CN203401739U - Pressing drying machine - Google Patents

Abstract

The utility model provides a pressing drying machine. The pressing drying machine is applicable to the technology for pressing drying of biological products such as tobacco materials and traditional Chinese medicine after the biological products are soaked, and the technology for pressing and homogenization after refilling and feeding of materials are carried out. The pressing drying machine comprises a machine body, a pressing component and a drainage channel, wherein the pressing component and the drainage channel are arranged in the machine body, the pressing component comprises an upper annular row chain and a lower annular row chain, the upper annular row chain and the lower annular row chain are driven by a transmission device to run in the opposite directions, and a wedged gap is formed between the surface of the upper annular row chain and the surface, opposite to the surface of the upper annular row chain, of the lower annular row chain, namely, the size of a gap which is formed between the upper annular row chain and the lower annular row chain, and corresponds to the material feeding end is larger than that of a gap which is formed between the upper annular row chain and the lower annular row chain, and corresponds to the material discharging end. According to the pressing drying machine, the surface, making contact with materials, of the upper annular row chain, and the surface, making contact with the materials, of the lower annular row chain move in the same direction and at the same speed, a wedged pressing area is formed, the adjustable range of the pressing drying compression ratio of the materials is wide, continuous, stable and even pressing drying of the materials can be achieved, the defects that in the prior art, the size of a produced broken piece is large, the dryness of the materials which are pressed to be dry is uneven, and the degree of automation of devices is low are overcome, the requirement for development of high-efficiency extraction processing of cigarette processing materials and products such as the traditional Chinese medicine can be met, and the level of processing is improved.

Description

Squeezing machine

Technical field

The process equipment that the utility model relates to cigarette, Chinese medicine and adopts the plant product of similar processing technology to manufacture, particularly a kind of to soak rear material carry out extraction and squeezing and reinforced to backfill after material push the squeezing machine of homogenizing.

Background technology

Squeezing machine is the indispensable equipment of industry such as papermaking, pharmacy, cigarette.At paper industry, using press master is the washing for paper pulp, and to improve the recovery rate of paper pulp, same, it is also in order to improve the recovery rate of its material that pharmacy and cigarette industry are used squeezing machine.In the reconstituted tobacco production process of cigarette manufacturing enterprise, an important production process is exactly that the materials such as offal, tobacco cut, offal are soaked and extracted, and after material soaks by extractor, the effect of squeezing machine is exactly that the feed liquid after soaking is extruded.Squeezed these liquid of going out wherein comprise much moisture and solable matter, so more its efficiency of liquid that squeezing machine is extruded is also just higher, have finally also determined the height of material recovery rate.

By the development of decades, at present, all kinds of squeezing machines that China's relevant industries are used can meet Production requirement substantially.For example, the single-screw generally using at paper industry or double helix squeezing machine, twin-wire press etc., at cigarette and pharmaceutical processing industry, also generally use the screw squeezer principle equipment that is similar to paper industry, in order to adapt to better industry processing request, every profession and trade is also constantly brought forth new ideas aspect squeezing apparatus for this reason.

Chinese patent 201110400407.X provides a kind of biomass waste residue squeezer to the invention discloses a kind of biomass waste residue squeezer, it has headstock, power transmission shaft, bearing block, cone-type spiral axle, filtering net cylinder, lining net cylinder, reinforcement frame, casing and anti-slide cartridge, described filtering net cylinder, lining net cylinder, reinforcement frame and casing form a multi-layer combined type taper casing, large end one side of taper casing is provided with charging aperture, small end connects discharging opening, described anti-skidding wound packages is at taper casing small end discharging opening place, and its nozzle cross section is regular hexagon.This patent application is developed design for biomass materials such as waste sludge from paper mill, structure is unique, extruding efficiency is high, dehydration mass dryness fraction is large, not only can be applicable to the dehydration and drying of waste sludge from paper mill, and as wood chip, useless slurry, mud etc., also can realize powerful high-efficiency dehydration to other biomass garbage, have wide range of applications.

Chinese patent CN99206554.2 provides a kind of straw pulp black liquid pressing machine, comprises shell, helical axis and screen cylinder, and there are charging aperture and discharging opening in shell two ends, and helical axis is the cylindrical spiral of uniform pitch, and the footpath, the end of spiral is reducing; Screen cylinder becomes cylinder sparrow cage type by micro-shape bar hoop, and the filtrate outlet between grating and grating is elongated sieve seam, on screen cylinder internal diameter, has tread plate.This utility model is implemented extruding to become spiral bottom footpath to slurry; With elongated sieve seam, stop fiber to be overflowed with filtrate, thereby reach high extraction rate of black liquor.

