CN207351145U - A kind of piston type air quantity adjusts drying unit - Google Patents

Abstract

The utility model discloses a kind of piston type air quantity to adjust drying unit, by the way that drying mechanism is arranged to air-out component and heating component, in the inside of air-out component, piston unit is set, in air-out component outlet air, using slidably reciprocating inside the miscellaneous air-out component of piston unit, the air quantity of air-out component or so outlet air is set to occur alternately to change, make textile thereon not only can be while the air-flow sprayed with air-out component is swung up and down, it may also rely on the difference of left and right wind-force, swing, the aqueous vapor on textile is set thoroughly to volatilize, solve the problems, such as that aqueous vapor is gathered in textile drying course, when realizing textile drying, the lifting of textile quality.

Description

A kind of piston type air quantity adjusts drying unit

Technical field

Weaving drying technology field is the utility model is related to, is specially that a kind of piston type air quantity adjusts drying unit.

Background technology

In process of textile production, it is essential procedure of processing to carry out drying to textile, and is carried out to textile During drying heating, moisture will certainly be produced the aqueous vapor of big calorimetric by thermal evaporation on the surface of textile, and aqueous vapor is not waved Hair, accumulation can cause textile fold, hardened on the textile, and in drying course, textile is close to outlet air position, weaving Impurity on product floats in the air with hot wind, seriously affects the quality after textile drying.

In the Chinese patent that the patent No. is CN104776695A, it is noted that a kind of spinning electric heating and drying roller, by electricity Heating technique is combined with roller, cloth is dried when drum drive, greatly reduces energy consumption, but in the mistake of drying Aqueous vapor generation is had in journey, textile can be made to make moist hardened, and the content of aqueous vapor can increase in air, reduce the effect of drying Rate, have impact on the quality of textile.

Utility model content

In view of the above problems, the utility model, which provides a kind of piston type air quantity, adjusts drying unit, by by dryer Structure is arranged to air-out component and heating component, and piston unit is set in the inside of air-out component, in air-out component outlet air, utilizes Slidably reciprocate inside the miscellaneous air-out component of piston unit, make the air quantity of air-out component or so outlet air occur alternately to change, make thereon Textile not only can may also rely on the difference of left and right wind-force while the air-flow sprayed with air-out component is swung up and down, Swing, the aqueous vapor on textile is thoroughly volatilized, solve the problems, such as that aqueous vapor is gathered in textile drying course, it is real When having showed textile drying, the lifting of textile quality.

To achieve the above object, the utility model provides following technical solution：

A kind of piston type air quantity adjusts drying unit, including symmetrically arranged rack, further includes：

Drying mechanism, the drying mechanism are arranged in the rack, it include with rack fix connect heating component with And the air-out component at the top of the heating component is arranged at, the both ends of the air-out component are connected with shown heating component.

As an improvement, the heating component includes：

Heater box, the heater box are fixedly connected with the rack, and air outlet is provided at both ends with the top of it, its lower face It is symmetrically arranged with air inlet；

Some heater strips, the width of the heater strip along the heater box are placed equidistant with inside the heater box, its Both ends are connected with the heater box；

Air draught unit, the air draught unit are arranged at the bottom of the rack, it is connected by air hose with the heater box.

As an improvement, the air draught unit further includes：

Air-suction trunk, the air-suction trunk are arranged at the end of the aspiration channel, it passes through the aspiration channel and the heater box Connection；

Suction ventilator, the suction ventilator are fixedly installed in the air-suction trunk.

As an improvement, the air-out component includes：

Wind unit, the both ends of the wind unit are rotatably dispose in the rack, it is located at the top of the heater box At portion's air outlet, and it is connected by the air outlet with the heater box；

Piston unit, the piston unit are arranged at the inside of the wind unit, its length side along the wind unit To reciprocatingly sliding.

