Carton forming structure

Abstract

The utility model discloses a carton forming structure which sequentially comprises a longitudinal cutting assembly and a longitudinal cutting assembly, the longitudinal cutting assembly comprises a fixed beam and a base connected to the fixed beam in a sliding mode, a knife rest is movably connected to the base, a longitudinal cutting knife is connected to the knife rest, and a third driving assembly is arranged between the base and the knife rest; the third driving set drives the tool rest to swing back and forth relative to the base. And the transverse cutting assembly is used for transversely cutting the paperboards. The carton forming machine realizes automatic processing of carton forming.

Description

[0001] This application is a divisional application of application number 202423061418.1 filed on December 11, 2024, entitled "Carton Forming Machine". Technical Field

[0002] This utility model relates to the field of cardboard box forming machine technology, and in particular to a cardboard box forming structure. Background Technology

[0003] Cardboard boxes are the most widely used packaging products, typically used as wrapping materials for goods or as protective outer layers for items. Cardboard box packaging machines, also known as cardboard box forming machines or cardboard box opening machines, use single-piece cardboard sheets molded by a die-cutting machine as packaging box blanks. After the cardboard box is erected, the sides or bottom are sealed, allowing it to be directly used for product packaging. Currently, in cardboard box forming machines on the market, the feeding, creasing, slotting, punching, slitting, and cross-cutting stations need to be set up sequentially along the cardboard conveying direction. This means the cardboard first undergoes creasing and slotting, followed by punching, slitting, and cross-cutting. The punching, slitting, and cross-cutting stations, in particular, require high precision. However, most adjacent stations require manual assistance to move the cardboard, resulting in low automation and low processing efficiency, which also easily leads to high defect rates. Utility Model Content

[0004] The purpose of this utility model is to design a carton forming machine to overcome the shortcomings of the above-mentioned technologies.

[0005] The cardboard box forming structure designed in this utility model includes, in sequence:

[0006] The longitudinal cutting assembly includes a fixed beam and a base slidably connected to the fixed beam. A tool holder is movably connected to the base, and a longitudinal cutting blade is connected to the tool holder. A third drive group is provided between the base and the tool holder, and the third drive group drives the tool holder to reciprocate relative to the base.

[0007] Cross-cutting assembly, used for cross-cutting cardboard.

[0008] Preferably, the assembly also includes a punching assembly located before the longitudinal cutting assembly. The punching assembly includes a punching mechanism and a conveying roller mechanism. The punching mechanism includes a crossbeam and a roller body rotatably connected to the crossbeam. A cutter holder is provided on the roller body, and a punching cutter is provided on the cutter holder. The conveying roller mechanism includes a conveying roller located below the roller body. A first drive group is provided between the cutter holder and the roller body, and the cutter holder is driven by the first drive group to reciprocate along the axial direction of the roller body.

[0009] Further optimization: the first drive group includes a movable seat and a rack and gear transmission structure. The rack and gear transmission structure includes a slide rail three, a slider three, a rack, a gear one, and a drive component one. The slider three is connected to the movable seat. The rack and the slide rail three are both fixed to the crossbeam. The drive component one is installed on the movable seat. The drive component one drives the gear one to rotate. The gear one meshes with the rack.

[0010] Preferably, the conveyor roller is driven to rotate by a second drive group, which includes a second drive component, a first sprocket, a second sprocket, and a chain belt. The first sprocket is connected to the second drive component, the second sprocket is connected to the conveyor roller, and the second sprocket and the first sprocket are driven by a chain belt.

[0011] Preferably, the punching mechanism further includes a third drive group for driving the roller to rotate. The third drive group includes gear two, gear three and drive component three. Gear two is connected to drive component three, gear one is connected to the end of the roller, and gear one and gear two cooperate with each other.

[0012] Preferably, the base is slidably connected to the fixed beam via a transmission mechanism, and the base slides back and forth along the length of the fixed beam.

[0013] Further optimization includes a rack mechanism fixed to a fixed beam and extending along the length of the fixed beam; a gear mechanism that cooperates with the rack mechanism is provided on the base; and a second drive source for driving the gear mechanism to rotate is also provided on the base.

[0014] Further optimization involves providing a movable block on the base, which is slidably connected to the base via a drive mechanism.

[0015] Further optimization includes a rotating block, a transmission assembly, and a driving component. The rotating block is rotatably connected to the base. The transmission assembly includes a driving wheel and a driven wheel that mesh with each other. The driving component connects to the driving wheel and drives it to rotate in both directions. The driven wheel is connected to the rotating block. The rotating block has a slide rail on its surface. The movable block is slidably fitted into the slide rail, so that when the rotating block rotates, the movable block can move axially along the slide rail. A tie rod is provided between the movable block and the tool holder.

