Liftable positioning mechanism for barrel of fan silencer

Abstract

The utility model relates to a fan silencer barrel lifting positioning mechanism which comprises a bottom plate, an air cylinder and a servo motor are arranged on the lower portion of the bottom plate, a base plate is fixedly connected to a piston rod of the air cylinder, a plurality of adjusting grooves are formed in the bottom plate and the base plate, and positioning rods are slidably connected to the positions, in the adjusting grooves, of the base plate. The lower portion of the base plate is rotationally connected with an adjusting ring, a tooth groove is formed in the inner wall of the adjusting ring, a plurality of arc-shaped grooves are formed in the adjusting ring, the upper end of the positioning rod penetrates through the adjusting groove of the base plate and extends out of the base plate, and the lower end of the positioning rod is located in the arc-shaped grooves. The input end and the output end of the gear transmission assembly are connected with a rotating shaft and a tooth groove of the servo motor respectively. The cylinder positioning device has the advantages that the cylinder positioning device can adapt to positioning of cylinders with different diameters, the application range is wide, and after the cylinders are machined, the positioning rods can automatically descend to give way to discharging of the cylinders.

Description

Technical Field

[0001] The utility model relates to the field of muffler production and processing equipment, in particular to a lifting and lowering positioning mechanism for a fan muffler cylinder. Background Art

[0002] The fan silencer is of the same form as the exhaust duct silencer and the induced draft fan silencer. They all adopt the resistive sound absorption and noise reduction principle which has a good effect on the medium and high frequency broadband characteristics, the resistant sound absorption and noise reduction principle which has a good effect on the low, medium frequency and pulsation characteristics, as well as the micro-perforated silencer and impedance composite silencer.

[0003] When placing sound-absorbing cotton inside the cylinder of the fan muffler, the cylinder needs to be positioned to prevent displacement during the placement process. When the sound-absorbing cotton is placed in the cylinder using a positioning groove, the cylinder may tip over. To prevent the cylinder from tipping over, the existing cylinder is positioned by a positioning column, but the cylinder needs to be lifted before unloading, which is inconvenient. Therefore, a fan muffler cylinder liftable positioning mechanism is required, and the cylinder has different specifications, and general positioning mechanisms are difficult to adapt to positioning requirements of different specifications. Utility Model Content

[0004] The purpose of the utility model is to provide a fan muffler cylinder lifting positioning mechanism, which can adapt to the positioning of cylinders of different diameters, has a wide range of applications, and can automatically lower the positioning rod after the cylinder is processed to make way for the unloading of the cylinder.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fan muffler cylinder lifting and positioning mechanism, comprising a base plate, a cylinder and a servo motor are arranged at the lower part of the base plate, a chassis is fixedly connected to the piston rod of the cylinder, a plurality of adjustment grooves are arranged on the base plate and the chassis, a positioning rod is slidably connected in the adjustment groove on the chassis, an adjusting ring is rotatably connected to the lower part of the chassis, a tooth groove is arranged on the inner wall of the adjusting ring, a plurality of arc grooves are arranged on the adjusting ring, the upper end of the positioning rod passes through the adjustment groove of the base plate and extends outside the base plate, the lower end of the positioning rod is located in the arc groove, a gear transmission assembly is provided in the tooth groove on the chassis, the input end and the output end of the gear transmission assembly are respectively connected to the rotating shaft and the tooth groove of the servo motor.

[0006] Furthermore, the cylinder and the servo motor are both fixedly connected to the base plate, and a plurality of the adjustment grooves are distributed in a ring array on the base plate, and the adjustment grooves are strip-shaped grooves.

[0007] Furthermore, a sleeve is rotatably connected to the positioning rod, and the sleeve is located in the adjustment groove.

[0008] Furthermore, the rotating shaft of the servo motor is fixedly connected to the input end of the gear transmission assembly, and the input end of the gear transmission assembly is meshed with the tooth groove.

[0009] The beneficial effects of the utility model are as follows: through the coordinated use of the base plate, cylinder, servo motor, chassis, positioning rod, adjustment ring and gear transmission assembly, it can adapt to the positioning of cylinders of different diameters, has a wide range of applications, and can automatically lower the positioning rod after the cylinder is processed to make way for the unloading of the cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a schematic diagram from a first perspective of a liftable positioning mechanism for a fan muffler cylinder according to the utility model.

[0011] Figure 2 This is a schematic diagram from a second viewing angle of a fan muffler cylinder liftable positioning mechanism of the utility model.

[0012] Figure 3 The utility model is a schematic diagram of an adjustment ring of a fan muffler cylinder liftable positioning mechanism.

