CN113878373A - Pump body connecting frame machining tool and method thereof - Google Patents

Pump body connecting frame machining tool and method thereof Download PDF

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Publication number
CN113878373A
CN113878373A CN202111279065.0A CN202111279065A CN113878373A CN 113878373 A CN113878373 A CN 113878373A CN 202111279065 A CN202111279065 A CN 202111279065A CN 113878373 A CN113878373 A CN 113878373A
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CN
China
Prior art keywords
mounting
connecting frame
end cover
hole
pump body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111279065.0A
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Chinese (zh)
Inventor
余敏
余伟平
杨丹飞
张丹艺
周维坚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Pump Factory Co Ltd
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Zhejiang Pump Factory Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Pump Factory Co Ltd filed Critical Zhejiang Pump Factory Co Ltd
Priority to CN202111279065.0A priority Critical patent/CN113878373A/en
Priority to PCT/CN2021/131512 priority patent/WO2023070776A1/en
Publication of CN113878373A publication Critical patent/CN113878373A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q2703/00—Work clamping
    • B23Q2703/02—Work clamping means
    • B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)

Abstract

The invention relates to a pump body connecting frame machining tool and a pump body connecting frame machining method. The pump body connecting frame machining tool comprises a mounting piece, wherein the mounting piece is detachably fixed on the end face, close to the seamless pipe side, of an end cover of the connecting frame, a plurality of mounting holes corresponding to casting holes of the end cover are formed in the mounting piece in a penetrating mode, and a center of the mounting piece is provided with a center hole corresponding to a central axis of a seamless pipe; in addition, the lathe center is abutted with the center hole in the central axis of the seamless pipe, so that the central axis of rotation of the connecting frame can be coincided with the central axis of the seamless pipe, and the connecting frame has high coaxiality in the machining process.

Description

Pump body connecting frame machining tool and method thereof
Technical Field
The invention relates to a processing tool, in particular to a processing tool and a processing method for a pump body connecting frame.
Background
The connecting frame of the pump is usually used for connecting the pump body and the pump base and plays a role in protecting the main shaft, and in addition, when the end face of the connecting frame is processed to be uneven, the situation of oil leakage at the connecting part of the connecting frame and the pump body can be caused, so the requirement on the flatness processing of the end face of the connecting frame is usually high;
at present, when the end face of a connecting frame is subjected to plane machining, turning machining is generally adopted, namely a chuck clamps one end of the connecting frame, and because the end faces on the two sides of the connecting frame are provided with hollow holes and cannot be fixed through a tip, a supporting structure is arranged to support a seamless pipe, but the supporting structure is only used for supporting the seamless pipe, the concentricity of the connecting frame cannot be ensured, and when the length of the connecting frame is longer, the other end of the connecting frame can generate radial run-out in the rotating process, so that machining errors are generated;
at present, for a connecting frame with a longer length, the long connecting frame is generally divided into a plurality of sections of short connecting frames, the seamless pipes are supported, the connecting frames are processed, and the short connecting frames are combined and fixed after the processing is finished, so that the steps are complicated, and the efficiency is lower.
Disclosure of Invention
Therefore, the pump body connecting frame machining tool and the pump body connecting frame machining method need to solve the problems that radial runout is easy to generate and concentricity is difficult to guarantee when a connecting frame with a long length is machined by a seamless pipe supporting mode, and radial deviation of the long connecting frame during machining can be avoided, and concentricity can be guaranteed.
The utility model provides a pump body link processing frock, includes the installed part, the end cover that installed part detachable is fixed in the link is close to the terminal surface of seamless pipe side, link up on the installed part seted up a plurality ofly with the mounting hole that the casting hole of end cover corresponds, just the center of installed part seted up with the apex hole that the axis of seamless pipe corresponds.