As an improvement, the wind unit includes：

Reciprocating screw rod, the both ends of the reciprocating screw rod are rotatably dispose in the rack, and the middle part is provided with cross-helicity The screw thread of setting, and its one end is connected by way of belt transmission with driving motor；

Fixed end cap, the fixed end cap are sheathed on the reciprocating screw rod, its one end air outlet with the heater box Plug together connection；

Outlet air roller, the one end open of the outlet air roller are set, and the capping of its other end is set, and the one of its capping setting Fixing sleeve is held to be arranged on the reciprocating screw rod, one end which is set connects with the fixed end cap turning set, should Some exhaust vents have uniformly been placed equidistant with the outer wall of outlet air roller；

First air draught blade, the first air draught blade are sheathed on the reciprocating screw rod, it is located at the outlet air roller Interior one end；

Second air draught blade, the second air draught blade are sheathed on the reciprocating screw rod, it is inhaled relative to described first Wind blade is arranged at the other end in the outlet air roller.

As an improvement, the piston unit includes：

Reciprocating screw rod nut, the reciprocating screw rod nut are sheathed at the screw thread in the middle part of the reciprocating screw rod；

Piston, the piston are arranged at the inside of the outlet air roller, it is fastenedly connected with the reciprocating screw rod nut；

Connection ring, one end that the connection ring is set with the outlet air roller end cover are fastenedly connected, and are provided with annular Sliding slot；

Optical axis, the optical axis are symmetrically disposed on the both sides of the reciprocating screw rod, and its one end is fixed with the fixed end cap to be connected Connect, its other end passes through the piston, is rolled and is arranged in the sliding slot of the connection ring by roller.

As an improvement, further including the dust collection mechanism being arranged above the air-out component, which includes：

Dust suction subassembly, the dust suction subassembly are slided along the rack vertical direction, its be located at the air-out component just on Side；

Slide assemblies, the slide assemblies are arranged between the dust suction subassembly and rack, it is used to connect dust suction subassembly With rack, and its control dust suction subassembly slide up and down；

Collection assembly of dust, the collection assembly of dust are arranged at the side of the rack, it passes through dust collecting duct and the dust suction group Part connects.

As an improvement, the dust suction subassembly includes：

Suction box, the suction box are arranged at the surface of the air-out component, its lower end is arc-shaped setting, and it is justified Some air inlet holes are evenly distributed with the lower face that arc is set, the upper surface of the suction box passes through telescopic pipes and the dust Component connects；

Dust absorption fan, the dust absorption fan are located in the suction box, it is symmetrically disposed on the suction box upper surface Both sides, the dorsal part of the dust absorption fan is the telescopic pipes.

As an improvement, the slide assemblies include：

Some line slide rails, the line slide rail are symmetrically disposed on the both ends of the dust suction subassembly, it is along the rack Vertical direction is set；

Some sliding blocks, the sliding block are slideably positioned on the corresponding line slide rail, it consolidates with the dust suction subassembly Fixed connection；

Screw, the screw are rotatably dispose in the side of the rack, it is set along the vertical direction of rack, and it is by setting The electric rotating machine at end placed on it drives rotation；

Ball nut, the ball nut are sheathed on the screw, it is fixedly connected with the dust suction subassembly.

As an improvement, the collection assembly of dust includes：

Dust outline border, the dust outline border are square setting, and end face is connected by dust collecting duct and the dust suction subassembly thereon It is logical, and do not have venthole on the side in its any three direction equidistantly, and remaining one side is that opening is set；

Storehouse in dust, storehouse is that direction is set in the dust, it is located at the inside of the dust outline border, and it is towards the collection Dirt outline border offers and is both provided with filter core on three sides of venthole.

The beneficial effects of the utility model are：

(1) the utility model drives the piston unit in it to carry out left and right by air-out component during outlet air is rotated Slide, be compressed the space side of the both sides of air-out component, side is extended, and compresses the air-out component air output of side Increase, the air-out component air output for extending side reduce, and the textile for making to be dried thereon is influenced to realize left and right by wind pressure Swing, aqueous vapor is discharged, avoids aqueous vapor from gathering；

(2) the utility model is while air-out component makes textile swing to discharge aqueous vapor, air-out component blowout Hot wind take away impurity after drying on textile, the impurity that the textile to swing is easier to make to adhere thereon drops and quilt Collect；

(3) the utility model drives reciprocating screw rod rotation, synchronous drive goes out when setting air-out component by driving motor Wind roller rotates and piston reciprocating slides, and makes the combination of outlet air roller and piston more into close, synchronism is more preferable, while saves energy Consumption；

(4) the utility model sets the dust collection mechanism that can be slided up and down in the top of drying mechanism, utilizes dust collection mechanism While impurity is suctioned out, aqueous vapor is absorbed in the lump, avoids aqueous vapor at textile drying from diffusing influence work, and dust collection mechanism can Slide up and down, be more conducive to guiding work of the textile before being dried；

In conclusion the utility model has the advantages that good drying effect, compact-sized, energy saving, it is particularly suitable for weaving Drying technology field.

