Noise reduction and shock absorption device of sliding-vane rotary vacuum pump

Abstract

The utility model discloses a noise reduction and shock absorption device for a sliding-vane rotary vacuum pump, which comprises a noise reduction mechanism, the noise reduction mechanism comprises a noise reduction box, a box cover is mounted on the noise reduction box, sound insulation parts are respectively mounted on the inner walls of the noise reduction box and the box cover, a sliding-vane rotary vacuum pump body is mounted at the inner bottom of the noise reduction box, and the sound insulation parts are arranged on the periphery of the sliding-vane rotary vacuum pump body; the damping mechanism comprises a concrete plate, a damping pad is mounted on the concrete plate, and the noise reduction box is mounted at the top of the damping pad; the heat dissipation mechanism comprises a heat dissipation plate and a cooling water tank, the heat dissipation plate makes contact with heat dissipation fins of the rotary vane vacuum pump body, a cooling channel is formed in the heat dissipation plate, the cooling channel is connected with the cooling water tank through a circulating cooling piece, and heat dissipated by the heat dissipation fins on the rotary vane vacuum pump body can be taken away through the heat dissipation mechanism; heat aggregation in the noise reduction box is avoided, and the using effect and service life of the sliding-vane rotary vacuum pump body are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a rotary vane vacuum pump technical field, concretely is a rotary vane vacuum pump noise reduction damping device. BACKGROUND

[0002] The rotor eccentrically installed in the rotary vane vacuum pump is tangent to the fixed surface of the stator, two or more rotary vanes slide in the rotor groove and are in contact with the inner wall of the stator, and the pump cavity is divided into several variable volume rotary variable volume vacuum pumps. In the slurry mixing process of the lithium ion power battery production workshop, it is necessary to extract vacuum to eliminate the air in the tank body. If there are air bubbles in the slurry, it will affect the coating effect, cause the electrode coating to be uneven, and further affect the performance and service life of the battery. The rotary vane vacuum pump can quickly and effectively extract the gas in the slurry, create a vacuum environment for slurry mixing, and avoid the generation of air bubbles.

[0003] The existing rotary vane vacuum pump is generally wrapped by a soundproof cover during use to achieve the sound insulation effect of the rotary vane vacuum pump. However, if the soundproof cover is in a sealed state, the heat generated by the operation of the rotary vane vacuum pump will be concentrated inside the soundproof cover, which may cause the rotary vane vacuum pump to be damaged due to high temperature. If a soundproof cover with a heat dissipation window is used, the sound insulation effect of the soundproof cover will be reduced.

[0004] Therefore, a rotary vane vacuum pump noise reduction damping device is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a rotary vane vacuum pump noise reduction damping device, solving the problem that the existing rotary vane vacuum pump in the prior art is generally wrapped by a soundproof cover during use to achieve the sound insulation effect of the rotary vane vacuum pump. However, if the soundproof cover is in a sealed state, the heat generated by the operation of the rotary vane vacuum pump will be concentrated inside the soundproof cover, which may cause the rotary vane vacuum pump to be damaged due to high temperature. If a soundproof cover with a heat dissipation window is used, the sound insulation effect of the soundproof cover will be reduced.

[0006] To achieve the above-mentioned purpose, the utility model adopts the main technical scheme including: a rotary vane vacuum pump noise reduction damping device, which comprises: a noise reduction mechanism, which comprises a noise reduction box, a box cover is installed on the noise reduction box, sound insulation pieces are respectively installed on the inner walls of the noise reduction box and the box cover, a rotary vane vacuum pump body is installed at the inner bottom of the noise reduction box, and the sound insulation pieces are arranged around the rotary vane vacuum pump body; a damping mechanism, which comprises a concrete slab, a damping pad is installed on the concrete slab, and the noise reduction box is installed on the top of the damping pad; and a heat dissipation mechanism, which comprises a heat dissipation plate and a cooling water tank, the heat dissipation plate is in contact with the heat dissipation fins of the rotary vane vacuum pump body, a cooling channel is formed in the heat dissipation plate, and the cooling channel is connected with the cooling water tank through a circulating cooling piece.

