CN111924219B - A material loading cutting device for product packaging machine - Google Patents
A material loading cutting device for product packaging machine Download PDFInfo
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- CN111924219B CN111924219B CN202011089904.8A CN202011089904A CN111924219B CN 111924219 B CN111924219 B CN 111924219B CN 202011089904 A CN202011089904 A CN 202011089904A CN 111924219 B CN111924219 B CN 111924219B
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- conveying
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B59/00—Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages, to handle different types of packaging material, or to give access for cleaning or maintenance purposes
- B65B59/003—Arrangements to enable adjustments related to the packaging material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B41/00—Supplying or feeding container-forming sheets or wrapping material
- B65B41/12—Feeding webs from rolls
- B65B41/16—Feeding webs from rolls by rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B57/00—Automatic control, checking, warning, or safety devices
- B65B57/02—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of binding or wrapping material, containers, or packages
- B65B57/04—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of binding or wrapping material, containers, or packages and operating to control, or to stop, the feed of such material, containers, or packages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
- B65B61/04—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages
- B65B61/06—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Replacement Of Web Rolls (AREA)
- Advancing Webs (AREA)
Abstract
The invention discloses a feeding and cutting device for a product packaging machine, which comprises a rack, a roll paper feeding device, a roll paper traction and conveying device and a roll paper cutting device, wherein a plurality of installation clamping positions are arranged on the rack; the roll paper feeding device is used for installing roll paper on the installation clamping position and comprises a feeding trolley and a feeding driving mechanism; the roll paper traction conveying device comprises a conveying mechanism and a guide mechanism; the plurality of groups of conveying mechanisms are sequentially arranged on the rack along the vertical direction; the guide mechanism comprises a guide fixing plate and a plurality of groups of guide pieces, the guide pieces are arranged on the guide fixing plate in a radial mode, and the outlet of each group of guide pieces is communicated with the feed inlet of the roll paper cutting device. The feeding and cutting device can freely change the specification of the roll paper, thereby being suitable for the packaging requirements of products with different specifications. In addition, material loading cutting device's degree of automation is higher, and conveying efficiency is higher.
Description
Technical Field
The invention relates to packaging equipment, in particular to a feeding and cutting device for a product packaging machine.
Background
Currently, some vulnerable equipment in industrial production needs to be protected on the surface by an outer package, and kraft paper as an environmental protection material is often used as a packaging material. Kraft paper is typically wound into a cylindrical shape (hereinafter referred to as a web) prior to use to reduce the space occupied. Because the width specifications of the roll paper are various, and the roll paper with different widths is required to be correspondingly used for packaging products with different dimensions, the roll paper is generally required to be manually carried, dragged and cut before being used, and the kraft paper is cut into required length so as to be used for packaging; but because the mass of the compacted web is heavy, labor is wasted and safety is not ensured by a manual operation mode; therefore need design out and to realize automatically that the roll web drags and the conveyor who cuts, for example the utility model patent of the grant bulletin number CN201824397U discloses "a kraft paper guillootine", kraft paper guillootine is including the pay-off actuating mechanism who is used for sending into the paper material and the mechanism that cuts that is used for cutting the paper material, pay-off actuating mechanism sets up with cutting the mechanism in order, kraft paper guillootine is still including the control mechanism who is used for controlling the process of cutting and the straining device who makes the kraft paper keep static and tensioning state in order to improve the cutting precision, straining device locates pay-off actuating mechanism and cuts between the mechanism, control mechanism and pay-off actuating mechanism, cut mechanism and straining device communication connection. The utility model provides a technique provides a cutting accuracy is high, and the conversion is cut the specification convenience, the adjustment is convenient, the noise is little, the fault rate is low, production efficiency is high, fast and degree of automation.
However, the kraft paper cutting machine has the following disadvantages:
(1) the kraft guillootine can only use a single roll of web, when the size of packing product changes, then need change the specification of web, so not only consuming time and power. And is inefficient.
(2) The kraft cutting machine cannot automatically install the roll paper in the kraft cutting machine, and the automation degree is not high.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a feeding and cutting device for a product packaging machine, and the feeding and cutting device can freely change the specification of roll paper, so that the feeding and cutting device is suitable for the packaging requirements of products with different specifications. In addition, material loading cutting device's degree of automation is higher, and conveying efficiency is higher.
