CN101315136A - Rotor center body, rotor feed screw for electric valve and production method for the rotor - Google Patents
Rotor center body, rotor feed screw for electric valve and production method for the rotor Download PDFInfo
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- CN101315136A CN101315136A CNA2008100887147A CN200810088714A CN101315136A CN 101315136 A CN101315136 A CN 101315136A CN A2008100887147 A CNA2008100887147 A CN A2008100887147A CN 200810088714 A CN200810088714 A CN 200810088714A CN 101315136 A CN101315136 A CN 101315136A
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- rotor
- valve
- positioning part
- mould device
- lining
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/029—Electromagnetically actuated valves
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0655—Lift valves
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/08—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid using a permanent magnet
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/16—Rectilinearly-movable armatures
Abstract
A method of producing a rotor center part for electric valves, rotor feed screw and a rotor; an open and closed mould device (23) is used for dividing the forming die cavity (28) of the sleeve (14); the mould device (23) is provided with a forming recess (24a) for closing valve limiting block (14a) and a first locating part (27a) corresponding to the position of the forming recess (24a); the lining (11) is provided with a second locating part (11c) so that when the second locating part (11c) anastomoses with the first locating part (27a), the second locating part (11c) is corresponding to the screw cutting top part (11b) of the negative thread (11a) and the position of the forming recess 24a of the closing valve limiting block (14a), thereby installing the second locating part (11c) and the first locating part (27a) on the mould device (23); after closing the mould device (23), injecting the melting resin in the die cavity (28) to produce the rotor center part (19). By the same means, the rotor feed screw (20) and the rotor (40) are produced. Adopting the invention is able to improve the producing procedure of the rotor center part for electric valves, rotor feed screw and a rotor and reduce the producing cost of the electric valve.
Description
Technical field
The present invention relates to be configured in the rotor center part of the rotor center portion of mortor operated valve, screw with rotor and make the rotor feed screw that this rotor moves and the manufacture method of this rotor, this mortor operated valve is used in the flow control of the fluids such as refrigeration agent in the refrigerating circulation system and has the rotation that utilizes rotor and carries out the spool that straight line moves.
Background technique
In the past, as said electric valve, for example, in patent documentation 1, proposed following mortor operated valve 50, as shown in Figure 6, this mortor operated valve 50 comprises: valve body 55, this valve body 55 has the 1st stream 52 and the 2nd stream 53 that is communicated with valve chamber 51, and is provided with valve base piece 54 on the valve chamber throughput of the 2nd stream 53; With valve seat 56 contacts of valve body 55, the bar-shaped needle-valve 57 that separates; Closed shell 59 cylindraceous; Be configured in the stator coil 67 in the outside of closed shell 59; Rotor 64, this rotor 64 can open and close at valve by the energising excitation generation rotation of stator coil 67 in the inboard of closed shell 59 and move on the direction, and the tubular permanent magnet 63 that has cylindrical sleeve 62 and be fixed on the outside of this sleeve 62 by stop ring 66; And under the screw thread feeding effect of the rotation that utilizes rotor 64, making needle-valve 57 carry out the male threaded pipe 61 of on-off action, the lower cover 60 of the closed shell 59 of this mortor operated valve 50 is weldingly fixed on the valve body 55.
In this mortor operated valve 50, shown in Fig. 6 and Fig. 7 (b), be equipped with in the underpart of sleeve 62 and close valve limit stop 62a, shown in Fig. 6 and Fig. 8 (b), on body flange 58, be equipped with full cut-off block 58a, when needle-valve 57 closes valve, close valve limit stop 62a by as described in Figure 6 like that with full cut-off block 58a butt, when closing valve rotor 64 further declines limit.
When carrying out the decline restriction of above-mentioned rotor 64, with the integral multiple of setting the pitch of female thread 68a from the lower end of lining 68 to the size h4 of the lower end of closing valve limit stop 62a for shown in Fig. 7 (b), and with shown in Fig. 8 (b) from the upper end of male threaded pipe 61 to integral multiple+pitch/2 that the size h5 of the upper end of full cut-off block 58a sets the pitch of external screw thread 61a for, the butt amount of closing valve limit stop 62a and full cut-off block 58a is adjusted to thread pitch/2.
