Compressor rotor tool

Abstract

The compressor rotor tool comprises a base and a locking piece, the base comprises a fixing part, a connecting part and a sleeving part which are coaxially arranged in sequence, the outer diameter of the connecting part is larger than that of the sleeving part, a first clamping face is formed at the connecting position of the connecting part and the sleeving part, and a second clamping face is formed at the connecting position of the connecting part and the sleeving part. The first clamping surface faces the sleeving part, the sleeving part is provided with a locking hole, the locking piece is inserted into the locking hole to be fixed, the stroke of the locking piece inserted into the locking hole can be adjusted, the locking piece is provided with a second clamping surface opposite to the first clamping surface, and the second clamping surface is provided with a first clamping surface and a second clamping surface opposite to the second clamping surface. The first clamping face and the second clamping face are used for clamping the two ends of a rotor. The compressor rotor tool is simple in structure and convenient to operate, the rotor can be fixed to the base through locking matching of the base and the locking piece, the stroke of the locking piece inserted into the locking hole can be adjusted, clamping of various rotors with different lengths can be achieved, and the universality of the compressor rotor tool is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to a compressor rotor tooling. Background Art

[0002] The rotor is a key component inside the compressor, and gas compression is achieved through its rotational motion. The rotor needs to be fixed during the machining process. When the existing tooling is used to clamp and fix the rotor, the clamping tooling needs to be replaced according to the length of the rotor, etc., which is troublesome to operate and the versatility of the tooling is poor, which affects the machining efficiency. Utility Model Content

[0003] The purpose of this application is to solve the above-mentioned problem and provide a compressor rotor tooling to solve the technical problem of poor versatility of compressor rotor tooling.

[0004] To achieve the above-mentioned purpose, the present application provides a compressor rotor tooling, including a base and a locking piece, the base including a fixing portion, a connecting portion and a sleeve portion coaxially arranged in sequence, the outer diameter of the connecting portion is larger than the outer diameter of the sleeve portion, a first clamping surface is formed at the connection between the connecting portion and the sleeve portion, the first clamping surface faces the sleeve portion, the sleeve portion is provided with a locking hole, the locking piece is inserted into the locking hole for fixing, and the stroke of the locking piece inserted into the locking hole is adjustable, the locking piece is provided with a second clamping surface opposite to the first clamping surface, the first clamping surface and the second clamping surface are used to clamp the two ends of the rotor.

[0005] Compared with the prior art, the compressor rotor tooling of the utility model has a simple structure and is easy to operate. The rotor can be fixed on the base through the locking cooperation between the base and the locking piece, and the stroke of the locking piece inserted into the locking hole is adjustable, so that rotors of various lengths can be clamped, thereby effectively improving the versatility of the compressor rotor tooling.

[0006] In one embodiment, the locking hole is a threaded hole, the locking member is a locking screw, the locking screw comprises a stud, a step portion and a clamping portion coaxially arranged in sequence, the stud is threadedly connected to the threaded hole, the outer diameter of the step portion is larger than the outer diameter of the stud and smaller than or equal to the outer diameter of the sleeve portion, the second clamping surface is provided at one end of the clamping portion facing the step portion, the outer diameter of the clamping portion is larger than the outer diameter of the sleeve portion. Through the threaded connection between the stud and the threaded hole, the first clamping surface and the second clamping surface can clamp the two ends of the rotor.

[0007] In one embodiment, the length of the stud is not greater than the length of the threaded hole, so as to prevent the stud from being too long, which may cause the second clamping surface to fail to abut against the end surface of the rotor, thereby preventing the rotor from being clamped.

[0008] In one embodiment, a force-applying hole is provided at one end of the clamping portion away from the step portion, so as to facilitate the use of tools such as a screwdriver or a wrench to clamp the force-applying hole and screw the locking member into the threaded hole.

[0009] In one embodiment, the force-applying hole is a hexagonal hole, which can transmit a higher torque to tighten the locking member.

[0010] In one embodiment, the second clamping surface is a conical surface, so that the locking member is closely attached to the rotor, thereby enhancing the locking effect.

[0011] In one embodiment, the connecting portion is a conical structure, and its outer diameter gradually decreases toward the sleeve portion. A clamping platform is extended outward from the end surface of the connecting portion close to the sleeve portion. The outer diameter of the clamping platform is larger than the outer diameter of the sleeve portion, and the first clamping surface is provided on the clamping platform. The conical connecting portion can provide more processing space while ensuring structural strength, so as to avoid the connecting portion interfering with the machining of the rotor by the machine tool.