The technical scheme for solving the technical problems is as follows:
a feeding and cutting device for a product packaging machine comprises a frame, a roll paper feeding device arranged on the frame, a roll paper traction and conveying device and a roll paper cutting device, wherein,
the rack is provided with a plurality of installation clamping positions for installing roll paper, and the installation clamping positions are sequentially arranged along the length direction of the rack; the roll paper feeding device is used for installing roll paper on the installation clamping position and comprises a feeding trolley and a feeding driving mechanism used for driving the feeding trolley to move along the length direction of the rack, wherein the feeding trolley comprises a moving frame, a feeding frame arranged on the moving frame and a first vertical driving mechanism used for driving the feeding frame to move vertically, the roll paper is composed of a supporting shaft and packing paper wound on the supporting shaft, the roll paper is placed on the feeding frame, and the supporting shafts on two sides of the roll paper extend outwards out of the feeding frame; the first vertical driving mechanism is used for driving the feeding frame to vertically move and is matched with the feeding driving mechanism to place the supporting shafts on two sides of the roll paper at the corresponding mounting clamping positions;
the roll paper traction and conveying device comprises a conveying mechanism arranged on the rack and a guide mechanism used for guiding roll paper conveyed by the conveying mechanism into the roll paper cutting device, wherein the conveying mechanisms are in a plurality of groups; the plurality of groups of conveying mechanisms are sequentially arranged on the rack along the vertical direction; the guide mechanism comprises guide fixing plates arranged on two sides of the rack and guide pieces arranged in the guide fixing plates, the guide pieces are in multiple groups, and the multiple groups of guide pieces correspond to the multiple groups of conveying mechanisms one by one; the multiple groups of guide pieces are arranged on the guide fixing plate in a radial shape, and the outlet of each group of guide pieces is communicated with the feed inlet of the roll paper cutting device; the wrapping paper conveyed by the conveying mechanism passes through the corresponding guide piece and then is gathered at the feed inlet of the roll paper cutting device.
Preferably, the conveying mechanism comprises a first conveying roller, a second conveying roller, a rotary driving mechanism for driving the second conveying roller to rotate, and a second vertical driving mechanism for driving the first conveying roller to vertically move, wherein the rotary driving mechanism comprises a rotary driving motor arranged on the rack, and the rotary driving motor is connected with the second conveying roller through a coupling; the second vertical driving mechanism comprises two groups of second vertical cylinders, the two groups of second vertical cylinders are respectively positioned on two sides of the first conveying roller, and a telescopic rod of each group of second vertical cylinders is connected with the first conveying roller.
Preferably, the web traction conveying device further comprises a traction guide mechanism, the traction guide mechanism comprises a plurality of groups of first traction rollers and second traction rollers, and the plurality of groups of first traction rollers and the second traction rollers are respectively in one-to-one correspondence with the plurality of groups of conveying mechanisms; the plurality of groups of second traction rollers are sequentially and rotatably connected to the rack along the vertical direction, and the first traction rollers are sequentially and rotatably connected to the rack along the length direction of the rack; and the wrapping paper coming out of the roll paper is wound around the corresponding second traction roller after passing around the corresponding first traction roller, and the wrapping paper enters the corresponding conveying mechanism after coming out of the second traction roller and is conveyed into the corresponding guide piece by the conveying mechanism.
Preferably, the guide member is two guide plates, and a space between the two guide plates forms a guide space for guiding the roll paper; the guide member is further provided with a guide port for guiding the roll paper into the guide space at a position close to the transport mechanism.
Preferably, the roll paper cutting device comprises a paper supporting plate, a paper cutter positioned above the paper supporting plate and a third vertical driving mechanism for driving the paper cutter to move vertically, two ends of the paper supporting plate are mounted on the rack, and an avoiding groove for avoiding a cutting edge of the paper cutter is arranged on the paper supporting plate; the third vertical driving mechanism comprises a third vertical cylinder and a vertical guide mechanism, the third vertical cylinder is mounted on the rack, and the telescopic rod is connected with the paper cutter; the vertical guide mechanisms are arranged on two sides of the paper cutter and consist of guide rods and guide holes matched with the guide rods, or consist of the guide rods and guide sleeves.
Preferably, the feeding driving mechanism comprises two groups of feeding driving motors and two groups of belt transmission mechanisms, the two groups of belt transmission mechanisms are positioned on two sides of the frame in the width direction, each group of belt transmission mechanisms comprises a driving pulley, a driven pulley and a synchronous belt, the driving pulley and the driven pulley are respectively arranged on two sides of the frame in the length direction, and the synchronous belt vertically surrounds the driving pulley and the driven pulley along the length direction of the frame; the driving belt wheel and the driven belt wheel of the two groups of belt transmission mechanisms are respectively connected through a connecting shaft; the feeding driving motor is connected with a connecting shaft positioned between the two groups of driving belt wheels through a speed reducer, an input shaft of the speed reducer is connected with a main shaft of the feeding driving motor, and an output shaft of the speed reducer is connected with the connecting shaft; both sides of the moving frame are positioned in the vertically surrounding synchronous belts.
Preferably, the feeding driving mechanism further comprises two groups of feeding guide mechanisms, and the two groups of feeding guide mechanisms are respectively positioned on two sides of the frame in the width direction; each group of feeding guide mechanisms comprises a guide shaft and a guide block matched with the guide shaft, and the guide shaft is arranged on the rack and extends along the length direction of the rack; the guide block is mounted on the movable frame.
