JPS58501111A - Screw press for liquid extraction - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] Screw press for liquid extraction Background of the invention 1. Field of invention The present invention relates to a screw press for extruding liquids from fruits or vegetables or the like. particularly those remaining in such fruits and vegetables after prior evacuation or pressurization. Concerning screw presses for extracting liquids.

2. Description of prior art Screw presses are widely used in the food industry to extrude liquids from solids or semi-solids. has been used. The main use of this press is in the grape and wine industry. I The co-pending international patent application PC74581-00613 is based on Use it as a pre-drainer to remove the naturally flowing juice from the grapes. This is about a screw press. The disclosed pre-drainage press is a grape mass Advantageously, approximately 80% of the available juice is removed from the drain. Therefore, the pre-drainage machine? The mass must be relatively dry. Prior art screw press , there are difficulties in handling very dry materials. Most of such screw presses is a large pre-pitch feed extending approximately half the length of the press barrel. A pressure screw is used. The remainder of the barrel is open and the closing door placed at the outer end. The material introduced into the first screw row of the feed screw is and collected in a chamber formed by the open area of the press and the closed door. It will be done. As more and more material accumulates, a cake builds up within this area. , the force from the lead screw forces the cake against the end door. various designs A has been used. However, by applying a restraining force or back pressure to the door, the pressure on the cake can be reduced. The door must be able to open only when this back pressure is exceeded. Once As the cake builds up and the ingredients continue to be pumped into this press, the liquid , the squeezing material that is squeezed out of a cake of material and usually forms the wall of the barrel of the press. Go through lean. These liquids are collected for further processing.

The material that is forced out of the door when it opens is then collected as waste.

Prior art presses typically used a top-hinged door, and once the door was pressed Once fully opened, there is difficulty in applying the required back pressure. This type of screw An improved door structure in a press is disclosed in U.S. Pat. No. 4, issued to Hunt. , 117,776, which uses a circular door with a flat surface, This circular door uses a coil spring to maintain the back pressure on the door while the press releases. It can be opened by sliding horizontally on an axis concentric with the door. The door is on its inside surface. A mechanical mechanism that engages the cutter rod on the surface and the door with the shaft that rotates with the feed screw. It incorporates a friction clutch. Therefore, the back pressure of the spring is due to the force of the cake. When overcome, the door opens by sliding backwards and rotates by engaging the clutch. and separate the cake that exits through the door opening. The driver disclosed in this patent Although the door structure is superior to hinged doors, it is not easily adjustable. There are drawbacks.

If various types of fruits and vegetables should be completely dehydrated, as explained below If so, the press operator must be able to control the back pressure on the door.

When the stroke is completed using Hunt's patented press, the barrel and lead screw are , must be washed. For this purpose, the feed screw and the feed screw drive shaft are The door is mounted on the carino and the lead screw is pulled completely out of the barrel for cleaning. It is now possible to do so. This arrangement is relatively complex and expensive.

Most prior art presses are relatively slow in building up the cake within the pressurized chamber. , usually additives such as paper straw and its similar, to make the cake set faster is introduced, but increases the cost of liquid extraction and reduces efficiency. The present invention Overcomes the above-mentioned problems with prior art devices and uses pre-drained or relatively dry material. Provides a screw particularly suitable for materials.

Detailed description of the invention The invention is particularly suited for final pressurization of pre-drained grapes and similar fruits. Adapted screw press type liquid extraction device. This screw press has a US Patent No. 4. Represents an improvement to the screw press section of No. 117,776 (Hunt). Ru. This press consists of an elongated cylindrical bar divided into a feed pressure area and a pressure chamber area. Use rails or cages. The walls of the pressure chamber area and part of the walls of the feed pressure area are Constructed from a filter screen or the like through which the discharged liquid can pass. Ru. The feed compression screw is a circular screw with a large pitch screw attached to it. It is formed from a cylinder and is arranged in the feed pressure area of the press barrel. hydraulic drive A concentric drive shaft passing through the screw body is used to rotate the feed screw through the unit. be done.

The forward part of the feed pressure area allows the material to be fed under its own weight into the press. It is an enclosed inlet area with an inlet opening at the top.

A circular door is disposed at the end of the pressurized chamber and tapers to engage an opening in the chamber and bulkhead. It has a rim. Circular door can slide with feed pressure screw drive shaft extending through the door and is supported at its outer end by a bearing frame or billow block. . Therefore, the inward external pressure acting on the door is equal to the outward pressure from the inside of the room. Push the door away until the external pressure is overcome and the door is forced to slide rearward along the drive shaft. Keep it closed. In order to effectively pressurize or squeeze the material in the pressurized chamber , it is necessary to maintain the desired pressure opposite the outside of the door, and various different Give a uniform percentage of liquid extraction, as the materials may require different pressures. It is important that the operator accurately control this pressure in order to achieve the desired results. press A new hydraulic system with a hydraulic actuator mounted on the rear frame The operating rond applies pressure to the rear door through the extended bearing assembly. Ru. The hydraulic pressure is in the direction of pushing the iron outward, and the hydraulic actuator piston Added to tons. Adjustable pressure relief valve reduces the pressure applied to the actuator Hydraulic actuator inlet that can be set to release at a selected pressure above the coupled between the conduit and the outlet conduit. Therefore, the bar against the inside surface of the door The pressure of the material in the pressurized area of the valve exceeds the hydraulic pressure and the safety valve is bypassed. When the door is pushed backwards along the drive shaft, the material becomes a highly compressed plastic. allowing it to be pushed out of an opening in the rear plate in the form of a log or log. door also includes a plurality of cutter rods attached to and projecting from the inner surface thereof. Contains. When the door is opened by internal pressure, the clutch switch closes mechanically. The electric clutch moored to the drive shaft and the door is engaged, and the door is moved at the speed of the drive shaft. Rotate in degrees. The cutter then encounters a compressed plastic that increases in the pressurized area during operation. The logs or logs are sheared, allowing the pieces to be collected and transported away.

