CN105909509A - Water pump sealing seat and forming method thereof - Google Patents
Water pump sealing seat and forming method thereof Download PDFInfo
- Publication number
- CN105909509A CN105909509A CN201610268300.7A CN201610268300A CN105909509A CN 105909509 A CN105909509 A CN 105909509A CN 201610268300 A CN201610268300 A CN 201610268300A CN 105909509 A CN105909509 A CN 105909509A
- Authority
- CN
- China
- Prior art keywords
- seal
- semi
- sealing
- water pump
- cell body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
Abstract
The invention discloses a water pump sealing seat which comprises a semi-finished sealing seat. The semi-finished sealing seat is a stamped stainless steel component. The semi-finished sealing seat is uniform in wall thickness. A sealing groove body is machined in the inner side of the semi-finished sealing seat through turning. The sealing groove body is pressed to form a sealing groove. The groove wall of the sealing groove body is pressed and then forms a sealing protruding ring towards the exterior of the semi-finished sealing seat. The invention further discloses a forming method of the water pump sealing seat. According to the water pump sealing seat, the sealing protruding ring and the sealing groove are formed by pre-turning the sealing groove body and then pressing the sealing groove body, and the material thickness of the portions where the sealing protruding ring and the sealing groove need to be formed is reduced through pre-turning, so that the portions thin in wall thickness are easy to form in the stamping forming process; in addition, rounded corners on the two sides of the sealing protruding ring and rounded corners on the two sides of the sealing groove are small, and drawing requirements are met easily under the condition that the turning allowance is small; and in this way, the deformation resistance of plates in a convex rib deformation area can be effectively lowered, and the purpose of easy forming is achieved.
Description
Technical field
The present invention relates to the technical field of water pump, especially relate to a kind of water pump packing seat and forming method thereof.
Background technology
The method that the rustless steel seal receptacle of existing water pump all uses casting, this is because the seal groove of seal receptacle cannot be stamping, so can only the higher casting and molding method of use cost, foundry goods is compared with stamping parts, have the disadvantage that: 1. cast member interior tissue is loosened, there is the defects such as pore slag inclusion and be easily caused drainage, the rolled plate interior tissue refinement of punching press is uniformly, tensile strength is high, do not have drainage；2. casting is a high energy consumption, the processing method of high cost, and cast blank unit price is 2 to 3 times of sheet material unit price.Just because of there is drawbacks described above in cast member, so existing water pump packing seat cost is high, service life is short.
Chinese patent literature (the day for announcing: on December 9th, 2015, notification number: CN 204851621U) disclose horizontal pump seal receptacle structure, horizontal pump seal receptacle structure includes seal receptacle and the first boss, being provided with at the two ends of seal receptacle and use the second the most cold stamping shaped boss, the lateral part of the second boss is arc-shaped；The middle being positioned at the first boss and the second boss on described seal receptacle is provided with arm-tie seat.The beneficial effects of the utility model are: both can guarantee that sealing plate intensity, again can part form and position tolerance under multiple seam, and shorten manufacturing procedure simple and fast.
Chinese patent literature (the day for announcing: January 1 in 2014, notification number: CN103481028A) processing method that discloses the valve base sealing structure of a kind of ball valve, including valve seat semi-finished product, in two trough rims of the annular seal groove of these valve seat semi-finished product at least one trough rim be free margins, a sealing ring is free to put into described annular seal groove；The step of described processing method includes: the first step: upper mold being installed on the drift of a press, lower mold is installed on the workbench of described press；Second step: described sealing ring is placed in the annular seal groove of described valve seat semi-finished product, then described valve seat semi-finished product are placed in described lower mold, next starting described press makes described upper mold act on the free margins of described annular seal groove, and the described free margins that bends makes described free margins clasp described sealing ring and allow that seal ring part is protruding to outside described annular seal groove.The present invention uses stamping method to make the sealing structure of valve seat so that the matching relationship of sealing ring and annular seal groove is more stable, and the preparation technology automaticity of valve seat is higher.
