CN113493033A - Food packaging machinery's automatic punching cutting device - Google Patents
Food packaging machinery's automatic punching cutting device Download PDFInfo
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- CN113493033A CN113493033A CN202110812544.8A CN202110812544A CN113493033A CN 113493033 A CN113493033 A CN 113493033A CN 202110812544 A CN202110812544 A CN 202110812544A CN 113493033 A CN113493033 A CN 113493033A
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- 238000004806 packaging method and process Methods 0.000 title claims abstract description 97
- 238000005520 cutting process Methods 0.000 title claims abstract description 74
- 238000004080 punching Methods 0.000 title claims abstract description 34
- 238000005553 drilling Methods 0.000 claims abstract description 25
- 238000001125 extrusion Methods 0.000 claims description 78
- 230000005540 biological transmission Effects 0.000 claims description 38
- 238000003825 pressing Methods 0.000 claims description 26
- 230000000712 assembly Effects 0.000 claims description 12
- 238000000429 assembly Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 238000013016 damping Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims 2
- 230000033001 locomotion Effects 0.000 abstract description 10
- 230000002349 favourable effect Effects 0.000 description 6
- 229920006280 packaging film Polymers 0.000 description 3
- 239000012785 packaging film Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
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Classifications
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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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- 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
- B65B61/02—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for perforating, scoring, slitting, or applying code or date marks on material prior to packaging
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
Abstract
The invention discloses an automatic punching and cutting device of a food packaging machine, which comprises a conveying belt, wherein the top of the conveying belt is provided with a packaging bag for conveying the packaging bag; the traction mechanism is arranged at the top of the conveyor belt and used for driving the packaging bags to move, the packaging bags at the top of the conveyor belt are tightly pressed by the traction mechanism through attraction between the traction mechanism and the conveyor belt, and the parts to be cut of the packaging bags are in a straightening and fixing state through the attraction between the traction mechanism and the conveyor belt; the cutting mechanism is arranged on one side of the conveying belt and is used for cutting the part for straightening and fixing the packaging bag; the packaging bag can be cut through the transverse movement of the cutting mechanism, the structure can enable the packaging bag to be in a straightening state when the packaging bag is cut, the cut is convenient to guarantee to be neat, the drilling mechanism can be driven to punch the packaging bag through the driving mechanism, and the packaging bag can be machined after being punched.
Description
Technical Field
The invention relates to the technical field of packaging bag cutting, in particular to an automatic punching and cutting device of a food packaging machine.
Background
Chinese invention patent publication No. CN 105173256B, application date: 2015-07-13, application publication date: 2015-12-23. The invention discloses an automatic punching and cutting device of a food packaging machine, which comprises a rack, a punching mechanism, a cutting mechanism and a lead screw transmission mechanism, wherein the punching mechanism and the cutting mechanism are transversely arranged above the rack side by side, the lead screw transmission mechanism is longitudinally arranged below the rack, the rack is provided with a bottom plate, a lead screw transmission seat is arranged below the bottom plate, and the punching mechanism and the cutting mechanism are fixedly arranged on the bottom plate and are connected with the lead screw transmission mechanism through the lead screw transmission seat. The automatic punching and cutting device integrates the punching mechanism and the cutting mechanism, when the automatic punching and cutting device works, the punching mechanism firstly punches the packaging film and then the cutting mechanism cuts the packaging film, the two processes are in seamless connection, the packaging film does not need to be moved in the whole process, the packaging process is greatly simplified, the working time is shortened, and the working efficiency is improved.
However, when the device is used for cutting the packaging bag, a corresponding fixing or tensioning mechanism is lacked at one end of the packaging bag to be cut, so that one end of the packaging bag is in a free state when the packaging bag is cut, and the phenomenon that the cutting difficulty is large and the cut is not level exists when the packaging bag made of soft materials is cut by using the structure.
Therefore, it is necessary to provide an automatic punching and cutting device for a food packaging machine to solve the above technical problems.
Disclosure of Invention
The technical problem to be solved
The invention aims to provide an automatic punching and cutting device of a food packaging machine, which aims to solve the problems that the cutting difficulty is high and the cuts are not level when the structure is used for cutting packaging bags made of softer materials in the prior art.
Two technical schemes
In order to achieve the purpose, the invention provides the following technical scheme: an automatic punching and cutting device of a food packaging machine comprises a conveying belt, wherein the top of the conveying belt is provided with packaging bags for conveying the packaging bags; the traction mechanism is arranged at the top of the conveyor belt and used for driving the packaging bags to move, the packaging bags at the top of the conveyor belt are tightly pressed by the traction mechanism through attraction between the traction mechanism and the conveyor belt, and the parts to be cut of the packaging bags are in a straightening and fixing state through the attraction between the traction mechanism and the conveyor belt; and the cutting mechanism is arranged on one side of the conveying belt and is used for cutting the part for straightening and fixing the packaging bag.