During operation, the material to be dewatered is passed into the inlet opening of the press and into the feed screw. Introduced into the first stage train. During the first start-up, the incoming material flows 5 to 60 times per minute. The material is quickly transported into the pressurized chamber along the rotating feed screw. Enter the entrance Designed to prevent material from slipping, the lead screw quickly fills the pressurized chamber. I can do it.

As the pressurization chamber becomes filled, additional material that is forced backwards fills the pressurization area. Begin compressing the material to form a plug or cake within. when the cake is formed , the pressure squeezes the liquid from the material, and this liquid passes through the screen and into the screw press. It is collected in the pot below. After a solid cake is formed, the feed screw is often As the pressure continues to increase, the wiping action of the screw thread face and the cake act against the cake. Both compression of the material in the cake squeezes liquid out of the cake. The pressure is increases to the point where it is forced rearward against the hydraulic pressure and engages the clutch. When the rear door rotates with the cutter blade rotating at the same rotational speed as the screw feed But if you cut the cake successively, the incoming material will fill the expelled parts. It becomes possible to change. This action is maintained if the inlet is maintained with sufficient head material. It will continue as long as it lasts. The dryness of the expelled cake is removed from the incoming material This indicates the percentage of liquid remaining when the rear door is opened. It is highly controlled and therefore controllable by the operator through adjustment of the hydraulic pressure. child The pressure of can be determined for various types of materials to be pressurized. child The pressure can also be controlled by the rotational speed of the feed screw, which is Provides additional variables to optimize yield for specific materials. This rotation speed degree to maintain the desired head of material in the hole above the inlet opening. is also adjusted.

Minimizing the amount of solids in juice is important in winemaking systems and other liquid extraction systems. desirable in output systems.

When making wine, the process of removing stems generally introduces a significant amount of solids and Sometimes the body appears in the juice. Hence, separating the juice from the solids In order to minimize the time and expense of It is important to add as much as possible. A mesh screen has a filtration effect on solids. can be selected to give However, solids can clog the screen. Tendencies that lead to deterioration must be avoided. Easy filter screen after the process It is also important to clean the scales quickly and efficiently. In addition, a wide range of grapes are processed. Or filter tasks to design the optimal filter mesh for the type of fruit. It is desirable to change lean. In prior art machines, such changes In order to do this, a field of screens was needed. According to the invention, we , the screen can be cleaned very easily and quickly and the press can be prepared for the next run. We have provided a hinged structure that can be used as Similarly, the method of attaching the hinges can be This allows for easy interchange of screens.

The filter screen of the present invention includes a plurality of filter screens arranged to have a screen area. A pair of semi-circular cross-section cylindrical cages with a screen frame from circumferential ribs includes. Therefore, the screen frame can also be fitted with strips along the outer edge. One half of the cylinder is represented. A pivot pivots a series of inserted hinge blocks. It is arranged parallel to the drive shaft of the feed screw. The two cage areas are pushed to one side. It is attached at the bottom to the hinge block that forms the hinge and has two screws. The opening in the cage area moves this area downwards and outwards to completely clean the lead screw. It is supposed to be. The two halves of the screen are normally displayed when the unit is in operation. It is fixed at the top when.

When cleaning is required, the roots holding the top edges of the screen area together are removed. It is removed and the two halves are opened.

In this respect, the inner surface of the screen is similar to the lead screw, door and cutter. Easy access for rinsing, scrubbing and cleaning. school Lean attaches to the screen frame by means of mounting strips fastened to the edges of the frame. Installed to. With the screen in the open position, the screen can be easily removed. It can be replaced.

The preferred drive system for the reservoir of the present invention is a hydraulic drive system powered by an electric motor. Use the system. Therefore, the drive motor for the lead screw gives control of the speed This is a hydraulic unit that controls the hydraulic pressure used for this purpose.

Therefore, the electric motor serves to drive the hydraulic pump to provide hydraulic pressure. It's just one thing. Hydraulic motors transfer this energy with constant torque regardless of speed. It is advantageous to communicate. The hydraulic system also applies pressure to the end door pressure assembly. supply power.

Therefore, the main object of the present invention is to provide juices available from fruits, vegetables and the like. Provides a screw type press particularly suitable for use as a final press for extracting It is to be.

