JP6352462B2 - Frozen food conveyor equipment - Google Patents

Description

  The present invention relates to a transfer conveyor in a frozen food facility, and more specifically to a frozen food conveyor apparatus that improves the phenomenon that food placed on the upper surface of the conveyor sticks to the surface of the conveyor belt during the freezing process.

  Many types of frozen foods have been developed in order to be able to enjoy foods that are actually cooked even in the busy daily lives of modern people. With the development of freezing technology and transportation technology, the types of frozen foods are becoming richer.

  Frozen food is food that can be cooked simply by thawing the frozen food. Such frozen foods are rapidly frozen after cooking is complete. In this process, a large-scale refrigeration facility (freezer) is used, and a conveyor device is used to supply individual foods to the refrigeration facility. The cooked food is quickly frozen in the process of continuous movement while being placed on a conveyor belt.

  However, in the initial stage of freezing, when freezing starts in a state where the finished food is in contact with the surface of the conveyor belt, the water on these surfaces freezes, causing a phenomenon of freezing each other. If the frozen food and the conveyor belt are frozen in wide contact, it is not easy to separate them from each other after freezing. Frozen food can be damaged during the wiping process, and food residues can be stuck to the conveyor belt. Due to the characteristics of food, the phenomenon of sticking to the surface of the conveyor belt may be extremely severe, and it is the actual situation that a countermeasure for such a problem is required.

Korean Patent Application No. 10-2010-0034159 Korean Patent Application No. 10-2012-7009290

  The object of the present invention is to easily take out frozen food from the conveyor by eliminating the phenomenon that the food placed on the surface of the conveyor belt that is continuously activated in the frozen food production facility sticks to the surface of the conveyor belt during the freezing process. An object of the present invention is to provide a frozen food conveyor device that can prevent food residue from remaining on the conveyor. More specifically, an object of the present invention is to provide a frozen food conveyor device that can reduce the impact on the conveyor belt in the process of separating the frozen food by applying an impact to the conveyor belt.

  The object is to be installed in a transfer line of a conveyor device provided in a frozen food manufacturing facility, and a central axis installed in a direction perpendicular to the transfer direction of the conveyor, and the central axis A shaft support means for rotatably supporting the shaft, a shaft rotation motor for rotating the center shaft, and a shaft rotating means provided so as to protrude radially on the center shaft and rotating together with the center shaft, It is achieved by an anti-sticking device for a refrigeration conveyor, comprising an impact mechanism that applies an impact to the bottom surface of the conveyor belt of the conveyor.

  According to a feature of the present invention, the impact mechanism includes: a rotating plate that rotates according to the rotation of the central shaft, and a plurality of the rotating plates that are installed at predetermined intervals along the length direction of the central shaft; And a striking roll which is rotatably installed at the tip of the arm and rolls into contact with the bottom surface of the conveyor belt.

Here, the rotating plate is installed so that two unit rotating plates separated in parallel form a pair, and the striking roll has a pipe shape connecting the unit rotating plates.
According to another feature of the invention, the arm can be fixedly installed with different phases along the length direction of the central axis.

  According to another feature of the present invention, the rotating mechanism is installed so as to be movable back and forth along the transfer direction of the conveyor by the adjusting means, but the adjusting means is inserted so that the central shaft can move freely, Guide long holes provided in guide plates installed on both left and right sides of the conveyor, rails fixedly installed on the outer side of the guide plates in the same direction as the transfer direction of the conveyor, and capable of starting along the rails A moving table coupled to the rail and supporting the shaft may include a moving table starting unit for starting the moving table.

  According to another feature of the present invention, the moving table starting unit includes a screw rod that is installed in parallel with the rail and is screwed to the moving table, and a transfer motor for rotating the screw rod. Can do.

  According to another feature of the invention, the striking roll is installed by being fitted on the outer periphery of a roll shaft that is fixed laterally to the end of the arm, and the striking roll has an inner diameter of 5-30 mm. (G) It is preferable that it is larger than the diameter of the said roll axis | shaft so that it may have.

