CN208361527U - Plaiting knife assembly and plaiter - Google Patents
Plaiting knife assembly and plaiter Download PDFInfo
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- CN208361527U CN208361527U CN201820771987.0U CN201820771987U CN208361527U CN 208361527 U CN208361527 U CN 208361527U CN 201820771987 U CN201820771987 U CN 201820771987U CN 208361527 U CN208361527 U CN 208361527U
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- tabletting
- plaiting
- plaiting knife
- knife
- articulated shaft
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Abstract
The utility model discloses a kind of plaiting knife assembly and plaiters, it is related to cloth processing machinery field, for in plaiting knife swing process, the tabletting being hinged on plaiting knife there are problems that hitting pressing plate risk, the following technical schemes are provided: including being oppositely arranged the two plaiting knives to form logical cloth gap, and it is respectively provided at the tabletting on plaiting knife, tabletting is fixedly installed articulated shaft, and the side that two plaiting knives are away from each other is mounted on by articulated shaft, plaiting knife is equipped with the elastic component of limitation tabletting and plaiting knife hinge angle, plaiting knife is fixedly arranged above direction-changing piece in tabletting, articulated shaft is equipped with the connecting line being connected by direction-changing piece with another tabletting, after the tabletting of side is dynamic with respect to plaiting swivel, connecting line is pulled towards articulated shaft, and then it drives other side tabletting to rotate towards plaiting knife direction and tightens, with pacifying the course of work of plaiting knife more Full advantage.
Description
Technical field
The utility model relates to cloth processing machinery fields, more specifically, it is related to a kind of plaiting knife assembly and plaiting
Machine.
Background technique
Plaiter is mainly used for cloth engineer's workshop, generally carries out shuttle folding to cloth by plaiting knife, then passes through again
Two groups of pressing plates block the both ends of cloth, to realize that fixed length, entirely plaiting works.Plaiting knife assembly therein belongs to plaiter
Important component, determine the precision and flatness of cloth during plaiting.
A kind of existing publication No. is the plaiting knife assembly of CN105668307A, including knife rest, the two sides of knife rest are respectively connected with
Plaiting knife, the bottom end on the outside of each plaiting knife are hinged with tabletting, torsional spring, two plaitings are connected between tabletting and plaiting knife
Knife is symmetrical, and two plaiting knives are arranged to intermediate, inclined, have the effect of keeping cloth more smooth during code.
When work, due to that should guarantee the effect of the smooth cloth of tabletting, and folder function must be realized, plaiting knife is swung to
When near pressing plate, the pressing plate distance of tabletting on plaiting knife side and fixed cloth is very close, but the course of work of machine without
Method guarantees absolute precision and stabilization, and due to the unstability of machine itself, or under the effect of external force, tabletting is with plaiting knife
Swinging track when swing may change, and tabletting and pressing plate originally just closely has the possibility mutually hit,
To influence entire the operation of a machine.
Utility model content
In view of the deficiencies of the prior art, the first of the utility model is designed to provide a kind of plaiting knife assembly, has drop
The advantages of low voltage sheet hits pressing plate risk, improves plaiter job security.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of plaiting knife assembly, to form two plaiting knives in logical cloth gap including being oppositely arranged, and is respectively provided at plaiting
Tabletting on knife, the tabletting is fixedly installed articulated shaft, and is mounted on what two plaiting knives were away from each other by articulated shaft
Side, the plaiting knife are equipped with the elastic component of limitation tabletting and plaiting knife hinge angle, and the plaiting knife is fixed above tabletting
There is direction-changing piece, the articulated shaft is equipped with the connecting line being connected by direction-changing piece with another tabletting, the tabletting relocatable code of side
After cloth swivel is dynamic, the connecting line is moved towards articulated shaft, and then is driven other side tabletting to rotate towards plaiting knife direction and tightened.
