CN111673375B - Manufacturing method of connecting seat and connecting seat - Google Patents
Manufacturing method of connecting seat and connecting seat Download PDFInfo
- Publication number
- CN111673375B CN111673375B CN201910181223.5A CN201910181223A CN111673375B CN 111673375 B CN111673375 B CN 111673375B CN 201910181223 A CN201910181223 A CN 201910181223A CN 111673375 B CN111673375 B CN 111673375B
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- wall
- section
- lug
- groove
- connecting piece
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- 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
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- 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
- B23P15/001—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass valves or valve housings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
Abstract
The invention discloses a manufacturing method of a connecting seat and the connecting seat, wherein the manufacturing method comprises the following steps: providing a connector blank; slotting the outer wall of the connecting piece blank to form an annular groove; and machining the connecting piece blank, machining a lug section on one side of the annular groove, machining a first convex part and a second convex part, machining the first convex part to form a first outer wall part and a first lug, machining the second convex part to form a second outer wall part and a second lug, and deburring the lug section. Through this scheme, can carry out machining burring to the connecting piece that has spacing requirement, processing is simple.
Description
Technical Field
The present invention is in the field of valves.
Background
The valve block generally comprises a connecting piece and a valve body, when the valve block is connected with a system, the connecting piece is sometimes required to be sleeved outside the connecting piece, and because the connecting piece and the connecting piece are sometimes required to be limited, a positioning part is arranged on the connecting piece, but the structure of the positioning part is smaller, and when the valve block is machined, particularly when in deburring treatment, the damage of the positioning part is required to be paid attention to.
Disclosure of Invention
The invention aims to provide a manufacturing method of a connecting seat with simple processing and the connecting seat.
In order to achieve the above purpose, the following technical scheme is adopted:
a manufacturing method of a connecting seat comprises a seat body and a connecting piece,
the manufacturing method comprises the following steps:
providing a base blank, and drilling the base blank to form a groove; providing a connector blank;
slotting the outer wall of the connecting piece blank to form an annular groove; a lug segment is processed on one side of the annular groove; the annular groove includes a first sidewall and a second sidewall, the second sidewall being remote from the lug segment relative to the first sidewall;
the lug segment includes a first protrusion and a second protrusion, a portion of the first protrusion adjacent to the second side wall is processed to form a first lug and a first outer wall portion, the first outer wall portion is adjacent to the second side wall with respect to the first lug, a distance between the first outer wall portion and a center line of the connector is smaller than a distance between the first lug and the center line of the connector, a portion of the second protrusion adjacent to the second side wall is processed to form a second lug and a second outer wall portion, the second outer wall portion is adjacent to the second side wall with respect to the second lug, a distance between the second outer wall portion and a center line of the connector is smaller than a distance between the second lug and a center line of the connector, and a distance between the first outer wall portion and the first side wall is larger than a distance between the first side wall and the second side wall in the connector axial direction, and a distance between the second outer wall portion and the first side wall is larger than a distance between the first side wall and the second side wall;
deburring the lug segments;
and welding and fixing the connecting piece and the seat body.
A connecting seat comprises a connecting piece and a seat body,
the base body is provided with a groove, the connecting piece is provided with an inserting part, the inserting part stretches into the groove, and the inserting part is welded and fixed with the wall part of the groove;
the connecting piece has the ring channel, the ring channel is located the recess is outside, the connecting piece includes the lug section, the lug section includes first lug, second lug, the ring wall, the part of ring wall connects first lug, the second lug, the ring channel includes first lateral wall and second lateral wall, the lug section includes first outer wall portion and second outer wall portion, the part of ring wall connects first outer wall portion and second outer wall portion, in the connecting piece axial direction, the distance between first outer wall portion and the second lateral wall is greater than the distance between first lateral wall and the second lateral wall, first outer wall portion is close to relative first lug the second lateral wall, the distance between first outer wall portion and the central line of connecting piece is less than the distance between first lug and the central line of connecting piece, the distance between second outer wall portion and the second lateral wall portion is greater than the distance between first lateral wall and the second lateral wall portion, the distance between second lateral wall portion and the central line of connecting piece is less than the distance between second lateral wall portion and the second lateral wall.
According to the technical scheme, through milling the blank of the connecting piece, a lug section is processed on one side of the annular groove, the processed lug section comprises a first convex part and a second convex part, a first lug and a first outer wall part are formed by cutting the part, close to the second side wall, of the first convex part, a second lug and a second outer wall part are formed by cutting the part, close to the second side wall, of the second convex part, in the axial direction of the connecting piece, the distance between the first outer wall part and the first side wall is larger than the distance between the first side wall and the second side wall, and the distance between the second outer wall part and the first side wall is larger than the distance between the first side wall and the second side wall; through the setting of first outer wall portion, second outer wall portion, accessible machining carries out the burring to the lug section and handles, and processing is simple when the integrality of first lug, second lug is guaranteed in the processing.