[0016] Preferably, the cross-cutting assembly includes a cross-cutting mechanism and a rotating roller mechanism. The cross-cutting mechanism includes a rotating roller and a cross-cutting blade located on the rotating roller. The cross-cutting blade extends along the axial direction of the rotating roller. A fourth drive group is provided at the end of the rotating roller. The rotating roller mechanism includes a rotating roller located below the rotating roller and a fifth drive group for driving the rotating roller to rotate.

[0017] The technical advantages of this utility model are that it includes a punching assembly, a longitudinal cutting assembly, and a transverse cutting assembly, which realizes the fully automatic punching, longitudinal cutting, and transverse cutting processes of cardboard boxes. In other words, the punching, longitudinal cutting, and transverse cutting of cardboard can be completed in one go, which not only has high production efficiency and low defect rate, but also saves labor costs. Attached Figure Description

[0018] Figure 1 This is an overall structural diagram of the present invention;

[0019] Figure 2 This is a side view of the overall structure of this utility model;

[0020] Figure 3 This is a structural diagram of the first frame;

[0021] Figure 4 This is a structural diagram of the leading edge feeder;

[0022] Figure 5 This is a structural diagram of the feeding group;

[0023] Figure 6 This is an overall structural diagram of the longitudinal indentation assembly;

[0024] Figure 7 This is a structural diagram of the upper indentation structure;

[0025] Figure 8 This is a structural diagram of the indentation structure;

[0026] Figure 9 This is an overall structural diagram of the transverse indentation assembly;

[0027] Figure 10 This is a structural diagram of the knife roller in the transverse indentation assembly;

[0028] Figure 11 This is a structural diagram of a horizontally slotted assembly;

[0029] Figure 12 This is a structural diagram of the discharge conveyor line;

[0030] Figure 13 This is a structural diagram of the second rack;

[0031] Figure 14 This is an overall structural diagram of the punching assembly;

[0032] Figure 15 This is another perspective view of the overall structure of the punching assembly;

[0033] Figure 16 yes Figure 15 Enlarged view of point A in the middle;

[0034] Figure 17 yes Figure 15 Enlarged view at point B in the middle;

[0035] Figure 18 This is a side view of the overall structure of the punching assembly;

[0036] Figure 19 This is an overall structural diagram of the longitudinally cut component;

[0037] Figure 20 This is another perspective view of the overall structure of the longitudinally cut component;

[0038] Figure 21 This is the overall structural diagram of the cross-section component.

[0039] In the picture:

[0040] 1. First frame; 11. Paper feed assembly; 111. Leading edge paper feeder; 1111. Through hole; 1112. Roller; 1113. Drive unit; 1114. Vent hole; 1115. Air extraction unit; 1116. Support platform; 112. Feeding unit; 1121. Mounting beam; 1122. Limiting plate; 1123. Baffle;

[0041] 12. Longitudinal indentation mechanism; 121. Upper indentation structure; 1211. Upper beam; 1212. Base one; 1213. Upper cutter wheel; 1214. Base two; 1215. First rack structure; 1216. First gear structure; 1217. First driving component;

[0042] 122. Lower indentation structure; 1221. Lower beam; 1222. Base three; 1223. Lower cutter wheel; 1224. Rotary shaft one;

[0043] 13. Transverse indentation mechanism; 131. Cutting roller; 1312. Transverse indentation cutter; 133. Gear set; 134. Lead screw pair; 135. Sliding block; 136. Mounting block; 137. Guide rail; 138. First drive source; 139. Synchronizing rod; 1310. Transmission roller;

[0044] 14. Horizontal slotting assembly; 141. Support beam; 142. Rotating shaft two; 143. Cutter shaft; 144. Slotting cutter; 145. Roller; 146. Slide rail one; 147. Slider one; 148. Sliding seat; 149. Gear and rack assembly; 1410. Slide rail two; 1411. Slider two;

[0045] 15. Discharge conveyor line; 151. Conveyor belt; 152. Baffle plate;

[0046] 2. Second frame; 21. Punching assembly; 211. Crossbeam; 212. Roller; 2121. Slide groove two; 2122. Guide rail; 213. Tool holder; 2131. Annular seat; 2132. Punching tool; 2133. Slide groove one; 214. Conveyor roller; 215. Moving seat; 216. Slide rail one; 217. Slider one; 218. Rack; 219. Gear one; 2110. Drive component one; 2111. Drive component two; 2112. Sprocket one; 2113. Sprocket two; 2114. Chain belt; 2115. Gear two; 2116. Gear three; 2117. Drive component three; 2118. Connecting seat; 2119. Base block;