No. 3310042 communique of [patent documentation 1] Japan Patent
In the past, the rotor center part 69 that disposes on rotor 64 central parts to said electric valve 50 (as shown in Figure 6, structure with sleeve 62 and lining 68 cooperations) when making, as shown in Figure 7, used the mould device to be opened/closed 71 that the shaping die cavity 73 of sleeve 62 delimited.On the counterdie 72 of this mould device 71, be provided with the shaping recess 72a that closes valve limit stop 62a and in the central part upper shed of shaping die cavity 73, has the pin mounting hole 72c of key raised line 72b interior week, engaging by key raised line 72b and keyway 74a (being arranged on the lower end peripheral part of setting pin 74), the setting pin 74 of screw-in being fixed lining 68 is positioned among the pin mounting hole 72c of this counterdie 72, so that sleeve 62 becomes state as Fig. 7 (c) (make the thread cutting top 68b of portion of female thread 68a of lining 68 corresponding with the shaping recess 72a position of closing valve limit stop 62a) after being shaped, and, and the inner bottom surface of the pin stepped part 74b of the bottom surface 68c butt of lining 68 and block shaping recess 72a between, after having kept being the given size h4 of pitch integral multiple of female thread 68a of lining 68, close die device 71.Then, melting resin is injected in the encapsulation molding die cavity 73, produced lining 68 and sleeve 62 and be rotor center part 69 one, shown in Fig. 7 (b), (c).
And, as shown in Figure 8, used the mould device 80 that the shaping die cavity 82 of body flange 58 delimited similarly for rotor feed screw 70.On the counterdie 81 of this mould device 80, be provided with the shaping recess 81a of valve full cut-off block 58a and carry out opening at the central part of shaping die cavity 82, the lining mounting hole 81c that has key raised line 81b at inner bottom surface, engaging by key raised line 81b and keyway 83a (being arranged on the underpart of setting lining 83), to screw in the setting lining 83 that bottom tube-like is arranged that is fixed with male threaded pipe 61 in the inboard is positioned among the lining mounting hole 81c of this counterdie 81, so that the thread cutting top 61b of portion of external screw thread 61a is corresponding with block shaping recess 81a position, and the cardinal extremity assembly department 61c that is mounted to male threaded pipe 61 shown in Fig. 8 (a) like that is projected into the state of the top of counterdie 81.Then, close die device 80 is injected melting resin in the encapsulation molding die cavity 82, produce male threaded pipe 61 and body flange 58 be one, the rotor feed screw 70 shown in Fig. 8 (b), (c).
As mentioned above, in the past when making rotor center part 69 and rotor feed screw 70, there are the following problems: must prepare to set pin 74 and set lining 83, with these and lining 68 and male threaded pipe 61 integrated after, use mould device 71 and mould device 80 to carry out ester moulding, so the manufacturing of rotor center part 69 and the rotor feed screw 70 cost time, and the manufacture cost of mortor operated valve 50 increases.
Summary of the invention
The present invention makes in view of the problem of above-mentioned technology in the past, purpose provides a kind of mortor operated valve manufacture method with rotor center part, rotor feed screw and rotor, can improve rotor center part, rotor feed screw and rotor that mortor operated valve uses manufacturing process, can reduce the manufacture cost of mortor operated valve.
In order to reach above-mentioned purpose, the present invention is the manufacture method of a kind of mortor operated valve with rotor center part, this rotor center part is configured in this rotor center portion of mortor operated valve, this mortor operated valve has the rotation that utilizes motor rotor and carries out the spool that straight line moves, this mortor operated valve comprises with rotor center part: integral body is by the sleeve of the tubular of forming synthetic resin, this sleeve have when full cut-off, limit this rotor closing be moved further usefulness on the valve direction close the valve limit stop, and has female thread in interior week, be fixed on the lining on the interior perimembranous of described sleeve integratedly, it is characterized in that, the mould device to be opened/closed that use delimited the shaping die cavity of described sleeve, in this mould device, be provided with the described shaping recess of valve limit stop and first positioning part corresponding closed with this shaping recess location, on described lining, be provided with second positioning part, so that when coincideing in itself and described first positioning part, corresponding with the thread cutting top portion of described female thread and described shaping recess location of closing the valve limit stop, this second positioning part and described first positioning part are installed in described lining on the described mould device with coincideing, behind the closed described mould device, described die cavity is injected in the melting resin injection make rotor center part.
And, according to the present invention, on described lining, be formed with simultaneously female thread thread cutting top portion and with this second corresponding positioning part of thread cutting top portion position, after making first positioning part of mould device and described second positioning part be installed in this lining on the mould device with coincideing, but close die device, injection is injected melting resin and is made rotor center part, set pin so needn't use as in the past, can carry out ester moulding and easily make rotor center part by lining and mould device.