Drawings
FIG. 1 is a schematic view of an embodiment of a connecting base of the present invention;
FIG. 2 is a schematic side view of FIG. 1, partially sectioned;
FIG. 3 is an enlarged partial schematic view of A in FIG. 2;
FIG. 4 is a schematic view of an embodiment of a connector of the present invention;
FIG. 5 is a schematic side view of FIG. 4, partially sectioned;
FIG. 6 is an enlarged view of a portion of another connector in FIG. 2 at the area A according to the present invention;
FIG. 7 is a schematic view of two views of a connector blank of the present invention;
fig. 8 is a process intermediate state diagram of the connector of the present invention.
Detailed Description
Referring to fig. 1-5, fig. 1 illustrates a schematic structural view of a connection base 100; the connecting seat 100 comprises a connecting piece 10 and a seat body 20, wherein the connecting piece 10 and the seat body 20 are made of metal materials, and the connecting piece 10 is in the form of a connecting pipe, a joint or a connecting block. The seat 20 has a recess 201 and a seat wall 202, the recess 201 is disposed on a side of the seat wall 202, and the seat wall 202 is disposed on a periphery of the recess 201. The groove 201 includes a bottom wall 2011, a groove side wall 2012, and a step wall 2013, the step wall 2013 being located on the opening 2014 side of the groove 201, the step wall 2013 being used for placing solder at the time of welding, the step wall 2013 being a wall portion illustrated in the drawing, including an annular bottom portion and an annular side portion.
The connector 10 has an insert 101, the insert 101 having a first section 1011, a second section 1012, and a third section 1013, one end of the third section 1013 being adjacent to or in contact with the bottom wall 2011, the first section 1011 being located between the second section 1012 and the third section 1013.
The connection socket 100 includes a welded portion 30 including at least an area of the step wall 2013 opposite the second section 1012, an area of the groove sidewall 2012 opposite the third section 1013, and an area of the groove sidewall 2012 opposite the first section 1011. The welding portion is a portion where the connecting member is connected to the base, and it should be noted that, herein, the structure of the welding portion 30 is drawn away for better illustration, for example, the position of the welding portion 30 is only schematically shown in the drawing.
The thickness of the weld 30 between the second segment 1012 and the groove sidewall 2012 is greater than the thickness of the weld between the first segment 1011 and the groove sidewall 2012, the thickness of the weld between the third segment 1013 and the groove sidewall 2012 is greater than the thickness of the weld between the first segment 1011 and the groove sidewall 2012, the first segment 1011 has an outer diameter greater than the third segment 1013 and the second segment 1012, at least a portion of the first segment 1012 is in interference fit with the groove sidewall 2012, the third segment 1013 is in clearance fit with the groove sidewall 2012, and at least a portion of the second segment 1012 is disposed opposite the step wall 2013. Where H in fig. 3 is the thickness direction of the welded portion.
When the connecting piece 10 and the base 20 are fixed through welding, the inserting part 101 of the connecting piece 10 is firstly inserted into the groove 201 by utilizing a riveting tool, the first section 1012 is in interference fit with the side wall 2012 of the groove, the connecting piece 10 is preliminarily fixed with the base 20 according to a certain limiting requirement, then the pressed connecting piece 10 and the base 20 are placed into a tunnel furnace and the like for furnace welding, and the welding part at least comprises a region of the step wall 2013 opposite to the second section 1012, a region of the side wall 2012 of the groove opposite to the third section 1013 and a region of the side wall 2012 of the groove opposite to the first section 1011. The furnace welding fixation of the connecting piece 10 and the base body 20 is realized, the welding cost is lower, and the welding yield is higher.
The insert 101 has a transition section 1014, the transition section 1014 is located between the third section 1013 and the first section 1011, the transition section 1014 connects the third section 1013 and the first section 1011, the outer diameter of the transition section 1014 is smaller than the first section 1011 and the outer diameter of the transition section 1014 is larger than the third section 1013, the outer diameter of the transition section 1014 increases from the third section 1013 to the first section 1011, the transition section 1014 smoothly transitions the third section 1013 and the first section 1011, and the length of the transition section 1014 is 5-12 times the length of the first section 1011. When the insert 101 is inserted into the recess 201, the first section 1011 is interference fit with the recess sidewall, and the transition section 1014 smoothly transitions the third section 1013 with the first section 1011.
