CN209127442U - A kind of chain wheeled support device and ramie shell numb device - Google Patents

Abstract

The utility model discloses a kind of chain wheeled support devices and ramie to shell numb device, including the upper support component for generating downward support force to the upper clamping chain being located on conveying circuit and the lower supporting assembly for generating upward support force to the lower clamping chain being located on conveying circuit, upper support component includes multiple upper support sprocket wheels with the cooperation of upper clamping chain, and upper support sprocket wheel is closely arranged along the top of conveying circuit；Lower supporting assembly includes multiple lower support sprocket wheels with the cooperation of lower clamping chain, and lower support sprocket wheel is closely arranged along the lower section of conveying circuit.The problem of above-mentioned chain wheeled support device, will not generate sliding friction between chain and support component, but direct power transmission, influence the service life of chain so as to avoid the chain wear as caused by sliding friction.

Description

A kind of chain wheeled support device and ramie shell numb device

Technical field

The utility model relates to ramie processing equipment technical field more particularly to a kind of chain wheeled support device and ramie stripping fiber crops Device.

Background technique

Ramie is the title that China's specialty is known as " China grass ", at present the cultivated area in China and the world yield Jun Zhan 90% or more.Ramee has flexible, and fiber strength is big, and the well-pressed good luster of fabric, moisture absorption dissipates the features such as wet fast, is typical Natural plant fibre raw material, textile is deep to be welcome by domestic and international consumer.

Ramie has nearly history in 5000 in China as textile raw material, and cultivation history is long.The 1980s with Before, the decorticating harvest of ramie is using pure manual or simple fiber extractor, large labor intensity；So far from the nineties in last century, state inland Continue successively and develop the small-sized numb device of ramie stripping, solves the demand of some individuals peasant household ramie decorticating processing.According to statistics, ramie Numb closing stripping recruitment accounts for about 50% or more of ramie whole production labor, and ramie closing stripping cost accounts for about ramie raw ramie (crude fibre) The 50% of price, thus develop the significant of ramie closing stripping machine.

Ramie shells numb device and generally comprises feeding mechanism and scutching mechanism, wherein feeding mechanism is used for the ramie of fiber crops to be stripped Fiber crops are delivered to the stripping fiber crops range of scutching mechanism, and scutching mechanism is used to carry out shelling numb operation to the ramie for being located at the numb range of stripping.But it is existing The ramie of fiber crops to be stripped is mostly delivered to the numb range of stripping, feeding mechanism by the way of chain clamping conveying by some feeding mechanisms Generally comprise clamp assemblies and lower clamp assemblies, upper clamp assemblies include upper clamping chain and for driving upper clamping chain to transport Dynamic upper drive mechanism, lower clamp assemblies include lower clamping chain and the lower drive mechanism for driving the movement of lower clamping chain, Upper clamping chain and lower clamping chain are in parallel opposite clamp position on the conveying circuit of corresponding ramie always, and upper clamping Chain is identical as linear velocity of the lower clamping chain on conveying circuit, in order to guarantee that chain is able to maintain parallel opposite clamping State, upper clamp assemblies include the upper support group for generating downward support force to the upper clamping chain being located on conveying circuit Part；Lower clamp assemblies include the lower support group for generating upward support force to the lower clamping chain being located on conveying circuit Part.But the arrangement that current upper support component and lower supporting assembly mostly uses support roller to be tensioned, this kind of mode are easy to make It obtains and generates sliding friction between chain and support roller, different degrees of abrasion can be caused to chain, to influence the use of chain In the service life, in addition this kind of mode needs chain to keep biggish tensile force, is easy to appear chain breakage when ramie conveys and squeezes Phenomenon equally will affect the service life of chain.

In conclusion how to solve the problems, such as that the support component of the chain of feeding mechanism is easy to influence the service life of chain Have become the technical problem of those skilled in the art's urgent need to resolve.

Utility model content

The purpose of the utility model is to provide a kind of chain wheeled support devices and ramie to shell numb device, to solve feeding mechanism The support component of chain is easy the problem of influencing the service life of chain.