Although technique scheme is also a kind of processing method of seal receptacle, but above-mentioned processing method is not suitable for the processing of water pump packing seat.
Summary of the invention
First goal of the invention of the present invention is to solve the difficult problem that in prior art, the seal groove of water pump rustless steel seal receptacle cannot be stamping, and a kind of resistance of deformation that can effectively reduce convex tendon deformed area stainless steel materials is provided, it is easy to the water pump packing seat shaped.
Second goal of the invention of the present invention is the forming method for providing a kind of water pump packing seat.
The present invention realizes its first goal of the invention and be the technical scheme is that a kind of water pump packing seat, including seal receptacle semi-finished product, described seal receptacle semi-finished product are punching press stainless steel component, described seal receptacle semi-finished product wall thickness equal thickness is arranged, the inner side turnery processing of described seal receptacle semi-finished product has sealing cell body, described sealing cell body forms seal groove after pier pressure, and the described cell wall sealing cell body presses outside formation of backward seal receptacle semi-finished product to seal flange collar through pier.This water pump packing seat, a sealing cell body is gone out by first seal receptacle semi-finished product first being carried out machining preparation, then technique is pressed by pier, make to seal to be formed at cell body and seal flange collar and seal groove, such water pump packing seat, method owing to using pre-car to seal cell body and pier pressing formation comes form seal flange collar and seal groove, the purpose of pre-car is to reduce material thickness at the position needing form seal flange collar and seal groove, the place that when making stamping, wall thickness is thin is readily formed, and the fillet on sealing flange collar and seal groove both sides is little, it is prone in the case of the less surplus of turning reach to design requirement, so can effectively reduce the resistance of deformation of convex tendon deformed area sheet material, reach the purpose being readily formed.
As preferably, the described degree of depth sealing cell body is 1mm～2mm, width width about the 4mm of the described seal groove after the width ratio pier pressure sealing cell body.The edge of the seal groove after the described groove edge sealing cell body and the distance of seal receptacle semi-finished product oral area and pier pressing formation is identical with the distance of water pump packing seat finished product oral area.Seal the degree of depth of cell body with satisfied deformation, it is achieved be sealed into purpose, as long as above-mentioned requirements can be crossed.
As preferably, described seal groove eventually forms seal groove seal after finish turning is processed.In order to sealing effectiveness is more preferable, the seal groove after molding can be carried out polish.
The present invention realizes its second goal of the invention and be the technical scheme is that the forming method of the water pump packing seat described in a kind of claim 1, it is characterized in that: the forming method of this water pump packing seat comprises the following steps: the 1) stainless steel materials of the selected thickness that meets the requirements, by being stamped and formed out seal receptacle semi-finished product；2) on the opening inner side wall of seal receptacle semi-finished product, sealing cell body is formed by machining preparation；3) the seal receptacle semi-finished product in step 2 are put in pier compression mould, make the corresponding position sealing cell body on the outer wall of seal receptacle semi-finished product be formed by Dun Yamojudun pressure and seal flange collar, and seal cell body and become seal groove through pier swaging；4) die sinking is taken out pier casting die and is formed water pump packing seat finished product.The forming method of this water pump packing seat, owing to rustless steel seal receptacle is a seal and pressure bearing part in water pump, there are certain intensity and seal request, and after stamping, needed surplus finish turning process and assemble matching part size, so punching press stainless steel materials thickness chooses 4-6mm, general slab press-processing method is difficult to requisite sealing flange collar and the such structure of seal groove on form seal seat, this forming method solves the difficult problem that the sealing flange collar of water pump rustless steel seal receptacle and seal groove cannot be stamping, proposes a kind of feasible press-processing method.Pre-car is used to seal cell body and carry out the method for pier pressing formation come form seal flange collar and seal groove to sealing cell body, by pre-car so that the sheet material of rustless steel seal receptacle is not limited by thickness, and by the way of turnery processing, the thickness of material is only reduced at the position needing form seal flange collar and seal groove, the place that when making stamping, wall thickness is thin is readily formed, and the fillet on sealing flange collar and seal groove both sides is little, it is prone in the case of the less surplus of turning reach to design requirement, so can effectively reduce the resistance of deformation of convex tendon deformed area sheet material, reach the purpose being readily formed.