[0007] As a preferred technical scheme, the sound insulation piece comprises sound-absorbing cotton boards and foam plastic boards, the sound-absorbing cotton boards are fixedly installed on the inner walls of the noise reduction box and the box cover, and the foam plastic boards are fixedly installed on the side walls of the sound-absorbing cotton boards.

[0008] As a preferred technical scheme, the damping pad is of a rubber structure.

[0009] The first bolt is arranged in sequence through the noise reduction box, the damping pad and is screwed on the concrete plate.

[0010] As a preferred technical scheme, the heat dissipation plates are provided with two and are respectively abutted on the heat dissipation fins on the two sides of the rotary vane vacuum pump body.

[0011] The circulating cooling piece comprises first water inlet pipes, first water outlet pipes, second water outlet pipes and second water inlet pipes, two ends of the first water inlet pipes are respectively communicated with the cooling channel inlets on the two heat dissipation plates, two ends of the first water outlet pipes are respectively communicated with the cooling channel outlets on the two heat dissipation plates, and the second water outlet pipes and the second water inlet pipes are respectively communicated with the one side communicating pipes of the cooling water tank.

[0012] One end of the second water outlet pipe is inserted into the inside of the noise reduction box and is fixedly communicated with the first water inlet pipe, one end of the second water inlet pipe is inserted into the inside of the noise reduction box and is fixedly communicated with the first water outlet pipe, and a circulating pump is fixedly installed on the second water outlet pipe.

[0013] The heat dissipation plates are fixedly connected with the heat dissipation fins through clamping pieces.

[0014] As a preferred technical scheme, the clamping piece comprises a handle bolt screwed on the noise reduction box, one end of the handle bolt is inserted into the inside of the noise reduction box and is rotationally connected with a clamping plate, one end of the clamping plate is in contact with one side of the heat dissipation plate and presses the heat dissipation plate on the heat dissipation fins.

[0015] As a preferred technical scheme, one side of the heat dissipation plate is provided with a limiting clamping groove, and one end of the clamping plate is clamped and connected in the inside of the limiting clamping groove.

[0016] As a preferred technical scheme, one side of the heat dissipation plate is provided with a plurality of heat conduction grooves opposite to the heat dissipation fin blades, and the heat conduction grooves are clamped on the blades of the heat dissipation fins.

[0017] The utility model at least has following beneficial effects:

[0018] The utility model provides a kind of rotary vane vacuum pump noise reduction damping device, cooling water inside cooling water tank is recycled to be transported to the inside of cooling passage on radiating plate by starting circulating pump, the heat that radiating fin emits is taken away by circulating cooling water inside cooling passage, avoid heat cluster inside noise reduction box, increase rotary vane vacuum pump body use effect and life;

[0019] By fixing and installing rotary vane vacuum pump body in the inner bottom of noise reduction box, connecting the box cover with noise reduction box through the second bolt, the sealing of rotary vane vacuum pump body is completed, when rotary vane vacuum pump body works, sound-absorbing cotton board and foam plastic board can effectively absorb the noise generated by rotary vane vacuum pump body working, which can effectively block the propagation of noise.

[0020] By installing noise reduction box on concrete slab and setting damping pad between concrete slab and noise reduction box, the transmission of vibration can be effectively absorbed and reduced through damping pad, reducing the vibration generated by rotary vane vacuum pump body working and reducing the impact on the surrounding environment. BRIEF DESCRIPTION OF DRAWINGS

[0021] The drawings described herein are used to provide further understanding of the present application, constitute a part of the present application, the illustrative embodiments of the present application and their description are used to explain the present application, and do not constitute undue limitation on the present application. In the drawings:

[0022] Figure 1 It is the three-dimensional drawing of the rotary vane vacuum pump noise reduction damping device of the utility model;

[0023] Figure 2 It is the rotary vane vacuum pump body installation schematic drawing of the rotary vane vacuum pump noise reduction damping device of the utility model;

[0024] Figure 3 It is the handle bolt installation schematic drawing of the rotary vane vacuum pump noise reduction damping device of the utility model;

[0025] Figure 4 It is the radiating plate installation schematic drawing of the rotary vane vacuum pump noise reduction damping device of the utility model;

[0026] Figure 5 It is the limiting clamping groove structure schematic drawing of the rotary vane vacuum pump noise reduction damping device of the utility model;

[0027] Figure 6 It is the cooling passage structure schematic drawing of the rotary vane vacuum pump noise reduction damping device of the utility model;

[0028] Figure 7 It is the heat conduction groove structure schematic drawing of the rotary vane vacuum pump noise reduction damping device of the utility model.