Another object of the invention is to provide a pre-drainage system to remove free-flowing juices. for removing residual portions of usable juice from harvested grapes or the like; The purpose of the present invention is to provide a screw type press.

Yet another object of the invention is to have an inlet opening matched to the pitch of the lead screw. , thereby eliminating slippage of the wet input material and allowing the material to pass through the press. An object of the present invention is to provide a screw type press that provides positive feeding.

Yet another object of the invention is to move a predetermined head of material in the hopper above the inlet. As mentioned above, the rotation speed of the feed screw is adjustable, so as to be able to maintain An object of the present invention is to provide a screw press having the following characteristics.

Another object of the present invention is to clean the screen without disassembling the filter cane. It has a filter cane that is hinged to open it completely for replacement. The purpose of the present invention is to provide a screw type press.

Still another object of the invention is to transmit energy with constant torque for various rotational speeds. The purpose of the present invention is to provide a screw type press with a hydraulic drive system that reaches the desired speed.

These and other objects and advantages of the invention will be apparent from the following detailed description taken in conjunction with the accompanying drawings. It becomes clear when you read it.

Brief description of the drawing FIG. 1 is a sectional view of the frame of the present invention showing the feed pressure screw and the pressurizing chamber. Details of the switch and hydraulic assembly have been omitted.

Figure 2 shows one filter screen cage section in its normal operating position. Shown in cutaway view and in its open position for cleaning or changing the screen. Figure 3 is a partial perspective view of the screw press showing another cage section;

Figure 3 is a cross-sectional view of the filter screen, showing its open position in a hypothetical manner. Figure 1 shows a rear door with a protruding cutter.

FIG. 4 is a top view of the door pressure system, showing the pressurized chamber in cross-section.

FIG. 5 is a schematic diagram of the hydraulic door pressure system and clutch 7 stem.

FIG. 6 is a highly simplified schematic diagram of the power system of the present invention.

Detailed description of preferred embodiments FIG. 1 shows a longitudinal section through a preferred embodiment of a screw press. Nejipu The framework of the loess consists of four transverse bulkheads mounted on the bed or pace 5. Immediately the front bulkhead 10 mounted through the front bearing 11 for the shaft 26; Rear bulkhead 14 with opening 13: an inlet hole between the front bulkhead lO and the inlet bulkhead 17 an inlet bulkhead 17 utilized to support the unong 32; and generally indicated at 40; The rear cage section serves to divide the cage section into a forward feeding section 51 and a rear pressurization chamber 45. It consists of a middle partition wall 12 provided between a side partition wall 14 and an entrance partition wall 17. cage area 4 0 is the series supporting the stainless steel screen 42 forming the inner wall of the cage 40. A screen frame 41 (see FIG. 2) consisting of circumferential ribs 49 is formed. ing. The details of the structure of the cage will be explained below. Therefore, a substantially cylindrical input The mouth housing 32 and the cage section 40 have an elongated feed pressure screw generally designated 20. Forms a cylindrical housing. As can be seen from FIG. 6, the screw 20 is attached to the drive shaft 2. It consists of a cylindrical base or body portion 22 spaced apart from and mounted thereto. screw A spiral screw 24 is attached to the surface of the body portion 22 and connects the walls of the cage 40 and the inlet nozzle. An outer diameter with sufficient clearance to rotate inside the tongue 32 without interfering with it. has. The pitch and diameter of the helical screw 24, the diameter of the body portion 22, and the length of the press The characteristics of the material to be pressed, the nature of the liquid to be expressed, and the material to be handled. The parameters can be selected according to the volume and required output. for example , we used a pitch delivery of 30 (:rrL) for the final pressurization of grapes and similar fruits. I prefer that the total length of the screw and the barrel of the press is 2.4384 m. Therefore, For the length of the barrel or cage shown in Figure 1, approximately 37 threads The cage has a reed section, and the length of the cage is approximately the same as that of the pressurized chamber section. we pressurize We have found that this ratio of the length of the feed section to the length of the chamber is particularly effective. . An aft circular door 16 with a tapered edge opens the tapered opening in the aft bulkhead 14. It fits into the section 13. The pressure generated by the feed pressure screw 20 is as detailed below. External pressure is utilized to hold the door 16 closed against pressure. When the shaft 26 is rotated in the direction indicated by arrow A, the material in the space between the threads 24 is moved longitudinally along the press and tends to be deposited in the pressurizing chamber 45. . Assuming that the row of steps between the screw 24 and the pressurizing chamber 45 is filled with filler material, the By continuing the pressure of the screw 20 facing the A 16, the volume of the material is gradually reduced. You may notice that Therefore, the liquid contained in the material is squeezed It will emerge and pass through the screen 42 between the ribs 49. This liquid is It is collected by the pot 54 in the tank 5 and drawn out through the outlet as shown by the solid arrow C. I can do it. As seen in FIG. 2, a stainless steel cover 56 covers the bulkhead 17. ．． 12. Used above 14 and extends downwards to connect to pace 5 to prevent fluid loss , direct this liquid into the pot 54. When liquid is removed from a material and pressure increases , the door 16 is opened as shown by the arrow, and the remaining portion is opened in the opening 1 in the rear bulkhead 14. 3, push it out, feed it, and remove it for disposal as shown by the solid arrow F in Figure 5. It is pushed out into the rector 52. The feed pressure screw 20 has a manually variable speed indicated at 62. It is driven via the shaft 26 from a hydraulic drive unit 60 that includes a control device. Feed screw 2 The rotation speed of 0 is a design parameter and depends on the material to be pressurized and the desired output. Therefore, although we have the option of extruding juice from grapes, we It is preferable to use a suitable 5-60 revolutions per revolution box.