[0012] In one embodiment, the outer diameter of the clamping platform is equal to the minimum outer diameter of the connecting part, the outer diameter of the clamping platform is equal to the minimum outer diameter of the connecting part, the outer diameter range of the clamping platform is φ24.3mm to φ25.4mm, and the height range is 1.8mm to 2.2mm. The outer diameter of the clamping platform is equal to the minimum outer diameter of the connecting part so that the connecting part can be indirectly supported to enhance the clamping strength.

[0013] In one embodiment, the sleeve portion has a circular cross section, and an outer diameter thereof ranges from φ19.03 mm to φ19.04 mm.

[0014] In one embodiment, the length of the sleeve portion ranges from 34.5 mm to 35.5 mm.

[0015] For better understanding and implementation, the present application is described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic structural diagram of a compressor rotor tooling in one embodiment of the present application;

[0017] Figure 2 A cross-sectional view of a compressor rotor tooling in one embodiment of the present application;

[0018] Figure 3 In one embodiment of this application, Figure 2 A partial enlarged view of the compressor rotor tooling at point A;

[0019] Figure 4A parameter diagram of a base in one embodiment of the present application;

[0020] Figure 5 This is a schematic structural diagram of a rotor in one embodiment of the present application being assembled on a compressor rotor tooling;

[0021] Figure 6 This is a cross-sectional view of a rotor in one embodiment of the present application assembled on a compressor rotor tooling.

[0022] Numbers in the figure:

[0023] 1-base, 2-locking piece, 11-fixing part, 12-connecting part, 13-sleeving part, 14-first clamping surface, 15-clamping platform, 21-second clamping surface, 22-stud, 23-step part, 24-clamping part, 100-rotor, 131-locking hole, 241-force application hole. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments of the present application, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the protection scope of the present application. It is understood that the drawings are only provided for reference and illustration, and are not used to limit the present application. The connection relationship shown in the drawings is only for the convenience of clear description and does not limit the connection method.

[0025] It should be noted that when a component is considered to be "connected" to another component, it can be directly connected to the other component, or there may be an intermediate component at the same time. Unless otherwise defined, all technical and scientific terms used in this document have the same meaning as those generally understood by technicians in the technical field of this application. It should also be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. The terms used in this document in the specification of this application are only for the purpose of describing specific embodiments, and are not intended to limit this application.

[0026] It should also be noted that in the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0027] Please also read Figure 1 and Figure 2 The present embodiment provides a compressor rotor tooling, specifically, the compressor rotor tooling includes a base 1 and a locking piece 2, the base 1 includes a fixing portion 11, a connecting portion 12 and a sleeve portion 13 coaxially arranged in sequence, the outer diameter of the connecting portion 12 is larger than the outer diameter of the sleeve portion 13, a first clamping surface 14 is formed at the connection between the connecting portion 12 and the sleeve portion 13, the first clamping surface 14 faces the sleeve portion 13, the sleeve portion 13 is provided with a locking hole 131, the locking piece 2 is inserted into the locking hole 131 for fixing, and the stroke of the locking piece 2 inserted into the locking hole 131 is adjustable, the locking piece 2 is provided with a second clamping surface 21 opposite to the first clamping surface 14, the first clamping surface 14 and the second clamping surface 21 are used to clamp the two ends of the rotor 100.

[0028] Please also read Figure 4 , the fixing portion 11 of the base 1 is clamped and fixed on the machine tool, and its cross-section is circular, which is convenient for the machine tool to clamp at any angle. The diameter of the fixing portion 11 ranges from φ69.2mm to φ70.8mm, and the height ranges from 64.2mm to 65.8mm. In a preferred embodiment, the diameter of the fixing portion 11 is φ70mm and the height is 65mm. In other embodiments, the diameter of the fixing portion 11 may also be φ69.2mm or φ70.8mm; the height of the fixing portion 11 may also be 64.2mm or 65.8mm. In other embodiments, the cross-section of the fixing portion 11 may also be square or other shapes.

