Noise reduction device for vibration friction welding machine

Abstract

The utility model relates to a noise reduction device for a vibration friction welding machine, which comprises a base and a sound insulation cover, the sound insulation cover is arranged on the base, a support plate is arranged on the base, the vibration friction welding machine is arranged on the support plate, the vibration friction welding machine is arranged in a sealed space enclosed by the base and the sound insulation cover, and the support plate is connected with the base through a buffer component. Resonance noise reduction pipes are evenly arranged on the inner wall of the sound insulation cover, inner cavities of the resonance noise reduction pipes are filled with sand grains, an object taking opening is formed in the front face of the sound insulation cover, a safety door is hinged to the object taking opening, and water conveying bent pipes are arranged on the inner walls in the left side direction, the right side direction and the rear side direction of the sound insulation cover respectively and communicated with an external water storage pond for storing circulating cooling water. And cooling water circulation exists between the water conveying elbow and the reservoir. The noise reduction device is good in noise reduction effect and does not interfere with normal operation of the vibration friction welding machine.

Description

Technical Field

[0001] The utility model relates to the technical field of vibration friction welding machines, in particular to a noise reduction device for vibration friction welding machines. Background Art

[0002] Vibration friction welding is a welding method that uses an electromagnetic transmission device to generate relative motion between two thermoplastic parts, thereby generating frictional heat to form a joint. It is generally used to weld a variety of thermoplastics. Vibration friction welding is achieved through a vibration friction welding machine. During the use of the welding machine, the high-frequency vibration of the welding machine will generate a lot of noise, pollute the surrounding working environment, and harm the health of the workers.

[0003] Common noise reduction methods include: 1. installing sound-absorbing materials on the steel frame of the welding machine. However, the noise reduction effect is limited because the channel for transmitting noise to the outside is not completely closed; 2. installing a soundproof cover outside the machine body. The machine body is in a sealed space, which has a better noise reduction effect. However, the soundproof cover also prevents the internal heat from dissipating to the outside. Too high temperature in the sealed space will affect the continued operation of the vibration friction welding machine. Utility Model Content

[0004] The utility model aims to provide a noise reduction device for a vibration friction welding machine, which has a good noise reduction effect and does not interfere with the normal operation of the vibration friction welding machine.

[0005] The technical solution of the utility model is as follows:

[0006] A noise reduction device for a vibration friction welding machine comprises a base and a soundproof cover, wherein the soundproof cover is arranged on the base, a support plate is provided on the base, a vibration friction welding machine is mounted on the support plate, the vibration friction welding machine is arranged in a sealed space surrounded by the base and the soundproof cover, the support plate is connected to the base through a buffer assembly, resonance noise reduction tubes are evenly provided on the inner wall of the soundproof cover, the inner cavity of the resonance noise reduction tubes is filled with sand, a material taking port is provided on the front of the soundproof cover, a safety door is hinged on the material taking port, water delivery elbows are respectively provided on the inner walls of the left side, right side and rear side of the soundproof cover, the water delivery elbows are connected to a water reservoir for storing circulating cooling water in the outside world, and cooling water circulates between the water delivery elbows and the water reservoir.

[0007] Preferably, the support plate consists of a supporting plate located at the top and a sliding block located at the bottom, a sliding groove is provided on the top of the base, the supporting plate is located outside the sliding groove and the sliding block partially extends into the sliding groove, there are gaps between the side wall of the sliding block and the inner wall of the sliding groove, and between the bottom of the sliding block and the inner bottom of the sliding groove, the buffer assembly includes a rubber buffer ring and a rubber buffer block, the rubber buffer ring is arranged along the side wall of the sliding block, the rubber buffer ring abuts against the inner wall of the sliding groove, a number of rubber buffer blocks are evenly arranged on the bottom of the sliding block, and the bottom of the rubber buffer block abuts against the inner bottom of the sliding groove.

[0008] Preferably, a plurality of limit columns are provided at the bottom of the slide groove, the direction of the limit columns is the same as that of the slide groove, the support plate is provided with limit grooves corresponding to the limit columns, the limit columns extend into the limit grooves, a buffer layer is provided on the inner wall of the limit groove, and the buffer layer abuts against the outer wall of the limit column.

[0009] Preferably, the water inlet end of the water delivery elbow is located at the lower end and the water outlet end is located at the upper end, and the cooling water in the water delivery elbow flows from bottom to top.

