CN108584002B - Film packaging sealing and cutting machine - Google Patents
Film packaging sealing and cutting machine Download PDFInfo
- Publication number
- CN108584002B CN108584002B CN201711380325.7A CN201711380325A CN108584002B CN 108584002 B CN108584002 B CN 108584002B CN 201711380325 A CN201711380325 A CN 201711380325A CN 108584002 B CN108584002 B CN 108584002B
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- sealing
- cutting
- film
- cuff
- clamping
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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
- B65B41/00—Supplying or feeding container-forming sheets or wrapping material
- B65B41/12—Feeding webs from rolls
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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
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/10—Applying or generating heat or pressure or combinations thereof
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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
- B65B61/10—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 using heated wires or cutters
Abstract
The invention is suitable for the technical field of packaging equipment, and provides a film packaging sealing and cutting machine. The sealing and cutting machine comprises a workbench, a film coil stock, an upper wire conveying mechanism, a cuff wrapping mechanism, an operating mechanism and a U-shaped corner cutting mechanism; the film coil stock is installed in the top of going up line conveying mechanism, wraps cuff mechanism and U type corner cut mechanism fixed mounting and is on the workstation, and operating mechanism is located the below of wrapping cuff mechanism and U type corner cut mechanism to movably install in the middle part of workstation, wrap cuff mechanism and be located between line conveying mechanism and the U type corner cut mechanism. The U-shaped corner cutting mechanism comprises a righting clamping device and two corner cutting devices, wherein the two corner cutting devices are symmetrically arranged on two sides of the righting clamping device. The invention can seal and cut the sealing line of the film on the edge of the product, and the product packaging effect is beautiful; meanwhile, the packaging is adaptively adjusted and sealed according to products of different specifications, so that the packaging is high in compatibility and universality.
Description
Technical Field
The invention belongs to the technical field of packaging equipment, and particularly relates to a film packaging sealing and cutting machine.
Background
At present, the technology for packaging the fully-closed film of the product in the market mainly adopts a constant-temperature sealing cutter matched with a die to realize sealing, cutting and packaging of the product with specified specifications, namely, the film at the end part of the product is smoothed out through the die, and then the sealing, cutting and packaging of the film at the end part are finished by utilizing the constant-temperature sealing cutter, so that the fully-closed film packaging is realized. The packaging mode has the following defects: 1) When products with different specifications are packaged in a film way, the dies with corresponding specifications are required to be replaced, the universality is poor, the cost of each die is high, the replacement is troublesome, and the production cost is high; 2) The sealing line is skewed and wrinkled, and the position of the sealing line of the film is positioned in the middle of the end face of the product, so that the appearance effect of the product package is affected; 3) The film has large residual quantity during sealing and cutting, and wastes materials; 4) The power consumption is high, and the energy is wasted.
Disclosure of Invention
The embodiment of the invention aims to solve the technical problems of poor universality and poor packaging appearance effect of a sealing and cutting machine in the prior art.
The embodiment of the invention is realized in such a way that a film packaging sealing and cutting machine is provided, and the film packaging sealing and cutting machine comprises a workbench, a film coil for providing a film, an on-line conveying mechanism for conveying a product to be packaged to a cuff wrapping station on the workbench, a cuff wrapping mechanism for carrying out film cuff wrapping on the product to be packaged, an operating mechanism for conveying the product with the cuff wrapped on the workbench to a sealing and cutting station, and a U-shaped corner cutting mechanism for carrying out film sealing and cutting on the product with the cuff wrapped; the film coil stock is arranged above the on-line conveying mechanism, the cuff wrapping mechanism and the U-shaped corner cutting mechanism are fixedly arranged on the workbench, the operating mechanism is positioned below the cuff wrapping mechanism and the U-shaped corner cutting mechanism and is movably arranged in the middle of the workbench, and the cuff wrapping mechanism is positioned between the on-line conveying mechanism and the U-shaped corner cutting mechanism;
the U-shaped corner cutting mechanism comprises a righting clamping device for clamping and fixing two opposite side surfaces of the product with the cuff and two corner cutting devices for sealing and cutting films on the other two opposite side surfaces of the product with the cuff, and the two corner cutting devices are symmetrically arranged on two sides of the righting clamping device;
each corner cutting device comprises a corner cutting machine frame, a first horizontal guide rail, a driving assembly, a first lifting cylinder, a film splitting fixing seat, two film splitting assemblies, a sealing and cutting heating wire and a sealing and cutting power taking device, wherein the extending direction of the first horizontal guide rail is perpendicular to the clamping direction of the righting clamping device, the corner cutting machine frame is arranged on the first horizontal guide rail, and the driving assembly is connected with the corner cutting machine frame and drives the corner cutting machine frame to slide along the first horizontal guide rail; the first lifting cylinder is arranged on the corner cutting frame, the film splitting fixing seat is arranged at the power output end of the first lifting cylinder, the two film splitting assemblies are arranged on the film splitting fixing seat in an openable and closable manner, and the openable and closable movement directions of the two film splitting assemblies are parallel to the clamping direction of the rectifying clamping device; the sealing and cutting heating wires are wound on the two splitting assemblies, and the shape of the sealing and cutting heating wires is changed along with the opening and closing movement of the two splitting assemblies so as to adapt to the end face size of a product to be packaged, and the sealing and cutting heating wires are electrically connected with the sealing and cutting power-taking device.
Further, each film splitting assembly comprises a film splitting cylinder, a film splitting plate and a tension spring, a second horizontal guide rail is arranged on the film splitting fixing seat, the clamping directions of the second horizontal guide rail and the correcting clamping device are parallel to each other, a sliding block is mounted on the second horizontal guide rail, the body of the film splitting cylinder is fixedly connected with the sliding block, the power output end of the film splitting cylinder is fixed on the side wall of the film splitting fixing seat, and the film splitting plate is fixed on the body of the film splitting cylinder; the two splitting assemblies are symmetrically arranged on the splitting fixing seat, the sealing and cutting heating wires are wound on the splitting plate of the two splitting assemblies, and two ends of the sealing and cutting heating wires are respectively connected with the tension springs of the two splitting assemblies.
