CN104029404B - High temperature valve seat bush system of processing - Google Patents
High temperature valve seat bush system of processing Download PDFInfo
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- CN104029404B CN104029404B CN201410256613.1A CN201410256613A CN104029404B CN 104029404 B CN104029404 B CN 104029404B CN 201410256613 A CN201410256613 A CN 201410256613A CN 104029404 B CN104029404 B CN 104029404B
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- valve seat
- molding wheel
- lining
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Abstract
The invention belongs to valve seat manufacturing technology field, especially relate to a kind of high temperature valve seat bush system of processing.It solve the technical problems such as prior art is not reasonable.Form turning edge of turning up including the end that can make cylindric blank thus obtain the pre-shaping device of the preforming lining in I shape, can carry out shaping by preforming lining thus obtain the shaped device of sizing lining, and the side opening processing unit (plant) of side opening can be processed at the sidepiece of sizing lining, described pre-shaping device, shaped device and side opening processing unit (plant) set gradually；Described shaped device includes mould assembly and the preforming lining being contained in mould assembly can carry out the press being extruded to shape.Advantage is compared with prior art: 1, easy to process, saves material.2, process time is shorter, effectively raises production efficiency, adds enterprise production, can process more product within the identical time.3, machining accuracy is high, effectively reduces the generation of defective products.
Description
Technical field
The invention belongs to valve seat manufacturing technology field, especially relate to a kind of high temperature valve seat bush system of processing.
Background technology
Valve seat is detachable face component in valve, is used for supporting spool closed positions, and constitutes sealing pair.General valve-seat diameter is valve maximum flow diameter.Such as the valve seat material of butterfly valve is widely, all kinds of rubber, plastics, metal material all can be as valve seat material, such as: EPDM, NBR, NR, PTFE, PEEK, PFA, SS315, STELLITE etc..Valve seat bush is formed into the critical piece of valve seat, now with in technology, valve seat bush typically uses cylindrical shape raw material by lathe turning aftershaping, and this manufacture method not only causes that manufacturing cost is higher, it is relatively complicated to process, more waste social resources, do not meet the theory of energy-conserving and environment-protective.Accordingly, it would be desirable to a kind of high temperature valve seat bush processing method saving rapidoprint, but prior art is not applicable to the system of processing of this processing method.
Summary of the invention
It is an object of the invention to for the problems referred to above, it is provided that a kind of easy to process, save the high temperature valve seat bush system of processing of material.
For reaching above-mentioned purpose, present invention employs following technical proposal: this high temperature valve seat bush system of processing, it is characterized in that, native system includes making the end of cylindric blank to form turning edge of turning up thus obtains the pre-shaping device of the preforming lining in I shape, can carry out shaping by preforming lining thus obtain the shaped device of sizing lining, and the side opening processing unit (plant) of side opening can be processed at the sidepiece of sizing lining, described pre-shaping device, shaped device and side opening processing unit (plant) set gradually；Described shaped device includes mould assembly and the preforming lining being contained in mould assembly can carry out the press being extruded to shape.
In above-mentioned high temperature valve seat bush system of processing, described pre-shaping device includes pedestal, pedestal is provided with driving shaft arranged in parallel and driven shaft, connect on described driving shaft and have the drive mechanism that driving shaft can be driven to rotate, it is provided with between described driving shaft and driven shaft and driving shaft can be made to drive the drive mechanism that driven shaft rotates, described driving shaft is provided with the first molding wheel body, described driven shaft is provided with the second molding wheel body, the first described molding wheel body and the second molding wheel body are disposed adjacent and are formed between the first molding wheel body and the second molding wheel body for making the end of cylindric blank form the forming gap turned edge turned up.
In above-mentioned high temperature valve seat bush system of processing, described drive mechanism includes the driving gear being fixed on driving shaft and the driven gear being fixed on driven shaft, and described driving gear is meshed with driven gear；Described drive mechanism includes the driving motor being fixed in frame, and described driving motor is connected with driving shaft by coupling structure, and described pedestal is fixed in frame；Described pedestal is provided with the spacing that can adjust between driving shaft and driven shaft thus changes the gap adjusting mechanism of the size of described forming gap；Described pedestal is provided with and is positioned at the first molding wheel body and the width adjusting mechanism that turns edge of the external side of the second briquetting roller.