During the specific use, drive the conveyer belt through actuating mechanism during the use and rotate, can drive the wrapping bag that sets up at the conveyer belt top and remove, can drive mechanism through actuating mechanism and rotate, can compress tightly the wrapping bag when extrusion subassembly downstream and with the conveyer belt laminating, can drive the stable downstream of wrapping bag through the cooperation of extrusion subassembly and conveyer belt this moment, and the wrapping bag one end that is in between two extrusion subassemblies this moment is in the state of flare-outing, the lateral shifting who utilizes cutting mechanism can cut the wrapping bag, this structure can make it be in the state of flare-outing when cutting the wrapping bag, and then be favorable to guaranteeing that the incision is neat, can drive drilling mechanism through actuating mechanism and punch the wrapping bag, the processing to the wrapping bag can be accomplished in the cutting after joining in marriage and punching.
As a further scheme of the invention, the traction mechanism comprises a turntable and a plurality of extrusion assemblies distributed on one side of the turntable in an annular array manner, wherein the extrusion assemblies can slide along the radial direction of the turntable; the cover plate assembly adjusts the pressure between the extrusion assembly and the conveyor belt and can stretch out and draw back, so that the extrusion assembly can avoid interference with the conveyor belt in the rotating process after extending out along the radial direction of the rotary table.
During the specific use, extrusion subassembly can be along the radial slip of carousel, makes through the flexible distance that can adjust extrusion subassembly outwards stretches out when the wrapping bag of different length of needs cutting when in-service use.
As a further scheme of the invention, the extrusion assembly comprises a sliding block connected with the rotary table in a sliding manner, a sleeve arranged on one side of the sliding block and rotating relative to the sliding block, and a first telescopic rod fixed in the sleeve and provided with damping, wherein the cover plate assembly is fixed at the bottom end of the sleeve; the pressing plate is arranged in the cover plate assembly and fixed with the bottom end of the first telescopic rod; the first spring is arranged at the top of the pressure plate; set up in the clamp plate bottom and the outside parcel has the first magnet of first sheath, first sheath and clamp plate fixed connection.
When specifically using, first telescopic link makes the clamp plate have the elasticity, and the reciprocating motion of clamp plate can be promoted to the first spring of cooperation, can adsorb the conveying belt through first magnet to drive the wrapping bag and move forward.
As a further scheme of the invention, the top of the conveyor belt is provided with bulges and depressions which are distributed in a staggered manner, wherein the tops of every two adjacent bulges are provided with second magnets matched with the first magnets at the bottom of the pressing plate, the tops of the second magnets are provided with second sheaths for wrapping, and the second sheaths are fixed on the tops of the bulges.
When the packaging bag is used specifically, the packaging bag can be moved forwards in a tensioning mode through mutual attraction of the first magnet and the second magnet, so that the packaging bag is located between two adjacent parts which are gradually extruded and is in a stretching state, and the packaging bag at the position can be cut through the matching cutting mechanism.
As a further scheme of the present invention, a limit end is disposed at a top of the protrusion, so that when the first magnet and the second magnet are attracted to each other, an edge of the first magnet is clamped at the limit end.
During the specific use, be provided with spacing end at bellied top, when making first magnet and second magnet attract each other, the edge card of first magnet is in spacing end department, because the suction between first magnet and the second magnet is the vertical direction, the wrapping bag is the horizontal direction to the effort between first magnet and the second magnet when pulling the wrapping bag, consequently if not carry on spacingly to the first magnet under the extrusion subassembly and prevent its rotation, the wrapping bag can drive the extrusion subassembly and rotate in the traction process, thereby be unfavorable for the even running of extrusion subassembly.
As a further scheme of the invention, the cover plate assembly comprises a box body fixed at the bottom end of the sleeve, an outer frame arranged on the outer side of the box body and connected with the box body in a sliding mode, and second telescopic rods fixed at four corners of the top of the outer frame, wherein stop blocks fixedly connected with the top of the second telescopic rods are arranged at the four corners of the box body, and second springs are arranged on the outer side of the second telescopic rods.
During the specific use, can slide in the box body outside at the frame and can adjust the pressure between apron subassembly and the conveyer belt for can adjust the outside distance that stretches out of extrusion subassembly when the wrapping bag of different length of needs cutting when in actual use, thereby adjust two adjacent extrusion subassemblies at the interval of horizontal direction, thereby make the wrapping bag part that is in between two adjacent extrusion subassemblies increase, be favorable to the wrapping bag of the different length of cutting department.
As a further scheme of the invention, the surface of the rotary table is provided with a sliding groove, the sliding block is connected in the sliding groove in a sliding manner, the outer side of the rotary table is provided with an adjusting bolt, and the adjusting bolt penetrates through the sliding block and is in threaded connection with the sliding block.
During specific use, the sliding block can be adjusted to slide outwards along the turntable through the adjusting bolt, so that the outwards extending distance of the extrusion assembly is adjusted.