In addition, the length of the third section is 3-10 times of that of the first section 1011, and the length of the transition section is 0.6-2 times of that of the first section, so that the length of the first section with interference fit is much smaller than that of the third section, when the connecting piece 10 is riveted, the force required by riveting is small due to smooth transition of the curved surface, the resistance of riveting is small, and the smooth transition is beneficial to the even stress of the connecting piece and the original shape of the connecting piece is maintained. The first section 1011 may be, for example, 0.1mm to 1.5mm and the transition section may be, for example, 0.6 mm to 2.5mm.
The step wall 2013 has an inner diameter greater than the recess sidewall 2012, and the second segment 1012 has at least a first portion 1012a and a second portion 1012b, the first portion 1012a being disposed opposite the step wall 2013, the second portion 1012b being disposed opposite the recess sidewall 2012, the second segment 1012 having a length that is 1.3-4 times the length of the first segment. The step wall 2013 may be used to hold solder, after the solder melts, it first enters the area between the second section 1012 and the step wall 2013, some of the solder flows along the connector wall away from the insert, and most of the solder flows to the area between the insert and the housing. The weld 30 includes a region of the second segment 1012 between the first portion 1012a and the step wall 2013, and a region of the second portion 1012b opposite the groove sidewall 2012, the length of the second portion 1012b being 1.5-3.2 times the length of the first segment 1011. Because at least part of the first section 1011 and the groove side wall 2012 are in interference fit, the length of the second section 1012b is 1.5-3.2 times of the length of the first section 1011, which is beneficial to the molten solder to enter the area between the first section 1011 and the groove side wall 2012 better, and the distribution of the solder is beneficial to the improvement of the welding quality by the action of capillary force.
The bottom wall 2011 of the groove 201 is provided with a through hole 2011a, the through hole 2011a is communicated with the inner cavity 103 of the connecting piece 10, the connecting piece 10 comprises a bottom 1015, the bottom 1015 of the connecting piece 10 is located at the bottom wall 2011 of the groove 201, the inner cavity 103 of the connecting piece 10 is larger than or equal to the through hole 2011a, the bottom 1015 of the connecting piece 10 completely falls on the bottom wall 2011, molten solder is facilitated to flow between the connecting piece and the side wall and between the connecting piece and the bottom wall in the flowing process, and the inner cavity 103 of the connecting piece 10 is larger than or equal to the through hole 2011a, so that a flow channel of a finished product after welding is facilitated to be smoother. The length of the insertion part 101 is 2-3.8 times of the wall thickness of the connecting piece 10, so that the welded finished product is strong in welding firmness and long in service life.
The gap between the third section 1013 and the groove sidewall 2012 is 20-63 microns, the outside diameter of the third section 1013 is greater than the second section 1012, the thickness of the weld between the second section 1012 and the groove sidewall 2012 is greater than the thickness of the weld between the third section 1013 and the groove sidewall 2012, and the length of the third section 1013 is 60-85% of the length of the insert 101. The melted solder flows into the area between the third section 1013 and the groove side wall 2012 through the area between the first section 1011 and the groove side wall 2012, and the gap between the third section 1013 and the groove side wall 2012 is 20-63 micrometers, so that the solder flows through capillary force, the distribution of the solder is more uniform, if the gap is too large, the solder can easily flow intensively, the conditions of missing welding, broken welding and the like are easily caused, and if the gap is too small, the mobility of the solder is poor, and the conditions of missing welding, broken welding and the like are also easily caused. Since the first section 1011 is provided between the third section 1013 and the second section 1012, the outer diameter of the third section 1013 is set larger than the second section 1012, and the fluidity and distribution of the solder are improved. In addition, the length of the third section 1013 is 60-85% of the length of the insert 101, and as described above, the solder between the third section 1013 and the groove sidewall 2012 flows by capillary force, which length contributes to an improvement in the soldering quality.
