CN201982715U - Cutting valve - Google Patents
Cutting valve Download PDFInfo
- Publication number
- CN201982715U CN201982715U CN2011201022014U CN201120102201U CN201982715U CN 201982715 U CN201982715 U CN 201982715U CN 2011201022014 U CN2011201022014 U CN 2011201022014U CN 201120102201 U CN201120102201 U CN 201120102201U CN 201982715 U CN201982715 U CN 201982715U
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- Prior art keywords
- blade
- sword
- short
- hole
- connecting rod
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- Expired - Lifetime
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Abstract
A cutting valve comprises a long scissor body, a short scissor body, a scissor master pin and a connecting rod. The long scissor body is provided with a first master pin hole and a first connecting rod hole. The short scissor body comprises an auxiliary blade and a blade pin and is provided with a second master pin hole, a second connecting rod hole and a first blade pin hole, wherein the auxiliary blade is provided with a second blade pin hole, and the blade pin penetrates through the first blade pin hole, the second pin hole to hinge a short blade and the auxiliary blade. The scissor master pin penetrates through the first master pin hole and the second master pin hole to hinge the long scissor body and the short scissor body. The connecting rods comprise two pieces, and the connecting holes at one ends of the two pieces of connecting rods are hinged with the first connecting hole and the second connecting hole respectively. By means of the short scissor body and the auxiliary blade, when the cutting valve is closed, errors of parallelism caused by rubber pipe abrasion or mechanical abrasion are compensated through the auxiliary blade, thereby effectively solving the problem of material leakage.
Description
Technical field
The utility model relates to the flow control valve in Flow of Goods and Materials control technique field, especially a kind of scissors valve.
Background technique
The scissors valve is the device that equipment such as wrapping machine, weighing instrument are used to control mass flow.The working procedure of scissors valve is the valve that drives the likeness in form scissors by cylinder, linkage mechanism, the size of control scissors blade opening, and the opening by the scissors blade is with the sectional area of control material flow through rubber pipe, thereby reaches the purpose of control mass flow.Scissors valve most common failure is to leak, be that valve can not effectively be closed, cause material from the rubber pipe internal leakage, not only cause material weighing error in dipping, cause production environment to pollute, and the concentrated wear of the rubber pipe of aggravation conveying material, so the airtight performance of scissors valve closed condition is a key index of judging scissors valve quality.
In the prior art, be the airtight performance that guarantees that the scissors valve cuts out, will be in the scissors valve of closed condition, the parallelism by control both sides knife edge part makes when rubber pipe is clamped, and the external force that top and the bottom, rubber pipe both sides are subjected to is balanced as far as possible.
The problem that exists is, 1. the wearing and tearing of rubber pipe: because the circulation status of material in rubber pipe exists than big-difference, the degree of wear difference that causes each position of rubber pipe inwall, when material under flowing state at a slow speed, especially flow through by the inwall place of scissors blade clamping deformation place rubber pipe, the wearing and tearing of inwall are accelerated, and cause local thickness's attenuation of rubber pipe, and changing appears in wall thickness; 2. the wearing and tearing of scissors stub and scissors blade: because the mechanical wear of scissors stub, when causing the scissors valve to be in closed condition, angle is destroyed and produced to the parallelism of scissors valve both sides knife edge part, or because mechanical wear makes the scissors blade local defect occur.This shows, attempt the technological scheme by the parallelism of manufacture process control scissors valve both sides knife edge part, is the problem that material from leakage takes place can't solve the scissors valve that causes for above-mentioned reasons and be in closed condition the time.In fact, owing to be subjected to the machining accuracy of scissors valve, mechanical wear, the physical property of rubber pipe, the physical property of material and the influence of flowing state, even new scissors valve, the parallelism difficulty that wants to control the both sides knife edge part is also higher, from real work, find still more, the stressed balanced intensity in the quality that clamps effect and blade top and the bottom, both sides is relevant, that is to say: the both sides knife edge part is in parallel during clamping, be not to be best clamped condition, best clamped condition is the angle of wishing that the both sides blade can compensate voluntarily, makes along the edge length direction to have balanced clamping force.
Summary of the invention
The purpose of this utility model is a kind of scissors valve that provides at the deficiencies in the prior art, the utility model adopts short scissor body to add the technological scheme of auxilliary blade, when the scissors valve is in closed condition, by the parallelism error that auxilliary blade compensation rubber pipe wearing and tearing or mechanical wear cause, efficiently solve the problem of material from leakage.
