CN212882803U

CN212882803U - Double-screw squeezer

Info

Publication number: CN212882803U
Application number: CN202021339664.8U
Authority: CN
Inventors: 刘同良; 刘亚男
Original assignee: Zhengzhou Wanrun Renewable Resources Equipment Co ltd
Current assignee: Zhengzhou Wanrun Renewable Resources Equipment Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-04-06
Anticipated expiration: 2030-07-09

Abstract

The utility model discloses a double-screw squeezer, which belongs to the technical field of juicing equipment and comprises a frame, a crushing mechanism for primarily crushing fruits and an extruding mechanism for squeezing the fruits cut by the crushing mechanism into juice, wherein the extruding mechanism is arranged on the frame, and a crushed material feed inlet of the extruding mechanism is connected with a crushed material outlet of the crushing mechanism; the utility model discloses a rubbing crusher constructs and tentatively cuts the piece to fruit and smashes, then smashes the extrusion to fruit piece through extrusion mechanism, through two processes, accomplishes the purpose of squeezing juice to fruit, and fruit squeezing degree is good, and it is high to go out the juice rate, in addition the utility model provides a tear the material subassembly and adopt two spirals, reverse spiral to the structure of cutter, can be with comminuted more tiny, crushing degree is big, the later stage extrusion juice of being convenient for.

Description

Double-screw squeezer

Technical Field

The utility model belongs to the technical field of the equipment of squeezing the juice, concretely relates to double helix squeezer.

Background

The fruit can improve the flavor of the fruit, improve the edible value and the economic benefit and effectively prolong the fruit supply time by processing the fruit.

At present, a lot of fruits are juiced by cutting the fruits into pieces through a stirring knife, the juicing degree of the fruits is not enough, and moisture still exists in the crushed fruit scraps, so that the actual juice yield of the fruits is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a double-screw squeezer, which comprises a frame, a crushing mechanism for primarily crushing fruits, and an extruding mechanism for extruding the fruits crushed by the crushing mechanism into juice, wherein the extruding mechanism is arranged on the frame, and a crushed material feed inlet of the extruding mechanism is connected with a crushed material outlet of the crushing mechanism; the utility model discloses a rubbing crusher constructs and tentatively cuts the piece to fruit and smashes, then smashes the extrusion to the fruit piece through extrusion mechanism, through two processes, accomplishes the purpose of squeezing the juice to fruit, and fruit squeezing degree is good, and the juice rate is high.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a double-screw squeezer comprises a rack, a crushing mechanism and an extruding mechanism, wherein the extruding mechanism is arranged on the rack, and a crushed material feeding port of the extruding mechanism is connected with a crushed material outlet of the crushing mechanism; the crushing mechanism comprises a crushing box, a feed inlet is formed above the crushing box, a crushed material outlet is formed in the bottom of the crushing box, and a tearing assembly is arranged in the crushing box; the tearing assembly comprises a driving tearing shaft provided with a driving tearing cutter disc and a driven tearing shaft provided with a driven tearing cutter disc, the driving tearing shaft and the driven tearing shaft are arranged in parallel, the driving tearing cutter disc comprises a driving disc body connected with the driving tearing shaft and a plurality of forward cutters uniformly arranged along the peripheral direction of the driving disc body; the driven tearing cutter disc comprises a driven disc body connected with the driven tearing shaft and a plurality of reverse cutters uniformly arranged along the peripheral direction of the driven disc body; the active material tearing cutter disc and the driven material tearing cutter disc are arranged in a crossed mode at intervals, one side portion, close to the forward cutter and the reverse cutter, of the forward cutter is overlapped in a crossed mode, and the material tearing driving mechanism is used for driving the material tearing assembly to conduct smashing on materials.

Further, the initiative is torn the material blade disc and is a plurality of, and the initiative is torn the material blade disc and is star type structure, the driven material blade disc that tears is a plurality of, and the driven material blade disc that tears is star type structure.

Furthermore, the forward cutters are obliquely arranged, and the plurality of forward cutters integrally form a clockwise rotary cutter; the reverse cutters are obliquely arranged, the reverse cutters integrally form a cutter rotating counterclockwise, and the oblique directions of the forward cutters and the reverse cutters are opposite.