Further, the splitting assembly further comprises a middle connecting wire and a plurality of splitting limiting bend wheels for limiting the sealing and cutting electric heating wires, wherein the splitting limiting bend wheels are arranged at the edges of the splitting plate, and the sealing and cutting electric heating wires are wound on the splitting limiting bend wheels; the split plate is characterized in that the split plate is further provided with a sliding groove, a conductive block is arranged in the sliding groove, two ends of the seal cutting electric heating wire are respectively connected with the conductive block, and the middle connecting wire is connected between the conductive block and the tension spring.
Further, two silica gel plates and a corner cutting waste collecting mechanism for collecting thin film waste are arranged on the corner cutting machine frame, a waste barrel is arranged below the corner cutting machine frame, and a gap for the thin film waste to pass through is formed between the two silica gel plates; the corner cut waste collection mechanism comprises a waste pressing cylinder, a waste pressing plate and a plurality of steel needles, wherein the waste pressing cylinder is arranged on the corner cut rack, one end of the waste pressing plate is arranged on the power output end of the waste pressing cylinder, and the steel needles are arranged at the other end of the waste pressing plate side by side and are opposite to the gap between the two silica gel plates.
Further, the driving assembly comprises a rotating motor, a driving gear and a driving rack, the rotating motor is installed on one side of the first horizontal guide rail, the driving gear is installed on the power output end of the rotating motor, the driving rack is fixed on the corner cutting rack, and the driving gear and the driving rack are meshed with each other.
Further, the righting clamping device comprises a fixing frame, a second lifting cylinder, a clamping cylinder and a clamping assembly, wherein the second lifting cylinder is fixed on the fixing frame, the clamping cylinder is installed on the power output end of the second lifting cylinder, and the clamping assembly is installed on the power output end of the clamping cylinder; the second lifting cylinder drives the clamping cylinder to move up and down along the vertical direction so as to adjust the height of the clamping cylinder, and the clamping cylinder drives the clamping assembly to move in a telescopic manner so as to normalize and clamp the product to be packaged; the first horizontal guide rail is perpendicular to the stretching direction of the clamping cylinder, and the opening and closing movement directions of the two splitting assemblies are parallel to the stretching direction of the clamping cylinder.
Further, the telescopic rods are arranged at two ends of the clamping cylinder, the clamping assembly comprises two clamping parts, each telescopic rod is provided with a clamping part, the moving directions of the telescopic rods at two ends of the clamping cylinder are opposite, each clamping part comprises a base plate, a clamping plate and foaming silica gel, the base plates are arranged on the telescopic rods of the clamping cylinder, the clamping plates are arranged on one side, close to a product to be packaged, of the base plates, and the foaming silica gel is arranged on one side, close to the product to be packaged, of the clamping plates.
Further, the cuff wrapping mechanism comprises a cuff wrapping frame, a first telescopic cylinder, a sealing and cutting pressing plate, a cuff wrapping heating wire, a second telescopic cylinder, a pressing plate and a cuff wrapping electricity taking device, wherein the first telescopic cylinder and the second telescopic cylinder are both arranged on the cuff wrapping frame, the sealing and cutting pressing plate is arranged on the power output end of the first telescopic cylinder, and the pressing plate is arranged on the power output end of the second telescopic cylinder; the second telescopic cylinder drives the pressing plate to move up and down along the vertical direction and correspondingly compresses or loosens the product to be packaged, the first telescopic cylinder drives the sealing and cutting pressing plate to move up and down along the side surface of the product to be packaged, the wrapping cuff heating wire is arranged on one side, close to the product to be packaged, of the sealing and cutting pressing plate, and the wrapping cuff heating wire is electrically connected with the wrapping cuff electricity taking device.
Further, the cuff wrapping mechanism further comprises two guide shafts and a first mounting plate, wherein the two guide shafts are parallel to each other and fixed on the workbench, each guide shaft is provided with a sliding piece capable of moving up and down, and a horizontal cross rod is fixedly connected between the sliding pieces of the two guide shafts; the first mounting plate is fixed at the tops of the two guide shafts which are parallel to each other, the first telescopic cylinder is mounted on the first mounting plate, the power output end of the first telescopic cylinder is connected with the horizontal cross rod, and the sealing and cutting pressing plate is mounted on the horizontal cross rod;
the first telescopic cylinder is arranged at the top of the first mounting plate, and the power output end of the first telescopic cylinder penetrates through the top of the first mounting plate and is connected with the horizontal cross rod through a floating joint; two vertical connecting rods are arranged on the horizontal cross rod, and the sealing and cutting pressing plate is arranged at one end, far away from the horizontal cross rod, of the vertical connecting rod.
Further, two sliding grooves are symmetrically formed in the top of the sealing and cutting pressing plate, a wood board sliding block is arranged in each sliding groove, a conductive copper block is embedded in each wood board sliding block, each conductive copper block is connected with the corresponding cuff heating wire, and each conductive copper block is electrically connected with the corresponding cuff electricity taking device; the wood board sliding block is connected with a spring in a stretching state, and one end, away from the wood board sliding block, of the spring in the stretching state is fixed on the inner wall of the sliding groove.
Further, the cuff wrapping mechanism further comprises four cuff wrapping limit bend wheels, the sealing and cutting pressing plate is of a cuboid structure, the four cuff wrapping limit bend wheels are respectively arranged on one side, close to the product to be packaged, of the sealing and cutting pressing plate, and the four cuff wrapping limit bend wheels are respectively arranged at four corners of the sealing and cutting pressing plate; the cuff heating wires are respectively wound on the four cuff limiting bend wheels, and the cuff heating wires are correspondingly positioned at the edges of the sealing and cutting pressing plate.
