CN204175993U - A kind of extrusion press liquid-filling valve start-stop device - Google Patents

A kind of extrusion press liquid-filling valve start-stop device Download PDF

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Publication number
CN204175993U
CN204175993U CN201420536615.1U CN201420536615U CN204175993U CN 204175993 U CN204175993 U CN 204175993U CN 201420536615 U CN201420536615 U CN 201420536615U CN 204175993 U CN204175993 U CN 204175993U
Authority
CN
China
Prior art keywords
guide pin
pin bushing
hole
valve seat
valve
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.)
Expired - Fee Related
Application number
CN201420536615.1U
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Chinese (zh)
Inventor
唐波
唐燕林
孙晓杰
顾春虎
宋星星
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WUXI WEITE MACHINERY CO Ltd
Original Assignee
WUXI WEITE MACHINERY CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by WUXI WEITE MACHINERY CO Ltd filed Critical WUXI WEITE MACHINERY CO Ltd
Priority to CN201420536615.1U priority Critical patent/CN204175993U/en
Application granted granted Critical
Publication of CN204175993U publication Critical patent/CN204175993U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of extrusion press liquid-filling valve start-stop device, comprise outer cylinder body and liquid-filling valve, liquid-filling valve is in outer cylinder body, described liquid-filling valve comprises valve rod, valve seat, guide pin bushing and flap, valve seat and outer cylinder body are all fixed on connecting cylinder upper-end surface, valve seat is fixed with guide pin bushing, valve rod sleeve is in guide pin bushing, the front end sleeve of valve rod is in the center hole of valve seat and stretch out valve seat, the front end of valve rod is fixed with flap, flap covers the bottom nozzle of the center hole of valve seat, the upper end of guide pin bushing has connected connecting tube, connecting tube stretches out the end face of outer cylinder body, the sidewall of guide pin bushing has through hole, through hole is connected with the inner chamber body of outer cylinder body.It there is start-stop device, meanwhile, it need not adopt oil cylinder, and it enters connecting tube by passing into fluid thus ensure that valve rod moves down, and without the need to oil cylinder, what it adopted is, and pressure promotes, and the damage of its valve rod is little.