Referring to fig. 5, the connector 10 includes an annular groove 104, a connector head 1027 and a connector barrel 1026, the connector head 1027 and the connector barrel 1026 being disposed on either side of the annular groove 104, the annular groove 104 including a bottom wall 104c, a first side wall 104a and a second side wall 104b, the second side wall 104b being remote from the connector barrel 1026 relative to the first side wall 104 a. The connector barrel 1026 includes an insertion portion 101 and a bare portion 102, the bare portion 102 does not extend into the groove 201, the bare portion 102 includes a tab section 1024 and a smooth section 1023, the smooth section 1023 connects the insertion portion 101, the tab section 1024 includes a first tab 1021, a second tab 1022 and a ring wall 1028a, the tab section 1024 forms a second side wall 104b, a portion of the ring wall 1028a connects the first tab 1021, the second tab 1022, the tab section 1024 includes a first outer wall 1028b and a second outer wall 1028c, a portion of the ring wall 1028a connects the first outer wall 1028b and the second outer wall 1028c, and a distance D1 between the first outer wall 1028b and the first side wall 104a of the annular groove 104 is greater than a distance D2 between the first side wall 104a and the second side wall 104b of the annular groove 104, and a distance between the second outer wall 1028c and the first side wall 104a of the annular groove 104 is greater than a distance between the first side wall 104a and the second side wall 104b in an axial direction of the connector. Since the first outer wall portion has a distance in the axial direction of the connecting member, the distance between the first outer wall portion and the first side wall is defined as the maximum distance between the first outer wall portion and the first side wall, i.e. the distance between the distal end of the first outer wall portion opposite to the first side wall and the first side wall. The distance D4 between the first outer wall portion 1028b and the center line of the connector is smaller than the distance D3 between the first lug 1021 and the center line of the connector, the distance between the first outer wall portion 1028b and the center line of the connector may be along the L direction in the drawing, the second outer wall portion 1028c is closer to the second side wall 104b than the second lug 1022, and the distance between the second outer wall portion 1028c and the center line of the connector is smaller than the distance between the second lug 1022 and the center line of the connector.
Because the lug section has the assembly requirement, so need carry out the burring to it and handle, when carrying out the burring to the lug section, owing to the setting of first outer wall portion 1028b, second outer wall portion 1028c, the milling cutter can avoid first lug, second lug structure when the burring, help first lug, second lug structure's completion, in addition, owing to the setting of first outer wall portion 1028b, second outer wall portion 1028c, accessible mechanical burring handles, processing operation is simpler, and the cost is lower. When the subsequent connecting seat is connected with an external pipeline and the like, a sealing ring can be placed in the annular groove 104 for sealing, so that deburring is needed at the positions of the first side wall 104a and the second side wall 104b of the annular groove, and the stability of the subsequent sealing structure is facilitated.
Further, in the axial Z-direction of the connector, the height of the first outer wall portion 1028b is between 0.4-0.8mm and the height of the second outer wall portion 1028c is between 0.4-0.8 mm.
The exposed portion 102 has a larger outer diameter than the second segment 1012, at least a portion of the weld 30 is arcuate connecting the seat wall 202 with the outer wall of the exposed portion 102, and the weld 30 does not fall into the seat wall 202. When manual welding, because the welding process is carried out at high temperature, in order to ensure that the welding flux is full of welding positions during manual welding, more welding flux can be deliberately overflowed, and the welding flux can fall into the wall part of the seat body, so that the welding quality is conveniently checked, and the false welding is prevented, but when the welding process is operated in this way, the problems of poor welding appearance quality and low qualification rate of a finished product structure exist. At least part of the welding part 30 in the technical scheme is arc-shaped to connect the seat body wall 202 and the outer wall of the exposed part 102, the welding part 30 does not fall into the seat body wall 202, the welding quality is good, and the appearance of a welded finished product is more attractive.
Further, the first lug 1021 and the second lug 1022 are shaped differently, and the first lug 1021 and the second lug 1022 are located in different positions. The arrangement of the first lug 1021 and the second lug 1022 plays an important role when the connecting piece 10 needs to be limited and fixed with the base body 20 at a specific position, and when the connecting piece 10 is in interference fit with the base body 20, the position of the connecting piece 10 is determined through the positions of the first lug 1021 and the second lug 1022, so that the connecting seat 100 can meet the requirement of subsequent connection.
Referring to fig. 6, fig. 6 illustrates a schematic structure of another embodiment. In the following description, although some reference numerals are not shown in fig. 6, for better illustration, the same reference numerals refer to the positions of reference numerals in fig. 1-5, and the connection socket 100' includes a connection member 10 and a socket body 20, where the connection member 10 and the socket body 20 are made of metal materials, the socket body 20 has a groove 201 and a socket body wall 202, the groove 201 is disposed on the side of the socket body wall 202, and the socket body wall 202 is located at the periphery of the groove 201. The groove 201 includes a bottom wall 2011, a groove side wall 2012, and a step wall 2013, the step wall 2013 being located on the opening 2014 side of the groove 201, the step wall 2013 being used for placing solder at the time of welding, the step wall 2013 being a wall portion illustrated in the drawing, including an annular bottom portion and an annular side portion.
