CN111673375A - Manufacturing method of connecting seat and connecting seat - Google Patents
Manufacturing method of connecting seat and connecting seat Download PDFInfo
- Publication number
- CN111673375A CN111673375A CN201910181223.5A CN201910181223A CN111673375A CN 111673375 A CN111673375 A CN 111673375A CN 201910181223 A CN201910181223 A CN 201910181223A CN 111673375 A CN111673375 A CN 111673375A
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- section
- wall
- lug
- side wall
- groove
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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 connecting piece 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 performing deburring treatment on the lug section. Through this scheme, can carry out the machining burring to the connecting piece that has the spacing requirement, processing is simple.
Description
Technical Field
The present invention belongs to 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, a connecting head needs to be sleeved outside the connecting piece sometimes, and because the position between the connecting head and the connecting piece sometimes has a limit requirement, a positioning part can be arranged on the connecting piece, but the structure of the positioning part is small, and when a machine is machined, particularly when deburring is carried out, the damage of the positioning part needs to be noticed.
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 realize the purpose, the following technical scheme is adopted:
a method for manufacturing a connecting seat comprises a seat body and a connecting piece,
the manufacturing method comprises the following steps:
providing a seat body blank, and drilling the seat body blank to form a groove; providing a connecting piece blank;
grooving the outer wall of the connecting piece blank to form an annular groove; processing a lug section on one side of the annular groove; the annular groove includes a first sidewall and a second sidewall, the second sidewall being distal from the lug segment relative to the first sidewall;
the lug section includes a first lug and a second lug, a portion of the first lug near the second side wall is processed to form a first lug and a first outer wall portion, the first outer wall portion is near 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 lug near the second side wall is processed to form a second lug and a second outer wall portion, the second outer wall portion is near the second side wall with respect to the second lug, a distance between the second outer wall portion and the center line of the connector is smaller than a distance between the second lug and the center line of the connector, 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 axial direction of the connector, the distance between the second outer wall portion and the first side wall is greater than the distance between the first side wall and the second side wall;
carrying out deburring treatment on the lug sections;
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 extends into the groove, and the inserting part is welded and fixed with the wall part of the groove;
the connecting piece is provided with an annular groove which is positioned outside the groove, the connecting piece comprises a lug section, the lug section comprises a first lug, a second lug and a ring wall, a part of the ring wall is connected with the first lug and the second lug, the annular groove comprises a first side wall and a second side wall, the lug section comprises a first outer wall part and a second outer wall part, a part of the ring wall is connected with the first outer wall part and the second outer wall part, the distance between the first outer wall part and the second side wall is larger than the distance between the first side wall and the second side wall in the axial direction of the connecting piece, the first outer wall part is close to the second side wall relative to the first lug, and the distance between the first outer wall part and the center line of the connecting piece is smaller than the distance between the first lug and the center line of the connecting piece, the distance between the second outer wall portion and the second side wall is larger than the distance between the first side wall and the second side wall, the second outer wall portion is close to the second side wall relative to the second lug, and the distance between the second outer wall portion and the center line of the connecting piece is smaller than the distance between the second lug and the center line of the connecting piece.
According to the technical scheme, a blank of the connecting piece is milled, a lug section is machined on one side of an annular groove, the machined lug section comprises a first convex part and a second convex part, a part, close to a second side wall, of the first convex part is cut to form a first lug and a first outer wall part, a part, close to the second side wall, of the second convex part is cut to form a second lug and a second outer wall 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 arrangement of the first outer wall portion and the second outer wall portion, the lug section can be subjected to deburring processing through machining, and the machining is simple when the integrity of the first lug and the second lug is guaranteed.