[0029] EXPLANATION OF DRAWINGS:

[0030] 1, concrete slab; 101, first bolt; 2, shock pad; 3, noise reduction box; 301, box cover; 3011, second bolt; 302, sound-absorbing cotton board; 303, foamed plastic board; 4, rotary vane vacuum pump body; 401, heat dissipation fin; 5, handle bolt; 6, clamping plate; 7, heat dissipation plate; 701, cooling channel; 7011, first water inlet pipe; 7012, first water outlet pipe; 702, limiting clamping groove; 703, heat conduction groove; 8, cooling water tank; 801, second water outlet pipe; 802, second water inlet pipe; 9, circulating pump. DETAILED DESCRIPTION

[0031] The embodiments of the present application will be described in detail with reference to the drawings and examples, so that the realization process of how the present application applies technical means to solve technical problems and achieves technical effects can be fully understood and implemented.

[0032] EMBODIMENT

[0033] Please refer to Figures 1 to 7 The present embodiment provides a rotary vane vacuum pump noise reduction and shock absorption device, which comprises: a noise reduction mechanism, which comprises a noise reduction box 3, a box cover 301 is installed on the noise reduction box 3, sound insulation pieces are respectively installed on the inner walls of the noise reduction box 3 and the box cover 301, a rotary vane vacuum pump body 4 is installed at the inner bottom of the noise reduction box 3, and the sound insulation pieces are placed around the rotary vane vacuum pump body 4; a shock absorption mechanism, which comprises a concrete slab 1, a shock pad 2 is installed on the concrete slab 1, and the noise reduction box 3 is installed on the top of the shock pad 2; and a heat dissipation mechanism, which comprises a heat dissipation plate 7 and a cooling water tank 8, the heat dissipation plate 7 is in contact with the heat dissipation fin 401 of the rotary vane vacuum pump body 4, and the heat dissipation plate 7 is internally provided with a cooling channel 701, the cooling channel 701 is connected with the cooling water tank 8 through a circulating cooling piece, the noise reduction mechanism can effectively absorb the noise generated by the operation of the rotary vane vacuum pump body 4, can effectively block the propagation of noise, the shock absorption mechanism can effectively absorb and reduce the transmission of vibration, can reduce the vibration generated by the operation of the rotary vane vacuum pump body 4, and can reduce the influence on the surrounding environment, the heat dissipation mechanism can take away the heat emitted by the heat dissipation fin 401, can avoid the heat aggregation in the noise reduction box 3, and can increase the use effect and service life of the rotary vane vacuum pump body 4.

[0034] Among them, the sound insulation piece comprises a sound-absorbing cotton board 302 and a foamed plastic board 303, the sound-absorbing cotton board 302 is fixedly installed on the inner walls of the noise reduction box 3 and the box cover 301, and the foamed plastic board 303 is fixedly installed on the side wall of the sound-absorbing cotton board 302, the sound-absorbing cotton board 302 and the foamed plastic board 303 can effectively absorb the noise generated by the operation of the rotary vane vacuum pump body 4, in addition, the noise reduction box 3 and the box cover 301 can adopt a steel structure, which can further block the propagation of noise and effectively prevent the propagation of noise, the box cover 301 is fixedly connected with the noise reduction box 3 through the second bolt 3011, which is convenient for disassembly and assembly.

[0035] The damping pad 2 is a rubber structure; the first bolt 101 is arranged on the concrete plate 1, and one end of the first bolt 101 is arranged in the noise reduction box 3 and the damping pad 2 in sequence and is screwed on the concrete plate 1, the damping pad 2 can effectively absorb and reduce the transmission of vibration, reduce the vibration generated by the operation of the rotary vane vacuum pump body 4, and reduce the influence on the surrounding environment, and the concrete plate 1 can provide stability for the installation of the noise reduction box 3, further reduce the vibration, and the threaded barrel can be arranged on the concrete plate 1, the first bolt 101 is connected with the threaded barrel, and the noise reduction box 3 is convenient to disassemble and assemble.