As preferably, step 2) in the groove depth sealing cell body of machining preparation molding be 1mm～2mm, or machining preparation molding seal groove depth is stainless steel materials thickness the 1/3 to 1/2 of cell body；Width width about the 4mm of the described seal groove after the width ratio pier pressure sealing cell body.Pre-car seals the degree of depth of cell body and is typically chosen 1mm～2mm, or about the 1/3 to 1/2 of sheet metal thickness, such structure i.e. ensure that the bearing requirements of seal receptacle, can meet again the requirement that pier is molded, effectively reduce the resistance of deformation of convex tendon deformed area sheet material, reach the purpose being readily formed.
As preferably, pier compression mould in step 3) includes cope match-plate pattern, discharging polyurethane block, stripper, upper model cavity, lower mold die cavity and lower bolster, shape shaping mold cavity after described upper model cavity and lower mold die cavity Guan Bi, described sealing cell body deforms naturally at pattern intracavity during pier pressure, being outwardly formed sealing flange collar, seal groove body deformability forms seal groove simultaneously.Pier compression mould uses said structure, and the pier not only improving sealing flange collar and seal groove is molded, and such Mould operation is convenient and swift.
As preferably, when described upper model cavity and lower mold die cavity closed shaping mold cavity, between pattern chamber and pier casting die seal receptacle semi-finished product, it is provided with the gap of 0.1mm～0.2mm.Such structure i.e. can guarantee that forming dimension can realize again the smooth demoulding.
As preferably, step 4) can also carry out polish to seal groove after completing, and polish uses finish turning processing.
The invention has the beneficial effects as follows: this water pump packing seat and forming method thereof, pre-car is used to seal cell body, then the method carrying out pier pressing formation comes form seal flange collar and seal groove, material thickness is reduced at the position needing form seal flange collar and seal groove by pre-car, the place that when making stamping, wall thickness is thin is readily formed, and the fillet on sealing flange collar and seal groove both sides is little, it is prone in the case of the less surplus of turning reach drawing requirement, so can effectively reduce the resistance of deformation of convex tendon deformed area sheet material, reach the purpose being readily formed.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of water pump packing seat semi-finished product of the present invention；
Fig. 2 is a kind of structural representation after the water pump packing pre-car of seat semi-finished product of the present invention seals cell body；
Fig. 3 is a kind of structural representation of water pump packing seat finished product of the present invention；
Fig. 4 is the molded a kind of structural representation of water pump packing seat semi-finished product pier that the pre-car of band of the present invention seals cell body；
In figure: 1, seal receptacle semi-finished product, 2, seal cell body, 3, seal groove, 4, flange collar is sealed, 5, seal groove seal, 6, pier compression mould, 7, water pump packing seat finished product, 8, cope match-plate pattern, 9, discharging polyurethane block, 10, stripper, 11, upper model cavity, 12, lower mold die cavity, 13, lower bolster, 14, pattern chamber.
Detailed description of the invention
Below by specific embodiment and combine accompanying drawing technical scheme is described in further detail.
Embodiment 1:
In the embodiment shown in Fig. 1, Fig. 2, Fig. 3, a kind of water pump packing seat, including seal receptacle semi-finished product 1, seal receptacle semi-finished product 1 are punching press stainless steel component, seal receptacle semi-finished product 1 wall thickness equal thickness is arranged, cell body degree of depth of the inner side turnery processing of seal receptacle semi-finished product 1 is 1mm～2mm seals cell body 2, seals width width about the 4mm of the seal groove 3 after the width ratio pier pressure of cell body 2.Sealing cell body 2 and form seal groove 3 after pier pressure, the cell wall sealing cell body 2 presses outside formation of backward seal receptacle semi-finished product 1 to seal flange collar 4 through pier.Seal groove 3 eventually forms seal groove seal 5 after finish turning is processed.