Preferably, the feeding driving mechanism further comprises a detection mechanism, the detection mechanism comprises a detection plate arranged on the moving frame and a plurality of groups of detectors arranged on the rack, and the plurality of groups of detectors are sequentially arranged along the length direction of the rack and correspond to the plurality of groups of mounting clamps one by one; each group of detectors is provided with two detectors, namely a first detector and a second detector, and the first detector and the second detector are sequentially arranged along the movement direction of the feeding trolley; when the first detector detects the detection plate, the first vertical driving mechanism drives the feeding frame to move upwards; when the second detector detects the detection plate, the first vertical driving mechanism drives the feeding frame to move downwards and is matched with the feeding driving mechanism to place the supporting shafts on two sides of the roll paper at the installation clamping position.
Preferably, still be provided with in the frame and be used for preventing to remove the frame follow spacing post that breaks away from in the guiding axle, spacing post is two sets of, and every group is two, and is located the both ends of two sets of guiding axles respectively.
Preferably, the feeding frame is in a hopper shape, and two sides of the feeding frame are supporting parts for supporting two sides of the supporting shaft; the middle part of the supporting part is provided with a groove matched with the supporting shaft, and the supporting part is also provided with a guiding part used for guiding the supporting shaft to move into the groove.
Compared with the prior art, the invention has the following beneficial effects:
(1) the feeding and cutting device for the product packaging machine can automatically realize the feeding, conveying and cutting of the roll paper, can flexibly select the roll paper with corresponding specification according to the different specifications of the product to be packaged, and realizes automation in the whole process, thereby being beneficial to reducing the labor intensity of operators and improving the working efficiency.
(2) The rack of the feeding and cutting device for the product packaging machine is provided with a plurality of mounting screens, so that a plurality of roll paper with different sizes and specifications can be stored, a plurality of groups of conveying mechanisms are used for respectively and independently conveying the roll paper on the mounting screens, the corresponding guide pieces are used for guiding, the conveying of the roll paper is not interfered, and because the guide pieces are in a plurality of groups, and the outlets of the guide pieces are all communicated with the feed inlet of the roll paper cutting device, when the roll paper with different specifications needs to be replaced, only the last used wrapping paper needs to be retracted into the guide space of the guide pieces, so that the wrapping paper to be replaced passes through the feed inlet and then enters the cutting station under the conveying of the conveying mechanism, and the mutual interference of the wrapping paper can be avoided when the wrapping paper with different specifications is replaced, thereby ensuring the smooth operation of the cutting work.
(3) The feeding and cutting device for the product packaging machine can realize automatic switching of roll paper with various sizes and specifications under different application scenes, and complete machine equipment is switched from single type packaging to combined type packaging through an automatic industrial control technology, so that the universality of the equipment is improved, and the occupied space and the cost of the equipment are reduced.
Drawings
Fig. 1-3 are schematic structural views of a feeding and cutting device for a product packaging machine according to the present invention, wherein fig. 1 and 2 are schematic perspective structural views from two different perspectives, and fig. 3 is a side view.
Fig. 4-6 are three perspective views of the feeding driving mechanism.
Fig. 7 is a position diagram of the mounting clip on the rack.
Fig. 8-10 are schematic structural diagrams of the feeding trolley, wherein fig. 8 and 9 are schematic perspective structural diagrams from two different viewing angles, and fig. 10 is a side view.
Fig. 11 is a perspective view of the conveying mechanism.
Fig. 12-13 are schematic structural views of the guide mechanism, wherein fig. 12 is a schematic perspective structural view, and fig. 13 is a sectional view.
Fig. 14 is a schematic perspective view of a web cutting device.
Fig. 15 is a schematic perspective view of a web.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited thereto.
Referring to fig. 1 to 15, the loading and cutting device for a product packaging machine of the present invention includes a frame 2, a roll paper loading device 1 provided on the frame 2, a roll paper drawing and conveying device 3, and a roll paper cutting device 4.