Drawings
FIG. 1 is a schematic structural diagram of a connecting socket according to an embodiment of the present invention;
FIG. 2 is a side view of FIG. 1, partially in cross-section;
FIG. 3 is an enlarged view of part A in FIG. 2;
FIG. 4 is a schematic structural view of one embodiment of a connector of the present invention;
FIG. 5 is a side view of FIG. 4, partially in cross-section;
FIG. 6 is a partially enlarged view of another connecting socket of the present invention in the area A of FIG. 2;
FIG. 7 is a schematic illustration of two views of a connector blank of the present invention;
fig. 8 is a view of an intermediate state of the process of the connector of the present invention.
Detailed Description
Referring to fig. 1-5, fig. 1 illustrates a structural schematic view of the connecting socket 100; the connecting socket 100 includes a connecting member 10 and a socket body 20, the connecting member 10 and the socket body 20 are made of metal materials, and the connecting member 10 is in the form of a connecting tube, a connector or a connecting block. The base 20 has a groove 201 and a base wall 202, the groove 201 is disposed on the side of the base wall 202, and the base wall 202 is disposed around 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 is located on the opening 2014 side of the groove 201, the step wall 2013 can be used for placing solder during welding, and the step wall 2013 is a wall part illustrated in the figure and includes an annular bottom part and an annular side part.
The connector 10 has an insert 101, the insert 101 has a first section 1011, a second section 1012, and a third section 1013, one end of the third section 1013 is near or in contact with the bottom wall 2011, and the first section 1011 is located between the second section 1012 and the third section 1013.
The connector holder 100 includes a welding portion 30, which at least includes a region of the step wall 2013 opposite to the second section 1012, a region of the groove sidewall 2012 opposite to the third section 1013, and a region of the groove sidewall 2012 opposite to the first section 1011. The welding portion is a portion of the connecting member connected to the seat body, and it should be noted that the welding portion 30 is drawn out for better illustration, for example, in the drawings, the position of the welding portion 30 is only schematically illustrated.
The thickness of the weld 30 between the second section 1012 and the groove sidewall 2012 is greater than the thickness of the weld between the first section 1011 and the groove sidewall 2012, the thickness of the weld between the third section 1013 and the groove sidewall 2012 is greater than the thickness of the weld between the first section 1011 and the groove sidewall 2012, the outer diameter of the first section 1011 is greater than the outer diameter of the third section 1013 and the second section 1012, at least part of the first section 1012 is in interference fit with the groove sidewall 2012, the third section 1013 is in clearance fit with the groove sidewall 2012, and at least part of the second section 1012 is opposite to the step wall 2013. Where H in fig. 3 is the thickness direction of the welded portion.
The connecting piece 10 and the seat body 20 are fixed by welding, during welding, the inserting part 101 of the connecting piece 10 is inserted into the groove 201 by using 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 seat body 20 according to certain limiting requirements, then the pressed connecting piece 10 and the seat body 20 are placed into a furnace such as a tunnel furnace for furnace welding, and the welding part at least comprises an area of the step wall 2013 opposite to the second section 1012, an area of the side wall 2012 of the groove opposite to the third section 1013, and an area of the side wall 2012 of the groove opposite to the first section 1011. Therefore, the furnace welding and fixing of the connecting piece 10 and the seat body 20 are realized, the welding cost is low, and the welding yield is high.
The insert 101 has a transition 1014, the transition 1014 is between the third 1013 and the first 1011 sections, the transition 1014 connects the third 1013 and the first 1011 sections, the transition 1014 has an outer diameter smaller than the first 1011 section and a larger outer diameter than the third 1013 section, the transition 1014 has an outer diameter increasing from the third 1013 section to the first 1011 section, the transition 1014 smoothly transitions the third 1013 and the first 1011 sections, and the transition 1014 has a length 5-12 times the first 1011 section 1011. When the insert 101 is inserted into the groove 201, the first section 1011 has an interference fit with the groove sidewalls, 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, and during riveting of the connecting piece 10, due to smooth transition of a curved surface, the force required by riveting is small, the resistance to riveting is small, and smooth transition is realized, so that the uniform stress of the connecting piece is facilitated, and the original appearance 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 to 2.5 mm.