[0029] Please also read Figure 3The connecting portion 12 is a conical structure, and its outer diameter gradually decreases toward the sleeve portion 13. A clamping platform 15 extends outward from the end surface of the connecting portion 12 close to the sleeve portion 13. The outer diameter of the clamping platform 15 is larger than the outer diameter of the sleeve portion 13. The first clamping surface 14 is provided on the clamping platform 15. The conical connecting portion 12 can provide more processing space while ensuring the structural strength, so as to prevent the connecting portion 12 from interfering with the machining of the rotor by machine tools. The clamping platform 15 separates the connecting portion 12 from the first clamping surface 14, so as to prevent the rotor 100 from being damaged by direct contact with the connecting portion 12 and affecting the structural strength. In addition, the clamping platform 15 can further provide processing space to facilitate machining. The maximum outer diameter of the connecting portion 12 ranges from φ49.2mm to φ50.8mm, and the minimum outer diameter ranges from φ24.3mm to φ25.4mm. In a preferred embodiment, the maximum outer diameter of the connecting portion 12 is φ50 mm, and the minimum outer diameter is φ24.8 mm. In another embodiment, the maximum outer diameter of the connecting portion 12 may also be φ49.2 mm or φ50.8 mm; the minimum outer diameter of the connecting portion 12 may also be φ24.3 mm or 25.3 mm. In another embodiment, the connecting portion 12 may also be a cylindrical structure, a square structure, or other structures.

[0030] The outer diameter of the clamping platform 15 is equal to the minimum outer diameter of the connecting portion 12, and the outer diameter of the clamping platform 15 ranges from φ24.3mm to φ25.4mm, and the height ranges from 1.8mm to 2.2mm. In a preferred embodiment, the outer diameter of the clamping platform 15 is φ24.8mm, and the height is 2mm. In another embodiment, the outer diameter of the clamping platform 15 may also be φ24.3mm or 25.3mm; the height of the clamping platform 15 may also be 1.8mm or 2.2mm. In another embodiment, the outer diameter of the clamping platform 15 may also be smaller than the minimum outer diameter of the connecting portion 12.

[0031] Please also read Figure 5 and Figure 6, the cross section of the sleeve portion 13 is circular, and the assembly error of the sleeve portion 13 after being coaxially assembled with the rotor 100 is no more than 0.1mm. The length of the sleeve portion 13 is less than the length of the shaft hole of the rotor 100. After the rotor 100 abuts against the first clamping surface 14, there is still space at the shaft hole of the rotor 100 for the locking member 2 to extend into and assemble with the locking hole 131 of the sleeve portion 13, and make the second clamping surface 21 abut against the end face of the rotor 100. The size range of the outer diameter of the sleeve portion 13 is φ19.03mm to φ19.04mm. In a preferred embodiment, the size of the outer diameter of the sleeve portion 13 is φ19.03mm. In another embodiment, the size of the outer diameter of the sleeve portion 13 may also be φ19.04mm, or any value between φ19.03mm and φ19.04mm.

[0032] The length of the sleeve portion 13 ranges from 34.5 mm to 35.5 mm. In a preferred embodiment, the length of the sleeve portion 13 is 35 mm. In another embodiment, the length of the sleeve portion 13 may also be 34.5 mm or 35.5 mm.

[0033] The locking hole 131 is a threaded hole, and the locking member 2 is a locking screw. The locking screw includes a stud 22, a step portion 23, and a clamping portion 24 which are coaxially arranged in sequence. The stud 22 is threadedly connected to the threaded hole. The outer diameter of the step portion 23 is larger than the outer diameter of the stud 22 and smaller than or equal to the outer diameter of the sleeve portion 13. The second clamping surface 21 is provided at one end of the clamping portion 24 facing the step portion 23. The outer diameter of the clamping portion 24 is larger than the outer diameter of the sleeve portion 13. Through the threaded connection between the stud 22 and the threaded hole, the first clamping surface 14 and the second clamping surface 21 can clamp the two ends of the rotor 100. Specifically, the nominal diameter of the threaded hole is 10 mm, and the pitch is 1.5 mm. Correspondingly, the nominal diameter of the stud 22 is 10 mm, and the pitch is 1.5 mm. The M10*1.5mm stud 22 has high tensile strength and torque capacity, can withstand large processing loads of machine tools, and ensure the reliability and durability of the bolt when subjected to vibration, impact or other dynamic loads. The precise thread design (pitch is 1.5mm) helps to provide better fastening effect and anti-loosening ability, so that the rotor 100 is not easy to loosen during processing. In other embodiments, the threaded hole and the stud 22 can also adopt different specifications, such as M8*1.25mm or M12*1.75mm, etc.

