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Low pulsating rotary pump for realizing quantitative transportation of material

A rotor pump and material technology, applied in the direction of rotary piston pumps, liquid fuel engines, rotary piston/swing piston pump components, etc., to achieve stable feeding, ensure accuracy, and reduce gaps

Active Publication Date: 2011-04-27
HEBEI XIAOJIN MACHINERY MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Gear pumps or rotor pumps are used, which have simple structure, small size, relatively easy manufacture, and low cost, but the phenomenon of displacement pulsation has always plagued the filling industry. Due to the existence of displacement pulsation, through gear pumps or rotors The pump cannot discharge the material quantitatively, which makes the weight of the product after filling inconsistent, and makes the speed of the actuator unstable, causing vibration and noise, thereby limiting its scope of use; and the use of vane pumps can effectively solve the problem of material filling. The pulsation phenomenon that exists during installation, but its structure is complex and the cost is high
The existing vacuum filling technology is used when the rotor pump is used to realize quantitative filling. However, when the technology is used, it is easy to cause the material to block the vacuum port when the pump is stopped. The material flows into the vacuum port, which is inconvenient to clean and affects work efficiency

Method used

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  • Low pulsating rotary pump for realizing quantitative transportation of material
  • Low pulsating rotary pump for realizing quantitative transportation of material
  • Low pulsating rotary pump for realizing quantitative transportation of material

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Embodiment Construction

[0023] Depend on Figure 1-Figure 4 It can be seen that the low-pulsation rotor pump of the present invention includes a pump body 11 and a pump cover 10 pressing and covering the top of the pump body 11. The pump cover 10 is provided with a feed 26 connected to the feeder. There is a pump chamber 12, the left rotor 8 and the right rotor 9 corresponding to and engaged with the left rotor 8 are respectively placed on the driving shaft 13 and the driven shaft 14 in the pump chamber 12, and the driving shaft 13 and the driven shaft 14 rotate in opposite directions , so as to drive the left rotor 8 to mesh with the right rotor 9 and rotate in reverse. In the pump chamber 12 above the joint of the two rotors, there is a loading area 15 opposite to the feed port 26, and a discharge area is provided below the joint. Port 16. In this embodiment, each of the rotors 8 and 9 has eight teeth, and each tooth is arc-shaped, and each rotor is twisted from its upper end surface to its lower e...

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Abstract

The invention relates to a low-impulse rotor pump for realizing fixed-amount conveying of material. The special low-impulse rotor pump comprises a pump body (11) and a pump cover (10) pressed above the pump body (11); the rotors (8) and (9) are such rotor pair that they correspond to each other and gears on the surface are spiral. By adopting the technical proposal, the rotor pump can effectively reduce discharge impulse with low cost and simple structure.

Description

technical field [0001] The invention relates to a low-pulsation rotor pump used in food, chemical and other industries to fill viscous, thick, or pasty materials containing small pieces of soft substances, and realize quantitative delivery of materials. Background technique [0002] At present, when using similar equipment on the market to quantitatively fill food and chemical viscous, minced or pasty materials containing small pieces of soft substances into products, gear pumps, rotor pumps and vane pumps are mostly used. Gear pumps or rotor pumps are used, which have simple structure, small volume, relatively easy manufacture, and low cost, but the phenomenon of displacement pulsation has always plagued the filling industry. Due to the existence of displacement pulsation, through gear pumps or rotors The pump cannot discharge the material quantitatively, so that the weight of the product after filling is not uniform, and the speed of the actuator is unstable, causing vibr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65B3/26F04C2/12F04C15/00
Inventor 王根成
Owner HEBEI XIAOJIN MACHINERY MFG