Referring to fig. 1-15, a plurality of installation screens 10 for installing roll paper are arranged on the frame 2, and the installation screens 10 are sequentially arranged along the length direction of the frame 2; the roll paper feeding device 1 is used for installing roll paper on the installation clamping position 10, and comprises a feeding trolley and a feeding driving mechanism used for driving the feeding trolley to move along the length direction of the rack 2, wherein the feeding trolley comprises a moving frame 1-2, a feeding frame 1-1 arranged on the moving frame 1-2, and a first vertical driving mechanism used for driving the feeding frame 1-1 to move vertically, the roll paper is composed of a supporting shaft 11 and a wrapping paper wound on the supporting shaft 11, the roll paper is placed on the feeding frame 1-1, and the supporting shafts 11 on two sides of the roll paper extend outwards out of the feeding frame 1-1; the first vertical driving mechanism is used for driving the feeding frame 1-1 to vertically move, and is matched with the feeding driving mechanism to place the support shafts 11 on two sides of the roll paper at the corresponding mounting position 10, wherein the first vertical driving mechanism comprises two groups of first vertical air cylinders 1-14 and guide mechanisms 1-13, the first vertical air cylinders 1-14 are respectively positioned at two ends of the feeding frame 1-1, and the first vertical air cylinders are positioned at two ends of the same side of the feeding frame 1-1 in the embodiment; the first vertical cylinder 1-14 is arranged on the moving frame 1-2, and the telescopic rod is connected with the feeding frame 1-1; the number of the guide mechanisms 1-13 is two, and the two groups of guide mechanisms 1-13 are positioned at two ends of the other side of the feeding frame 1-1 and used for guiding the vertical movement of the feeding frame 1-1; wherein the guide means 1-13 may consist of a guide rod guide sleeve.
Referring to fig. 1-15, the web drawing and conveying device 3 includes a conveying mechanism 5 disposed on the frame 2 and a guiding mechanism 6 for guiding the wrapping paper conveyed by the conveying mechanism 5 into the web cutting device 4, wherein the conveying mechanisms 5 are in multiple groups; the plurality of groups of conveying mechanisms 5 are sequentially arranged on the rack 2 along the vertical direction; the guide mechanism 6 comprises guide fixing plates 6-1 arranged on two sides of the rack 2 and guide pieces 6-2 arranged in the guide fixing plates 6-1, the guide pieces 6-2 are in multiple groups, and the multiple groups of guide pieces 6-2 correspond to the multiple groups of conveying mechanisms 5 one by one; the multiple groups of guide pieces 6-2 are arranged on the guide fixing plate 6-1 in a radial shape, and the outlet of each group of guide pieces 6-2 is communicated with the feed inlet of the roll paper cutting device 4; the wrapping paper conveyed by the conveying mechanism 5 passes through the corresponding guide 6-2 and is collected at the feed inlet of the roll paper cutting device 4.
Referring to fig. 1 to 15, the conveying mechanism 5 includes a first conveying roller 5-4, a second conveying roller 5-5, a rotary driving mechanism for driving the second conveying roller 5-5 to rotate, and a second vertical driving mechanism for driving the first conveying roller 5-4 to move vertically, wherein the rotary driving mechanism includes a rotary driving motor 5-1 disposed on the frame 2, and the rotary driving motor 5-1 is connected with the second conveying roller 5-5 through a coupling; the second vertical driving mechanism comprises two groups of second vertical cylinders 5-2, the two groups of second vertical cylinders 5-2 are respectively positioned at two sides of the first conveying roller 5-4, and the telescopic rod of each group of second vertical cylinders 5-2 is connected with the first conveying roller 5-4. The second conveying roller 5-5 is driven to rotate by the rotary driving motor 5-1, so that the wrapping paper positioned between the first conveying roller 5-4 and the second conveying roller 5-5 is conveyed. In addition, the second vertical cylinder 5-2 drives the first conveying roller 5-4 to vertically move, so that an operator can conveniently and manually pull the wrapping paper in the roll paper into a position between the first conveying roller 5-4 and the second conveying roller 5-5 before work, and the subsequent automatic conveying of the wrapping paper by the conveying mechanism 5 is realized. In addition, each group of conveying mechanisms 5 is also provided with a diffuse reflection sensor 5-3, and the diffuse reflection sensor 5-3 is used for detecting whether the wrapping paper exists between the first conveying roller 5-4 and the second conveying roller 5-5.
Referring to fig. 1-15, the web traction conveying device 3 further includes a traction guide mechanism, the traction guide mechanism includes a plurality of groups of first traction rollers 7 and second traction rollers 8, and the plurality of groups of first traction rollers 7 and second traction rollers 8 respectively correspond to the plurality of groups of conveying mechanisms 5 one by one; the plurality of groups of second traction rollers 8 are sequentially and rotatably connected to the rack 2 along the vertical direction, and the first traction rollers 7 are sequentially and rotatably connected to the rack 2 along the length direction of the rack 2; the wrapping paper from the roll paper passes around the first drawing roller 7 corresponding to the roll paper and then surrounds the second drawing roller 8 corresponding to the roll paper, and the wrapping paper enters the conveying mechanism 5 corresponding to the roll paper after passing out of the second drawing roller 8 and is conveyed into the corresponding guide piece 6-2 by the conveying mechanism 5. By the arrangement of the structure, the wrapping paper in the roll paper can be guided to smoothly enter the corresponding conveying mechanism 5; in addition, the traction guide mechanism can enable wrapping paper in the roll paper to be not interfered with each other, so that the wrapping paper can be conveyed smoothly.
