Double-sided trimming type automatic packaging system for compliance with overpackaging prevention standard

Abstract

The present invention comprises: a plurality of conveyors arranged in the front and rear to transport a product of measured specifications; upper and lower packaging material supply units installed respectively on the upper and lower sides of the conveyors, which supply packaging materials capable of heat sealing and cutting so as to be connected to each other by heat sealing through the space between the front conveyor and the rear conveyor; packaging material grippers that each grip both sides of the packaging materials supplied from the upper and lower packaging material supply units and connected to each other; a gripper transport unit that transports the packaging material grippers in a front-rear direction parallel to the transport direction of the product; a gripper lifting unit that raises and lowers the packaging material grippers; a gripper spacing adjustment unit that adjusts the spacing between the packaging material grippers; and a cut-out unit that heat-seals and cuts the front edge of the product in the width direction from the packaging material when the product is received by the front conveyor into the overlapping inner side of the packaging material pulled backward by the packaging material grippers. It includes: a trimming unit installed on each side of the rear conveyor and heat-sealing cutting the open sides of a product receiving packaging material that moves by the conveyor with the front and rear ends sealed by the continuous operation of the cut-out unit; a trimming gap adjustment unit that adjusts the gap between the trimming units; and a control unit that receives information on the specifications of the product and controls the gripper transfer unit, the gripper lifting unit, and the trimming gap adjustment unit to comply with the overpackaging prevention standard determined in accordance with the specifications of the product.

Description

Technology Field

[0001] The present invention relates to a double-sided trimming type automatic packaging system for complying with standards for preventing overpackaging, and more specifically, to a double-sided trimming type automatic packaging system for complying with standards for preventing overpackaging that prevents overpackaging of a product, thereby aligning with the trend of minimizing packaging through the reduction of packaging materials at the source, and furthermore, not only provides consumers with a positive perception of resource conservation but also eliminates negative perceptions regarding the exaggeration of the product. Background Technology

[0002] Generally, for packaging products such as household goods, food products, electronic products, and office supplies, the product is placed in a packaging material transported along a conveyor, and then the product is sealed by the packaging material through cutting and sealing.

[0003] As prior art related to this, the "automatic packing device for packaging bags" of registered patent 10-2097364 has been disclosed. This describes an automatic packing device for sealing a product after it has been placed in a packaging bag made of vinyl material. The packing device comprises: a film supply unit that allows a vinyl bag with closed sides to be placed in a state wound on a roller and then automatically transported; a label attachment unit equipped with a label printer to print and attach a label to the outer surface of the bag transported from the film supply unit; a cutting and sealing unit that cuts and separates the bag transported from the label attachment unit, places a product inside the bag located at the bottom, and then simultaneously seals the upper part of the bag containing the product and the lower part of the bag located above the cut portion; and a pack support unit that receives the pack containing the product and sealed from the cutting and sealing unit and places it on a conveyor belt. The film supply unit. The apparatus is configured to include: first and second supply rollers installed in a separated state at the top and bottom, with envelopes wound thereon; a pair of first and second support rollers each supporting the first and second supply rollers at the bottom of the first and second supply rollers; a pair of gear motors connected to each axis of the first and second supply rollers to drive the first and second supply rollers respectively; and a servo motor that drives an attachment roller to stably attach a label attached by a label printing machine to the outer surface of the envelope, which is conveyed from the first or second supply roller, and the first and second supply rollers are configured so that when one of the supply rollers operates, the other supply roller stops operating and waits.

[0004] However, such conventional technology had the problem of failing to improve packaging when the packaging material was excessive compared to the product, and thus failing to improve overpackaging relative to the product. This not only caused consumers to have a negative perception of resource waste, but also damaged the brand credibility of the product due to the negative perception of the product's exaggeration. The problem to be solved

[0005] In order to solve the problems of the conventional technology described above, the present invention aims to prevent excessive packaging of products, thereby aligning with the trend of packaging minimization through the reduction of packaging materials at the source, and furthermore, to provide consumers with a positive perception of resource conservation, as well as to resolve negative perceptions regarding product exaggeration and prevent a decrease in repurchase due to damage to the credibility of the product brand.