According to the pump body connecting frame machining tool, the mounting piece is mounted to one side end cover of the connecting frame, so that one end, provided with the mounting piece, of the connecting frame can be abutted to the top of a lathe during machining, the other end of the connecting frame can be clamped by a lathe chuck, and the connecting frame is enabled to have better rigidity and more accurate axial positioning in the machining process, bear larger axial cutting force and ensure coaxiality by a clamping mode of clamping one end by one end, and radial runout of the connecting frame in the machining rotation process is avoided; in addition, the lathe center is abutted with the center hole in the central axis of the seamless pipe, so that the central axis of rotation of the connecting frame can be coincided with the central axis of the seamless pipe, and the connecting frame has high coaxiality in the machining process.
In one embodiment, the mounting piece and the end cover are connected through bolts, and the diameter of the mounting hole is larger than that of the casting hole.
So set up for when follow-up dismantlement installed part from the end cover, only need carry out reaming processing on the basis in casting hole, can detach bolt root and the same processing of casting hole lateral wall, thereby make installed part and end cover separation, the recovery of the installed part of being convenient for.
In one embodiment, a plurality of contact bases are fixedly arranged on one side surface of the mounting piece close to the end cover, each contact base is provided with one mounting hole, and the mounting holes penetrate through the contact bases.
So set up, be convenient for adjust the depth of parallelism after installation of installed part and end cover is accomplished.
In one embodiment, the mounting member comprises a first mounting member and a second mounting member, and the first mounting member and the second mounting member are detachably fixed.
So set up, when demolising the installed part, can be earlier with the installed part split for first installed part and the second installed part that the volume is littleer to be convenient for take out it through the cavity hole, reach the effect that the degree of difficulty was retrieved to further reduction installed part.
In one embodiment, the first mounting member is fixedly provided with a tip seat, the tip seat is provided with the tip hole, and the tip seat and the contact seat are located on the same side end surface.
So set up, avoid the apical pore to be worn and torn by the lathe centre after long-time the use to increase the life of installed part.
In one embodiment, the first mounting element is arranged in a cross-shape with the second mounting element.
So set up to make the distribution of contacting the seat more even, thereby guarantee to fix firmly between installed part and the end cover.
In one embodiment, the first installation part and the second installation part are provided with clamping grooves.
So set up to play the location effect when first installed part and second installed part butt joint installation, thereby simplified the installation degree of difficulty between first installed part and the second installed part.
A pump body connecting frame machining method adopts the pump body connecting frame machining tool, and comprises the following steps:
a) the mounting hole of the mounting piece corresponds to the casting hole of one end cover one by one, and the mounting piece is fixed on the end face of the end cover close to the seamless pipe side;
b) clamping the end cover on the side, where the mounting piece is not fixed, of the connecting frame by using a chuck of a lathe, inserting a tip of the lathe into a tip hole of the mounting piece, and starting the lathe to finish plane machining on the end face of the connecting frame;
c) after the processing is finished, the mounting piece is detached from the connecting frame;
d) and fixing the mounting piece on the end cover on the other side, and repeating the processes from a to c to finish the end surface plane processing of the end cover on the other side.
In one embodiment, a comprises
a1) Fixedly connecting the first mounting piece and the second mounting piece in a cross manner to obtain the mounting piece;
a2) penetrating a bolt through the mounting hole of the mounting piece and connecting the bolt with the side wall of the casting hole of one end cover in a threaded mode until the bolt and the end face, close to the seamless pipe side, of the end cover clamp the mounting piece;
a3) and welding the seamless pipe and the two end covers to obtain the connecting frame.
In one embodiment, c comprises
c1) Releasing the cross fixation between the first mounting part and the second mounting part;
c2) reaming the position of a casting hole of the end cover provided with the mounting piece to obtain a connecting hole with a diameter larger than that of the casting hole, so that the first mounting piece and the second mounting piece fall off after losing connection;
c3) and taking out the first mounting piece and the second mounting piece which fall off from the seamless pipe.