Presses of the invention with grapes or similar fruits that tend to slip when wet In prior art screw presses, it is difficult to obtain positive bending when using encounter. Wet chunks of fruit like this have a tendency to slip at the entrance of the press. As a result, output decreases.

To overcome this problem, we have determined the optimal parameters of the inlet area 32 and the inlet throat 30. I decided on the meter. According to our invention, the vertical length of the opening of the inlet throat 30 is , is limited to 1.5 times or less the pitch of the threads 24 of the helical screw, and the input The mouth housing 32 surrounds the lower portion of the screw 24 to at least half its circumference. It is also necessary to However, for most applications, approximately 75 inches of circumference is sufficient. Preferably surrounded. Fruits such as grape must are placed in hopper 5. 0, the mast passes through the inlet throat 30 as shown by solid arrow B. and flows into the generally enclosed area of the inlet housing 32. sending When the screw 20 rotates, the mast is carried by the screw 24 and the body 22. Any tendency to slip is substantially prevented. Part of the mast The mast in the hopper 50 when conveyed into a completely enclosed circumference over 30 Assuming that is maintained at an appropriate level, the pumping or suction effect is The result is a continuous flow of the mast along the press. Cheating. If the mast is very wet, the operator will assist in starting the feed. Therefore, the shaft 26 may be operated at a higher than normal speed. However, the product As soon as the polar feed begins, the pump action and suction effect are maintained according to the invention. Ru.

Referring to the rear door 16 in FIG. It can be seen projecting through a bushing 19 supported therein and extending rearwardly.

Therefore, the shaft 26 can rotate with respect to the door 16.

When there is no material in the press, the door 16 is omitted from FIG. 1 but shown in FIG. It is maintained in the closed position by a hydraulic system 70 shown in the top view. de A 16 has a joint to a throw-out bearing assembly 80. A drive pipe 84 protrudes in the direction, and a slot engaged with the clutch pipe 82 by a pin 83. 85. The make-up bearing assembly includes a thrust roller bearing and a ball bearing 81 (best seen in the cross-sectional view of Figure 1).

As shown in FIG. 4, a hydraulic actuator 72 is mounted on the rear frame 25. and those actuator rods 71 are attached to additional bearings 80. . When hydraulic pressure is applied to actuator 72 through its inlet line, the pressure A force is maintained on the door 16 as shown by arrow PH. Actuator rod 7 1 is supported by a support bushing 73.

As shown in the schematic diagram of the clutch and hydraulic system in Figure 5, the safety valve 94 is activated. 72 in parallel. The increase in the cake pressure PC in the pressurizing chamber 45 , when the pressure PH from the hydraulic system is sufficient to overcome, the lower aero It is pushed backwards as shown by mark G. The electric clutch 90 is connected to the shaft of the bin 89. 26 has one side coupled to the drive tube 82 and the other side coupled to the drive tube 82. withdrawal When opened, the shaft 26 is free to rotate with respect to the door 16. clutch switch 86 is mounted on the support bracket 7 and is connected to the switch actuator by the clamp 88. It is operated by an arm 87 fastened to the air rod 71. Therefore, door 1 Rearward movement of 6 closes switch 86 and engages clutch 90. next, The clutch drive 'W82 rotates the door drive pipe 84 at a rotational speed of shaft 260, as described below. , to aid in the release of waste material from the pressurized chamber 45. As can be seen from Figure 4, The door drive tube 84 is inserted into the tube 82 in sliding engagement with the slot 85 in the door drive tube 84. Connected to the clutch drive tube by a pin 83, the length of the slot 85 is determined by the desired drive tube. selected for the aperture amount. The door opening amount before the clutch 90 is engaged is determined by the actuator. Move the switch rod clamp 88 along the eta rod 71, thereby Adjustment can be made by varying the point at which switch 86 closes. In Figure 5 A simplified schematic diagram of the hydraulic and clutch system is shown in Figure 1. 6 is in its open position. Cake pressure PC exceeds hydraulic pressure pH and valve 94 is released, allowing the door 16 to move outward, and the switch arm 87 switch 86 is closed. The magnet coil 92 in the electromagnetic clutch 90 is excited. , rotate the door 16 in the direction shown by arrow A. Cake 100 is pushed out and its The front side is cut into pieces by a cutter as shown by solid arrow F.

Having explained the basic functional elements of the screw press of the present invention above, its operation will now be explained. Describe the typical usage.

As mentioned above, in the wine industry, the free-flowing juices produced during stem removal operations are The base or liquid must be removed from the mast before the final pressurization. both Preliminary drainage system described in pending international patent application No. PC74581-00613 When using the Must be.