By adopting the above technical scheme, when plaiting knife remains static, cloth passes through the logical cloth gap of plaiting knife, with code
The hinged pressing plate of cloth knife is just pressed on cloth, and with the left-right rotation of plaiting knife, cloth swings with plaiting knife and realizes back and forth
Folding, can not be moved downward since tabletting is against on cloth, after the plaiting knife compression elastic piece of work feed side with tabletting with
And articulated shaft in tabletting generates a relative rotation, since direction-changing piece is fixed on plaiting knife, is equivalent to direction-changing piece and hinged
Axis also produces a relative rotation, therefore the connecting rope between articulated shaft and direction-changing piece is driven towards hinged axis direction and transports
It is dynamic, since wire length is fixed, other side tabletting by connecting line pulling force effect and rotate and tighten towards plaiting knife direction, when plaiting knife
When turning near pressing plate, the tabletting close to pressing plate side has been tightened to a lesser angle to plaiting knife direction, thus
The risk for reducing tabletting and clamp collision when plaiting swivel moves to a certain extent, improves the safety of plaiter work.
Preferably, the articulated shaft of side is coaxially fixed with the first change pulley that radius is greater than articulated shaft, the connection
Line is fastened on the first change pulley.
By adopting the above technical scheme, when articulated shaft is dynamic with respect to plaiting swivel, the amount of spin of articulated shaft itself passes through connection
Line is transmitted in the tabletting of the other side, and the radius of gyration of articulated shaft is far smaller than the radius of gyration of other side tabletting, therefore cuts with scissors
When inlet wire amount caused by spindle relative rotation is transmitted in the tabletting of the other side, the rotational angle of other side tabletting is far smaller than
The rotational angle of articulated shaft, by being coaxially disposed the biggish change pulley of the radius of gyration on articulated shaft, so that articulated shaft relocatable code
When cloth swivel moves, the rotation amplitude of the tabletting of the other side is bigger, to further reduce tabletting and pressing plate when plaiting swivel moves
The risk of collision.
Preferably, the direction-changing piece includes the first fixed pulley.
By adopting the above technical scheme, by the way that connecting line is arranged on articulated shaft, the rotary force of articulated shaft is converted into connection
The pulling force of line, then by setting fixed pulley, the pulling force of connecting line can be converted by a suitable angle makes another tabletting
The power of plaiting knife is turned to, and frictional force is relatively small force of rolling friction between fixed pulley and connecting line, reducing need not
The energy loss wanted implements scheme relatively reliable.
Preferably, the articulated shaft is coaxially fixed with the second change pulley that radius is greater than the first change pulley, and described first is fixed
Pulley coaxle is provided with the second fixed pulley, and second change pulley is fastened to have and connect by the second fixed pulley with another tabletting
Partial pressure line, the tie point of the tabletting and connecting line and partial pressure line is gradually distance from plaiting knife.
By adopting the above technical scheme, it needs to bear a very big active force in order to drive tabletting to rotate, on connecting line to use
In overcoming the elastic force between tabletting and plaiting knife to act on, by the second bigger change pulley of the setting radius on articulated shaft, and
Pressing plate more lateral is connected with partial pressure line, and when relatively rotating articulated shaft, connecting line drives the tabletting of the other side with partial pressure line jointly
Plaiting knife is turned to, connecting line is made and divides being more uniformly stressed on line, reduces connecting line and partial pressure line in excessive effect
The possibility snapped under power ensure that the stability that scheme is implemented.
Preferably, the elastic component is torsional spring.
By adopting the above technical scheme, when plaiting knife and tabletting relatively rotate, the torsional spring being disposed there between is produced
A raw motion-impeding power, to limit the hinge angle of plaiting knife and tabletting in normal state, and with plaiting knife
Continuous to relatively rotate, the resistance of torsional spring and the relative rotation angle of tabletting are directly proportional and uniformly increase, make in the course of work by
Power is more stable.
Preferably, the tabletting is equipped with annulus, and the connecting line is fixed on annulus.
By adopting the above technical scheme, it is generally the case that due to platen shape comparison rule, there is no be directly connected to wire rod
Structure, by the way that an annulus is arranged on pressing plate, such as the mode of welding becomes entangled in wire rod on annulus, thus real very well
The connection of existing wire rod and components.
Preferably, the tabletting is equipped with fillet far from plaiting knife side lower end.
By adopting the above technical scheme, during tabletting smooth cloth, if the foremost contacting position of tabletting and cloth is deposited
In corner angle more sharp or outstanding, it is likely to result in the damage of cloth, by setting the initial contact point of tabletting and cloth to
Radiussed can reduce the friction between tabletting and cloth, cloth avoided to damage.