[0010] The utility model has the following beneficial technical effects:

[0011] 1. Place the vibration friction welding machine in a sealed space surrounded by a base and a soundproof cover. When the vibration friction welding machine is started and generates vibration, the noise transmitted through the air is weakened by the soundproof cover and the resonance noise reduction tube. The support plate is in direct contact with the vibration friction welding machine, and the vibration transmitted to the base through the support plate is weakened by the buffer component, thereby achieving the purpose of noise reduction.

[0012] 2. The vibration friction welding machine will continue to dissipate heat during operation. In order to overcome the problem of heat dissipation difficulties in the sealed space, the cooling water is circulated between the internal water delivery elbow and the external water reservoir to diffuse the internal heat to the outside, thereby increasing the heat dissipation speed and ensuring the normal operation of the vibration friction welding machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The technical solution of the utility model will be further described below in conjunction with the accompanying drawings.

[0014] Attached Figure 1 It is the front view of the utility model.

[0015] Attached Figure 2 It is a cross-sectional view from the main perspective of the utility model.

[0016] Attached Figure 3 It is a top view of the utility model.

[0017] Attached Figure 4 It is a schematic diagram of the front inner wall of the soundproof cover of the present invention.

[0018] Attached Figure 5 It is a schematic diagram of the left inner wall of the sound insulation cover of the present invention.

[0019] Attached Figure 6 It is a top view of the support plate on the base of the utility model.

[0020] Attached Figure 7 for Figure 2 A magnified view of part A.

[0021] In the figure: 1-base, 2-soundproof cover, 3-support plate, 4-vibration friction welding machine, 5-buffer assembly, 6-resonance noise reduction pipe, 7-access port, 8-safety door, 9-water delivery elbow, 10-support plate, 11-slider, 12-slide, 13-rubber buffer ring, 14-rubber buffer block, 15-limiting column, 16-limiting groove, 17-buffer layer. DETAILED DESCRIPTION

[0022] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0023] Example:

[0024] like Figures 1 to 7 As shown, this embodiment provides a noise reduction device for a vibration friction welding machine, including a base 1 and a soundproof cover 2, the soundproof cover 2 is arranged on the base 1, a support plate 3 is provided on the base 1, a vibration friction welding machine 4 is installed on the support plate 3, the vibration friction welding machine 4 is arranged in a sealed space surrounded by the base 1 and the soundproof cover 2, the support plate 3 is connected to the base 1 through a buffer assembly 5, resonance noise reduction pipes 6 are evenly provided on the inner wall of the soundproof cover 2, the inner cavity of the resonance noise reduction pipe 6 is filled with sand, a taking port 7 is provided on the front of the soundproof cover 2, a safety door 8 is hinged on the taking port 7, and water delivery elbows 9 are respectively provided on the inner walls of the left side, right side and rear side of the soundproof cover 2, the water delivery elbow 9 is connected to a water reservoir for storing circulating cooling water in the outside, and cooling water circulates between the water delivery elbow 9 and the water reservoir.

[0025] The vibration friction welding machine 4 is placed in a sealed space surrounded by the base 1 and the soundproof cover 2. When the vibration friction welding machine 4 is started and vibrates, the noise transmitted through the air is weakened by the soundproof cover 2 and the resonance noise reduction tube 6. The support plate 3 is in direct contact with the vibration friction welding machine 4, and the vibration transmitted to the base 1 through the support plate 3 is weakened by the buffer component 5, thereby achieving the purpose of noise reduction. The vibration friction welding machine 4 will continue to dissipate heat during operation. In order to overcome the problem of heat dissipation difficulties in the sealed space, the cooling water is circulated between the internal water delivery elbow 9 and the external water tank to diffuse the internal heat to the outside, thereby increasing the heat dissipation speed and ensuring the normal operation of the vibration friction welding machine 4.

[0026] Furthermore, the support plate 3 is composed of a support plate 10 located at the upper part and a slider 11 located at the lower part. A slide groove 12 is provided on the top of the base 1. The support plate 10 is located outside the slide groove 12 and the slider 11 partially extends into the slide groove 12. There are gaps between the side wall of the slider 11 and the inner wall of the slide groove 12, and between the bottom of the slider 11 and the inner bottom of the slide groove 12. The buffer assembly 5 includes a rubber buffer ring 13 and a rubber buffer block 14. The rubber buffer ring 13 is arranged along the side wall of the slider 11, and the rubber buffer ring 13 abuts against the inner wall of the slide groove 12. A plurality of rubber buffer blocks 14 are evenly arranged on the bottom of the slider 11, and the bottom of the rubber buffer block 14 abuts against the inner bottom of the slide groove 12.