Therefore, pre-drained masts are equipped with prior art settling tanks and drag screens. Dry significantly more than is possible. The mast from the pre-drainage device is shown in solid line in Figure 1. It is sent into the hopper 50 as shown by arrow B. The mast enters through the throat section 30. Upon entering the housing 32, the operator controls the desired feed pressure screw speed via the controller 62. Set.

This speed means that the discharged mass) F (Fig. 5) is pressurized and the usable juice is certain types of grapes to achieve a degree of actual dryness that squeezes out virtually all of the is determined in advance. The required rotation speed is the head of the mast in Hotsuno or 50. It is also influenced by. If there is insufficient head, maintain aggressive feed. encounter difficulties in holding it. Therefore, the flow rate from the pre-drainage device is should be sufficient to maintain the If the speed i is too high for the head If the lead is lost, only a partial feed will occur and the train will not be completely filled. Not possible. Therefore, the mast moves quickly through the press and only partially presses. It is drained leaving excess juice behind. As can be seen, the operator The speed control device 6 monitors the head in the rubber 50 and controls the speed controller 6 to compensate for head fluctuations Easily maintain the pre-drainage system at its optimal production by adjusting the I can do it.

During start-up, the operator should set the high speed in order to fill the pressurized chamber faster and produce the desired cake. The feed pressure screw 20 can be operated at 100 degrees. The pitch of the feed screw is 306L. , when the length of the press is about 2.4384 m, we can make the cake in about 5 minutes. I can do it. When the chamber is full, continuous feeding will cause the mast to become stiff and stiff. The remaining juice is passed through the screen 42 between the lips 49. and push it out, then collect it in the pot 54.

After the cake is formed in chamber 45, everything inside the feed pressure screw 20 of the press is , is effective in dejuicing the mast. After the mast leaves the first train , the press as it is forced by the screw 20 against the screen and cake. to be squeezed or squeezed. The new mast is constructed through a series of screw stages with a relatively small volume. Displaces slow-moving cake material fed through the inlet. cake is the last It is mainly pushed out from the rear door 16 by the thrust or rubbing action of the pitch of the screw step row. be done. When the mast in the screw thread row also becomes packed, the screw A rubbing action occurs between the surface and the cake, which significantly aids in squeezing out the juice.

After all of the available juice has been removed, it is necessary to drive off the dry cake. It is essential. As previously mentioned, the pressure of the cake by the feed pressure screw 20 is applied to the door 16. The cylindrical cake is discharged or pushed through the opening 15 by overcoming the hydraulic pressure against it. It becomes possible to be brought out. Door 16 has a plurality of covers projecting from its interior surface. It has a cutter blade 18. The optimal profile of the blade 18 is in the direction of rotation A as shown in FIG. It turned out to have an arcuate shape with a moving convex surface. Preferable blade 18 The cross-sectional contour is found to have smoothly rounded edges and is caused by sharp edged blades. This prevents the cake from digging into the surface of the cake. blade 18 The overhang can be 3.811 or less depending on the material to be pressed. 1.27 mm is preferred for pressurizing most grapes. door 1 6 opens, clutch 90 engages to rotate door 16 with shaft 26. So Therefore, the cutter blade 18 acts on the protruding cake to cut or remove the dry material. is crushed and this dry material can fall into the collector 52 as waste material. It is Noh. As the cake is disposed of, additional cake is pushed out and more The mast of enters the entrance 30. The work is therefore substantially continuous. The operator is In order to ensure that the head in the input hole is maintained, The moving speed can be changed within certain limits. The discharged mast is periodically checked for dryness. can be tested.

As will be appreciated, the optimum yield for the remaining liquid is different for different types or types. The optimum pressure and feed rate are determined experimentally with future use in mind. I can do it◇ Referring to Figure 2, it significantly simplifies the daily maintenance of the press and provides flexibility of use. The following describes some aspects of the present invention. FIG. 2 is a partial perspective view of the press of the present invention. Yes, some parts have been omitted and other parts have been cut out for clarity. Open The improvements shown relate to the screen cage 40. Intermediate septum 12 and rear septum The area of the press between the 56 is partially cut away to reveal the exterior of cage 40. anterior cage Area 40 is shown with cover 56 removed and cages 40a,b cleaned or Opened for screen replacement. As can be seen, the cage 40 is It includes two semi-cylindrical sections hinged at the edges. I paid attention to the rear area. When in the closed or operating state, the two t minutes are connected to the mounting strip. Drop A2 1. The screen frame attachment is connected to the rod 15 with bolts 47. vinegar To open a clean cage? The fourth screen is removed and the area of the screen is It is opened in such a way. To thoroughly clean the lead screw, the hinge should be The extension block 46 and the pivot 48 are multi-shaped. Hinge extension tabs to help you notice. The lock 46 extends the pivot line a short distance below the cage 40 and connects the two cages. The halves 4'Oa and 40b move downwardly and outwardly when opened as shown by arrow E. It has become. This design allows for mesh rinsing, scrubbing, and other cleaning. This advantageously completely exposes the inner wall surface of the screen 42. If the press , with different materials or different types of fruit that require different mesh sizes or shapes. If the screen mounting strips 44 are to be used next, attach the screen mounting strips 44 to the frame 41. The screen 42 can be easily changed by removing the screws that hold it in place. I can do it. New screens with the required mesh design can be easily refitted. Wear. Various screen materials can be used depending on the material to be pressed. Hello, Unitsuno Wire (WED) can handle a wide range of menonyu and designs. Clean slot manufactured by GE-WIRE Corporation A material known as LEEN-3LOT) screen is preferred. this The new cage design also prevents the feed from moving when the cage 40 is in its open position. to facilitate cleaning of the lead screw 20 since all areas of the same are easily accessible; Can be done.