Drawings
FIG. 1 is a right side view of the mount of the present invention;
FIG. 2 is a schematic diagram of a right side view of the right end cap of the connection frame;
FIG. 3 is a schematic cross-sectional view in elevation of the bracket with the mounting member attached thereto;
fig. 4 is a schematic cross-sectional structural view in a front view direction of the first mounting part and the second mounting part in a disassembled state;
fig. 5 is a right structural diagram of the first mounting member and the second mounting member in a combined state;
FIG. 6 is a cross-sectional view of the attachment bracket in an elevational orientation with the mounting member installed;
FIG. 7 is a schematic cross-sectional view of the connecting frame after the machining process;
FIG. 8 is a schematic flow chart diagram of a pump body interface frame processing method of the present invention;
FIG. 9 is a flow chart of a portion of the steps of the pump body interface frame method of the present invention;
FIG. 10 is a flow chart of a portion of the steps of the method of manufacturing the pump body attachment bracket of the present invention.
Description of the main elements
10. A connecting frame; 11. an end cap; 111. casting a hole; 112. a hollow bore; 113. connecting holes; 12. a seamless pipe; 20. a mounting member; 21. a first mounting member; 211. mounting holes; 212. a tip hole; 213. a contact base; 214. a tip seat; 215. a clamping groove; 22. a second mount.
The present invention is described in further detail with reference to the drawings and the detailed description.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.
In the prior art, when the end cover 11 of the pump body connecting frame 10 is machined in a planar manner, a hollow hole 112 is formed in the center of the end cover 11, and in order to reduce raw material waste, the hollow hole 112 is usually formed in the casting process of the end cover 11, so that a lathe center cannot be abutted against the connecting frame 10 to complete clamping in the planar machining process of the end cover 11;
therefore, in the prior art, the connection frame 10 is often processed in a manner that one end of the connection frame 10 is clamped by a chuck and a supporting structure (such as a V-shaped block) is used for supporting the seamless pipe 12 of the connection frame 10;
however, because the other end of the connecting frame 10 is in an under-positioned state, only the degrees of freedom in the axial direction, the left direction and the right direction are limited, but the degree of freedom in the axial direction is not limited, and in order to meet the degree of freedom limitation required by machining, for some connecting frames 10 with longer lengths, when the lathe drives the connecting frame 10 to start rotating, the other end is easy to generate radial run-out in the rotating process, and the longer the length of the connecting frame 10 is, the more the radial run-out is obvious, so that the machining precision is lower;
therefore, at present, when the end caps 11 of the connecting frames 10 with long lengths are machined, most of the connecting frames 10 can only be divided into multiple sections of short connecting frames 10, the connecting frames are machined in the above mode, and after the machining is finished, the connecting frames 10 are combined and fixed into the long connecting frame 10, so that the steps are complicated, and the efficiency is low.
In view of the above problems, the present invention provides a pump body connection frame processing tool, please refer to fig. 1 and 2, which includes a mounting member 20, the mounting member 20 is detachably fixed to an end surface of the end cover 11 of the connection frame 10 near the seamless pipe 12, the mounting member 20 is provided with a plurality of mounting holes 211 corresponding to the casting holes 111 of the end cover 11, and the center of the mounting member 20 is provided with a tip hole 212 corresponding to the central axis of the seamless pipe 12.
After the mounting piece 20 is fixed on one end cover 11 of the connecting frame 10, when the connecting frame 10 is clamped to a lathe, a lathe center can be abutted against the mounting piece 20, and the other end cover 11 of the connecting frame 10 is clamped by matching with a lathe chuck, so that the connecting frame 10 is clamped;
at the moment, the tail ends of the two sides of the connecting frame 10 are respectively clamped and limited by the tip and the chuck (similar to lathe machining of shaft parts), so that the connecting frame 10 cannot jump radially in the machining and rotating process, and the machining requirement of the connecting frame 10 with longer length is met;
therefore, the whole long connecting frame 10 can be directly processed, and the difficulty and cost of plane processing of the end cover 11 of the connecting frame 10 are greatly reduced.
In addition, as shown in fig. 3, since the center hole 212 is opened corresponding to the central axis of the seamless tube 12, after the center is inserted into the center hole 212, the center of the lathe coincides with the central axis of the seamless tube 12; the lathe chuck clamps the end cover at the other side of the connecting frame 10, and the center point of the lathe chuck is superposed with the central axis of the seamless pipe 12;
therefore, when the connecting frame 10 is machined, the connection line between the lathe center and the chuck center point (namely the rotation central axis of the lathe) can be ensured to coincide with the central axis of the seamless pipe 12, so that the connecting frame 10 has higher coaxiality in the rotation machining process, and the plane machining precision of the end cover 11 is improved.