Furthermore, a first guard plate row group and a second guard plate row group are arranged on the inner walls of the two sides of the crushing box respectively along the length directions of the driving tearing cutter disc and the driven tearing cutter disc, the first guard plate row is arranged on one side close to the driving tearing cutter disc, the first guard plate row group comprises a plurality of first guard plates which are arranged at intervals, and gaps between adjacent first guard plates are matched with the corresponding forward cutters and allow the corresponding forward cutters to rotate and slide; the second backplate row group includes the second backplate that a plurality of intervals set up, and the clearance between the adjacent second backplate just allows corresponding reverse cutter to rotate the slip with corresponding reverse cutter adaptation.

Furthermore, the tearing driving mechanism comprises a tearing motor, a driving gear and a driven gear, wherein the first end of the driving tearing shaft extends out of the crushing box and is connected with a power output shaft of the tearing motor, the second end of the driving tearing shaft is rotatably connected with the crushing box, and the position, close to the end part, of the second end of the driving tearing shaft is connected with the driving gear; driven tear material axle both ends respectively with smash the case and rotate and be connected, the position that driven tear material axle second end is close to the tip is equipped with the driven gear who is connected with the driving gear meshing.

Further, extruding means includes recipient and extrusion bull stick, is equipped with juice outlet district and waste residue export on the recipient, and the extrusion bull stick transversely passes the recipient both ends and extrudes the bull stick both ends and all lie in outside the recipient, and the first end of extrusion bull stick is connected with the power take off pivot of squeezing the motor, and the afterbody supporting part rotation in extrusion bull stick second end and the frame is connected, and the one end that the recipient is close to the afterbody supporting part is equipped with the waste residue export, is located to be equipped with positive helical blade and anti-helical blade on the extrusion bull stick in the recipient, anti-helical blade sets up the one end of being close to the waste residue export.

Further, the length of the positive helical blade on the extrusion rotating rod is greater than that of the negative helical blade on the extrusion rotating rod; the squeezing rotating rod at the waste residue outlet is sleeved with a juicing screen, the head of the juicing screen is of a conical structure, the head of the juicing screen extends into the waste residue outlet, and the periphery of the head of the juicing screen and the inner wall of the caliber of the waste residue outlet form a channel for discharging waste residues.

Furthermore, the length of the head part of the juicing screen extending into the waste residue outlet is adjustable, the juicing screen is horizontally and slidably connected with the extrusion rotating rod, and the tail part of the juicing screen is connected with a slag discharging adjusting mechanism for adjusting the length of the juicing screen extending into the waste residue outlet.

Furthermore, the slag discharging adjusting mechanism comprises a juicing pressure spring and a juicing adjusting nut in threaded connection with the extrusion rotating rod, the juicing pressure spring sleeve is arranged on the extrusion rotating rod, one end of the juicing pressure spring is connected with the tail of the juicing screen, the other end of the juicing pressure spring is in abutting rotary connection with the juicing adjusting nut, and the juicing adjusting nut is connected with a handle.

Furthermore, the juice outlet area is provided with a plurality of fine holes for liquid and residue passing, a juice collecting hopper is arranged below the juice outlet area, and a juice outlet is arranged at the bottom of the juice collecting hopper; and a slag discharging hopper is arranged at the waste residue outlet.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a rubbing crusher constructs and tentatively cuts the piece to fruit and smashes, then smashes the extrusion to fruit piece through extrusion mechanism, through two processes, accomplishes the purpose of squeezing juice to fruit, and fruit squeezing degree is good, and it is high to go out the juice rate, in addition the utility model provides a tear the material subassembly and adopt two spirals, reverse spiral to the structure of cutter, can be with comminuted more tiny, crushing degree is big, the later stage extrusion juice of being convenient for.