[0036] The heat dissipation plate 7 is provided with two heat dissipation plates 7, and is arranged on the heat dissipation fin 401 on both sides of the rotary vane vacuum pump body 4; the circulating cooling member comprises a first water inlet pipe 7011, a first water outlet pipe 7012, a second water outlet pipe 801 and a second water inlet pipe 802, both ends of the first water inlet pipe 7011 are communicated with the cooling channels 701 inlets of the two heat dissipation plates 7, both ends of the first water outlet pipe 7012 are communicated with the cooling channels 701 outlets of the two heat dissipation plates 7, the second water outlet pipe 801 and the second water inlet pipe 802 are communicated with one side of the cooling water tank 8, one end of the second water outlet pipe 801 is arranged in the noise reduction box 3 and is fixedly communicated with the first water inlet pipe 7011, one end of the second water inlet pipe 802 is arranged in the noise reduction box 3 and is fixedly communicated with the first water outlet pipe 7012, and the circulating pump 9 is fixedly arranged on the second water outlet pipe 801; the heat dissipation plate 7 is fixedly connected with the heat dissipation fin 401 through the clamping member, the cooling water in the cooling water tank 8 is circulated and delivered to the inside of the cooling channel 701 on the heat dissipation plate 7 through the circulating pump 9, the heat generated by the heat dissipation fin 401 is taken away through the circulating cooling water in the cooling channel 701, the heat aggregation in the noise reduction box 3 is avoided, the normal operation of the rotary vane vacuum pump body 4 is avoided, and in addition, the heat dissipation plate 7 is a copper structure, the heat conduction effect of the heat dissipation plate 7 and the heat dissipation fin 401 is increased, and the heat dissipation efficiency is improved, the cooling water tank 8 is a structure disclosed in Chinese Patent No. CN219283771U, has the effect of cooling and refrigeration on water, and the specific structure and principle thereof belong to conventional means or common knowledge, and will not be described here.

[0037] The clamping member comprises a handle bolt 5 screwed on the noise reduction box 3, one end of the handle bolt 5 is arranged in the noise reduction box 3 and is rotationally connected with a clamping plate 6, one end of the clamping plate 6 is in contact with one side of the heat dissipation plate 7 and presses the heat dissipation plate 7 on the heat dissipation fin 401, the heat dissipation plate 7 is fixedly arranged on the heat dissipation fin 401 by rotating the handle bolt 5 to drive the clamping plate 6, and the normal heat conduction of the heat dissipation fin 401 and the heat dissipation plate 7 is guaranteed.

[0038] One side of the heat dissipation plate 7 is provided with a limiting clamping groove 702, one end of the clamping plate 6 is clamped and connected in the limiting clamping groove 702, the clamping plate 6 is limited by the limiting clamping groove 702, and the stability of the installation of the heat dissipation plate 7 is further increased.

[0039] The heat dissipation plate 7 is provided with a plurality of heat conduction grooves 703 on one side, which are matched with the blades of the heat dissipation fins 401, the heat conduction grooves 703 are sleeved on the blades of the heat dissipation fins 401, and the heat conduction grooves 703 can further increase the heat conduction effect of the heat dissipation fins 401 and the heat dissipation plate 7, and further increase the stability of the connection between the heat dissipation fins 401 and the heat dissipation plate 7.

[0040] Working principle: when in use, the rotary vane vacuum pump body 4 is fixedly installed at the inner bottom of the noise reduction box 3, the output pipe of the rotary vane vacuum pump body 4 is led out to the outside of the noise reduction box 3, then the box cover 301 is connected with the noise reduction box 3 through the second bolt 3011, and the sealing of the rotary vane vacuum pump body 4 is completed.

[0041] When the rotary vane vacuum pump body 4 works, the sound-absorbing cotton board 302 and the foamed plastic board 303 can effectively absorb the noise generated by the rotary vane vacuum pump body 4, block the propagation of the noise, and the shock pad 2 can effectively absorb and reduce the transmission of vibration, reduce the vibration generated by the rotary vane vacuum pump body 4, and reduce the influence on the surrounding environment.

[0042] During the working process of the rotary vane vacuum pump body 4, the circulating pump 9 is started to circulate the cooling water in the cooling water tank 8 to the inside of the cooling channel 701 on the heat dissipation plate 7, and the heat generated by the heat dissipation fins 401 is taken away by the circulating cooling water in the cooling channel 701, so that the heat is prevented from gathering in the noise reduction box 3.