Chinese patent 201110081338.0 discloses a kind of reed slag squeezing machine, driving motor, bearing block, extruding screw axis, casing, filtering net cylinder and anti-slide cartridge, consists of, and described extruding screw axis adopts reducing varying pitch structure, is diminished shaft.This patent application is developed design for biomass materials such as wet reed slags, structure is unique, extruding efficiency is high, dehydration mass dryness fraction reaches more than 50%, not only can be successfully applied to the dehydration and drying of wet reed slag, and as wood chip, waste residue, mud etc., also can realize high-efficiency dehydration to other biomass garbage, have wide range of applications, for biomass resource, recycle and solved a more outstanding equipment technology difficult problem, filled up blank.

The various forms of squeezing machines of foregoing invention, have solved preferably and have produced required existing problems.But, all there are some common problems, for example, because adopting helical axis, be main extruder member, during screw extrusion material, there is the effect pushing away of rubbing with the hands, material easily generation is made broken, and helical axis must will have higher quality of fit with corresponding extrusion body shell, and material must be full of just and can reach and extract effect therein, preparation and actual motion difficulty are large, adjustable function is less, and adaptability is poor.

Summary of the invention

Technical problem to be solved in the utility model is to provide a kind of squeezing machine of extracting technique and the extruding homogenizing process of backfill after reinforced after being applicable to tobacco, Chinese medicine and adopting the biological species product of similar processing technology to soak, to realize higher extracted rate, and can effectively reduce material and make broken.

The utility model comprises body, is arranged at extruder member and apocenosis passage in body; Extruder member comprises annular row chain and lower annular row chain, upper and lower annular row chain is moved in opposite directions by actuator drives, and between its opposite face, form wedge shape interval, between upper and lower annular row chain, the interval corresponding to material feeding end is greater than it corresponding to the interval of material discharge end.Upper and lower annular row chain is provided with enough width, to hold, is extruded material, makes equipment have enough processing capacity of extracting.

The utility model is by the upper and lower annular row chain of synchronous operation is in opposite directions set, and during operation, material is by upper and lower annular row chain synchronous transport, and by the formed wedge shape crush zone of forward surface of upper and lower annular row chain, the liquid soaking in material is extruded successively.In above-mentioned material extrusion process, do not exist spiral in existing squeezing machine to rub with the hands and push pressure, so material makes and brokenly significantly reduce, and smooth-going, brief because of its extrusion process, extruding efficiency improves.

For further raising equipment applicability, guarantee that material extracts effect, the utility model adopts lower annular row chain horizontal by angle, and this angle angle is fixed; Upper annular row chain is made as the mechanism that can rotate round single-revolution axle, and this gyroaxis is arranged on the top of body, and the drive roll of upper annular row chain and driven roll are separately positioned on the left and right sides of described gyroaxis; Two that are arranged on both sides, body front and back are pushed the piston rod of cylinder and the driven roll of upper annular row chain hinge.The air pressure of extruding cylinder can regulate and control within the scope of 0.1～0.7MPa.The mass dryness fraction that the setting of air pressure can be extracted according to material requires to determine, after having determined compression ratio, by Pneumatic Servo Control System, automatically regulate the air pressure of extruding cylinder, realize the squeeze pressure of annular row chain to material in automatic control, guarantee when upper annular row chain slightly changes to the crush resistance of material, upper annular row chain to the squeeze pressure of material all the time in pressure constant state, uniform and stable to guarantee to be extracted the mass dryness fraction of rear material.

For common tobacco, described annular row chain and lower annular row chain form material compression ratio range and are preferably 3～11, that is: between described upper and lower annular row chain, interval and its ratio corresponding to the interval of material discharge end corresponding to material feeding end is 3～11.By extruding cylinder piston rod stroke adjustment, interlock regulates the anglec of rotation of upper annular row chain wraparound spindle central to realize the adjusting of compression ratio.

For adjusting flexibly material feeding height and charging uniformity, the top corresponding to the feeding warehouse of material feeding section in body is provided with a homogenizing device, and the position of this homogenizing device can up-down adjustment.This homogenizing device can be an equal material roller, can adjust its upper-lower position according to material situation.