The insert 101 includes a second segment 1012, a first segment 1011, and a third segment 1013, wherein an end of the third segment 1013 is near or in contact with the bottom wall 2011, the first segment 1011 is located between the second segment 1012 and the third segment 1013, the first segment 1011 has an outer diameter greater than the third segment 1013, and the first segment 1011 has an outer diameter substantially the same as the second segment 1012, at least a portion of the first segment 1012 is in interference fit with the groove sidewall 2012, the third segment 1013 is in clearance fit with the groove sidewall 2012, and at least a portion of the second segment 1012 is disposed opposite the step wall 2013.
The step wall 2013 has an inner diameter greater than the recess sidewall 2012, and the second segment 1012 has at least a first portion 1012a and a second portion 1012b, the first portion 1012a being disposed opposite the step wall 2013, the second portion 1012b being disposed opposite the recess sidewall 2012, the second segment 1012 having a length of 1.3-4 times the length of the first segment. The step wall 2013 may be used to hold solder that, after melting, first enters the area between the second segment 1012 and the step wall 2013, and most of the solder flows to the area between the insert and the housing.
The connection socket 100 includes a welded portion 30 including at least an area of the step wall 2013 opposite the second section 1012, an area of the groove sidewall 2012 opposite the third section 1013, and an area of the groove sidewall 2012 opposite the first section 1011. The welding part is the part where the connecting piece is connected with the seat body.
The thickness of the welded portion between the second section 1012 and the groove side wall 2012 is greater than the thickness of the welded portion between the first section 1011 and the groove side wall 2012, and the thickness of the welded portion between the third section 1013 and the groove side wall 2012 is greater than the thickness of the welded portion between the first section 1011 and the groove side wall 2012, wherein H in fig. 6 is the thickness direction of the welded portion.
The groove sidewall 2012 includes a first groove wall 2012a and a second groove wall 2012b, the first groove wall 2012a having an inner diameter greater than the second groove wall 2012b, wherein the first groove wall 2012a is disposed opposite the second portion 1012b of the second segment 1012, the second groove wall 2012b is disposed opposite the first segment 2011, and a thickness of a weld between the first groove wall 2012a and the second segment 1012 is greater than a thickness of a weld between the first segment 2011 and the second groove wall 2012 b. The weld 30 includes a region of the second segment 1012 between the first portion 1012a and the step wall 2013, and a region of the second portion 1012b opposite the groove sidewall 2012, the second portion 1012b having a length that is 1.5-3.2 times the length of the first segment 1011. The melted solder is facilitated to enter the area between the first section 1011 and the groove side wall 2012 better, and the distribution of the solder is facilitated by the action of capillary force, so that the welding quality is improved.
The bottom wall 2011 of the groove 201 has a through hole 2011a (not shown in fig. 6 and refer to fig. 2), the through hole 2011a is communicated with the inner cavity 103 of the connector 10, the connector 10 comprises a bottom 1015, the bottom 1015 of the connector 10 is located at the bottom wall 2011 of the groove 201, the inner cavity 103 of the connector 10 is greater than or equal to the through hole 2011a, the bottom 1015 of the connector 10 completely falls at the bottom wall 2011, so that molten solder can flow between the connector and the side wall, between the connector and the bottom wall in the flowing process, and the inner cavity 103 of the connector 10 is greater than or equal to the through hole 2011a so that the flow channel of a finished product after welding is smoother. The length of the insertion part 101 is 2-3.8 times of the wall thickness of the connecting piece 10, so that the welded finished product is strong in welding firmness and long in service life.
The connector 10 further has a bare portion 102, the bare portion 102 does not extend into the groove 201, an outer diameter of at least a portion of the bare portion 102 may be substantially equal to the second section 1012, at least a portion of the welding portion 30 is arc-shaped to connect the seat wall portion 202 and the outer wall of the bare portion 102, and the welding portion 30 does not fall into the seat wall portion 202. When manual welding, because the welding process is carried out at high temperature, in order to ensure that the welding flux is full of welding positions during manual welding, more welding flux can be deliberately overflowed, and the welding flux can fall into the wall part of the seat body, so that the welding quality is conveniently checked, and the false welding is prevented, but when the welding process is operated in this way, the problems of poor welding appearance quality and low qualification rate of a finished product structure exist. At least part of the welding part 30 in the technical scheme is arc-shaped to connect the seat body wall 202 and the outer wall of the exposed part 102, the welding part 30 does not fall into the seat body wall 202, the welding quality is good, and the appearance of a welded finished product is more attractive.