In the manufacture method of the rotor center part that described mortor operated valve is used, protuberance or stepped part can be made in described first positioning part, with described second positioning part make the keyway that engages with described protuberance or with described stepped part butt, see from the axial direction of this rotor center part and to be the cut notch of D word shape.Thus, can form first positioning part and second positioning part simply.
And, the present invention is the manufacture method of a kind of mortor operated valve with the rotor feed screw, this rotor of this rotor feed screw and mortor operated valve screws, this mortor operated valve has the rotation that utilizes motor rotor and carries out the spool that straight line moves, this mortor operated valve comprises with the rotor feed screw: have external screw thread in periphery, has male threaded pipe with respect to the assembly department of valve body in the end, and the plastic body flange that is fixed on the periphery of described male threaded pipe integratedly, this body flange has and limits this rotor closing the valve full cut-off block that is moved further usefulness on the valve direction when full cut-off, it is characterized in that, the mould device to be opened/closed that use delimited the shaping mold cavity of described body flange, on this mould device, be provided with the moulding recess of described valve full cut-off block and first positioning part corresponding with this shaping recess location, on described male threaded pipe, be provided with second positioning part, so that when coincideing in itself and described first positioning part, corresponding with the shaping recess location of the screw thread feeding top portion of described external screw thread and described valve full cut-off block, this second positioning part and described first positioning part are installed in described male threaded pipe on the described mould device with coincideing, behind the closed described mould device, described die cavity is injected in the melting resin injection make the rotor feed screw.
And, according to the present invention, on described male threaded pipe, be formed with simultaneously external screw thread thread cutting top portion and with this second corresponding positioning part of thread cutting top portion position, after making first positioning part of mould device and described second positioning part be installed in this male threaded pipe on the mould device with coincideing, but close die device, injection is injected melting resin and is made the rotor feed screw, so needn't use the setting lining as in the past, can carry out ester moulding and easily make the rotor feed screw by male threaded pipe and mould device.
In the manufacture method of described mortor operated valve with the rotor feed screw, protuberance or stepped part can be made in described first positioning part, with described second positioning part make the keyway that engages with described protuberance or with described stepped part butt, see from the axial direction of this rotor feed screw and to be the cut notch of D word shape.Thus, can form first positioning part and second positioning part simply.
And, the present invention is the manufacture method of mortor operated valve with rotor, this rotor is to have the rotor that the mortor operated valve of the spool that straight line moves is carried out in the rotation that utilizes motor rotor, this mortor operated valve comprises with rotor: whole tubular rotor subject by forming synthetic resin, this rotor subject have limit further when full cut-off that this rotor closing mobile usefulness on the valve direction close the valve limit stop, and interior week has female thread, be fixed on the lining of the interior perimembranous of described rotor subject integratedly, it is characterized in that, the mould device to be opened/closed that use delimited the shaping mold cavity of described rotor subject, on this mould device, be provided with the described moulding recess of valve limit stop and first positioning part corresponding closed with this shaping recess location, on described sleeve, be provided with second positioning part, so that when coincideing in itself and described first positioning part, corresponding with the thread cutting top portion of described female thread and described shaping recess location of closing the valve limit stop, this second positioning part and described first positioning part are installed in described sleeve on the described mould device with coincideing, behind the closed described mould device, described die cavity is injected in the melting resin injection make rotor.
And, according to the present invention, on described lining, form simultaneously female thread thread cutting top portion and with this second corresponding positioning part of thread cutting top portion position, first positioning part of mould device and described second positioning part are coincide after is installed in mould device with this lining, but close die device, injection is injected the melting resin that contains magnetic iron powder and is made rotor, set pin etc. so needn't use as in the past, can carry out ester moulding and easily make rotor by lining and mould device.
Use in the manufacture method of rotor at above-mentioned mortor operated valve, protuberance or stepped part can be made in described first positioning part, with described second positioning part make the keyway that engages with described protuberance or with described stepped part butt, see from the axial direction of this rotor and to be the cut notch of D word shape.Thus, can form first positioning part and second positioning part simply.
As mentioned above, adopt the present invention, can simplify the manufacturing process of mortor operated valve, reduce the manufacture cost of mortor operated valve with rotor center part, rotor feed screw and rotor.
Description of drawings
Fig. 1 represents to be equipped with the whole sectional view of an example of the mortor operated valve of the rotor center part of method manufacturing of the present invention and rotor feed screw.