Brief description of the drawings

Fig. 1 is the utility model dimensional structure diagram；

Fig. 2 is the utility model part-structure schematic cross-sectional view；

Fig. 3 is the utility model heater box dimensional structure diagram；

Fig. 4 is the utility model air-out component schematic cross-sectional view；

Fig. 5 is enlarged structure schematic diagram at A in Fig. 4；

Fig. 6 is the utility model air-out component part isometric structure diagram；

Fig. 7 is the utility model connection ring dimensional structure diagram；

Fig. 8 is the utility model schematic cross-sectional view；

Fig. 9 is the utility model slide assemblies dimensional structure diagram；

Figure 10 is structure enlargement diagram at B in Fig. 7；

Figure 11 is the utility model collection assembly of dust dimensional structure diagram.

Embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained, shall fall within the protection scope of the present invention.

In the description of the utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ", The orientation or position relationship of the instructions such as " clockwise ", " counterclockwise " be based on orientation shown in the drawings or position relationship, be only for Described easy to description the utility model and simplifying, rather than instruction or imply signified equipment or element must have it is specific Orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.

In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or Implicitly include one or more this feature.In the description of the utility model, " multiple " are meant that two or two More than, unless otherwise specifically defined.

Embodiment：

As shown in Figure 1, a kind of piston type air quantity adjusts drying unit, including symmetrically arranged rack 1, further include：

Drying mechanism 2, the drying mechanism 2 are arranged in the rack 1, it includes fixing the heating component connected with rack 21 and the air-out component 22 at the top of the heating component 21 is arranged at, the both ends of the air-out component 22 connect with shown heating component 21 It is logical.

It should be noted that heating component 21 is heated exterior air suction, the air after heating is by outlet air group Part 22 is blown out to being dried by textile thereon, and during drying, air-out component 22 makes textile thereon or so Swing, during swinging, the aqueous vapor allowed on textile distributes, and avoids gathering.

As shown in Figure 2 and Figure 3, as a preferred embodiment, the heating component 21 includes：

Heater box 211, the heater box 211 are fixedly connected with the rack 1, and air outlet is provided at both ends with the top of it 2111, its lower face is symmetrically arranged with air inlet 2112；

Some heater strips 212, the heater strip 212 are placed equidistant with the heating along the width of the heater box 211 Inside case 211, its both ends is connected with the heater box 211；

Air draught unit 213, the air draught unit 213 are arranged at the bottom of the rack 1, it passes through air hose 2131 and institute Heater box 211 is stated to connect.

Wherein, the air draught unit 213 further includes：

Air-suction trunk 2132, the air-suction trunk 2132 are arranged at the end of the aspiration channel 2131, it passes through the aspiration channel 2131 connect with the heater box 211；

Suction ventilator 2133, the suction ventilator 2133 are fixedly installed in the air-suction trunk 2132.

Need to illustrate, the suction ventilator 2133 is drawn outside air and entered in heater box 211, heater box Heater strip 212 in 211 heats air, and the air after heating is at the air outlet 2111 of 211 top both sides of heater box Enter in air-out component 22.

Further illustrate, the suction ventilator 2133 in air-suction trunk 2132 is additionally provided with strainer in its front end, utilizes The air that strainer sucks suction ventilator 2133 filters, and avoids the quality after the impurity effect textile drying in air.