  According to another feature of the invention, the top dead center of the roll shaft is positioned below the bottom surface of the conveyor belt so that only the striking roll can strike the conveyor belt. it can.

  According to another aspect of the present invention, the conveyor belt is disposed in parallel with the first coil formed in a spiral shape wound in a right-handed direction, but overlaps the first coil. The second coil formed in a spiral shape wound in the left-handed direction and the connection long pin inserted at the portion where the first coil and the second coil overlap are continuously connected. And can be configured to form an endless track.

  According to the present invention, the food to be frozen is not stuck in the freezing process on the continuously activated conveyor, so that it is easy to separate and package from the conveyor after the freezing process. Therefore, there is no case where the food is damaged, and thus a frozen food conveyor device capable of preventing the loss of food is provided.

It is a perspective view of the installation state of the conveyor apparatus for frozen food which concerns on embodiment of this invention. It is a principal part perspective view of the conveyor apparatus for frozen food which concerns on embodiment of this invention. It is a side block diagram for demonstrating the effect | action state of the conveyor apparatus for frozen food which concerns on embodiment of this invention. It is a partial front view of the conveyor apparatus for frozen food which concerns on embodiment of this invention. It is a front lineblock diagram of the hitting roll mechanism of the conveyor device for frozen food concerning the embodiment of the present invention. It is a front lineblock diagram of an impact roll for explaining an operation of an impact roll mechanism of a conveyor for frozen foods concerning an embodiment of the present invention. It is a perspective view of the striking roll of the striking roll mechanism of the conveyor apparatus for frozen food which concerns on embodiment of this invention. It is a top view of a part of conveyor belt of the frozen food container device according to the embodiment of the present invention. It is a perspective view of the conveyor apparatus for frozen food which concerns on other embodiment of this invention. It is a perspective view of the conveyor apparatus for frozen food which concerns on other embodiment of this invention.

  Hereinafter, specific contents of the present invention will be described in detail with reference to the accompanying drawings. Reference is basically made to FIG. 1, and other drawings will be cited as necessary.

  The conveyor apparatus for frozen food according to the present invention is an apparatus for allowing food that requires quick freezing to pass through a refrigerator while continuously moving.

  The form of the conveyor 1 is various. For example, the conveyor 1 is a linear moving type, a curved moving type, or a lifting type that moves up and down in a spiral shape (see the refrigeration tower). The specific form of the refrigeration equipment is also the same. That is, the scope of rights of the present invention is not limited by the form of the conveyor 1 and the specific form of the refrigeration equipment. The present invention is applied to a frozen food production facility having a food conveying conveyor.

  The conveyor belt 3 of the conveyor 1 continuously transfers the food F to be frozen, and may have a mesh shape so that cold air flows up and down. Detailed contents related to this will be described later. The mesh size of the mesh of the conveyor belt 3 is determined according to the frozen food. Foods such as rice grains and sliced vegetables can also be transferred in a state of being placed on the upper surface 3a of the conveyor belt. Such a transfer system enables quick freezing. The conveyor belt 3 is usually made of stainless steel, but is not limited to this, and synthetic resin such as Teflon (registered trademark) that is harmless to the human body may be used.

  The central shaft 21 is installed on a guide plate 10 installed on the base frame of the conveyor belt in a direction perpendicular to the transfer direction of the conveyor 1. The central shaft 21 is positioned in a direction perpendicular to the transfer direction of the conveyor 1. The guide plate 10 is supported so as to be rotatable about the central shaft 21 as an axial center.

  The guide plate 10 can also serve as a guide for guiding the conveyor 1. That is, the guide plate 10 can be one component of the conveyor 1. According to the present embodiment, the guide plate 10 has a plate shape that is vertically installed on both side edges of the conveyor 1.

A shaft rotation motor 35 for rotating the central shaft 21 is connected to one end of the central shaft 21. A reduction gear may be interposed between them, and the rotational speed can be adjusted as necessary.

