the piston to move and discharging the material through the corresponding gun needle. Attached Figure Description

[0011] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0012] Figure 1 This is a schematic diagram of the structure of the 3D rotating glue gun of this utility model, which is applied to the welding seams of the car body and the application of glue to the chassis.

[0013] Figure 2 This is a structural schematic diagram of the cylinder gun needle assembly of this utility model.

[0014] Figure 3 This is a structural schematic diagram of the connecting chamber assembly of this utility model.

[0015] Figure 4 This is a schematic diagram of the rotating chamber assembly of this utility model.

[0016] Figure 5 This is a schematic diagram of the structure of the gun barrel of this utility model.

[0017] Figure 6 This is a structural schematic diagram of the nozzle seat assembly of this utility model.

[0018] 1-Cylinder needle assembly, 101-Cylinder head, 102-Spring, 103-Piston, 104-Fixing screw, 105-Needle, 106-Sealing end, 107-Cylinder body, 108-Plug seal, 2-Connecting chamber assembly, 201-Straight connector, 202-Upper channel block, 203-Lower channel block, 204-Circuit board aviation connector, 3-Rotating chamber assembly, 301-Flange, 302-Rotating chamber, 303-Air sealing ring, 304-First partition ring, 305-Combination sealing ring, 306-Second partition ring, 307-Third partition ring, 308-Metal gasket, 309-Buffer sleeve, 310-Solenoid valve mounting block, 311-Two-position three-way solenoid valve, 4-Barrel, 401-Steel sleeve, 402-Barrel body, 5-Nose seat assembly, 501-Tungsten steel seal, 502-Nose seat. Detailed Implementation

[0019] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0020] Please see Figures 1 to 6 This utility model provides a 3D rotary glue gun for use in vehicle body welds and chassis adhesive application, including a cylinder needle 105 assembly 1, a connecting chamber assembly 2, a rotating chamber assembly 3, a barrel 4, and a nozzle seat assembly 5. The cylinder needle 105 assembly 1 is disposed on one side of the barrel 4, and the nozzle seat assembly 5 is disposed at the end of the barrel 4 away from the cylinder needle 105 assembly 1. During rotation, the assembly covers the outside of the barrel 4, and the connecting chamber assembly 2 covers the outside of the rotating chamber assembly 3. The cylinder needle 105 assembly 1 includes a cylinder head 101, a spring 102, a piston 103, a fixing screw 104, a needle 105, a sealing end 106, a cylinder body 107, and a plug seal 108. The cylinder body 107 is disposed on the barrel 4. On one side of the barrel 4, the gun needle 105 is disposed inside the barrel 4. The plug seal 108 is engaged with the cylinder body 107 and covers the outside of the gun needle 105. The sealing end 106 is fixedly connected to the gun needle 105 and covers the outside of the gun needle 105. The cylinder head 101 is bolted to the cylinder body 107 and is located on one side of the cylinder body 107. The piston 103 is slidably connected to the cylinder body 107 and is located inside the cylinder body 107. One end of the fixing screw 104 is engaged with the gun needle 105, and the other end of the fixing screw 104 is threadedly connected to the cylinder body 107. The spring 102 is disposed between the cylinder head 101 and the piston 103.

[0021] In this embodiment, the cylinder body 107 has three cavities inside. The three pistons 103 control the corresponding gun needles 105 respectively. The gun needles 105 are inserted into the steps of the corresponding pistons 103. Compressed air enters the interior of the wall corresponding to the cylinder, pushing the pistons 103 to move and discharging the raw materials through the corresponding gun needles 105.

[0022] Further, the rotating chamber assembly 3 includes a flange 301, a rotating chamber 302, an air sealing ring 303, a first partition ring 304, a combined sealing ring 305, a second partition ring 306, a third partition ring 307, a metal gasket 308, a buffer sleeve 309, a solenoid valve mounting block 310, and a two-position three-way solenoid valve 311. The flange 301 is bolted to the cylinder body 107 and covers the outside of the barrel 4. The rotating chamber 302 is rotatably connected to the flange 301 and is located on one side of the flange 301. The air sealing ring 303, the... The first separating ring 304, the combined sealing ring 305, and the second separating ring 306 are all disposed inside the rotating chamber 302 and sequentially disposed outside the barrel 4. The third separating ring 307 and the metal gasket 308 cover the surface of the barrel 4 and are located on one side of the second separating ring 306. The buffer sleeve 309 is disposed inside the flange 301. The solenoid valve mounting block is bolted to the rotating chamber 302 and is located on one side of the rotating chamber 302. The two-position three-way solenoid valve 311 is disposed inside the solenoid valve mounting block.

[0023] In this embodiment, the air sealing ring 303, the first partition ring 304, the combined sealing ring 305, and the second partition ring 306, after installation, respectively form an outlet, an inlet, a leakage observation port, a compressed air port A, a compressed air port B, and a compressed air port C, thus forming a multi-stage sealing structure. The alternating arrangement of the combined sealing ring 305 with the first partition ring 304 and the second partition ring 306 ensures the airtightness of the outlet and inlet, and also enables real-time monitoring through the leakage observation port. The solenoid valve mounting block 310 is installed on the rotating chamber 302, which is used to install three two-position three-way solenoid valves 311. When the corresponding two-position three-way solenoid valve 3113 is energized, compressed air is discharged from the corresponding compressed air ports A, B, and C. The airflow channels of the rotating chamber 302 are physically isolated by partition rings to prevent cross-flow between different air pressure ports.