To achieve the goals above, the utility model provides a kind of chain wheeled support device, including for positioned at conveying Upper clamping chain on route generate downward support force upper support component and for be located at the conveying circuit under Clamping chain generates the lower supporting assembly of upward support force, and the upper support component includes multiple matching with the upper clamping chain The upper support sprocket wheel closed, and the upper support sprocket wheel is closely arranged along the top of the conveying circuit；The lower supporting assembly packet Multiple lower support sprocket wheels with the lower clamping chain cooperation are included, and the lower support sprocket wheel is tight along the lower section of the conveying circuit Solid matter cloth.

Preferably, the upper support component further includes the upper support of upper support bar with the lower end that the upper support bar is arranged in U-shaped frame, the upper support sprocket wheel are spindle rotationally arranged on the upper U-shaped frame of support, the upper end of the upper support bar and ramie Shell the rack connection of numb device.

Preferably, the upper support bar is telescopic is arranged on the upper fixed bracket of the rack.

Preferably, the upper support bar is axially slidable is threaded through on fixed bracket, the upper support bar The end of upper end is provided with upper limit backstop；And compressed spring is arranged on the upper support bar, the upper compressed spring One end offsets with the upper U-shaped frame of support, and the other end of the upper compressed spring offsets with the upper fixed bracket of the rack.

Preferably, be also arranged with upper bush on the upper support bar, and the upper bush be located at the upper limit backstop with Between fixed bracket.

Preferably, the lower supporting assembly further includes the lower support of lower support bar with the upper end that the lower support bar is arranged in U-shaped frame, the lower support sprocket wheel are spindle rotationally arranged on the lower U-shaped frame of support, the lower end of the lower support bar and ramie Shell the rack connection of numb device.

Preferably, the lower support bar is telescopic is arranged on the lower fixed bracket of the rack.

Preferably, the lower support bar is axially slidable is threaded through on the lower fixed bracket, the lower support bar The end of lower end is provided with lower limit backstop；And lower compressed spring is arranged on the lower support bar, the lower compressed spring One end offsets with the lower U-shaped frame of support, and the other end of the lower compressed spring offsets with the lower fixed bracket of the rack.

Preferably, be also arranged with lower sleeve on the lower support bar, and the lower sleeve be located at the lower limit backstop with Between the lower fixed bracket.

Content is introduced compared to background technique, above-mentioned chain wheeled support device, including for being located on conveying circuit Clamping chain generate downward support force upper support component and for be located at conveying circuit on lower clamping chain generate to On support force lower supporting assembly, upper support component includes the upper support sprocket wheel of multiple cooperations with upper clamping chain, and upper branch Support sprocket wheel is closely arranged along the top of conveying circuit；Lower supporting assembly includes multiple lower support chains with the cooperation of lower clamping chain Wheel, and lower support sprocket wheel is closely arranged along the lower section of conveying circuit.Above-mentioned chain wheeled support device, due to upper support component and lower branch What support component was all made of is the structure of the multiple support sprocket wheels engaged with corresponding chain, and tightens solid matter cloth in conveying circuit Mode so that sliding friction will not be generated between chain and support component, but direct power transmission, so as to avoid due to Chain wear caused by sliding friction and the problem of influence the service life of chain；Furthermore support sprocket wheel is using the side closely to arrange Formula can greatly promote the enabling capabilities of support component entirety, a degree of to alleviate the tensioning of the chain force request, reduce The risk of chain breakage improves the service life of chain.

In addition, the utility model additionally provides a kind of numb device of ramie stripping, including chain wheeled support device, sprocket wheel support dress It is set to chain wheeled support device described in any of the above-described scheme.Since above-mentioned chain wheeled support device has above-mentioned technique effect, because This ramie with above-mentioned chain wheeled support device, which shells numb device, should also have corresponding technical effect, and details are not described herein.

Detailed description of the invention

Fig. 1 is the overall structure diagram of chain wheeled support device provided by the embodiment of the utility model；

Fig. 2 is the attachment structure schematic diagram of upper support sprocket wheel and upper support bar provided by the embodiment of the utility model；

Fig. 3 is longitudinal schematic cross-sectional view of Fig. 2；

Fig. 4 is the attachment structure schematic diagram of lower support sprocket wheel and lower support bar provided by the embodiment of the utility model.

In figure 1 above-Fig. 4,

Upper clamping chain 1, lower clamping chain 2, upper support sprocket wheel 3, lower support sprocket wheel 4, upper support bar 5, the upper U-shaped frame of support 6, upper fixed bracket 7, upper limit backstop 8, upper compressed spring 9, upper bush 10, lower support bar 11, the U-shaped frame 12 of lower support, lower solid Fixed rack 13, lower limit backstop 14, lower compressed spring 15, lower sleeve 16.