For guaranteeing the uniform and stable property of squeezed dry material discharging, the equal correspondence of drive roll of upper and lower annular row chain is arranged on the discharge end that is extruded rear material simultaneously.

In addition, in order further to accelerate the smooth and easy discharge of squeezed fluid in material, and simplified apparatus structure, the both sides side plate of described body is double-deck, the part of the corresponding crush-zone of interior plate is wherein for being provided with a plurality of outages, between interior plate and outer panel, be provided with suitable ，Gai gap, discharge opeing gap and lead to apocenosis passage, realize and discharge smoothly the liquid of extruding in squeezed material immediately.Simultaneously, lower annular row chain is provided with a plurality of outages, this outage is communicated with described apocenosis passage, and the liquid of extruding of discharging by the outage in lower annular row chain drops in the water-collecting tray arranging below lower annular row chain, realizes and discharges smoothly the liquid of extruding in squeezed material immediately.Described apocenosis passage comprises the water-collecting tray that is arranged on lower annular row chain below and the leakage fluid dram that is adjacent to the feed end setting of lower annular row chain.

For preventing that row chain is corroded, reduce plant maintenance amount, upper and lower annular row chain adopts high-strength alloy copper or manufactures with performance material, and the chain link of each row chain adopts from the reed formula of taking and connects.Body adopts corrosion resistant plate to be welded, and separates and be welded into firmly rigidity body between two outer panels with steel plate, and above-mentioned whole parts are installed on body.

In order to prevent that material from skidding, upper and lower annular row chain and material contact-making surface are provided with non-slip groove.In addition, adopt driving reductor to drive, guarantee the extrudate charge level synchronous operation in the same way of upper and lower annular row chain, avoid material in extrusion process, occurs stranding push away phenomenon cause make broken.

Upper and lower annular row chain described in the utility model is driven by a driving reductor, the one side synchronous operation in the same way that upper and lower annular row chain contacts with material; Transmission device comprises driving reductor, three chain wheel set and a gear mesh.Each chain wheel set forms by drive sprocket, driven sprocket and tensioner sprocket wheel, wherein, the drive sprocket of the first chain wheel set is connected with driving the output shaft of reductor, the driven sprocket of the first chain wheel set is coaxially connected with the drive sprocket of the driving gear of gear mesh and the second chain wheel set, the driven sprocket of the second chain wheel set is coaxially connected with the drive sprocket of the 3rd chain wheel set, and the driven sprocket of the driven gear of gear mesh and the 3rd chain wheel set is coaxially connected with the drive roll of lower annular row chain and upper annular row chain respectively.

The utility model drives reductor to adopt variable frequency adjustment, and the speed of service of upper and lower annular row chain is by driving reductor to regulate, and upper and lower row chain travel line speed is (1～8) m/min, and row chain belt speed is 1m/min～8m/min.The flow that the travel line speed of upper and lower row chain can be extracted rear mass dryness fraction and demand according to material comes variable frequency adjustment to drive the rotating speed of reductor to realize to regulate.

Material can be realized continuously, steadily be extracted to the utility model, not only overcome that existing screw squeezer is existing makes the shortcomings such as the uniform and stable property of broken large, squeezed dry material mass dryness fraction is poor, automation degree of equipment is low, and met tobacco, Chinese medicine and adopted the biological species product high efficiency extraction of similar processing technology to extract the growth requirement of processing technology, improved working ability and the level of processing of relevant industries.With respect to the existing kind equipment of extracting, the utlity model has following advantage:

1, device structure modern design, small volume, energy consumption is low, is beneficial to explained hereafter and arranges.

2, the automatization level of equipment is high, and compression ratio and to extract pressure adjustable controlled is applicable to multiple different operating mode demand;

3, device structure is simple, reliable, noise is low, and operation and maintenance is convenient.

