Low-noise vacuum pipeline structure and vacuum welding furnace

Abstract

The utility model discloses a low-noise vacuum pipeline structure and a vacuum welding furnace, and relates to the technical field of vacuum welding furnaces. Supporting devices are arranged on the two sides of the top of the bottom plate, a noise reduction mechanism is connected to the tops of the supporting devices, a vacuum pipe is arranged in the noise reduction mechanism, a vacuum pump is arranged on the top of the bottom plate, and a noise reduction box is arranged on the top of the bottom plate and located outside the vacuum pump. The noise reduction mechanism comprises a supporting seat, the top of the supporting seat is fixedly connected with a lower placing seat, and the back face of the lower placing seat is hinged to an upper fixing seat through a hinge. The lower placing seat, the upper fixing seat, the filling cavity, the noise reduction box, the noise reduction plate, the mounting groove plate and the like are matched, noise generated by the vacuum pipe can be absorbed through the noise reduction material filled in the filling cavity, and the noise reduction plate absorbs noise generated in the working process of the vacuum pump, so that the noise generated in the working process of equipment is reduced, and the service life of the equipment is prolonged. And the harm to the health of workers in the workshop caused by excessive noise is avoided.

Description

Technical Field

[0001] The utility model belongs to the field of vacuum welding furnaces, and in particular relates to a low-noise vacuum pipeline structure and a vacuum welding furnace. Background Art

[0002] The vacuum soldering furnace performs high-quality soldering on products in a vacuum environment. A reducing system is introduced during the heating or cooling process to protect the product and solder from oxidation. At the same time, the oxides on the surface of the product and solder react to improve the soldering surface quality and reduce the void rate of the soldering.

[0003] A Chinese patent with publication number CN201059864Y discloses an internally controlled vacuum welding furnace, comprising a vacuum furnace body and a door, wherein a heating device is provided in the vacuum furnace body, a sintering mold shelf is provided at the upper part close to the heating device, and the sintering mold is placed on the sintering mold shelf.

[0004] However, when the vacuum welding furnace in the above-mentioned comparative document is in use, since the vacuum tube needs to be evacuated during the welding process, a large noise will be generated during the evacuation process. Being in a noisy environment for a long time will affect the health of the workers in the workshop.

[0005] In view of this, the present utility model is proposed. Utility Model Content

[0006] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a low-noise vacuum pipeline structure and a vacuum welding furnace.

[0007] In order to solve the above technical problems, the basic concept of the technical solution adopted by the utility model is:

[0008] A low-noise vacuum pipeline structure comprises: a bottom plate, support devices are arranged on both sides of the top of the bottom plate, a noise reduction mechanism is connected to the top of the support device, a vacuum tube is arranged inside the noise reduction mechanism, a vacuum pump is arranged on the top of the bottom plate, and a noise reduction box is arranged on the top of the bottom plate and outside the vacuum pump;

[0009] The noise reduction mechanism includes a support seat, the top of the support seat is fixedly connected to a lower placement seat, the back of the lower placement seat is hinged to an upper fixed seat by a hinge, the vacuum tube is adapted to both the lower placement seat and the upper fixed seat, cooling pipes are arranged inside the lower placement seat and the upper fixed seat, a filling cavity is opened inside the lower placement seat and the upper fixed seat, one end of the cooling pipe movably passes through the lower placement seat and the upper fixed seat and extends to the outside of the lower placement seat and the upper fixed seat.

[0010] Optionally, a connecting block is connected to the front sides of the lower placement seat and the upper fixing seat, and a fixing bolt is movably penetrated through the connecting block.

[0011] Optionally, the front and rear sides of the inner wall of the noise reduction box are connected to mounting groove plates, the interior of the mounting groove plates is slidably connected to the noise reduction plate, fixed grooves are opened at the bottoms of both sides of the inner wall of the mounting groove plates, and both sides of the bottom of the noise reduction plate are slidably connected to card blocks, which are adapted to the fixed grooves.

[0012] Optionally, a heat dissipation hole is provided on the top of the noise reduction box, and a connection groove is provided on one side of the noise reduction box.

[0013] Optionally, the supporting device includes an adjusting cylinder, the top of the adjusting cylinder is rotatably connected to a threaded ring, a supporting screw is arranged inside the adjusting cylinder, and the supporting screw is threadably connected to the threaded ring.

[0014] Optionally, sealing covers are provided at both ends of the vacuum tube.

[0015] A vacuum welding furnace comprises any one of the above-mentioned low-noise vacuum pipeline structures.