The step wall 2013 has an inner diameter larger than the groove sidewall 2012, and the second section 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 groove sidewall 2012, and the length of the second section 1012 being 1.3 to 4 times the length of the first section. The step wall 2013 can be used for placing solder, the solder can firstly enter the area between the second section 1012 and the step wall 2013 after being melted, some solder can flow along the direction of the connecting piece wall back to the inserting part, and most solder can flow to the area between the inserting part and the seat body. The weld 30 includes an area between the first portion 1012a of the second section 1012 and the step wall 2013, and an area 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 section 1011. Because at least part of the first section 1011 is in interference fit with the groove side wall 2012, and the length of the second part 1012b is set to be 1.5-3.2 times of the length of the first section 1011, the melted solder can better enter the area between the first section 1011 and the groove side wall 2012, and the distribution of the solder can be facilitated through the action of capillary force, and the welding quality can be improved.
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 on 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, the flowing of the molten solder between the connecting piece and the side wall and between the connecting piece and the bottom wall in the flowing process is facilitated, and the flowing of the finished flow channel after welding is facilitated by the fact that the through hole 2011a of. The length of the insertion part 101 is 2-3.8 times of the wall thickness of the connecting piece 10, so that welding of a welded finished product is firm and strong, and the service life of the product is long.
The gap between the third section 1013 and the pocket sidewall 2012 is 20-63 microns, the outer 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 pocket sidewall 2012 is greater than the thickness of the weld between the third section 1013 and the pocket sidewall 2012, and the length of the third section 1013 accounts for 60-85% of the length of the insert 101. The melted solder flows into the region between the third section 1013 and the groove side wall 2012 through the region 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 by capillary force, the distribution of the solder is more uniform, if the gap is too large, the solder can easily flow in a concentrated manner, and the conditions of missing welding, broken welding and the like are easily caused, and if the gap is too small, the fluidity 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 disposed between the third section 1013 and the second section 1012, the outer diameter of the third section 1013 is set to be larger than that of the second section 1012, thereby improving the fluidity and distribution of the solder. In addition, the length of the third section 1013 is 60-85% of the length of the insert 101, and as noted above, the solder between the third section 1013 and the pocket side walls 2012 flows by capillary forces, which length helps to improve the quality of the solder joint.
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 partially disposed on both sides 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 spaced apart from the connector barrel 1026 with respect to the first side wall 104 a. The connecting piece barrel 1026 includes the insertion portion 101 and the exposed portion 102, the exposed portion 102 does not extend into the groove 201, the exposed portion 102 includes a lug section 1024 and a smooth section 1023, the smooth section 1023 connects the insertion portion 101, the lug section 1024 includes a first lug 1021, a second lug 1022 and a ring wall 1028a, the lug section 1024 forms the second side wall 104b, a portion of the ring wall 1028a connects the first lug 1021 and the second lug 1022, the lug 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, in the axial direction Z of the connector, the distance D1 between the first outer wall portion 1028b and the first side wall 104a of the annular groove 104 is greater than the distance D2 between the first side wall 104a and the second side wall 104b, and the distance between the second outer wall portion 1028c and the first side wall 104a of the annular groove 104 is greater than the distance between the first side wall 104a and the second side wall 104 b. Since the first outer wall portion has a distance in the axial direction of the connecting piece, 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 relative to the first side wall and the first side wall. The first outer wall 1028b is closer to the second side wall 104b than the first lug 1021, a distance D4 between the first outer wall 1028b and the center line of the connecting member is smaller than a distance D3 between the first lug 1021 and the center line of the connecting member, and a distance between the first outer wall 1028b and the center line of the connecting member may also be, in the direction L in the drawing, the second outer wall 1028c is closer to the second side wall 104b than the second lug 1022, and a distance between the second outer wall 1028c and the center line of the connecting member is smaller than a distance between the second lug 1022 and the center line of the connecting member.