Therefore, in order to clean the screen and feed screw before the next stroke, the present invention Little downtime is required in this case.

The arrangement of the preferred embodiment of the cage 40 is shown in FIG. 3 which also shows the shape of the cutter blade 18. It is shown in more detail in a cross-sectional view. When the rear bulkhead 14 is in its normal closed position, Shown with a rear cage 40 formed by two cage halves 40a and 40b. There is. A offset hinge 46 is pivotally mounted on a pivot 48 and connects sections 40a and 40b of the cage. However, a mounting strip 43 is secured to the vertical top stay 15 by a bolt 47.

By removing the bolt 47, the cages 40a, 40b are swung, and the virtual It can be opened as shown at E to areas 40a' and 40b'. rear door 16 is seen to have an arcuate cutter blade 18 disposed on its front face. aforementioned As shown in FIG. Rotate and separate the extruded cake 100 as shown in FIG. convex blade 18 was found to produce an efficient cutting action.

As previously mentioned, it is preferable to use a hydraulic drive unit to power the press. Delicious. Figure 6 generally shows a highly simplified block diagram of the drive system. are doing. Basically, it drives a hydraulic pump 61 having a tank 65 that supplies hydraulic fluid. For this purpose, an electric motor 66 is utilized. The hydraulic drive unit 60 is driven by a knob 62. It includes a hydraulic motor with a motor speed controller 63 which is controlled by the motor.

The main advantage of this hydraulic drive system is that it can withstand speed fluctuations over the normal range of hydraulic motors. In addition, a constant torque is applied. The hydraulic pressure from the I pump 61 is The pressure control device 96 is used to operate the door pressure system 70. used by the operator to control the pressure of the Pressure relief valve or bypass valve 9 4 can be adjusted to suit the selected operating pressure.

Although specific embodiments of the invention have been described for purposes of illustration, the details shown in the figures are should not be limited to certain departments.

For example, a hydraulic or mechanical clutch rather than a clever electromagnetic clutch may be used. Changes in press dimensions and capacity are possible, and many other modifications are possible. be obvious to those skilled in the art that depart from the spirit and scope of the invention. isn't it.

Engraving (no changes to the content) FIG.3 FIG. 5 Procedural amendment (method) 5a”112 Showa year, month, day Commissioner of the Patent Office 3. Person who makes corrections Relationship to the case: Applicant Mr. Hunt Arthur Noey (1 other person) 4. Agent

Claims (1)