Referring to fig. 1 to 15, the guide member 6-2 is two guide plates, and a space between the two guide plates forms a guide space for guiding the web; the guide member 6-2 is further provided with a guide port 6-3 for guiding the web into the guide space at a position close to the transport mechanism 5; by the arrangement, the wrapping paper can be guided into the feeding port of the roll paper cutting device 4, namely when the conveying mechanism 5 drives the wrapping paper to move forwards, the wrapping paper moves between the two guide plates of the corresponding guide piece 6-2, and under the guidance of the two guide plates, the front end of the wrapping paper passes through the feeding port of the roll paper cutting device 4 and enters the cutting station, so that the roll paper cutting device 4 can cut the wrapping paper into a preset length; when the wrapping paper with different specifications needs to be replaced, the conveying mechanism 5 drives the wrapping paper to return to the guide space of the guide piece 6-2; and then the conveying mechanism 5 corresponding to the wrapping paper which meets the specification drives the wrapping paper to move and pass through a feeding hole of the roll paper cutting device 4 to enter the cutting station, so that the roll paper cutting device 4 can cut the wrapping paper into a preset length. By the mode, flexible selection of the packing paper with different specifications can be realized, so that the feeding and cutting device can automatically select the corresponding packing paper according to different specifications of products to be packed, automatically cut the packing paper into the preset length, and realize automation in the whole process.
Referring to fig. 1 to 15, the roll paper cutting device 4 comprises a paper supporting plate 4-4, a paper cutter 4-3 positioned above the paper supporting plate 4-4, and a third vertical driving mechanism for driving the paper cutter 4-3 to move vertically, wherein both ends of the paper supporting plate 4-4 are mounted on the frame 2, and an avoidance groove 4-5 for avoiding the cutting edge of the paper cutter 4-3 is arranged on the paper supporting plate 4-4; the third vertical driving mechanism comprises a third vertical cylinder 4-1 and a vertical guide mechanism 4-2, the third vertical cylinder 4-1 is installed on the rack 2, and the telescopic rod is connected with the paper cutter 4-3; the vertical guide mechanisms 4-2 are arranged on two sides of the paper cutter 4-3 and are composed of guide rods and guide holes. The third vertical cylinder 4-1 drives the paper cutter 4-3 to vertically move, and when the cutting edge of the paper cutter 4-3 is matched with the avoidance groove 4-5 on the paper supporting plate 4-4, the packaging paper on the paper supporting plate 4-4 is cut off.
Referring to fig. 1 to 15, the feeding driving mechanism includes feeding driving motors 1 to 8 and belt transmission mechanisms 1 to 3, where the belt transmission mechanisms 1 to 3 are two sets and located on two sides of the width direction of the rack 2, each set of belt transmission mechanism 1 to 3 includes a driving pulley, a driven pulley, and a synchronous belt, where the driving pulley and the driven pulley are respectively disposed on two sides of the length direction of the rack 2, and the synchronous belt vertically surrounds the driving pulley and the driven pulley along the length direction of the rack 2; the driving belt wheel and the driven belt wheel of the two groups of belt transmission mechanisms 1-3 are respectively connected through a connecting shaft; a speed reducer 1-9 is arranged between the feeding driving motor 1-8 and a connecting shaft between the two groups of driving belt wheels, an input shaft of the speed reducer 1-9 is connected with a main shaft of the feeding driving motor 1-8, and an output shaft of the speed reducer is connected with the connecting shaft; both sides of the moving frame 1-2 are positioned in a vertically surrounding synchronous belt. The belt transmission mechanisms 1-3 are driven to work by the feeding driving motors 1-8, so that the feeding trolley is driven to move along the length direction of the rack 2, the feeding trolley can convey roll paper to the corresponding mounting clamping positions 10 in the rack 2, and the workload of workers is reduced.
In this embodiment, the feeding driving mechanism further includes two groups of feeding guiding mechanisms 1 to 7, and the two groups of feeding guiding mechanisms 1 to 7 are respectively located at two sides of the frame 2 in the width direction; each group of feeding guide mechanisms 1-7 comprises a guide shaft and a guide block matched with the guide shaft, and the guide shaft is arranged on the rack 2 and extends along the length direction of the rack 2; the guide block is mounted on the moving frame 1-2. Through setting up two sets of material loading guiding mechanism 1-7, can realize leading the motion of material loading dolly, thereby make the material loading dolly can be accurately with the roll web transport of different specifications to the corresponding installation screens 10 department in frame 2 to the material resources of using manpower sparingly.