Accompanying drawing explanation

Fig. 1 is the utility model general structure schematic diagram;

Fig. 2 is the top view of Fig. 1;

Fig. 3 is that Fig. 1 is along E-E cross section structure schematic diagram;

Fig. 4 is that driving device structure described in the utility model is arranged schematic diagram;

Fig. 5 is drive unit transmission principle schematic diagram described in the utility model;

Fig. 6 is annular row chain structural representation described in the utility model;

Fig. 7 is that upper and lower annular brass chain wedge pressure contracting described in the utility model is than the structural representation that is at 3 o'clock;

Fig. 8 is that upper and lower annular brass chain wedge pressure contracting described in the utility model is than being 11 o'clock structural representations;

Fig. 9 is that row chain chain link described in the utility model is taken formula syndeton schematic diagram from reed;

In above figure: 1: leg; 2: drive unit; 2-1: drive reductor; 2-2: the first chain wheel set drive sprocket; 2-3: the first chain wheel set chain; 2-4: the first chain wheel set expansion tightening wheel; 2-5: the first chain wheel set driven sprocket; 2-6: driving gear; 2-7: driven gear; 2-8: the second chain wheel set drive sprocket; 2-9: the second chain wheel set chain; 2-10: the second chain wheel set expansion tightening wheel; 2-11: the second chain wheel set driven sprocket; 2-12: the 3rd chain wheel set drive sprocket; 2-13: the 3rd chain wheel set chain; 2-14: the 3rd chain wheel set expansion tightening wheel; 2-15: the 3rd chain wheel set driven sprocket; 3: body; 4: pneumatic control unit; 4-1: gas circuit element; 4-2: cylinder 1; 4-3: cylinder 2; 5: lower annular row chain; 5-1: lower arrayed chain drive roll; 5-3: lower arrayed chain driven roll; 6: upper annular row chain; 6-1: upper row chain drive roll; 6-2: gyroaxis; 6-3: upper row chain swelling device; 6-4: upper row chain driven roll; 7: equal material roller; 8: water-collecting tray; 9: row chain joint;

A: charging aperture; B: discharging opening; C: the direction of rotation of upper annular row chain when carrying out compression ratio adjustment; D: floss hole catchments; F: extruded segment; G: feed zone.

The specific embodiment

As shown in Fig. 1,2 and 3, the utility model comprises the parts such as leg 1, drive unit 2, body 3, pneumatic control unit 4, lower annular row chain 5, upper annular row chain 6, equal material roller 7, water-collecting tray 8.The bottom of body 3 is provided with the under-chassis 1 of 4 or more numbers, and under-chassis 1 is the support of equipment as a whole, possesses height adjusting function simultaneously, and under-chassis 1 can be used to regulate the integral device requirement that is up to the standard simultaneously.Body 3 is to be welded by corrosion resistant plate, the left and right sides plate of body 3 is to adopt double-decker design, in the corresponding crush-zone of interior plate, be provided with a plurality of outages, its with corresponding outer panel between be provided with suitable gap, form drainage space, between two outer panels, with steel plate, separate and be welded into firmly rigidity body, above-mentioned whole parts are installed on body 3.

As shown in Figure 1, the utility model comprises charging aperture A, feed zone G, extruded segment F and discharging opening B.Wherein, on the top of the feeding warehouse of feed zone G, be provided with equal material roller 7, all material roller 7 can be adjusted upper-lower position according to material situation, adjusts entry level and uniformity.The extruded segment F wedge shape crush zone that the forward surface of upper annular row chain 6, lower annular row chain 5 forms of serving as reasons, its compression ratio is adjustable.The drive end of row chain is exactly the discharging opening B of squeezed dry material.

As shown in Figure 8, when compression ratio is set as 3, the small end of the wedge shape crush zone between upper annular row chain 6, lower annular row chain 5 is spaced apart 150mm, and the large end of the wedge shape crush zone between upper annular row chain 6, lower annular row chain 5 is spaced apart 450mm; As shown in Figure 9, when compression ratio is set as 11, the small end of the wedge shape crush zone between upper annular row chain 6, lower annular row chain 5 is spaced apart 50mm, and the large end of the wedge shape crush zone between upper annular row chain 6, lower annular row chain 5 is spaced apart 550mm.

As shown in Fig. 1,2,3 and 6, lower annular row chain 5 has certain angle with horizontal plane, and this angle is fixed; If need to carry out compression ratio adjustment, upper annular row chain 6 can be round gyroaxis 6-2 center, and as shown in C, direction of rotation direction is rotated, and is respectively equipped with row chain drive roll 6-1 and upper row chain driven roll 6-4 in the gyroaxis 6-2 left and right sides; The piston rods that are arranged on two extruding cylinder 4-2,4-3 on the front and back biside plate of body 3 are hinged with the two ends of upper row chain driven roll 6-4 respectively.The air pressure of extruding cylinder 4-2,4-3 can be realized within the scope of (0.1～0.7) MPa and being regulated by pneumatic control unit 4.The mass dryness fraction that the setting of air pressure can be extracted according to material requires to determine, after having determined compression ratio, by Pneumatic Servo Control System, automatically regulate the air pressure of extruding cylinder 4-2,4-3 to realize the squeeze pressure of annular row chain 6-1 to material in automatic control, on guaranteeing when upper annular row chain 6-1 slightly changes to the crush resistance of material annular row chain 6-1 to the squeeze pressure of material all the time in pressure constant state, uniform and stable to guarantee to be extracted the mass dryness fraction of rear material.