  The central shaft 21 is provided with an impact mechanism 20 that applies an impact to the bottom surface 3b of the conveyor belt. The impact mechanism 20 is installed so as to protrude in the radial direction of the central shaft 21 and strikes the conveyor belt 3 while rotating together with the central shaft 21.

  The method of striking the conveyor belt 3 or its configuration is very various. According to the present embodiment, the impact mechanism 20 includes the hitting roll mechanisms 22 that are installed at predetermined intervals along the length direction of the central shaft 21.

  Hereinafter, the impact mechanism 20 will be described with reference to FIG.

  The striking roll mechanism 22 is coupled to the central shaft 21 and rotates in accordance with the rotation, a plurality of arms 222 provided so as to protrude radially from the rotating plate 221, and rotatable at the tip of the arm 222 And a striking roll 223 that is in rolling contact with the bottom surface 3b of the conveyor belt. Three to six arms 222 can be installed along the circumferential direction of the rotating plate 221. If four are installed as shown, the conveyor belt 3 will be struck four times per rotation of the central shaft 21 (see FIG. 3). FIG. 3 shows that the striking roll 223 applies an impact to the bottom surface 3b of the conveyor belt. Although it is shown in FIG. 4 that the central shaft 21 rotates clockwise, it may be rotated counterclockwise depending on the situation. The clockwise and counterclockwise directions of rotation described above will act so that the hit amount and hit time are different from each other with respect to the traveling direction of the conveyor belt. Therefore, the rotation speed of the striking roll mechanism will be different between when it is turned clockwise and when it is turned counterclockwise.

  According to this embodiment, the striking roll 223 is configured to be able to strike a wider area. That is, the rotating plate 221 is installed so that two unit rotating plates separated in parallel form a pair, and the striking roll 223 has a pipe shape for connecting the unit rotating plates. As shown in FIG. 4, the striking roll 223 is installed between the belt support bases 49 that support the conveyor belt. The belt support 49 is a component of the conveyor provided to prevent the mesh conveyor belt from drooping downward.

  On the other hand, the arm 222 can be fixedly installed with different phases along the length direction of the central axis 21. This is to enhance the impact effect, and by simultaneously striking the entire conveyor belt, problems such as the conveyor belt 3 moving left and right can be eliminated. According to the embodiment of the present invention, the phase difference between adjacent arms 222 can be 30 °.

  Further, as shown in FIG. 5, the striking roll 223 is installed by being fitted on the outer periphery of a roll shaft 224 that is fixed laterally to the end of the arm 222. The roll shaft 224 has a bolt shape and is screwed to the arm 222 of the rotating plate. The inner diameter of the striking roll 223 is larger than the diameter of the roll shaft. That is, the striking roll 223 has a play G of 5 to 30 mm, for example. Therefore, as shown in the enlarged view of FIG. 5 or FIG. 6, it can move up and down around the roll shaft 224.

  Eventually, when the striking roll 223 strikes the conveyor belt 3, the impact of striking the conveyor belt 3 so as to continuously vibrate in the vertical direction at least twice with a single striking roll 223 is not performed. Can be obtained. More specifically, as depicted in detail in FIG. 6, the striking roll 223 is pressed in a manner that gently pushes the conveyor belt 3 over a section P in which the fixed roll shaft 224 passes through the conveyor belt 3. The effect of hitting once can be obtained.

  With reference to FIG. 6, the floating movement of the hitting roll 223 from the time of hitting will be described with time. The hitting roll 223 moves outward while the rotary centrifugal force acts by the rotation of the hitting roll mechanism and hits it. After striking outward, it moves in the reaction direction, and is guided by the roll shaft 224 so that the inner diameter side of the central axis of the striking roll 223 collides, then further moves in the direction of pushing outward, The striking roll is swung so as to vibrate by hitting again.