Further, the feeding conveying mechanism comprises a feeding table, a weighing device, a clamping conveying device and a pushing device; one end of the wire feeding table is connected with the weighing device, the other end of the wire feeding table is connected with the cuff mechanism, and the clamping conveying device is arranged above the wire feeding table.
Further, a cuff waste collection mechanism for collecting waste generated by a cuff is arranged below the gap wrapping mechanism and the online conveying mechanism, and comprises a material receiving cylinder, a material receiving rack, a material receiving gear, a driving roller, a driven roller, a one-way bearing and a compression bar assembly for controlling the driven roller to be attached to or detached from the driving roller; the receiving rack is arranged at the power output end of the receiving cylinder, the receiving gear is meshed with the receiving rack, the outer ring of the one-way bearing is connected with the inner hole of the receiving gear through a key, the inner ring of the one-way bearing is connected with the driving roller through a key, and the two ends of the driving roller are rotatably arranged on the workbench.
Further, the operation mechanism comprises two jacking cylinders, an electric sliding table, an operation sliding seat and two suckers for sucking products; the two jacking cylinders are arranged at intervals, the lower end of the electric sliding table is arranged at the power output end of the jacking cylinder, the operation sliding seat is slidably arranged on the electric sliding table, and the two suckers are arranged on the operation sliding seat at intervals.
Compared with the prior art, the embodiment of the invention has the beneficial effects that: according to the invention, after two opposite sides of a product with a packaged cuff are clamped and fixed on a workbench through the righting and clamping device, a driving component on the corner cutting device is utilized to drive the corner cutting rack to slide along a first horizontal guide rail, so that two film splitting components are moved to positions of the other two opposite sides of the product with the packaged cuff, and are abutted against the sides of the product through driving a first lifting cylinder, the films are smoothed out through opening and closing movements of the two film splitting components, the width of the outer sides of the opening of the two film splitting components is moved to be equivalent to the width of the sides of the product, a seal cutting heating wire is overlapped with edges of the sides of the product, and then instant heating is generated through the seal cutting heating wire matched with an electricity taking device to realize hot-melt seal cutting on the films on the product, so that seal cutting lines of the films are positioned at corner lines of the product.
Drawings
FIG. 1 is a schematic view of a film packaging sealing and cutting machine according to an embodiment of the present invention;
FIG. 2 is a side view schematic of the film wrapper sealing and cutting machine shown in FIG. 1;
FIG. 3 is a schematic top view of FIG. 2;
FIG. 4 is a schematic view of the cuff mechanism of FIG. 1;
FIG. 5 is a schematic illustration of the cuff refuse collection mechanism of FIG. 1;
FIG. 6 is a schematic view of the U-shaped corner cutting mechanism of FIG. 1;
FIG. 7 is a schematic view of the righting clamp device of FIG. 6;
FIG. 8 is a schematic view of the corner cutting device and corner cut waste collection mechanism connection of FIG. 6;
FIG. 9 is a schematic view of the corner cutting apparatus of FIG. 8;
FIG. 10 is a schematic view of the connection structure of the split mounting bracket and split assembly of FIG. 9;
fig. 11 is a schematic diagram of the operating mechanism in fig. 3.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Fig. 1 to 3 show a film packaging sealing and cutting machine according to an embodiment of the present invention. The sealing and cutting machine comprises a workbench 1, a film roll 2, an upper wire conveying mechanism 3, a sleeve wrapping mechanism 4, an operating mechanism 5, a U-shaped corner cutting mechanism 6 and a lower wire conveying mechanism 7, wherein the film roll 2 is arranged above the upper wire conveying mechanism 3, the sleeve wrapping mechanism 4 and the U-shaped corner cutting mechanism 6 are fixedly arranged on the workbench 1, the operating mechanism 5 is arranged below the sleeve wrapping mechanism 4 and the U-shaped corner cutting mechanism 6 and movably arranged in the middle of the workbench 1, the sleeve wrapping mechanism 4 is arranged between the upper wire conveying mechanism 7 and the U-shaped corner cutting mechanism 6, the upper wire conveying mechanism 3 is arranged at one end of the workbench 1, the lower wire conveying mechanism 7 is arranged at the other end of the workbench 1, and a sleeve waste collecting mechanism 8 for collecting film waste generated by sleeve wrapping is arranged below the sleeve wrapping mechanism 4 and the upper wire conveying mechanism 3. Wherein, workstation 1 is used for placing and waits to pack product A, and the free end of film coil stock 2 passes and extends to the below from the clearance between online conveying mechanism 3 and the workstation 1, carries out the centre gripping pulling by cuff garbage collection mechanism 8, and this film coil stock 2 is used for providing the film cladding on product A. The on-line conveying mechanism 3 is used for conveying a product A to be packaged to a cuff wrapping station on the workbench 1, the cuff wrapping mechanism 4 is used for wrapping cuffs on the product A to be packaged by films, the operating mechanism 5 is used for conveying the product A wrapped with cuffs on the workbench 1 to a sealing and cutting station of the workbench 1, the U-shaped corner cutting mechanism 6 is used for sealing, cutting and packaging the product A wrapped with cuffs by films, and the off-line conveying mechanism 7 is used for conveying the product A wrapped with films to the next procedure.
In the above embodiment, the wire feeding mechanism 3 includes the wire feeding stage 31, the weighing device 32, the nip conveying device, and the pushing device. One end of the upper wire table 31 is connected with the weighing device 32, the other end of the upper wire table 31 is connected with the cuff mechanism 4, and the clamping conveying device is arranged above the upper wire table 31. The weighing device 32 is used for detecting the weight of a product to be packaged, the clamping and conveying device comprises a pneumatic clamping jaw 33 and a conveying sliding table 34, the pneumatic clamping jaw 33 is movably arranged on the conveying sliding table 34, and the pneumatic clamping jaw 33 is used for clamping the product A to be packaged on the weighing device 32 and moving to be placed on the upper line table 31. The pushing device comprises a pushing air cylinder 35 and a pushing rod 36, the pushing rod 36 is arranged on the power output end of the pushing air cylinder 35, the pushing rod 36 is arranged on the upper line table 31 and is used for pushing the product A to be packaged on the upper line table 31 to enter a cuff station of the workbench 1 after being covered with a film.