2. The utility model provides an extrusion mechanism adopts and sets up positive helical blade and anti-helical blade on the extrusion bull stick, because when the extrusion bull stick rotates, anti-helical blade on it and positive helical blade carry the opposite direction of material, like this, receive anti-helical blade to the propulsive fruit mud of waste residue export by positive helical blade, anti-helical blade gives the propulsive force in the opposite direction of fruit mud simultaneously, the fruit mud that is stirred garrulous receives the extrusion at positive helical blade and anti-helical blade's juncture, this kind of structural design is simple and practical, it is effectual to extrude, initiatively tear material blade disc and driven tear material blade disc structural design simple and practical, and through the initiative disk body, driven disk body is installed and is torn the material axle at corresponding initiative, it is epaxial to tear the driven material, equipment easy maintenance.

3. The length of the positive helical blade on the extrusion rotating rod is greater than that of the reverse helical blade on the extrusion rotating rod, so that the whole helical blade is ensured to be normally discharged from the waste residue outlet by the fruit residues passing over the reverse helical blade through enough propulsive force.

4. The utility model discloses the cover is equipped with the screen cloth of squeezing the juice on the extrusion bull stick of well waste residue exit, and the head of the screen cloth of squeezing the juice is the toper structure, and the connection of after section of the screen cloth of squeezing the juice has the guiding mechanism that slags tap that is used for adjusting the screen cloth head of squeezing the juice and stretches into the interior length of waste residue exit, stretches into the interior length of waste residue exit through the adjustment screen cloth head of squeezing the juice, changes the interval between the bore inner wall of the head periphery of the screen cloth of squeezing the juice and waste residue export, reaches the purpose of.

5. The utility model provides a guiding mechanism that slags tap adopts the pressure spring of squeezing the juice and adjusting nut complex mode, adopt the pressure spring of squeezing the juice to make the screen cloth of squeezing the juice have certain spring at the horizontal direction and return and contract deformation, when a large amount of fruit residues gathering is at reverse helical blade rear, the extrusion force that the screen cloth of squeezing the juice received can the grow, the screen cloth of squeezing the juice can be towards the direction that withdraws from the waste residue export under the extrusion and slide, and backward extrusion pressure spring of squeezing the juice, make waste residue passageway grow, the screen cloth of squeezing the juice is according to receiving the extrusion degree, but right amount automatic adjustment waste residue passageway size.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a cross-sectional view of the present invention;

FIG. 4 is a schematic view of the crushing assembly of the present invention;

FIG. 5 is another schematic view of the size reduction assembly of the present invention;

fig. 6 is a schematic structural view of a first guard plate in the present invention;

FIG. 7 is a schematic structural view of the active material tearing cutter head of the present invention

In the figure: the automatic juice squeezing machine comprises a machine frame 100, a crushing box 201, a driving tearing cutter disc 301, a driving disc body 3011, a forward cutter 3012, a driven tearing cutter disc 302, a first protection plate 401, a first screw 4011, a second protection plate 402, a second screw 4021, a tearing motor 501, a driving gear 502, a driven gear 503, a squeezing barrel 601, a squeezing rotating rod 602, a tail supporting part 603, a juice collecting hopper 604, a slag discharging hopper 605, a forward spiral blade 606, a reverse spiral blade 607, a squeezing driving mechanism 700, a juice squeezing screen 800, a juice squeezing pressure spring 901 and a juice squeezing adjusting nut 902.

Detailed Description

For a better understanding of the present invention by those skilled in the art, the present invention will be further described with reference to the following detailed description:

as shown in fig. 1 to 7, a double screw press comprises a frame 100, a crushing mechanism for primarily crushing fruits, and an extruding mechanism for extruding the fruits crushed by the crushing mechanism into juice, wherein the extruding mechanism is arranged on the frame 100, and a crushed material inlet of the extruding mechanism is connected with a crushed material outlet of the crushing mechanism.

Crushing mechanism is equipped with the feed inlet including crushing case 201, crushing case 201 top, and crushing case 201 bottom is equipped with the crushed aggregates export, smashes the incasement and is equipped with the tear material subassembly.