Because the lug section has the assembly requirement, so need carry out the burring to it, when carrying out the burring to the lug section, because 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, helps first lug, the complete of second lug structure, in addition, because the setting of first outer wall portion 1028b, second outer wall portion 1028c, the accessible machinery burring, and 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 the first side wall 104a of the annular groove and the second side wall 104b of the annular groove both need deburring treatment, and the stability of the subsequent sealing structure is facilitated.
Further, in the axial direction Z of the connector, the height of the first outer wall 1028b is 0.4-0.8mm, and the height of the second outer wall 1028c is 0.4-0.8 mm.
The exposed portion 102 has an outer diameter larger than the second section 1012, and at least a portion of the welding portion 30 is connected to the housing wall 202 and the outer wall of the exposed portion 102 in an arc shape, so that the welding portion 30 does not fall into the housing wall 202. When manual welding, because the welding process is high temperature and goes on, for making the solder ensure to be full of the welding position during manual welding, can deliberately let the solder spill over a little more, the solder will fall into pedestal wall portion, conveniently is used for examining welding quality like this, prevents the rosin joint, but if operate like this, the structural problem that has welding appearance quality poor, the qualification rate is low of finished product. At least part of the welding part 30 of the technical scheme is arc-shaped and is connected with the outer wall of the seat body wall part 202 and the exposed part 102, the welding part 30 does not fall into the seat body wall part 202, the welding quality is better, and the appearance of a welded finished product is more attractive.
Further, the first lug 1021 and the second lug 1022 are different in shape, 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 connecting element 10 needs to be fixed to the seat body 20 at a specific position, and when the connecting element 10 is in interference fit with the seat body 20, the position of the connecting element 10 is determined by 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 structural diagram of another embodiment. In the following description, although some reference numerals are not illustrated in fig. 6, for better illustration, the same reference numerals refer to the positions of the reference numerals in fig. 1 to 5, the connection seat 100' includes a connection member 10 and a seat body 20, the connection member 10 and the seat body 20 are made of metal materials, the seat body 20 has a groove 201 and a seat body wall portion 202, the groove 201 is disposed on the side of the seat body wall portion 202, and the seat body wall portion 202 is disposed 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 is located on the opening 2014 side of the groove 201, the step wall 2013 can be used for placing solder during welding, and the step wall 2013 is a wall part illustrated in the figure and includes an annular bottom part and an annular side part.
The insert 101 includes a second section 1012, a first section 1011, and a third section 1013, one end of the third section 1013 is close to or in contact with the bottom wall 2011, the first section 1011 is located between the second section 1012 and the third section 1013, the outer diameter of the first section 1011 is greater than that of the third section 1013, the outer diameter of the first section 1011 is substantially the same as that of the second section 1012, at least a portion of the first section 1012 is in interference fit with the groove sidewall 2012, the third section 1013 is in clearance fit with the groove sidewall 2012, and at least a portion of the second section 1012 is opposite to the step wall 2013.
The step wall 2013 has an inner diameter larger than the groove sidewall 2012, and the second section 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 groove sidewall 2012, and the length of the second section 1012 being 1.3 to 4 times that of the first section. The step wall 2013 can be used for placing solder, the solder can firstly enter the area between the second section 1012 and the step wall 2013 after being melted, and most of the solder can flow to the area between the inserting part and the base body.
The connector holder 100 includes a welding portion 30, which at least includes a region of the step wall 2013 opposite to the second section 1012, a region of the groove sidewall 2012 opposite to the third section 1013, and a region of the groove sidewall 2012 opposite to the first section 1011. The welding part is the part that connecting piece and pedestal are connected.
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 first section 1011 and the groove sidewall 2012, and the thickness of the weld between the third section 1013 and the groove sidewall 2012 is greater than the thickness of the weld between the first section 1011 and the groove sidewall 2012, where H in fig. 6 is the thickness direction of the weld.