Referring to fig. 1 to 15, the feeding driving mechanism further includes a detection mechanism, the detection mechanism includes detection plates 1-6 disposed on the moving frame 1-2 and a plurality of sets of detectors disposed on the frame 2, the plurality of sets of detectors are sequentially arranged along the length direction of the frame 2 and are in one-to-one correspondence with the plurality of sets of mounting blocks 10; each group of detectors is provided with two detectors, namely a first detector 1-4 and a second detector 1-5, and the first detector 1-4 and the second detector 1-5 are sequentially arranged along the movement direction of the feeding trolley; when the first detector 1-4 detects the detection plate 1-6, the first vertical driving mechanism drives the feeding frame 1-1 to move upwards; when the second detector 1-5 detects the detection plate 1-6, the first vertical driving mechanism drives the feeding frame 1-1 to move downwards; in the process that the feeding driving mechanism drives the feeding trolley to move to the corresponding installation position 10, after the first detector 1-4 corresponding to the installation position 10 detects the detection plate 1-6 on the moving frame 1-2, the control system controls the first vertical cylinder 1-14 to work, the first vertical cylinder 1-14 drives the feeding frame 1-1 to move upwards, so that the support shafts 11 on two sides of the roll paper on the feeding frame 1-1 are higher than the installation position 10, and meanwhile, the feeding driving mechanism continues to drive the moving frame 1-2 and the feeding frame 1-1 and the roll paper on the moving frame 1-2 to move; when the second detector 1-5 detects the detection plate 1-6 on the moving frame 1-2, the support shafts 11 on two sides of the roll paper on the feeding frame 1-1 are positioned right above the installation clamping position 10; the first vertical air cylinder 1-14 drives the feeding frame 1-1 to move downwards, so that the supporting shafts 11 on two sides of the roll paper are matched with the installation clamping positions 10, and the roll paper on the feeding frame 1-1 is transferred to the installation clamping positions 10.
In addition, photoelectric sensors are arranged at the front end and the rear end of the rack 2, and the photoelectric sensors are arranged to detect the detection plates 1-6, so that the movement stroke of the feeding trolley is limited.
Referring to fig. 1-15, the frame 2 is further provided with two sets of limiting posts 9 for preventing the moving frame 1-2 from being separated from the guide shafts, and each set of the limiting posts 9 is two and is respectively located at the front end and the rear end of each set of the guide shafts.
Referring to fig. 1 to 15, the feeding frame 1-1 is in a bucket shape, and two sides of the feeding frame 1-1 are supporting parts for supporting two sides of the supporting shaft 11; the middle part of the supporting part is provided with grooves 1-11 matched with the supporting shaft 11, and the supporting part is also provided with guiding parts 1-12 used for guiding the supporting shaft 11 to move into the grooves 1-11. When the roll paper needs to be placed on the feeding frame 1-1, the supporting shafts 11 on both sides of the roll paper only need to be placed at the guiding parts 1-12 on both sides of the feeding frame 1-1, and the guiding parts 1-12 automatically guide the roll paper into the grooves 1-11 according to the height difference between the guiding parts and the grooves 1-11, so that the labor intensity of operators can be reduced.
In the present embodiment, the packing paper is kraft paper, which is generally rolled up for convenience of storage, and thus in the present invention, the packing paper (i.e., kraft paper) rolled up on the supporting shaft 11 is referred to as "web"; and the wrapper is drawn from the web.
Referring to fig. 1 to 15, the working principle of the loading and cutting device for a product packaging machine of the present invention is:
when the device works, firstly, the roll paper to be installed is placed on the feeding frame 1-1, so that the support shafts 11 on two sides of the roll paper extend outwards to the outside of the feeding frame 1-1. Subsequently, the feeding driving mechanism drives the feeding trolley to move to the corresponding mounting position 10 in the rack 2 along the length direction of the rack 2. In the process that the feeding trolley moves to the corresponding installation clamping position 10, the first vertical driving mechanism drives the feeding rack 1-1 to move upwards firstly, so that the support shafts 11 in the roll paper are located above the plane of the installation clamping position 10, meanwhile, the feeding driving mechanism drives the feeding trolley to move horizontally continuously, so that the support shafts 11 on two sides of the roll paper are located right above the corresponding installation clamping position 10, at the moment, the first vertical driving mechanism drives the feeding rack 1-1 to move downwards, so that the support shafts 11 on two sides of the roll paper are matched with the installation clamping position 10, and the roll paper in the feeding trolley is transferred to the corresponding installation clamping position 10 in the rack 2. And finally, the feeding driving mechanism drives the feeding trolley to return to the initial position, and the carrying action is repeated, so that the roll paper with different specifications is mounted on the corresponding mounting clamping position 10 in the rack 2.
When the roll paper is placed in each of the plurality of mounting positions 10 of the frame 2, an operator manually draws out a wrapping paper (i.e., kraft paper) of each roll paper and draws the wrapping paper into the corresponding transport mechanism 5, and the wrapping paper in the roll paper is fed into the corresponding guide member 6-2 after coming out of the corresponding transport mechanism 5.