Tear the material subassembly including the initiative tear material axle that is equipped with initiative tear material blade disc 301, be equipped with the driven tear material axle that material blade disc 302 was torn in the driven of being equipped with, the initiative tears material blade disc 301 to be a plurality of, initiative tear material blade disc 301 in this embodiment is 8, every initiative tear material blade disc 301 all includes the initiative disk body 3011 with the initiative tear material hub connection, a plurality of forward cutters 3012 that evenly set up along the outer aid circumference of initiative disk body, the initiative tears material blade disc 301 to star type structure, it is preferred, forward cutter 3012 inclines to set up, a plurality of forward cutters 3012 whole forms clockwise rotation to the cutter.

The material blade disc 302 is torn from the drive and is a plurality of, and the material blade disc 302 is torn from the drive in this embodiment is 8, and every material blade disc 302 is torn from the drive all includes with the driven disk body of tearing material hub connection, a plurality of along the driven disk body add up the reverse cutter that circumference evenly set up outward, and the material blade disc 302 is torn from the drive for star type structure, preferred, the reverse cutter slope sets up, and a plurality of reverse cutters form the cutter of anticlockwise rotation.

It should be noted that the single active tear cutter 301 is configured in accordance with the single slave tear cutter 302.

Initiatively tear material blade disc 301 and follow and tear material blade disc 302 and separate interval cross arrangement at initiative and tear the material axle, follow and tear the material epaxially, initiatively tear the material axle, the turning to of follow tearing the material axle is to rotate in opposite directions, initiatively tear material blade disc 301 and single follow and tear material blade disc 302 installation completion back, forward cutter on it, reverse cutter's incline direction is the orientation in opposite directions, and a side part alternately coincide that forward cutter and reverse cutter are close to mutually, this kind of structural design, there is a decurrent propulsive force to kibbling material.

Smash 201 both sides inner wall of case respectively along initiative tear material blade disc 301, from tearing material blade disc 302 length direction and being equipped with first backplate row group and second backplate row group, first backplate row group sets up in the one side that is close to initiative tear material blade disc 301, specific first backplate row group sets up in crushing case 201 be close to left inner wall department, first backplate row group includes first backplate 401 that a plurality of intervals set up, a plurality of first backplate 401 are connected through first screw 4011, first screw 4011 both ends are connected in crushing case 201 respectively, clearance and corresponding forward cutter adaptation between the adjacent first backplate 401 just allow this forward cutter to rotate and slide.

The second backplate is arranged the group and is set up in crushing case 201 near right side inner wall department, and the second backplate is arranged the group and is included the second backplate 402 that a plurality of intervals set up, and a plurality of second backplate 402 pass through second screw 4021 and connect, and second screw 4021 both ends are connected in crushing case 201 respectively, and the clearance between the adjacent second backplate 402 just allows this reverse cutter to rotate and slide through with corresponding reverse cutter adaptation.

Still carry out kibbling tear material actuating mechanism to the material including drive tear material subassembly, tear material actuating mechanism and include tear material motor 501, driving gear 502, driven gear 503, the power take off hub connection that smashes case 201 and tear material motor 501 is stretched out to initiative tear material axle first end, the crushing case 201 is stretched out to initiative tear material axle 301 second end, initiative tear material axle second end connection has driving gear 502, initiative tear material blade disc 302 sets up and tears the material epaxially in the initiative that lies in crushing case 201.

Driven tear material axle both ends rotate with crushing case 201 respectively and are connected, and the position that driven tear material axle second end is close to the tip is equipped with driven gear 503 of being connected with the driving gear 502 meshing, and driven tear material blade disc 304 sets up on being located the driven tear material axle of smashing the incasement 201.

Because the epaxial driving gear 502 of initiative tear material is connected with the epaxial driven gear 503 meshing of driven tear material, consequently, initiatively tear the material axle, the rotation that turns to of driven tear material axle is opposite, initiatively tear the material axle in this embodiment and take place opposite rotation with driven tear material axle, initiatively tear the material axle, the slope direction that the material axle of driven tearing takes forward cutter and reverse cutter respectively is opposite direction, this kind of structural design, when tearing material actuating mechanism and moving, on the one hand forward cutter and reverse cutter cut up the material, on the other hand, there is a decurrent propulsive force to kibbling material, ensure that the material gets into extrusion mechanism after tearing the material subassembly and smashing.