As Fig. 4 with, shown in Fig. 5, Fig. 6 and Fig. 7, further, the air-out component 22 includes：

Wind unit 221, the both ends of the wind unit 221 are rotatably dispose in the rack 1, it is located at the heating At the top outlet inlet 2111 of case 211, and it is connected by the air outlet 2111 with the heater box 211；

Piston unit 222, the piston unit 222 are arranged at the inside of the wind unit 221, it is along the wind unit 221 length direction reciprocatingly slides.

Wherein, the wind unit 221 includes：

Reciprocating screw rod 2211, the both ends of the reciprocating screw rod 2211 are rotatably dispose in the rack 1, the middle part is provided with The screw thread that cross-helicity is set, and its one end is connected by way of belt transmission with driving motor 2216；

Fixed end cap 2212, the fixed end cap 2212 are sheathed on the reciprocating screw rod 2211, itself and the heater box 211 one end air outlet 2111 plugs together connection；

Outlet air roller 2213, the one end open of the outlet air roller 2213 are set, and the capping of its other end is set, and it is covered One end fixing sleeve of setting is arranged on the reciprocating screw rod 2211, one end and the fixation that the outlet air roller 2213 opening is set End cap 2212 rotates socket, and some exhaust vents have uniformly been placed equidistant with the outer wall of the outlet air roller 2213；

First air draught blade 2214, the first air draught blade 2214 are sheathed on the reciprocating screw rod 2211, it is located at One end in the outlet air roller 2213；

Second air draught blade 2215, the second air draught blade 2215 are sheathed on the reciprocating screw rod 2211, its is opposite The other end being arranged in the first air draught blade 2214 in the outlet air roller 2213.

Further, the piston unit 222 includes：

Reciprocating screw rod nut 2221, the reciprocating screw rod nut 2221 are sheathed on the screw thread at the middle part of reciprocating screw rod 2211 Place；

Piston 2222, the piston 2222 are arranged at the inside of the outlet air roller 2213, itself and the reciprocating screw rod spiral shell Mother 2221 is fastenedly connected；

Connection ring 2223, one end that the connection ring 2223 is set with 2213 end cap of outlet air roller are fastenedly connected, its On be provided with annular sliding slot；

Optical axis 2224, the optical axis 2224 are symmetrically disposed on the both sides of the reciprocating screw rod 2211, its one end with it is described solid Fixed end lid 2212 is fixedly connected, its other end passes through the piston 2222, is rolled by roller 2225 and is arranged at the connection ring In 2223 sliding slot.

It should be noted that wind unit 221 draws spinning of the air to being conveyed above it after heating out of heater box 211 Fabric is heated, and during heating, the piston unit 222 inside wind unit 221 can be along the length of wind unit 221 Direction is slided, and is changed the space size of the left and right sides of outlet air roller 2213 in wind unit 221, is made its side space big, Side space is small, carries out circulation change, and the small cross force in space is big, and wind pressure is high, and the side that space is big, wind-force are small, wind pressure It is low, corresponding textile left and right ends is swung by wind-force and influenced by wind pressure.

Further illustrating, outlet air roller 2213 is used as central shaft in rack 1 by reciprocating screw rod 2211 and is rotated, The both ends of outlet air roller 2213 are connected with heater box 211, rotating with the driving driving progress of motor 2216 in reciprocating screw rod 2211 During, outlet air roller 2213 rotates its part outside heater box 211 and carries out heating, drying to textile.

Wherein need to illustrate, fixed end cap 2212 is plugged together by one end air outlet 2111 with heater box 211 Connection, is connected in heater box 211, it is not rotated, and the outlet air roller 2213 being arranged thereon then can be by reciprocal The drive rotation of screw 2211.

What deserves to be explained is reciprocating screw rod 2211, in rotary course, the first air draught blade 2214 and second thereon is inhaled 2215 synchronous rotary of wind blade, from the interior absorption hot-air of heater box 211 and is discharged, wherein the first air draught blade 2214 and second is inhaled 2215 rotating Vortex of wind blade, but the angle of blade setting and the relation in direction thereon, the first air draught blade 2214 and second Air draught blade 2215 can draw hot-air out of heater box 211.