[0047] 22. Longitudinal cutting assembly; 221. Base; 222. Tool holder; 223. Longitudinal cutting blade; 224. Movable block; 225. Rotating block; 226. Slide rail; 227. Fixed beam; 228. Tie rod;

[0048] 23. Cross-cutting assembly; 231. Rotating roller; 232. Cross-cutting blade; 233. Fourth drive group; 234. Rotating roller; 235. Fifth drive group;

[0049] 24. Frame; 241. Support frame; 242. Second rack structure; 243. Second gear structure; 244. Pulley. Detailed Implementation

[0050] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model are within the protection scope of the present utility model.

[0051] This utility model includes a first frame 1 and a second frame 2, wherein the first frame 1 is provided with the following in sequence:

[0052] The paper feeding assembly 11 includes a leading edge feeder 111 for supporting and conveying paperboard and a feed group 112 located above the feeder. The feed group 112 is used to limit the paperboard stacked on the leading edge feeder 111 and allow only a single sheet of paperboard to advance.

[0053] The creasing assembly includes a transverse creasing mechanism 13 and a longitudinal creasing mechanism 12 for respectively creasing the cardboard transversely and longitudinally.

[0054] The transverse grooving assembly 14 includes a support beam 141, a second rotating shaft 142 on the support beam 141, at least one cutter shaft 143 axially mounted on the second rotating shaft 142, the cutter shaft 143 reciprocating axially along the second rotating shaft 142, a grooving cutter 144 on the outer periphery of the cutter shaft 143, and parallel rollers 145 below the second rotating shaft 142.

[0055] The second frame 2 is equipped with, in sequence:

[0056] The longitudinal cutting assembly 22 includes a fixed beam 227 and a base 221 slidably connected to the fixed beam 227. A blade holder 222 is movably connected to the base 221, and a longitudinal cutting blade 223 is connected to the blade holder 222. A third drive group is provided between the base 221 and the blade holder 222, and the third drive group drives the blade holder 222 to reciprocate relative to the base 221.

[0057] The cross-cutting assembly 23 includes a cross-cutting mechanism and a rotating roller mechanism. The cross-cutting mechanism includes a rotating roller 231 and a cross-cutting blade 232 located on the rotating roller 231. The cross-cutting blade 232 extends along the axial direction of the rotating roller 231. A fourth drive group 233 is provided at the end of the rotating roller 231. The rotating roller mechanism includes a rotating roller 234 located below the rotating roller 231 and a fifth drive group 235 that drives the rotating roller 234 to rotate.

[0058] That is, the paperboard is first conveyed to the creasing assembly by the paper feeding assembly 11. The transverse creasing mechanism 13 and the longitudinal creasing mechanism 12 creasing the paperboard transversely and longitudinally, respectively. Then the paperboard is transversely grooved by the transverse slotting assembly 14, and then longitudinally cut by the longitudinal cutting assembly 22. Finally, the paperboard is transversely cut by the transverse cutting assembly 23.

[0059] The leading edge feeder 111 includes a support platform 1116, on which uniformly distributed through holes 1111 are provided. Each through hole 1111 contains a rolling roller 1112 for conveying paperboard. The rolling rollers 1112 are connected and driven by a drive device 1113. The support platform 1116 also has uniformly distributed ventilation holes 1114. Below the support platform 1116 is an air extraction group 1115 that communicates with the ventilation holes 1114. The air extraction group 1115 evacuates the ventilation holes 1114, so that the paperboard on the support platform 1116 is subjected to negative pressure adsorption.

[0060] The feeding assembly 112 includes a horizontally arranged mounting beam 1121. A vertical limiting plate 1122 is provided on the front side of the mounting beam 1121. The limiting plate 1122 can be adjusted up and down along the height direction of the mounting beam 1121, and can also move back and forth along the length direction of the mounting beam 1121, thereby achieving lateral position adjustment. The lateral movement and vertical movement of the limiting plate 1122 are both achieved through a screw drive structure, so that a gap is left between the bottom end of the limiting plate 1122 and the surface of the support platform, allowing only a single sheet of paperboard to pass through. This allows the paperboard to move forward in an orderly manner under the transmission of the leading edge feeder 111.