[0006] Other objectives of the present invention will be easily understood through the description of the following embodiments. means of solving the problem

[0007] To achieve the above-mentioned purpose, according to one aspect of the present invention, a plurality of conveyors are provided for transporting a product of measured specifications; upper and lower packaging material supply units are respectively installed on the upper and lower sides of the conveyors and supply packaging materials capable of heat sealing and cutting so as to be connected to each other by heat sealing through the space between the front conveyor and the rear conveyor; packaging material grippers each grip both sides of the packaging materials supplied from the upper and lower packaging material supply units and connected to each other; a gripper transport unit that transports the packaging material grippers in a front-rear direction parallel to the transport direction of the product; a gripper lifting unit that raises and lowers the packaging material grippers; a gripper spacing adjustment unit that adjusts the spacing between the packaging material grippers; and a cut-out unit that heat-seals and cuts the front edge of the product in the width direction from the packaging material when the product is received by the front conveyor on the overlapping inner side of the packaging material pulled backward by the packaging material grippers. A double-sided trimming type automatic packaging system for compliance with overpackaging prevention standards is provided, comprising: a trimming unit installed on each side of the rear conveyor and heat-sealing cutting the open sides of a product receiving packaging material that moves by the conveyor with the front and rear ends sealed by the continuous operation of the cut-out unit; a trimming gap adjustment unit that adjusts the gap between the trimming units; and a control unit that receives information on the specifications of the product and controls the gripper transfer unit, the gripper lifting unit, and the trimming gap adjustment unit to comply with the overpackaging prevention standards determined in accordance with the specifications of the product.

[0008] The above packaging gripper is configured such that a finger performs closing and opening operations by means of a grip driving unit to grip while engaging with the connecting part of the packaging, and is installed on gripper transfer units provided on each side of the rear conveyor, and the gripper transfer unit is raised together with the packaging gripper by means of the gripper lifting unit and can move along the width direction of the conveyor together with the packaging gripper by means of the gripper spacing adjustment unit.

[0009] The trimming unit comprises: a base on which the rear conveyor side is positioned parallel; a heating cutter positioned above the base and positioned between the base and the product receiving packaging material to be cut while sealing it with heat by pressing downward; a trimming drive unit for raising and lowering the heating cutter; a conveyor installed so that the trimming drive unit is connected to the heating cutter; and a guide for guiding the heating cutter to be raised and lowered on the conveyor; and the trimming interval adjustment unit can reciprocate each of the conveyors along the width direction of the conveyor.

[0010] It may further include a scrap recovery unit that grasps and recovers the scrap cut from the product receiving packaging by the trimming unit.

[0011] The scrap recovery unit may include: a scrap gripper that grips the end of the product receiving packaging paper to be trimmed by the trimming unit by a finger that performs closing and opening operations by a grip driving unit; a grip shaft that is installed parallel to one side of the trimming unit and fixed so as to rotate together with the scrap gripper, and which rotates by a shaft driving unit when the end of the product receiving packaging paper held by the scrap gripper is cut by the trimming unit and becomes scrap, thereby allowing the scrap gripper to drop the scrap; a collection duct provided to allow the scrap to flow into the lower side of the scrap gripper; and a blower that provides blowing power for the collection duct to suck the scrap. Effects of the invention

[0012] According to the double-sided trimming type automatic packaging system for compliance with the over-packaging prevention standard of the present invention, by preventing over-packaging of a product, it is possible to align with the trend of minimizing packaging through the reduction of packaging materials at the source, and furthermore, it not only provides consumers with a positive perception of resource conservation but also eliminates negative perceptions regarding product exaggeration and has the effect of preventing a decrease in repurchase due to damage to the credibility of the product brand. Brief explanation of the drawing

[0013] FIG. 1 is a perspective view illustrating a double-sided trimming type automatic packaging system for compliance with overpackaging prevention standards according to an embodiment of the present invention, showing the pre-packaging stage. FIG. 2 is a perspective view illustrating a double-sided trimming type automatic packaging system for compliance with overpackaging prevention standards according to an embodiment of the present invention, showing the acceptance of a product in a packaging sheet. FIG. 3 is a perspective view illustrating a double-sided trimming type automatic packaging system for compliance with overpackaging prevention standards according to an embodiment of the present invention, showing the product receiving packaging paper being cut and transported. FIG. 4 is a perspective view illustrating a double-sided trimming type automatic packaging system for compliance with overpackaging prevention standards according to an embodiment of the present invention, showing the trimming of both sides of a product receiving packaging sheet. Specific details for implementing the invention