[Claims] 1. It comprises a frame 5, a cylindrical pressurization chamber 51 and a pressurization chamber 45, said pressurization chamber having a screen wall 42 for passing the extracted liquid and extending through said chamber. a rotary drive shaft 26 concentric with said shaft arranged at the front of said pressure chamber for compressing materials such as fruits, vegetables, or the like against said screen wall of said chamber; In a screw press for extracting liquid from said material, having a helical feed compression screw 20: at the outlet end of said cylindrical pressure chamber 45 for closing said chamber before the pressurization operation. arranged a flat circular door 16, said circular door being slidably engaged with said drive shaft 26; and controllable pressure generating means 71 externally coupled to said circular door. 72, wherein the pressure generating means maintains the door closed until an outward pressure from inside the pressurized chamber exceeds a predetermined external pressure from the pressure generating means. such as fruits, vegetables, or their analogues, characterized by: a pressurizing chamber 45 having a screen wall of a chamber through which a screw body for extracting liquid from a material such as a liquid is passed; a rotary drive shaft 26 concentric with and extending through the chamber; a helical feed compression screw 20 arranged concentrically with the shaft in front of the pressurizing chamber for compressing the material, such as fruits, vegetables or the like; In a screw press for extracting: a flat circular door 16 arranged at the outlet end of the cylindrical pressurizing chamber 45 for closing the chamber before the pressurizing operation, the circular door comprising: slidingly engaged with said drive shaft 26; pressure generating means 71, 72 externally coupled to said circular door; and the generating means is adapted to maintain the door closed until the outward pressure from the inside of the pressurizing chamber exceeds a predetermined external pressure from the pressure generating means. control means 70 coupled to said pressure generating means for selecting an external pressure of said external pressure, said control means controlling said external pressure during operation of said screw press; a screwdriver adapted to drive the feed compression screw via the drive shaft; Hand driven adjustable speed stage 63, whereby the output of material passing through the screw press is The screw press for extracting liquid from materials such as fruits, vegetables or the like is optimized by the control of said external pressure in conjunction with the adjustment of the moving means. 3. The periphery of the circular door is attached with a base 13 inwardly toward the cylindrical pressurized chamber. A claim characterized in that: and the outer end of the cylindrical pressurized chamber is provided with a groove 14 so as to complement the groove 14 of the door. The press according to item 2 of the range. 4. The pressure generating means is capable of controlling the desired percentage of extraction of liquid from the material being pressurized. 2. The press according to claim 1, wherein the press is controllable to provide a rate. 5. said controllable pressure generating means comprises hydraulic actuating means 71.72.25 mounted on said frame and operatively connected to the outer part of said circular door, said hydraulic actuating means being adjustable; Hydraulic bypass means 94 and hydraulic flow to said hydraulic actuating means. 5. The press according to claim 4, further comprising an adjustable pressure control device 96 for manually adjusting the body pressure. 6 a cutter rod 18 attached to the inner surface of the circular door 16; a clutch means 90 coupled to the outer surface of the door and the rotary drive shaft 26; said clutch means being disengaged when said door is in its closed position; and opening said door such that said shaft engages said clutch means to rotate said door. Responsive clutch actuation means 86.87 further comprising:; and said cutter bar being adapted to rotate to cut a cake of dry material forced out of said pressurized chamber when said door is opened. The press according to claim 1 or 2, characterized in that: Z. Claims characterized in that the clutch means 90 is electrically actuated. The press described in section 6. 8. The clutch actuating means is an electrical switch 86 adapted and adjustably coupled to the door to close when the door opens to a predetermined position. Press mentioned. 9. The cutter bar is installed radially with respect to the center of the circular door, and 7. The press according to claim 6, wherein the press is curved so as to exhibit a radially convex surface in the rotational direction of the door. 10. The inlet portion of the cylindrical barrel: does not communicate with the feeding chamber 51 and the pressurizing chamber 45. cylindrical inlet chamber means 32, said cylindrical inlet chamber means being connected to said shaft 26 and The entry chamber means is concentric with the compression screw 20 and is forward into the screw press. a top opening above said lead screw for the introduction of said material, the longitudinal dimension of said opening not exceeding about one tenth of the pitch of said lead screw; and hopper means 50 disposed in and in communication with said opening, said inlet chamber means and said hopper means for initially transporting said material until said material is conveyed into a portion of said cylindrical barrel; is transported from the head of the material in it by its own weight. cooperating to feed the material by gravity and suction to a screwdriver and thereafter to transfer the material through the feed chamber means; screw press. 11. A portion of the chamber means below the opening surrounds the feed screw over a range of about 50 cm to 75 cm of circumference. press. 12. The plate according to claim 1, further comprising adjustable speed drive means 60 for driving the feed compression screw via the drive shaft. vinegar. 13. said adjustable drive means advance at a rate so as to maintain said head of material; adjustment in the range of 5 to 60 revolutions per minute to control the output of the material through the press. 13. Press according to claim 12, characterized in that it is a hydraulically driven motor with adjustable rotational speed. 148 Extracting the remaining available fuse from pre-drained grape must 8 In a screw press for dispensing, the screw press has an inlet end and an outlet end: a frame 5.10.12.14.25; a cylindrical chamber with a feed zone 51 and a pressurization zone 45; said pressurized zone 45 has a wall formed by a filter screen 42 through which the extracted liquid passes; a rotatable drive shaft 26 extending through said chamber and concentric with said chamber; and a rotatable drive shaft 26 concentric with said drive shaft. A feed compression screw 20 having a cylindrical body 22 attached to the drive shaft at a time, and a screw thread 24 disposed in a spiral shape around the surface of the cylindrical body, the feed compression screw 20 comprising: A screw is located at the front of the cylindrical chamber adjacent the inlet end. The screw thread is arranged concentrically within the recording area, and the screw thread is located on the inner diameter of the chamber. having qualitatively equal outer diameters, said cylindrical chamber having a portion rearwardly from said feed compression screw screw forming said pressurization zone, in said pressurization zone said mast is connected to said mast; when pressed against said filter screen for extracting fuses from the press; and; an inlet chamber means 32 disposed at said inlet end of said press, said inlet chamber means having an inlet chamber concentric with said feed area; and a cylindrical