As a further scheme of the invention, a driving mechanism for driving the traction mechanism to rotate is arranged at the bottom end of the conveyor belt, the driving mechanism comprises a motor for providing power output and a transmission shaft fixed with the output end of the motor, a round shaft is fixedly connected to the back of the rotary table, one end of the round shaft far away from the rotary table is fixedly connected with a first gear, a first incomplete gear meshed with the first gear is arranged at the bottom of the first gear, a cross shaft is fixedly connected to one side of the first incomplete gear, and a first belt for transmission is arranged between the transmission shaft and the cross shaft.
When the intermittent type gear transmission mechanism is used specifically, the transmission shaft is driven to rotate through the output end of the motor, the first incomplete gear can be driven to rotate through the driving of the first belt, and the turntable can be driven to rotate intermittently through the meshing of the first incomplete gear and the first gear.
As a further scheme of the invention, a drilling mechanism for drilling is arranged at one end of the conveying belt, a first transmission mechanism is arranged between the driving mechanism and the drilling mechanism, the driving mechanism drives the drilling mechanism to drill through the first transmission mechanism, a second transmission mechanism is arranged between the driving mechanism and the conveying belt, and the driving mechanism drives the conveying belt to rotate through the second transmission mechanism.
During specific use, can drive drilling mechanism through first drive mechanism and move, can drive the conveyer belt through second drive mechanism and rotate.
As a further scheme of the invention, the first transmission mechanism comprises a round rod, a third belt arranged on the outer sides of the round rod and the fixed shaft is used for driving the round rod to rotate, one end of the round rod is fixedly connected with a cam, the top of the conveying belt is provided with a drilling mechanism, the drilling mechanism comprises a drill bit, the top of the drill bit is fixedly connected with a support rod, one side of the support rod, which is close to the cam, is rotatably connected with a roller, and the roller is in sliding connection with the cam through a limit groove arranged on one side of the cam; the second transmission mechanism comprises wheel hubs which are arranged at two ends inside the conveyor belt and are matched with the protrusions and the depressions to drive the conveyor belt to rotate, one end of each wheel hub is provided with a shaft piece, one end, far away from the conveyor belt, of each shaft piece is fixedly connected with a second gear, the bottom end of each second gear is provided with a second incomplete gear meshed with the corresponding second gear, one side of each second incomplete gear is fixedly connected with a fixed shaft, and a second belt for transmission is arranged on the outer sides of the fixed shafts and the transmission shafts; one side of conveyer belt is provided with electric putter and is used for the cutting mechanism of cutting the wrapping bag, and cutting mechanism includes the cutter with electric putter fixed connection.
When the automatic drilling machine is used specifically, the drilling work of the packaging bag can be realized through the drilling mechanism, the second belt drives the fixed shaft to rotate so as to drive the second incomplete gear to rotate, and the conveying belt can be driven to rotate intermittently through the meshing of the second incomplete gear and the second gear; therefore, the structure can drive the turntable to rotate intermittently, and the driving conveyor belt moves intermittently in cooperation with the turntable, so that the extrusion assembly on one side of the turntable is matched with the bulge with the second magnet on the conveyor belt, and the packaging bag can be driven to move forwards continuously.
The working principle is as follows: the transmission shaft is driven to rotate by the output end of the motor, the first incomplete gear can be driven to rotate by the driving of the belt, the rotating disc can be driven to rotate intermittently by the meshing of the first incomplete gear and the first gear, so as to drive the extrusion assembly to rotate, when the extrusion assembly moves to the top of the conveying belt and is about to contact with the top of the bulge on the conveying belt, the extrusion assembly and the conveying belt can be attracted mutually under the action force of the first magnet and the second magnet, so as to compress the packaging bag, the fixed shaft is driven to rotate by the second belt, so as to drive the second incomplete gear to rotate, the conveying belt can be driven to rotate intermittently by the meshing of the second incomplete gear and the second gear, when the rotating disc is matched with the conveying belt to drive the extrusion assembly to rotate, the packaging bag can be driven to move forwards, and when the extrusion assembly rotates for a certain angle, the adjacent extrusion assembly can be attracted with the second magnet on the adjacent bulge on the conveying belt, the clamp plate under two extrusion subassemblies all attracts mutually with the arch that has the second magnet on the conveyer belt this moment, and then make the wrapping bag be located two adjacent extrusion gradual parts and be in tensile state, cooperation cutting mechanism can cut the wrapping bag at here, when the carousel continues to rotate, the pulling force of the first spring on the clamp plate that contacts with the conveyer belt at first is greater than the suction between first magnet and the second magnet, thereby make clamp plate and conveyer belt break away from, the extrusion subassembly that contacts with the conveyer belt this moment continues to cooperate the conveyer belt to drive the wrapping bag and move forward, motion between the repetition, can progressively accomplish the cutting to the wrapping bag, drive the round bar through the third belt and rotate, thereby drive cam rotation drive branch up-and-down motion, be favorable to driving the drill bit up-and-down motion and punch the wrapping bag.