The cross coincide of one side part that forward direction cutter and reverse cutter in this embodiment are close to mutually, and this kind of structural design can carry out the interlock to the material and cut up, and crushing degree is big, and the later stage extrusion mechanism of being convenient for squeezes juice.

Specifically, the extrusion mechanism in this embodiment includes an extrusion cylinder 601 and an extrusion rotating rod 602, the extrusion rotating rod 602 transversely passes through two ends of the extrusion cylinder 601 and both ends of the extrusion rotating rod 602 are located outside the extrusion cylinder 601, a first end of the extrusion rotating rod 602 is connected to an extrusion driving mechanism 700 that drives the extrusion rotating rod to rotate, the extrusion driving mechanism includes an extrusion motor (a large rotating wheel and two small driven rotating wheels in the extrusion driving mechanism form a speed reducing mechanism), a second end of the extrusion rotating rod 602 is rotatably connected to a tail supporting portion 603 on the frame 100, the tail supporting portion 603 includes a bearing housing and a bearing cover, and a second end of the extrusion rotating rod 602 is mounted in the bearing housing through a bearing.

The squeeze tube 601 bottom is equipped with the juice outlet district, and the juice outlet district is equipped with the pore that the sediment was hindered to a plurality of logical liquid, and juice outlet district below department is equipped with juice and collects fill 604, and juice is collected and is fought 604 bottoms and be equipped with the juice discharge port. One end of the extrusion cylinder 601 close to the tail supporting part 603 is provided with a waste residue outlet, and the waste residue outlet is provided with a slag discharge hopper 605.

The extrusion rotating rod 602 positioned in the extrusion cylinder 601 is provided with a forward helical blade 606 for pushing the fruit puree to move towards the waste residue outlet and a reverse helical blade 607 for blocking the fruit puree to move towards the waste residue outlet, the forward helical blade 606 is arranged close to the crushed aggregate feeding hole of the extrusion mechanism, and the reverse helical blade 607 is arranged at one end close to the waste residue outlet.

The rotation direction of the forward spiral blade 606 is opposite to that of the reverse spiral blade 607 on the pressing rotary rod 602, and the length of the forward spiral blade 606 on the pressing rotary rod 602 is greater than that of the reverse spiral blade 607 on the pressing rotary rod 602, and preferably, the length of the forward spiral blade 606 on the pressing rotary rod 602 is 3 times that of the reverse spiral blade 607 on the pressing rotary rod 602, that is, if the length of the reverse spiral blade 607 on the pressing rotary rod 602 is d, the length of the forward spiral blade 606 on the pressing rotary rod 602 is 3 d.

When the squeezing motor works, the squeezing rotating rod 602 rotates, the forward spiral blade 606 performs re-smashing on the material falling into the squeezing barrel 601, the smashed material is pushed towards the direction of the position of the waste residue outlet, when the material moves to the position of the reverse spiral blade 607, the reverse spiral blade 607 stops the material, the reverse spiral blade 607 gives a reverse force to the material and pushes the material to be pushed towards the direction far away from the position of the waste residue outlet, the material is squeezed between the forward spiral blade 606 and the reverse spiral blade 607, moisture in the material flows into the juice collecting hopper 604 from the juice outlet area, and after the material is squeezed, the fruit residues pass through the reverse spiral blade 607 and are discharged from the waste residue outlet.

The squeezing rotating rod 602 at the waste residue outlet is sleeved with the juicing screen 800, the head of the juicing screen 800 is of a conical structure, the head (small end) of the juicing screen 800 extends into the waste residue outlet, and the periphery of the head of the juicing screen 800 and the inner wall of the caliber of the waste residue outlet form a channel for discharging waste residue. The water remaining in the material is squeezed again when the material waste residue is discharged from the waste residue, and flows into the juice collecting funnel 604. In order to adjust and control the waste residue discharge amount and the extrusion degree of the fruit residues at the waste residue channel according to needs, the length of the head of the juicing screen 800 extending into the waste residue outlet is designed to be adjustable.