[0061] Mounting beam 1121 has baffles 1123 on both sides of baffle 1123. The baffles 1123 are equipped with slider structures, and the mounting beam 1121 is equipped with a slide rail structure that slides with the sliders. This allows the baffles 1123 to slide back and forth along the horizontal line of mounting beam 1121, ultimately making the spacing between the two baffles 1123 adjustable. This makes it suitable for cardboard of different lengths. When multiple cardboards are stacked together, the baffles 1123 block the stacked cardboards from both sides, allowing the stacked cardboards to be aligned and stacked. Then, by the limiting plate 1122, the cardboard passes through and is conveyed to the next component one by one.

[0062] The longitudinal indentation mechanism 12 includes an upper indentation structure 121 and a lower indentation structure 122. The upper indentation structure 121 includes an upper beam 1211, and the lower indentation structure 122 includes a lower beam 1221.

[0063] The upper beam 1211 and the lower beam 1221 are distributed vertically and parallel to each other. Both the upper beam 1211 and the lower beam 1221 are distributed horizontally. The upper beam 1211 is provided with upper creasing wheels distributed front to back. Each upper creasing wheel can slide back and forth horizontally along the upper beam 1211. The lower beam 1221 is provided with lower creasing wheels that correspond one-to-one with the lower creasing wheels. Each lower creasing wheel can slide back and forth horizontally along the lower beam 1221. The upper and lower creasing wheels that correspond vertically form a creasing wheel group, thus forming a creasing wheel group distributed front to back. The upper and lower creasing wheels of each creasing wheel group mesh with each other to creasing the cardboard.

[0064] The upper indentation wheel includes a base 1212 and an upper cutting wheel 1213. The base 1212 is slidably connected to the upper beam 1211 through a first transmission structure. The base 1212 is slidably connected to a second base 1214. The upper cutting wheel 1213 is connected to the second base 1214. The first transmission structure includes a first rack structure 1215 fixed to the upper beam 1211 in the left and right direction. The base 1212 is provided with a first gear structure 1216 that meshes with the first rack structure 1215. The base 1212 is also provided with a first driving member 1217 that drives the first gear structure 1216 to rotate, so that the base 1212 can move left and right through the cooperation of the first gear structure 1216 and the first rack structure 1215.

[0065] The upper beam 1211 is also provided with a first guide structure, which includes two sets of first guide rails connected to the upper beam 1211 and extending laterally. Each set of first guide rails is slidably fitted with a first slider. The base 1212 and the base 2 1214 are respectively connected to a first slider. The two first sliders are respectively slidably fitted with the two first guide rails, thereby guiding the upper indentation wheel.

[0066] The lower indentation wheel includes a base 1222, a lower cutting wheel 1223, and a rotating shaft 1224. A second transmission structure is provided between the base 1222 and the lower beam 1221. The structure and working principle of the second transmission structure are the same as those of the first transmission structure, and will not be described in detail here. The first and second transmission structures can adopt belt drive, rack and pinion drive, lead screw drive, gear chain drive, worm gear drive, etc. The first and second transmission structures can adopt the same transmission structure or different transmission structures. The lower cutter wheel 1223 is connected to the base 3 1222 and sleeved on the corresponding rotating shaft 1224. There are two rotating shafts 1224, which are distributed front and back and arranged parallel to each other. The lower cutter wheels 1223 are sleeved on the corresponding rotating shafts 1224. The lower cutter wheel 1223 has an axial polygonal mounting hole in the center. The rotating shaft 1224 is a polygonal shaft body. The rotating shaft 1224 is inserted into the mounting hole to form a sleeve, so that the lower cutter wheel 1223 can rotate with the rotating shaft 1224 and can reciprocate along the length of the rotating shaft 1224. The driving device is connected to the rotating shaft 1224 and drives the rotating shaft 1224 to rotate. The rotating shaft 1224 drives the lower cutter wheel 1223 to rotate. One end of the two rotating shafts 1224 is connected to the driving device through gear transmission to realize the synchronous rotation of the two rotating shafts 1224. Of course, the two rotating shafts 1224 can also be controlled to rotate separately, which will not be elaborated here. The lower beam 1221 is also equipped with a second guide structure. The structure and working principle of the second guide structure are the same as those of the first guide structure, and will not be described in detail here.

[0067] The horizontal creasing mechanism 13 includes a knife roller 131 and a drive roller 1310 that are parallel to each other. The knife roller 131 is located above or below the drive roller 1310. That is, the knife roller 131 can be above or below the drive roller 1310. When the knife roller 131 is above the drive roller 1310, the paperboard is conveyed between the knife roller 131 and the drive roller 1310, and the knife roller 131 creasing the surface of the paperboard from top to bottom, that is, a creasing is formed on the upper surface of the paperboard. When the knife roller 131 is below the drive roller 1310, the paperboard is conveyed between the knife roller 131 and the drive roller 1310, and the knife roller 131 creasing the paperboard from bottom to top, that is, a creasing is formed on the lower surface of the paperboard, thus meeting different production needs.