Three beneficial effects
1. The automatic punching and cutting device of the food packaging machine drives the conveyor belt to rotate through the driving mechanism, can drive the packaging bag arranged at the top of the conveyor belt to move, can drive the traction mechanism to rotate through the driving mechanism, when the extrusion component moves downwards and is attached to the conveyor belt, the packaging bag can be pressed tightly, at the moment, the packaging bag can be driven to stably move downwards through the matching of the extrusion component and the conveyor belt, and one end of the packaging bag between the two extrusion components is in a straightening state at the moment, the packaging bag can be cut by utilizing the transverse movement of the cutting mechanism, the structure can ensure that the packaging bag is in the straightening state when being cut, the driving mechanism can drive the drilling mechanism to drill the packaging bag, and the packaging bag can be processed by cutting after punching;
2. according to the automatic punching and cutting device of the food packaging machine, the sliding block can be driven to slide in the sliding groove by rotating the adjusting bolt, so that the distance of the extrusion assembly extending out of the outer side of the turntable is adjusted, the extrusion between the extrusion assembly and the conveyor belt is increased due to the extension of the extrusion assembly in the rotating process, the pressure between the cover plate assembly and the conveyor belt can be adjusted by sliding the outer frame on the outer side of the box body, the outward extending distance of the extrusion assembly can be adjusted when packaging bags with different lengths need to be cut in actual use, and the distance between two adjacent extrusion assemblies in the horizontal direction is adjusted, so that the packaging bag part between the two adjacent extrusion assemblies is increased, and the packaging bags with different lengths at the cutting part are facilitated;
3. according to the automatic punching and cutting device of the food packaging machine, the limiting end is arranged at the top of the protrusion, so that when the first magnet and the second magnet are mutually attracted, the edge of the first magnet is clamped at the limiting end, and because the attraction between the first magnet and the second magnet is in the vertical direction, the acting force of the packaging bag on the first magnet and the second magnet is in the horizontal direction when the packaging bag is pulled, the first magnet under the extrusion assembly is not limited to prevent the first magnet from rotating, and the packaging bag can drive the extrusion assembly to rotate in the pulling process, so that the stable operation of the extrusion assembly is not facilitated.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a schematic representation of the conveyor belt construction of the present invention;
FIG. 5 is a schematic view of the drilling mechanism of the present invention;
FIG. 6 is a schematic view of the cutting mechanism of the present invention;
FIG. 7 is a schematic view of the extrusion assembly of the present invention;
FIG. 8 is a schematic view of the turntable configuration of the present invention;
FIG. 9 is an enlarged view of portion A of FIG. 2 in accordance with the present invention;
FIG. 10 is an enlarged view of the portion B of FIG. 7 according to the present invention.
In the figure: 1. a conveyor belt; 101. a protrusion; 102. recessing; 103. a second magnet; 104. a second sheath; 105. a limiting end; 2. a traction mechanism; 201. a turntable; 21. an extrusion assembly; 211. a slider; 212. fixing a sleeve; 213. a connecting shaft; 214. a sleeve; 215. a first telescopic rod; 216. pressing a plate; 217. a first spring; 218. a first magnet; 219. a first sheath; 3. a cutting mechanism; 301. a cutter; 4. a drive mechanism; 401. the transmission shaft of (1); 5. a drilling mechanism; 501. a drill bit; 502. a strut; 6. a first transmission mechanism; 601. a third belt; 602. a cam; 7. a second transmission mechanism; 701. A hub; 702. a second gear; 703. a second incomplete gear; 704. a second belt; 8. a cover plate assembly; 801. a box body; 802. an outer frame; 803. a second telescopic rod; 804. a stopper; 805. a second spring; 9. adjusting the bolt; 10. a first gear; 11. a first incomplete gear; 12. a first belt; 13. an electric push rod; 14. a strip-shaped groove; 15. a cross bar; 16. A guide bar; 17. and a third spring.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.
The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.
As shown in fig. 1 to 3, an automatic punching and cutting apparatus of a food packaging machine includes a conveyor belt 1 having packages disposed at the top thereof for conveying the packages; the traction mechanism 2 is arranged at the top of the conveyor belt 1 and used for straightening the part, needing to be cut, of the packaging bag, two adjacent extrusion assemblies 21 in the traction mechanism 2 cooperate with the conveyor belt 1 to drive one end of the packaging bag to move forwards, and one end of the packaging bag is straightened through the two adjacent extrusion assemblies 21; the cutting mechanism 3 arranged on one side of the conveyor belt 1 cuts the packaging bags between two adjacent extrusion assemblies 21; the driving mechanism 4 which is arranged at the bottom end of the conveyor belt 1 and drives the traction mechanism 2 to rotate is arranged; the drilling mechanism 5 that is used for punching in 1 one end of conveyer belt is set up, be provided with first drive mechanism 6 between actuating mechanism 4 and the drilling mechanism 5, and actuating mechanism 4 drives drilling mechanism 5 through first drive mechanism 6 and punches, is provided with second drive mechanism 7 between actuating mechanism 4 and the conveyer belt 1, and actuating mechanism 4 drives conveyer belt 1 through second drive mechanism 7 and rotates.