Preferably, the top and bottom edge of cloth contact surface is provided with round and smooth guide surface on the inside of two plaiting knives.
By adopting the above technical scheme, when plaiting knife is swung, the cloth for leading to cloth gap positioned at plaiting knife is dynamic real by plaiting knife-band
It is now folded left and right, corner angle are likely to result in the damage of cloth when contacting with cloth present on plaiting knife, by plaiting knife
With cloth contact surface round and smooth guide surface setting up and down, reduce the frictional force between plaiting knife and cloth, reduces the damage to cloth
Wound improves plaiting quality.
In view of the deficiencies of the prior art, the second of the utility model is designed to provide a kind of special plaiter, has
Reduce the advantages of tabletting hits pressing plate risk, improves plaiter job security.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of plaiter, including plaiting knife assembly as described above.
By adopting the above technical scheme, when plaiting knife rotates, compression elastic piece gives tabletting one be hinged on plaiting knife
Downward pressure when tabletting is pressurized, occurs so that cloth is more smooth after plaiting between plaiting knife and the articulated shaft of tabletting
One opposite rotation drives connecting line to move towards the direction of articulated shaft, and since connecting line is non-extensible, the tabletting of the other side exists
Dynamic towards plaiting swivel under the pulling force effect of connecting line, with the swing of plaiting knife, the tabletting of side is another while compress
The tabletting of side is driven and is upturned, so that a possibility that reducing tabletting and clamp collision, makes the course of work of plaiter
More stable safety.
In conclusion the utility model has the following beneficial effects:
1. realizing the left and right folding of cloth by the mutual cooperation of the plaiting knife and pressing plate that swing；
2. plaiting knife swing when, be hinged on tabletting compression on plaiting knife contacted with cloth it is even closer, to make cloth
More smooth, plaiting effect is more preferable；
3. the other side tilts automatically with the closer tabletting of pressing plate when side tabletting smooth cloth, thus reduce tabletting with
The risk of clamp collision improves the stability and safety of plaiter.
Detailed description of the invention
Fig. 1 is the overall structure figure of plaiter in the utility model；
Fig. 2 is the enlarged diagram in the portion A in the utility model；
Fig. 3 is the one-sided configuration schematic diagram of plaiting knife assembly in the utility model；
Fig. 4 is the side view of plaiting knife assembly in the utility model；
Fig. 5 is plaiting knife schematic diagram of internal structure in the utility model.
In figure: 1, plaiting knife；11, support frame；12, the first fixed pulley；13, the second fixed pulley；14, guide surface；15, it connects
Axis；2, lead to cloth gap；3, tabletting；31, direction-changing piece；32, the first change pulley；321, connecting line；33, the second change pulley；331, divide
Crimping；34, fillet；35, articulated shaft；4, torsional spring；5, annulus；6, rack；7, plaiting platform；8, driving part；9, pressing plate.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
A kind of plaiter, referring to Fig.1, including rack 6, the plaiting platform 7 being arranged in rack 6, for being rolled on plaiting platform 7
The driving part 8 and fold the cloth completed for compressing that plaiting knife assembly, the driving plaiting knife assembly of laying up are swung
Pressing plate 9, pressing plate 9 are distributed in plaiting component two sides.
Referring to Fig. 2 and Fig. 3, plaiting knife assembly includes two plaiting knives 1 being oppositely arranged, between two plaiting knives 1 there are
Logical cloth gap 2, and the end of two plaiting knives 1 connects into an entirety to other side's extension, in the side that two plaiting knives 1 are away from each other
On face, which is obliquely installed to logical cloth gap 2 from top to bottom.
Plaiting knife assembly further includes the tabletting 3 that one end is fixed with articulated shaft 35, the inclined surface bottom of tabletting 3 and plaiting knife 1
Hinged by articulated shaft 35, plaiting knife 1 is equipped with the elastic component 4 of limitation tabletting 3 and 1 hinge angle of plaiting knife, and the present embodiment is hit by a bullet
Property part 4 be torsional spring 41, torsional spring 41 passes through articulated shaft 35 and both ends and is connected to 35 end of articulated shaft and 1 end face of plaiting knife
On, after being limited by torsional spring 41, tabletting 3 distinguishes setting according to different working conditions from the angle of plaiting knife 1, with plaiting knife
1 it is static when, subject to what tabletting 3 can be smooth be placed on cloth, the present embodiment is not specifically limited.Tabletting 3 is far from 1 side of plaiting knife
Bottom is provided with fillet 34, and 3 top one end of tabletting is fixed in the width direction, and there are two the annulus 5 for being used for kinking.