The forming method (see figure 4) of a kind of water pump packing seat, the forming method of this water pump packing seat comprises the following steps: the 1) stainless steel materials of the selected thickness that meets the requirements, by being stamped and formed out seal receptacle semi-finished product 1；2) on the opening inner side wall of seal receptacle semi-finished product 1, sealing cell body 2 is formed by machining preparation；The groove depth sealing cell body 2 of machining preparation molding is 1mm～2mm, or groove depth is stainless steel materials thickness the 1/3 to 1/2 of the sealing cell body 2 of machining preparation molding.Seal width width about the 4mm of the seal groove 3 after the width ratio pier pressure of cell body 2.
3) the seal receptacle semi-finished product 1 in step 2 are put in pier compression mould 6, make the corresponding position sealing cell body 2 on the outer wall of seal receptacle semi-finished product 1 be formed by pier compression mould 6 pier pressure and seal flange collar 4, and seal cell body 2 and become seal groove 3 through pier swaging；4) die sinking is taken out pier casting die and is formed water pump packing seat finished product 7.
Pier compression mould 6 in step 3) includes cope match-plate pattern 8, discharging polyurethane block 9, stripper 10, upper model cavity 11, lower mold die cavity 12 and lower bolster 13, shape shaping mold cavity 14 after upper model cavity 11 and lower mold die cavity 12 Guan Bi, seal cell body 2 deformation naturally in pattern chamber 14 during pier pressure, it is outwardly formed sealing flange collar 4, seals cell body 2 deformation simultaneously and form seal groove 3.Upper model cavity 11 and the cavity that lower mold die cavity 12 inside is hierarchic structure, the minimum diameter of the hierarchic structure of upper model cavity 11 is less than the minimum diameter of the hierarchic structure of lower mold die cavity 12, after such structure makes model cavity 11 close with lower mold die cavity 12, be conducive to molding, make pattern intracavity treats that pier casting die can be by the extruding force of above-below direction and the extruding force of left and right directions and stretching force, so that seal groove and seal flange collar and formed and put in place.When upper model cavity 11 is with lower mold die cavity 12 closed shaping mold cavity 14, between pattern chamber 14 and pier casting die seal receptacle semi-finished product 1, it is provided with the gap of 0.1mm～0.2mm.
Step 4) can also carry out polish to seal groove 3 after completing, polish uses finish turning processing.
nullIn this embodiment，The double action hydraulic press drawing thickness using 315T is 4mm，A diameter of 150mm，The degree of depth is the seal receptacle semi-finished product 1 of 70mm，First with the sealing cell body 2 that one degree of depth of the pre-car of lathe is shallower on seal receptacle semi-finished product 1，Then diel pier pressing formation seal groove 3 is used to strengthen the degree of depth of seal groove，The purpose of pre-car is to reduce material thickness at the position needing form seal flange collar and seal groove，Thus the strength of materials is reduced at this position，Reach the purpose being readily formed，The degree of depth of pre-recessing is typically chosen 1.5-2mm，Pre-car seals the seal groove width dimensions after the width ratio pier pressure of cell body increases about 4mm，The size that pre-car seals stamping parts seal receptacle semi-finished product 1 total height before cell body and increases than the seal receptacle finished product total height after pier pressing formation seals the equivalently-sized of the wide increase of cell body with above-mentioned this.And pre-car to seal cell body edge identical far from the distance of seal receptacle finished product oral area with the edge of the seal groove after pier pressing formation far from the distance of seal receptacle semi-finished product 1 oral area.