[0027] When the support plate 3 vibrates with the vibration friction welding machine 4, the vibration in the longitudinal direction is reduced by the rubber buffer block 14, and the vibration in the lateral direction is reduced by the rubber buffer ring 13, thereby reducing the vibration diffused to the outside through the base 1 and exerting a noise reduction effect.

[0028] Furthermore, a plurality of limit columns 15 are provided at the bottom of the slide groove 12, and the direction of the limit columns 15 is the same as that of the slide groove 12. A limit groove 16 corresponding to the limit columns 15 is provided on the support plate 3. The limit columns 15 extend into the limit groove 16. A buffer layer 17 is provided on the inner wall of the limit groove 16, and the buffer layer 17 abuts against the outer wall of the limit column 15.

[0029] The limiting column 15 and the slide groove 12 are used together to guide the support plate 3 and improve the stability of the support plate 3 . The buffer layer 17 is used to reduce the vibration transmitted from the support plate 3 to the limiting column 15 .

[0030] Furthermore, the water inlet end of the water delivery elbow 9 is located at the lower end and the water outlet end is located at the upper end, and the cooling water in the water delivery elbow 9 flows from bottom to top.

[0031] The cooling water is allowed to fill the inner cavity of the water delivery elbow 9 as much as possible, thereby increasing the effect of heat conduction from the water delivery elbow 9 to the cooling water and improving the heat dissipation efficiency.

[0032] The working principle and use process of this utility model:

[0033] The staff opens the safety door 8, puts the workpiece to be processed into the vibration friction welding machine 4 from the access port 7, then closes the safety door 8 and starts the vibration friction welding machine 4. The vibration generated by the vibration friction welding machine 4 during operation is weakened by the sound insulation cover 2 and the buffer assembly 5, reducing the impact of noise on the surrounding working environment. After the welding process is completed, the staff opens the safety door 8 and takes the processed workpiece from the access port 7.

[0034] The above are only specific application examples of the utility model, and do not constitute any limitation on the protection scope of the utility model. Any technical solution formed by equivalent transformation or equivalent replacement falls within the protection scope of the utility model.

Claims

1. A noise reduction device for a vibration friction welding machine, characterized in that: It includes a base and a soundproof cover, the soundproof cover is arranged on the base, the base is provided with a support plate, the support plate is equipped with a vibration friction welding machine, the vibration friction welding machine is arranged in a sealed space surrounded by the base and the soundproof cover, the support plate is connected to the base through a buffer assembly, resonance noise reduction tubes are evenly arranged on the inner wall of the soundproof cover, the inner cavity of the resonance noise reduction tubes is filled with sand, the front of the soundproof cover is provided with a taking port, the taking port is hinged with a safety door, the inner walls of the left side, right side and rear side of the soundproof cover are respectively provided with water delivery elbows, the water delivery elbows are connected with a water reservoir for storing circulating cooling water in the outside, and cooling water circulates between the water delivery elbows and the water reservoir.

2. A noise reduction device for a vibration friction welding machine according to claim 1, characterized in that: The support plate is composed of a supporting plate located at the upper part and a sliding block located at the lower part. A sliding groove is provided on the top of the base. The supporting plate is located outside the sliding groove and the sliding block partially extends into the sliding groove. There are gaps between the side wall of the sliding block and the inner wall of the sliding groove, and between the bottom of the sliding block and the inner bottom of the sliding groove. The buffer assembly includes a rubber buffer ring and a rubber buffer block. The rubber buffer ring is arranged along the side wall of the sliding block, and the rubber buffer ring abuts against the inner wall of the sliding groove. A plurality of rubber buffer blocks are evenly arranged on the bottom of the sliding block, and the bottom of the rubber buffer block abuts against the inner bottom of the sliding groove.

3. A noise reduction device for a vibration friction welding machine according to claim 2, characterized in that: A plurality of limit columns are arranged at the bottom of the slide groove, and the direction of the limit columns is the same as that of the slide groove. The support plate is provided with limit grooves corresponding to the limit columns, and the limit columns extend into the limit grooves. A buffer layer is arranged on the inner wall of the limit groove, and the buffer layer abuts against the outer wall of the limit column.

4. A noise reduction device for a vibration friction welding machine according to claim 1, characterized in that: The water inlet end of the water delivery elbow is located at the lower end and the water outlet end is located at the upper end, and the cooling water in the water delivery elbow flows from bottom to top.

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