Description

A kind of extrusion press liquid-filling valve start-stop device
Technical field:
The utility model relates to extrusion press technical field, relates to a kind of extrusion press liquid-filling valve start-stop device in particular.
Background technique:
At present, in forging equipment industry, hydraulic press is all equipped with liquid-filling valve with all kinds of hydraulic presses of fast lower action at oil cylinder end face in the course of the work, because the work frequency of hydraulic press is more and more faster, the hydraulic shock that topping up spool bears is also increasing, but it generally adopts liquid-filling valve is that the push rod of rear portion oil cylinder promotes valve rod, and oil cylinder cost is high.
Model utility content:
The purpose of this utility model overcomes the deficiencies in the prior art, a kind of extrusion press liquid-filling valve start-stop device is provided, it there is start-stop device, simultaneously, it need not adopt oil cylinder, and it enters connecting tube by passing into fluid thus ensure that valve rod moves down, without the need to oil cylinder, what it adopted is that pressure promotes, and the damage of its valve rod is little.
The scheme that the utility model solve the technical problem is:
A kind of extrusion press liquid-filling valve start-stop device, comprise outer cylinder body and liquid-filling valve, liquid-filling valve is in outer cylinder body, described liquid-filling valve comprises valve rod, valve seat, guide pin bushing and flap, valve seat and outer cylinder body are all fixed on connecting cylinder upper-end surface, valve seat is fixed with guide pin bushing, valve rod sleeve is in guide pin bushing, the front end sleeve of valve rod is in the center hole of valve seat and stretch out valve seat, the front end of valve rod is fixed with flap, flap covers the bottom nozzle of the center hole of valve seat, the upper end of guide pin bushing has connected connecting tube, connecting tube stretches out the end face of outer cylinder body, the sidewall of guide pin bushing has through hole, through hole is connected with the inner chamber body of outer cylinder body.
Described guide pin bushing comprises outer bush and interior guide pin bushing, and outer bush is fixed on the top of valve seat and is connected with the center hole of valve seat, and the sidewall of outer bush has multiple through hole.
Described outer bush has shoulder hole, the outer wall of interior guide pin bushing is stepped, interior guide pin bushing sleeve is in shoulder hole, the external wall of upper portion of interior guide pin bushing is pressed against on the end face of upper hole section of shoulder hole, between interior guide pin bushing and outer bush, there is gap, connecting end cap is screwed onto on the top of outer bush, and the bottom end connecting end cap is pressed against on the top end of interior guide pin bushing.
Described interior guide pin bushing has middle part shoulder hole, the bottom end of interior guide pin bushing has connecting through hole, the diameter of connecting through hole is less than the downstairs section of middle part shoulder hole, the upper ladder section of middle part shoulder hole is thread section, valve rod sleeve is in the downstairs section of middle part shoulder hole, the front end of valve rod stretches out connecting through hole and outer bush successively, and sleeve is in the center hole of valve seat, and the upper ladder section of middle part shoulder hole is bolted with connecting tube.
The center hole of described valve seat is connected with the gap had between outer bush with interior guide pin bushing, and interior guide pin bushing is connected with through hole with the gap had between outer bush.
The top end of described valve rod covers the bottom nozzle of the middle through-hole of connecting tube.
The bottom nozzle sidewall of the center hole of described valve seat is tapered sidewalls, and the upper portion side wall of flap is tapered wall, and the upper portion side wall of flap is close on the bottom nozzle sidewall of the center hole of valve seat.
Outstanding effect of the present utility model is:
Compared with prior art, it there is start-stop device, meanwhile, it need not adopt oil cylinder, and it enters connecting tube by passing into fluid thus ensure that valve rod moves down, and without the need to oil cylinder, what it adopted is, and pressure promotes, and the damage of its valve rod is little.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the partial approach figure of Fig. 1.
Embodiment:
Embodiment, see as shown in Figure 1 to Figure 2, a kind of extrusion press liquid-filling valve start-stop device, comprise outer cylinder body 1 and liquid-filling valve 2, liquid-filling valve 2 is in outer cylinder body 1, described liquid-filling valve 2 comprises valve rod 21, valve seat 22, guide pin bushing 23 and flap 24, valve seat 22 and outer cylinder body 1 are all fixed on connecting cylinder 10 upper-end surface, valve seat 22 is fixed with guide pin bushing 23, valve rod 21 sleeve is in guide pin bushing 23, the front end sleeve of valve rod 21 is in the center hole of valve seat 22 and stretch out valve seat 22, the front end of valve rod 21 is fixed with flap 24, flap 24 covers the bottom nozzle of the center hole of valve seat 22, the upper end of guide pin bushing 23 has connected connecting tube 3, connecting tube 3 stretches out the end face of outer cylinder body 1, the sidewall of guide pin bushing 23 has through hole 25, through hole 25 is connected with the inner chamber body of outer cylinder body 1.
Described guide pin bushing 23 comprises outer bush 231 and interior guide pin bushing 232, and outer bush 231 is fixed on the top of valve seat 22 and is connected with the center hole of valve seat 22, and the sidewall of outer bush 231 has multiple through hole 25.
Described outer bush 231 has shoulder hole 2311, the outer wall of interior guide pin bushing 232 is stepped, interior guide pin bushing 232 sleeve is in shoulder hole 2311, the external wall of upper portion of interior guide pin bushing 232 is pressed against on the end face of upper hole section of shoulder hole 2311, between interior guide pin bushing 232 and outer bush 231, there is gap, connecting end cap 26 is screwed onto on the top of outer bush 231, and the bottom end connecting end cap 26 is pressed against on the top end of interior guide pin bushing 232, and connecting tube 3 stretches out the central through bore connecting end cap 26.
Described interior guide pin bushing 232 has middle part shoulder hole 2321, the bottom end of interior guide pin bushing 232 has connecting through hole 2322, the diameter of connecting through hole 2322 is less than the downstairs section of middle part shoulder hole 2321, the upper ladder section of middle part shoulder hole 2321 is thread section, valve rod 21 sleeve is in the downstairs section of middle part shoulder hole 2321, valve rod 21 sleeve has radial extension edge 100 at the outer wall of the downstairs section of middle part shoulder hole 2321, spring 200 sleeve is in valve rod 21, and radial extension edge 100 is put forth effort in one end of spring 200, the other end is put forth effort on the bottom end of interior guide pin bushing 232.
The front end of valve rod 21 stretches out connecting through hole 2322 and outer bush 231 successively, and sleeve is in the center hole of valve seat 22, and the upper ladder section of middle part shoulder hole 2321 is bolted with connecting tube 3.
The center hole of described valve seat 22 is connected with the gap had between outer bush 231 with interior guide pin bushing 232, and interior guide pin bushing 232 is connected with through hole 25 with the gap had between outer bush 231.
The top end of described valve rod 21 covers the bottom nozzle of the middle through-hole of connecting tube 3.
The bottom nozzle sidewall of the center hole of described valve seat 22 is tapered sidewalls, and the upper portion side wall of flap 24 is tapered wall, and the upper portion side wall of flap 24 is close on the bottom nozzle sidewall of the center hole of valve seat 22.
Working principle: the outer side wall of its outer cylinder body 1 has also connected connection pipe body, when this liquid-filling valve uses, by liquid is entered by connecting tube 3, it can connect any one press-in connection device, by adding liquid to connecting tube 3, this liquid ensures consistent with the liquid in outer cylinder body 1, after the liquid in connecting tube 3 adds, just promote valve rod 21 move down, flap 24 is separated with valve seat 22, and the fluid in such outer cylinder body 1 just can enter valve seat 22 by through hole 25 and enter in connecting tube 3 as below supplements fluid.
When fluid is many, the fluid device that its connecting tube 3 lower end connects just enters valve seat 22 to by connecting tube 3, thus promotion flap 24 moves up, and makes the upper portion side wall of flap 24 be close on the bottom nozzle sidewall of the center hole of valve seat 22, is formed and closes.
Wherein, the outer side wall of outer cylinder body 1 also connects connection pipe body to facilitate entering of fluid.
Above mode of execution is only for illustration of the utility model; and be not limitation of the utility model; the those of ordinary skill of relevant technical field; when not departing from spirit and scope of the present utility model; can also make a variety of changes and modification; therefore all equivalent technological schemes also belong to category of the present utility model, and scope of patent protection of the present utility model should be defined by the claims.