The concrete technological scheme that realizes the utility model purpose is:
A kind of scissors valve, its characteristics comprise the long pruning cutter hub, short scissor body, scissors stub and connecting rod, described long pruning cutter hub is provided with shear shank and rimmer knife sword, be provided with first kingpin bore between its shear shank and the rimmer knife sword, the end of shear shank is provided with the first connecting rod hole, described short scissor body comprises auxilliary blade and blade pin, short scissor body is provided with shear shank and short sword sword, be provided with second kingpin bore between its shear shank and the short sword sword, the end of shear shank is provided with the second connecting rod hole, the end of short sword sword is provided with the first blade pin-and-hole, auxilliary blade is identical with the shape of rimmer knife sword, and its middle part is provided with the second blade pin-and-hole, and the blade pin passes the first blade pin-and-hole, the second blade pin-and-hole is hinged with short sword sword and auxilliary blade, described connecting rod is a rod member, and its two ends are respectively equipped with tie rod holes; Described long pruning cutter hub, short scissor body are arranged in a crossed manner, and the scissors stub passes first kingpin bore, second kingpin bore is hinged with short scissor body with the long pruning cutter hub; Described connecting rod is two, and the tie rod holes of two connecting rod one ends is hinged with the second connecting rod hole of short scissor body with the first connecting rod hole of long pruning cutter hub respectively through hinge; The wide blade that goes out the short sword sword of the blade of described auxilliary blade.
The utility model adopts short scissor body to add the technological scheme of auxilliary blade, because the blade angle of auxilliary blade can compensate voluntarily, make the blade up and down of auxilliary blade can obtain balanced clamping force, go out the blade of short sword sword owing to the blade of auxilliary blade is wide, the blade of short sword sword did not stress when the blade of auxilliary blade kept clamping.When the scissors valve is in closed condition,, efficiently solve the problem of material from leakage by the parallelism error that auxilliary blade compensation rubber pipe wearing and tearing or mechanical wear cause.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model long pruning cutter hub;
Fig. 3 is the structural representation of the short scissor body of the utility model;
Fig. 4 is the structural representation of the auxilliary blade of the utility model;
The user mode schematic representation that Fig. 5 opens for the utility model scissors valve;
The user mode schematic representation that Fig. 6 closes for the utility model scissors valve.
Embodiment
Consult Fig. 1, Fig. 2, Fig. 3, Fig. 4, the utility model comprises long pruning cutter hub 1, short scissor body 2, scissors stub 3 and connecting rod 4, described long pruning cutter hub 1 is provided with shear shank and rimmer knife sword 11, be provided with first kingpin bore 12 between its shear shank and the rimmer knife sword 11, the end of shear shank is provided with first connecting rod hole 13, described short scissor body 2 comprises auxilliary blade 21 and blade pin 22, short scissor body 2 is provided with shear shank and short sword sword 23, be provided with second kingpin bore 24 between its shear shank and the short sword sword 23, the end of shear shank is provided with second connecting rod hole 25, the end of short sword sword 23 is provided with the first blade pin-and-hole 26, auxilliary blade 21 is identical with the shape of rimmer knife sword 11, its middle part is provided with the second blade pin-and-hole 27, blade pin 22 passes the first blade pin-and-hole 26, the second blade pin-and-hole 27 is hinged with short sword sword 23 and auxilliary blade 21, described connecting rod 4 is a rod member, and its two ends are respectively equipped with tie rod holes 41; Described long pruning cutter hub 1, short scissor body 2 are arranged in a crossed manner, and scissors stub 3 passes first kingpin bore 12, second kingpin bore 24 is hinged with short scissor body 2 with long pruning cutter hub 1; Described connecting rod 4 is two, and the tie rod holes 41 of two connecting rod 4 one ends is hinged with the second connecting rod hole 25 of short scissor body 2 with the first connecting rod hole 13 of long pruning cutter hub 1 respectively through hinge; The wide blade that goes out short sword sword 23 of the blade 28 of described auxilliary blade 21.
Embodiment of the present utility model:
Consult Fig. 1, Fig. 5, Fig. 6, at first the scissors stub 3 with the scissors valve is connected with frame 5, the tie rod holes 41 of two connecting rod 4 the other ends is hinged with the piston rod 6 on the cylinder, and make rubber pipe 7 between the auxilliary blade 21 of the rimmer knife sword 11 of long pruning cutter hub 1 and short scissor body 2, the center of rubber pipe 7 with lack scissor body 2 on the first blade pin-and-hole 26 of short sword sword 23 closed states parallel.
1.The scissors valve clamps the working procedure of rubber pipe: the piston rod 6 on the cylinder is positioned at lower dead centre, the scissors valve is in open configuration, when the scissors valve cuts out, piston rod 6 is begun to rise by lower dead centre, because two connecting rods 4 are hinged with the second connecting rod hole 25 of short scissor body 2 shear shank ends with the first connecting rod hole 13 of long pruning cutter hub 1 shear shank end respectively, when piston rod 6 rises, the shear shank that drive is articulated in the long pruning cutter hub 1 of scissors stub 3 closes up with the shear shank of lacking scissor body 2, simultaneously, the rimmer knife sword 11 of long pruning cutter hub 1 and the short sword sword 23 of short scissor body 2 close up, because auxilliary blade 21 is articulated in short sword sword 23 through blade pin 22, and the wide blade that goes out short sword sword 23 of the blade 28 of auxilliary blade 21, therefore, close up in the process at the rimmer knife sword 11 of long pruning cutter hub 1 and the short sword sword 23 of short scissor body 2, rimmer knife sword 11 touches rubber pipe 7 and its distortion of clamping with auxilliary blade 21, until clamping.
