CN210317753U - Energy-saving double-screw molded line - Google Patents
Energy-saving double-screw molded line Download PDFInfo
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- CN210317753U CN210317753U CN201920751928.1U CN201920751928U CN210317753U CN 210317753 U CN210317753 U CN 210317753U CN 201920751928 U CN201920751928 U CN 201920751928U CN 210317753 U CN210317753 U CN 210317753U
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Abstract
The utility model relates to an energy-conserving double screw molded lines, this double screw molded lines include two rotors that the reverse external toothing of parallel shaft set up each other, and two rotors are cloudy rotor and positive rotor respectively, and the structure of cloudy rotor and positive rotor is the same. The embodiment of the utility model provides an in energy-conserving twin-screw molded lines, specifically include the male rotor, the male rotor includes the screw rod and fixes the profile tooth of establishing in the screw rod outer lane; the molded lines of the profile teeth comprise tooth top lines, tooth root lines, large arc-shaped tooth profiles, straight tooth profiles and small arc-shaped tooth profiles. The embodiment of the utility model provides a do not have inside closed area in the meshing process, reduce the noise, save the drive energy, its meshing position is laminated each other, has good agreeable nature, is showing and has reduced the leakage loss, and this molded lines still helps reducing wearing and tearing, improves transmission efficiency; the embodiment of the utility model provides a can also reduce the deposit of particulate matter at molded lines tooth root position effectively, reduce the air compressor machine and maintain.
Description
Technical Field
The utility model relates to an air compressor machine equipment field specifically is an energy-conserving double screw molded lines.
Background
An air compressor is a device for compressing gas. The air compressor is constructed similarly to a water pump. Most air compressors are reciprocating piston type, rotating vane or rotating screw. All the existing double-screw air compressors are multi-head and have complex tooth shapes. The key technology of the air compressor is a pair of intermeshing spiral rotors, the key of the intermeshing rotors is the end surface profile of the rotors, and the quality of the end surface profile directly influences the performance of the air compressor, such as tightness, efficiency, area utilization coefficient and the like, and simultaneously determines the processing and manufacturing cost of the air compressor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an energy-conserving twin-screw molded lines to solve the problem that proposes in the above-mentioned background art.
Specifically, in order to realize the above purpose, the embodiment of the utility model provides a following technical scheme:
the utility model provides an energy-conserving twin-screw molded lines, this twin-screw molded lines include two rotors that the reverse external toothing of parallel shaft set up each other, and two rotors are female rotor and male rotor respectively, and female rotor and male rotor's structure is the same.
The embodiment of the utility model provides an in energy-conserving twin-screw molded lines, including the male rotor, the male rotor includes the screw rod and fixes the profile tooth of establishing in the screw rod outer lane;
the molded lines of the profile teeth comprise tooth top lines, tooth root lines, large arc-shaped tooth profiles, straight tooth profiles and small arc-shaped tooth profiles;
the large arc-shaped tooth profile satisfies the following parameter equation: x is 12a cos (t3) × (1+ cos (t3)), and y is 3.5a sin (t3) × (1+ cos (t 3));
the small arc-shaped tooth profile satisfies the following parameter equation: x is 3a t1/(1+ t13), and y is 3a t12/(1+ t 13).
As the embodiment of the utility model provides a technical scheme's further injects, the type tooth with the screw rod is the integrated into one piece structure to improve the stability of type tooth at the screw rod outer lane.
As the utility model discloses technical scheme's further injects, the both ends of screw rod are all fixed and are provided with the bearing installation department, the constant head tank has been seted up along its central axis to the terminal surface of bearing installation department, through the bearing installation department that has the location to make things convenient for the assembly of this male rotor.
As the embodiment of the utility model provides a technical scheme's further injects, the male rotor adopts stainless steel processing to form, has the high rigidity, difficult rust, long service life's advantage.
As the embodiment of the utility model provides a technical scheme's further injects, the sectional area of screw rod is greater than the sectional area of bearing installation department.
As the embodiment of the utility model provides a technical scheme's further inject, through the smooth transitional coupling of first transition pitch arc between one side of tooth root line and the big arc tooth profile line.
As a further limitation of the technical solution of the embodiment of the present invention, the other side of the tooth root line is in smooth transition connection with one of the small arc-shaped tooth profiles through a second transition arc line, and both ends of the straight tooth profile are in smooth transition connection with two corresponding small arc-shaped tooth profile lines through two third transition arc lines, respectively;
the smooth transition connection is adopted between the tooth root line and the tooth profile line, so that the smooth transition is formed between the tooth roots and the tooth profiles on the male rotor and the female rotor, no internal closed area exists in the meshing process, the noise is reduced, and the driving energy is saved.