The juicing screen 800 is horizontally connected with the extrusion rotating rod 602 in a sliding manner, the tail part of the juicing screen 800 is connected with a slag discharging adjusting mechanism for adjusting the length of the juicing screen 800 extending into the waste slag outlet, the larger the length of the head part of the juicing screen 800 extending into the waste slag outlet is, the smaller the waste slag channel formed by the periphery of the head part of the juicing screen 800 and the inner wall of the waste slag outlet is.

The slag discharging adjusting mechanism comprises a juicing pressure spring 901 and a juicing adjusting nut 902 in threaded connection with the squeezing rotating rod 602, the juicing pressure spring sleeve 901 is arranged on the squeezing rotating rod 602, one end of the juicing pressure spring 901 is connected with the tail of the juicing screen 800, the other end of the juicing pressure spring 901 is in contact with the juicing adjusting nut 902 to be rotationally connected, in order to adjust the juicing adjusting nut 902 conveniently, a handle is arranged on the juicing adjusting nut 902 in the embodiment, the position of the juicing adjusting nut 902 relative to the squeezing rotating rod 602 is changed by rotating the handle, the length of the head of the juicing screen 800 extending into the waste residue outlet is adjusted, the distance between the periphery of the head of the juicing screen 800 and the inner wall of the caliber of the waste residue outlet is adjusted, and the purpose.

By arranging the juicing pressure spring 901, the juicing screen 800 has certain elastic retraction deformation in the horizontal direction, when a large amount of fruit residues are gathered behind the reverse helical blade 607 (between the reverse helical blade and the waste residue outlet), the juicing screen 800 has a tendency of moving towards the outer side of the waste residue outlet under extrusion, the juicing screen 800 backwards extrudes the juicing pressure spring 901, so that the waste residue channel is enlarged, and the juicing screen 800 can properly and automatically adjust the size of the waste residue channel according to the extrusion degree.

It should be noted that a control cabinet is arranged on the rack 100, a controller is arranged in the control cabinet, a start button and a stop button are arranged on the control cabinet, signal output of the controller is connected with signal control ends of the tearing motor and the squeezing motor, and signal input of the controller is connected with a power button, the start button and the stop button. When the material tearing machine is used, the power supply is switched on, and then the working states of the material tearing motor 501 and the squeezing motor are controlled through the start key and the stop key.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A double-screw press is characterized in that: the crushing device comprises a rack (100), a crushing mechanism and an extruding mechanism, wherein the extruding mechanism is arranged on the rack (100), and a crushed material feeding port of the extruding mechanism is connected with a crushed material outlet of the crushing mechanism; the crushing mechanism comprises a crushing box (201), a feed inlet is formed above the crushing box (201), a crushed material outlet is formed in the bottom of the crushing box (201), and a tearing assembly is arranged in the crushing box (201); the material tearing assembly comprises a driving material tearing shaft provided with a driving material tearing cutter head (301) and a driven material tearing shaft provided with a driven material tearing cutter head (302), the driving material tearing shaft and the driven material tearing shaft are arranged in parallel, the driving material tearing cutter head (301) comprises a driving cutter body (3011) connected with the driving material tearing shaft and a plurality of forward cutters (3012) uniformly arranged along the peripheral direction of the driving cutter body (3011); the driven tearing cutter disc (302) comprises a driven disc body connected with the driven tearing shaft and a plurality of reverse cutters uniformly arranged along the peripheral direction of the driven disc body; the material cutterhead (301) is torn in initiative and the material cutterhead (302) is torn in driven interval alternately to be set up, and forward cutter (3012) and reverse cutter are close to one side part alternately coincide mutually, still including the drive tear the material subassembly and carry out kibbling tear the material actuating mechanism to the material.

2. The twin screw press according to claim 1, wherein: the initiative is torn material blade disc (301) and is a plurality ofly, and initiative is torn material blade disc (301) and is star type structure, driven material blade disc (302) of tearing is a plurality ofly, and driven material blade disc of tearing is star type structure.

3. The twin screw press according to claim 2, characterized in that: the forward cutters (3012) are obliquely arranged, and the plurality of forward cutters (3012) form a clockwise rotary cutter integrally; the reverse cutters are obliquely arranged, the reverse cutters integrally form a cutter rotating counterclockwise, and the oblique directions of the forward cutter (3012) and the reverse cutter are opposite.