Meanwhile, the chain link of upper and lower annular row chain adopts connecting from the reed pattern of taking as shown in Figure 9, and each chain link arranges dog and the groove of mutual interlock.On upper row chain 6-5 and lower arrayed chain 5-2, be equipped with a plurality of outages.In order to prevent that material from skidding, on each, row chain 6-5 is provided with non-slip groove with the surface that lower arrayed chain 5-2 contacts with material, and in addition, upper row chain 6-5 and lower arrayed chain 5-2 are manufactured by rustless high-strength alloy copper or equal performance materials.

As shown in Figure 1,3 liang of interior plates of body described in the utility model are the plate (outage does not draw) that is provided with a plurality of outages in corresponding crush-zone, between interior plate and outer panel, be provided with certain gap, can effectively guarantee that material is in extrusion process, the liquid of extruding in material is discharged from both sides, in addition, upper row chain 6-5 and the lip-deep hole of lower arrayed chain 5-2 are also the passages of draining.While being extruded, part water flows to its lower arrayed chain driven roll 5-3 place floss hole D that catchments along lower arrayed chain 5-2 surface discharges, more water is to discharge the gap between two inner side orifice plates and outer panel, and the water-collecting tray 8 that is all aggregated into afterwards lower annular row chain 5 bottoms settings is discharged through the floss hole D that catchments.

As shown in Figure 4,5, annular row chain 6 described in the utility model, lower annular row chain 5 are realized and being driven by drive unit 2 by same driving reductor 2-1, and the rotating speed of upper annular row chain 6, lower annular row chain 5 is synchronous, and driving reductor 2-1 is frequency control.The flow that the speed of upper row chain and lower arrayed chain can be extracted rear mass dryness fraction and demand according to material comes variable frequency adjustment to drive reductor 2-1 rotating speed to realize adjusting.

As Fig. 4, shown in Fig. 5, drive unit 2 described in the utility model comprises and drives reductor 2-1 and three groups of chain wheel set and a gear mesh, be specially the first chain wheel set drive sprocket 2-2, the first chain wheel set chain 2-3, the first chain wheel set expansion tightening wheel 2-4, the first chain wheel set driven sprocket 2-5, driving gear 2-6, driven gear 2-7, the second chain wheel set drive sprocket 2-8, the second chain wheel set chain 2-9, the second chain wheel set expansion tightening wheel 2-10, the second chain wheel set driven sprocket 2-11, the 3rd chain wheel set drive sprocket 2-12, the 3rd chain wheel set chain 2-13, the 3rd chain wheel set expansion tightening wheel 2-14, the 3rd chain wheel set driven sprocket 2-15.

The mode that is specifically in transmission connection is as shown in Figure 5: the drive sprocket 2-2 of the first chain wheel set is connected with driving the output shaft of reductor 2-1, the driven sprocket 2-5 of the first chain wheel set and the driving gear 2-6 of gear mesh, and the drive sprocket 2-8 of the second chain wheel set coaxially connects, the driven sprocket 2-11 of the second chain wheel set is coaxially connected with the drive sprocket 2-12 of the 3rd chain wheel set, and the driven sprocket 2-15 of the driven gear 2-7 of gear mesh and the 3rd chain wheel set is coaxially connected with upper row chain drive roll 6-1 with lower arrayed chain drive roll 5-1 respectively.

During actual motion, after soaking, material is tentatively removed with the free water of mixing of materials and is tentatively entered the charging aperture A of the utility model main process equipment after homocline by high-frequency oscillation dewatering screen (or with effect equipment), the material that enters charging aperture A is by after homogenizing device 7 uniform distributions, and material enters uniformly in the wedge shape extruded segment G that annular copper gang chain 6 and lower annular copper row chain 5 form and extracts or push homogenizing.According to supplied materials amount number and extract the demand of rear material mass dryness fraction, pressure and stroke by pneumatic control unit 4 auto-adjustment controls extruding cylinder 4-2,4-3 regulate suitable compression ratio and extract pressure, to guarantee to be extracted the water uniformity of rear material.The osculum that the water of separating after extracting above arranges by upper copper gang chain 6-5 and lower copper gang chain 5-2 and two inner side orifice plates of body 3 and the gap between outer panel are pooled to water-collecting tray 8, and through catchmenting, floss hole D discharges.