[0068] The cutter roller 131 is equipped with a transmission structure, which includes a lead screw pair 134, a sliding block 135, a guide rail 137, a first drive source 138, and a synchronizing rod 139. The guide rail 137 is vertically arranged, and each end of the cutter roller 131 is provided with two symmetrically distributed guide rails 137, with two corresponding sliding blocks 135 slidingly engaged on the guide rails 137. A mounting block 136 is provided at the end of the cutter roller 131, and the sliding blocks 135 are connected to both sides of the mounting block 136 to ensure that the sliding blocks 135 are connected to the mounting block 136. For stability during downward sliding, the lead screw in the lead screw pair 134 is vertically mounted on the bracket. The nut in the lead screw pair 134 is connected to the mounting block 136. The first drive source 138 is connected to the lead screw. The first drive source 138 is usually a motor. The first drive source 138 drives the lead screw to rotate forward and backward. The nut moves along the lead screw, which drives the mounting block 136 to move up and down. The first drive sources 138 at both ends of the cutter roller 131 are synchronized through the synchronizing rod 139, so that the cutter roller 131 can move horizontally up and down.

[0069] Both ends of the cutter roller 131 and the transmission roller 1310 are provided with gear sets 133. The gear sets 133 include driven gear sets 133 and driving gear sets 133. The driven gear sets 133 and driving gear sets 133 mesh with each other and are driven by a driving component, ultimately realizing the rotation of the cutter roller 131 and the transmission roller 1310.

[0070] It should be noted that transmission mechanisms can also be provided at both ends of the transmission roller 1310. The structure of the transmission mechanism is the same as that on the cutter roller 131, allowing the transmission roller 1310 to move closer to or further away from the cutter roller 131, that is, the transmission roller 1310 can achieve height position adjustment. Each cutter roller 131 and transmission roller 1310 is connected to an individual drive unit, allowing each cutter roller 131 and transmission roller 1310 to rotate independently, thereby controlling their own speed independently. This allows the cutter roller 131 and transmission roller 1310 to arbitrarily switch between three states: constant speed, acceleration, and deceleration.

[0071] The surface of the cutter roller 131 is provided with a transverse indentation knife 1312. The transverse indentation knife 1312 includes a knife holder and an indentation blade. The knife holder extends along the axial direction of the cutter roller 131, and the indentation blade is located in the center of the knife holder. The bottom surface of the knife holder is in close contact with and adapted to the surface of the cutter roller 131. That is, the bottom surface of the knife holder is an arc surface that fits with the arc surface of the cutter roller 131.

[0072] The transverse grooving assembly 14 includes a support beam 141, on which a second rotating shaft 142 is mounted. At least one cutter shaft 143 is axially mounted on the second rotating shaft 142. In this embodiment, the cutter shaft 143 is sleeved on the second rotating shaft 142. The cutter shaft 143 reciprocates axially along the second rotating shaft 142 via a transmission structure. Grooving cutters 144 are provided on the outer periphery of the cutter shaft 143. Parallel rollers 145 are located below the second rotating shaft 142. Paperboard is conveyed between the rollers 145 and the cutter shaft 143.

[0073] The transverse grooving assembly 14 also includes a slide rail 146 coaxially mounted on the support beam 141, a slider 147 slidably connected to the slide rail 146, and the slider 147 connected to the cutter shaft 143; the transverse grooving assembly 14 also includes a transmission structure, which includes a sliding seat 148 and a gear and rack assembly 149, the rack assembly in the gear and rack assembly 149 being arranged along the extension direction of the support beam 141, a drive motor being mounted on the sliding seat 148, the output end of the drive motor being connected to the gear assembly in the gear and rack assembly 149, the sliding seat 148 being connected to the cutter shaft 143, the sliding seat 148 reciprocating along the support beam 141 under the drive of the gear and rack assembly 149 and the drive motor, and the cutter shaft 143 reciprocating along the axis of the rotating shaft 142 under the drive of the sliding seat 148, thereby realizing the adjustment of the position of the cutter shaft 143 along the transverse direction of the rotating shaft 142.

[0074] Both the ends of the rotating shaft 142 and the roller 145 are provided with a driving structure. In this embodiment, the driving structure adopts a gear or sprocket chain structure. Through the driving structure, the rotating shaft 142 and the roller 145 rotate independently.