The rotor center part that employed mould device and lining and the present invention manufactured when Fig. 2 represented to implement the manufacture method of rotor center part of the present invention, (a) being the whole sectional view of representing lining is positioned the state of mould device, (b)-(d) is respectively plan view, whole sectional view, the worm's eye view of the rotor center part behind the sleeve forming.
The rotor feed screw that employed mould device and male threaded pipe and the present invention manufactured when Fig. 3 represented to implement the manufacture method of rotor feed screw of the present invention is that expression is respectively the plan view of the rotor feed screw after the body flange moulding, whole sectional view, worm's eye view with whole sectional view, (b)-(d) that male threaded pipe is positioned the state of mould device (a).
When Fig. 4 represents to implement the manufacture method of rotor of the present invention the just rotor that manufactures of the mould device of usefulness and lining and the present invention, (a) being the whole sectional view of representing lining is positioned the state of mould device, (b)-(d) is respectively plan view, whole sectional view, the worm's eye view of the rotor after the rotor subject moulding.
Fig. 5 is illustrated in the manufacture method of rotor center part of the present invention etc. the stereogram that employed keyway in the location to mould and D to lining etc. dissect portion.
Fig. 6 is a whole sectional view of representing an example of mortor operated valve in the past.
Fig. 7 be used for explanatory drawing 6 mortor operated valve rotor center part with and the figure of manufacture method, (a) be the sectional view that is used to illustrate manufacture method, (b) be the sectional view of representing the rotor center part made, (c) be the worm's eye view of (b).
Fig. 8 be used for explanatory drawing 6 mortor operated valve the rotor feed screw with and the figure of manufacture method, (a) be the sectional view that is used to illustrate manufacture method, (b) representing that the rotor feed screw that will make is installed in the sectional view of the state on the valve body, (c) is the plan view of the rotor feed screw shown in (b).
Embodiment
Fig. 1 represents to be equipped with an example of the mortor operated valve of the rotor center part of method manufacturing of the present invention and rotor feed screw, this mortor operated valve 1 has and above-mentioned mortor operated valve 50 cardinal principle identical construction in the past, this mortor operated valve 1 comprises: valve body 6, this valve body 6 has the 1st stream 3 and the 2nd stream 4 that is communicated with valve chamber 2, valve base piece 5 is arranged on the valve chamber interconnecting part of the 2nd stream 4, contact with the valve seat 7 of valve body 6, the bar-shaped needle-valve 8 that separates, closed shell 9 cylindraceous, be configured in the not shown stator coil in closed shell 9 outsides, be rotated by the energising excitation of stator coil in closed shell 9 inboards and can open and close the rotor 15 that direction moves along valve, and the screw thread feeding effect that utilizes the rotation generation of rotor 15, make needle-valve 8 make male threaded pipe 16 of on-off action etc., the lower cover 17 of the closed shell 9 of this mortor operated valve 1 is weldingly fixed on the valve body 6.Rotor 15 comprises: the lining 11 of tubular, be fixed on by stop ring 12 lining 11 the outside tubular permanent magnet 13, be installed in the sleeve cylindraceous 14 between lining 11 and the permanent magnet 13.
In this mortor operated valve 1, shown in Fig. 1 and Fig. 2 (c), be equipped with in the underpart of sleeve 14 and close valve limit stop 14a, shown in Fig. 1 and Fig. 3 (c), with male threaded pipe 16 all-in-one-piece body flanges 21 on be equipped with full cut-off block 21a, when needle-valve 8 closes valve, by close valve limit stop 14a as shown in Figure 1 with full cut-off block 21a butt, rotor 15 further descends and limits when closing valve.
When limiting the decline of above-mentioned rotor 15, for example, to set the integral multiple of the pitch of female thread 11a for to the size h1 of the lower end of closing valve limit stop 14a from the bottom surface 11d of lining 11 shown in Fig. 2 (c), with shown in Fig. 3 (b) from the upper end of male threaded pipe 16 to integral multiple+pitch/2 that the size h2 of the upper end of full cut-off block 21a sets the pitch of external screw thread 16a for, the butt amount of closing valve limit stop 14a and full cut-off block 21a is adjusted to thread pitch/2.
Then, with reference to Fig. 1 and Fig. 2, the manufacture method of the rotor center part 19 of said electric valve 1 is described.
Fig. 2 (a) expression is used to make the mould device 23 of rotor center part 19, and Fig. 2 (b)-(d) expression is used mould device 23 and the rotor center part 19 of manufacturing.This mould device 23 comprises: patrix 24, have the counterdie 27 of the placement section 27b that sets lining 11 usefulness and the block moulding recess 24a that is formed with the shaping die cavity 28 of the sleeve 14 shown in Fig. 2 (c) and closes valve limit stop 14a.On counterdie 27, be equipped with the key raised line 27a that engages with the keyway 11c of lining 11.And it is h1 that the set positions of the top surface of block moulding recess 24a is become the distance from the upper surface 11f of lining 11.