Referring to fig. 4 together, the cuff mechanism 4 in the above embodiment includes a cuff frame (not shown), a first telescopic cylinder 41, a sealing and cutting platen 42, a cuff heating wire 43, a second telescopic cylinder 44, a pressing plate 45, and a cuff power taking device (not shown). The first telescopic cylinder 41 and the second telescopic cylinder 44 are both arranged on the cuff frame, the cuff heating wire 43 is arranged on one side, close to the product A to be packaged, of the cuff heating wire 42, the cuff heating wire 43 is electrically connected with the cuff power taking device and used for taking electricity, heating and fusing a sealing and cutting film.
The cuff mechanism 4 further includes two parallel guide shafts 46 and a first mounting plate 47, where the two parallel guide shafts 46 are fixed on the workbench 1, and a sliding member 460 capable of moving up and down is mounted on each guide shaft 46, and in this embodiment, the sliding member 460 is a linear bearing, and of course, other components such as a sliding block may also be used. The horizontal cross rod 461 is fixedly connected between the sliding parts 460 on the two guide shafts 46, the first mounting plate 47 is fixed on the tops of the two guide shafts 46 which are parallel to each other, the first telescopic cylinder 41 is mounted on the first mounting plate 47, and the power output end of the first telescopic cylinder 41 passes through the first mounting plate 47 and is connected with the horizontal cross rod 461 through the floating joint 48. Two vertical connection rods 462 spaced apart from each other are installed on the horizontal cross rod 461, and the sealing and cutting press plate 42 is installed at one end of the vertical connection rod 462 away from the horizontal cross rod 461, so that the sealing and cutting press plate 42 is installed on the horizontal cross rod 461 through the vertical connection rod 462. The telescopic movement of the first telescopic cylinder 41 drives the horizontal cross rod 461 to move up and down in the vertical direction, and then the belt sealing and cutting press plate 42 moves up and down in the vertical direction.
The cuff mechanism 4 further comprises a second mounting plate 49, the second mounting plate 49 is fixed on the cuff frame, and the second telescopic cylinder 44 is mounted on the second mounting plate 49. The pressing plate 45 is installed on the power output end of the second telescopic cylinder 44, and the second telescopic cylinder 44 drives the pressing plate 45 to move up and down along the vertical direction, and accordingly presses or releases the product A to be packaged. The first telescopic cylinder 41 drives the sealing and cutting pressing plate 42 to move up and down along the side face of the product A to be packaged, the cuff heating wire 43 is arranged on one side, close to the product A to be packaged, of the sealing and cutting pressing plate 42, and the cuff heating wire 43 is electrically connected with the cuff electricity taking device. When the sealing and cutting pressing plate 42 is pressed down to the lower edge of the side face of the product A to be packaged, the cuff power-taking device is electrified, the cuff heating wire 43 instantaneously heats and fuses the film, and therefore the cuff wrapping procedure of the product A is completed.
The two sliding grooves 420 are symmetrically formed in the top of the sealing and cutting pressing plate 42, a board sliding block 421 is arranged in the sliding groove 420, a conductive copper block (not labeled in the figure) is embedded in the board sliding block 421, the conductive copper block is connected with the cuff heating wire 43, and the conductive copper block is electrically connected with the cuff electricity taking device for taking electricity and transmitting the electricity to the cuff heating wire 43. The plank slide 421 is connected with a spring (not shown) in a stretched state, and one end of the spring in a stretched state, which is far away from the plank slide 421, is fixed on the inner wall of the chute 420. Because the cuff heating wire 43 expands after being electrified and heated, the corresponding distance can be lengthened, and at the moment, the cuff heating wire 43 can be ensured to be always kept in a stretched and straightened state during working under the action of the elasticity of the spring, so that the hot-melt film is facilitated.
The cuff mechanism 4 further comprises four cuff limiting bend wheels 422, the sealing and cutting pressing plate 43 is of a cuboid structure, the four cuff limiting bend wheels 422 are respectively arranged on one side, close to the product A to be packaged, of the sealing and cutting pressing plate 43, and the four cuff limiting bend wheels 422 are respectively arranged at four corners of the sealing and cutting pressing plate; the cuff heating wires are respectively wound on the four cuff limiting bend wheels 422, so that the cuff heating wires 43 are correspondingly positioned at the edge of the sealing and cutting pressing plate 42 and cannot shift.
The cuff wrapping mechanism 4 of the embodiment of the invention works in a single film rolling feeding mode, and the first telescopic cylinder 41 and the second telescopic cylinder 44 respectively drive the sealing and cutting pressing plate 42 and the pressing plate 45 to vertically move downwards. The pressing plate 45 is correspondingly pressed on the top of the product A to be packaged, so that the relative position of the product A to be packaged is fixed, and the product is prevented from moving; meanwhile, the sealing and cutting pressing plate 42 moves downwards against the side surface of the product A to be packaged, and after the sealing and cutting pressing plate moves to the lower end edge of the product A, the cuff heating wire 43 is correspondingly positioned at the edge of the product A to be packaged. At this time, the electric installation is got to the utilization package cuff and is got two electrically conductive copper pieces circular telegram to transfer to on the package cuff heating wire 43, the package cuff heating wire 43 is electrified back and is heated in the twinkling of an eye, thereby fuses the film, accomplishes package cuff and seals and cuts the action, makes the package cuff seal tangent line have one to be located product A's edge position, makes package outward appearance effect pleasing to the eye. After the sealing and cutting are completed, the power-taking device is powered off, and all parts return to the original positions, so that the parts are cycled and reciprocated.