Specific embodiment

The core of the utility model is to provide a kind of chain wheeled support device and ramie shells numb device, to solve feeding mechanism The support component of chain is easy the problem of influencing the service life of chain.

In order to make those skilled in the art more fully understand technical solution provided by the utility model, below in conjunction with attached The utility model is described in further detail with specific embodiment for figure.

As Figure 1-Figure 4, a kind of chain wheeled support device provided by the embodiment of the utility model, including for defeated to being located at The upper clamping chain 1 of line sending road generates the upper support component of downward support force and for the lower folder being located on conveying circuit The lower supporting assembly that chain 2 generates upward support force is held, upper support component includes multiple upper branch with the cooperation of upper clamping chain 1 Sprocket wheel 3 is supportted, and upper support sprocket wheel 3 is closely arranged along the top of conveying circuit；Lower supporting assembly includes multiple and lower clamping chain 2 The lower support sprocket wheel 4 of cooperation, and lower support sprocket wheel 4 is closely arranged along the lower section of conveying circuit.

Above-mentioned chain wheeled support device, what is be all made of due to upper support component and lower supporting assembly is engaged with corresponding chain The structure of multiple support sprocket wheels, and the mode of solid matter cloth is tightened in conveying circuit, so that will not between chain and support component Generation sliding friction, but direct power transmission, influence chain so as to avoid the chain wear as caused by sliding friction The problem of service life of item；Furthermore support sprocket wheel can greatly promote support component entirety by the way of closely arranging Enabling capabilities, it is a degree of to alleviate the tensioning of the chain force request, the risk of chain breakage is reduced, making for chain is improved Use the service life.

In some specific embodiments, upper support component specifically further includes upper support bar 5 and is arranged in upper support bar 5 Lower end the U-shaped frame 6 of upper support, upper support sprocket wheel 3 is spindle rotationally arranged on the U-shaped frame 6 of support, the upper end of upper support bar 5 The rack for shelling numb device with ramie is connect.By using the structure type of upper support bar and the upper U-shaped frame of support, so that upper support chain The arrangement of wheel is more convenient.

The larger situation of amount in order to avoid feeding material between upper clamping chain and lower clamping chain, it is straight to be easy to appear material It connects to be clamped and squeeze off, above-mentioned upper support bar 5 is preferably telescopic is arranged on the upper fixed bracket 7 of rack.In this way, one Aspect can facilitate through the elongation of adjusting upper support bar the volume under pressure for adjusting upper clamping chain, then can be according to feeding The volume under pressure of upper support bar is adjusted in the stalk diameter of doses；On the one hand the pre-tightening tension of clamping chain can be adjusted.When So it is understood that upper support bar is also possible to non-telescoping structure type, only the application is preferably used scalable Formula.

In some more specifical embodiments, the specific structure of above-mentioned telescopic upper support bar can be branch Strut 5 is axially slidable to be threaded through on fixed bracket 7, and the end of the upper end of upper support bar 5 is provided with upper limit backstop 8； And compressed spring 9 is arranged on upper support bar 5, one end of upper compressed spring 9 offsets with the upper U-shaped frame 6 of support, upper compressed spring 9 other end and the upper fixed bracket 7 of rack offset.It should be noted that compressed spring should maintain default compression on this Amount can then guarantee that upper support sprocket wheel keeps the supporting role of preset pressure, and the effect of upper limit backstop mainly prevents The effect upper support bar of upper compressed spring is detached from from upper fixed bracket and the position limiting structure that is arranged.Therefore when upper clamping chain by It can be just raised above after to the preset pressure effect for when squeezing, needing to overcome the default decrement of upper compressed spring to generate.When feed Feeding is larger or when being relatively large in diameter of Ramie Stalk, the extruding force that upper clamping chain is subject to are more than the default pressure of upper compressed spring When power, upper support sprocket wheel can be forced lifting then avoid the ramie being located on upper clamping chain is squeezed it is rotten or the phenomenon that squeeze off. Of course, it should be understood that the above-mentioned structure type using upper compressed spring, only the utility model embodiment is for realizing The preferred form of upper support bar telescopic mechanism can also be other common telescopic structure shapes of those skilled in the art Formula, such as upper support bar are the cylinder rod for being connected with cylinder, provide preset pressure value etc. by gas source.

