A fully automatic corner cutting machine

Abstract

The application relates to the technical field of packaging and discloses a full-automatic corner cutting machine which comprises a base, four corner cutting devices are arranged on the base, the four corner cutting devices are respectively located at four corners of a product, the corner cutting device comprises a corner cutting baffle structure, a corner cutting cutting structure and a corner cutting pushing structure, the corner cutting baffle structure abuts against one side of a product to be cut, the corner cutting pushing structure pushes the other side of the product to be cut which is perpendicular to the one side, and the corner cutting cutting structure cuts and heats a redundant packaging bag, the one side of the product to be cut is abutted against by the corner cutting baffle structure, then the other side of the product to be cut which is perpendicular to the one side is pushed by the corner cutting pushing structure, finally the redundant packaging bag is cut and heated by the corner cutting cutting structure, so that the edges of the product can be neat, the appearance of product packaging is improved, and the product packaging quality is improved; since the four corner cutting devices are arranged at the four corners of the product, the corner cutting devices can cut the four corners of the product, and the product can be more beautiful.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of packaging, in particular to a full-automatic corner cutting machine. BACKGROUND

[0002] The packaging machine is a mechanical equipment for packaging products. When the packaging machine packages products, the packaging bag is usually larger than the product, so the packaging bag often has excess edges, which affects the packaging effect of the product. The welding seam at the film wrapping position of the packaging machine is not neat enough when the packaging machine packages products, which reduces the fineness of the packaging and affects the favor of the product in the consumer's mind.

[0003] In related technologies, the packaged products are usually manually hot shrunk and cut by artificial.

[0004] Due to manual corner cutting, the production efficiency of the packaged products is low, and the quality is difficult to control, which may cause the corners of the packaging to be irregular, affecting the appearance of the product packaging. SUMMARY

[0005] In order to improve the situation that the corners of the packaging bag are irregular, the present application provides a full-automatic corner cutting machine.

[0006] The full-automatic corner cutting machine provided by the present application adopts the following technical scheme:

[0007] The full-automatic corner cutting machine comprises a base, four corner cutting devices are arranged on the base, the four corner cutting devices are respectively located at the four corners of the product, the corner cutting device comprises a corner cutting baffle structure, a corner cutting cutting structure and a corner cutting pushing structure, the corner cutting baffle structure abuts against one side of the product to be cut, the corner cutting pushing structure pushes the other side of the product to be cut which is perpendicular to each other, and the corner cutting cutting structure cuts and heats the excess packaging bag.

[0008] By adopting the above technical scheme, one side of the product is abutted by the corner cutting baffle structure, then the other side of the product which is perpendicular to each other is pushed by the corner cutting pushing structure, and finally the excess packaging bag is cut and heated by the corner cutting cutting structure, so that the edges of the product can be neat, the appearance of the product packaging is improved, and the packaging quality of the product is improved. Since the four corner cutting devices are arranged at the four corners of the product, the corner cutting device can cut the four corners of the product, so that the product can be more beautiful.

[0009] Optionally, the corner cutting baffle structure comprises a corner cutting baffle, a corner cutting baffle moving assembly and a corner cutting extraction assembly, the corner cutting baffle moving assembly drives the corner cutting baffle to abut against the corner cutting product, the corner cutting baffle is provided with a corner cutting perforation, the corner cutting extraction assembly comprises a corner cutting extraction pipeline, the corner cutting extraction pipeline communicates with the corner cutting perforation, and the corner cutting extraction pipeline sucks the packaging bag through the corner cutting perforation.

[0010] By adopting the technical scheme, the movement of the cutting corner baffle moving assembly to the cutting corner baffle makes the cutting corner baffle structure not produce a protrusion between the product and the packaging bag, so that the cut product corner is complete; the cutting corner extraction pipeline extracts the excess packaging bag through the cutting corner perforation, so that the packaging bag does not stay on the base, prevents the packaging bag from affecting the subsequent cutting process, and improves the cleanliness of the machine.

[0011] Optionally, the base is provided with a packaging module, the packaging module includes a packaging bag opening device and a product pushing device, the packaging bag opening device is used for opening the packaging bag, and the product pushing device is used for loading the product into the packaging bag; the packaging bag opening device includes a packaging bag cutting structure, a packaging bag opening structure and a packaging bag conveying structure, the packaging bag cutting structure is used for cutting the packaging bag, the packaging bag conveying structure is used for conveying the packaging bag, and the packaging bag opening structure is used for opening and moving the packaging bag; the packaging bag opening structure includes a packaging bag opening assembly and a packaging bag blowing assembly, the packaging bag opening assembly is used for opening the packaging bag, and the packaging bag blowing assembly is used for blowing air to the opened packaging bag; the packaging bag opening assembly includes an upper opening plate, a lower opening plate and an opening moving piece, the upper opening plate and the lower opening plate are arranged on the opening moving piece, the opening moving piece can drive the upper opening plate and the lower opening plate to insert into the packaging bag at the same time, and the opening moving piece drives the upper opening plate and the lower opening plate to move away from or close to each other.

[0012] By adopting the technical scheme, the packaging bag opening device and the product pushing device realize the full-automatic packaging of the product by the packaging bag; the opening moving piece moves the upper opening plate and the lower opening plate to open the packaging bag, and the packaging bag blowing assembly blows air to the packaging bag to facilitate the loading of the product into the packaging bag.

[0013] Optionally, the packaging bag cutting structure includes a packaging bag hooking assembly, the packaging bag hooking assembly includes a hooking moving piece and a hook strip, the hook strip is arranged on the hooking moving piece, the hook strip is provided with a hook block, and the hooking moving piece drives the hook block to extend into the packaging bag with one side opening.

[0014] By adopting the technical scheme, the hook block extends into the packaging bag, so that the hook block can keep one side of the packaging bag open, so that the upper opening plate and the lower opening plate extend into the packaging bag, and the packaging bag opening structure moves the packaging bag.