Further, the exposed portion 102 has a first lug 1021 and a second lug 1022, the first lug 1021 and the second lug 1022 are shaped differently, and the first lug 1021 and the second lug 1022 are located at different positions. The arrangement of the first lug 1021 and the second lug 1022 plays an important role when the adapter tube 10 needs to be fixed with the seat body 20 in a limiting mode at a specific position, and when the adapter tube 10 is in interference fit with the seat body 20, the position of the adapter tube 10 is determined through the positions of the first lug 1021 and the second lug 1022, so that the valve block 100 can meet the requirement of subsequent connection.
A method of manufacturing a connector 100, comprising:
machining the seat body 20;
machining the connecting piece 10;
welding the base 20 and the connecting piece 10;
the processing method of the base 20 includes:
providing a seat blank, and drilling the seat blank to form a groove 201;
perforating the bottom of the groove 201 to form a through hole;
milling or turning a step wall 2013 on the opening side of the groove 201; the step wall 2013 may be used to place solder.
Referring to fig. 5, 7 and 8, the method for processing the connecting piece includes:
blanking the blank profile, and cutting out a section to form a connecting piece blank 500;
grooving the outer wall of the connector blank 500 to form an annular groove 104;
milling or turning the connector blank 500 to form a connector barrel 1026 on one side of the annular groove 104; the connector barrel 1026 includes a tab segment 1024; annular groove 104 includes a first sidewall 104a and a second sidewall 104b, second sidewall 104b being adjacent to lug segment 1024;
the lug segment 1024 includes a first boss 1021a and a second boss 1022a, a portion of the first boss 1021a adjacent to the second side wall 104b of the annular groove 104 is cut or turned or milled to form a first lug 1021 and a first outer wall portion 1028b, a portion of the second boss 1022a adjacent to the second side wall 104b of the annular groove 104 is cut or turned or milled to form a second lug 1022 and a second outer wall portion 1028c, the first outer wall portion 1028b is adjacent to the second side wall 104b relative to the first lug 1021, a distance between the first outer wall portion 1028b and a centerline of the connector is less than a distance between the first lug 1021 and the centerline of the connector, the second outer wall portion 1028c is adjacent to the second side wall 104b relative to the second lug 1022, a distance between the second outer wall portion 1028c and a centerline of the connector is less than a distance between the second lug 1022 and a centerline of the connector, in the connector axial direction, the distance between the first outer wall portion 1028b and the first side wall 104a is greater than a distance between the first side wall 104a and the second side wall 104 b;
deburring the lug segment 1024 adjacent the second side wall 104b of the annular groove 104; more specifically, the annular wall 1028a, the first outer wall portion 1028b, and the second outer wall portion 1028c are deburred adjacent to the second side wall 104b of the annular groove 104.
And welding and fixing the connecting piece and the base body.
The method for welding and fixing the connecting piece 10 and the base 20 comprises the following steps:
the insertion part 101 is inserted into the groove 201 of the base 20, wherein the first section 1011 is in interference fit with the side wall of the groove, the interference is 0-130 micrometers, the gap between the third section and the side wall is 20-63 micrometers, and the pressing machine can be used for prepressing once; after prepressing, pressure maintaining is carried out again to preliminarily fix the connecting piece 10 and the base 20; because the length of the first section is smaller, the first section can be realized by small cylinder equipment with the pressure of 0.6MPa, and the equipment requirement is lower;
placing solder on the step wall 2013 of the seat 20;
the socket 20 with the solder placed thereon is fed into a tunnel furnace for furnace welding, and a welding portion is formed at least in a region of the step wall 2013 opposite to the second section 1012, a region of the groove side wall 2012 opposite to the third section 1013, and a region of the groove side wall 2012 opposite to the first section 1011, thus completing welding of the connection socket.
The method of manufacturing the connector 10 further comprises:
the lug segment 1024 is machined to form the first lug 1021, the second lug 1022, and the annular wall 1028a, the annular wall 1028a connects the first lug 1021 and the second lug 1022, and the annular wall 1028a is deburred. In the axial direction Z of the connector 10, the height of the first outer wall portion 1028b is between 0.4-0.8mm and the height of the second outer wall portion 1028c is between 0.4-0.8 mm.
As other embodiments, the base 20 may have two or more grooves 201, and two or more connectors are placed in the grooves 201, and after preliminary fixing, the two or more connectors may be welded together by furnace welding after placing solder, so that the production efficiency is improved and the welding cost is reduced.
It should be noted that: the above embodiments are only for illustrating the present invention and not for limiting the technical solutions described in the present invention, for example, the directions of "front", "rear", "left", "right", "up", "down", etc., and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the present invention may be combined, modified or substituted with each other, and all the technical solutions and modifications thereof without departing from the spirit and scope of the present invention are intended to be included in the scope of the claims of the present invention.