In order to facilitate the installation of upper limit backstop, and also to facilitate the adjusting of the bearing length of upper support bar, on this Upper bush 10 is also arranged on support rod 5, and upper bush 10 is located between upper limit backstop 8 and upper fixed bracket 7.Pass through replacement The downward elongation of upper support bar may be implemented in the upper bush of different height.It should be noted that the specific knot of upper limit backstop Structure can be the nut with the cooperation of the end thread of the upper end of upper support bar, be also possible to those skilled in the art it is common other The structure type of limit stops, such as the structure type etc. of spacer pin cooperation retaining ring.

Equally, lower supporting assembly specifically further includes the lower support U of lower support bar 11 with the upper end that lower support bar 11 is arranged in Type frame 12, lower support sprocket wheel 4 are spindle rotationally arranged on the lower U-shaped frame 12 of support, the lower end of lower support bar 11 and ramie stripping fiber crops dress The rack connection set.The above-mentioned structure type using lower support bar and the lower U-shaped frame of support, so that the arrangement of lower support sprocket wheel is more It is convenient.

The larger situation of amount in order to avoid feeding material between upper clamping chain and lower clamping chain, it is straight to be easy to appear material It connects to be clamped and squeeze off, above-mentioned lower support bar 11 is telescopic to be arranged on the lower fixed bracket 13 of rack.In this way, on the one hand The elongation by adjusting lower support bar can be facilitated to adjust the bearing height of lower clamping chain, can then be expected according to feeding The jacking amount of lower support bar is adjusted in the stalk diameter of amount；On the one hand the pre-tightening tension of lower clamping chain can be adjusted.Certainly It is understood that lower support bar is also possible to non-telescoping structure type, only the application preferably uses extension type ?.

In some more specifical embodiments, the specific structure of above-mentioned telescopic lower support bar can be lower branch Strut 11 is axially slidable to be threaded through on lower fixed bracket 13, and the end of the lower end of lower support bar 11 is provided with lower limit backstop 14；And lower compressed spring 15 is arranged on lower support bar 11, one end of lower compressed spring 15 offsets with the lower U-shaped frame 12 of support, under The other end of compressed spring 15 and the lower fixed bracket 13 of rack offset.It should be noted that the lower compressed spring should be kept There is default decrement, can then guarantee that lower support sprocket wheel keeps the supporting role of preset pressure, the effect master of lower limit backstop If the position limiting structure for preventing under the action of lower compressed spring support rod to be detached from from lower fixed bracket and being arranged.Therefore instantly It, could downwards after the preset pressure effect for needing to overcome the default decrement of lower compressed spring to generate when clamping chain is squeezed It is mobile.When feeding doses is larger or when being relatively large in diameter of Ramie Stalk, the extruding force that lower clamping chain is subject to is more than lower compression bullet When the preset pressure of spring, it is lower support sprocket wheel can be forced push then avoid by be located at lower clamping chain on ramie squeeze it is rotten or crowded Disconnected phenomenon.Of course, it should be understood that the above-mentioned structure type using lower compressed spring, only the utility model embodiment For realizing the preferred form of lower support bar telescopic mechanism, can also be those skilled in the art, common other are telescopic Structure type, such as lower support bar are the cylinder rod for being connected with cylinder, provide preset pressure value etc. by gas source.

In order to facilitate the installation of lower limit backstop, and also to facilitate the adjusting of the bearing length of lower support bar, under this Lower sleeve 16 is also arranged on support rod 11, and lower sleeve 16 is located between lower limit backstop 14 and lower fixed bracket 13.Pass through The upward elongation of lower support bar may be implemented in the lower sleeve of replacement different height.It should be noted that the tool of lower limit backstop Body structure can be the nut with the cooperation of the end thread of the upper end of lower support bar, and it is common to be also possible to those skilled in the art The structure type of other limit stops, such as the structure type etc. of spacer pin cooperation retaining ring.

In addition, the utility model additionally provides a kind of numb device of ramie stripping, including chain wheeled support device, sprocket wheel support dress It is set to chain wheeled support device described in any of the above-described scheme.Since above-mentioned chain wheeled support device has above-mentioned technique effect, because This ramie with above-mentioned chain wheeled support device, which shells numb device, should also have corresponding technical effect, and details are not described herein.