Drive conveyer belt 1 through actuating mechanism 4 during the use and rotate, can drive the wrapping bag that sets up at 1 top of conveyer belt and remove, can drive mechanism 2 through actuating mechanism 4 and rotate, can compress tightly the wrapping bag when extrusion subassembly 21 downstream and with conveyer belt 1 laminating, can drive the stable downstream of wrapping bag through the cooperation of extrusion subassembly 21 and conveyer belt 1 this moment, and the wrapping bag one end that is in between two extrusion subassemblies 21 this moment is in the state of flare-outing, the lateral shifting who utilizes cutting mechanism 3 can cut the wrapping bag, this structure can make it be in the state of flare-outing when cutting the wrapping bag, and then be favorable to guaranteeing the incision neat, can drive drilling mechanism 5 through actuating mechanism 4 and punch the wrapping bag, the processing to the wrapping bag can be accomplished in the cutting after joining in marriage and punching.
As shown in fig. 4, 6, 7 and 8, the traction mechanism 2 includes a turntable 201 and a plurality of extrusion assemblies 21 distributed on one side of the turntable 201 in an annular array, each extrusion assembly 21 includes a slider 211 slidably connected to the turntable 201, a fixing sleeve 212 fixed on one side of the slider 211, a connecting shaft 213 having one end disposed inside the fixing sleeve 212 and rotatably connected to the fixing sleeve 212, a sleeve 214 disposed at one end of the connecting shaft 213 away from the fixing sleeve 212 and rotatably connected to the connecting shaft 213, a first telescopic rod 215 fixedly connected to the inside of the sleeve 214, a damping device having a buffering effect disposed inside the first telescopic rod 215, a retractable cover assembly 8 fixed at the bottom end of the sleeve 214, a pressing plate 216 disposed inside the cover assembly 8 and fixedly connected to the bottom end of the first telescopic rod 215, a first spring 217 disposed at the top of the pressing plate 216, a first spring 217 disposed outside the first telescopic rod 215, a first magnet 218 disposed at the bottom of the pressing plate 216, the first magnet 218 is provided with a first sheath 219 at the bottom, and the first sheath 219 is fixed at the bottom end of the pressing plate 216.
The top of the conveyor belt 1 is provided with protrusions 101 and depressions 102, and the protrusions 101 and depressions 102 are distributed in a staggered manner, wherein the tops of every two adjacent protrusions 101 are provided with second magnets 103 which are matched with the first magnets 218 at the bottom of the pressing plate 216, and second sheaths 104 which are arranged at the tops of the protrusions 101 and used for coating the second magnets 103.
When the packaging bag pressing device is used, when the driving mechanism 4 drives the conveyor belt 1 to rotate, the rotary disc 201 is also driven to drive the extrusion assembly 21 to rotate, when the extrusion assembly 21 moves to the top of the conveyor belt 1 and is about to contact with the top of the protrusion 101 on the conveyor belt 1, the extrusion assembly 21 and the conveyor belt 1 are attracted mutually under the action force of the first magnet 218 and the second magnet 103 so as to press the packaging bag tightly, the protection bag can be protected through the first sheath 219 and the second sheath 104, the packaging bag is prevented from being cut by the first magnet 218 and the second magnet 103, when the conveyor belt 1 moves forwards, the extrusion assembly 21 can be driven to move forwards, the connecting shaft 213 on one side of the sleeve 214 is rotatably connected with the fixed sleeve 212, therefore, when the rotary disc 201 drives the extrusion assembly 21 to rotate by matching with the speed of the conveyor belt 1, the extrusion assembly 21 can be always in a vertical state, and when the first magnet 218 and the second magnet 103 move after being attracted mutually, the attractive force between the first magnet 218 and the second magnet 103 is greater than the attractive force between the first spring 217 and the pressing plate 216, so that when the pressing assembly 21 continues to rotate, the pressing plate 216 moves to the outer side of the cover plate assembly 8 and is always in an attraction state with the second magnet 103, thereby continuously driving the packaging bags to move, when the pressing assembly 21 rotates for a certain angle, the adjacent pressing assembly 21 is attracted with the second magnet 103 on the adjacent protrusion 101 on the conveyor belt 1, at the moment, the pressing plates 216 under the two pressing assemblies 21 are attracted with the protrusion 101 with the second magnet 103 on the conveyor belt 1, so that the parts of the packaging bags located between the two adjacent pressing steps are in a stretching state, the packaging bags can be cut by matching with the cutting mechanism 3, when the turntable 201 continues to rotate, the attractive force of the first spring 217 on the pressing plate 216 which is firstly contacted with the conveyor belt 1 is greater than the attractive force between the first magnet 218 and the second magnet 103, therefore, the pressing plate 216 is separated from the conveyor belt 1, damping is arranged in the first telescopic rod 215, the pressing plate 216 tends to be gentle when rebounding upwards, the extrusion assembly 21 which is in contact with the conveyor belt 1 is continuously matched with the conveyor belt 1 to drive the packaging bag to move forwards, and the packaging bag can be cut gradually by repeating the movement.