  Briefly explaining such an action, the striking roll 223 hits the bottom surface of the conveyor belt 3 and first strikes it, and then moves in the opposite direction to the bottom surface of the conveyor belt 3 again. The effect of striking the conveyor belt 3 so as to continuously vibrate in the vertical direction at least twice with one striking roll 223 can be obtained.

  In this way, when the striking roll mechanism is rotated once, the striking motion is struck many times together with the striking shock that is buffered by the play between the striking roll and the roll shaft at one striking opportunity. It is possible to obtain an effect of removing the adhered food and drink more easily. The larger the gap between the hitting roll 223 and the roll shaft 224 described above, the larger the interval of the time period for moving to vibrate, and the smaller the gap, the smaller the interval of the time period.

  The striking roll mechanism designed by combining these various conditions is a striking mechanism in which the striking roll 223 is guided by the roll shaft 224 and biased outward while the shaft 224 rotates about the roll shaft 224 by centrifugal force. After the buffer 223 is shocked while the roll 223 is in contact with the bottom surface of the conveyor belt 3, the roll 223 is guided by the roll shaft 224 by the play at the center of the impact roll 223 and moves inward, which is the opposite direction to the impact force. After that, it acts and idles in a manner that moves again in the outward striking direction. At this time, the effect of striking the bottom surface of the conveyor belt 3 so as to vibrate can be obtained.

  Further, when the hitting roll 223 is rotated and the bottom surface of the conveyor belt 3 is hit, the hitting force of the hitting roll 223 is large when the hitting roll mechanism has a large rotation radius and a high rotating speed. At this time, it can be struck while relaxing the impact applied to the conveyor belt 3 by buffering the play G between the striking roll 223 and the roll shaft 224. This prevents breakage of food granules themselves such as fragile frozen foods, and at the same time efficiently separates the food granules to be condensed by hitting, and hitting roll 223 and conveyor belt 3 which are particularly concerned by hitting. It is possible to prevent product damage and contribute to improvement of product durability.

  According to the present embodiment, the top dead center of the roll shaft 224 (intermediate position in FIG. 6) is set to coincide with the bottom surface of the conveyor belt or lower (for example, 1 to 5 mm), whereby the roll shaft 224 is set. Prevents the conveyor belt 3 from being directly hit.

  On the other hand, as shown in FIG. 7, a separation table 223 b is projected in a ring shape on both side surfaces of the striking roll 223. This is to reduce the rotational resistance by reducing the frictional force between the striking roll 223 and the arm 222 and between the striking rolls 223 adjacent to each other.

  Further, in the hitting roll 223, two unit rolls 223a are sandwiched between the arms 222. These unit rolls 223a are independent and behave individually. Therefore, the hitting on the conveyor belt 3 can be performed more variously.

  Hereinafter, the conveyor belt 3 which concerns on embodiment of this invention is demonstrated.

  As shown in the enlarged view of FIG. 1, the conveyor belt 3 according to the present embodiment is parallel to the first coil 311 and the first coil 311 that are spirally wound in the right-handed direction. Are arranged so as to overlap (overlapping) with each other, the second coil 312 formed in a spiral shape wound in the left-handed direction, the first coil 311 and the second coil The connection long pin 313 inserted in the site | part with which the coil 312 overlaps is included (refer FIG. 3).

  That is, the first coil 311 and the second coil 312 are continuously connected by the connecting long pin 313 to form an endless track. Furthermore, the first coil 311 and the second coil 312 can be made to have an elliptical longitudinal cross section by pressing a circular coil spring up and down.

  According to such a configuration, as shown in FIG. 8, the first coil 311 and the second coil 312 form a substantially comb-like shape in plan view, but form a comb-like shape in opposite directions. The driving direction of the conveyor belt 3 is the same as the arrow direction. Accordingly, the food F placed thereon receives a force to move to the left according to the first coil 311 and receives a force to move to the right according to the second coil. Therefore, the food F is not biased to one side and is further transferred in the left-right direction while receiving a force similar to a slight vibration.