[0015] Optionally, the packaging bag cutting structure further comprises a packaging bag moving assembly, a packaging bag cutting assembly and a packaging bag opening assembly, the packaging bag moving assembly drives the packaging film to move, the packaging bag cutting assembly cuts and seals the packaging film, and the packaging bag opening assembly is used for opening the packaging bag with one side open, the packaging bag opening assembly comprises an upper opening plate, a lower opening plate and an opening moving piece, the upper opening plate and the lower opening plate are located between the two packaging films, and the upper opening plate and the lower opening plate are arranged on the opening moving piece, and the opening moving piece drives the upper opening plate and the lower opening plate to move away from or close to each other.

[0016] By adopting the above technical scheme, the opening moving piece moves the upper opening plate and the lower opening plate, so that the upper opening plate and the lower opening plate can open one side of the packaging film, and the hook block can open the other side of the packaging film, so that the packaging bag cutting assembly can better heat and cut the packaging film, and the subsequent upper opening plate and lower opening plate can better extend into the packaging bag, preventing the upper opening plate and the lower opening plate from being difficult to extend into the packaging bag due to the two sides of the packaging bag being close together.

[0017] Optionally, the sealing and cutting assembly comprises a cutting moving piece and a cutting piece, the cutting moving piece is used for moving the cutting piece, the cutting piece is used for heating and cutting the packaging bag, a limiting assembly is arranged on the base, the limiting assembly comprises a limiting cylinder and a limiting plate, the limiting cylinder is arranged on the base, the limiting plate is arranged on the limiting cylinder, and the limiting cylinder drives the limiting plate to be located on the movement path of the product.

[0018] By adopting the above technical scheme, the limiting cylinder drives the limiting plate to move, so that the limiting plate is located on the movement path of the product, so that the limiting plate can limit the product, so that the product can be fixed, so as to move the cutting piece to move the cutting piece, and cut and seal one side of the packaging bag opening.

[0019] Optionally, a cutting support frame is arranged on the base, a plurality of accommodating grooves are formed in the cutting support frame, the plurality of accommodating grooves are distributed along the length direction of the packaging bag, an accommodating block for inserting into the accommodating groove is arranged on the cutting support frame, the accommodating block is arranged on the limiting cylinder, and when the accommodating block is inserted into different accommodating grooves, the distance between the limiting cylinder and the cutting piece is different.

[0020] By adopting the above technical scheme, the accommodating block is inserted into different accommodating grooves, and the accommodating grooves are distributed along the length direction of the packaging bag, so that the distance between the limiting cylinder and the cutting piece is different, and since the distance between the limiting cylinder and the cutting piece is the distance of the product, the full-automatic corner cutting machine can adapt to different products when packaging.

[0021] Optionally, the limiting cylinder is provided with a placing plate, a plurality of placing grooves are formed in the placing plate, the plurality of placing grooves are distributed along the length direction of the packaging bag, the distance between adjacent two placing grooves is smaller than the distance between adjacent two containing grooves, and the containing block is provided with a placing strip for being inserted into the placing groove.

[0022] By adopting the above technical scheme, when the placing strip is inserted into different placing grooves, the distance between the placing strip and the placing plate can be adjusted due to the fact that the plurality of placing grooves are distributed along the length direction of the packaging bag, and the fact that the distance between adjacent two placing grooves is smaller than the distance between adjacent two containing grooves enables the placing strip to be located in different placing grooves to realize fine adjustment in a small range and increase the adaptability to different sizes of products.

[0023] Optionally, the containing block is provided with a containing strip, the placing strip is arranged on the containing strip, a movable element is slidably connected to the containing strip, the movable element comprises a first movable rod, a second movable rod and a third movable rod, the first movable rod is slidably connected to the containing block, the second movable rod is slidably connected to the containing strip, the third movable rod is slidably connected to the placing strip, the first movable rod can drive the third movable rod to protrude from the placing strip through the second movable rod, an adjusting hole is formed in the groove wall of the placing groove for the third movable rod to be inserted into, and when the containing block is inserted into the containing groove, the first movable rod drives the third movable rod to be inserted into the adjusting hole through the second movable rod.

[0024] By adopting the above technical scheme, when the containing block is inserted into the containing groove, the first movable rod drives the third movable rod to protrude from the placing strip through the second movable rod, so that the third movable rod can be inserted into the adjusting hole, and the hole wall of the adjusting hole can limit the third movable rod, and the placing strip and the placing plate can be more reliable.

[0025] Optionally, the placing plate is provided with a flattening assembly, the flattening assembly is used for enabling the packaging bag to be more fitted to the product, the flattening assembly comprises a flattening cylinder and a flattening plate, the flattening plate is arranged on the flattening cylinder, the flattening cylinder is detachably connected to the placing plate, and the flattening cylinder drives the flattening plate to move along the edge of the product.

[0026] By adopting the above technical scheme, the flattening plate is driven to move by the flattening cylinder, so that the flattening plate moves along the edge of the product, and the packaging bag can be more fitted to the product, thereby avoiding the situation that the packaging bag is protruded.

[0027] In summary, the present application has at least one of the following beneficial technical effects:

[0028] 1. The cutting corner baffle structure abuts one side of the product, then the cutting corner pushing structure pushes the other side of the product perpendicular to each other, and finally the cutting corner cutting structure heats and cuts the excess packaging bag, so that the edges of the product are neat, improving the appearance of the product packaging, and improving the quality of the product packaging. Four cutting corner devices are arranged at the four corners of the product, so that the cutting corner device can cut the four corners of the product, making the product more beautiful.