As an embodiment of the present invention is further defined, the friction coefficient between the end surface of the male rotor at the tip line thereof and the end surface of the female rotor at the root line thereof and the friction coefficient between the end surface of the male rotor at the root line thereof and the end surface of the female rotor at the tip line thereof are both 0.15.
Compared with the prior art, the embodiment of the utility model provides an energy-conserving double screw molded lines's beneficial effect is:
1. the utility model discloses adopt smooth transitional coupling between tooth root line and the profile of tooth line, can make and form smooth transition between the tooth root on male rotor and the female rotor and the profile of tooth, do not have inside closed area at the meshing in-process, noise reduction, so, can save the driving energy to a certain extent.
2. The embodiment of the utility model provides a male rotor and female rotor in the energy-conserving twin-screw molded lines are when the meshing, and its meshing position is laminated each other, have good agreeable nature, can show and reduce leakage loss, and this molded lines has less enclosed volume and great tooth space area, helps reducing wearing and tearing, improves transmission efficiency.
3. The embodiment of the utility model provides a tooth profile is the curvilinear structure, and it is similar to have the portion of bulging, and when the air compressor machine was operated at a high speed, the screw rod was high-speed rotatory promptly, and the portion of should bulging can produce outside effort to the particulate matter, therefore reduces the deposit of particulate matter at molded lines tooth root position effectively, has reduced the air compressor machine and has maintained, improves air compressor machine life.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for the embodiments of the present invention or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, not all embodiments.
Fig. 1 is a schematic view of a three-dimensional structure at a viewing angle in an energy-saving twin-screw molded line provided by an embodiment of the present invention.
Fig. 2 is a schematic perspective view of another view angle in the energy-saving twin-screw molded line provided by the embodiment of the present invention.
Fig. 3 is a front view of an energy-saving twin-screw molded line provided by an embodiment of the present invention at a viewing angle.
Fig. 4 is a front view of another view angle of the energy-saving twin-screw profile according to an embodiment of the present invention.
Fig. 5 is a right side view of the energy efficient twin screw profile shown in fig. 4.
Fig. 6 is a partial sectional view of an energy-saving twin-screw profile provided by an embodiment of the present invention.
In the figure: 1-male rotor, 2-profile tooth, 3-screw, 4-bearing mount, 5-locating slot, 6-tip line, 7-root line, 8-first transition arc, 9-big arc tooth profile, 10-straight tooth profile, 11-little arc tooth profile, 12-second transition arc, 13-third transition arc.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail.
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In an embodiment of the present invention, an energy-saving twin-screw molded line includes two rotors which are arranged by engaging mutually parallel shafts reversely, the two rotors are respectively a female rotor and a male rotor 1, and the female rotor and the male rotor 1 have the same structure, for convenience of description, the embodiment of the present invention is described as follows for the male rotor 1.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Specifically, as shown in fig. 1-4, the embodiment of the utility model provides an among energy-conserving twin-screw molded lines, including male rotor 1, male rotor 1 includes that screw rod 3 and fixed cover are established the type tooth 2 of 3 outer lanes of screw rod, it is further, type tooth 2 with screw rod 3 is the integrated into one piece structure to improve the stability of type tooth 2 in 3 outer lanes of screw rod.
Referring to fig. 1-4, in an embodiment of the present invention, bearing mounting portions 4 are fixedly disposed at both ends of the screw rod 3, and positioning grooves 5 are disposed on end surfaces of the bearing mounting portions 4 along a central axis thereof, and pass through the bearing mounting portions 4 having the positioning grooves 5, so as to facilitate assembly of the male rotor 1.
The embodiment of the utility model provides an in the further scheme, the embodiment of the utility model provides a male rotor 1 adopts the processing of stainless steel material to form, and it has the high rigidity, is difficult for rustting, long service life's advantage.
In the embodiment provided by the present invention, the sectional area of the screw rod 3 is larger than the sectional area of the bearing mounting portion 4.
Further, as shown in fig. 1 to 6, in the embodiment provided by the present invention, the profile of the profile tooth 2 includes an addendum line 6, a dedendum line 7, a large arc-shaped tooth profile 9, a straight tooth profile 10 and a small arc-shaped tooth profile 11, one side of the dedendum line 7 is in smooth transition connection with the large arc-shaped tooth profile 9 through a first transition arc line 8, the other side of the dedendum line 7 is in smooth transition connection with one of the small arc-shaped tooth profiles 11 through a second transition arc line 12, and two ends of the straight tooth profile 10 are in smooth transition connection with two corresponding small arc-shaped tooth profiles 11 through two third transition arc lines 13;
the smooth transition connection is adopted between the tooth root line and the tooth profile line, so that the smooth transition is formed between the tooth roots and the tooth profiles on the male rotor and the female rotor, no internal closed area exists in the meshing process, the noise is reduced, and the driving energy is saved.