Further, the mounting member 20 is detachably fixed to the end surface of the end cover 11 of the connection frame 10 on the side close to the seamless pipe 12, that is, after the mounting member 20 is mounted, the mounting member 20 is located on the side of the end cover 11 close to the seamless pipe 12;
on one hand, the center of the lathe can penetrate through the hollow hole 112 and then is abutted against the side wall of the center hole 212, and the normal clamping of the connecting frame 10 is not influenced; on the other hand, the end face of the end cover 11 to be processed, i.e., the end face away from the seamless pipe 12 side, can be completely exposed, so that the flatness processing can be facilitated, and the situation that the flatness processing is affected due to the fact that the mounting piece 20 protrudes from the end face can be avoided.
In the embodiment shown in fig. 3, the mounting member 20 is connected to the end cover 11 by bolts, and the diameter of the mounting hole 211 is larger than that of the casting hole 111; when the bolt is connected, the bolt is in threaded connection with the side wall of the casting hole 111 and is in clearance fit with the mounting hole 211 (the diameter of the mounting hole 211 is larger than that of the bolt).
During installation, firstly, a bolt penetrates through the installation hole 211 of the installation piece 20 and is in threaded connection with the side wall of the casting hole 111, the head of the bolt is positioned on one side, away from the end cover 11, of the installation piece 20, and the bolt is rotated until the head of the bolt and the end face, close to the seamless pipe 12, of the end cover 11 clamp and fix the installation piece 20; repeating the above process until the mounting holes are provided with bolts, and then completing the mounting of the mounting pieces 20;
when the mounting part 20 is subsequently disassembled, the connection relationship between the mounting part 20 and the end cover 11 can be disconnected only by reaming the casting hole 111 and the position of the bolt to obtain the connection hole 113;
the reaming process is to drill or remove the root of the bolt together with the sidewall of the casting hole 111 by other processing methods, and obtain a connecting hole 113 with a larger diameter on the basis of the casting hole 111; when the reaming of all the casting holes 111 is completed, the connection between the mount 20 and the end cap 11 is lost since the bolt roots are machined away, so that the mount 20 is detached from the end cap 11, and the recovery mount 20 is removed through the hollow hole 112.
In addition, the diameter of the mounting hole 211 is greater than or equal to that of the connection hole 113, so that the mounting hole 211 is not damaged in the processing process of the connection hole 113; in addition, because the bolts are in clearance fit with the mounting holes 211, the bolts at the rest part in the mounting piece 20 can be easily and directly taken out, and the mounting piece 20 is convenient to recycle.
In the embodiment shown in fig. 1, a plurality of contact bases 213 are fixedly disposed on a side surface of the mounting member 20 close to the end cover 11, each contact base 213 has a mounting hole 211, and the mounting hole 211 penetrates through the contact base 213; through setting firmly contact base 213 for the circumstances such as wearing and tearing appear after installed part 20 uses for a long time, buckle, when leading to installed part 20 can't keep parallel with end cover 11 after the installation, can adjust the thickness of each contact base 213 through processing, thereby guarantee that installed part 20 keeps parallel with end cover 11 after the installation is accomplished, reach the effect that improves the axiality when follow-up end cover 11 planar processing.
In the embodiment shown in fig. 4 and 5, the mounting member 20 comprises a first mounting member 21 and a second mounting member 22, the first and second mounting members 21, 22 being detachably fixed.
By detachably fixing the first mounting part 21 and the second mounting part 22 to form the mounting part 20, when the mounting part 20 is detached, the fixing relationship between the first mounting part 21 and the second mounting part 22 can be firstly released, and then the mounting part 20 is detached from the end cover 11 as described above, and since the mounting part 20 is detached into the first mounting part 21 and the second mounting part 22, the volume of a single part is reduced, so that the first mounting part 21 and the second mounting part 22 can be more easily taken out through the hollow hole 112, and the difficulty in recycling the mounting part 20 is further reduced.