[0014] The present invention is capable of various modifications and may have various embodiments, and specific embodiments are illustrated in the drawings and described in detail. However, this is not intended to limit the present invention to specific embodiments, but should be understood to include all modifications, equivalents, and substitutions that fall within the technical spirit and scope of the present invention, and may be modified in various other forms, and the scope of the present invention is not limited to the following embodiments.

[0015] Hereinafter, embodiments according to the present invention will be described in detail with reference to the attached drawings. Identical or corresponding components are assigned the same reference number regardless of the drawing symbols, and redundant descriptions thereof will be omitted.

[0016] FIGS. 1 to 4 are perspective views sequentially showing the process of using a double-sided trimming type automatic packaging system for compliance with overpackaging prevention standards according to an embodiment of the present invention.

[0017] Referring to FIGS. 1 to 4, a double-sided trimming type automatic packaging system (100) for compliance with overpackaging prevention standards according to one embodiment of the present invention may include a conveyor (111, 112), upper and lower packaging material supply units (121, 122), a packaging material gripper (130), a gripper transfer unit (140), a gripper lifting unit (150), a gripper spacing adjustment unit (160), a cut-out unit (170), a trimming unit (180), a trimming spacing adjustment unit (180), and a control unit (210).

[0018] The conveyors (111, 112) are provided in multiple numbers at the front and rear to transport the product (1) with measured specifications. The conveyors (111, 112) are, for example, belt conveyors, but are not necessarily limited to this and can be configured with various types of conveying devices, including roller conveyors. As in the present embodiment, the front conveyor (111) and the rear conveyor (112) can be arranged in a line, but are not limited to this and can be configured with various arrangement types and numbers corresponding to the packaging path of the product (1).

[0019] In order to measure the specifications of the product (1) supplied through the conveyor (111, 112), a device for measuring the specifications of the product (1) may be installed at the front end of the conveyor (111). For example, the device for measuring the dimensions of the product (1) may be configured such that, due to an array structure in which multiple optical sensors are arranged horizontally on the upper side of the product and multiple optical sensors are arranged vertically on the side of the product, the height and width of the product (1) are measured according to the number and position of the optical sensors that recognize the product, and the front-to-back length of the product (1) can be measured from the conveying speed of the product (1) being transported by the front conveyor (111) and the time required for the product (1) to pass through as measured by the optical sensors. As another example, the dimensions of the product (1) can be measured using a laser displacement sensor. As yet another example, the dimensions of the product (1) can be obtained as information through image processing of the product (1) using a vision measurement sensor. As yet another example, the dimensions of the product (1) can be obtained as information through the shape and cross-section measurement of the product (1) using a profile sensor. In addition to this, the dimensions of the product (1) can be obtained in various other ways.

[0020] The upper and lower packaging material supply units (121, 122) are respectively installed on the upper and lower sides of the conveyor (111, 112), specifically the front conveyor (111, 112), and supply packaging material (2) capable of heat sealing and cutting so that they can be connected to each other by heat sealing through the space between the front conveyor (111) and the rear conveyor (112). Here, the packaging material (2) is composed of a material capable of heat sealing and cutting, and may be made of a single material, or may be made of a different material to enable functional implementation.

[0021] The upper and lower packaging supply units (121, 122) may include at least one guide roller (123, 124) for guiding the movement of the packaging (2) to ensure a path and smoothness necessary for supplying the packaging (2), and may be configured to continuously supply the packaging (2) using the conveying force of the product (1) by the conveyor (111, 112), and may not be limited thereto, may be configured to provide the conveying force of the packaging (2) using the frictional force of the guide roller to which driving force is applied, and may also be configured to convey the packaging (2) in various other ways.

[0022] The packaging gripper (130) is supplied from the upper and lower packaging supply units (121, 122) and grips each of the two sides of the packaging (2) that are connected to each other.