[0029] 2. The cutting corner baffle moving structure moves the cutting corner baffle, so that the cutting corner baffle structure does not produce protrusions between the product and the packaging bag, so that the cut product edges are complete; the cutting corner extraction pipeline extracts the excess packaging bag through the cutting corner perforation, so that the packaging bag does not stay on the base, preventing the packaging bag from affecting the subsequent cutting process, while improving the cleanliness of the machine. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 is a structural schematic diagram of embodiment 1;

[0031] Figure 2 is a structural schematic diagram of the cutting corner baffle structure in embodiment 1;

[0032] Figure 3 is a packaging schematic diagram of the cutting corner baffle structure in embodiment 1;

[0033] Figure 4 is Figure 3 is an enlarged schematic diagram of part A in

[0034] Figure 5 is Figure 2 is an enlarged schematic diagram of part B in

[0035] Figure 6 is a structural schematic diagram of the product pushing device in embodiment 1;

[0036] Figure 7 is a structural schematic diagram of the cutting corner device in embodiment 1;

[0037] Figure 8 is a structural schematic diagram of the cutting corner pushing structure in embodiment 1;

[0038] Figure 9 is a structural schematic diagram of embodiment 2;

[0039] Figure 10 is an exploded schematic diagram of the containing strip in embodiment 2;

[0040] Figure 11 is a sectional view of the containing strip in embodiment 2.

[0041] 100, base; 101, packaging module; 102, corner cutting device; 103, packaging bag opening device; 104, product pushing device; 105, packaging bag cutting structure; 106, packaging bag opening structure; 107, packaging bag conveying structure; 108, packaging bag moving assembly; 109, packaging bag hooking assembly; 110, packaging bag opening assembly; 111, packaging bag cutting assembly; 112, conveying support frame; 113, winding roller; 114, conveying roller; 115, moving motor; 116, hooking moving piece; 117, hook bar; 118, hook block; 119, upper opening plate; 120, lower opening plate; 121, opening moving piece; 122, packaging bag cutting knife; 123, cutting cylinder; 124, packaging bag opening assembly; 125, packaging bag blowing assembly; 126, upper opening plate; 127, lower opening plate; 128, opening moving piece; 129, transverse cylinder; 130, longitudinal cylinder; 131, opening support plate; 132, abutting cylinder; 133, abutting block; 135, packaging bag blowing pipeline; 136, packaging bag conveying belt; 137, product moving structure; 138, packaging bag arranging structure; 139, packaging bag sealing structure; 140, product moving conveying belt; 141, product lifting conveying assembly; 142, lifting cylinder; 143, product conveying belt; 144, lifting plate; 145, transverse moving cylinder; 146, horizontal moving cylinder; 147, arranging bar; 148, sealing cutting assembly; 149, sucking assembly; 150, cutting support frame; 151, cutting moving piece; 152, cutting piece; 153, limiting assembly; 154, corner cutting baffle structure; 155, corner pushing structure; 156, corner cutting structure; 157, corner moving structure; 158, corner moving cylinder; 159, corner moving plate; 160, corner blocking plate; 161, corner baffle moving assembly; 162, corner sucking assembly; 163, corner perforation; 164, corner pushing piece; 165, corner pushing plate; 166, corner cutting knife; 167, corner cutting moving piece; 168, moving hole; 169, containing groove; 170, containing bar; 171, containing block; 172, placing bar; 173, movable groove; 174, movable hole; 175, moving groove; 176, movable piece; 177, first movable rod; 178, second movable rod; 179, third movable rod; 180, placing plate; 181, insertion hole; 182, placing groove; 183, flattening assembly; 184, flattening cylinder; 185, flattening plate; 186, adjusting bar; 187, through hole; 188, adjusting hole; 189, adjusting block; 190, adjusting perforation. DETAILED DESCRIPTION

[0042] The following will be described in detail in combination with the accompanying drawings. Figures 1-11 The present application is further described in detail.

[0043] Example 1

[0044] The embodiment discloses a full-automatic corner cutting machine. Figure 1 The full-automatic corner cutting machine comprises a base 100, wherein a packaging module 101 and four corner cutting devices 102 are arranged on the base 100; the packaging module 101 is used for packaging processing of products; and the corner cutting devices 102 are used for corner cutting processing of the products.

[0045] The packaging module 101 comprises a packaging bag opening device 103 and a product pushing device 104. Figure 1 The packaging bag opening device 103 comprises a packaging bag cutting structure 105, a packaging bag opening structure 106 and a packaging bag conveying structure 107.

[0046] The packaging bag cutting structure 105 comprises a packaging bag moving assembly 108, a packaging bag hooking assembly 109, a packaging bag opening assembly 110 and a packaging bag cutting assembly 111. Figure 2 The packaging bag moving assembly 108 is used for moving a roll of packaging bags.

[0047] The packaging bag opening assembly 110 is used for opening the roll of packaging bags. Figure 3 The base 100 is fixedly connected with a conveying support frame 112.

[0048] The packaging bag moving assembly 108 comprises a winding roller 113, a plurality of conveying rollers 114 and a moving motor 115. Figure 2 The winding roller 113 is rotatably connected to the conveying support frame 112. Figure 3 The plurality of conveying rollers 114 are rotatably connected to the conveying support frame 112. The moving motor 115 is fixedly connected to the conveying support frame 112, and a rotating shaft of the moving motor 115 and the winding roller 113 are fixed to each other. The roll of packaging bags is formed by winding a single-face folded packaging film, and the roll of packaging bags is formed by two packaging films. The roll of packaging bags is arranged on the winding roller 113. The moving motor 115 drives the winding roller 113 to rotate, so that the roll of packaging bags moves towards the packaging bag cutting assembly 111 through the plurality of conveying rollers 114. The packaging bag opening assembly 110 opens the two packaging films, and the packaging bag hooking assembly 109 is additionally provided, so that the packaging film is cut by the packaging bag cutting assembly 111.

[0049] Referring to Figure 2 , the bag hooking assembly 109 comprises a hooking moving part 116 and a hook strip 117, the hooking moving part 116 comprises a hooking cylinder which is fixedly connected to the base 100. The hook strip 117 is fixedly connected to the driving shaft of the hooking cylinder, and the hook strip 117 is integrally formed with a hook block 118 on the surface of the bag moving assembly 108, which can hook the bag with one side opening.