Pier compression mould is pressed template 8 by pier, discharging polyurethane block 9, stripper 10, upper model cavity 11, lower mold die cavity 12, lower bolster 13 form, common single double action hydraulic press selected by forcing press, when forcing press is descending, seal receptacle semi-finished product are axial compression deformation one muscle of outwardly shaping under forcing press effect, i.e. seal flange collar, at the sealing flange collar of evagination indent of pattern intracavity forming reservation shape size and the seal groove of upper and lower mould matched moulds composition.And seal receptacle semi-finished product have gap 0.1mm～0.2mm to coordinate when putting into model cavity and lower mold die cavity, the most i.e. can guarantee that forming dimension again can the demoulding smoothly.
The forming method of this water pump packing seat, owing to rustless steel seal receptacle is a seal and pressure bearing part in water pump, there are certain intensity and seal request, and after stamping, needed surplus finish turning process and assemble matching part size, so punching press stainless steel materials thickness chooses 4-6mm, general slab press-processing method is difficult to requisite sealing flange collar and the such structure of seal groove on form seal seat, this forming method solves the difficult problem that the sealing flange collar of water pump rustless steel seal receptacle and seal groove cannot be stamping, proposes a kind of feasible press-processing method.Pre-car is used to seal cell body and carry out the method for pier pressing formation come form seal flange collar and seal groove to sealing cell body, by pre-car so that the sheet material of rustless steel seal receptacle is not limited by thickness, and by the way of turnery processing, the thickness of material is only reduced at the position needing form seal flange collar and seal groove, the place that when making stamping, wall thickness is thin is readily formed, and the fillet on sealing flange collar and seal groove both sides is little, it is prone in the case of the less surplus of turning reach to design requirement, so can effectively reduce the resistance of deformation of convex tendon deformed area sheet material, reach the purpose being readily formed.
Claims (8)
1. a water pump packing seat, it is characterized in that: include seal receptacle semi-finished product (1), described seal receptacle semi-finished product (1) are punching press stainless steel component, the wall thickness such as described seal receptacle semi-finished product (1) are arranged, the inner side turnery processing of described seal receptacle semi-finished product (1) has sealing cell body (2), described sealing cell body (2) forms seal groove (3) after pier pressure, and the cell wall of described sealing cell body (2) presses outside formation of backward seal receptacle semi-finished product (1) to seal flange collar (4) through pier.
A kind of water pump packing seat the most according to claim 1, it is characterised in that: the degree of depth of described sealing cell body (2) is 1mm～2mm, width width about the 4mm of the seal groove (3) after the width ratio pier pressure of described sealing cell body (2).
A kind of water pump packing seat the most according to claim 1 and 2, it is characterised in that: seal groove (3) eventually forms seal groove seal (5) after finish turning is processed.
4. the forming method of the water pump packing seat described in a claim 1, it is characterised in that: the forming method of this water pump packing seat comprises the following steps: the 1) stainless steel materials of the selected thickness that meets the requirements, by being stamped and formed out seal receptacle semi-finished product (1)；2) on the opening inner side wall of seal receptacle semi-finished product (1), sealing cell body (2) is formed by machining preparation；3) the seal receptacle semi-finished product (1) in step 2 are put in pier compression mould (6), make the corresponding position sealing cell body (2) on the outer wall of seal receptacle semi-finished product (1) be formed by pier compression mould (6) pier pressure and seal flange collar (4), and seal cell body (2) and become seal groove (3) through pier swaging；4) die sinking is taken out pier casting die and is formed water pump packing seat finished product (7).
The forming method of a kind of water pump packing seat the most according to claim 4, it is characterized in that: step 2) in the groove depth of sealing cell body (2) of machining preparation molding be 1mm～2mm, or groove depth is stainless steel materials thickness the 1/3 to 1/2 of the sealing cell body (2) of machining preparation molding；Width width about the 4mm of the seal groove (3) after the width ratio pier pressure of described sealing cell body (2).
The forming method of a kind of water pump packing seat the most according to claim 4, it is characterized in that: the pier compression mould (6) in step 3) includes cope match-plate pattern (8), discharging polyurethane block (9), stripper (10), upper model cavity (11), lower mold die cavity (12) and lower bolster (13), shape shaping mold cavity (14) after described upper model cavity (11) and lower mold die cavity (12) Guan Bi, described sealing cell body (2) is deformation naturally in pattern chamber (14) during pier pressure, it is outwardly formed sealing flange collar (4), seal cell body (2) deformation simultaneously and form seal groove (3).