After the wrapping and cutting of the product is completed, the free end of the film roll 2 is pulled downwards through the wrapping and cutting waste collection mechanism 8, so that the sealing and cutting line left on the film roll 2 is pulled down for recycling, the film does not have the sealing and cutting line before the wrapping and cutting of the product A, and only one wrapping and cutting line of the following product A is further provided.
Referring to fig. 5 together, the above-mentioned cuff waste collection mechanism 8 includes a receiving cylinder 81, a receiving rack 82, a receiving gear 83, a driving roller 84, a driven roller 85, a one-way bearing 86, and a pressing rod assembly 87 for controlling the driven roller to attach to or detach from the driving roller; the receiving rack 82 is installed at the power take-off end of receiving cylinder 81, receiving gear 82 and receiving rack 83 meshing are connected, the outer lane of one-way bearing 86 passes through key connection with receiving gear hole, the inner lane of one-way bearing passes through key connection with the initiative cylinder, the both ends of initiative cylinder are rotatably installed on workstation 1. When the cuff waste collection mechanism 8 works, the driven roller 85 is abutted against the driving roller 84 by controlling the pressing rod assembly 87, the free end of the film roll 2 is clamped between the driving roller 84 and the driven roller 85, when the receiving cylinder 81 drives the receiving rack 82 to ascend, the receiving rack 82 drives the receiving gear 83 to rotate, the one-way bearing 86 drives the driving roller 84 to rotate, the film is pulled downwards to be collected, when the receiving cylinder 81 drives the receiving rack 82 to descend, the receiving rack 82 drives the receiving gear 83 to reversely rotate, the one-way bearing 86 freely rotates, the driving roller 84 does not rotate, and the film is in a static state; by the telescopic reciprocating driving of the material receiving cylinder 81, the free end of the film only moves downwards due to the unidirectional power transmission function of the unidirectional bearing 86, so that the function of pulling down and collecting the film waste wrapped with cuffs is realized.
Referring to fig. 6 to 10 together, the U-shaped corner cutting mechanism 6 includes a righting and clamping device 61 for clamping and fixing two opposite sides of the product with the cuff and two corner cutting devices 62 for sealing and cutting the film on the other two opposite sides of the product with the cuff, wherein the two corner cutting devices 62 are symmetrically arranged at two sides of the righting and clamping device 61.
In the above embodiment, the righting clamping device 61 includes the fixing frame 611, the second lifting cylinder 612, the clamping cylinder 613, and the clamping assembly, the second lifting cylinder 612 is fixed on the fixing frame 611, the clamping cylinder 613 is mounted on the power output end of the second lifting cylinder 612, and the clamping assembly is mounted on the power output end of the clamping cylinder 613. In this embodiment, the two ends of the clamping cylinder 613 are respectively provided with a telescopic rod, the clamping assembly comprises two clamping parts 614, each telescopic rod is provided with one clamping part 614, the moving directions of the telescopic rods at the two ends of the clamping cylinder 613 are opposite, the second lifting cylinder 612 drives the clamping cylinder 613 to move up and down along the vertical direction so as to adjust the height of the clamping cylinder 613, and the two telescopic rods of the clamping cylinder 613 drive the two clamping parts 614 of the clamping assembly to move in a telescopic manner so as to rightly clamp the sides of the two wrapped cuffs of the product A.
The clamping part 614 comprises a base plate 615, a clamping plate 616 and foam silica gel 617, wherein the base plate 615 is arranged on a telescopic rod of the clamping cylinder 613, the clamping plate 616 is arranged on one side of the base plate 615 close to the product A to be packaged, and the foam silica gel 617 is arranged on one side of the clamping plate 616 to be packaged, so that when the product A is clamped, the foam silica gel 617 is used for clamping the product A to avoid damaging the product A to be packaged.
In the above embodiment, each corner cutting device 62 includes a corner cutting frame 621, a first horizontal guide rail 622, a driving component 623, a first lifting cylinder 624, a film splitting fixing seat 625, two film splitting assemblies 626, a sealing and cutting heating wire 627, and a sealing and cutting power taking device (not shown in the figure). The extending direction of the first horizontal guide rail 622 is perpendicular to the extending direction of the clamping cylinder 613, the corner cutting machine frame 621 is arranged on the first horizontal guide rail 622, the driving component 623 is connected with the corner cutting machine frame 621, and the corner cutting machine frame 621 is driven to slide along the first horizontal guide rail 622; thereby the distance between the corner cutting device 62 and the righting clamping device 61 can be adjusted to adapt to the product A to be packaged with no length, and the compatibility of the product A to be packaged in the length direction is realized. The first lifting cylinder 624 is mounted on the corner cutting frame 621, the film splitting fixing seat 625 is mounted at the power output end of the first lifting cylinder 624, the two film splitting assemblies 626 are mounted on the film splitting fixing seat 625 in an openable and closable manner, and the openable and closable movement directions of the two film splitting assemblies 626 are parallel to the telescopic direction of the clamping cylinder 613; the seal cutting electric heating wire 627 is wound on the two split film assemblies 626, and the shape of the seal cutting electric heating wire is changed along with the opening and closing movement of the two split film assemblies 626 so as to adapt to the compatibility of the end face size of the product A to be packaged, and the seal cutting electric heating wire 627 is electrically connected with the seal cutting electric taking device and can instantaneously generate heat after being electrified.
The driving component 623 includes a rotating motor 6231, a driving gear 6232 and a driving rack 6233, the rotating motor 6231 is installed on one side of the first horizontal rail 622, the driving gear 6232 is installed on the power output end of the rotating motor 6231, the driving rack 6233 is fixed on the corner cutting frame 621, the driving gear 6232 and the driving rack 6233 are meshed with each other, the driving gear 6232 can be driven to rotate by the rotating motor 6231, and the rotation of the driving gear 6232 drives the driving rack 6233 to move horizontally, so as to drive the corner cutting frame 621 to move horizontally along the first horizontal rail 622.