Further, as one preferable scheme, the first magnet 218 and the second magnet 103 can be replaced by electromagnets, and the electromagnets are controlled to be powered on and off during actual use to compress the packaging bag.
Furthermore, the top of the protrusion 101 is provided with the limiting end 105, so that when the first magnet 218 and the second magnet 103 are attracted to each other, the edge of the first magnet 218 is clamped at the limiting end 105, because the attraction between the first magnet 218 and the second magnet 103 is in the vertical direction, when the packaging bag is pulled, the acting force between the first magnet 218 and the second magnet 103 is in the horizontal direction, and therefore, if the first magnet 218 under the extrusion assembly 21 is not limited to prevent the rotation of the first magnet 218, the packaging bag can drive the extrusion assembly 21 to rotate in the pulling process, and therefore, the stable operation of the extrusion assembly 21 is not facilitated.
As shown in fig. 7 and 10, the cover assembly 8 includes a box 801 fixed at the bottom end of the sleeve 214, an outer frame 802 disposed at the outer side of the box 801 and slidably connected to the box 801, second telescopic rods 803 fixed at the four corners of the top of the outer frame 802, stoppers 804 fixedly connected to the tops of the second telescopic rods 803 disposed at the four corners of the box 801, and second springs 805 disposed at the outer side of the second telescopic rods 803.
The surface of the rotating disc 201 is provided with a sliding groove, the sliding block 211 is connected inside the sliding groove in a sliding mode, the outer side of the rotating disc 201 is provided with an adjusting bolt 9, and the adjusting bolt 9 penetrates through the sliding block 211 and is in threaded connection with the sliding block 211.
During the use, can drive slider 211 through rotating adjusting bolt 9 and slide in the spout is inside, thereby adjust the distance that extrusion subassembly 21 stretches out the carousel 201 outside, at this moment at pivoted in-process because extrusion subassembly 21's extension, lead to its and conveyer belt 1's extrusion to increase, and frame 802 can slide in the box body 801 outside and can adjust the pressure between apron subassembly 8 and the conveyer belt 1, make can adjust the distance that extrusion subassembly 21 outwards stretches out when the wrapping bag of different length of needs cutting when in-service use, thereby adjust two adjacent extrusion subassemblies 21 at the interval of horizontal direction, thereby make the wrapping bag part that is in between two adjacent extrusion subassemblies 21 increase, be favorable to the wrapping bag of the different length of cutting department.
As shown in fig. 1-3, the driving mechanism 4 includes a motor for providing power output, a transmission shaft 401 fixed to an output end of the motor, a circular shaft fixedly connected to a back of the turntable 201, a first gear 10 fixedly connected to an end of the circular shaft away from the turntable 201, a first incomplete gear 11 disposed at a bottom of the first gear 10, a horizontal shaft fixedly connected to one side of the first incomplete gear 11, and a first belt 12 disposed between the transmission shaft 401 and the horizontal shaft for transmission.
During the use, drive transmission shaft 401 through the motor output and rotate, can drive first incomplete gear 11 through the drive of first belt 12 and rotate, can drive carousel 201 through the meshing of first incomplete gear 11 and first gear 10 and do intermittent type formula rotation.
The second transmission mechanism 7 comprises hubs 701 which are arranged at two ends inside the conveyor belt 1 and matched with the protrusions 101 and the depressions 102 to drive the conveyor belt 1 to rotate, a shaft part is arranged at one end of each hub 701, one end, far away from the conveyor belt 1, of each shaft part is fixedly connected with a second gear 702, a second incomplete gear 703 is arranged at the bottom end of each second gear 702, a fixed shaft is fixedly connected to one side of each second incomplete gear 703, and a second belt 704 used for transmission is arranged on the outer side of each fixed shaft and the outer side of the transmission shaft 401.
When the belt conveyor is used, the fixed shaft is driven to rotate through the second belt 704, the second incomplete gear 703 is further driven to rotate, and the belt conveyor 1 can be driven to rotate intermittently through the meshing of the second incomplete gear 703 and the second gear 702.
Therefore, the structure can drive the turntable 201 to rotate intermittently, and the driving conveyor belt 1 moves intermittently in cooperation with the turntable 201, so that the extrusion assembly 21 on one side of the turntable 201 is matched with the protrusion 101 with the second magnet 103 on the conveyor belt 1, and the packaging bag is driven to move forwards continuously.
As shown in fig. 5, the drilling mechanism 5 includes a drill bit 501, the first transmission mechanism 6 includes a round bar, a third belt 601 disposed outside the round bar and the fixed shaft is used for driving the round bar to rotate, a cam 602 is fixedly connected to one end of the round bar, the drill bit 501 is disposed on the top of the transmission belt 1, a support rod 502 is fixedly connected to the top of the drill bit 501, a roller is rotatably connected to one side of the support rod 502 close to the cam 602, and the roller is slidably connected to the cam 602 through a limit groove disposed on one side of the cam 602.