[0050] Referring to Figure 4 , the bag opening assembly 110 comprises an upper opening plate 119, a lower opening plate 120 and an opening moving part 121, the upper opening plate 119 and the lower opening plate 120 are fixedly connected to the opening moving part 121, and the upper opening plate 119 and the lower opening plate 120 are located between the two packaging films. The opening moving part 121 is an opening moving cylinder in this embodiment, and can be other moving structures in other embodiments. The opening moving cylinder can drive the upper opening plate 119 and the lower opening plate 120 to separate or approach each other, so as to separate the two packaging films, so as to facilitate the heat sealing treatment of the packaging film by the bag cutting assembly 111.

[0051] Referring to Figure 2 , Figure 3 and Figure 4 , the packaging film is first moved to the bag opening assembly 110 by the winding roller 113 and the conveying roller 114, the two packaging films are located between the upper opening plate 119 and the lower opening plate 120, the opening moving part 121 opens the two packaging films by moving the upper opening plate 119 and the lower opening plate 120, and the hook block 118 hooks the side of the bag which has been heated and cut, so that the bag can be more conveniently heated and cut by the bag cutting assembly 111.

[0052] Referring to Figure 2 , the bag cutting assembly 111 comprises a bag cutting knife 122 and a cutting cylinder 123, the cutting cylinder 123 is fixedly connected to the conveying support frame 112, and the bag cutting knife 122 is fixedly connected to the driving shaft of the cutting cylinder 123. The bag cutting knife 122 can heat and cut the packaging film, so that the two packaging films are heat-shrunk to form a side, and the packaging bag is sealed from two sides to three sides. When the packaging film is conveyed to a certain distance, the cutting cylinder 123 drives the bag cutting knife 122 to heat and cut the packaging bag.

[0053] Referring to Figure 1 and Figure 5, the package opening structure 106 comprises a package opening assembly 124 and a package blowing assembly 125. The package opening assembly 124 is used for opening the package and moving the package from the package cutting structure 105 to the package conveying structure 107. The package blowing assembly 125 is used for blowing air into the opened package to facilitate the product being put into the package.

[0054] With reference to Figure 2 and Figure 5 , the package opening assembly 124 comprises an upper opening plate 126, a lower opening plate 127 and an opening moving part 128. The opening moving part 128 comprises a transverse air cylinder 129 and a longitudinal air cylinder 130, the transverse air cylinder 129 is fixedly connected to the base 100, and the longitudinal air cylinder 130 is fixedly connected to the transverse air cylinder 129. The upper opening plate 126 and the lower opening plate 127 are both fixedly connected to the longitudinal air cylinder 130, and the upper opening plate 126 and the lower opening plate 127 are both located inside the package with one side opening. The longitudinal air cylinder 130 can drive the upper opening plate 126 to move towards the direction away from or close to the lower opening plate 127, so as to open the package.

[0055] With reference to Figure 5 , the longitudinal air cylinder 130 is fixedly connected with an opening support plate 131, the opening support plate 131 is fixedly connected with an abutting air cylinder 132, and the driving shaft of the abutting air cylinder 132 is fixedly connected with an abutting block 133. When the abutting air cylinder 132 is started, the abutting block 133 is close to the upper opening plate 126, and the package is located between the abutting block 133 and the upper opening plate 126, so as to prevent the package from separating from the upper opening plate 126, thereby stably opening the package.

[0056] With reference to Figure 5 , the package blowing assembly 125 comprises a package blowing part and a package blowing pipeline 135, the package blowing part is fixedly connected to the transverse air cylinder 129, and the package blowing pipeline 135 is arranged on the package blowing part. The package blowing part blows air into the package through the package blowing pipeline 135, so as to make the package bulge, thereby facilitating the product being put into the package.

[0057] With reference to Figure 2 , Figure 4 and Figure 5When the transverse air cylinder 129 drives the longitudinal air cylinder 130 to move towards the packaging bag cutting structure 105, the hooking air cylinder drives the hook block 118 to insert into the packaging bag, and the two sides of the packaging bag are expanded, and then the upper expanding plate 126 and the lower expanding plate 127 are inserted into the packaging bag, at this time, the hooking air cylinder drives the hook block 118 to be separated from the packaging bag, and the abutting air cylinder 132 drives the abutting block 133 to abut against the packaging bag close to the upper expanding plate 126, and the longitudinal air cylinder 130 drives the upper expanding plate 126 to move away from the lower expanding plate 127, so that the packaging bag is expanded, at this time, the packaging bag blowing piece blows air into the packaging bag through the packaging bag blowing pipeline 135, and then the transverse air cylinder 129 drives the longitudinal air cylinder 130 to move towards the packaging bag conveying structure 107, so that the product is loaded into the packaging bag.

[0058] With reference to Figure 1 The packaging bag conveying structure 107 comprises a packaging bag conveying belt 136, and the packaging bag conveying belt 136 is fixedly connected to the base 100, and can drive the product to move after the product is loaded into the packaging bag.

[0059] With reference to Figure 6 The product pushing device 104 comprises a product moving structure 137, a packaging bag arranging structure 138 and a packaging bag sealing structure 139. The product moving structure 137 is used for pushing the product into the packaging bag. When the product is loaded into the packaging bag, the packaging bag arranging structure 138 arranges the packaging bag to prevent the packaging bag from protruding to one side. The packaging bag sealing structure 139 is used for sealing the packaging bag.

[0060] With reference to Figure 6 The product moving structure 137 comprises a product moving conveying belt 140 and a product lifting conveying assembly 141. The product moving conveying belt 140 is arranged on the base 100, and the product moving conveying belt 140 moves the product to the product lifting conveying assembly 141. The product lifting conveying assembly 141 comprises a lifting air cylinder 142 and a product conveying belt 143. The lifting air cylinder 142 is fixedly connected to the base 100, and a lifting plate 144 is fixedly connected to the surface of the lifting air cylinder 142. The product conveying belt 143 is fixedly connected to the lifting plate 144, and the product conveying belt 143 can drive the product to be loaded into the packaging bag.