In the above embodiment, each splitting assembly 626 includes a splitting cylinder 6261, a splitting plate 6262 and a tension spring 6263, the splitting fixing base 625 is provided with a second horizontal rail 628, the clamping directions of the second horizontal rail 628 and the restoring clamping device 61 are parallel, and two sliding blocks 629 are installed on the second horizontal rail 628. The body of the film splitting cylinder 6261 is fixedly connected with the sliding block 629, the power output end of the film splitting cylinder 6261 is fixed on the side wall of the film splitting fixing seat 625, and the film splitting plate 6262 is fixed on the body of the film splitting cylinder 6261; the two splitting assemblies 626 are symmetrically arranged on the splitting fixing seat 625, the sealing and cutting heating wires 627 are wound on the splitting plate 6262 of the two splitting assemblies 626, and two ends of the sealing and cutting heating wires 627 are respectively connected with the tension springs 6263 of the two splitting assemblies 626.
The splitting assembly 626 further comprises a middle connecting wire 6264 and a plurality of splitting limiting bend wheels 6265 for limiting and sealing and cutting the electric heating wires 627, wherein the splitting limiting bend wheels 6265 are arranged at the edges of the splitting plate 6262, and the sealing and cutting electric heating wires 627 are wound on the splitting limiting bend wheels 6265; the film splitting plate 6262 is also provided with a sliding groove 6266, a conductive block 6267 is arranged in the sliding groove 6266, two ends of the sealed and cut heating wire 627 are respectively connected with the conductive block 6267, and the middle connecting wire 6264 is connected between the conductive block 6267 and the tension spring 6263.
When the U-shaped corner cutting mechanism 6 works, after the products A wrapped with cuffs are conveyed to the sealing and cutting station by the operating mechanism 5, the second lifting cylinder 612 drives the clamping cylinder 613 to move downwards to the set position, the clamping cylinder 613 is folded inwards, and the two clamping parts 614 correspondingly restore and clamp the products A wrapped with cuffs. Then, the rotating motor 6231 drives the corner cutting frame 621 to approach the product a to be packaged to a set position, and the first lifting cylinder 624 drives the split film plates 6262 of the two split film assemblies 626 to descend against the edge of the product a to be packaged, at this time, the split film plates 6262 of the two split film assemblies 626 are in a tight state. After the film splitting assemblies 626 are lowered in place, the power output ends of the film splitting cylinders 6261 of the two film splitting assemblies 626 are retracted, and correspondingly drive the two film splitting plates 6262 to be mutually opened to be equivalent to the width of the end face of the unpacked cuffs of the product A, the films at the end portions of the unpacked cuffs of the product A are smoothed out, and at the moment, the sealed and cut heating wires 627 are correspondingly positioned at the edges of the end face of the product A to be packaged. When the two splitting membrane plates 6262 move in place, the sealing and cutting power-taking device is electrified, the conductive blocks 6267 of the two splitting membrane assemblies 626 are electrified simultaneously, the sealing and cutting heating wires 627 instantaneously heat and fuse the film at the end face of the product A to be packaged, the sealing and cutting lines are correspondingly positioned at the edge of the end face of the product A, and the sealing and cutting lines are U-shaped, so that the sealing and cutting lines are beneficial to being corresponding to the edges of the product and the beautiful packaging effect of the product is facilitated. And the two corner cutting devices 62 run synchronously to finish the sealing and cutting actions of two pairs of side surfaces of the packaged cuff product A, thereby providing production efficiency. The U-shaped sealing and cutting mechanism 6 not only can be compatible with products of various specifications, but also can realize thermal fusing sealing and cutting by adopting the sealing and cutting electric heating wire 627 matched with the sealing and cutting electric taking device, and the sealing and cutting electric heating wire 627 instantaneously heats the fusing film, thereby saving energy.
Referring to fig. 8, two silica gel plates 6211 and a corner cut waste collection mechanism 9 for collecting the film waste are mounted on the corner cut frame 621, a waste barrel 10 is disposed under the corner cut frame 621, and a gap for the film waste to pass through is provided between the two silica gel plates 6211. The corner cut waste collection mechanism 9 comprises a waste pressing cylinder 91, a waste pressing plate 92 and a plurality of steel needles 93, wherein the waste pressing cylinder 91 is arranged on the corner cut machine frame 621, one end of the waste pressing plate 92 is arranged on the power output end of the waste pressing cylinder 91, the steel needles 93 are arranged at the other end of the waste pressing plate 92 side by side and are opposite to a gap between two silica gel plates 6211, and the waste pressing plate 92 and the steel needles 93 just can pass through the gap between the two silica gel plates 6211.
After the product A is sealed and cut, the produced film waste is left on the silica gel plate 6211 at the side end of the product A, the waste pressing plate 92 is driven to move downwards by the waste pressing cylinder 91, the film waste is pricked by the steel needle 93 on the waste pressing plate 92, and the film waste is driven to pass through a gap between the two silica gel plates 6211, and then the waste pressing cylinder 91 drives the waste pressing plate 92 to move upwards, so that the film waste falls off from the steel needle 93 and falls into the waste barrel 10 due to the blocking of the two silica gel plates 6211 on the film waste, so that the film waste after the sealing and cutting is collected.
Referring to fig. 11 together, the operating mechanism 5 includes two lifting cylinders 51, an electric sliding table 52, an operating sliding seat 53, and two suction cups 54 for sucking the product; the two jacking air cylinders 51 are arranged at intervals, the lower end of the electric sliding table 52 is arranged on the power output end of the jacking air cylinder 51, the operation sliding seat 53 is slidably arranged on the electric sliding table 52, the two suckers 54 are arranged on the operation sliding seat 53 at intervals, the two suckers 54 are driven by the two jacking air cylinders 51 to move upwards, the two suckers are respectively used for sucking a product A wrapped with cuffs on the workbench 1 and a product A packaged by sealing and cutting, and the operation sliding seat 53 is driven by the electric sliding table 52 to respectively convey the product A wrapped with cuffs to a sealing and cutting station and convey the product A packaged by sealing and cutting to the offline conveying mechanism 7.