Illustrate further, piston 2222 is set on reciprocating screw rod 2211 by reciprocating screw rod nut 2221, light Axis 2224 carries out reciprocating screw rod nut 2221 spacing by being fixedly connected with fixed end cap 2212, rotates reciprocating screw rod 2211 When, reciprocating screw rod nut 2221 is moved left and right along reciprocating screw rod 2211, and band piston 2222 changes outlet air roller 2213 or so The size in the outlet air space of both sides, and then change the size of 221 left and right sides air output of wind unit.

As shown in fig. 6, as a preferred embodiment, further include the dust suction for being arranged at the top of air-out component 22 Mechanism 3, the dust collection mechanism 3 include：

Dust suction subassembly 31, the dust suction subassembly 31 are slided along 1 vertical direction of rack, it is located at the air-out component 22 Surface；

Slide assemblies 32, the slide assemblies 32 are arranged between the dust suction subassembly 31 and rack 1, it, which is used to connect, inhales Dirt component 31 and rack 1, and it controls dust suction subassembly 31 to slide up and down；

Collection assembly of dust 33, the collection assembly of dust 33 are arranged at the side of the rack 1, it passes through dust collecting duct and the suction Dirt component 31 connects.

It should be noted that dust suction subassembly 31 is driven along rack 1 by slide assemblies 32 carries out longitudinal sliding motion, dust suction subassembly 31 Slide into directly over air-out component 22, with outlet air roller 2213 to it is corresponding when stop sliding, the work absorption textile of dust suction subassembly 31 On aqueous vapor and textile on impurity, the impurity of absorption carries out absorption processing with aqueous vapor by collection assembly of dust 33.

As shown in fig. 6, wherein, the dust suction subassembly 31 includes：

Suction box 311, the suction box 311 are arranged at the surface of the air-out component 22, its lower end sets to be arc-shaped Put, and some air inlet holes are evenly distributed with the lower face of its arc-shaped setting, the upper surface of the suction box 311, which passes through, stretches Pipeline 312 is connected with the collection assembly of dust 33；

Dust absorption fan 313, the dust absorption fan 313 are located in the suction box 311, it is symmetrically disposed on the suction box The both sides of 311 upper surfaces, the dorsal part of the dust absorption fan 313 is the telescopic pipes 312.

It should be noted that the arc-shaped setting in the lower end of suction box 311 is exposed to outside heater box 211 with outlet air roller 2213 The corresponding cooperation in part in portion, the dust absorption fan 313 in it draw aqueous vapor and impurity.

It is worth illustrating, telescopic pipes 312 can stretch elongation, it can be with the vertical shift of suction box 311 Elongated and shortened.

As illustrated in figs. 7 and 8, further, the slide assemblies 32 include：

Some line slide rails 321, the line slide rail 321 are symmetrically disposed on the both ends of the dust suction subassembly 31, it is along institute The vertical direction for stating rack 1 is set；

Some sliding blocks 322, the sliding block 322 are slideably positioned on the corresponding line slide rail 321, itself and the suction Dirt component 31 is fixedly connected；

Screw 323, the screw 323 are rotatably dispose in the side of the rack 1, it is set along the vertical direction of rack 1, And it drives rotation by the electric rotating machine 324 for being arranged on end；

Ball nut 325, the ball nut 325 are sheathed on the screw 323, it is fixed with the dust suction subassembly 31 Connection.

It should be noted that electric rotating machine 324 drives screw 323 to rotate, ball nut 325, which drives, in rotary course inhales Dirt case 311 moves up and down, and when dust suction subassembly 31 needs work, slide assemblies 32 operate, and drives dust suction subassembly 31 to drop to The top of wind component 22 works, and when dust suction subassembly 31 does not work, slide assemblies 32 operate, and dust suction subassembly 31 is risen to The top of rack 1, passes through from the upper end of air-out component 22 at work easy to follow-up textile.

Further illustrate, dust suction subassembly 31 can rely on slide assemblies 32 adjust between air-out component 22 away from From to be adapted to the different amplitudes of oscillation that unlike material textile produces in drying course.

As shown in figure 9, further, the collection assembly of dust 33 includes：

Dust outline border 331, the dust outline border 331 are square setting, and end face passes through dust collecting duct and the dust suction thereon Component 31 connects, and does not have venthole on the side in its any three direction equidistantly, and remaining one side is that opening is set；

Storehouse 332 in dust, storehouse 332 is that direction is set in the dust, it is located at the inside of the dust outline border 331, and Filter core 333 is both provided with its three side for offering venthole towards the dust outline border 331.