Then, the establishing method to the position of the block moulding recess 24a that forms on the key raised line 27a that forms on the processing method of lining 11 and the counterdie 27 and the patrix 24 describes.
Shown in Fig. 2 (c), (d), at rotor center part 19 completed states, on the thread cutting top 11b of portion of the female thread 11a of the lining 11 straight line O identical, and the size between the lower end of closing valve limit stop 14a of the bottom surface 11d of lining 11 and sleeve 14 must be constituted above-mentioned h1 at this state with closing being centered close to of valve limit stop 14a.
So, on lining 11, the keyway 11c that engage with the key raised line 27a that forms on the counterdie 27 of mould device 23 is processed, accordingly the thread cutting top 11b of portion of female thread 11a is carried out thread cutting with this keyway 11c position simultaneously and process.At this, shown in Fig. 2 (b)-(d), make the center line of keyway 11c and the thread cutting top 11b of portion be positioned at same straight line O and upward implement thread cutting processing.
On the other hand, on patrix 24, the position of block moulding recess 24a is set, so that rotor center part 19 is the state shown in Fig. 2 (b)-(d) after sleeve 14 is shaped.Promptly, as mentioned above, make center line and the thread cutting top 11b of portion of keyway 11c be positioned at thread cutting processing has been implemented on same straight line O ground at lining 11 occasion, when the mould 23 seen from the top shown in Fig. 2 (a), the center line of the key raised line 24a of patrix 24 overlaps with the center of block moulding recess 24a.
The lining 11 that processes like that more than can using, mould device 23, the keyway 11c of lining 11 is engaged with the key raised line 27a of counterdie 27, lining 11 is placed on the placement section 27b of counterdie 27, close die device 23, melting resin is injected encapsulation molding die cavity 28, can produce lining 11 and sleeve 14 be one, the rotor center part 19 shown in Fig. 2 (b)-(d).
Then, with reference to Fig. 1 and Fig. 3, the manufacture method of the rotor feed screw 20 of said electric valve 1 is described.
Fig. 3 (a) expression is used to make the mould device 30 of rotor feed screw 20, and Fig. 3 (b)-(d) expression is used mould device 30 and the rotor feed screw 20 that produces.This mould device 30 comprises: patrix 31 and counterdie 32 with the placement section 32b that places male threaded pipe 16 usefulness, and be formed with the shaping die cavity 34 of the body flange 21 shown in Fig. 3 (c) and the block moulding recess 31a of full cut-off block 21a.On counterdie 32, be equipped with the key raised line 32a that engages with the keyway 16c of male threaded pipe 16.And when male threaded pipe 16 was placed on the placement section 32b of counterdie 32, it was h2 that the set positions of the top surface of block moulding recess 31a is become the distance from the topmost part of male threaded pipe 16.
Then, the establishing method to the position of the block moulding recess 31a that forms on the key raised line 32a that forms on the processing method of male threaded pipe 16, the counterdie 32 and the patrix 31 describes.
Shown in Fig. 3 (b), (c), at rotor feed screw 20 completed states, the thread cutting top 16b of portion of the external screw thread 16a of male threaded pipe 16 and full cut-off block 21a are centered close on the same straight line O, and under this state, the size between the upper end of the full cut-off block 21a of the upper end of male threaded pipe 16 and body flange 21 must constitute above-mentioned h2.
Then, on male threaded pipe 16, the keyway 16c that engages with formed key raised line 32a on the counterdie 32 of mould device 30 is processed, simultaneously, accordingly the thread cutting top 16b of portion of external screw thread 16a is carried out thread cutting processing with this keyway 16c position.At this, shown in Fig. 3 (b)-(d), make the center line of keyway 16c and the thread cutting top 16b of portion be positioned at the enforcement thread cutting processing of same straight line O ground.
On the other hand, on mould device 30, become the body flange 21 back rotor feed screws 20 that are shaped to be the state shown in Fig. 3 (b)-(d) set positions of key raised line 32 and block moulding recess 31a.Promptly, as mentioned above, be positioned at thread cutting processing has been implemented on same straight line O ground to male threaded pipe 16 occasion at center line that makes keyway 16c and the thread cutting top 16b of portion, when seeing the mould device 30 shown in Fig. 3 (a) from the top, the center of the center line of the key raised line 32a of counterdie 32 and block moulding recess 31a overlaps.