35 end of articulated shaft of two pieces of tablettings 3 extends outwardly, and the extending direction along articulated shaft 35 is coaxially fixed with the first change
Speed wheel 32 and the second change pulley 33,32 radius of the first change pulley are greater than articulated shaft 35 less than the second change pulley 33, the first change pulley
32 and second are respectively and fixedly provided with annulus 5 for kinking on change pulley 33, and plaiting knife assembly is equipped with two foots and stands on two codes respectively
The support frame 11 of 1 top surface of cloth knife is extended with two connecting shafts 15 on support frame 11, is designed in every connecting shaft 15 with connecting shaft
15 be the direction-changing piece 31 in axle center, and direction-changing piece 31 is the first fixed pulley set gradually along 15 extending direction of connecting shaft in the present embodiment
12 and second fixed pulley 13,12 radius of the first fixed pulley be slightly larger than the second fixed pulley 13, the plaiting knife assembly in the present embodiment closes
It is symmetrical in logical cloth gap 2.
As shown in figure 4, plaiting knife assembly includes connecting line 321 and partial pressure line 331,321 one end of connecting line is along the first speed change
It tangles after taking turns 32 circumference winding half-turn on annulus 5,321 other end of connecting line becomes entangled in another after the steering of the first fixed pulley 12
On the annulus 5 of articulated shaft 35, partial pressure 331 both ends of line become entangled on the annulus 5 of the second change pulley 33 3 top surface of side pressure piece respectively
With 3 top of other side tabletting far from the annulus 5 of articulated shaft 35, partial pressure 331 winding mode of line is identical as connecting line 321.
As shown in figure 5, the opposite side lower corners of two plaiting knives 1 are round and smooth guide surface 14.
The operating condition and principle of the present embodiment are as follows:
When the preparation stage, cloth passes through the logical cloth gap 2 of plaiter and is pushed down by pressing plate 9, on plaiting knife 1 hingedly
Tabletting 3 and cloth pasting, when plaiter is started to work, driving part 8 drives plaiting knife 1 to swing, and is located at plaiting knife 1
The cloth at middle part drives the angle to side-to-side movement, between plaiting knife 1 and tabletting 3 to reduce by plaiter, after 3 stress of tabletting with
The smooth cloth of swaying direction, when plaiting knife 1 is rocked to 9 position of pressing plate, pressing plate 9 opens automatically and between the logical cloth of plaiting knife 1
It is passed through in gap 2, for plaiting knife 1 toward when backswing, pressing plate 9 rotates down pressing cloth, realizes cloth with swinging for plaiting knife 1
Left and right folding.
When plaiter prepared in the stage, cloth is only passed through into logical cloth gap 2 and is fixed under an end clamp plate 9, code
Cloth knife 1 could drive the cloth at loose work feed end with plaiting knife 1 to another end motion when swinging.
When plaiting knife 1 is started to work, as plaiting knife 1 starts to swing, wherein between the plaiting knife 1 and cloth of side
Angle is smaller and smaller, and since tabletting 3 and cloth pasting can not move downward, the angle between plaiting knife 1 and tabletting 3 is also increasingly
Small, deformation occurs for the torsional spring 41 between plaiting knife 1 and tabletting 3, and plaiting knife 1 is converted into tabletting 3 active force of torsional spring 41
Pressure, therefore tabletting 3 and cloth pasting is even closer, with the swing of plaiting knife 1, tabletting 3 slides to separately from one end of cloth
The function of smooth cloth is realized in one end, fillet 34 is provided with since tabletting 3 contacts one end with cloth at first, to reduce flat
A possibility that tabletting 3 is to the damage of cloth during whole.