When a product needs to be packaged, the control system controls the corresponding conveying mechanism 5 to work according to the specification and the size of the product, so that the wrapping paper in the roll paper with the corresponding specification and the size is driven to move, the wrapping paper passes through the outlet of the guide piece 6-2 and then enters the cutting station of the roll paper cutting device 4, and when the wrapping paper in the cutting station reaches the preset length, the roll paper cutting device 4 cuts the wrapping paper. Finally, the cut packaging paper (kraft paper) can be used for manually packaging the product by an operator, or the product can be automatically packaged by a subsequent packaging device.
When the roll paper with different specifications needs to be replaced, firstly, the conveying mechanism 5 corresponding to the wrapping paper used in the previous work works to drive the wrapping paper to retreat from the cutting station into the guide space of the guide piece 6-2, then, the conveying mechanism 5 corresponding to the wrapping paper meeting the requirements drives the wrapping paper to move, the wrapping paper passes through the outlet of the guide piece 6-2 under the guide of the guide piece 6-2 to enter the cutting station, and when the wrapping paper reaches a preset length, the roll paper cutting device 4 cuts the wrapping paper. By the mode, the roll paper with different specifications can be flexibly selected according to different specifications of products to be packaged.
The above description is a preferred embodiment of the present invention, but the present invention is not limited to the above description, and any other changes, modifications, substitutions, blocks and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and they are included in the scope of the present invention.
Claims (8)
1. A feeding and cutting device for a product packaging machine comprises a frame, a roll paper feeding device arranged on the frame, a roll paper traction and conveying device and a roll paper cutting device, and is characterized in that,
the rack is provided with a plurality of installation clamping positions for installing roll paper, and the installation clamping positions are sequentially arranged along the length direction of the rack; the roll paper feeding device is used for installing roll paper on the installation clamping position and comprises a feeding trolley and a feeding driving mechanism used for driving the feeding trolley to move along the length direction of the rack, wherein the feeding trolley comprises a moving frame, a feeding frame arranged on the moving frame and a first vertical driving mechanism used for driving the feeding frame to move vertically, the roll paper is composed of a supporting shaft and packing paper wound on the supporting shaft, the roll paper is placed on the feeding frame, the supporting shafts on two sides of the roll paper extend outwards out of the feeding frame, and the packing paper is kraft paper; the first vertical driving mechanism is used for driving the feeding frame to vertically move and is matched with the feeding driving mechanism to place the supporting shafts on two sides of the roll paper at the corresponding mounting clamping positions; the feeding frame is in a hopper shape, and supporting parts are arranged on two sides of the feeding frame and used for supporting two sides of the supporting shaft; the middle part of the supporting part is provided with a groove matched with the supporting shaft, and the supporting part is also provided with a guiding part used for guiding the supporting shaft to move into the groove;
the roll paper traction and conveying device comprises a conveying mechanism arranged on the rack and a guide mechanism used for guiding roll paper conveyed by the conveying mechanism into the roll paper cutting device, wherein the conveying mechanisms are in a plurality of groups; the plurality of groups of conveying mechanisms are sequentially arranged on the rack along the vertical direction; the guide mechanism comprises guide fixing plates arranged on two sides of the rack and guide pieces arranged in the guide fixing plates, the guide pieces are in multiple groups, and the multiple groups of guide pieces correspond to the multiple groups of conveying mechanisms one by one; the multiple groups of guide pieces are arranged on the guide fixing plate in a radial shape, and the outlet of each group of guide pieces is communicated with the feed inlet of the roll paper cutting device; the wrapping paper conveyed by the conveying mechanism passes through a corresponding guide piece and then is gathered at a feed inlet of the roll paper cutting device, wherein the guide piece is composed of two guide plates, and a space between the two guide plates forms a guide space for guiding the roll paper; the guide member is further provided with a guide port for guiding the roll paper into the guide space at a position close to the conveying mechanism; the guide plate at the upper end of the uppermost guide piece and the guide plate at the lower end of the lowermost guide piece extend to the feed opening of the roll paper cutting device, so that a guide channel for guiding the roll paper in each group of guide pieces into the feed opening of the roll paper cutting device is formed;
the roll paper cutting device is arranged at a downstream station of the roll paper traction conveying device and is used for cutting the roll paper coming out of the guide channel;
when the roll paper with different specifications needs to be cut, firstly, a conveying mechanism corresponding to the wrapping paper used in the previous work works to drive the wrapping paper to return to a guide space of the guide piece from a cutting station of the roll paper cutting device, then, the conveying mechanism corresponding to the wrapping paper meeting the requirements drives the wrapping paper to move, the wrapping paper passes through an outlet of the guide piece under the guide of the guide piece and enters the cutting station, and when the wrapping paper reaches a preset length, the roll paper cutting device cuts the wrapping paper.