Can use above male threaded pipe 16 and the mould device of having processed like that 30, the keyway 16c of male threaded pipe 16 is placed on male threaded pipe 16 on the placement section 32b of counterdie 32 with the key raised line 32a of counterdie 32 with engaging, close die device 30, to dissolve in the resin injection encapsulation molding die cavity 34, and male threaded pipe 16 and body flange 21 will be rotor feed screw 20 one, shown in Fig. 3 (b)-(d) make.
Then, as other examples of the present invention, the manufacture method of the rotor of mortor operated valve is described with reference to Fig. 4.The rotor 40 of this example manufacturing has the valve of closing limit stop 41a, and employed lining 11 combines in the time of will making with integrally formed tubular rotor subject 41 of the resin material of sneaking into magnetic iron powder and above-mentioned rotor center part 19.And the global shape of rotor subject 41 is equivalent to shape that permanent magnet shown in Figure 1 13 and sleeve 14 are made up.
Fig. 4 (a) expression is used to make the mould device 43 of rotor of the present invention, and the rotor 40 of mould device 43 manufacturings is used in Fig. 4 (b)～(d) expression.This mould device 43 comprises: patrix 44 and counterdie 47 with the placement section 47b that sets lining 11 usefulness, and form the shaping die cavity 48 of the rotor subject 41 shown in Fig. 4 (c) and the block moulding recess 44a that closes valve limit stop 41a.And, on counterdie 47, be equipped with the key raised line 47a that engages with the keyway 11c of lining 11.And, the set positions of the top surface of block moulding recess 44a is become to the upper surface 11f of lining 11 to be of a size of h3.
Then, the establishing method to the position of formed block moulding recess 44a on formed key raised line 47a and the patrix 44 on the processing method of lining 11, the counterdie 47 describes.
Shown in Fig. 4 (c), (d), at rotor 40 completed states, the thread cutting top 11b of portion of the female thread 11a of lining 11 and closing on the same straight line O of being centered close to of valve limit stop 41a, and, at this state, the size between the bottom surface 11d of lining 11 and the lower end of closing valve limit stop 41a of rotor subject 41 must constitute above-mentioned h3.
Then, on lining 11, the keyway 11c that engages with formed key raised line 47a on the counterdie 47 of mould device 43 is processed, simultaneously, accordingly the thread cutting top 11b of portion of female thread 11a is carried out thread cutting processing with this keyway 11c position.At this, shown in Fig. 4 (b)-(d), make the center line of keyway 11c and the thread cutting top 11b of portion be positioned at same straight line O and upward implement thread cutting processing.
On the other hand, in mould device 43, become the rotor subject 41 back rotors 40 that are shaped to be the state shown in Fig. 4 (b)-(d) set positions of key raised line 47a and block moulding recess 44a.Promptly, as mentioned above, lining 11 is implemented the occasion of thread cuttings processing at the center line that makes keyway 11c and the thread cutting top 11b of portion with being positioned on the same straight line O, when the mould device 43 seen from the top shown in Fig. 4 (a), the center line of key raised line 47a of counterdie 47 and the center of block moulding recess 44a are overlapped.
Use the lining 11 and the mould device 43 that as above process like that, the keyway 11c of lining 11 is placed on lining 11 on the placement section 47b of patrix 44 with the key raised line 47a of counterdie 47 with engaging, close die device 43, will sneak into the melting resin injection encapsulation molding die cavity 48 of magnetic iron powder, can produce lining 11 and rotor subject 41 be one, the rotor 40 shown in Fig. 4 (b)-(d).
And, in above-mentioned example, for lining 11 grades are positioned on the mould, form the keyway 11c shown in Fig. 5 (a), it is engaged with the prominent key raised line of establishing (the reference marks 27a of Fig. 2 etc.) on the mould, also can form the D notch shown in Fig. 5 (b) (seeing the notch that is cut into D word shape) 11e,, can make other orientable different shapes with the stepped part butt that forms on the corresponding mould from the axial direction of lining 11 grades.
And, in above-mentioned example, for example, in Fig. 2, constitute center line, the thread cutting top 11b of portion of the keyway 11c of lining 11 and close on the same straight line O of being centered close to of valve limit stop 14a, but their position relation is not limited on the same straight line O, and energy position correspondence is fastened in the pass between the key raised line 24a that needs only at counterdie 27 and the block moulding recess 27b of patrix 24, can form various position relations.