Due to leading between the change pulley being fixedly installed and the fixed pulley being fixedly installed on plaiting knife 1 on 3 articulated shaft 35 of tabletting
The connecting line 321 for crossing tensioning connects, and as plaiting knife 1 and the hinge angle of tabletting 3 constantly reduce, is equivalent to change pulley and determines cunning
A relative rotation is produced between wheel, connecting line 321 is partially around on change pulley, since the overall length of connecting line 321 is constant,
The tabletting 3 of 321 other side of connecting line is acted on by the pressure of connecting line 321, to rotate towards plaiting knife 1, when plaiting knife 1 is put
When moving to pressing plate 9, the tabletting 3 close to 9 side of pressing plate has had been rotated by certain degree towards plaiting knife 1, to reduce
The risk of pressing plate 9 is hit in tabletting 3 in swing process, improves the stability and safety of the plaiter course of work.
When plaiting knife 1 swings to extreme higher position, pressing plate 9 is passed through from logical cloth gap 2, with 1 backswing of plaiting knife, works as cloth
Before material is not contacted with the plaiting knife 1 of the other side also, since period cloth is not driven by the active force of plaiter, this
When pushed by pressing plate 9 and realize function by cloth folding under pressing plate 9.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (9)
1. a kind of plaiting knife assembly, to form two plaiting knives (1) of logical cloth gap (2) including being oppositely arranged, and is respectively provided at
Tabletting (3) on plaiting knife (1), the tabletting (3) are fixedly installed articulated shaft (35), and are mounted on two by articulated shaft (35)
The side that a plaiting knife (1) is away from each other, the plaiting knife (1) are equipped with limitation tabletting (3) and plaiting knife (1) hinge angle
Elastic component (4), it is characterized in that: the plaiting knife (1) is fixedly arranged above direction-changing piece (31) in tabletting (3), the articulated shaft (35)
Equipped with the connecting line (321) being connected with another tabletting (3) by direction-changing piece (31), the tabletting (3) of side is towards plaiting knife (1)
After rotation, the connecting line (321) moves towards articulated shaft (35), and then other side tabletting (3) is driven to turn towards plaiting knife (1) direction
Dynamic tightening.
2. plaiting knife assembly according to claim 1, it is characterized in that: the articulated shaft (35) of side is coaxially fixed with half
Diameter is greater than first change pulley (32) of articulated shaft (35), and the connecting line (321) is fastened on the first change pulley (32).
3. plaiting knife assembly according to claim 2, it is characterized in that: the direction-changing piece (31) includes the first fixed pulley
(12)。
4. plaiting knife assembly according to claim 3 is greater than it is characterized in that: the articulated shaft (35) is coaxially fixed with radius
The second change pulley (33) of first change pulley (32), first fixed pulley (12) are coaxially arranged with the second fixed pulley (13), institute
Stating the second change pulley (33) and being fastened has the partial pressure line (331) connecting by the second fixed pulley (13) with another tabletting (3), institute
The tie point for stating tabletting (3) and connecting line (321) and partial pressure line (331) is gradually distance from plaiting knife (1).
5. plaiting knife assembly according to claim 1, it is characterized in that: the elastic component (4) is torsional spring (41).
6. plaiting knife assembly according to claim 4, it is characterized in that: the tabletting (3) is equipped with annulus (5), the company
Wiring (321) is fixed on annulus (5).
7. plaiting knife assembly according to claim 1, it is characterized in that: the tabletting (3) is far from plaiting knife (1) side lower end
Equipped with fillet (34).
8. plaiting knife assembly according to claim 7, it is characterized in that: being contacted on the inside of two plaiting knives (1) with cloth
The top and bottom edge in face is provided with guide surface (14).
9. a kind of plaiter, it is characterized in that: including plaiting knife assembly as described in any of the claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820771987.0U CN208361527U (en) | 2018-05-23 | 2018-05-23 | Plaiting knife assembly and plaiter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820771987.0U CN208361527U (en) | 2018-05-23 | 2018-05-23 | Plaiting knife assembly and plaiter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208361527U true CN208361527U (en) | 2019-01-11 |
Family
ID=64935480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820771987.0U Active CN208361527U (en) | 2018-05-23 | 2018-05-23 | Plaiting knife assembly and plaiter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208361527U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112707328A (en) * | 2021-01-19 | 2021-04-27 | 重庆航天职业技术学院 | Novel pulley block |
-
2018
- 2018-05-23 CN CN201820771987.0U patent/CN208361527U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112707328A (en) * | 2021-01-19 | 2021-04-27 | 重庆航天职业技术学院 | Novel pulley block |
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