[0075] The surface of the rotating shaft 142 is provided with an axially extending slide rail 1410, and the inner wall of the cutter shaft 143 is provided with a slider 1411 that slides in cooperation with the slide rail 1410, so that the cutter shaft 143 can slide stably along the axial direction of the rotating shaft 142. In this embodiment, there are multiple slide rails 1410, which are distributed equidistantly in a ring around the outer periphery of the rotating shaft 142. Correspondingly, there are also multiple sliders 1411, which are arranged in a one-to-one correspondence with the slide rails 1410 to ensure the stability of the reciprocating sliding of the cutter shaft 143.

[0076] Furthermore, a punching assembly 21 is provided between the transverse grooving assembly 14 and the longitudinal cutting assembly 22. The punching assembly 21 includes a punching mechanism and a conveyor roller 214 mechanism distributed vertically. Both the punching mechanism and the conveyor roller 214 mechanism are components of the carton forming machine and are fixed to the main body of the carton forming machine. The punching mechanism is used to punch holes in the cardboard, and the conveyor roller 214 mechanism is used to convey the cardboard. The punching mechanism includes a crossbeam 211, and a roller body 212 is rotatably connected below the crossbeam 211. The axial direction of the roller body 212 is consistent with the extension direction of the crossbeam 211, that is, the roller body 212 and the crossbeam 211 are connected in the same direction. The rollers 212 and 213 are arranged in parallel. The roller body 212 is fitted with a knife holder 213 on its outer periphery. The knife holder 213 can slide back and forth along the axial direction of the roller body 212. The crossbeam 211 is provided with a first drive group for driving the knife holder 213 to slide. The knife holder 213 is provided with a punching knife 2132. The punching knife 2132 is driven to punch holes by the rotation of the roller body 212. The conveying roller 214 mechanism includes a conveying roller 214 located below the roller body 212 and a second drive group for driving the conveying roller 214 to rotate. The conveying roller 214 conveys the paperboard to the area below the punching mechanism, so that the punching mechanism can punch the paperboard.

[0077] The first drive assembly includes a movable seat 215 and a rack and pinion 218 gear transmission structure for driving the movable seat 215 to reciprocate. The rack and pinion 218 gear transmission structure includes a slide rail three, a slider three, a rack 218, a gear one 219, and a drive component one 2110. The slider three is fixed on the movable seat 215. The movable seat 215 reciprocates along the extension direction of the slide rail three through the cooperation of the slide rail three and the slider. The rack and pinion 218 gear transmission structure is used to drive the movable seat 215 to move. Both the rack 218 and the slide rail three are fixed on the crossbeam 211 and both extend along the axial direction of the roller body 212. Gear 219 is connected to the output end of drive unit 2110 and engages with rack 218. Drive unit 2110 is mounted on movable seat 215. Drive unit 2110 drives gear 219 to rotate. Gear 219 meshes with rack 218, allowing movable seat 215 to slide along the extension direction of rack 218. By rotating gear 219 in both directions, movable seat 215 can slide back and forth along rack 218. Movable seat 215 is connected to cutter holder 213, allowing cutter holder 213 to move back and forth along roller body 212 axially under the drive of movable seat 215.

[0078] The first drive group can also be any conventional linear transmission structure on the market, such as a gear transmission structure or a belt synchronous transmission structure, which will not be elaborated here.

[0079] The second drive group includes a second drive component 2111, a first sprocket 2112, a second sprocket 2113, and a chain belt 2114. The first sprocket 2112 is connected to the output end of the second drive component 2111, and the second sprocket 2113 is connected to the end of the conveyor roller 214. The second sprocket 2113 and the first sprocket 2112 are driven by the chain belt 2114.

[0080] The punching mechanism also includes a third drive group for driving the roller 212 to rotate. The third drive group includes gear 2115, gear 3 2116 and drive component 3 2117. Gear 2 2115 is connected to the output end of drive component 3 2117, and gear 1 219 is connected to the end of roller 212. Gear 1 219 cooperates with gear 2 2115.

[0081] The second and third drive groups mentioned above can also be any conventional transmission structures on the market, such as gear transmission structures and belt synchronous transmission structures, which will not be elaborated here.

[0082] The knife holder 213 includes an annular seat 2131, which is sleeved on the outer periphery of the roller 212. The inner wall of the annular seat 2131 is provided with an axial groove 2133, and the outer wall of the roller 212 is provided with an axial groove 2121. The groove 2121 is provided with a guide rail 2122 in the same direction. The guide rail 2122 extends out from the bottom surface of the groove 2121 or is detachably fixed in the groove 2121 by fasteners. The guide rail 2122 and the groove 2133 form a sliding fit, so that the knife holder 213 can move back and forth along the axial direction of the roller 212. In this embodiment, the punching knife 2132 is an annular knife body, which is detachably installed on the outer periphery of the annular seat 2131 by a base. The extension path shape of the punching knife 2132 is adapted to the outer periphery of the annular seat 2131, and is arc-shaped. As the roller 212 rotates, the punching knife 2132 punches the cardboard.