The bottom wall 2011 of the groove 201 is provided with a through hole 2011a (not illustrated in fig. 6, refer to fig. 2), the through hole 2011a is communicated with the inner cavity 103 of the connecting member 10, the connecting member 10 comprises a bottom 1015, the bottom 1015 of the connecting member 10 is located on the bottom wall 2011 of the groove 201, the inner cavity 103 of the connecting member 10 is larger than or equal to the through hole 2011a, the bottom 1015 of the connecting member 10 completely falls on the bottom wall 2011, flowing of molten solder between the connecting member and the side wall and between the connecting member and the bottom wall in a flowing process is facilitated, and the inner cavity 103 of the connecting member 10 is larger than or equal to the through hole 2011 a. The length of the insertion part 101 is 2-3.8 times of the wall thickness of the connecting piece 10, so that welding of a welded finished product is firm and strong, and the service life of the product is long.
The connecting member 10 further has an exposed portion 102, the exposed portion 102 does not extend into the groove 201, an outer diameter of at least a portion of the exposed portion 102 is substantially equal to the second section 1012, at least a portion of the welding portion 30 is connected to the housing wall 202 and an outer wall of the exposed portion 102 in an arc shape, and the welding portion 30 does not fall into the housing wall 202. When manual welding, because the welding process is high temperature and goes on, for making the solder ensure to be full of the welding position during manual welding, can deliberately let the solder spill over a little more, the solder will fall into pedestal wall portion, conveniently is used for examining welding quality like this, prevents the rosin joint, but if operate like this, the structural problem that has welding appearance quality poor, the qualification rate is low of finished product. At least part of the welding part 30 of the technical scheme is arc-shaped and is connected with the outer wall of the seat body wall part 202 and the exposed part 102, the welding part 30 does not fall into the seat body wall part 202, the welding quality is better, 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 different in shape, 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 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 by 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 holder 100, comprising:
processing the seat body 20;
machining the connecting piece 10;
welding the base body 20 and the connecting piece 10;
the processing method of the seat body 20 comprises the following steps:
providing a seat body blank, and drilling the seat body blank to form a groove 201;
perforating the bottom of the groove 201 to form a through hole;
a step wall 2013 is milled or turned on the opening side of the groove 201; the step wall 2013 may be used for placing solder.
Referring to fig. 5, 7 and 8, the method for processing the connecting piece includes:
blanking the blank section, and cutting a section to form a connecting piece blank 500;
slotting the outer wall of the connecting piece blank 500 to form an annular groove 104;
milling or turning the connecting piece blank 500, and machining a connecting piece barrel 1026 on one side of the annular groove 104; the connector barrel 1026 includes a lug section 1024; annular groove 104 includes a first sidewall 104a and a second sidewall 104b, second sidewall 104b being proximate to lug section 1024;
the lug section 1024 includes a first lug 1021a and a second lug 1022a, a portion of the first lug 1021a near the second sidewall 104b of the annular groove 104 is cut or turned or milled to form a first lug 1021 and a first outer wall 1028b, a portion of the second lug 1022a near the second sidewall 104b of the annular groove 104 is cut or turned or milled to form a second lug 1022 and a second outer wall 1028c, the first outer wall 1028b is near the second sidewall 104b with respect to the first lug 1021, a distance between the first outer wall 1028b and a centerline of the connecting member is smaller than a distance between the first lug 1021 and the centerline of the connecting member, the second outer wall 1028c is near the second sidewall 104b with respect to the second lug 1022, a distance between the second outer wall 1028c and the centerline of the connecting member is smaller than a distance between the second lug 1022 and the centerline of the connecting member, and a distance between the first outer wall 1028b and the first sidewall 104a is larger than a distance between the first sidewall 104a and the second sidewall 104b in the axial direction of the connecting member, the distance between the second outer wall 1028c and the first side wall 104a is greater than the distance between the first side wall 104a and the second side wall 104 b;
deburring the lug section 1024 adjacent to the second side wall 104b of the annular groove 104; more specifically, the annular wall 1028a, the first outer wall 1028b, and the second outer wall 1028c are deburred adjacent to the second side wall 104b of the annular groove 104.