In particular, in the embodiment of the present invention, in the large arc-shaped tooth profile 9, the large arc-shaped tooth profile 9 satisfies the following parameter equation: x is 12a cos (t3) × (1+ cos (t3)), and y is 3.5a sin (t3) × (1+ cos (t 3));
in addition, in the embodiment of the present invention, the small arc-shaped tooth profile 11 satisfies the following parameter equation: x 3a t1/(1+ t13), y 3a t12/(1+ t 13);
in an embodiment, the coefficient of friction between the end face of the male rotor at its addendum line and the end face of the female rotor at its dedendum line and the coefficient of friction between the end face of the male rotor at its dedendum line and the end face of the female rotor at its addendum line are both 0.15.
It can be understood that when the male rotor and the female rotor in the energy-saving double-screw molded line provided by the embodiment of the invention are meshed, the meshed parts are mutually attached, so that the energy-saving double-screw molded line has good conformity, the leakage loss can be obviously reduced, and the molded line has smaller closed volume and larger area between teeth, thereby being beneficial to reducing abrasion and improving the transmission efficiency;
additionally, the embodiment of the utility model provides a tooth profile is the curvilinear structure, and it is similar to have the portion of bulging, and when the air compressor machine was high-speed when moving, the screw rod was high-speed rotatory promptly, and the portion of should bulging can produce outside effort to the particulate matter, therefore reduces the deposit of particulate matter at molded lines tooth root position effectively, has reduced the air compressor machine and has maintained, improves air compressor machine life.
It should be noted that all the directional indicators (such as upper, lower, left, right, front, rear, inner and outer …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
Furthermore, the descriptions in this application related to "a," "an," "two," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features being indicated. Thus, a feature defined as "a", "an", or "two" may explicitly or implicitly include at least one of the feature.
In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. An energy-saving double-screw molded line is characterized by comprising a male rotor (1), wherein the male rotor (1) comprises a screw (3) and a molded tooth (2) fixedly sleeved on the outer ring of the screw (3);
the molded line of the molded tooth (2) comprises an addendum line (6), a dedendum line (7), a large arc-shaped tooth profile (9), a straight tooth profile (10) and a small arc-shaped tooth profile (11);
the large arc-shaped tooth profile (9) meets the following parameter equation: x is 12a cos (t3) × (1+ cos (t3)), and y is 3.5a sin (t3) × (1+ cos (t 3));
the small arc-shaped tooth profile (11) meets the following parameter equation: x 3a t1/(1+ t13), y 3a t12/(1+ t 13);
the profile teeth (2) and the screw (3) are of an integrally formed structure;
bearing installation parts (4) are fixedly arranged at two ends of the screw (3), and positioning grooves (5) are formed in the end surfaces of the bearing installation parts (4) along the central axis of the bearing installation parts;
the sectional area of the screw rod (3) is larger than that of the bearing mounting part (4);
one side of the tooth root line (7) is in smooth transition connection with the large arc-shaped tooth profile line (9) through a first transition arc line (8).
2. The energy-saving twin-screw profile according to claim 1, characterized in that the male rotor (1) is machined from a stainless steel material.
3. The energy-saving twin-screw profile according to claim 1, characterised in that the other side of the tooth root line (7) is in smooth transition connection with one of the small arc-shaped tooth profiles (11) by means of a second transition arc (12).
4. The energy-saving twin-screw profile according to claim 3, characterized in that both ends of the straight tooth profile (10) are smoothly transitionally connected with two corresponding small arc-shaped tooth profiles (11) through two third transition arcs (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920751928.1U CN210317753U (en) | 2019-05-23 | 2019-05-23 | Energy-saving double-screw molded line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920751928.1U CN210317753U (en) | 2019-05-23 | 2019-05-23 | Energy-saving double-screw molded line |
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| Publication Number | Publication Date |
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| CN210317753U true CN210317753U (en) | 2020-04-14 |
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| CN201920751928.1U Active CN210317753U (en) | 2019-05-23 | 2019-05-23 | Energy-saving double-screw molded line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109989921A (en) * | 2019-05-23 | 2019-07-09 | 萨震压缩机（上海）有限公司 | A kind of energy conservation twin-screw molded line |
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2019
- 2019-05-23 CN CN201920751928.1U patent/CN210317753U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109989921A (en) * | 2019-05-23 | 2019-07-09 | 萨震压缩机（上海）有限公司 | A kind of energy conservation twin-screw molded line |
| CN109989921B (en) * | 2019-05-23 | 2024-06-21 | 萨震压缩机（上海）有限公司 | Energy-saving double-screw air compressor |
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