[0016] After adopting the above technical solution, the utility model has the following beneficial effects compared with the prior art. Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described below at the same time:

[0017] Through the cooperation of the lower placement seat, the upper fixing seat, the filling cavity, the noise reduction box, the noise reduction plate and the mounting groove plate, the noise generated by the vacuum tube can be absorbed by the noise reduction material filled in the filling cavity, and the noise reduction plate can absorb the noise generated during the operation of the vacuum pump, thereby reducing the noise during the operation of the equipment and avoiding harm to the health of the workers in the workshop caused by excessive noise.

[0018] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings described below are only some embodiments. For those skilled in the art, other drawings can be obtained based on these drawings without creative work. In the drawings:

[0020] Figure 1 This is a schematic diagram of the internal structure of the noise reduction mechanism of an embodiment of the utility model;

[0021] Figure 2 A side view of the internal structure of the noise reduction mechanism of an embodiment of the utility model;

[0022] Figure 3 This is a schematic diagram of the internal structure of a noise reduction box according to an embodiment of the utility model;

[0023] Figure 4 This is a schematic diagram of the surface structure of the noise reduction mechanism of one embodiment of the utility model;

[0024] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0025] 1. Bottom plate; 2. Vacuum tube; 3. Vacuum pump; 4. Noise reduction box; 5. Support seat; 6. Lower placement seat; 7. Upper fixing seat; 8. Cooling pipe; 9. Filling cavity; 10. Connecting block; 11. Mounting slot plate; 12. Noise reduction plate; 13. Fixing slot; 14. Block; 15. Heat dissipation hole; 16. Connecting slot; 17. Adjusting cylinder; 18. Threaded ring; 19. Support screw; 20. Sealing cover.

[0026] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0027] The utility model will now be further described in detail with reference to the accompanying drawings.

[0028] See also Figure 1-4 As shown, in this embodiment, a low-noise vacuum pipeline structure and a vacuum welding furnace are provided, including: a bottom plate 1, support devices are provided on both sides of the top of the bottom plate 1, a noise reduction mechanism is connected to the top of the support device, a vacuum tube 2 is provided inside the noise reduction mechanism, a vacuum pump 3 is provided on the top of the bottom plate 1, and a noise reduction box 4 is provided on the top of the bottom plate 1 and outside the vacuum pump 3;

[0029] The noise reduction mechanism includes a support seat 5, the top of the support seat 5 is fixedly connected to a lower placement seat 6, the back of the lower placement seat 6 is hinged to an upper fixed seat 7 by a hinge, the vacuum tube 2 is adapted to the lower placement seat 6 and the upper fixed seat 7, the lower placement seat 6 and the upper fixed seat 7 are both provided with cooling pipes 8, and the lower placement seat 6 and the upper fixed seat 7 are provided with filling cavities 9, one end of the cooling pipe 8 movably passes through the lower placement seat 6 and the upper fixed seat 7 and extends to the outside of the lower placement seat 6 and the upper fixed seat 7, the cooling pipe 8 is connected to an external water tank, the filling cavity 9 is filled with noise reduction material, which can effectively absorb the noise generated during the vacuum pumping process of the vacuum tube 3, thereby reducing the impact of the equipment working noise on the operating workers, and the cooling pipe 8 is arranged in an S shape inside the lower placement seat 6 and the upper fixed seat 7.

[0030] The application of one aspect of this embodiment is: placing the vacuum tube 3 on the lower placement seat 6, then closing the upper fixing seat 7 with the lower placement seat 6, fixing the two connecting blocks 10 by bolts, thereby fixing the lower placement seat 6 and the upper fixing seat 7, and further connecting the exhaust pipe to the vacuum pump 3 through a pipeline, and connecting the air intake pipe to the external air pump. The inert gas can be transported to the inside of the vacuum tube 3 through the air intake pipe to achieve the purpose of protecting welding. During the operation of the equipment, the noise reduction plate 12 can make the sound waves generated during the operation of the vacuum pump 3 reflect multiple times between the noise reduction plates 12, thereby weakening the energy of the sound waves and achieving the effect of noise reduction. The noise generated by the vacuum tube 2 is absorbed by the noise reduction material inside the filling cavity 9.

[0031] The front sides of the lower placement seat 6 and the upper fixed seat 7 are connected with a connecting block 10, and fixing bolts are movably passed through the connecting block 10. When the lower placement seat 6 and the upper fixed seat 7 are combined, the two connecting blocks 10 can be fixed by bolts, thereby fixing the lower placement seat 6 and the upper fixed seat 7.