In above-mentioned high temperature valve seat bush system of processing, described gap adjusting mechanism includes the mounting groove being arranged on pedestal, in mounting groove, it is provided with adjustment seat and adjustment seat is slidably connected with mounting groove, described driven shaft is located in adjustment seat and is provided with at least one bearing between driven shaft and adjustment seat, the regulation bolt being connected with base thread it is equipped with on described pedestal, one end of described regulation bolt is positioned at outside pedestal and is fixed with turning handle, and the other end is positioned at pedestal and is rotationally connected with adjustment seat.
In above-mentioned high temperature valve seat bush system of processing, the described width adjusting mechanism that turns edge includes being positioned at the first molding wheel body and the baffle plate of the second briquetting roller body periphery and the outer end that turns edge when the molding that turns edge is to required width can contact with baffle plate, and described baffle plate is connected with the axially displaced structure that baffle plate can be driven to move axially along the first molding wheel body and the second molding wheel body；Described axially displaced structure includes the adjustment bolt being located on pedestal, described adjustment bolt be arranged in parallel with driving shaft and driven shaft respectively, described baffle plate is fixed on the one end adjusting bolt, adjusts the other end of bolt and is located on pedestal and adjusts and threaded on bolt have the adjusting nut laying respectively at pedestal inner side and outer side.
In above-mentioned high temperature valve seat bush system of processing, described baffle plate is provided with an arc groove, and arc groove coordinates with the first molding wheel body or the second briquetting roller body space；Or described baffle plate is provided with two arc grooves, and one of them arc groove and the first briquetting roller body space coordinate, and another arc groove and the second briquetting roller body space coordinate；The heating arrangements that hot blast can be provided it is provided with to described forming gap region outside described baffle plate.
As preferably, heating arrangements includes blowing hot wind device, is provided with the air outlet of described forming gap region on blowing hot wind device.This blowing hot wind device inserts in centring ring and centring ring is fixing on the securing lever.Being provided with spur on baffle plate, described spur is positioned at air outlet.The water conservancy diversion that the hot blast of blowing hot wind device blowout can be carried out by baffle plate, enhances the hot blast temperature to workpiece.
In above-mentioned high temperature valve seat bush system of processing, described lining mould assembly includes central cylinder cylindrically, there is the bulge loop for the sheathed preforming lining in I shape at the middle part of central cylinder, described bulge loop periphery is arranged with spliced outer cylinder body, and the spacing between spliced outer cylinder body inwall and bulge loop outer wall is not less than preforming insert thickness, described central cylinder two ends are cased with end ring respectively, and turning edge of preforming lining is pressed on the end face of bulge loop by end ring.
In above-mentioned high temperature valve seat bush system of processing, described spliced outer cylinder body includes that some arc sections and each arc section are spliced into spliced outer cylinder body cylindrically, is connected by demountable structure between adjacent arc section；Described demountable structure includes the connecting hole being located in adjacent two arc section end respectively, and bolt sequentially passes through two connecting holes and threadeds with two connecting holes respectively.
As preferably, demountable structure can also be the connecting hole being disposed therein an arc section end, is provided with blind screwhole in another arc section end, and connecting bolt is spirally connected through connecting hole with blind screwhole.
In above-mentioned high temperature valve seat bush system of processing, the sidepiece of described spliced outer cylinder body has some through holes, described end ring has the choke being inserted into central cylinder towards one end of bulge loop, the step surface being pressed on bulge loop end face by turning edge is formed between in the middle part of described choke and end ring, described choke outer wall is affixed on central cylinder inwall, and the end face of the described end ring other end is not less than the end face of central cylinder.