[0023] The packaging gripper (130) can be connected to the grip driving unit (132) so that each of the pair of fingers (131) rotates around a parallel hinge axis, and when the fingers (131) are closed to 0 degrees while in a state of being spread out to 180 degrees, it is possible to grip the packaging (2). To this end, the grip driving unit (132) can be configured to rotate the fingers (131) by the rotational driving force of a motor, the driving force transmitted by a cylinder and a link member, or various other methods.

[0024] The packaging gripper (130) can be configured to allow the finger (131) to perform closing and opening operations by means of a grip driving unit (132) so as to grip the connecting part of the packaging (2), and can be installed on gripper transfer units (140) provided on each side of the rear conveyor (112).

[0025] The gripper transfer unit (140) transfers the packaging gripper (130) in a forward and backward direction parallel to the transfer direction of the product (1).

[0026] The gripper transfer unit (140) can be raised and lowered together with the packaging gripper (130) by the gripper lifting unit (150), and can be moved along the width direction of the conveyor (111, 112), specifically the subsequent conveyor (112), together with the packaging gripper (130) by the gripper spacing adjustment unit (160). The gripper transfer unit (140) may be equipped with various methods, such as a ball screw structure, a rack and pinion structure, or a belt and pulley structure, which convert the rotational driving force of a motor into reciprocating linear motion. As another example, a linear actuator such as a cylinder or a linear motor may be used, and various other linear motion devices may be used. Of course, this can be applied to configurations requiring linear reciprocating motion, which will be described later.

[0027] The gripper lifting unit (150) raises the packaging gripper (130). To this end, the gripper lifting unit (150) may be configured to directly raise the packaging gripper (130), but is not limited thereto. It may also be configured to raise the gripper transfer unit (140) and the gripper spacing adjustment unit (160), which will be described later, together with the packaging gripper (130) to facilitate positional variation of the packaging gripper (130). To achieve this, the rotational driving force of a rotary motor may be converted into linear motion and utilized, or a linear actuator such as a cylinder or linear motor may be used to provide the driving force required for raising. In addition, various linear motion devices may be used. Meanwhile, the gripper lifting unit (150) may be provided with a guide means, such as a guide rail or a guide shaft, to guide the lifting of the packaging gripper (130) in addition to the driving force required for the lifting of the packaging gripper (130).

[0028] The gripper spacing adjustment unit (160) adjusts the spacing between the packaging grippers (130) located on each side of the front of the conveyor (111, 112), specifically the rear conveyor (112).

[0029] The gripper spacing adjustment unit (160) can directly transport the packaging gripper (130), but is not limited thereto. It may be configured to transport the gripper transport unit (140) together with the packaging gripper (130) to suit the position variable structure of the packaging gripper (130). To provide such transport force, it may be configured to provide the driving force required for spacing adjustment by converting the rotational driving force of a rotary motor into linear motion, or by using a linear actuator such as a cylinder or a linear motor. In addition, various linear motion devices may be used. Meanwhile, in addition to the driving force required for the horizontal movement of the packaging gripper (130), the gripper spacing adjustment unit (160) may be provided with guide means such as a guide rail or a guide shaft to guide the horizontal movement of the packaging gripper (130).

[0030] The cutout section (170) heat-seals the front of the product (1) in the width direction when the product (1) is received by the front conveyor (111) on the overlapping inner side of the packaging (2) which is pulled backward by the packaging gripper (130).

[0031] The cutout section (170) may include a base (171) installed to be positioned lower between the front conveyor (111) and the rear conveyor (112), a heating cutter (172) installed to be vertically movable on the upper side of the base (171), and a cut drive unit (173) for moving the heating cutter (172) up and down. To provide the driving force for moving the heating cutter (172), the cut drive unit (173) may utilize the rotational driving force of a rotary motor converted into linear motion, or utilize a linear actuator such as a cylinder or a linear motor, and various other linear motion devices may be used. Meanwhile, the cut drive unit (173) may additionally be provided with a guide means, such as a guide rail or a guide shaft, to guide the moving of the heating cutter (172).

[0032] The base (171) may have the same or similar shape as the heating cutter (172), may be installed facing the heating cutter (172), and may be made of a material that withstands the heat of the heating cutter (172) and also withstands the cutting force of the heating cutter (172).