[0061] With reference to Figure 6 The product is placed on the product moving conveying belt 140, the product moving conveying belt 140 drives the product to move to the product conveying belt 143, the lifting air cylinder 142 drives the product conveying belt 143 to lift, the product conveying belt 143 drives the product to move towards the packaging bag, and then the lifting air cylinder 142 drives the product conveying belt 143 to fall.

[0062] With reference to Figure 6The packing bag arrangement structure 138 comprises a transverse moving air cylinder 145, two horizontal moving air cylinders 146 and two arrangement strips 147. The transverse moving air cylinder 145 is fixedly connected to the base 100, and the two horizontal moving air cylinders 146 are fixedly connected to the transverse moving air cylinder 145. One of the arrangement strips 147 is fixedly connected to one of the horizontal moving air cylinders 146, and the other arrangement strip 147 is fixedly connected to the other horizontal moving air cylinder 146. The horizontal moving air cylinders 146 drive the arrangement strips 147 to move away from the other arrangement strip 147, so as to arrange the packing bags.

[0063] With reference to Figure 6 When the products are loaded into the packing bags, the transverse moving air cylinder 145 drives the horizontal moving air cylinders 146 to move towards the packing bags, and the horizontal moving air cylinders 146 drive the arrangement strips 147 to move away from the other arrangement strip 147, so as to arrange the packing bags, facilitating subsequent cutting of the packing bags.

[0064] With reference to Figure 6 The packing bag sealing structure 139 comprises a sealing cutting assembly 148 and a suction assembly 149. The sealing cutting assembly 148 is used for sealing and cutting the packing bags, and the suction assembly 149 is used for sucking the excess packing bags.

[0065] With reference to Figure 6 The base 100 is fixedly connected with a cutting support frame 150. The sealing cutting assembly 148 comprises a cutting moving part 151 and a cutting blade 152. The cutting moving part 151 comprises a cutting moving air cylinder, and the cutting blade 152 is fixedly connected to the cutting moving air cylinder. The cutting blade 152 can heat and cut the packing film, so as to seal the packing bags. The cutting moving air cylinder drives the cutting blade 152 to move towards the packing bags, so as to cut the packing bags.

[0066] With reference to Figure 6 The cutting support frame 150 is provided with a limiting assembly 153. The limiting assembly 153 is used for limiting the movement of the products on the packing bag conveying belt 136. The limiting assembly 153 comprises a limiting air cylinder and a limiting plate. The limiting air cylinder is fixedly connected to the cutting support frame 150, and the limiting plate is fixedly connected to the driving shaft of the limiting air cylinder. The limiting air cylinder drives the limiting plate to move, so that the limiting plate is located on the movement path of the products. When the products abut against the limiting plate, the cutting blade 152 cuts the packing bags.

[0067] With reference to Figure 7 The suction assembly 149 comprises a suction pipeline. The suction pipeline is fixedly connected to the base 100, and the suction pipeline sucks the excess packing bags.

[0068] With reference to Figure 7Four corner cutting devices 102 are fixedly connected to the base 100, and the packaging bag conveying belt 136 is located in the middle of the four corner cutting devices 102, that is, the four corner cutting devices 102 are respectively located at the four corners of the product with the corners cut. The corner cutting device 102 is used for cutting the corners of the packaging bag, so that the packaging bag and the product are attached to each other.

[0069] With reference to Figure 7 The corner cutting device 102 comprises a corner cutting baffle structure 154, a corner cutting pushing structure 155, a corner cutting cutting structure 156, and a corner cutting moving structure 157. The corner cutting baffle structure 154 is used for abutting against one side of the product, the corner cutting pushing structure 155 is used for pushing the packaging bag to move towards the corner cutting baffle structure 154, the corner cutting cutting structure 156 is used for performing a heating cutting treatment on the excess packaging bag, and the corner cutting moving structure 157 is used for driving the corner cutting baffle structure 154, the corner cutting pushing structure 155, and the corner cutting cutting structure 156 to move close to or away from the product.

[0070] With reference to Figure 7 The corner cutting moving structure 157 comprises a corner cutting moving cylinder 158 and a corner cutting moving plate 159. The corner cutting moving cylinder 158 is fixedly connected to the base 100, and the corner cutting moving plate 159 is fixedly connected to the corner cutting moving cylinder 158. The corner cutting moving cylinder 158 can drive the corner cutting moving plate 159 to move close to or away from the packaging bag conveying belt 136.

[0071] With reference to Figure 7 The corner cutting baffle structure 154 comprises a corner cutting blocking plate 160, a corner cutting baffle moving assembly 161, and a corner cutting extraction assembly 162. The corner cutting baffle moving assembly 161 is used for moving the corner cutting blocking plate 160, and the corner cutting extraction assembly 162 is used for extracting the excess packaging bag.

[0072] With reference to Figure 8 And Figure 8 The corner cutting baffle moving assembly 161 comprises a corner cutting baffle cylinder. The corner cutting baffle cylinder is fixedly connected to the corner cutting moving plate 159, and the corner cutting blocking plate 160 is fixedly connected to a driving shaft of the corner cutting baffle cylinder. The corner cutting baffle cylinder can drive the corner cutting blocking plate 160 to abut against the product. The corner cutting extraction assembly 162 comprises a corner cutting extraction pipeline. A corner cutting perforation 163 is formed in the surface of the corner cutting blocking plate 160. The corner cutting extraction pipeline and the corner cutting perforation 163 are in communication, and the corner cutting extraction pipeline can extract the excess packaging bag.

[0073] With reference to Figure 8The corner pushing structure 155 comprises a corner pushing member 164 and a corner pushing plate 165. The corner pushing member 164 comprises a corner pushing cylinder which is fixedly connected to the corner moving plate 159. The corner moving plate 159 is fixedly connected to a driving shaft of the corner pushing cylinder. The corner pushing cylinder drives the corner pushing plate 165 to move towards the corner blocking plate 160 until the corner pushing plate 165 abuts against the corner blocking plate 160, and the corner pushing plate 165 and the corner blocking plate 160 are perpendicular to each other.