Claims (7)

1. an extrusion press liquid-filling valve start-stop device, comprise outer cylinder body (1) and liquid-filling valve (2), liquid-filling valve (2) is in outer cylinder body (1), it is characterized in that: described liquid-filling valve (2) comprises valve rod (21), valve seat (22), guide pin bushing (23) and flap (24), valve seat (22) and outer cylinder body (1) are all fixed on connecting cylinder (10) upper-end surface, valve seat (22) is fixed with guide pin bushing (23), valve rod (21) sleeve is in guide pin bushing (23), the front end sleeve of valve rod (21) is in the center hole of valve seat (22) and stretch out valve seat (22), the front end of valve rod (21) is fixed with flap (24), flap (24) covers the bottom nozzle of the center hole of valve seat (22), the upper end of guide pin bushing (23) has connected connecting tube (3), connecting tube (3) stretches out the end face of outer cylinder body (1), the sidewall of guide pin bushing (23) has through hole (25), through hole (25) is connected with the inner chamber body of outer cylinder body (1).
2. a kind of extrusion press liquid-filling valve start-stop device according to claim 1, it is characterized in that: described guide pin bushing (23) comprises outer bush (231) and interior guide pin bushing (232), outer bush (231) is fixed on the top of valve seat (22) and is connected with the center hole of valve seat (22), and the sidewall of outer bush (231) has multiple through hole (25).
3. a kind of extrusion press liquid-filling valve start-stop device according to claim 2, it is characterized in that: described outer bush (231) has shoulder hole (2311), the outer wall of interior guide pin bushing (232) is stepped, interior guide pin bushing (232) sleeve is in shoulder hole (2311), the external wall of upper portion of interior guide pin bushing (232) is pressed against on the end face of the upper hole section of shoulder hole (2311), between interior guide pin bushing (232) and outer bush (231), there is gap, connecting end cap (26) is screwed onto on the top of outer bush (231), the bottom end connecting end cap (26) is pressed against on the top end of interior guide pin bushing (232).
4. a kind of extrusion press liquid-filling valve start-stop device according to claim 3, it is characterized in that: described interior guide pin bushing (232) has middle part shoulder hole (2321), the bottom end of interior guide pin bushing (232) has connecting through hole (2322), the diameter of connecting through hole (2322) is less than the downstairs section at middle part shoulder hole (2321), the upper ladder section at middle part shoulder hole (2321) is thread section, valve rod (21) sleeve is in the downstairs section of middle part shoulder hole (2321), the front end of valve rod (21) stretches out connecting through hole (2322) and outer bush (231) successively, and sleeve is in the center hole of valve seat (22), the upper ladder section at middle part shoulder hole (2321) is bolted with connecting tube (3).
5. a kind of extrusion press liquid-filling valve start-stop device according to claim 4, it is characterized in that: the center hole of described valve seat (22) is connected with the gap had between interior guide pin bushing (232) same to outer bush (231), and the gap had between interior guide pin bushing (232) same to outer bush (231) is connected with through hole (25).
6. a kind of extrusion press liquid-filling valve start-stop device according to claim 4, is characterized in that: the top end of described valve rod (21) covers the bottom nozzle of the middle through-hole of connecting tube (3).
7. a kind of extrusion press liquid-filling valve start-stop device according to claim 4, it is characterized in that: the bottom nozzle sidewall of the center hole of described valve seat (22) is tapered sidewalls, the upper portion side wall of flap (24) is tapered wall, and the upper portion side wall of flap (24) is close on the bottom nozzle sidewall of the center hole of valve seat (22).
CN201420536615.1U 2014-09-17 2014-09-17 A kind of extrusion press liquid-filling valve start-stop device Expired - Fee Related CN204175993U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420536615.1U CN204175993U (en) 2014-09-17 2014-09-17 A kind of extrusion press liquid-filling valve start-stop device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420536615.1U CN204175993U (en) 2014-09-17 2014-09-17 A kind of extrusion press liquid-filling valve start-stop device

Publications (1)

Publication Number Publication Date
CN204175993U true CN204175993U (en) 2015-02-25

Family

ID=52564804

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420536615.1U Expired - Fee Related CN204175993U (en) 2014-09-17 2014-09-17 A kind of extrusion press liquid-filling valve start-stop device

Country Status (1)

Country Link
CN (1) CN204175993U (en)

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150225

Termination date: 20210917

CF01 Termination of patent right due to non-payment of annual fee