It should be noted that the impurity that dust suction subassembly 31 sucks delivers into dust with aqueous vapor by telescopic pipes 312 In interior storehouse 332, filter core 333 filters impurity, and aqueous vapor is discharged into the pipeline specified with air, is transported to the external world.

The course of work is as follows：

Driving motor 2216 operates, and drives reciprocating screw rod 2211 to rotate, outlet air roller 2213 is being rotated with its synchronous rotary During, 2215 synchronous rotary of the first air draught blade 2214 and the second air draught blade thereon, by the hot-air in heater box 211 It is drawn into outlet air roller 2213, during 2213 outlet air of outlet air roller, the piston that is connected by reciprocating screw rod nut 2221 2222 are moved along reciprocating screw rod 2211, are changed the size that 2213 both sides of outlet air roller are separated space by piston, are rolled outlet air Change of the air force of 2213 liang of side air-outs of cylinder with wind pressure size with empty change generating period, and then make outlet air roller Textile on 2213 is impacted to swing, and volatilization aqueous vapor simultaneously makes impurity drop with swinging for textile, by inhaling Dirt component 31 is drawn into collection assembly of dust 33 and collects.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model Protection domain within.

Claims (10)

1. a kind of piston type air quantity adjusts drying unit, including symmetrically arranged rack (1), it is characterised in that further includes：

Drying mechanism (2), the drying mechanism (2) are arranged in the rack (1), it includes fixing the heating group connected with rack Part (21) and the air-out component (22) being arranged at the top of the heating component (21), the both ends of the air-out component (22) add with shown Hot component (21) connection.

2. a kind of piston type air quantity according to claim 1 adjusts drying unit, it is characterised in that the heating component (21) include：

Heater box (211), the heater box (211) are fixedly connected with the rack (1), and air outlet is provided at both ends with the top of it (2111), its lower face is symmetrically arranged with air inlet (2112)；

Some heater strips (212), the heater strip (212) are placed equidistant with adding in this along the width of the heater box (211) Hot tank (211) is internal, its both ends is connected with the heater box (211)；

Air draught unit (213), the air draught unit (213) are arranged at the bottom of the rack (1), its by air hose (2131) with Heater box (211) connection.

3. a kind of piston type air quantity according to claim 2 adjusts drying unit, it is characterised in that the air draught unit (213) further include：

Air-suction trunk (2132), the air-suction trunk (2132) are arranged at the end of the aspiration channel (2131), it passes through the air draught Pipe (2131) is connected with the heater box (211)；

Suction ventilator (2133), the suction ventilator (2133) are fixedly installed in the air-suction trunk (2132).

4. a kind of piston type air quantity according to claim 2 adjusts drying unit, it is characterised in that the air-out component (22) include：

Wind unit (221), the both ends of the wind unit (221) are rotatably dispose in the rack (1), it adds positioned at described Top outlet inlet (2111) place of hot tank (211), and it is connected by the air outlet (2111) with the heater box (211)；

Piston unit (222), the piston unit (222) are arranged at the inside of the wind unit (221), it is along the outlet air list The length direction of first (221) reciprocatingly slides.

5. a kind of piston type air quantity according to claim 4 adjusts drying unit, it is characterised in that the wind unit (221) include：

Reciprocating screw rod (2211), the both ends of the reciprocating screw rod (2211) are rotatably dispose in the rack (1), its middle part is set The screw thread of cross-helicity setting is equipped with, and its one end is connected by way of belt transmission with driving motor (2216)；

Fixed end cap (2212), the fixed end cap (2212) are sheathed on the reciprocating screw rod (2211), itself and the heating One end air outlet (2111) of case (211) plugs together connection；

Outlet air roller (2213), the one end open of the outlet air roller (2213) are set, and the capping of its other end is set, and it is covered One end fixing sleeve of setting be arranged on the reciprocating screw rod (2211) on, the outlet air roller (2213) opening set one end with it is described Fixed end cap (2212) rotates socket, and some exhaust vents have uniformly been placed equidistant with the outer wall of the outlet air roller (2213)；

First air draught blade (2214), the first air draught blade (2214) are sheathed on the reciprocating screw rod (2211), its position In the interior one end of the outlet air roller (2213)；

Second air draught blade (2215), the second air draught blade (2215) are sheathed on the reciprocating screw rod (2211), its phase The other end in the outlet air roller (2213) is arranged at for the first air draught blade (2214).