[0083] Furthermore, there are multiple grooves 2133, which are distributed equidistantly along the inner wall of the annular seat 2131. Grooves 2121 and guide rails 2122 are set in a one-to-one correspondence with grooves 2133 to ensure the sliding stability of the annular seat 2131 along the roller 212.

[0084] Furthermore, a connecting seat 2118 is fixedly provided on the movable seat 215, and two sliders are provided on the connecting seat 2118. The two sliders are symmetrically distributed on the front and rear sides of the movable seat 215. The number of sliders corresponds one-to-one with the number of slide rails. That is, the movable seat 215 slides synchronously through two sets of slide rails and sliders to ensure the sliding stability of the movable seat 215.

[0085] Furthermore, the bottom of the movable seat 215 has a plate-like or block-like structure, and two relatively distributed base blocks 2119 are provided on the outer peripheral wall of the tool holder 213. A gap is left between the two base blocks 2119. The bottom of the movable seat 215 is inserted into the gap and fixedly connected by fasteners. The purpose of this design is to make the connection between the movable seat 215 and the tool holder 213 more stable and to avoid loosening between the movable seat 215 and the tool holder 213.

[0086] Drive component 1 2110, drive component 2 2111 and drive component 3 2117 can be driven by motors, hydraulic cylinders and pneumatic cylinders, etc. The specific structure and working principle will not be described in detail here.

[0087] The longitudinal cutting assembly 22 includes a fixed beam 227 and a base 221. The base 221 is slidably connected to the fixed beam 227 through a transmission mechanism. The base 221 slides back and forth along the length of the fixed beam 227. The transmission mechanism includes a rack mechanism fixed to the fixed beam 227 and extending along the length of the fixed beam 227. The base 221 is provided with a gear mechanism that cooperates with the rack mechanism. The base 221 is also provided with a second drive source for driving the gear mechanism to rotate. The transmission mechanism can also be a belt structure, a lead screw pair structure, or other transmission structures.

[0088] A longitudinal cutting blade 223 is connected to the blade holder 222, and a movable block 224 is provided on the base 221. The movable block 224 is located at the bottom of the base 221 and is slidably connected to the base 221 through a drive mechanism. The drive mechanism includes a rotating block 225, a transmission assembly, and a drive component. In this embodiment, the rotating block 225 is a cylindrical structure, and its two axial ends are rotatably connected to the base 221 through pins, so that the rotating block 225 can rotate axially relative to the base 221. The drive component is usually a motor and is fixed on the base 221. The transmission assembly is a gear set, which includes a driving wheel and a driven wheel. The driving wheel is connected to the output end of the drive component, and the driven wheel is connected to the pin. The driving wheel and the driven wheel mesh with each other. The drive component drives the driving wheel to rotate forward and backward, and the driving wheel drives the driven wheel to rotate forward and backward. The driven wheel is connected to the pin. The rotating block 225 rotates forward and backward under the drive of the driven wheel. Of course, the transmission assembly can also be other transmission methods.

[0089] The surface of the rotating block 225 is provided with a slide 226. The slide 226 is opened on the surface of the cylinder and extends axially to form a spiral-like path. The movable block 224 is slidably fitted in the slide 226 and can slide along the path of the slide 226. When the rotating block 225 rotates, the movable block 224 moves axially along the path of the slide 226. The movable block 224 is connected to the tool holder 222 by a pull rod 228, so that the movable block 224 pulls the pull rod 228, and the pull rod 228 pulls the tool holder 222, causing the tool holder 222 to rotate along the base 221.

[0090] The cross-cutting assembly 23 includes a cross-cutting mechanism and a rotating roller 234 mechanism. The cross-cutting mechanism includes a rotating roller 231 and a cross-cutting blade 232 located on the rotating roller 231. The cross-cutting blade 232 extends along the axial direction of the rotating roller 231. A fourth drive group 233 is provided at the end of the rotating roller 231. The rotating roller 234 mechanism includes a rotating roller 234 located below the rotating roller 231 and a fifth drive group 235 that drives the rotating roller 234 to rotate. The fourth drive group 233 and the fifth drive group 235 can be a gear set structure or a sprocket set structure.

[0091] The first frame 1 has a discharge conveyor line 15 located below the transverse slotting assembly 14. The discharge conveyor line 15 includes a transverse conveyor belt 151, on which waste material cut off by the transverse slotting assembly 14 falls directly onto the conveyor belt 151. The waste material is collected and cleaned by the conveyor belt 151. Baffles 152 are provided on the front and rear sides of the conveyor belt 151 to prevent waste material from falling into the equipment.