And welding and fixing the connecting piece and the seat body.
The method for welding and fixing the connecting piece 10 and the seat body 20 comprises the following steps:
inserting the inserting part 101 into the groove 201 of the seat body 20, wherein the first section 1011 is in interference fit with the side wall of the groove, the interference magnitude is 0-130 micrometers, the gap between the third section and the side wall is 20-63 micrometers, and prepressing can be performed on a press-fitting machine once; after prepressing, maintaining the pressure once again to preliminarily fix the connecting piece 10 and the seat body 20; the first section is shorter, and can be realized only by small cylinder equipment of 0.6MPa, so that the equipment requirement is lower;
placing solder on the step wall 2013 of the seat body 20;
and (3) feeding the seat body 20 with the solder into a tunnel furnace for furnace welding, and forming a welding part at least in the area of the step wall 2013 opposite to the second section 1012, the area of the groove side wall 2012 opposite to the third section 1013 and the area of the groove side wall 2012 opposite to the first section 1011, thus completing the welding of the connecting seat.
The method for machining the connecting piece 10 further comprises the following steps:
the lug section 1024 is machined to form a first lug 1021, a second lug 1022 and a ring wall 1028a, the ring wall 1028a connects the first lug 1021 and the second lug 1022, and the ring wall 1028a is subjected to a deburring process. In the axial direction Z of the connector 10, the height of the first outer wall 1028b is 0.4-0.8mm, and the height of the second outer wall 1028c is 0.4-0.8 mm.
As other embodiments, the seat body 20 may have two or more grooves 201, two or more connecting members are placed in the grooves 201, furnace welding may be performed after the solder is placed after the initial fixing, and welding of two or more connecting members may be completed at one time, thereby improving production efficiency and reducing welding cost.
It should be noted that: although the present invention has been described in detail with reference to the above embodiments, those skilled in the art will appreciate that various combinations, modifications and equivalents of the present invention can be made by those skilled in the art, and all technical solutions and modifications thereof without departing from the spirit and scope of the present invention are encompassed by the claims of the present invention.
Claims (10)
1. A method for manufacturing a connecting seat comprises a seat body and a connecting piece,
the manufacturing method comprises the following steps:
providing a seat body blank, and drilling the seat body blank to form a groove; providing a connecting piece blank;
grooving the outer wall of the connecting piece blank to form an annular groove;
processing a lug section on one side of the annular groove; the annular groove includes a first sidewall and a second sidewall, the second sidewall being distal from the lug segment relative to the first sidewall;
the lug section includes a first lug and a second lug, a portion of the first lug near the second side wall is processed to form a first lug and a first outer wall portion, the first outer wall portion is near 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 lug near the second side wall is processed to form a second lug and a second outer wall portion, the second outer wall portion is near the second side wall with respect to the second lug, a distance between the second outer wall portion and the center line of the connector is smaller than a distance between the second lug and the center line of the connector, 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 axial direction of the connector, the distance between the second outer wall portion and the first side wall is greater than the distance between the first side wall and the second side wall;
carrying out deburring treatment on the lug sections;
and welding and fixing the connecting piece and the seat body.
2. The manufacturing method of the connecting socket according to claim 1, wherein:
the manufacturing method further includes:
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 connecting piece blank, processing the exposed part and the inserted part of the connecting piece barrel part, milling or turning the inserted part, and processing 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 manufacturing method of the connecting socket according to claim 2, wherein:
milling or turning the insertion part to machine a transition section, wherein the transition section is positioned between the third section and the first section and 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 and larger than that of the third section, the outer diameter of the transition section is increased 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 that 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 manufacturing method of the connecting socket according to claim 2, wherein:
the manufacturing method further includes:
milling or turning a step wall on the opening side of the groove;
inserting the inserting part into a groove of the seat body, wherein one end of the third section is close to or in contact 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 magnitude 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 seat body, and the inner diameter of the step wall is larger than 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 manufacturing method of the connecting socket according to claim 4, wherein:
after most of the first section is in interference fit with the side wall of the groove, pre-pressing once on a press-fitting machine; and after pre-pressing, maintaining the pressure once again to preliminarily fix the connecting piece and the seat body.