[0033] A heating cutter (172) may be connected to and installed in a cutting drive unit (173), and a heater may be provided to provide heat for heat sealing or heat fusion of the packaging material (2). A cutter for cutting the packaging material (2) and a sealing member that receives heat from the heater and seals the packaging material (2) may be formed to form a single body, or they may be formed separately and arranged side by side with each other. In addition, they may be formed or arranged in various other ways. If the sealing member is formed separately from the cutter, multiple sealing members may be provided to be arranged on both sides with the cutter in between. A heat conducting member may also be provided to uniformly transfer heat from the heater to the sealing member.

[0034] The trimming section (180) is installed on each side of the rear conveyor (112) and heat-seals the open sides of the product receiving packaging paper (3) that is moved by the conveyor (111, 112), specifically the rear conveyor (112), with the front and rear ends sealed by the continuous operation of the cutout section (170).

[0035] Each trimming unit (180) may include a base (181) positioned parallel to the rear side of the conveyor (112), a heating cutter (182) that can be positioned above the base (181) and presses downward to cut the product receiving packaging (3) located between the base (181) and the product receiving packaging, thereby sealing it with heat, a trimming drive unit (183) that raises and lowers the heating cutter (182), a transfer platform (184) installed so that the trimming drive unit (183) is connected to the heating cutter (182), and a guide (185) that guides the heating cutter (182) to be raised and lowered on the transfer platform (184).

[0036] The base (181) may have the same or similar shape as the heating cutter (182), may be installed facing the heating cutter (182), and may be made of a material that withstands the heat of the heating cutter (182) and also withstands the cutting force exerted by the heating cutter (182).

[0037] A heating cutter (182) may be connected to and installed in a trimming drive unit (183), and a heater may be provided to provide heat for heat sealing or heat fusion of a product receiving packaging (3). A cutter for cutting the product receiving packaging (3) and a sealing member that receives heat from the heater and seals the product receiving packaging (3) may be formed to form a single body, or they may be formed separately and arranged side by side with each other. In addition, they may be formed or arranged in various other ways. If the sealing member is formed separately from the cutter, multiple sealing members may be provided to be arranged on both sides with the cutter in between. A heat conducting member may also be provided to uniformly transfer heat from the heater to the sealing member.

[0038] The trimming interval adjustment unit (190) adjusts the interval between the trimming units (180).

[0039] The trimming interval adjustment unit (190) causes each of the transfer units (184) to reciprocate along the width direction of the conveyors (111, 112), specifically the rear conveyor (112). In order to achieve linear reciprocating movement of the transfer units (184), the rotational driving force of a rotary motor can be converted into linear motion and utilized, or a linear actuator such as a cylinder or linear motor can be utilized, and various other linear motion devices may also be used. Meanwhile, the cut drive unit (173) may additionally be provided with guide means such as a guide rail or a guide shaft to guide the lifting and lowering of the heating cutter (172).

[0040] The control unit (210) receives information on the specifications of the product (1) and controls the gripper transfer unit (140), gripper lifting unit (150), and trimming gap adjustment unit (190) to comply with the overpackaging prevention standard set in accordance with the specifications of the product (1). Here, the overpackaging prevention standard can be a standard for packaging specifications that are not considered overpackaged with respect to the specifications of the product (1), but due to the characteristics of the packaging, it is not necessary to define it precisely, and it can be appropriately determined by the user within a range having a size of 100 to 200% of the size of the corresponding part of the product (1), and the forward and backward movement distance and lifting height of the packaging gripper (130) and the trimming position by the gripper transfer unit (140), gripper lifting unit (150), and trimming gap adjustment unit (190) according to the specifications of the product (1) can be determined. In addition, to enable position control by the control unit (210), various actuators including the motor used in the present invention may be devices capable of controlling the rotation angle or driving distance.

[0041] A double-sided trimming type automatic packaging system (100) for compliance with overpackaging prevention standards according to one embodiment of the present invention may further include a scrap recovery unit (220) that collects and recovers scraps cut from a product receiving packaging paper (3) by a trimming unit (180).