[0034] The length of the stud 22 is not greater than the length of the threaded hole, so as to prevent the stud 22 from being too long, causing the second clamping surface 21 to be unable to abut against the end surface of the rotor 100, thereby causing the rotor 100 to be unable to be clamped. In this embodiment, the total length of the threaded hole is 35 mm, the thread length is 30 mm, and the total length of the stud 22 is 20 mm. The length of the stud 22 is not too short, which affects the tight connection between the threaded hole and the stud 22. In addition, the stud 22 also has a certain adjustable stroke, and the stroke of the stud 22 screwing into the threaded hole can be steplessly adjusted according to the length of the rotor 100, so as to achieve the beneficial effect of clamping rotors 100 of various lengths.

[0035] The clamping portion 24 is provided with a force-applying hole 241 at one end away from the step portion 23, so that the force-applying hole 241 can be conveniently engaged with a tool such as a screwdriver or a wrench to screw the locking member 2 into the threaded hole. There is one force-applying hole 241, which is coaxially arranged with the stud 22. In another embodiment, the number of the force-applying holes 241 can also be 3, 4 or other numbers, and the force-applying holes 241 are symmetrically arranged around the center of the clamping portion 24.

[0036] The force application hole 241 is a hexagonal hole, which has a larger contact area with the wrench tool, so that a higher torque can be transmitted when tightening or loosening the screw without damaging the screw head or the wrench. In other embodiments, the force application hole 241 can also be a plum blossom hole, a cross hole or other common force application holes 241.

[0037] The second clamping surface 21 is a conical surface. Specifically, the angle between the conical surface and the axis of the locking member 2 is 45 degrees, which has higher safety and stability. In other embodiments, the angle between the conical surface and the axis of the locking member 2 can also be 30 degrees or other angles.

[0038] The specific examples described above further illustrate the purpose, technical solutions and beneficial effects of the present application in detail. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A compressor rotor tooling, characterized in that: include: A base and a locking piece, the base includes a fixing portion, a connecting portion and a sleeve portion which are coaxially arranged in sequence, the outer diameter of the connecting portion is larger than the outer diameter of the sleeve portion, a first clamping surface is formed at the connection between the connecting portion and the sleeve portion, the first clamping surface faces the sleeve portion, the sleeve portion is provided with a locking hole, the locking piece is inserted into the locking hole for fixing, and the stroke of the locking piece inserted into the locking hole is adjustable, the locking piece is provided with a second clamping surface opposite to the first clamping surface, the first clamping surface and the second clamping surface are used to clamp the two ends of the rotor.

2. The compressor rotor fixture according to claim 1, characterized in that: The locking hole is a threaded hole, and the locking piece is a locking screw. The locking screw includes a stud, a step portion and a clamping portion that are coaxially arranged in sequence. The stud is threadedly connected to the threaded hole, and the outer diameter of the step portion is larger than the outer diameter of the stud and smaller than or equal to the outer diameter of the sleeve portion. The second clamping surface is provided at one end of the clamping portion facing the step portion, and the outer diameter of the clamping portion is larger than the outer diameter of the sleeve portion.

3. The compressor rotor fixture according to claim 2, characterized in that: The length of the stud is not greater than the length of the threaded hole.

4. The compressor rotor fixture according to claim 2, characterized in that: A force application hole is provided at one end of the clamping portion away from the step portion.

5. The compressor rotor fixture according to claim 4, characterized in that: The force application hole is a hexagonal hole.

6. The compressor rotor fixture according to claim 2, characterized in that: The second clamping surface is a tapered surface.

7. The compressor rotor fixture according to any one of claims 1 to 6, characterized in that: The connecting portion is a conical structure, and its outer diameter gradually decreases toward the sleeve portion. A clamping platform extends outward from the end surface of the connecting portion close to the sleeve portion. The outer diameter of the clamping platform is larger than the outer diameter of the sleeve portion. The first clamping surface is arranged on the clamping platform.

8. The compressor rotor fixture according to claim 7, characterized in that: The outer diameter of the clamping platform is equal to the minimum outer diameter of the connecting portion, the outer diameter range of the clamping platform is φ24.3 mm to φ25.4 mm, and the height range of the clamping platform is 1.8 mm to 2.2 mm.

9. The compressor rotor fixture according to any one of claims 1 to 6, characterized in that: The cross section of the sleeve portion is circular, and the outer diameter thereof ranges from φ19.03 mm to φ19.04 mm.

10. The compressor rotor fixture according to claim 9, characterized in that: The length of the sleeve portion ranges from 34.5 mm to 35.5 mm.

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