nullIn above-mentioned high temperature valve seat bush system of processing，Described side opening processing unit (plant) includes support，Support is provided with horizontally disposed location bar，It is fixed with at least perforated pins arranged straight up on described location bar，The top of described perforated pins is tapered and perforated pins is connected with location bar by demountable structure，The underface of described perforated pins is respectively equipped with one and is positioned at the lift bracket below the bar of location，Described lift bracket includes cradle，Rhombus expansion bracket is had at cradle，The lower link point of described rhombus expansion bracket is arranged in mounting seat，Described cradle is arranged on the upper link point of rhombus expansion bracket，The left pin joint of rhombus expansion bracket is provided with left jacketing，Right pin joint is provided with right jacketing，Described left jacketing or right jacketing are swivel nut，Piece lift adjustment screw rod sequentially passes through left jacketing and right jacketing and lift adjustment screw rod is threadeded with swivel nut；One end of described lift adjustment screw rod is provided with handle.
Compared with prior art, the advantage of this high temperature valve seat bush system of processing is: 1, easy to process, saves material.2, process time is shorter, effectively raises production efficiency, adds enterprise production, can process more product within the identical time.3, machining accuracy is high, effectively reduces the generation of defective products.4, simple to operate, easy to use.5, being easy to safeguard, service life of equipment is long.
Accompanying drawing explanation
Fig. 1 is the part-structure schematic diagram of the pre-shaping device that the present invention provides.
Fig. 2 is the perspective view of the pre-shaping device that the present invention provides.
Fig. 3 is another view stereo structural representation of the pre-shaping device that the present invention provides.
Fig. 4 is the structural representation of the shaped device that the present invention provides.
Fig. 5 is the structural representation of the mould assembly that the present invention provides.
Fig. 6 is the sectional structure schematic diagram of the mould assembly that the present invention provides.
Fig. 7 is the structural representation of the side opening processing unit (plant) that the present invention provides.
nullIn figure，Pre-shaping device 1、Shaped device 2、Side opening processing unit (plant) 3、Mould assembly 21、Press 22、Pedestal 11、Driving shaft 111、Driven shaft 112、Drive mechanism 12、Drive mechanism 13、First molding wheel body 111a、Second molding wheel body 112a、Forming gap 113、Driving gear 121、Driven gear 122、Frame 13a、Drive motor 13b、Gap adjusting mechanism 4、Turn edge width adjusting mechanism 5、Mounting groove 41、Adjustment seat 42、Bearing 43、Regulation bolt 44、Turning handle 45、Baffle plate 51、Adjust bolt 52、Adjusting nut 53、Arc groove 511、Heating arrangements 6、Central cylinder 7、Bulge loop 71、Spliced outer cylinder body 72、End ring 73、Arc section 721、Connecting hole 721a、Bolt 721b、Through hole 72a、Choke 731、Step surface 732、Support 31、Location bar 32、Perforated pins 33、Lift bracket 34、Cradle 341、Mounting seat 342、Rhombus expansion bracket 343、Left jacketing 342a、Right jacketing 342b、Lift adjustment screw rod 35、Handle 36.
Detailed description of the invention
As shown in figs. 1-7, this high temperature valve seat bush system of processing, it is characterized in that, native system includes making the end of cylindric blank to form turning edge of turning up thus obtains the pre-shaping device 1 of the preforming lining in I shape, can carry out shaping by preforming lining thus obtain the shaped device 2 of sizing lining, and the side opening processing unit (plant) 3 of side opening can be processed at the sidepiece of sizing lining, pre-shaping device 1, shaped device 2 and side opening processing unit (plant) 3 set gradually；Shaped device 2 includes mould assembly 21 and the preforming lining being contained in mould assembly 21 can carry out the press 22 being extruded to shape.
Pre-shaping device 1 includes pedestal 11, is provided with driving shaft 111 arranged in parallel and driven shaft 112 on the base 11, and driving shaft 111 connects the drive mechanism that driving shaft 111 can be driven to rotate
13, the drive mechanism 12 that driving shaft 111 can be made to drive driven shaft 112 to rotate it is provided with between driving shaft 111 and driven shaft 112, driving shaft 111 is provided with the first molding wheel body 111a, driven shaft 112 is provided with the second molding wheel body 112a, the first molding wheel body 111a and the second molding wheel body 112a and is disposed adjacent and is formed between the first molding wheel body 111a and the second molding wheel body 112a for making the end of cylindric blank form the forming gap 113 turned edge turned up.