  On the other hand, in the process of freezing the food F transported along the conveyor 1, there is the most appropriate hitting time, but in normal cases, it is the time when the outer surface of the food F starts to freeze. The point of time varies depending on the characteristics of the food. Therefore, according to the embodiment of the present invention, the central shaft 21 can be configured to adjust the installation position little by little along the transfer line of the conveyor 1.

  The central shaft 21 is installed so as to be movable back and forth along the transfer direction of the conveyor 1 by the adjusting means 30. There are various methods. First, an example of the adjusting unit 30 will be described with reference to FIG.

  The adjusting means 30 according to the embodiment of the present invention includes a guide long hole 13 provided in the guide plate 10 in which the central shaft 21 is movably inserted, and the outer side of the guide plate 10 in the same direction as the transfer direction of the conveyor 1. A rail 34 that is fixedly installed, and a movable table 32 that is coupled to the rail 34 so as to be actuated along the rail 34 and supports the central shaft 21 are included. And the mobile stand starting part for starting the mobile stand 32 is further included. The moving stand starting unit may have the same configuration as a known LM guide unit. The moving table starting unit may include a screw rod 33 that is installed in parallel with the rail 34 and is screwed to the moving table 32, and a transfer motor 31 that rotates the screw rod 33.

  According to such a configuration, as the screw rod 33 is rotated, the moving table 32 moves back and forth along the arrow direction. Therefore, the central axis 21 can be adjusted along the guide slot 13. Such a configuration can also be used to always activate the central shaft 21. That is, it is possible to obtain the same effect as when a plurality of impact mechanisms 20 are installed by striking while moving the central shaft 21 back and forth along the transfer direction of the conveyor 1 or along the opposite direction. it can.

  For reference, in order to prevent the food F placed on the conveyor belt 3 from falling from both sides of the conveyor belt 3, a fall prevention stand 12 is installed on both sides of the conveyor belt 3 in parallel with the guide plate 10. Is done. The fall prevention base 12 is connected to the guide plate 10 via the mounting bracket 11. The mounting bracket 11 is made of a plate material bent in a “U” shape, and is spaced at a predetermined interval.

  Next, another example of the adjusting means will be described with reference to FIG.

  The present embodiment includes a mounting groove 14 provided at a constant interval on the upper end of the guide plate 10, and a mounting base 23 mounted in any one of the mounting grooves 14 and having a central shaft 21 axially coupled thereto. . The mounting base 23 is provided with a guide plate groove 24 into which the guide plate 10 can be inserted. The mounting base 23 can be fixedly installed in any one of the plurality of mounting grooves 14 with bolts (not shown). In this embodiment, the installation position of the center shaft 21 or the impact mechanism 20 can be moved manually. When it is not necessary to move the position of the central axis 21 frequently, it can be an economical method.

  Next, another embodiment of the present invention will be described with reference to FIG.

  In the present embodiment, the two impact mechanisms 20 or the central shaft 21 are fixedly installed at a predetermined interval, and these are installed so as to rotate simultaneously by one shaft rotation motor 35. That is, pulleys 42 and 43 are fixedly installed at the end of the central shaft 21, and the pulleys 42 and 43 are connected by the belt 41. The shaft rotation motor 35 is connected to a drive pulley 43, and the driven pulley 42 is activated in a dependent manner.

  A plurality of impact mechanisms 20 can be installed along the transfer line of the conveyor belt 3 in this way. The impact mechanism 20 may be additionally installed at necessary places before and after the freezer compartment. Preferably, the impact mechanism which is one configuration of the present invention provided to hit the food condensing in the freezer compartment to prevent the food particles from condensing and adhering to the conveyor belt surface, Install an impact mechanism at the point when food starts to stick to the conveyor belt surface, or at the point where the food has hardened by 50% or more and the surface of the food has become hard (adhesion). An impact mechanism should be installed.

  In addition to this, after the freezing is finished, the food can be placed and installed just before the work to be taken out of the conveyor 1.

  The configurations shown and described are merely preferred embodiments based on the technical idea of the present invention. Those skilled in the art can make various modifications based on common general technical knowledge, but it should be understood that these can be included in the protection scope of the present invention.