[0074] Referring to Figure 7 The corner cutting structure 156 comprises a corner cutting knife 166 and a corner cutting moving member 167. The corner cutting moving member 167 comprises a corner cutting cylinder which is fixedly connected to the corner moving plate 159, and the corner cutting knife 166 is fixedly connected to a driving shaft of the corner cutting cylinder. The corner cutting cylinder drives the corner cutting knife 166 to move close to the packaging bag, and the corner cutting knife 166 can heat and cut the packaging bag.

[0075] Referring to Figure 8 and Figure 9 When the product moves to the position, the corner moving structure 157 drives the corner blocking plate structure 154, the corner pushing structure 155 and the corner cutting structure 156 to move close to the product. First, the corner blocking cylinder drives the corner blocking plate 160 to abut against the product. Then, the corner pushing cylinder drives the corner pushing plate 165 to move close to the corner blocking plate 160 along the edge of the product. Finally, the corner cutting cylinder drives the corner cutting knife 166 to cut the excess packaging bag. At this time, the corner extraction pipeline extracts the cut packaging bag through the corner perforation 163.

[0076] The implementation principle of embodiment 1 is that the packaging film is moved to the below of the packaging bag cutting knife through the rotation of the winding roller 113 and the conveying roller 114, the opening moving cylinder opens the packaging film through the upper opening plate 119 and the lower opening plate 120, at this time, the hooking moving piece 116 drives the hook strip 117 to move, the hook block 118 on the hook strip 117 is inserted between the opened packaging film, the hook block 118, the upper opening plate 119 and the lower opening plate 120 open the two sides of the packaging film, then the cutting cylinder 123 drives the packaging bag cutting knife 122 to cut the packaging film, so that the packaging film forms a packaging bag with one side opening, the opening moving piece 128 drives the upper opening plate 126 and the lower opening plate 127 to insert into the packaging bag, the packaging bag blowing piece blows the packaging bag through the packaging bag blowing pipeline 135, the opening moving piece 128 drives the packaging bag to move to the packaging bag conveying belt 136, at this time, the product moves to the product conveying belt 143 through the product moving conveying belt 140, the product conveying belt 143 is lifted and rotated through the lifting cylinder 142, so that the product is loaded into the packaging bag, the horizontal moving cylinder 145 and the horizontal moving cylinder 146 drive the arrangement strip 147 to arrange the packaging bag, then the limiting cylinder drives the limiting plate to limit the product to continue to move along the packaging bag conveying belt 136, at this time, the cutting moving piece 151 drives the cutting piece 152 to seal the last opening side of the packaging bag, and the suction pipeline sucks the excess packaging bag, then the limiting cylinder drives the limiting plate to move, so that the product can continue to move along the packaging bag conveying belt 136, until the packaging bag conveying belt 136 stops moving when moving to the corresponding position of the corner cutting device 102, the corner cutting moving structure 157 drives the corner cutting baffle structure 154, the corner cutting pushing structure 155 and the corner cutting cutting structure 156 to approach the product, the corner cutting baffle cylinder pushes the corner baffle 160 to abut against the product, the corner pushing cylinder drives the corner pushing plate 165 to approach the corner baffle 160 along the edge of the product, the corner cutting cylinder drives the corner cutting knife 166 to cut the excess packaging bag, at this time, the corner suction pipeline sucks the cut packaging bag through the corner perforation 163, and finally the product continues to move along the packaging bag conveying belt 136.

[0077] Embodiment 2

[0078] With reference to Figure 10 The difference between the embodiment and embodiment 1 is that the surface of the cutting support frame 150 is provided with a moving hole 168 extending along the length direction of the packaging bag conveying belt 136. The surface of the cutting support frame 150 is provided with a plurality of accommodating grooves 169 arranged along the length direction of the packaging bag conveying belt 136. The plurality of accommodating grooves 169 are in communication with the moving hole 168, and the length direction of the accommodating groove 169 and the length direction of the moving hole 168 are perpendicular to each other.

[0079] With reference to Figure 11The cutting support frame 150 is provided with a containing strip 170 which can pass through the moving hole 168. One end of the containing strip 170 is integrally provided with two containing blocks 171 which are perpendicular to the length direction of the containing strip 170 and can be inserted into the containing slots 169. The other end of the containing strip 170 is integrally provided with two placing strips 172 which are perpendicular to the length direction of the containing strip 170. The distance between the limiting plate and the sealing and cutting assembly 148 is different when the containing blocks 171 are inserted into different containing slots 169.

[0080] With reference to Figure 11 The surface of the containing strip 170 is provided with a movable slot 173 which extends along the length direction of the containing strip 170. The surface of the containing block 171 is provided with a movable hole 174 which communicates with the movable slot 173. The surface of the placing strip 172 is provided with a moving slot 175 which communicates with the movable slot 173. The movable slot 173 is slidably connected with a movable piece 176 which can slide in the movable slot 173, the movable hole 174 and the moving slot 175.

[0081] With reference to Figure 9 The movable piece 176 includes two first movable rods 177, a second movable rod 178 and two third movable rods 179. The first movable rod 177 is slidably connected in the movable hole 174 and the end of the first movable rod 177 which faces the movable slot 173 is a circular arc surface and can protrude from the containing block 171. The second movable rod 178 is slidably connected in the movable slot 173 and the direction of the second movable rod 178 which faces the first movable rod 177 and the direction which is far away from the axis of the second movable rod 178 form an inclined surface. The direction of the third movable rod 179 which faces the movable slot 173 and the direction which is far away from the axis of the third movable rod 179 form an inclined surface. The third movable rod 179 is slidably connected in the moving slot 175 and the end of the third movable rod 179 which faces the movable slot 173 is a circular arc surface and can protrude from the placing strip 172. In other embodiments, the two ends of the second movable rod 178 are circular arc surfaces.