Claims (6)
1. a motor-driven valve is with the manufacture method of rotor center part; This rotor center part is configured in this rotor center section of motor-driven valve; This motor-driven valve has the rotation that utilizes motor rotor and the spool that carries out traveling priority; This motor-driven valve comprises with rotor center part: integral body is by the sleeve of the tubular of forming synthetic resin; This sleeve has and limits this rotor close the valve limit stop what close that the valve direction is moved further usefulness when full cut-off; And have negative thread interior week, be fixed on lining on the interior perimembranous of described sleeve integratedly; It is characterized in that
The mould device to be opened/closed that use delimited the shaping mold cavity of described sleeve,
In this mould device, the described shaping recess of valve limit stop and first positioning part corresponding with this shaping recess location closed is set,
Second positioning part is set on described lining, and makes when coincideing in itself and described first positioning part, the thread cutting top portion of described female thread is corresponding with described shaping recess location of closing the valve limit stop,
This second positioning part and described first positioning part are installed in described lining on the described mould device with coincideing,
Behind the closed described mould device, described die cavity is injected in the melting resin injection make rotor center part.
2. the mortor operated valve as claimed in claim 1 manufacture method of rotor center part, it is characterized in that, described first positioning part is protuberance or stepped part, described second positioning part for the keyway that engage with described protuberance or be with described stepped part butt, see the cut notch that is D word shape from the axial direction of this rotor center part.
3. a motor-driven valve is with the manufacture method of rotor feed screw; This rotor of this rotor feed screw and motor-driven valve screws; This motor-driven valve has the spool that traveling priority is carried out in the rotation that utilizes motor rotor; This motor-driven valve comprises with the rotor feed screw: have pin thread in periphery, have the male threaded pipe with respect to the installation portion of valve body in the end; And the plastic body flange that is fixed on integratedly described male threaded pipe periphery; This body flange has and limits this rotor closing the valve direction and be moved further the valve full cut-off block of usefulness when full cut-off; It is characterized in that
The mould device to be opened/closed that use delimited the shaping mold cavity of described body flange,
On this mould device, the moulding recess of described valve full cut-off block and first positioning part corresponding with this shaping recess location are set,
Second positioning part is set on described male threaded pipe, and makes that the screw thread feeding top portion of described external screw thread is corresponding with the shaping recess location of described valve full cut-off block when coincideing in itself and described first positioning part,
This second positioning part and described first positioning part are installed in described male threaded pipe on the described mould device with coincideing,
Behind the closed described mould device, described die cavity is injected in the melting resin injection make the rotor feed screw.
4. the mortor operated valve as claimed in claim 3 manufacture method of rotor feed screw, it is characterized in that, described first positioning part is protuberance or stepped part, described second positioning part for the keyway that engage with described protuberance or be with described stepped part butt, see the cut notch that is D word shape from the axial direction of this male threaded pipe.
5. a mortor operated valve is with the manufacture method of rotor, described mortor operated valve has the rotation that utilizes motor rotor and carries out the spool that straight line moves, this mortor operated valve comprises with rotor: integral body is by the rotor subject of the tubular of forming synthetic resin, this rotor subject has and limits this rotor close the valve limit stop what close that the valve direction is moved further usefulness when full cut-off, and have female thread interior week, be fixed on the lining of the interior perimembranous of described rotor subject integratedly, it is characterized in that
The mould device to be opened/closed that use delimited the shaping mold cavity of described rotor subject,
On this mould device, the described moulding recess of valve limit stop and first positioning part corresponding with this shaping recess location closed is set,
Second positioning part is set on described lining, and makes when coincideing in itself and described first positioning part, the thread cutting top portion of described female thread is corresponding with described shaping recess location of closing the valve limit stop,
This second positioning part and described first positioning part are installed in described lining on the described mould device with coincideing,
Behind the closed described mould device, described die cavity is injected in the melting resin injection make rotor.