In summary, the film packaging sealing and cutting machine disclosed by the invention can well seal and cut the sealing and cutting line of the film on the edge of the product A correspondingly, and the product packaging effect is attractive; meanwhile, the packaging machine can adapt to products A with different specifications, and is high in compatibility and universality.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (12)
1. The film packaging sealing and cutting machine is characterized by comprising a workbench, a film coil for providing a film, an on-line conveying mechanism for conveying a product to be packaged to a cuff wrapping station on the workbench, a cuff wrapping mechanism for wrapping cuffs of the product to be packaged by the film, an operating mechanism for conveying the product wrapped with cuffs on the workbench to a sealing and cutting station and a U-shaped corner cutting mechanism for sealing and cutting the product wrapped with cuffs by the film; the film coil stock is arranged above the on-line conveying mechanism, the cuff wrapping mechanism and the U-shaped corner cutting mechanism are fixedly arranged on the workbench, the operating mechanism is positioned below the cuff wrapping mechanism and the U-shaped corner cutting mechanism and is movably arranged in the middle of the workbench, and the cuff wrapping mechanism is positioned between the on-line conveying mechanism and the U-shaped corner cutting mechanism;
the U-shaped corner cutting mechanism comprises a righting clamping device for clamping and fixing two opposite side surfaces of the product with the cuff and two corner cutting devices for sealing and cutting films on the other two opposite side surfaces of the product with the cuff, and the two corner cutting devices are symmetrically arranged on two sides of the righting clamping device;
each corner cutting device comprises a corner cutting machine frame, a first horizontal guide rail, a driving assembly, a first lifting cylinder, a film splitting fixing seat, two film splitting assemblies, a sealing and cutting heating wire and a sealing and cutting power taking device, wherein the extending direction of the first horizontal guide rail is perpendicular to the clamping direction of the righting clamping device, the corner cutting machine frame is arranged on the first horizontal guide rail, and the driving assembly is connected with the corner cutting machine frame and drives the corner cutting machine frame to slide along the first horizontal guide rail; the first lifting cylinder is arranged on the corner cutting frame, the film splitting fixing seat is arranged at the power output end of the first lifting cylinder, the two film splitting assemblies are arranged on the film splitting fixing seat in an openable and closable manner, and the openable and closable movement directions of the two film splitting assemblies are parallel to the clamping direction of the rectifying clamping device; the sealing and cutting heating wires are wound on the two splitting assemblies, the shape of the sealing and cutting heating wires is changed along with the opening and closing movement of the two splitting assemblies so as to adapt to the end face size of a product to be packaged, and the sealing and cutting heating wires are electrically connected with the sealing and cutting power-taking device;
the driving assembly comprises a rotating motor, a driving gear and a driving rack, the rotating motor is arranged on one side of the first horizontal guide rail, the driving gear is arranged on the power output end of the rotating motor, the driving rack is fixed on the corner cutting rack, and the driving gear and the driving rack are meshed with each other;
the feeding conveying mechanism comprises a feeding table, a weighing device, a clamping conveying device and a pushing device; one end of the wire feeding table is connected with the weighing device, the other end of the wire feeding table is connected with the cuff mechanism, and the clamping conveying device is arranged above the wire feeding table.
2. The film packaging sealing and cutting machine according to claim 1, wherein each film splitting assembly comprises a film splitting cylinder, a film splitting plate and a tension spring, a second horizontal guide rail is arranged on the film splitting fixing seat, the clamping directions of the second horizontal guide rail and the correcting clamping device are parallel to each other, a sliding block is arranged on the second horizontal guide rail, a body of the film splitting cylinder is fixedly connected with the sliding block, a power output end of the film splitting cylinder is fixed on the side wall of the film splitting fixing seat, and the film splitting plate is fixed on the body of the film splitting cylinder; the two splitting assemblies are symmetrically arranged on the splitting fixing seat, the sealing and cutting heating wires are wound on the splitting plate of the two splitting assemblies, and two ends of the sealing and cutting heating wires are respectively connected with the tension springs of the two splitting assemblies.
3. The film packaging sealing and cutting machine according to claim 2, wherein the film splitting assembly further comprises a middle connecting wire and a plurality of film splitting limiting bend wheels for limiting the sealing and cutting heating wires, the film splitting limiting bend wheels are arranged at edges of the film splitting plate, and the sealing and cutting heating wires are wound on the film splitting limiting bend wheels; the split plate is characterized in that the split plate is further provided with a sliding groove, a conductive block is arranged in the sliding groove, two ends of the seal cutting electric heating wire are respectively connected with the conductive block, and the middle connecting wire is connected between the conductive block and the tension spring.
4. The film package sealing and cutting machine according to claim 1, wherein two silica gel plates and a corner cutting waste collecting mechanism for collecting film waste are arranged on the corner cutting machine frame, a waste barrel is arranged below the corner cutting machine frame, and a gap for the film waste to pass through is arranged between the two silica gel plates; the corner cut waste collection mechanism comprises a waste pressing cylinder, a waste pressing plate and a plurality of steel needles, wherein the waste pressing cylinder is arranged on the corner cut rack, one end of the waste pressing plate is arranged on the power output end of the waste pressing cylinder, and the steel needles are arranged at the other end of the waste pressing plate side by side and are opposite to the gap between the two silica gel plates.