[0082] With reference to Figure 10 and Figure 10The limiting cylinder is fixedly connected with a placing plate 180. A plurality of insertion holes 181 are formed in the surface of the placing plate 180 and are used for inserting the containing strips 170. The insertion holes 181 extend along the length direction of the packaging bag conveying belt 136. A plurality of placing grooves 182 are formed in the hole wall of the insertion hole 181 and are used for inserting the placing strips 172. The placing grooves 182 are arranged along the length direction of the insertion hole 181. The distance between the adjacent two placing grooves 182 is smaller than the distance between the adjacent two containing grooves 169. The position of the containing strip 170 can be adjusted, so that the distance between the limiting assembly 153 and the sealing and cutting assembly 148 can be more accurately adjusted.

[0083] With reference to Figure 11 and Figure 10 When the containing block 171 is inserted into the containing groove 169, the first movable rod 177 abuts against the groove wall of the containing groove 169. The first movable rod 177 abuts against the inclined surface of the second movable rod 178, so that the second movable rod 178 moves towards the third movable rod 179. The third movable rod 179 can stably protrude from the placing strip 172. At this time, the containing block 171 is fixed in the containing groove 169, and the placing strip 172 is fixed in the placing groove 182. The cutting support frame 150, the containing strip 170 and the placing plate 180 are fixed to each other.

[0084] With reference to Figure 10 The placing plate 180 is provided with two flat pushing assemblies 183. The two flat pushing assemblies 183 push the packaging bags on the two sides of the product, so that the packaging bags are prevented from being raised. The flat pushing assembly 183 comprises a flat pushing cylinder 184 and a flat pushing plate 185. The flat pushing plate 185 is fixedly connected to the driving roller of the flat pushing cylinder 184. The flat pushing cylinder 184 can drive the flat pushing plate 185 to move along the edge of the product.

[0085] With reference to Figure 11 and Figure 11 The placing plate 180 is provided with two adjusting plates. The two flat pushing cylinders 184 are fixedly connected to the surfaces of the different adjusting plates. The surface of the adjusting plate is integrally formed with an adjusting strip 186. The surface of the placing plate 180 is provided with a plurality of through holes 187 for inserting the adjusting strips 186. The through holes 187 extend along the length direction of the insertion hole 181. The through holes 187 are arranged along the direction perpendicular to the length direction of the insertion hole 181. When the adjusting strip 186 is inserted into the different through holes 187, the distance between the two adjusting plates is different.

[0086] With reference to Figure 10The adjusting hole 188 is provided with a through hole 187, and the adjusting hole 188 is communicated with the placing groove 182 and is used for inserting the third movable rod 179. The adjusting block 189 is slidably connected in the adjusting hole 188, and the adjusting block 189 can be inserted into the through hole 187 through the adjusting hole 188. The adjusting hole 188 is provided with an adjusting hole 190 for the adjusting block 189 to pass through. When the adjusting block 189 is inserted into the adjusting hole 190, the adjusting block 189 and the adjusting strip 186 are fixed to each other, so that the adjusting strip 186 is difficult to be separated from the through hole 187.

[0087] With reference to Figure 11 and ​ When the third movable rod 179 is inserted into the adjusting hole 188, the third movable rod 179 drives the adjusting block 189 to slide in the adjusting hole 188, so that the adjusting block 189 is inserted into the adjusting hole 190, the adjusting block 189 and the adjusting strip 186 are fixed to each other, and the adjusting plate can be fixed on the placing plate 180.

[0088] The implementation principle of the embodiment 2 is that people first insert the containing block 171 into the containing groove 169, so that the first movable rod 177 abuts against the bottom wall of the containing groove 169, the first movable rod 177 passes through the second movable rod 178 and the third movable rod 179, the third movable rod 179 protrudes from the placing strip 172, at this time, the third movable rod 179 is inserted into the placing groove 182 and the adjusting hole 188, the third movable rod 179 abuts against the adjusting block 189, the adjusting block 189 passes through the adjusting hole 190, the adjusting block 189 and the adjusting strip 186 are fixed to each other, the distance between the flattening assembly 183 and the sealing cutting assembly 148 is fixed, and the distance between the limiting assembly 153 and the sealing cutting assembly 148 is fixed.

[0089] Unless otherwise defined, technical terms or scientific terms used in the present application shall have the common meaning understood by one of ordinary skill in the art to which the present application pertains. The words “first”, “second”, “third” and the like used in the specification and claims of the present application do not denote any order, quantity or importance, but are used to distinguish different components. The words “one” or “a” and the like do not denote a quantity limitation, but mean that at least one exists. The words “include” or “contain” and the like mean that the elements or objects appearing before “include” or “contain” cover the elements or objects listed after “include” or “contain” and their equivalents, and do not exclude other elements or objects. “Up”, “down”, “left”, “right” and the like are only used to represent relative positional relationship, and when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0090] The above merely provides the preferred embodiments of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the design concept of the present application should be included in the protection scope of the present application.