6. The manufacturing method of the connecting socket according to claim 4, wherein:
when the inserting part is inserted into the groove of the seat body, the second section at least has a first part and a second part, the first part is arranged opposite to the step wall, and the second part is arranged opposite to the side wall of the groove;
will the connecting piece still includes with the pedestal feeding tunnel furnace stove of placing the solder carries out the stove and welds: welding parts are formed in the area where the step wall of the seat body is opposite to the second section of the connecting piece, the area where the groove side wall of the seat body is opposite to the third section of the connecting piece, the area where the groove side wall of the seat body is opposite to the first section of the connecting piece, and the area where the second part is opposite to the groove side wall; the thickness of the welding part between the second section and the side wall of the groove is larger than that between the first section and the side wall of the groove, the thickness of the welding part between the second section and the side wall of the groove is larger than that between the third section and the side wall of the groove, and the thickness of the welding part between the third section and the side wall of the groove is larger than that between the first section and the side wall of the groove.
7. The manufacturing method of the connecting socket according to claim 4, wherein:
the connecting piece has exposed portion, exposed portion does not stretch into the recess, the pedestal has pedestal wall portion, pedestal wall portion is located the recess is peripheral, at least part of welding part is the arc and connects pedestal wall portion with exposed portion outer wall, the welding part does not fall into pedestal wall portion.
8. The manufacturing method of the connecting socket according to claim 1, wherein:
the manufacturing method further includes:
machining a first lug, a second lug and a ring wall on the lug section, wherein one part of the ring wall is connected with the first lug and the second lug, one part of the ring wall is connected with the first outer wall part and the second outer wall part, and deburring the ring wall.
9. The manufacturing method of the connecting socket according to claim 1, wherein:
the height of the first outer wall portion is between 0.4 and 0.8mm and the height of the second outer wall portion is between 0.4 and 0.8mm in the axial direction of the connector.
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 extends into the groove, and the inserting part is welded and fixed with the wall part of the groove;
the connecting piece is provided with an annular groove which is positioned outside the groove, the connecting piece comprises a lug section which comprises a first lug, a second lug and a ring wall, one part of the ring wall is connected with the first lug and the second lug, the annular groove comprises a first side wall and a second side wall, the second side wall is far away from the lug section relative to the first side wall, the lug section comprises a first outer wall part and a second outer wall part, one part of the ring wall is connected with the first outer wall part and the second outer wall part, the distance between the first outer wall part and the second side wall is larger than the distance between the first side wall and the second side wall in the axial direction of the connecting piece, the first outer wall part is close to the second side wall relative to the first lug, and the distance between the first outer wall part and the center line of the connecting piece is smaller than the distance between the first lug and the center line of the connecting piece, the distance between the second outer wall portion and the second side wall is larger than the distance between the first side wall and the second side wall, the second outer wall portion is close to the second side wall relative to the second lug, and the distance between the second outer wall portion and the center line of the connecting piece is smaller than the distance between the second lug and the center line of the connecting piece.
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 true CN111673375A (en) | 2020-09-18 |
| CN111673375B CN111673375B (en) | 2023-05-30 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040238568A1 (en) * | 2001-08-25 | 2004-12-02 | Brimson Michael Ronald | Valve assembly for containers |
| 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 |
-
2019
- 2019-03-11 CN CN201910181223.5A patent/CN111673375B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040238568A1 (en) * | 2001-08-25 | 2004-12-02 | Brimson Michael Ronald | Valve assembly for containers |
| 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 |
|---|---|
| CN111673375B (en) | 2023-05-30 |
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