6. a kind of piston type air quantity according to claim 5 adjusts drying unit, it is characterised in that the piston unit (222) include：

Reciprocating screw rod nut (2221), the reciprocating screw rod nut (2221) are sheathed on the spiral shell in the middle part of the reciprocating screw rod (2211) At line；

Piston (2222), the piston (2222) are arranged at the inside of the outlet air roller (2213), itself and the reciprocating screw rod Nut (2221) is fastenedly connected；

Connection ring (2223), one end that the connection ring (2223) is set with outlet air roller (2213) end cap are fastenedly connected, It is provided with the sliding slot of annular；

Optical axis (2224), the optical axis (2224) are symmetrically disposed on the both sides of the reciprocating screw rod (2211), its one end with it is described Fixed end cap (2212) is fixedly connected, its other end passes through the piston (2222), is rolled by roller (2225) and is arranged at institute In the sliding slot for stating connection ring (2223).

7. a kind of piston type air quantity according to claim 1 adjusts drying unit, further include and be arranged at the air-out component (22) dust collection mechanism (3) above, it is characterised in that the dust collection mechanism (3) includes：

Dust suction subassembly (31), the dust suction subassembly (31) are slided along the rack (1) vertical direction, it is located at the air-out component (22) surface；

Slide assemblies (32), the slide assemblies (32) are arranged between the dust suction subassembly (31) and rack (1), it is used for Dust suction subassembly (31) and rack (1) are connected, and it controls dust suction subassembly (31) to slide up and down；

Collection assembly of dust (33), the collection assembly of dust (33) are arranged at the side of the rack (1), its by dust collecting duct with it is described Dust suction subassembly (31) connects.

8. a kind of piston type air quantity according to claim 7 adjusts drying unit, it is characterised in that the dust suction subassembly (31) include：

Suction box (311), the suction box (311) are arranged at the surface of the air-out component (22), its lower end is arc-shaped Set, and some air inlet holes are evenly distributed with the lower face of its arc-shaped setting, the upper surface of the suction box (311) is by stretching Pipe (312) is connected with the collection assembly of dust (33)；

Dust absorption fan (313), the dust absorption fan (313) are located in the suction box (311), it is symmetrically disposed on the dust suction The both sides of case (311) upper surface, the dorsal part of the dust absorption fan (313) is the telescopic pipes (312).

9. a kind of piston type air quantity according to claim 7 adjusts drying unit, it is characterised in that the slide assemblies (32) include：

Some line slide rails (321), the line slide rail (321) are symmetrically disposed on the both ends of the dust suction subassembly (31), its edge The vertical direction of the rack (1) is set；

Some sliding blocks (322), the sliding block (322) are slideably positioned on the corresponding line slide rail (321), its with it is described Dust suction subassembly (31) is fixedly connected；

Screw (323), the screw (323) are rotatably dispose in the side of the rack (1), its vertical direction along rack (1) Set, and it drives rotation by the electric rotating machine (324) for being arranged on end；

Ball nut (325), the ball nut (325) are sheathed on the screw (323), itself and the dust suction subassembly (31) It is fixedly connected.

10. a kind of piston type air quantity according to claim 7 adjusts drying unit, it is characterised in that the collection assembly of dust (33) include：

Dust outline border (331), the dust outline border (331) are square setting, and end face passes through dust collecting duct and the dust suction thereon Component (31) connects, and does not have venthole on the side in its any three direction equidistantly, and remaining one side sets for opening Put；

Storehouse (332) in dust, storehouse (332) is that direction is set in the dust, it is located at the inside of the dust outline border (331), And its offer venthole towards the dust outline border (331) three sides on be both provided with filter core (333).