[0043] The above description shows and describes several preferred embodiments of the utility model, but as described above, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified by the above teaching or related technology or knowledge within the scope of the utility model concept described herein. The modification and change made by the person skilled in the art without departing from the spirit and scope of the utility model should be within the protection scope of the claims attached to the utility model.

Claims

1. A noise reduction and vibration damping device for a rotary vane vacuum pump, characterized in that, include: The noise reduction mechanism includes a noise reduction box (3), a box cover (301) is installed on the noise reduction box (3), sound insulation components are installed on the inner walls of the noise reduction box (3) and the box cover (301), a rotary vane vacuum pump body (4) is installed at the bottom of the noise reduction box (3), and the sound insulation components are placed around the rotary vane vacuum pump body (4). A vibration damping mechanism comprising a concrete slab (1) on which a vibration damping pad (2) is mounted, and a noise reduction box (3) is mounted on top of the vibration damping pad (2); and The heat dissipation mechanism includes a heat dissipation plate (7) and a cooling water tank (8). The heat dissipation plate (7) is in contact with the heat dissipation fins (401) of the rotary vane vacuum pump body (4), and a cooling channel (701) is provided inside the heat dissipation plate (7). The cooling channel (701) is connected to the cooling water tank (8) through a circulating cooling component.

2. The noise reduction and vibration damping device for a rotary vane vacuum pump according to claim 1, characterized in that: The sound insulation component includes a sound-absorbing cotton board (302) and a foam plastic board (303). The sound-absorbing cotton board (302) is fixedly installed on the inner wall of the noise reduction box (3) and the box cover (301), and the foam plastic board (303) is fixedly installed on the side wall of the sound-absorbing cotton board (302).

3. The noise reduction and vibration damping device for a rotary vane vacuum pump according to claim 1, characterized in that: The shock-absorbing pad (2) is a rubber structure; It also includes a first bolt (101), one end of which passes through the noise reduction box (3) and the shock absorption pad (2) in sequence and is threaded onto the concrete slab (1).

4. The noise reduction and vibration damping device for a rotary vane vacuum pump according to claim 1, characterized in that: Two heat sinks (7) are provided, and they respectively abut against the heat sink fins (401) on both sides of the rotary vane vacuum pump body (4); The circulating cooling component includes a first inlet pipe (7011), a first outlet pipe (7012), a second outlet pipe (801), and a second inlet pipe (802). The two ends of the first inlet pipe (7011) are respectively connected to the inlets of the cooling channels (701) on the two heat sinks (7). The two ends of the first outlet pipe (7012) are respectively connected to the outlets of the cooling channels (701) on the two heat sinks (7). The second outlet pipe (801) and the second inlet pipe (802) are respectively connected to one side of the cooling water tank (8). One end of the second water outlet pipe (801) extends into the interior of the noise reduction box (3) and is fixedly connected to the first water inlet pipe (7011). One end of the second water inlet pipe (802) extends into the interior of the noise reduction box (3) and is fixedly connected to the first water outlet pipe (7012). A circulation pump (9) is fixedly installed on the second water outlet pipe (801). The heat sink (7) is fixedly connected to the heat sink fins (401) by a clamping member.

5. The noise reduction and vibration damping device for a rotary vane vacuum pump according to claim 4, characterized in that: The clamping component includes a handle bolt (5) threaded onto the noise reduction box (3). One end of the handle bolt (5) extends into the interior of the noise reduction box (3) and is rotatably connected to a clamping plate (6). One end of the clamping plate (6) contacts one side of the heat sink (7) and presses the heat sink (7) onto the heat sink fins (401).

6. The noise reduction and vibration damping device for a rotary vane vacuum pump according to claim 5, characterized in that: A limiting slot (702) is provided on one side of the heat sink (7), and one end of the clamp (6) is fitted and snapped into the inside of the limiting slot (702).

7. The noise reduction and vibration damping device for a rotary vane vacuum pump according to claim 6, characterized in that: The heat sink (7) has several heat-conducting grooves (703) on one side that are in contact with the blades of the heat sink fins (401). The heat-conducting grooves (703) are fitted onto the blades of the heat sink fins (401).

Images