In a word, the upper and lower annular copper row chain in homogenization installation of extracting or push that the utility model provides contacts copper gang chain simultaneously with squeezed dry material, and synchronized in the same way motion also forms wedged gap, and it is large that material is extracted compression ratio adjustable extent.The utility model is realized and continuously, steadily, is evenly extracted material, and overcome that existing screw squeezer is existing makes the shortcomings such as broken larger, squeezed dry material moisture is uneven, automation degree of equipment is low, the development need that can meet Chinese medicine, Cigarette processing material high-efficiency extraction processing, improves level of processing.

Claims (12)

1. a squeezing machine, comprise body, be arranged at extruder member and apocenosis passage in body, it is characterized in that: described extruder member comprises annular row chain and lower annular row chain, described upper and lower annular row chain is moved in opposite directions by actuator drives, and between its opposite face, form wedge shape interval, between described upper and lower annular row chain, the interval corresponding to material feeding end is greater than it corresponding to the interval of material discharge end.

2. squeezing machine according to claim 1, is characterized in that: described lower annular row chain is horizontal by angle, and angle angle is fixed; Described annular row chain can be rotated round single-revolution axle, and this gyroaxis is arranged on the top of body, and the drive roll of upper annular row chain and driven roll are separately positioned on the left and right sides of described gyroaxis; Two that are arranged on both sides, body front and back are pushed the piston rod of cylinder and the driven roll of upper annular row chain hinge.

3. squeezing machine according to claim 2, it is characterized in that: it is 3～11 that described annular row chain and lower annular row chain form material compression ratio range, that is: between described upper and lower annular row chain, interval and its ratio corresponding to the interval of material discharge end corresponding to material feeding end is 3～11.

4. squeezing machine according to claim 2, is characterized in that: the top corresponding to the feeding warehouse of material feeding section in body is provided with a homogenizing device, and the position of this homogenizing device can up-down adjustment.

5. squeezing machine according to claim 2, is characterized in that: the drive roll of described upper and lower annular row chain is all corresponding to the discharge end setting that is extruded rear material.

6. squeezing machine according to claim 1, it is characterized in that: the both sides side plate of described body is for double-deck, interior plate wherein arranges outage corresponding to the part of crush-zone, is provided with discharge opeing gap between interior plate and outer panel, and this discharge opeing gap is communicated with described apocenosis passage.

7. squeezing machine according to claim 1, is characterized in that: on the chain link of described lower annular row chain, outage is set, this outage is communicated with described apocenosis passage.

8. squeezing machine according to claim 7, is characterized in that: described apocenosis passage comprises the water-collecting tray that is arranged at lower annular row chain below, and is adjacent to the leakage fluid dram of the feed end setting of lower annular row chain.

9. squeezing machine according to claim 1, is characterized in that: the chain link of described upper and lower annular row chain adopts and connects from the reed mode of taking.

10. squeezing machine according to claim 1, is characterized in that: described upper and lower annular row chain and material contact-making surface arrange non-slip groove.

11. according to the squeezing machine described in claim 1-10 any one claim, it is characterized in that: described upper and lower annular row chain is driven by a driving reductor one side synchronous operation in the same way that upper and lower annular row chain contacts with material, described transmission device comprises driving reductor, three chain wheel set and a gear mesh, each chain wheel set includes drive sprocket, driven sprocket, tensioner sprocket wheel, wherein, the drive sprocket of the first chain wheel set is connected with the output shaft of motor reducer, the driven sprocket of the first chain wheel set and the driving gear of gear mesh, and the drive sprocket of the second chain wheel set coaxially connects, the driven sprocket of the second chain wheel set is coaxially connected with the drive sprocket of the 3rd chain wheel set, the driven sprocket of the driven gear of gear mesh and the 3rd chain wheel set is coaxially connected with the drive roll of lower annular row chain and upper annular row chain respectively.

12. squeezing machines according to claim 11, is characterized in that: described driving reductor is variable frequency adjustment, and the speed of service of described upper and lower annular row chain is by driving reductor to regulate, and row chain belt speed is 1m/min～8m/min.

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