Claims

1. A fully automatic corner cutting machine characterized in that: The application relates to a cutting corner device, which comprises a base (100) provided with four cutting corner devices (102), the four cutting corner devices (102) are respectively arranged at four corners of a product, the cutting corner device (102) comprises a cutting corner baffle structure (154), a cutting corner cutting structure (156) and a cutting corner pushing structure (155), the cutting corner baffle structure (154) abuts against one side of a product to be cut, the cutting corner pushing structure (155) pushes another side of the product to be cut which is perpendicular to the one side, and the cutting corner cutting structure (156) cuts and heats a redundant packaging bag. The cutting corner baffle structure (154) comprises a cutting corner baffle (160), a cutting corner baffle moving assembly (161) and a cutting corner extraction assembly (162), the cutting corner baffle moving assembly (161) drives the cutting corner baffle (160) to abut against the cutting corner product, the cutting corner baffle (160) is provided with a cutting corner perforation (163), the cutting corner extraction assembly (162) comprises a cutting corner extraction pipeline, the cutting corner extraction pipeline is communicated with the cutting corner perforation (163), and the cutting corner extraction pipeline extracts the packaging bag through the cutting corner perforation (163). The base (100) is provided with a packaging module (101), the packaging module (101) comprises a packaging bag opening device (103) and a product pushing device (104), the packaging bag opening device (103) is used for opening the packaging bag, the product pushing device (104) is used for loading the product into the packaging bag, the packaging bag opening device (103) comprises a packaging bag cutting structure (105), a packaging bag opening structure (106) and a packaging bag conveying structure (107), the packaging bag cutting structure (105) is used for cutting the packaging bag, the packaging bag conveying structure (107) is used for conveying the packaging bag, and the packaging bag opening structure (106) is used for opening the packaging bag, the packaging bag opening structure (106) comprises a packaging bag opening assembly (124) and a packaging bag blowing assembly (125), and the packaging bag opening assembly (124) is used for opening and moving the packaging bag. The packaging bag cutting structure (105) comprises a packaging bag hooking assembly (109), the packaging bag hooking assembly (109) comprises a hooking moving piece (116) and a hook strip (117), the hook strip (117) is arranged on the hooking moving piece (116), the hook strip (117) is provided with a hook block (118), and the hooking moving piece (116) drives the hook block (118) to extend into the packaging bag with one side opening. The packaging bag cutting structure (105) further comprises a packaging bag moving assembly (108), a packaging bag cutting assembly (111) and a packaging bag opening assembly (110), the packaging bag moving assembly (108) drives the packaging film to move, the packaging bag cutting assembly (111) cuts and seals the packaging film, and the packaging bag opening assembly (110) is used for opening the packaging bag with one side opening.

2. The fully automatic angle cutting machine according to claim 1, characterized in that: The packaging bag blowing assembly (125) is used for blowing air to the expanded packaging bag, the packaging bag expanding assembly (124) comprises an upper expanding plate (126), a lower expanding plate (127) and an expanding moving part (128), the upper expanding plate (126) and the lower expanding plate (127) are arranged on the expanding moving part (128), the expanding moving part (128) can drive the upper expanding plate (126) and the lower expanding plate (127) to be inserted into the packaging bag at the same time, and the expanding moving part (128) drives the upper expanding plate (126) and the lower expanding plate (127) to move away from or close to each other.

3. The fully automatic angle cutting machine according to claim 1, characterized in that: The packaging bag opening assembly (110) comprises an upper opening plate (119), a lower opening plate (120) and an opening moving part (121), the upper opening plate (119) and the lower opening plate (120) are located between two packaging films, the upper opening plate (119) and the lower opening plate (120) are arranged on the opening moving part (121), and the opening moving part (121) drives the upper opening plate (119) and the lower opening plate (120) to move away from or close to each other.

4. The fully automatic angle cutting machine according to claim 1, characterized in that: The product pushing device (104) comprises a packaging bag sealing structure (139), the packaging bag sealing structure (139) is used for sealing treatment of the packaging bag, the packaging bag sealing structure (139) comprises a sealing cutting assembly (148), the sealing cutting assembly (148) comprises a cutting moving part (151) and a cutting piece (152), the cutting moving part (151) is used for moving the cutting piece (152), the cutting piece (152) is used for heating cutting of the packaging bag, and the base (100) is provided with a limiting assembly (153), the limiting assembly (153) comprises a limiting cylinder and a limiting plate, the limiting cylinder is arranged on the base (100), the limiting plate is arranged on the limiting cylinder, and the limiting cylinder drives the limiting plate to be located on a movement path of the product.

5. A fully automatic angle cutter according to claim 4, characterized in that: The base (100) is provided with a cutting support frame (150), a plurality of containing grooves (169) are formed in the cutting support frame (150), the plurality of containing grooves (169) are distributed in the length direction of the packaging bag, the cutting support frame (150) is provided with a containing block (171) used for being inserted into the containing groove (169), the containing block (171) is arranged on the limiting cylinder, and when the containing block (171) is inserted into different containing grooves (169), the distance between the limiting cylinder and the cutting piece (152) is different.

6. A fully automatic angle cutter according to claim 5, characterized in that: The limiting cylinder is provided with a placing plate (180), a plurality of placing grooves (182) are formed in the placing plate (180), the plurality of placing grooves (182) are distributed in the length direction of the packaging bag, the distance between adjacent two placing grooves (182) is less than the distance between adjacent two containing grooves (169), and the containing block (171) is provided with a placing strip (172) used for being inserted into the placing groove (182).

7. A fully automatic angle cutter according to claim 6, characterized in that: The accommodating block (171) is provided with an accommodating strip (170), the placing strip (172) is arranged on the accommodating strip (170), the accommodating strip (170) is slidably connected with a movable element (176), the movable element (176) comprises a first movable rod (177), a second movable rod (178) and a third movable rod (179), the first movable rod (177) is slidably connected with the accommodating block (171), the second movable rod (178) is slidably connected with the accommodating strip (170), the third movable rod (179) is slidably connected with the placing strip (172), the first movable rod (177) can drive the third movable rod (179) to protrude from the placing strip (172) through the second movable rod (178), the slot wall of the placing groove (182) is provided with an adjusting hole (188) for inserting the third movable rod (179), when the accommodating block (171) is inserted into the accommodating groove (169), the first movable rod (177) drives the third movable rod (179) to insert into the adjusting hole (188) through the second movable rod (178).

8. The fully automatic angle cutter according to claim 6, characterized in that: The placing plate (180) is provided with a flattening assembly (183), the flattening assembly (183) is used for making the packaging bag more fit the product, the flattening assembly (183) comprises a flattening cylinder (184) and a flattening plate (185), the flattening plate (185) is arranged on the flattening cylinder (184), the flattening cylinder (184) is detachably connected with the placing plate (180), the flattening cylinder (184) drives the flattening plate (185) to move along the edge of the product.

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