[0032] The front and rear sides of the inner wall of the noise reduction box 4 are connected with mounting groove plates 11, and the interior of the mounting groove plates 11 is slidably connected with a noise reduction plate 12. The bottoms of both sides of the inner walls of the mounting groove plates 11 are provided with fixing grooves 13, and both sides of the bottom of the noise reduction plate 12 are slidably connected with clamping blocks 14, which are adapted to the fixing grooves 13. The noise reduction plate 12 is a corrugated plate. The noise reduction plate 12 can make the sound waves generated during the operation of the vacuum pump 3 reflect multiple times between the noise reduction plates 12, thereby weakening the energy of the sound waves and achieving the effect of noise reduction. When installing the noise reduction plate 12, insert the noise reduction plate 12 into the mounting groove plate 11, and then slide the clamping block 14 to make the clamping block 14 snap into the fixing groove 13, thereby fixing the noise reduction plate 12 to prevent the noise reduction plate 12 from falling from the mounting groove plate 11.

[0033] A heat dissipation hole 15 is provided on the top of the noise reduction box 4 , a connection groove 16 is provided on one side of the noise reduction box 4 , and the vacuum pump 3 is arranged inside the noise reduction box 4 , and a pipeline can be connected to the vacuum pump 3 through the connection groove 16 .

[0034] The supporting device includes an adjusting cylinder 17, the top of which is rotatably connected to a threaded ring 18, a supporting screw 19 is arranged inside the adjusting cylinder 17, and the supporting screw 19 is threadedly connected to the threaded ring 18. Rotating the threaded ring 18 can drive the supporting screw 19 to move, thereby adjusting the length of the supporting screw 19 extending out of the adjusting cylinder 17, thereby adjusting the height of the vacuum tube 2.

[0035] Sealing covers 20 are provided at both ends of the vacuum tube 2. An air inlet pipe and an air exhaust pipe are provided on the vacuum tube 2. The air exhaust pipe is connected to the vacuum pump 3 through a pipeline, and the air inlet pipe is connected to an external air pump. Inert gas can be transported to the interior of the vacuum tube 3 through the air inlet pipe to achieve the purpose of protective welding.

[0036] A vacuum welding furnace comprises any of the low-noise vacuum pipeline structures.

[0037] The present invention is not limited to the above-mentioned implementation modes. Anyone should be aware of the structural changes made under the inspiration of the present invention. Any technical solution that is the same or similar to the present invention falls within the protection scope of the present invention. The technology, shape, and structure that are not described in detail in the present invention are all known technologies.

Claims

1. A low-noise vacuum pipeline structure, characterized in that: include: A bottom plate (1), support devices are arranged on both sides of the top of the bottom plate (1), a noise reduction mechanism is connected to the top of the support device, a vacuum tube (2) is arranged inside the noise reduction mechanism, a vacuum pump (3) is arranged on the top of the bottom plate (1), and a noise reduction box (4) is arranged on the top of the bottom plate (1) and outside the vacuum pump (3); The noise reduction mechanism comprises a support seat (5), the top of the support seat (5) is fixedly connected to a lower placement seat (6), the back of the lower placement seat (6) is hinged to an upper fixing seat (7) through a hinge, the vacuum tube (2) is adapted to the lower placement seat (6) and the upper fixing seat (7), the lower placement seat (6) and the upper fixing seat (7) are both provided with cooling pipes (8), the lower placement seat (6) and the upper fixing seat (7) are provided with filling cavities (9), and one end of the cooling pipe (8) movably passes through the lower placement seat (6) and the upper fixing seat (7) and extends to the outside of the lower placement seat (6) and the upper fixing seat (7).

2. A low-noise vacuum pipeline structure according to claim 1, characterized in that: The front sides of the lower placement seat (6) and the upper fixing seat (7) are connected with a connecting block (10), and a fixing bolt is movably penetrated through the connecting block (10).

3. A low-noise vacuum pipeline structure according to claim 1, characterized in that: The front side and the rear side of the inner wall of the noise reduction box (4) are both connected with a mounting slot plate (11), the interior of the mounting slot plate (11) is slidably connected with a noise reduction plate (12), the bottoms of both sides of the inner wall of the mounting slot plate (11) are both provided with fixing slots (13), both sides of the bottom of the noise reduction plate (12) are slidably connected with clamping blocks (14), and the clamping blocks (14) are adapted to the fixing slots (13).

4. A low-noise vacuum pipeline structure according to claim 3, characterized in that: A heat dissipation hole (15) is provided on the top of the noise reduction box (4), and a connection groove (16) is provided on one side of the noise reduction box (4).

5. A low-noise vacuum pipeline structure according to claim 1, characterized in that: The supporting device comprises an adjusting cylinder (17), the top of which is rotatably connected with a threaded ring (18), a supporting screw rod (19) is arranged inside the adjusting cylinder (17), and the supporting screw rod (19) is threadedly connected with the threaded ring (18).

6. A low-noise vacuum pipeline structure according to claim 1, characterized in that: Sealing covers (20) are provided at both ends of the vacuum tube (2).

7. A vacuum welding furnace, characterized in that: The invention comprises the low-noise vacuum pipeline structure as described in any one of claims 1 to 6.

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