During the use, drive the round bar through third belt 601 and rotate to drive cam 602 and rotate drive branch 502 up-and-down motion, be favorable to driving drill bit 501 up-and-down motion to punch the wrapping bag.
As shown in fig. 6 and 9, an electric push rod 13 is arranged at one side of the conveyor belt 1, and the cutting mechanism 3 comprises a cutting knife 301 fixedly connected with the electric push rod 13, when the conveyor belt 1 stops, the cutting knife 301 is opposite to the conveyed recess 102, and the cutting knife 301 is driven by the electric push rod 13 to move to cut the packaging bag.
1 bottom of conveyer belt is provided with the frame that is used for supporting wheel hub 701, frame top one side is provided with the riser, be provided with bar groove 14 on the riser, one side fixedly connected with horizontal pole 15 at drill bit 501, horizontal pole 15 passes through bar groove 14 and riser sliding connection, bar groove 14 inside fixedly connected with guide bar 16, guide bar 16 run through horizontal pole 15 and with horizontal pole 15 sliding connection, be provided with third spring 17 in the 16 outside of guide bar, third spring 17 sets up in horizontal pole 15 bottom, incomplete gear 703 of second is rotated with the frame through the connecting cylinder and is connected, back at carousel 201 is provided with the support, electric putter 13 passes through base and support fixed connection, the circle axle runs through the support and is connected with the support rotation, first incomplete gear 11 is connected with the support rotation through the round pin axle.
The working principle is as follows: drive transmission shaft 401 through the motor output end and rotate, drive through the belt can drive first incomplete gear 11 to rotate, can drive carousel 201 to do intermittent type formula rotation through the meshing of first incomplete gear 11 and first gear 10, thereby drive extrusion subassembly 21 and rotate, when extrusion subassembly 21 moves to conveyer belt 1 top and is about to contact with the protruding 101 top on the conveyer belt 1, make both mutual actuation under the effort of first magnet 218 and second magnet 103, and then compress tightly the wrapping bag, drive the fixed axle rotation through second belt 704, and then drive second incomplete gear 703 and rotate, can drive conveyer belt 1 to do intermittent type rotation through the meshing of second incomplete gear 703 and second gear 702, when carousel 201 cooperates the speed of conveyer belt 1 to drive extrusion subassembly 21 and rotate, can drive the wrapping bag and move forward, when extrusion subassembly 21 rotates certain angle, its adjacent extrusion subassembly 21 can with on the conveyer belt 1 on the protruding 101 of adjacent on the conveyer belt 1 on its The second magnet 103 is attracted, at the moment, the pressure plates 216 under the two squeezing assemblies 21 are attracted with the bulges 101 with the second magnet 103 on the conveyor belt 1, thereby enabling the parts of the packaging bags positioned at two adjacent extrusion gradual parts to be in a stretching state, being matched with the cutting mechanism 3 to cut the packaging bags at the parts, as the turntable 201 continues to rotate, the tension of the first spring 217 on the pressing plate 216, which is first in contact with the conveyor belt 1, is greater than the attractive force between the first magnet 218 and the second magnet 103, so that the pressing plate 216 is separated from the conveyor belt 1, and the squeezing assembly 21 contacted with the conveyor belt 1 continuously cooperates with the conveyor belt 1 to drive the packaging bags to move forwards, and the movement is repeated, the cutting of the packaging bag can be gradually finished, the third belt 601 drives the round bar to rotate, thereby driving the cam 602 to rotate and drive the supporting rod 502 to move up and down, which is beneficial to driving the drill bit 501 to move up and down to punch the packaging bag.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a food packaging machinery's automatic punching cutting device which characterized in that: comprises a conveyor belt (1) with a top provided with packaging bags for conveying the packaging bags; the traction mechanism (2) is arranged at the top of the conveyor belt (1) and used for driving the packaging bags to move, the packaging bags at the top of the conveyor belt (1) are pressed tightly by the traction mechanism (2) through attraction between the traction mechanism (2) and the conveyor belt (1), and the parts to be cut of the packaging bags are in a straightening and fixing state through the attraction between the traction mechanism (2) and the conveyor belt (1); and the cutting mechanism (3) is arranged on one side of the conveyor belt (1) and is used for cutting the parts which are straightened and fixed by the packaging bags.
2. The automatic punching and cutting device of a food packaging machine according to claim 1, wherein: the traction mechanism (2) comprises a turntable (201) and a plurality of extrusion assemblies (21) distributed on one side of the turntable (201) in an annular array, wherein the extrusion assemblies (21) can slide along the radial direction of the turntable (201); and the cover plate assembly (8) is used for adjusting the pressure between the extrusion assembly (21) and the conveyor belt (1) and can stretch out and draw back, so that the extrusion assembly (21) can avoid interference with the conveyor belt (1) in the rotating process after extending out along the radial direction of the turntable (201).