In the embodiment shown in fig. 5, the first mounting member 21 and the second mounting member 22 are connected by bolts, the first mounting member 21 has two first bolt holes symmetrically formed around the center of the apex hole 212, and the second mounting member 22 has two second bolt holes corresponding to the first bolt holes.
In some embodiments, the first mounting member 21 and the second mounting member 22 are both in a long strip shape and are each fixedly provided with at least one contact seat 213, preferably, the widths of the first mounting member 21 and the second mounting member 22 are both between one and two times of the diameter of the contact seat 213, and two contact seats 213 are respectively fixedly provided on the first mounting member 21 and the second mounting member 22.
In the embodiment shown in fig. 5, the first mounting element 21 and the second mounting element 22 are arranged in a cross shape, so that the contact seats 213 on the first mounting element 21 and the second mounting element 22 are distributed relatively uniformly, and thus the mounting element 20 is fixed more stably and firmly after being mounted to the end cover 11.
In the embodiment shown in fig. 4 and 5, the first mounting member 21 is fixedly provided with the tip seat 214, the tip seat 214 is provided with the tip hole 212, and the tip seat 214 and the contact seat 213 are located on the same side end surface, so that the tip hole 212 is prevented from being worn by the lathe tip after the mounting member 20 is used for a long time, and the effect of prolonging the service life of the mounting member 20 is achieved.
In the embodiment shown in fig. 4 and 5, the first mounting part 21 and the second mounting part 22 are both provided with a clamping groove 215, so that when the clamping grooves 215 of the first mounting part 21 and the second mounting part 22 are correspondingly clamped, the mounting holes 211 of the first mounting part 21 and the second mounting part 22 can just correspond to the casting holes 111 of the end cover 11, thereby achieving the effect of positioning in the mounting process and simplifying the mounting difficulty between the first mounting part 21 and the second mounting part 22.
For the pump body connecting frame processing tool, the invention further provides a pump body connecting frame processing method, please refer to fig. 8, which may include:
a) mounting holes 211 of the mounting pieces 20 are in one-to-one correspondence with the casting holes 111 of one of the end covers 11, and the mounting pieces 20 are fixed to the end surface of the end cover 11 on the side close to the seamless pipe 12;
b) clamping the end cover 11 of the connecting frame 10 without the mounting part 20 by using a chuck of a lathe, inserting the tip of the lathe into the tip hole 212 of the mounting part 20, and starting the lathe to finish the plane processing of the end surface of the connecting frame 10;
c) after the processing is finished, the mounting piece 20 is detached from the connecting frame 10;
d) and fixing the mounting piece 20 on the end cover 11 on the other side, and repeating the processes a and c to finish the end surface plane processing of the end cover 11 on the other side.
In an embodiment of the present invention, please refer to fig. 9, in step a, the method may further include the step of:
a1) fixedly connecting the first mounting part 21 and the second mounting part 22 in a cross manner to obtain a mounting part 20;
a2) referring to fig. 6, bolts are inserted through the mounting holes 211 of the mounting member 20 and screwed into the side walls of the casting holes 111 of one of the end covers 11 until the bolts clamp the mounting member 20 to the end surface of the end cover 11 on the side close to the seamless pipe 12.
a3) Referring to fig. 3, a seamless pipe 12 and two end caps 11 are welded to obtain a connecting frame 10.
In an embodiment of the present invention, please refer to fig. 10, in step c, the method may further include the step of:
c1) releasing the cross fixation between the first mounting part 21 and the second mounting part 22;
c2) referring to fig. 7, the end cap 11 with the mounting member 20 is expanded at the position of the casting hole 111 to obtain a connection hole 113 with a diameter larger than that of the casting hole 111, so that the first mounting member 21 and the second mounting member 22 fall off after losing connection;
c3) the first fitting member 21 and the second fitting member 22 that have come off are taken out from the seamless pipe 12.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. The utility model provides a pump body link processing frock, its characterized in that, includes installed part (20), end cover (11) that installed part (20) detachable is fixed in link (10) are close to the terminal surface of seamless pipe (12) side, link up on installed part (20) and seted up a plurality ofly with mounting hole (211) that casting hole (111) of end cover (11) correspond, just apex hole (212) that correspond with the axis of seamless pipe (12) are seted up at the center of installed part (20).