Drive mechanism 12 includes the driving gear 121 being fixed on driving shaft 111 and the driven gear 122 being fixed on driven shaft 112, and driving gear 121 is meshed with driven gear 122；Drive mechanism 13 includes the driving motor 12b being fixed in frame 12a, drives motor 12b to be connected with driving shaft 111 by coupling structure, and pedestal 11 is fixed on frame
On 13a；Pedestal 11 is provided with the spacing that can adjust between driving shaft 111 and driven shaft 112 thus changes the gap adjusting mechanism 4 of the size of described forming gap；Pedestal 11 is provided with the width adjusting mechanism 5 that turns edge being positioned at outside the first molding wheel body 111a and the second molding wheel body 112a.In the present embodiment, coupling structure includes being fixed on driving motor
The first ring flange on 13b output shaft and the second ring flange being fixed on driving shaft 111 one end, the first ring flange and the second ring flange are connected.
Gap adjusting mechanism 4 includes the mounting groove 41 arranged on the base 11, in mounting groove 41, it is provided with adjustment seat 42 and adjustment seat 42 is slidably connected with mounting groove 41, driven shaft 112 is located in adjustment seat 42 and is provided with at least one bearing 43 between driven shaft 112 and adjustment seat 42, the regulation bolt 44 threadeded with pedestal 11 it is equipped with on pedestal 11, one end of regulation bolt 44 is positioned at outside pedestal 11 and is fixed with turning handle 45, and the other end is positioned at pedestal 11 and is rotationally connected with adjustment seat 42.
The width adjusting mechanism that turns edge 5 includes being positioned at baffle plate 51 peripheral for the first molding wheel body 111a and the second molding wheel body 112a and the outer end that turns edge when the molding that turns edge is to required width can contact with baffle plate 51, and baffle plate 51 is connected with the axially displaced structure that baffle plate 51 can be driven to move axially along the first molding wheel body 111a and the second molding wheel body 112a；Axially displaced structure includes the adjustment bolt 52 worn on the base 11, adjust bolt 52 to be arranged in parallel with driving shaft 111 and driven shaft 112 respectively, baffle plate 51 is fixed on the one end adjusting bolt 52, adjusts the other end of bolt 52 and wears on the base 11 and adjust and threaded on bolt 52 have the adjusting nut 53 laying respectively at pedestal 11 inner side and outer side.
Baffle plate 51 is provided with an arc groove 511, and arc groove 511 and the first molding wheel body 111a or the second molding wheel body 112a matched in clearance；Or baffle plate 51 is provided with two arc grooves 511, and one of them arc groove 511 and first molding wheel body 111a matched in clearance, another arc groove 511 and second molding wheel body 112a matched in clearance；The heating arrangements 6 that hot blast can be provided it is provided with to described forming gap region outside baffle plate 51.In the present embodiment, heating arrangements 6 includes blowing hot wind device, is provided with the air outlet of described forming gap region on blowing hot wind device.This blowing hot wind device inserts in centring ring and centring ring is fixing on the securing lever.Being provided with spur on baffle plate 51, described spur is positioned at air outlet.The water conservancy diversion that the hot blast of blowing hot wind device blowout can be carried out by baffle plate 51, enhances the hot blast temperature to workpiece.
Lining mould assembly includes central cylinder 7 cylindrically, there is the bulge loop 71 for the sheathed preforming lining in I shape at the middle part of central cylinder 7, bulge loop 71 periphery is arranged with spliced outer cylinder body 72, and the spacing between spliced outer cylinder body 72 inwall and bulge loop 71 outer wall is not less than preforming insert thickness, central cylinder 7 two ends are cased with end ring 73 respectively, and turning edge of preforming lining is pressed on the end face of bulge loop 71 by end ring 73.
Spliced outer cylinder body 72 includes that some arc sections 721 and each arc section 721 are spliced into spliced outer cylinder body 72 cylindrically, is connected by demountable structure between adjacent arc section 721；Demountable structure includes that the connecting hole 721a, bolt 721b that are located in adjacent two arc section 721 end respectively sequentially pass through two connecting hole 721a and threaded with two connecting hole 721a respectively.