3. The automatic punching and cutting device of a food packaging machine according to claim 2, wherein: the extrusion assembly (21) comprises a sliding block (211) connected with the rotating disc (201) in a sliding mode, a sleeve (214) arranged on one side of the sliding block (211) and rotating relative to the sliding block (211), a first telescopic rod (215) fixed inside the sleeve (214) and provided with damping, and a cover plate assembly (8) is fixed at the bottom end of the sleeve (214); the pressing plate (216) is arranged in the cover plate component (8) and is fixed with the bottom end of the first telescopic rod (215); a first spring (217) disposed on top of the platen (216); the first magnet (218) is arranged at the bottom end of the pressing plate (216) and wrapped by a first sheath (219), and the first sheath (219) is fixedly connected with the pressing plate (216).
4. The automatic punching and cutting device of a food packaging machine according to claim 3, wherein: the top of the conveyor belt (1) is provided with protrusions (101) and depressions (102), the protrusions (101) and the depressions (102) are distributed in a staggered mode, the tops of the protrusions (101) at every other adjacent distance are provided with second magnets (103) matched with first magnets (218) at the bottoms of the pressing plates (216), the tops of the second magnets (103) are provided with second sheaths (104) used for wrapping, and the second sheaths (104) are fixed to the tops of the protrusions (101).
5. The automatic punching and cutting device of a food packaging machine according to claim 4, wherein: the top of the protrusion (101) is provided with a limiting end (105), so that when the first magnet (218) and the second magnet (103) are mutually attracted, the edge of the first magnet (218) is clamped at the limiting end (105).
6. The automatic punching and cutting device of a food packaging machine according to claim 3, wherein: the cover plate assembly (8) comprises a box body (801) fixed at the bottom end of the sleeve (214), an outer frame (802) arranged on the outer side of the box body (801) and connected with the box body (801) in a sliding mode, second telescopic rods (803) fixed at four corners of the top of the outer frame (802), stop blocks (804) fixedly connected with the tops of the second telescopic rods (803) are arranged at four corners of the box body (801), and second springs (805) are arranged on the outer side of the second telescopic rods (803).
7. The automatic punching and cutting device of a food packaging machine according to claim 2, wherein: the surface of the rotary table (201) is provided with a sliding groove, the sliding block (211) is connected inside the sliding groove in a sliding mode, the outer side of the rotary table (201) is provided with an adjusting bolt (9), and the adjusting bolt (9) penetrates through the sliding block (211) and is in threaded connection with the sliding block (211).
8. The automatic punching and cutting device of a food packaging machine according to claim 2, wherein: conveyer belt (1) bottom is provided with and drives drive mechanism (2) pivoted actuating mechanism (4), actuating mechanism (4) including the motor that provides power take off, with motor output looks fixed transmission shaft (401), the back fixedly connected with circle axle of carousel (201), the first gear (10) of one end fixedly connected with of carousel (201) are kept away from to the circle axle, and first gear (10) bottom is provided with first incomplete gear (11) with first gear (10) engaged with, first incomplete gear (11) one side fixedly connected with cross axle, be provided with between transmission shaft (401) and the cross axle and be used for driven first belt (12).
9. The automatic punching and cutting device of a food packaging machine according to claim 8, wherein: conveyer belt (1) one end is provided with drilling mechanism (5) that are used for punching, is provided with first drive mechanism (6) between actuating mechanism (4) and drilling mechanism (5), and actuating mechanism (4) drive drilling mechanism (5) through first drive mechanism (6) and punch, is provided with second drive mechanism (7) between actuating mechanism (4) and conveyer belt (1), and actuating mechanism (4) drive conveyer belt (1) through second drive mechanism (7) and rotate.
10. The automatic punching and cutting device of a food packaging machine according to claim 9, wherein: the first transmission mechanism (6) comprises a round rod, a third belt (601) arranged on the outer sides of the round rod and the fixed shaft is used for driving the round rod to rotate, a cam (602) is fixedly connected to one end of the round rod, a drilling mechanism (5) is arranged on the top of the conveyor belt (1), the drilling mechanism (5) comprises a drill bit (501), a supporting rod (502) is fixedly connected to the top of the drill bit (501), a rolling shaft is rotatably connected to one side, close to the cam (602), of the supporting rod (502), and the rolling shaft is connected with the cam (602) in a sliding mode through a limiting groove formed in one side of the cam (602); the second transmission mechanism (7) comprises hubs (701) which are arranged at two ends inside the conveyor belt (1) and are matched with the protrusions (101) and the recesses (102) to drive the conveyor belt (1) to rotate, one end of each hub (701) is provided with a shaft, one end, far away from the conveyor belt (1), of each shaft is fixedly connected with a second gear (702), the bottom end of each second gear (702) is provided with a second incomplete gear (703) meshed with the corresponding second gear (702), one side of each second incomplete gear (703) is fixedly connected with a fixed shaft, and the outer sides of the fixed shafts and the transmission shafts (401) are provided with second belts (704) for transmission; one side of the conveyor belt (1) is provided with an electric push rod (13) and a cutting mechanism (3) for cutting the packaging bag, and the cutting mechanism (3) comprises a cutter (301) fixedly connected with the electric push rod (13).
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| CN113493033B (en) | 2023-10-24 |
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