[0042] The scrap recovery unit (220) comprises a scrap gripper (221) that allows the end of a product receiving packaging paper (3) to be trimmed by the trimming unit (180) to be gripped by a finger (221a) that performs closing and opening operations by a grip driving unit (221b); a grip shaft (222) that can be installed parallel to one side of the trimming unit (180) and fixed so that the scrap gripper (221) rotates together with it, and when the end of the product receiving packaging paper (3) held by the scrap gripper (221) is cut by the trimming unit (180) and becomes scrap, the scrap gripper (221) can drop the scrap by rotating by a shaft driving unit (not shown); a collection duct (223) provided to allow scrap to flow into the lower side of the scrap gripper (221); and a blower force for the collection duct (223) to suck in the scrap. It may include a blower (224) that provides.

[0043] The scrap gripper (221) can be connected to the grip drive unit (221b) so that each of the pair of fingers (221a) rotates around a parallel hinge axis, and when the fingers (221a) are closed to 0 degrees while extended to 180 degrees, it is possible to grip the scrap. To this end, the grip drive unit (221b) can be configured to rotate the fingers (221a) by the rotational driving force of a motor, the driving force transmitted by a cylinder and a link member, or various other methods.

[0044] The grip shaft (222) can be installed so as to be rotatable on, for example, the conveyor (184), and by rotating it by means of a shaft member that provides rotational force by means of a motor, etc., the position of the scrap gripper (221) can be rotated so that the scrap can be smoothly collected on the side of the collection duct (223).

[0045] The collection duct (223) can be connected to an external collection container, and scrap sucked in by the blowing force of the blower (224) can be collected in this collection container to perform subsequent processing.

[0046] The operation of the double-sided trimming type automatic packaging system for compliance with the overpackaging prevention standard according to the present invention will be explained together with the control operation of the control unit (210).

[0047] Referring to FIG. 1, packaging paper (2) that is drawn out from the upper packaging paper supply unit (121) and the lower packaging paper supply unit (122) and guided by guide rollers (123, 124) is connected to each other through a spaced gap between the front conveyor (111) and the rear conveyor (112), which is connected to each other by heat sealing during the process of cutting for packaging the previous product (1) by the cut-out unit (170).

[0048] Referring to FIG. 2, when the product (1) is supplied through the front conveyor (111), the control unit (210) receives information regarding the specifications of the product (1), and the packaging gripper (130) grips both sides of the connecting part of the packaging (2), and at the same time, according to the standards set corresponding to the specifications of the product (1), the packaging gripper (130) reaches a set position and height by the gripper transfer unit (140) and the gripper lifting unit (150), and the product (1) is received by the operation of the front conveyor (111) into the inner side where the packaging (2) overlaps each other.

[0049] Referring to FIG. 3, when the product (1) is received into the overlapping inner side of the packaging (2), the control unit (210) can cause the packaging (2) to be cut and heat-sealed in two layers in the shear width direction of the product (1) by the operation of the heating cutter (172) by the cut-out unit (170). Then, the product receiving packaging (3) is moved to be positioned between the trimming unit (180) by the operation of the rear conveyor (112).

[0050] Referring to FIG. 4, the control unit (210) can move the trimming unit (180) to a position corresponding to the specification information of the product (1) to be trimmed by the operation of the trimming interval adjustment unit (190), thereby allowing both ends of the packaging paper (3) to be heat-sealed and cut to a desired depth. At this time, the scrap generated by the cutting of the trimming unit (180) can be collected by falling into the collection duct (223) by the rotational operation of the grip shaft (222) and the release operation of the scrap gripper (221) while the scrap gripper (221) is already gripped.

[0051] According to the double-sided trimming type automatic packaging system for compliance with the overpackaging prevention standards of the present invention, by preventing overpackaging of a product, it is possible to align with the trend of minimizing packaging through the reduction of packaging materials at the source, and furthermore, not only can it provide consumers with a positive perception of resource conservation, but it can also resolve negative perceptions regarding product exaggeration and prevent a decrease in repurchase due to damage to the credibility of the product brand.