The sidepiece of spliced outer cylinder body 72 has some through hole 72a, end ring 73 has the choke 731 being inserted into central cylinder 7 towards one end of bulge loop 71, the step surface 732 being pressed on bulge loop 71 end face by turning edge is formed between in the middle part of choke 731 and end ring 73, choke 731 outer wall is affixed on central cylinder 7 inwall, and the end face of end ring 73 other end is not less than the end face of central cylinder 7.
nullSide opening processing unit (plant) 3 includes support 31，Support 31 is provided with horizontally disposed location bar 32，It is fixed with at least perforated pins arranged straight up 33 on the bar 32 of location，The top of perforated pins 33 is tapered and perforated pins 33 is connected with location bar 32 by demountable structure，The underface of perforated pins 33 is respectively equipped with one and is positioned at the lift bracket 34 below the bar 32 of location，Lift bracket 34 includes cradle 341，Rhombus expansion bracket 343 is had at cradle 341，The lower link point of rhombus expansion bracket 343 is arranged in mounting seat 342，Cradle 341 is arranged on the upper link point of rhombus expansion bracket 343，The left pin joint of rhombus expansion bracket 343 is provided with left jacketing 342a，Right pin joint is provided with right jacketing 342b，Left jacketing 342a or right jacketing 342b is swivel nut，Piece lift adjustment screw rod 35 sequentially passes through left jacketing 342a and right jacketing 342b and lift adjustment screw rod 35 is threadeded with swivel nut；One end of lift adjustment screw rod 35 is provided with handle 36.Being provided with installing hole on support 31, bar 32 one end, location inserts in installing hole, has the location hole through with installing hole on support 31, and threaded in hole, location have bolt, and the inner top of bolt is pressed on the location bar 32 being positioned at installing hole.
Specific embodiment described herein is only to present invention spirit explanation for example.Described specific embodiment can be made various amendment or supplements or use similar mode to substitute by those skilled in the art, but without departing from the spirit of the present invention or surmount scope defined in appended claims.
nullAlthough the most more employing pre-shaping device 1、Shaped device 2、Side opening processing unit (plant) 3、Mould assembly 21、Press 22、Pedestal 11、Driving shaft 111、Driven shaft 112、Drive mechanism 12、Drive mechanism 13、First molding wheel body 111a、Second molding wheel body 112a、Forming gap 113、Driving gear 121、Driven gear 122、Frame 13a、Drive motor 13b、Gap adjusting mechanism 4、Turn edge width adjusting mechanism 5、Mounting groove 41、Adjustment seat 42、Bearing 43、Regulation bolt 44、Turning handle 45、Baffle plate 51、Adjust bolt 52、Adjusting nut 53、Arc groove 511、Heating arrangements 6、Central cylinder 7、Bulge loop 71、Spliced outer cylinder body 72、End ring 73、Arc section 721、Connecting hole 721a、Bolt 721b、Through hole 72a、Choke 731、Step surface 732、Support 31、Location bar 32、Perforated pins 33、Lift bracket 34、Cradle 341、Mounting seat 342、Rhombus expansion bracket 343、Left jacketing 342a、Right jacketing 342b、Lift adjustment screw rod 35、Handle 36 term such as grade，But it is not precluded from using the probability of other term.Use these terms to be only used to more easily to describe and explain the essence of the present invention；It is all contrary with spirit of the present invention for being construed as any additional restriction.