DESCRIPTION OF SYMBOLS 1 Conveyor 3 Envelope belt 10 Guide plate 12 Fall prevention stand 13 Guide long hole 14 Mounting groove 20 Impact mechanism 21 Center shaft 22 Impact roll mechanism 23 Mounting stand 30 Adjustment means 31 Transfer motor 32 Moving stand 33 Screw rod 34 Rail 221 Rotating plate 222 Arm 223 Blow roll 311 First coil 312 Second coil 313 Connection long pin F Food

Claims (7)

A conveyor device installed in a frozen food manufacturing facility,
A central axis installed in a direction perpendicular to the transport direction of the conveyor;
Shaft support means for rotatably supporting the central shaft;
A shaft rotation motor for rotating the central shaft;
An impact mechanism provided to project radially on the central axis, rotate together with the central axis, and apply an impact to the bottom surface of the conveyor belt of the conveyor,
The impact mechanism is
A rotating plate that rotates according to the rotation of the central axis, and a plurality of the central axes are installed at predetermined intervals along the length direction of the central axis;
An arm provided to project radially from the rotating plate;
A roll shaft for connecting the arms together;
Fitted on the roll shaft so as to be rotatably mounted to the distal end of the arm, viewed contains a blow roll rolling contact with the bottom surface of the conveyor belt,
The conveyor for frozen food , wherein the arms are fixedly installed with different phases along the length direction of the central axis . A conveyor device installed in a frozen food manufacturing facility,
A central axis installed in a direction perpendicular to the transport direction of the conveyor;
Shaft support means for rotatably supporting the central shaft;
A shaft rotation motor for rotating the central shaft;
An impact mechanism provided to project radially on the central axis, rotate together with the central axis, and apply an impact to the bottom surface of the conveyor belt of the conveyor,
The impact mechanism is
A rotating plate that rotates according to the rotation of the central axis, and a plurality of the central axes are installed at predetermined intervals along the length direction of the central axis;
An arm provided to project radially from the rotating plate;
A roll shaft for connecting the arms together;
A striking roll that is fitted to the roll shaft so as to be rotatably installed at the tip of the arm, and is in rolling contact with the bottom surface of the conveyor belt,
The conveyor apparatus for frozen food, wherein the top dead center of the roll shaft is located below the bottom surface of the conveyor belt so that only the striking roll can hit the conveyor belt. The conveyor device for frozen food according to claim 1 or 2 , wherein an inner diameter of the hitting roll is larger than a diameter of the roll shaft so as to have a clearance (G) of 5 to 30 mm. . The central axis is installed so as to be movable back and forth along the transfer direction of the conveyor by adjusting means,
The adjusting means includes
Guide long holes provided in guide plates that are inserted on the left and right sides of the conveyor, wherein the central shaft is movably inserted, and
A rail fixed to the outer side of the guide plate in the same direction as the transfer direction of the conveyor;
A movable base coupled to the rail to be actuable along the rail and supporting the shaft;
Characterized in that it comprises a moving base activation unit for activating said moving platform, frozen food conveyor apparatus according to claim 1 or 2. The moving stand starting unit is
A screw rod installed in parallel with the rail and screwed into the movable table;
The conveyor apparatus for frozen food according to claim 4, further comprising a transfer motor for rotating the screw rod. The rotating plate is installed so that two unit rotating plates separated in parallel form a pair,
The conveyor for frozen food according to claim 3 , wherein the striking roll has a pipe shape for connecting the unit rotary plates to each other. The conveyor belt is
A spirally formed first coil wound in the right-handed screw direction, and arranged in parallel with the first coil, but arranged so as to overlap with the first coil and wound in the left-handed screw direction A second coil formed in a spiral;
The refrigeration according to claim 1 or 2 , wherein a connecting long pin inserted in a portion where the first coil and the second coil overlap is continuously connected to form an endless track. Food conveyor equipment.

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