[0024] Furthermore, the connection chamber assembly 2 includes a straight connector 201, an upper channel block 202, a lower channel block 203, and a circuit board aviation connector 204. The lower channel block 203 is bolted to the rotating chamber 302 and is located above the rotating chamber 302. The upper channel block 202 is bolted to the lower channel block 203 and is located above the lower channel block 203. The straight connector 201 is bolted to the upper channel block 202 and is located above the upper channel block 202. The circuit board aviation connector 204 is fixedly connected to the lower channel block 203 and is located on one side of the circuit board aviation connector 204.

[0025] In this embodiment, threaded holes are machined on the upper channel block 202 for mounting the straight connector 201, the circuit board is under the sheet metal protective cover, and the aviation plug is on the outside.

[0026] Furthermore, the barrel 4 includes a steel sleeve 401 and a barrel body 402. The steel sleeve 401 is fixedly connected to the barrel body 402 and is located on one side of the barrel body 402.

[0027] In this embodiment, the steel sleeve 401 is installed on the barrel body 402, which can increase the wear resistance of the series of combined seals with the rotating chamber 302. The barrel body 402 is divided into three channels.

[0028] Furthermore, the nozzle seat assembly 5 includes a tungsten carbide seal 501 and a nozzle seat 502. The tungsten carbide seal 501 is sleeved on the outside of the barrel body 402, and the nozzle seat 502 is fixedly connected to the tungsten carbide seal 501 and located on the outside of the tungsten carbide seal 501.

[0029] In this embodiment, the tungsten carbide seal 501 is interference-fitted into the nozzle seat 502, and a total of three tungsten carbide seals 501 are installed at three different angle positions. The tungsten carbide seals 501 on the nozzle seat 502 are pressed against the tungsten carbide seals 501 on the gun needle 105 to achieve a hard seal. The three nozzles correspond to spray angles of 0°, 45° and 75° respectively, covering the vertical, oblique and planar glue application requirements of the vehicle body weld.

[0030] The above-disclosed embodiments are merely preferred embodiments of the present utility model and should not be construed as limiting the scope of the present utility model. Those skilled in the art can understand that implementing all or part of the above-described embodiments and making equivalent changes in accordance with the claims of the present utility model are still within the scope of the utility model.

Claims

1. A 3D rotary glue gun for use in vehicle body welds and chassis adhesive application, characterized in that, The gun includes a cylinder needle assembly, a connecting chamber assembly, a rotating chamber assembly, a barrel, and a nozzle seat assembly. The cylinder needle assembly is disposed on one side of the barrel, the nozzle seat assembly is disposed at the end of the barrel away from the cylinder needle assembly, the rotating chamber assembly covers the outside of the barrel, and the connecting chamber assembly covers the outside of the rotating chamber assembly. The cylinder needle assembly includes a cylinder head, a spring, a piston, a fixing screw, a needle, a sealing end, a cylinder body, and a plug seal. The cylinder body is located on one side of the barrel, and the needle is located inside the barrel. The plug seal is engaged with the cylinder body and covers the outside of the needle. The sealing end is fixedly connected to the needle and covers the outside of the needle. The cylinder head is bolted to the cylinder body and is located on one side of the cylinder body. The piston is slidably connected to the cylinder body and is located inside the cylinder body. One end of the fixing screw is engaged with the needle, and the other end is threaded to the cylinder body. The spring is located between the cylinder head and the piston.

2. The 3D rotary glue gun for applying adhesive to vehicle body welds and chassis as described in claim 1, characterized in that, The rotating chamber assembly includes a flange, a rotating chamber, an air sealing ring, a first partition ring, a combined sealing ring, a second partition ring, a third partition ring, a metal gasket, a buffer sleeve, a solenoid valve mounting block, and a two-position three-way solenoid valve. The flange is bolted to the cylinder body and covers the outside of the barrel. The rotating chamber is rotatably connected to the flange and located on one side of the flange. The air sealing ring, the first partition ring, the combined sealing ring, and the second partition ring are all disposed inside the rotating chamber and sequentially disposed on the outside of the barrel. The third partition ring and the metal gasket cover the surface of the barrel and are located on one side of the second partition ring. The buffer sleeve is disposed inside the flange. The solenoid valve mounting block is bolted to the rotating chamber and is located on one side of the rotating chamber. The two-position three-way solenoid valve is disposed inside the solenoid valve mounting block.

3. The 3D rotary glue gun for applying adhesive to vehicle body welds and chassis as described in claim 2, characterized in that, The connection chamber assembly includes a straight connector, an upper channel block, a lower channel block, and a circuit board aviation connector. The lower channel block is bolted to the rotating chamber and is located above the rotating chamber. The upper channel block is bolted to the lower channel block and is located above the lower channel block. The straight connector is bolted to the upper channel block and is located above the upper channel block. The circuit board aviation connector is fixedly connected to the lower channel block and is located on one side of the circuit board aviation connector.

4. The 3D rotary glue gun for applying adhesive to vehicle body welds and chassis as described in claim 3, characterized in that, The barrel includes a steel sleeve and a barrel body. The steel sleeve is fixedly connected to the barrel body and is located on one side of the barrel body.

5. The 3D rotary glue gun for applying adhesive to vehicle body welds and chassis as described in claim 4, characterized in that, The nozzle seat assembly includes a tungsten carbide seal and a nozzle seat. The tungsten carbide seal is sleeved on the outside of the barrel body, and the nozzle seat is fixedly connected to the tungsten carbide seal and located on the outside of the tungsten carbide seal.

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