[0092] The second frame 2 includes a bracket 24, and a support frame 241 is provided at the bottom of the bracket 24. The support frame 241 is arranged close to the first frame 1. A second rack structure 242 is provided on the support frame 241, and the second rack structure 242 extends in the front-back direction. A second gear structure 243 that cooperates with the second rack structure 242 is provided at the bottom of the bracket 24. A drive structure for driving the second gear structure 243 to rotate is provided on the bracket 24 or the support frame 241. At the same time, a pulley 244 is provided on the bracket 24, and a corresponding slide rail is provided on the support frame 241. Under the simultaneous action of the pulley 244 and the rack and gear structure, the bracket 24 can slide back and forth along the front-back direction of the support frame 241.

[0093] This utility model is not limited to the above-described preferred embodiments. Anyone can derive other forms of products under the guidance of this utility model. However, regardless of any changes made in their shape or structure, any technical solution that is the same as or similar to this application falls within the protection scope of this utility model.

Claims

1. A carton forming structure characterised in that, Comprise successively: Longitudinal cutting assembly, comprising fixed beam and base slidingly connected to fixed beam, said base is movably connected with cutter holder, said cutter holder is connected with longitudinal cutter, third drive group is arranged between base and cutter holder, said third drive group drives cutter holder to make reciprocating swing action relative to base; Transverse cutting assembly, used for transversely cutting paperboard.

2. The carton forming structure of claim 1 wherein, Also comprise punching assembly located in front of longitudinal cutting assembly, said punching assembly comprises punching mechanism and conveying roller mechanism, said punching mechanism comprises cross beam and roller body rotatably connected to cross beam, said roller body is provided with cutter seat, said cutter seat is provided with punching cutter; said conveying roller mechanism comprises conveying roller located below roller body; first drive group is arranged between cutter seat and roller body, said cutter seat is driven by first drive group to move axially along roller body.

3. The carton forming structure of claim 2 wherein, Said first drive group comprises moving seat and rack and pinion transmission structure, said rack and pinion transmission structure comprises sliding rail three, sliding block three, rack, gear one and driving piece one, sliding block three is connected to moving seat, rack and sliding rail three are fixed to cross beam, driving piece one is installed on moving seat, driving piece one drives gear one to rotate, gear one is engaged with rack.

4. The carton forming structure of claim 2 wherein, Said conveying roller is driven to rotate by second drive group, said second drive group comprises driving piece two, chain wheel one, chain wheel two and chain belt, said chain wheel one is connected to driving piece two, said chain wheel two is connected to conveying roller, said chain wheel two and chain wheel one are driven by chain belt.

5. The carton forming structure of claim 3 wherein, Said punching mechanism further comprises third drive group for driving roller body to rotate, said third drive group comprises gear two, gear three and driving piece three, said gear two is connected to driving piece three, said gear one is connected to end portion of roller body, said gear one and gear two are matched with each other.

6. The carton forming structure of claim 1 wherein, Said base is slidingly connected to fixed beam by transmission mechanism, said base reciprocatingly slides along length direction of fixed beam.

7. The carton forming structure of claim 6 wherein, Said transmission mechanism comprises rack mechanism fixed to fixed beam and extending along length direction of fixed beam, said base is provided with gear mechanism matched with rack mechanism, said base is further provided with second drive source for driving gear mechanism to rotate.

8. The carton forming structure of claim 7, wherein, Said base is provided with movable block, said movable block is slidingly connected to base by driving mechanism.

9. The carton forming structure of claim 8, wherein, Said driving mechanism comprises rotating block, transmission group and driving piece, said rotating block is rotatably connected to base, said transmission group comprises driving wheel and driven wheel engaged with each other, said driving piece is connected to driving wheel and drives driving wheel to rotate forward and backward, driven wheel is connected to rotating block; surface of rotating block is provided with slide, said movable block is slidingly fitted in slide, so that when rotating block rotates, said movable block can axially move along slide, said movable block and cutter holder are provided with pull rod.

10. The carton forming structure of claim 1 wherein, Said transverse cutting assembly comprises transverse cutting mechanism and rotating roller mechanism, said transverse cutting mechanism comprises rotating roller and transverse cutter located on rotating roller, said transverse cutter extends along axial direction of rotating roller, end portion of rotating roller is provided with fourth drive group, said rotating roller mechanism comprises rotating roller located below rotating roller and fifth drive group for driving rotating roller to rotate.

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