2. the working procedure that compensates voluntarily of scissors valve both sides blade: the machining accuracy that no matter is subjected to the scissors valve, mechanical wear, the physical property of rubber pipe, the physical property of material and the influence of flowing state, rubber pipe 7 when finally causing clamped condition is tapered nothing but, inverted cone or parallel state, clamped condition at the scissors valve, because auxilliary blade 21 is articulated in short sword sword 23 through blade pin 22, and the wide blade that goes out short sword sword 23 of the blade 28 of auxilliary blade 21, therefore, clamp in the process of rubber pipe 7 at the rimmer knife sword 11 of long pruning cutter hub 1 and the short sword sword 23 of short scissor body 2, the rimmer knife sword 11 of long pruning cutter hub 1 is regarded as relative fixed, and the short sword sword 23 of short scissor body 2 applies one and rimmer knife sword 11 equal and opposite in directions for auxilliary blade 21 by blade pin 22, direction opposite effect power, auxilliary blade 21 forms clamping rubber pipe 7 distortion of making a concerted effort with rimmer knife sword 11, because the middle part of auxilliary blade 21 is provided with blade pin 22, promptly in the process that auxilliary blade 21 and rimmer knife sword 11 clamping rubber pipes 7 are out of shape, the stress of auxilliary blade 21 can compensate angle voluntarily by blade pin 22, make the balanced clamping force of auxilliary blade 21 both sides blades acquisitions of rimmer knife sword 11 with the short scissor body 2 of scissor body 1, thereby obtain best clamped condition.
Claims (2)
1. scissors valve, it is characterized in that it comprises long pruning cutter hub (1), short scissor body (2), scissors stub (3) and connecting rod (4), described long pruning cutter hub (1) is provided with shear shank and rimmer knife sword (11), be provided with first kingpin bore (12) between its shear shank and the rimmer knife sword (11), the end of shear shank is provided with first connecting rod hole (13), described short scissor body (2) comprises auxilliary blade (21) and blade pin (22), short scissor body (2) is provided with shear shank and short sword sword (23), be provided with second kingpin bore (24) between its shear shank and the short sword sword (23), the end of shear shank is provided with second connecting rod hole (25), the end of short sword sword (23) is provided with the first blade pin-and-hole (26), auxilliary blade (21) is identical with the shape of rimmer knife sword (11), its middle part is provided with the second blade pin-and-hole (27), blade pin (22) passes the first blade pin-and-hole (26), the second blade pin-and-hole (27) is hinged with short sword sword (23) and auxilliary blade (21), described connecting rod (4) is a rod member, and its two ends are respectively equipped with tie rod holes (41); Described long pruning cutter hub (1), short scissor body (2) are arranged in a crossed manner, and scissors stub (3) passes first kingpin bore (12), second kingpin bore (24) is hinged with short scissor body (2) with long pruning cutter hub (1); Described connecting rod (4) is two, the two ends of connecting rod (4) are provided with tie rod holes (41), and wherein the tie rod holes (41) of two connecting rod (4) one ends is hinged with the second connecting rod hole (25) of the first connecting rod hole (13) of long pruning cutter hub (1) and short scissor body (2) respectively through hinge.
2. a kind of scissors valve according to claim 1 is characterized in that the wide blade that goes out short sword sword (23) of the blade (28) of auxilliary blade (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201022014U CN201982715U (en) | 2011-04-11 | 2011-04-11 | Cutting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201022014U CN201982715U (en) | 2011-04-11 | 2011-04-11 | Cutting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201982715U true CN201982715U (en) | 2011-09-21 |
Family
ID=44610177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201022014U Expired - Lifetime CN201982715U (en) | 2011-04-11 | 2011-04-11 | Cutting valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201982715U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155575A (en) * | 2011-04-11 | 2011-08-17 | 上海曹杨建筑粘合剂厂 | Scissor valve |
| CN103671987A (en) * | 2012-09-18 | 2014-03-26 | 昆山尚达智机械有限公司 | Valve convenient to open and close |
| CN105597614A (en) * | 2015-11-13 | 2016-05-25 | 重庆索利特涂料有限公司 | Infinitely variable speed mixer discharging device |
-
2011
- 2011-04-11 CN CN2011201022014U patent/CN201982715U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155575A (en) * | 2011-04-11 | 2011-08-17 | 上海曹杨建筑粘合剂厂 | Scissor valve |
| CN102155575B (en) * | 2011-04-11 | 2012-09-05 | 上海曹杨建筑粘合剂厂 | Scissor valve |
| CN103671987A (en) * | 2012-09-18 | 2014-03-26 | 昆山尚达智机械有限公司 | Valve convenient to open and close |
| CN105597614A (en) * | 2015-11-13 | 2016-05-25 | 重庆索利特涂料有限公司 | Infinitely variable speed mixer discharging device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110921 Effective date of abandoning: 20120905 |