2. The pump body connection frame machining tool according to claim 1, wherein the mounting piece (20) is connected with the end cover (11) through bolts, and the diameter of the mounting hole (211) is larger than that of the casting hole (111).
3. The pump body connecting frame machining tool according to claim 1, wherein a plurality of contact bases (213) are fixedly arranged on one side face, close to the end cover (11), of the mounting piece (20), each contact base (213) is provided with one mounting hole (211), and the mounting holes (211) penetrate through the contact bases (213).
4. The pump body connecting frame machining tool according to claim 3, wherein the mounting piece (20) comprises a first mounting piece (21) and a second mounting piece (22), and the first mounting piece (21) and the second mounting piece (22) are detachably fixed.
5. The pump body connecting frame machining tool according to claim 4, wherein the first mounting part (21) is fixedly provided with a tip seat (214), the tip seat (214) is provided with a tip hole (212), and the tip seat (214) and the contact seat (213) are located on the same side end face.
6. The pump body connecting frame machining tool according to claim 5, wherein the first installation part (21) and the second installation part (22) are arranged in a cross shape.
7. The pump body connecting frame machining tool according to claim 5, wherein the first installation part (21) and the second installation part (22) are provided with clamping grooves (215).
8. A pump body connecting frame machining method is characterized in that the pump body connecting frame machining tool of any one of claims 1-7 is adopted, and the pump body connecting frame machining method comprises the following steps:
a) mounting holes (211) of the mounting pieces (20) correspond to the casting holes (111) of one end cover (11) one by one, and the mounting pieces (20) are fixed on the end surface of the end cover (11) close to the seamless pipe (12);
b) clamping the end cover (11) on the side of the connecting frame (10) where the mounting piece (20) is not fixed by using a chuck of a lathe, inserting a tip of the lathe into a tip hole (212) of the mounting piece (20), and starting the lathe to finish the plane machining of the end face of the connecting frame (10);
c) after the processing is finished, the mounting piece (20) is detached from the connecting frame (10);
d) and fixing the mounting piece (20) on the end cover (11) on the other side, and repeating the processes from a to c to finish the end surface plane machining of the end cover (11) on the other side.
9. The pump body connecting frame processing method according to claim 8, wherein a comprises
a1) Fixedly connecting a first mounting part (21) and a second mounting part (22) in a cross manner to obtain the mounting part (20);
a2) bolts are inserted through the mounting holes (211) of the mounting piece (20) and are in threaded connection with the side wall of the casting hole (111) of one of the end covers (11) until the bolts and the end surface of the end cover (11) close to the seamless pipe (12) side clamp the mounting piece (20);
a3) and welding the seamless pipe (12) and the two end covers (11) to obtain the connecting frame (10).
10. The method of claim 9, wherein c comprises
c1) -releasing the cross fixation between the first mounting part (21) and the second mounting part (22);
c2) the end cover (11) provided with the mounting part (20) is subjected to hole expanding processing at the position of a casting hole (111) to obtain a connecting hole (113) with the diameter larger than that of the casting hole (111), so that the first mounting part (21) and the second mounting part (22) fall off after losing connection;
c3) and taking out the first mounting piece (21) and the second mounting piece (22) which are fallen off from the seamless pipe (12).
CN202111279065.0A 2021-10-31 2021-10-31 Pump body connecting frame machining tool and method thereof Pending CN113878373A (en)

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Application Number Priority Date Filing Date Title
CN202111279065.0A CN113878373A (en) 2021-10-31 2021-10-31 Pump body connecting frame machining tool and method thereof
PCT/CN2021/131512 WO2023070776A1 (en) 2021-10-31 2021-11-18 Machining fixture and method for pump body connecting frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111279065.0A CN113878373A (en) 2021-10-31 2021-10-31 Pump body connecting frame machining tool and method thereof

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CN113878373A true CN113878373A (en) 2022-01-04

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WO (1) WO2023070776A1 (en)

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