4. The twin screw press according to claim 3, characterised in that: the inner walls of two sides of the crushing box (201) are respectively provided with a first guard plate row group and a second guard plate row group along the length direction of the driving tearing cutter disc (301) and the driven tearing cutter disc (302), the first guard plate row is arranged on one side close to the driving tearing cutter disc (301), the first guard plate row group comprises a plurality of first guard plates (401) which are arranged at intervals, gaps between the adjacent first guard plates (401) are matched with the corresponding forward cutters (3012) and allow the corresponding forward cutters (3012) to rotate and slide; the second guard plate row group comprises a plurality of second guard plates (402) arranged at intervals, and gaps between the adjacent second guard plates (402) are matched with the corresponding reverse cutters and allow the corresponding reverse cutters to rotatably slide through.

5. The twin screw press according to claim 4, characterized in that: the tearing driving mechanism comprises a tearing motor (501), a driving gear (502) and a driven gear (503), wherein the first end of the driving tearing shaft extends out of the crushing box (201) and is connected with a power output shaft of the tearing motor (501), the second end of the driving tearing shaft is rotatably connected with the crushing box (201), and the driving gear (502) is connected to the position, close to the end part, of the second end of the driving tearing shaft; two ends of the driven tearing shaft are respectively rotatably connected with the crushing box (201), and a driven gear (503) meshed and connected with the driving gear (502) is arranged at the position, close to the end, of the second end of the driven tearing shaft.

6. The twin screw press according to any one of claims 1-5, characterised in that: extrusion mechanism includes recipient (601) and extrusion bull stick (602), be equipped with juice outlet area and waste residue export on recipient (601), extrusion bull stick (602) traversing recipient (601) both ends and extrusion bull stick (602) both ends all are located outside recipient (601), extrusion bull stick (602) first end is connected with drive extrusion bull stick (602) pivoted extrusion actuating mechanism (700), extrusion bull stick (602) second end is rotated with afterbody supporting part (603) on frame (100) and is connected, one end that recipient (601) are close to afterbody supporting part (603) is equipped with the waste residue export, be located and be equipped with positive helical blade (606) and anti-helical blade (607) on extrusion bull stick (602) in recipient (601), anti-helical blade (607) set up the one end that is close to the waste residue export.

7. The twin screw press according to claim 6, characterised in that: the length of the positive helical blade (606) on the extrusion rotating rod (602) is greater than that of the negative helical blade (607) on the extrusion rotating rod (602); the squeezing rotating rod (602) at the waste residue outlet is sleeved with a juicing screen (800), the head of the juicing screen (800) is of a conical structure, the head of the juicing screen (800) extends into the waste residue outlet, and a channel for discharging waste residues is formed between the periphery of the head of the juicing screen (800) and the inner wall of the caliber of the waste residue outlet.

8. The twin screw press according to claim 7, wherein: the length of the head part of the juicing screen (800) extending into the waste residue outlet is adjustable, the juicing screen (800) is horizontally and slidably connected with the extrusion rotating rod (602), and the tail part of the juicing screen (800) is connected with a slag discharging adjusting mechanism for adjusting the length of the juicing screen (800) extending into the waste residue outlet.

9. The twin screw press according to claim 8, wherein: the slag discharging adjusting mechanism comprises a juicing pressure spring (901) and a juicing adjusting nut (902) in threaded connection with an extrusion rotating rod (602), the juicing pressure spring (901) is sleeved on the extrusion rotating rod (602), one end of the juicing pressure spring (901) is connected with the tail of the juicing screen (800), the other end of the juicing pressure spring (901) is abutted against the juicing adjusting nut (902) to be rotatably connected, and a handle is connected to the juicing adjusting nut (902).

10. The twin screw press according to claim 9, wherein: the juice outlet area is provided with a plurality of fine holes for liquid and residue passing, a juice collecting hopper (604) is arranged below the juice outlet area, and the bottom of the juice collecting hopper (604) is provided with a juice outlet; and a slag outlet (605) is arranged at the waste residue outlet.