Numb device is shelled to chain wheeled support device provided by the utility model and ramie above to be described in detail.It needs Illustrate, all the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are With the difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.

It should also be noted that, herein, such as the terms "include", "comprise" or its any other variant are intended to contain Lid non-exclusive inclusion, so that article or equipment including a series of elements not only include those elements, but also It including other elements that are not explicitly listed, or further include for this article or the intrinsic element of equipment.Do not having In the case where more limitations, the element that is limited by sentence "including a ...", it is not excluded that in the article including above-mentioned element Or there is also other identical elements in equipment.

Specific case used herein is expounded the principles of the present invention and embodiment, above embodiments Explanation be merely used to help understand the core concept of the utility model.It should be pointed out that for the ordinary skill of the art For personnel, without departing from the principle of this utility model, several improvements and modifications can be made to this utility model, Modifications and modifications also fall within the protection scope of the claims of the utility model.

Claims (10)

1. a kind of chain wheeled support device, including for generating downward support to the upper clamping chain (1) being located on conveying circuit The upper support component of power and lower branch for generating upward support force to the lower clamping chain (2) being located on the conveying circuit Support component, which is characterized in that the upper support component includes multiple upper support sprocket wheels with upper clamping chain (1) cooperation (3), and the upper support sprocket wheel (3) is closely arranged along the top of the conveying circuit；The lower supporting assembly include it is multiple with The lower support sprocket wheel (4) of lower clamping chain (2) cooperation, and the lower support sprocket wheel (4) is along the lower section of the conveying circuit Close arrangement.

2. chain wheeled support device as described in claim 1, which is characterized in that the upper support component further includes upper support bar (5) and the U-shaped frame of upper support (6) in the lower end of the upper support bar (5) is set, the upper support sprocket wheel (3) rotatably sets It sets on the upper U-shaped frame (6) of support, the upper end of the upper support bar (5) is connect with the rack that ramie shells numb device.

3. chain wheeled support device as claimed in claim 2, which is characterized in that the telescopic setting of upper support bar (5) exists On the upper fixed bracket (7) of the rack.

4. chain wheeled support device as claimed in claim 3, which is characterized in that the upper support bar (5) is axially slidable to wear It is located on fixed bracket (7), the end of the upper end of the upper support bar (5) is provided with upper limit backstop (8)；And it is described It is arranged on upper support bar (5) compressed spring (9), one end of the upper compressed spring (9) and the upper U-shaped frame (6) of support It offsets, the other end of the upper compressed spring (9) offsets with the upper fixed bracket (7) of the rack.

5. chain wheeled support device as claimed in claim 4, which is characterized in that be also arranged with set on the upper support bar (5) Cylinder (10), and the upper bush (10) is between the upper limit backstop (8) and fixed bracket (7).

6. chain wheeled support device according to any one of claims 1 to 5, which is characterized in that the lower supporting assembly further includes The U-shaped frame of lower support (12) of lower support bar (11) and setting in the upper end of the lower support bar (11), the lower support sprocket wheel (4) It is spindle rotationally arranged on the lower U-shaped frame (12) of support, the machine of the lower end of the lower support bar (11) and the numb device of ramie stripping Frame connection.

7. chain wheeled support device as claimed in claim 6, which is characterized in that the telescopic setting of lower support bar (11) exists On the lower fixed bracket (13) of the rack.

8. chain wheeled support device as claimed in claim 7, which is characterized in that the lower support bar (11) is axially slidable to wear It is located on the lower fixed bracket (13), the end of the lower end of the lower support bar (11) is provided with lower limit backstop (14)；And It is arranged with lower compressed spring (15) on the lower support bar (11), one end of the lower compressed spring (15) and the lower support U Type frame (12) offsets, and the other end of the lower compressed spring (15) offsets with the lower fixed bracket (13) of the rack.

9. chain wheeled support device as claimed in claim 8, which is characterized in that be also arranged with and trap on the lower support bar (11) Cylinder (16), and the lower sleeve (16) is located between the lower limit backstop (14) and the lower fixed bracket (13).

10. a kind of ramie shells numb device, including chain wheeled support device, which is characterized in that the chain wheeled support device is such as right It is required that chain wheeled support device described in any one of 1-9.