barrel in communication with the feed section. the barrel has a top opening 30 above the lead screw; The dimension in the direction does not exceed about - less than the pitch of the feed screw, and the portion of the barrel immediately below the opening surrounds the feed screw within a range of 50 to 75 degrees of its circumference. a hopper hand disposed above the opening and communicating with the opening; a stage 50, said inlet chamber means and said hopper means feeding said mast initially under its own weight from the head of the mast therein to said lead screw until said mast is conveyed into said cylindrical barrel; to subsequently move the mast through the cylindrical chamber; cooperating so that the mast is guided by its own weight and suction; prior to the pressurization operation; a circular door 6 disposed at the entrance end, the circular door being slidably engaged with the drive shaft 26; and; and controllable pressure generating means 71,72 coupled externally to said circular door, wherein the outward pressure from the inside of said pressurized area is equal to a predetermined external pressure from said pressure generating means. The pressure generating means maintains the door closed until the force is exceeded. Remaining benefits from pre-drained grape must, including: Screw press for extracting usable fuses. 15. A press according to claim 14, characterized in that the pressure generating means is controllable to provide a desired percentage of fuse extraction from the mast being pressurized. 16 said controllable pressure generating means is mounted on said frame and said circular door; a hydraulic actuating means 72 operatively coupled to an outer portion of the hydraulic actuating hand; The steps. Particularly, having an adjustable hydraulic bypass means 94 and an adjustable input hydraulic pressure source 96. 16. The press according to claim 15. 1Z a cutter rod 18 attached to the outer surface of the circular door 16; a clutch means 90 coupled to the outer surface of the door and the rotary drive shaft 26; when said door is in its closed position, said door is disengaged; and said door is disengaged so that said shaft engages said clutch means to rotate said door. further comprising clutch actuation means 87.86 responsive to the opening of said door; When cutting, the cutter rod rotates. It is designed to cut off the dry mast cake extruded from the pressurized chamber. 15. The press according to claim 14, characterized in that: and; 18. A press according to claim 17, characterized in that the clutch means is electrically actuated. 19. Claim 18, wherein the clutch actuation means is an electrical switch 86 adapted and adjustably coupled to the door to close when the door opens into position. press. 20. The cutter rod according to claim 19, wherein the cutter rod is attached radially with respect to the center of the circular door, and is curved so as to have a radially convex surface in the direction of rotation of the door. press. 21, frame 5.10% 12.14.25 and 1 cylindrical feeding chamber 51, extracted a pressurized chamber 45 having a screen wall 42 for passing the liquid; in front of said pressurizing chamber for compressing material, such as fruit, vegetables or the like, against said screen wall of said chamber, with a rotary drive shaft 26 extending through and concentric with said chamber. a helical feed compression screw 24 disposed concentrically with the shaft; In a screw press for extracting liquid from a material: a circular door 16 arranged at the outlet end of the cylindrical pressurizing chamber for closing the cylindrical pressurizing chamber before the pressurizing operation; a circular door is slidably engaged with said drive shaft; controllable pressure generating means 71, 72 externally coupled to said circular door, said pressure generating means 71, 72 being externally coupled to said circular door; is the predetermined external pressure from the pressure generating means. said pressure generating means are adapted to maintain said door closed until a force is exceeded; said pressure generating means being an electrically actuated clutch means 90 attached to the inner surface of said circular door; the clutch means being disengaged when the door is in its closed position; and clutch actuating means 87.86 responsive to the opening of said door; and said cutter rod being adapted to rotate when said door is opened to cut the dry mast cake forced out of said pressurized chamber. a screw press for extracting liquid from materials such as fruits, vegetables, or the like; vinegar. 22. The invention as claimed in claim 21, characterized in that the cutter bar has its cutting edge rounded to prevent snagging during cutting of the cake. A screw press. 23 Extraction of remaining usable fuses from pre-drained grape must In a positive lead screw press having an easily replaceable and cleanable screen for dispensing and having an inlet end and an outlet end: at least one pair of semi-cylindrical flanges; a cylindrical cane 45.51 formed from a frame 41, said frame being Said pair of semi-cylindrical frames are attached to offset hinges 46 disposed along their lower edges, supporting a filter screen 42 which serves to pass the fuse extracted from the mast; The frames are removably attached to each other along their upper edges 43 so that the cylindrical cage can be used for cleaning or cleaning the screen. The scales are opened for replacement: a cylindrical body 22 and a screw thread arranged helically around the surface of said cylindrical body; a rotatable feed compression screw 20 having a front screw 24; the screw being disposed concentrically on a portion of the cylindrical cage adjacent to the entry end, the screw having an outer diameter substantially equal to an inner diameter of the cage; It has a portion forming a pressurizing chamber 45 rearward from the feed compression screw, and a portion forming a pressurizing chamber 45 at the front. The mast includes the filter for extracting juice from the mast within the pressurized chamber. an inlet chamber means 32 disposed at the inlet end of the press, the inlet chamber means being concentric with and adjacent to the cage; a cylindrical barrel in communication with the cage, said barrel having a top opening 30 above said lead screw and a generally enclosed portion between said opening and said cage; and the longitudinal dimension of said opening does not exceed approximately - less than the pitch of said lead screw. and a portion of the barrel immediately below the opening surrounds the feed screw over a portion of its circumference within a range of 50 to 75 degrees; and and hopper means 50 in communication with said opening, wherein said inlet chamber means and said hopper means are arranged so that said mast is connected to said entire portion of said cylindrical barrel. transporting the mast from the head of the mast therein to the feed screw, initially under its own weight, until it is carried into the physically enclosed area and filling that area; and then transporting the mast through the cylindrical barrel. Therefore, the mast will be sent by its own weight and suction. A positive feed screw press that includes the following: 24. further comprising adjustable drive means 60.62 operatively attached to said rotatable lead screw to rotate said lead screw at a higher than normal speed to assist in initiating positive feed of the mast; 24. A press according to claim 23, characterized in that: 25. said adjustable drive means controlling the output of the mast through said press after achieving positive feeding of the mast so as to maintain said head of said mast in said hole 9; Oil with adjustable means of rotation in the range ~60 revolutions per minute 25. The press according to claim 24, wherein the press is a pressure drive motor 60.