Claims (10)
1. A manufacturing method of a connecting seat comprises a seat body and a connecting piece,
the manufacturing method comprises the following steps:
providing a base blank, and drilling the base blank to form a groove; providing a connector blank;
slotting the outer wall of the connecting piece blank to form an annular groove;
a lug segment is processed on one side of the annular groove; the annular groove includes a first sidewall and a second sidewall, the second sidewall being remote from the lug segment relative to the first sidewall;
the lug segment includes a first protrusion and a second protrusion, a portion of the first protrusion adjacent to the second side wall is processed to form a first lug and a first outer wall portion, the first outer wall portion is adjacent to the second side wall with respect to the first lug, a distance between the first outer wall portion and a center line of the connector is smaller than a distance between the first lug and the center line of the connector, a portion of the second protrusion adjacent to the second side wall is processed to form a second lug and a second outer wall portion, the second outer wall portion is adjacent to the second side wall with respect to the second lug, a distance between the second outer wall portion and a center line of the connector is smaller than a distance between the second lug and a center line of the connector, and a distance between the first outer wall portion and the first side wall is larger than a distance between the first side wall and the second side wall in the connector axial direction, and a distance between the second outer wall portion and the first side wall is larger than a distance between the first side wall and the second side wall;
deburring the lug segments;
and welding and fixing the connecting piece and the seat body.
2. The method of manufacturing a connection socket according to claim 1, wherein:
the manufacturing method further comprises the steps of:
milling or turning the connecting piece blank, machining a connecting piece barrel part on one side of the annular groove, and machining a connecting piece head part on the other side of the annular groove;
milling or turning the blank of the connecting piece, machining the exposed part and the insertion part of the barrel part of the connecting piece, milling or turning the insertion part, and machining a second section, a first section and a third section, wherein the first section is positioned between the second section and the third section, the outer diameter of the first section is larger than that of the second section, and the outer diameter of the first section is larger than that of the third section.
3. The method of manufacturing a connection socket according to claim 2, wherein:
milling or turning the insertion part to form a transition section, wherein the transition section is positioned between the third section and the first section, the transition section is connected with the third section and the first section, the outer diameter of the transition section is smaller than that of the first section, the outer diameter of the transition section is larger than that of the third section, the outer diameter of the transition section increases gradually from the third section to the first section, the length of the third section is 3-10 times that of the first section, and the length of the transition section is 0.6-2 times that of the first section; the outer diameter of the third section is larger than that of the second section, the outer diameter of the second section is smaller than that of the first section, and the length of the third section accounts for 60-85% of the length of the insertion part; the length of the insertion part is 2-3.8 times of the wall thickness of the connecting piece.
4. The method of manufacturing a connection socket according to claim 2, wherein:
the manufacturing method further comprises the steps of:
milling or turning a step wall on the opening side of the groove;
inserting the insertion part into a groove of the base body, wherein one end of the third section is close to or contacts with the bottom wall of the groove, most of the first section is in interference fit with the side wall of the groove, the interference is 0-130 micrometers, and the gap between the third section and the side wall of the groove is 20-63 micrometers;
solder is placed on the step wall of the groove of the base body, and the inner diameter of the step wall is larger than that of the side wall of the groove;
and feeding the connecting piece and the base body with the solder into a tunnel furnace for furnace welding.
5. The method of manufacturing a connection socket according to claim 4, wherein:
after the majority of the first section is in interference fit with the side wall of the groove, pre-pressing is carried out on a press-fitting machine for one time; after prepressing, pressure maintaining is carried out again so as to preliminarily fix the connecting piece and the seat body.
6. The method of manufacturing a connection socket according to claim 4, wherein:
when the insertion part is inserted into the groove of the seat body, the second section is provided with at least a first part and a second part, the first part is opposite to the step wall, and the second part is opposite to the side wall of the groove;
feeding the connecting piece and the base body with the solder into a tunnel furnace for furnace welding, and further comprising: forming welding parts in the area of the step wall of the base opposite to the second section of the connecting piece, the area of the groove side wall of the base opposite to the third section of the connecting piece, the area of the groove side wall of the base opposite to the first section of the connecting piece and the area of the second part opposite to the groove side wall; the thickness of the welding part between the second section and the groove side wall is larger than that of the welding part between the first section and the groove side wall, the thickness of the welding part between the second section and the groove side wall is larger than that of the welding part between the third section and the groove side wall, and the thickness of the welding part between the third section and the groove side wall is larger than that of the welding part between the first section and the groove side wall.