The forming method of a kind of water pump packing seat the most according to claim 6, it is characterized in that: when described upper model cavity (11) and lower mold die cavity (12) closed shaping mold cavity (14), between pattern chamber (14) and pier casting die seal receptacle semi-finished product (1), be provided with the gap of 0.1mm～0.2mm.
8. according to the forming method of a kind of water pump packing seat described in claim 4 or 5 or 6 or 7, it is characterised in that: step 4) can also carry out polish to seal groove (3) after completing, polish uses finish turning processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610268300.7A CN105909509B (en) | 2016-04-27 | 2016-04-27 | A kind of water pump seal receptacle and its forming method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610268300.7A CN105909509B (en) | 2016-04-27 | 2016-04-27 | A kind of water pump seal receptacle and its forming method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105909509A true CN105909509A (en) | 2016-08-31 |
| CN105909509B CN105909509B (en) | 2017-12-19 |
Family
ID=56752729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610268300.7A Active CN105909509B (en) | 2016-04-27 | 2016-04-27 | A kind of water pump seal receptacle and its forming method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105909509B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108930816A (en) * | 2017-05-23 | 2018-12-04 | 浙江三花制冷集团有限公司 | A kind of reversal valve and preparation method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE644191C (en) * | 1937-04-26 | Rheinisches Press & Ziehwerk K | Method for filling in the folding gap on the folding flange of a piercing lid | |
| DE706010C (en) * | 1934-07-10 | 1941-05-15 | Albert Friedinger | Process for the production of right-angled or acute-angled screens on cans drawn from thin metal sheets |
| JPS62282728A (en) * | 1986-03-10 | 1987-12-08 | ユルトラ−ツエントリフユ−ゲ、ネ−デルランド、ナ−ムロ−ゼ、ヴエノ−トチヤツプ | Method of forming protrusion to pipe member |
| CN101559447A (en) * | 2009-05-22 | 2009-10-21 | 姚宁 | Thin wall pipe connector and processing method thereof |
| US20120161438A1 (en) * | 2010-12-22 | 2012-06-28 | Viega Gmbh & Co. Kg | Press Fitting and Use Thereof |
| CN103481028A (en) * | 2013-09-04 | 2014-01-01 | 苏州市燃气设备阀门制造有限公司 | Processing method of valve seat sealing structure of ball valve |
| CN204459550U (en) * | 2015-01-29 | 2015-07-08 | 浙江锦安汽车零部件有限公司 | A kind of turbosupercharging water pipe |
| CN204851621U (en) * | 2015-05-28 | 2015-12-09 | 浙江南元泵业有限公司 | Horizontal water pump seal receptacle structure |
| CN205714718U (en) * | 2016-04-27 | 2016-11-23 | 南方中金环境股份有限公司 | A kind of water pump packing seat |
-
2016
- 2016-04-27 CN CN201610268300.7A patent/CN105909509B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE644191C (en) * | 1937-04-26 | Rheinisches Press & Ziehwerk K | Method for filling in the folding gap on the folding flange of a piercing lid | |
| DE706010C (en) * | 1934-07-10 | 1941-05-15 | Albert Friedinger | Process for the production of right-angled or acute-angled screens on cans drawn from thin metal sheets |
| JPS62282728A (en) * | 1986-03-10 | 1987-12-08 | ユルトラ−ツエントリフユ−ゲ、ネ−デルランド、ナ−ムロ−ゼ、ヴエノ−トチヤツプ | Method of forming protrusion to pipe member |
| CN101559447A (en) * | 2009-05-22 | 2009-10-21 | 姚宁 | Thin wall pipe connector and processing method thereof |
| US20120161438A1 (en) * | 2010-12-22 | 2012-06-28 | Viega Gmbh & Co. Kg | Press Fitting and Use Thereof |
| CN103481028A (en) * | 2013-09-04 | 2014-01-01 | 苏州市燃气设备阀门制造有限公司 | Processing method of valve seat sealing structure of ball valve |