[0052] Although the present invention has been described with reference to the attached drawings, it is understood that various modifications and variations may be made within the scope of the technical spirit of the invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be defined by the claims set forth below as well as equivalents thereof. Explanation of the symbols

[0053] 1 : Product 2 : Packaging 3: Product receiving packaging 111, 112: Conveyor 121 : Upper packaging material supply unit 122 : Lower packaging material supply unit 123, 124 : Guide roller 130 : Wrapping paper gripper 131 : Finger 132 : Grip drive unit 140 : Gripper transfer unit 150 : Gripper lifting unit 160: Gripper spacing adjustment part 170: Cutout part 171 : Base 172 : Heating cutter 173 : Cut drive unit 180 : Trimming unit 181 : Base 182 : Heating cutter 183: Trimming drive unit 184: Transfer table 185 : Guide 190 : Trimming interval adjustment part 210: Control unit 220: Scrap recovery unit 221 : Scrap gripper 221a : Finger 221b : Grip drive unit 222 : Grip shaft 223 : Collection duct 224 : Blower

Claims

Claim 1 Conveyors provided in multiple rows and columns to transport products of measured specifications; upper and lower packaging material supply units, each installed on the upper and lower sides of the conveyors and supplying packaging materials capable of heat sealing and cutting so as to be connected to each other by heat sealing through the space between the front conveyor and the rear conveyor; packaging material grippers, each gripping both sides of the packaging materials supplied from the upper and lower packaging material supply units and connected to each other; a gripper transport unit that transports the packaging material grippers in a front-rear direction parallel to the transport direction of the product; a gripper lifting unit that raises and lowers the packaging material grippers; a gripper spacing adjustment unit that adjusts the spacing between the packaging material grippers; a cut-out unit that heat-seals and cuts the front end of the product in the width direction from the packaging material when the product is received by the front conveyor on the overlapping inner side of the packaging material pulled backward by the packaging material grippers; and a product receiving packaging material, each installed on both sides of the rear conveyor and moving by the conveyor with the front and rear ends sealed by the continuous operation of the cut-out unit. A double-sided trimming type automatic packaging system for compliance with overpackaging prevention standards, comprising: a trimming unit for heat-sealing cutting open sides; a trimming gap adjustment unit for adjusting the gap between the trimming units; and a control unit that receives information on the specifications of the product and controls the gripper transfer unit, the gripper lifting unit, and the trimming gap adjustment unit to comply with overpackaging prevention standards determined in accordance with the specifications of the product. Claim 2 A double-sided trimming type automatic packaging system for compliance with over-packaging prevention standards, wherein the packaging gripper is configured such that a finger performs closing and opening operations by means of a grip driving unit to grip while engaging with a connecting portion of the packaging, and is installed on gripper transfer units provided on each side of the rear conveyor, wherein the gripper transfer units are raised together with the packaging gripper by means of the gripper lifting unit and move along the width direction of the conveyor together with the packaging gripper by means of the gripper spacing adjustment unit. Claim 3 In claim 1, the trimming unit comprises: a base on which the rear conveyor side is positioned parallel; a heating cutter positioned above the base and positioned between the base and the product receiving packaging sheet to be cut while sealing with heat by pressing downward; a trimming drive unit for raising and lowering the heating cutter; a conveyor installed so as to be connected to the trimming drive unit and the heating cutter; and a guide for guiding the heating cutter to be raised and lowered on the conveyor; wherein the trimming gap adjustment unit reciprocates each of the conveyors along the width direction of the conveyor, a double-sided trimming type automatic packaging system for compliance with overpackaging prevention standards. Claim 4 A double-sided trimming type automatic packaging system for compliance with overpackaging prevention standards, further comprising: a scrap recovery unit for gripping and recovering scrap cut from the product receiving packaging paper by the trimming unit in any one of claims 1 to 3. Claim 5 In claim 4, the scrap recovery unit comprises: a scrap gripper that grips the end of the product receiving packaging paper to be trimmed by the trimming unit by a finger that performs closing and opening operations by a grip driving unit; a grip shaft installed parallel to one side of the trimming unit and fixed so as to rotate together with the scrap gripper, and which rotates by a shaft driving unit so that the scrap gripper can drop the scrap when the end of the product receiving packaging paper held by the scrap gripper is cut by the trimming unit and becomes scrap; a collection duct provided to allow the scrap to flow into the lower side of the scrap gripper; and a blower that provides blowing power for the collection duct to suck the scrap; a double-sided trimming type automatic packaging system for compliance with overpackaging prevention standards.

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