[0013] In the figure: 1, base plate; 2, cylinder; 3, servo motor; 4, chassis; 5, adjustment slot; 6, positioning rod; 601, sleeve; 7, adjustment ring; 701, tooth slot; 702, arc slot; 8, gear transmission assembly. DETAILED DESCRIPTION

[0014] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0015] refer to Figure 1-Figure 3 The fan muffler cylinder body lifting and lowering positioning mechanism shown in the figure comprises a base plate 1, a cylinder 2 and a servo motor 3 are arranged at the lower part of the base plate 1, a chassis 4 is fixedly connected to the piston rod of the cylinder 2, a plurality of adjusting grooves 5 are arranged on the base plate 1 and the chassis 4, a positioning rod 6 is slidably connected in the adjusting groove 5 on the chassis 4, an adjusting ring 7 is rotatably connected at the lower part of the chassis 4, a tooth groove 701 is arranged on the inner wall of the adjusting ring 7, a plurality of arc grooves 702 are arranged on the adjusting ring 7, the upper end of the positioning rod 6 passes through the adjusting groove 5 of the base plate 1 and extends to the outside of the base plate 1, the lower end of the positioning rod 6 is located in the arc groove 702, a gear transmission assembly 8 is arranged in the tooth groove 701 on the chassis 4, and the input end and the output end of the gear transmission assembly 8 are respectively connected to the rotating shaft and the tooth groove 701 of the servo motor 3.

[0016] The cylinder 2 and the servo motor 3 are both fixedly connected to the base plate 1. The cylinder 2 is used to drive the chassis 4 to rise and fall. The plurality of adjustment slots 5 are distributed in a ring array on the chassis 4. The adjustment slots 5 are strip-shaped slots.

[0017] The positioning rod 6 is rotatably connected with a sleeve 601 , and the sleeve 601 is located in the adjustment slot 5 . The sleeve 601 can reduce wear when the position of the positioning rod 6 is adjusted.

[0018] The rotating shaft of the servo motor 3 is fixedly connected to the input end of the gear transmission assembly 8 , and the input end of the gear transmission assembly 8 is meshed with the tooth groove 701 . The servo motor 3 can drive the adjustment ring 7 to rotate through the transmission of the gear transmission assembly 8 .

[0019] The working principle of the utility model is: before using the utility model, first adjust the position of the positioning rod 6 according to the diameter of the cylinder, drive the gear transmission assembly 8 through the servo motor 3 to drive the adjusting ring 7 to rotate, and during the rotation of the adjusting ring 7, driven by the arc groove 702, the positioning rod 6 will slide to a suitable position along the adjusting groove 5, and the adjustment is completed. When the utility model is in use, the cylinder is placed on the bottom plate 1 along the positioning rod 6 to complete the positioning, and the sound-absorbing cotton can be placed. After the placement is completed, the piston rod of the cylinder 2 is extended to drive the chassis 4 to descend, so that the positioning rod 6 can be lowered into the bottom plate 1 to complete the clearance when unloading the cylinder.

[0020] The above embodiments are used to further illustrate the present invention, but the present invention is not limited to these specific implementations. Any modification, equivalent replacement and improvement made within the spirit and principle of the present invention should be understood to be within the protection scope of the present invention.

Claims

1. A fan muffler cylinder lifting and positioning mechanism, characterized in that: The invention comprises a base plate (1), a cylinder (2) and a servo motor (3) are arranged at the lower part of the base plate (1), a base plate (4) is fixedly connected to the piston rod of the cylinder (2), a plurality of adjustment grooves (5) are arranged on the base plate (1) and the base plate (4), a positioning rod (6) is slidably connected in the adjustment grooves (5) on the base plate (4), an adjustment ring (7) is rotatably connected to the lower part of the base plate (4), and a tooth groove (701) is arranged on the inner wall of the adjustment ring (7) The adjusting ring (7) is provided with a plurality of arc grooves (702), the upper end of the positioning rod (6) passes through the adjusting groove (5) of the base plate (1) and extends out of the base plate (1), the lower end of the positioning rod (6) is located in the arc groove (702), and a gear transmission assembly (8) is provided in the tooth groove (701) on the chassis (4), and the input end and the output end of the gear transmission assembly (8) are respectively connected to the rotating shaft of the servo motor (3) and the tooth groove (701).

2. The fan muffler cylinder lifting and positioning mechanism according to claim 1 is characterized in that: The cylinder (2) and the servo motor (3) are both fixedly connected to the base plate (1), and a plurality of the adjustment slots (5) are distributed in a ring array on the base plate (4), and the adjustment slots (5) are strip-shaped slots.

3. The fan muffler cylinder liftable positioning mechanism according to claim 1, characterized in that: A sleeve (601) is rotatably connected to the positioning rod (6), and the sleeve (601) is located in the adjustment groove (5).

4. The fan muffler cylinder lifting and positioning mechanism according to claim 1 is characterized in that: The rotating shaft of the servo motor (3) is fixedly connected to the input end of the gear transmission assembly (8), and the input end of the gear transmission assembly (8) is meshed with the tooth groove (701).

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