| CN204459550U (en) * | 2015-01-29 | 2015-07-08 | 浙江锦安汽车零部件有限公司 | A kind of turbosupercharging water pipe |
| CN204851621U (en) * | 2015-05-28 | 2015-12-09 | 浙江南元泵业有限公司 | Horizontal water pump seal receptacle structure |
| CN205714718U (en) * | 2016-04-27 | 2016-11-23 | 南方中金环境股份有限公司 | A kind of water pump packing seat |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108930816A (en) * | 2017-05-23 | 2018-12-04 | 浙江三花制冷集团有限公司 | A kind of reversal valve and preparation method thereof |
| CN108930816B (en) * | 2017-05-23 | 2021-04-06 | 浙江三花制冷集团有限公司 | Reversing valve and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105909509B (en) | 2017-12-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203304399U (en) | Horn basin stand stamping progressive die | |
| CN103861927B (en) | A kind of sheet material multiple spot punch liquid filling deep-drawing forming device and method | |
| CN103567248B (en) | A kind of inside and outside compromise face band muscle cylinder extrusion molding dies | |
| CN204396767U (en) | Bullet train wheel forging and molding mold | |
| CN105537360A (en) | Forward-backward drawing and forming method for metal plate soft mould | |
| CN102699094A (en) | Die used in extrusion moulding of high-precision complex copper alloy thrust bearing seat | |
| CN106391812A (en) | Stamping forming method of big-flange high-turnup pipe orifice reinforcing piece | |
| CN103909132A (en) | Reverse drawing method for soft die with peripheral auxiliary thrust | |
| CN106734486B (en) | A kind of the aviation sheet metal component press-processing method and its mold of biaxial tension | |
| CN206104676U (en) | A bulging die for dustcoat part | |
| CN104815904B (en) | A kind of method of work of supercharging composite die | |
| CN205714718U (en) | A kind of water pump packing seat | |
| CN105909509A (en) | Water pump sealing seat and forming method thereof | |
| CN204747242U (en) | Rim becomes major part mould | |
| CN210059456U (en) | Automatic production device for stretching and stamping metal iron shell | |
| CN107900270B (en) | A kind of hinge beam Integral die-forged combined die for forming and its processing hinge beam method | |
| CN109079028A (en) | A kind of automotive muffler cold end Profiled double-deck shell drawing work and drawing die | |
| CN103521624B (en) | The one-body molded compound cupping tool of wheel hub and technique thereof | |
| CN203508797U (en) | Composite deep drawing die for integrated hub forming | |
| CN203077403U (en) | Inverted-mounting type rubber blanking die | |
| CN206104674U (en) | Pipe bulging die | |
| CN202498130U (en) | Flip-over rubber stamping die | |
| CN206104677U (en) | Toper terminal surface drift bulging die | |
| CN211250544U (en) | External isobaric forming die structure | |
| CN203862945U (en) | Forging ring combination die |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: No. 46 Hangzhou City, Zhejiang province 311100 Yuhang District Renhe Street Renhe Road Applicant after: Southern Gold environment Limited by Share Ltd Address before: Renhe Town of Yuhang District of Hangzhou City, Zhejiang province 311107 Applicant before: Nanfang Pump Industry Co.,Ltd. |
|
| COR | Change of bibliographic data | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210507 Address after: 311100 Building 2, No.20 Hengyi street, economic and Technological Development Zone, Yuhang District, Hangzhou City, Zhejiang Province Patentee after: Haozhuo pump (Hangzhou) Co.,Ltd. Address before: 311100 Renhe Road 46, Renhe street, Yuhang District, Hangzhou, Zhejiang Patentee before: NANFANG ZHONGJIN ENVIRONMENT Co.,Ltd. |