2. The loading and cutting device for the product packaging machine as claimed in claim 1, wherein the conveying mechanism comprises a first conveying roller, a second conveying roller, a rotary driving mechanism for driving the second conveying roller to rotate, and a second vertical driving mechanism for driving the first conveying roller to move vertically, wherein the rotary driving mechanism comprises a rotary driving motor arranged on the frame, and the rotary driving motor is connected with the second conveying roller through a coupling; the second vertical driving mechanism comprises two groups of second vertical cylinders, the two groups of second vertical cylinders are respectively positioned on two sides of the first conveying roller, and a telescopic rod of each group of second vertical cylinders is connected with the first conveying roller.
3. The loading and cutting device for a product packaging machine as claimed in claim 1, wherein said web-pulling and conveying device further comprises a pulling and guiding mechanism, said pulling and guiding mechanism comprising a plurality of sets of first pulling rollers and second pulling rollers, the plurality of sets of first pulling rollers and second pulling rollers respectively corresponding to the plurality of sets of conveying mechanisms one-to-one; the plurality of groups of second traction rollers are sequentially and rotatably connected to the rack along the vertical direction, and the first traction rollers are sequentially and rotatably connected to the rack along the length direction of the rack; and the wrapping paper coming out of the roll paper is wound around the corresponding second traction roller after passing around the corresponding first traction roller, and the wrapping paper enters the corresponding conveying mechanism after coming out of the second traction roller and is conveyed into the corresponding guide piece by the conveying mechanism.
4. The loading cutting device for the product packaging machine as claimed in claim 3, wherein the web cutting device comprises a paper supporting plate, a paper cutter positioned above the paper supporting plate, and a third vertical driving mechanism for driving the paper cutter to move vertically, both ends of the paper supporting plate are mounted on the frame, and the paper supporting plate is provided with an avoiding groove for avoiding the cutting edge of the paper cutter; the third vertical driving mechanism comprises a third vertical cylinder and a vertical guide mechanism, the third vertical cylinder is mounted on the rack, and the telescopic rod is connected with the paper cutter; the vertical guide mechanisms are arranged on two sides of the paper cutter and consist of guide rods and guide holes matched with the guide rods, or consist of the guide rods and guide sleeves.
5. The loading and cutting device for the product packaging machine as claimed in claim 4, wherein the loading driving mechanism comprises two sets of loading driving motors and belt transmission mechanisms, wherein the belt transmission mechanisms are located at two sides of the width direction of the machine frame, each set of belt transmission mechanism comprises a driving pulley, a driven pulley and a synchronous belt, wherein the driving pulley and the driven pulley are respectively arranged at two sides of the length direction of the machine frame, and the synchronous belt vertically surrounds the driving pulley and the driven pulley along the length direction of the machine frame; the driving belt wheel and the driven belt wheel of the two groups of belt transmission mechanisms are respectively connected through a connecting shaft; the feeding driving motor is connected with a connecting shaft positioned between the two groups of driving belt wheels through a speed reducer, an input shaft of the speed reducer is connected with a main shaft of the feeding driving motor, and an output shaft of the speed reducer is connected with the connecting shaft; both sides of the moving frame are positioned in the vertically surrounding synchronous belts.
6. The loading and cutting device for the product packaging machine as claimed in claim 5, wherein said loading driving mechanism further comprises two sets of loading guide mechanisms, and the two sets of loading guide mechanisms are respectively located at two sides of the width direction of the machine frame; each group of feeding guide mechanisms comprises a guide shaft and a guide block matched with the guide shaft, and the guide shaft is arranged on the rack and extends along the length direction of the rack; the guide block is mounted on the movable frame.
7. The loading and cutting device for the product packaging machine as claimed in claim 6, wherein the loading driving mechanism further comprises a detection mechanism, the detection mechanism comprises a detection plate arranged on the movable frame and a plurality of sets of detectors arranged on the machine frame, the plurality of sets of detectors are sequentially arranged along the length direction of the machine frame and correspond to the plurality of sets of mounting blocks one by one; each group of detectors is provided with two detectors, namely a first detector and a second detector, and the first detector and the second detector are sequentially arranged along the movement direction of the feeding trolley; when the first detector detects the detection plate, the first vertical driving mechanism drives the feeding frame to move upwards; when the second detector detects the detection plate, the first vertical driving mechanism drives the feeding frame to move downwards and is matched with the feeding driving mechanism to place the supporting shafts on two sides of the roll paper at the installation clamping position.
8. The loading and cutting device for the product packaging machine as claimed in claim 7, wherein the frame is further provided with two sets of two limiting posts for preventing the moving frame from separating from the guide shafts, and the two sets of two limiting posts are respectively located at two ends of the two sets of guide shafts.
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| CN202011089904.8A CN111924219B (en) | 2020-10-13 | 2020-10-13 | A material loading cutting device for product packaging machine |
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| CN202011089904.8A CN111924219B (en) | 2020-10-13 | 2020-10-13 | A material loading cutting device for product packaging machine |
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| CN111924219B true CN111924219B (en) | 2021-02-09 |
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| CN111924219A (en) | 2020-11-13 |
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