Claims (10)
1. a high temperature valve seat bush system of processing, it is characterized in that, native system includes making the end of cylindric blank to form turning edge of turning up thus obtains the pre-shaping device (1) of the preforming lining in I shape, can carry out shaping by preforming lining thus obtain the shaped device (2) of sizing lining, and the side opening processing unit (plant) (3) of side opening can be processed at the sidepiece of sizing lining, described pre-shaping device (1), shaped device (2) and side opening processing unit (plant) (3) set gradually；Described shaped device (2) includes mould assembly (21) and the preforming lining being contained in mould assembly (21) can carry out the press (22) being extruded to shape.
nullHigh temperature valve seat bush system of processing the most according to claim 1，It is characterized in that，Described pre-shaping device (1) includes pedestal (11)，Pedestal (11) is provided with driving shaft (111) arranged in parallel and driven shaft (112)，The upper connection of described driving shaft (111) has the drive mechanism (13) that driving shaft (111) can be driven to rotate，It is provided with between described driving shaft (111) and driven shaft (112) and driving shaft (111) can be made to drive the drive mechanism (12) that driven shaft (112) rotates，Described driving shaft (111) is provided with the first molding wheel body (111a)，Described driven shaft (112) is provided with the second molding wheel body (112a)，The first described molding wheel body (111a) and the second molding wheel body (112a) are disposed adjacent and are formed between the first molding wheel body (111a) and the second molding wheel body (112a) for making the end of cylindric blank form the forming gap (113) turned edge turned up.
High temperature valve seat bush system of processing the most according to claim 2, it is characterized in that, described drive mechanism (12) includes the driving gear (121) being fixed on driving shaft (111) and the driven gear (122) being fixed on driven shaft (112), and described driving gear (121) is meshed with driven gear (122)；Described drive mechanism (13) includes the driving motor (13b) being fixed in frame (13a), described driving motor (13b) is connected with driving shaft (111) by coupling structure, and described pedestal (11) is fixed in frame (13a)；Described pedestal (11) is provided with the spacing that can adjust between driving shaft (111) and driven shaft (112) thus changes the gap adjusting mechanism (4) of the size of described forming gap；Described pedestal (11) is provided with and is positioned at the first molding wheel body (111a) and the width adjusting mechanism that turns edge (5) in the second molding wheel body (112a) outside.
High temperature valve seat bush system of processing the most according to claim 3, it is characterized in that, described gap adjusting mechanism (4) includes the mounting groove (41) being arranged on pedestal (11), in mounting groove (41), it is provided with adjustment seat (42) and adjustment seat (42) is slidably connected with mounting groove (41), described driven shaft (112) is located in adjustment seat (42) and above and is provided with at least one bearing (43) between driven shaft (112) and adjustment seat (42), the regulation bolt (44) threadeded with pedestal (11) it is equipped with on described pedestal (11), one end of described regulation bolt (44) is positioned at pedestal (11) and outward and is fixed with turning handle (45), the other end is positioned at pedestal (11) and is rotationally connected with adjustment seat (42).
High temperature valve seat bush system of processing the most according to claim 3, it is characterized in that, the described width adjusting mechanism that turns edge (5) includes being positioned at the first molding wheel body (111a) baffle plate (51) peripheral with the second molding wheel body (112a) and the outer end that turns edge when the molding that turns edge is to required width can contact with baffle plate (51), and described baffle plate (51) is connected with the axially displaced structure that baffle plate (51) can be driven to move axially along the first molding wheel body (111a) and the second molding wheel body (112a)；Described axially displaced structure includes the adjustment bolt (52) being located on pedestal (11), described adjustment bolt (52) be arranged in parallel with driving shaft (111) and driven shaft (112) respectively, described baffle plate (51) is fixed on the one end adjusting bolt (52), and adjusting the other end of bolt (52), to be located in pedestal (11) upper and adjust that bolt (52) is upper the most threaded has the adjusting nut (53) laying respectively at pedestal (11) inner side and outer side.
High temperature valve seat bush system of processing the most according to claim 5, it is characterized in that, described baffle plate (51) is provided with an arc groove (511), and arc groove (511) and the first molding wheel body (111a) or the second molding wheel body (112a) matched in clearance；Or described baffle plate (51) is provided with two arc grooves (511), and one of them arc groove (511) and the first molding wheel body (111a) matched in clearance, another arc groove (511) and the second molding wheel body (112a) matched in clearance；Described baffle plate (51) outside is provided with the heating arrangements (6) that can provide hot blast to described forming gap region.