5. The film package sealing and cutting machine according to any one of claims 1 to 4, wherein the righting and clamping device comprises a fixing frame, a second lifting cylinder, a clamping cylinder and a clamping assembly, wherein the second lifting cylinder is fixed on the fixing frame, the clamping cylinder is installed on a power output end of the second lifting cylinder, and the clamping assembly is installed on the power output end of the clamping cylinder; the second lifting cylinder drives the clamping cylinder to move up and down along the vertical direction so as to adjust the height of the clamping cylinder, and the clamping cylinder drives the clamping assembly to move in a telescopic manner so as to normalize and clamp the product to be packaged; the first horizontal guide rail is perpendicular to the stretching direction of the clamping cylinder, and the opening and closing movement directions of the two splitting assemblies are parallel to the stretching direction of the clamping cylinder.
6. The film package sealing and cutting machine according to claim 5, wherein the two ends of the clamping cylinder are respectively provided with a telescopic rod, the clamping assembly comprises two clamping parts, each telescopic rod is respectively provided with a clamping part, the moving directions of the telescopic rods at the two ends of the clamping cylinder are opposite, each clamping part comprises a base plate, a clamping plate and foaming silica gel, the base plates are arranged on the telescopic rods of the clamping cylinder, the clamping plates are arranged on one side, close to a product to be packaged, of the base plates, and the foaming silica gel is arranged on one side, close to the product to be packaged, of the clamping plates.
7. The film package sealing and cutting machine according to claim 1, wherein the cuff wrapping mechanism comprises a cuff wrapping frame, a first telescopic cylinder, a sealing and cutting pressing plate, a cuff wrapping heating wire, a second telescopic cylinder, a pressing plate and a cuff wrapping electricity taking device, wherein the first telescopic cylinder and the second telescopic cylinder are both arranged on the cuff wrapping frame, the sealing and cutting pressing plate is arranged on a power output end of the first telescopic cylinder, and the pressing plate is arranged on a power output end of the second telescopic cylinder; the second telescopic cylinder drives the pressing plate to move up and down along the vertical direction and correspondingly compresses or loosens the product to be packaged, the first telescopic cylinder drives the sealing and cutting pressing plate to move up and down along the side surface of the product to be packaged, the wrapping cuff heating wire is arranged on one side, close to the product to be packaged, of the sealing and cutting pressing plate, and the wrapping cuff heating wire is electrically connected with the wrapping cuff electricity taking device.
8. The film packaging sealing and cutting machine according to claim 7, wherein the sleeve wrapping mechanism further comprises two guide shafts which are parallel to each other and a first mounting plate, the two guide shafts which are parallel to each other are fixed on the workbench, each guide shaft is provided with a sliding piece which can move up and down, and a horizontal cross rod is fixedly connected between the sliding pieces of the two guide shafts; the first mounting plate is fixed at the tops of the two guide shafts which are parallel to each other, the first telescopic cylinder is mounted on the first mounting plate, the power output end of the first telescopic cylinder is connected with the horizontal cross rod, and the sealing and cutting pressing plate is mounted on the horizontal cross rod;
the first telescopic cylinder is arranged at the top of the first mounting plate, and the power output end of the first telescopic cylinder penetrates through the top of the first mounting plate and is connected with the horizontal cross rod through a floating joint; two vertical connecting rods are arranged on the horizontal cross rod, and the sealing and cutting pressing plate is arranged at one end, far away from the horizontal cross rod, of the vertical connecting rod.
9. The film packaging sealing and cutting machine according to claim 7, wherein two sliding grooves are symmetrically formed in the top of the sealing and cutting pressing plate, a wood board sliding block is arranged in each sliding groove, a conductive copper block is embedded in each wood board sliding block, the conductive copper block is connected with the wrapping cuff heating wire, and the conductive copper block is electrically connected with the wrapping cuff electricity taking device; the wood board sliding block is connected with a spring in a stretching state, and one end, away from the wood board sliding block, of the spring in the stretching state is fixed on the inner wall of the sliding groove.
10. The film packaging sealing and cutting machine according to claim 9, wherein the cuff wrapping mechanism further comprises four cuff wrapping limit bend wheels, the sealing and cutting pressing plate is of a cuboid structure, the four cuff wrapping limit bend wheels are respectively arranged on one side, close to the product to be packaged, of the sealing and cutting pressing plate, and the four cuff wrapping limit bend wheels are respectively arranged at four corners of the sealing and cutting pressing plate; the cuff heating wires are respectively wound on the four cuff limiting bend wheels, and the cuff heating wires are correspondingly positioned at the edges of the sealing and cutting pressing plate.
11. The film package sealing and cutting machine according to claim 1, wherein a cuff waste collecting mechanism for collecting waste generated by a cuff is arranged below between the cuff wrapping mechanism and the upper line conveying mechanism, and comprises a receiving cylinder, a receiving rack, a receiving gear, a driving roller, a driven roller, a one-way bearing and a pressing rod component for controlling the driven roller to be attached to or detached from the driving roller; the receiving rack is arranged at the power output end of the receiving cylinder, the receiving gear is meshed with the receiving rack, the outer ring of the one-way bearing is connected with the inner hole of the receiving gear through a key, the inner ring of the one-way bearing is connected with the driving roller through a key, and the two ends of the driving roller are rotatably arranged on the workbench.
12. The film package sealing and cutting machine as set forth in claim 1, wherein said operation mechanism comprises two jacking cylinders, an electric sliding table, an operation sliding seat and two sucking discs for sucking the product; the two jacking cylinders are arranged at intervals, the lower end of the electric sliding table is arranged at the power output end of the jacking cylinder, the operation sliding seat is slidably arranged on the electric sliding table, and the two suckers are arranged on the operation sliding seat at intervals.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711380325.7A CN108584002B (en) | 2017-12-20 | 2017-12-20 | Film packaging sealing and cutting machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711380325.7A CN108584002B (en) | 2017-12-20 | 2017-12-20 | Film packaging sealing and cutting machine |
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| CN108584002A CN108584002A (en) | 2018-09-28 |
| CN108584002B true CN108584002B (en) | 2023-09-08 |
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