6. the mortor operated valve as claimed in claim 5 manufacture method of rotor, it is characterized in that, described first positioning part is protuberance or stepped part, described second positioning part for the keyway that engage with described protuberance or be with described stepped part butt, see the cut notch that is D word shape from the axial direction of this rotor.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007140995A JP5060171B2 (en) | 2007-05-28 | 2007-05-28 | Rotor central body for motor-operated valve, rotor feed screw and rotor manufacturing method |
| JP2007140995 | 2007-05-28 | ||
| JP2007-140995 | 2007-05-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101315136A true CN101315136A (en) | 2008-12-03 |
| CN101315136B CN101315136B (en) | 2012-03-07 |
Family
ID=40106241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100887147A Ceased CN101315136B (en) | 2007-05-28 | 2008-04-30 | Rotor center body, rotor feed screw for electric valve and production method for the rotor |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5060171B2 (en) |
| KR (1) | KR101483300B1 (en) |
| CN (1) | CN101315136B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102297189A (en) * | 2010-06-25 | 2011-12-28 | 株式会社不二工机 | Female screw member, motor operated valve using same, and method for producing female screw member for motor operated valve |
| CN103144243A (en) * | 2011-12-07 | 2013-06-12 | 株式会社鹭宫制作所 | An embedding formation method enabling threaded parts to integrate through embedding formation |
| CN103448212A (en) * | 2013-09-03 | 2013-12-18 | 江苏建筑职业技术学院 | Precision rotor injection mold |
| CN107975603A (en) * | 2016-10-24 | 2018-05-01 | 株式会社鹭宫制作所 | Motor-driven valve and refrigerating circulation system |
| CN110500434A (en) * | 2019-09-25 | 2019-11-26 | 江西鸥迪铜业有限公司 | A kind of spool for electric expansion valve |
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| JP5643261B2 (en) * | 2011-12-07 | 2014-12-17 | 株式会社鷺宮製作所 | Insert molding method for integrating female screw member by insert molding |
| JP2014001796A (en) * | 2012-06-19 | 2014-01-09 | Saginomiya Seisakusho Inc | Screw feeding mechanism |
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| JP7226796B2 (en) * | 2019-06-14 | 2023-02-21 | 株式会社テージーケー | electric valve |
| CN113614431B (en) * | 2019-03-20 | 2023-09-15 | 株式会社不二工机 | Electric valve |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03239875A (en) * | 1990-02-19 | 1991-10-25 | Fuji Koki Seisakusho:Kk | Manufacture of electric expansion valve |
| JP3310042B2 (en) * | 1993-02-16 | 2002-07-29 | 株式会社不二工機 | Rotor center body for motor-operated valve, rotor feed screw, and method of manufacturing rotor |
| JP4059932B2 (en) * | 1995-04-18 | 2008-03-12 | Ｆｄｋ株式会社 | Manufacturing method of mold yoke for stepping motor and molding die used for manufacturing the same |
| JP3062069B2 (en) * | 1995-11-30 | 2000-07-10 | 株式会社ホンダロック | Electromagnetic sensor |
| CN2607499Y (en) * | 2003-02-26 | 2004-03-24 | 浙江三花集团有限公司 | Integrated shaping structure for magnetic rotor |
-
2007
- 2007-05-28 JP JP2007140995A patent/JP5060171B2/en active Active
-
2008
- 2008-03-24 KR KR20080026779A patent/KR101483300B1/en active IP Right Grant
- 2008-04-30 CN CN2008100887147A patent/CN101315136B/en not_active Ceased
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102297189A (en) * | 2010-06-25 | 2011-12-28 | 株式会社不二工机 | Female screw member, motor operated valve using same, and method for producing female screw member for motor operated valve |
| CN102297189B (en) * | 2010-06-25 | 2015-07-15 | 株式会社不二工机 | Female screw member, motor operated valve using same, and method for producing female screw member for motor operated valve |
| CN103144243A (en) * | 2011-12-07 | 2013-06-12 | 株式会社鹭宫制作所 | An embedding formation method enabling threaded parts to integrate through embedding formation |
| CN103144243B (en) * | 2011-12-07 | 2015-09-23 | 株式会社鹭宫制作所 | By the insert molding method that insert molding makes screwed part become to be integrated |
| CN103448212A (en) * | 2013-09-03 | 2013-12-18 | 江苏建筑职业技术学院 | Precision rotor injection mold |
| CN103448212B (en) * | 2013-09-03 | 2015-10-21 | 江苏建筑职业技术学院 | Precision rotor injection mold |
| CN107975603A (en) * | 2016-10-24 | 2018-05-01 | 株式会社鹭宫制作所 | Motor-driven valve and refrigerating circulation system |
| CN110500434A (en) * | 2019-09-25 | 2019-11-26 | 江西鸥迪铜业有限公司 | A kind of spool for electric expansion valve |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20080104952A (en) | 2008-12-03 |
| JP5060171B2 (en) | 2012-10-31 |
| CN101315136B (en) | 2012-03-07 |
| JP2008291985A (en) | 2008-12-04 |
| KR101483300B1 (en) | 2015-01-15 |
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