7. according to the high temperature valve seat bush system of processing described in any one in claim 1-6, it is characterized in that, described lining mould assembly includes central cylinder (7) cylindrically, there is the bulge loop (71) for the sheathed preforming lining in I shape at the middle part of central cylinder (7), described bulge loop (71) periphery is arranged with spliced outer cylinder body (72), and the spacing between spliced outer cylinder body (72) inwall and bulge loop (71) outer wall is not less than preforming insert thickness, described central cylinder (7) two ends are cased with end ring (73) respectively, and turning edge of preforming lining is pressed on the end face of bulge loop (71) by end ring (73).
High temperature valve seat bush system of processing the most according to claim 7, it is characterized in that, described spliced outer cylinder body (72) includes that some arc sections (721) and each arc section (721) are spliced into spliced outer cylinder body (72) cylindrically, is connected by demountable structure between adjacent arc section (721)；Described demountable structure includes the connecting hole (721a) being located in adjacent two arc section (721) end respectively, and bolt (721b) sequentially passes through two connecting holes (721a) and threadeds with two connecting holes (721a) respectively.
High temperature valve seat bush system of processing the most according to claim 8, it is characterized in that, the sidepiece of described spliced outer cylinder body (72) has some through holes (72a), described end ring (73) has the choke (731) being inserted into central cylinder (7) towards one end of bulge loop (71), formed to turn edge between described choke (731) and end ring (73) middle part and be pressed on the step surface (732) of bulge loop (71) end face, described choke (731) outer wall is affixed on central cylinder (7) inwall, the end face of described end ring (73) other end is not less than the end face of central cylinder (7).
nullHigh temperature valve seat bush system of processing the most according to claim 8，It is characterized in that，Described side opening processing unit (plant) (3) includes support (31)，Support (31) is provided with horizontally disposed location bar (32)，At least perforated pins arranged straight up (33) it is fixed with on described location bar (32)，The top of described perforated pins (33) is tapered and perforated pins (33) is connected with location bar (32) by demountable structure，The underface of described perforated pins (33) is respectively equipped with a lift bracket (34) being positioned at lower section, location bar (32)，Described lift bracket (34) includes cradle (341)，Rhombus expansion bracket (343) is had at cradle (341)，The lower link point of described rhombus expansion bracket (343) is arranged in mounting seat (342)，Described cradle (341) is arranged on the upper link point of rhombus expansion bracket (343)，The left pin joint of rhombus expansion bracket (343) is provided with left jacketing (342a)，Right pin joint is provided with right jacketing (342b)，Described left jacketing (342a) or right jacketing (342b) are swivel nut，Piece lift adjustment screw rod (35) sequentially passes through left jacketing (342a) and right jacketing (342b) and lift adjustment screw rod (35) is threadeded with swivel nut；One end of described lift adjustment screw rod (35) is provided with handle (36).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410256613.1A CN104029404B (en) | 2014-06-10 | 2014-06-10 | High temperature valve seat bush system of processing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410256613.1A CN104029404B (en) | 2014-06-10 | 2014-06-10 | High temperature valve seat bush system of processing |
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| CN104029404A CN104029404A (en) | 2014-09-10 |
| CN104029404B true CN104029404B (en) | 2016-09-28 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101842212A (en) * | 2007-08-28 | 2010-09-22 | 马斯特模具（2007）有限公司 | Injection molding apparatus having a valve pin bushing |
| CN203957375U (en) * | 2014-06-10 | 2014-11-26 | 德清三盛氟塑科技有限公司 | High-temperature valve seat pad cover system of processing |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2520802B2 (en) * | 1991-08-13 | 1996-07-31 | 宇部興産株式会社 | Plate forming method and apparatus |
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2014
- 2014-06-10 CN CN201410256613.1A patent/CN104029404B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101842212A (en) * | 2007-08-28 | 2010-09-22 | 马斯特模具（2007）有限公司 | Injection molding apparatus having a valve pin bushing |
| CN203957375U (en) * | 2014-06-10 | 2014-11-26 | 德清三盛氟塑科技有限公司 | High-temperature valve seat pad cover system of processing |
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| CN104029404A (en) | 2014-09-10 |
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