7. The method of manufacturing a connection socket according to claim 4, wherein:
the connecting piece is provided with an exposed part, the exposed part does not extend into the groove, the seat body is provided with a seat body wall part, the seat body wall part is positioned at the periphery of the groove, at least part of the welding part is in arc connection with the seat body wall part and the outer wall of the exposed part, and the welding part does not fall into the seat body wall part.
8. The method of manufacturing a connection socket according to claim 1, wherein:
the manufacturing method further comprises the steps of:
and processing the lug segment into a first lug, a second lug and a ring wall, wherein a part of the ring wall is connected with the first lug and the second lug, a part of the ring wall is connected with the first outer wall part and the second outer wall part, and deburring is carried out on the ring wall.
9. The method of manufacturing a connection socket according to claim 1, wherein:
in the axial direction of the connector, the height of the first outer wall part is between 0.4 and 0.8mm, and the height of the second outer wall part is between 0.4 and 0.8 mm.
10. The utility model provides a connecting seat, includes connecting piece and pedestal, its characterized in that:
the base body is provided with a groove, the connecting piece is provided with an inserting part, the inserting part stretches into the groove, and the inserting part is welded and fixed with the wall part of the groove;
the connecting piece has the ring channel, the ring channel is located the recess is outside, the connecting piece includes the lug section, the lug section includes first lug, second lug, ring wall, the part of ring wall is connected first lug, the second lug, the ring channel includes first lateral wall and second lateral wall, the second lateral wall is kept away from the lug section relative first lateral wall, the lug section includes first outer wall portion and second outer wall portion, the part of ring wall connects first outer wall portion and second outer wall portion, in the connecting piece axial direction, the distance between first outer wall portion and the second lateral wall is greater than the distance between first lateral wall and the second lateral wall, first outer wall portion is close to the second lateral wall relative first lug, the distance between first outer wall portion and the center line of connecting piece is less than the distance between first lug and the center line of connecting piece, the distance between second outer wall portion and the second lateral wall is greater than the distance between first lateral wall portion and the second lateral wall is close to the second lateral wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910181223.5A CN111673375B (en) | 2019-03-11 | 2019-03-11 | Manufacturing method of connecting seat and connecting seat |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910181223.5A CN111673375B (en) | 2019-03-11 | 2019-03-11 | Manufacturing method of connecting seat and connecting seat |
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| Publication Number | Publication Date |
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| CN111673375A CN111673375A (en) | 2020-09-18 |
| CN111673375B true CN111673375B (en) | 2023-05-30 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202278932U (en) * | 2011-10-26 | 2012-06-20 | 重庆市凯尊机械制造有限公司 | Blank for mini-type step axle tube |
| CN103174860A (en) * | 2011-12-22 | 2013-06-26 | 浙江三花股份有限公司 | Fixing structure of connecting tube and valve seat |
| CN203336100U (en) * | 2013-07-04 | 2013-12-11 | 浙江三花制冷集团有限公司 | Connecting assembly of connecting base and connector and extrusion tool thereof |
| CN203757049U (en) * | 2014-03-05 | 2014-08-06 | 浙江三花股份有限公司 | Ball valve |
| CN106931218A (en) * | 2015-12-30 | 2017-07-07 | 浙江三花智能控制股份有限公司 | A kind of stop valve |
| CN108266537A (en) * | 2016-12-31 | 2018-07-10 | 浙江三花智能控制股份有限公司 | Valve gear |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0120726D0 (en) * | 2001-08-25 | 2001-10-17 | Arena Ibc Ltd | Valve assembly for containers |
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2019
- 2019-03-11 CN CN201910181223.5A patent/CN111673375B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202278932U (en) * | 2011-10-26 | 2012-06-20 | 重庆市凯尊机械制造有限公司 | Blank for mini-type step axle tube |
| CN103174860A (en) * | 2011-12-22 | 2013-06-26 | 浙江三花股份有限公司 | Fixing structure of connecting tube and valve seat |
| CN203336100U (en) * | 2013-07-04 | 2013-12-11 | 浙江三花制冷集团有限公司 | Connecting assembly of connecting base and connector and extrusion tool thereof |
| CN203757049U (en) * | 2014-03-05 | 2014-08-06 | 浙江三花股份有限公司 | Ball valve |
| CN106931218A (en) * | 2015-12-30 | 2017-07-07 | 浙江三花智能控制股份有限公司 | A kind of stop valve |
| CN108266537A (en) * | 2016-12-31 | 2018-07-10 | 浙江三花智能控制股份有限公司 | Valve gear |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111673375A (en) | 2020-09-18 |
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