CN204383841U - The closing device of plastic-box packaging machine - Google Patents

Abstract

The utility model discloses a kind of closing device of plastic-box packaging machine, be connected to the rear end of plastic-box packaging machine, for the seal location sealing sealing of the packaging bag by loading plastic bag.Comprise frame, press from both sides out output unit, it is characterized in that: in the rear end frame of described plastic-box packaging machine, be also provided with lifting table, hot sealing device, row's bagging apparatus.Plastic-box packaging machine will be loaded automatically in packaging bag after the plastic bag doubling of the cost of output on Bag Making Machine, and the packaging bag loading plastic bag is transported on the clamping manipulator of clamping input media, packaging bag exports and makes the predetermined seal location of packaging bag corresponding with hot knife or heating wire on lifting table by clamping manipulator, lifting table decline afterwards returns to dodge clamping manipulator, then implement sealing by hot sealing device, the packaging bag after sealing is discharged by arranging bagging apparatus.The utility model has that degree of automation is high, package formation is attractive in appearance, the fast efficiency advantages of higher of speed.

Description

The closing device of plastic-box packaging machine

Technical field

The utility model relates to a kind of package packing machine.A kind of closing device that specifically a kind of packaging bag is packed plastic bag.

Background technology

The closing device of plastic-box packaging machine, is arranged on plastic-box packaging machine, for the aperture position heat sealing of packaging bag loading plastic bag, so that deposit, sell, use.Application publication number CN103935567A, date of publication on 07 23rd, 2014, discloses a kind of plastic bag doubling dress chartered plane (hereinafter referred to as documents 1), mainly comprises: doubling charging apparatus, shedding motion, clamping output unit.Its basic function is exactly be encased in packaging bag after the plastic bag doubling by the cost of output on Bag Making Machine.Application publication number CN104003027A, date of publication on 08 27th, 2014, discloses a kind of plastic bag materials auto-feeder for bag (hereinafter referred to as documents 2).Mainly comprise bagging apparatus, bag clamping device, support bagging apparatus, lifting supporting plate, packaging bag lifting tray and lifting sucker.Although the term of these two documents statements is inconsistent, technical characteristic and technical scheme are substantially identical.Although above-mentioned documents 1 and the summary of the invention described in documents 2 can by plastic bag doubling once and be loaded automatically in packaging bag, but it is higher to the requirement of packaging bag, packaging bag is required to make envelope shape, namely the bottom of the opening part of packaging bag grows one section of formation " flap " than upper strata, so that the bottom of fixed packet pack, only in this way to packaging bag opening, could could realize successively to bag.Documents 2 also has such description in its specification sheets: " opening is below than the upper length of side; the part grown just in time corresponds to below the packaging bag pressing plate 28 that before fagging crossbeam 16, top is protruded forward; after pallet 17 rises, packaging bag pressing plate 28 presses the following of uppermost packaging bag D opening; then sucker 24 holds above packaging bag D, and packaging bag D opening is opened by the segment distance that rises---" of packaging bag.

The bottom of packaging bag will grow one section, and this not only wastes packing, too increases bag difficulty and processing charges, and grow one section of impact is attractive in appearance.Application publication number CN104150023A, Shen Qing Publication day: on November 19th, 2014, discloses a kind of plastic-box packaging machine (hereinafter referred to as documents 3).Documents 3 have employed " oscillating type bag taking shedding motion " this difference technical characteristic, thus common packaging bag can be used to pack, reduce packing cost, improve aesthetic measure.

But in above-mentioned 3 documents, no matter be plastic bag doubling dress chartered plane, or plastic bag materials auto-feeder for bag, and even plastic-box packaging machine.Its function is all automatically be loaded automatically in packaging bag by plastic bag, plastic bag is sealing preservation after being encased in packaging bag, also need to seal the opening part of packaging bag, also need manually the opening capper of packaging bag to be sealed, there is the problems such as labour intensity is large, efficiency is low.

To the automatic sealing problem of packaging bag, be that people want to solve but unsolved problem always for a long time.Major Difficulties is: if clamp and be transported to seal location at gripper clamp stop loading the packaging bag of plastic bag, Deng the words again packaging bag being emitted and then return after sealing, so second packaging bag has installed the hauling-out of wait gripper clamp for a long time, this will have a strong impact on package speed, and efficiency is low.And the height of gripper clamp must higher than the height of supporting plate, the rear portion of packaging bag is made to be occurred bending by gripper clamp pinching residence, can cause between the opening part levels of packaging bag closed irregular, the open end lower floor head upper strata end of packaging bag, unfairness after sealing, the problems such as poorly sealed; If gripper clamp just returns the seal location that packaging bag is placed on supporting plate, although do not affect package speed like this, also there will not be " bending " phenomenon, but because the height of supporting plate must lower than gripper clamp, even if the height of supporting plate does not affect the crank motion of gripper clamp, but at gripper clamp, packaging bag is placed on its height after on supporting plate and will exceeds the such height of thickness of packaging bag, and it is highly higher without the place of the packaging bag projection of sealing, packaging bag can be pushed away unrest when returning by gripper clamp, causes next packet assembler to carry out.In the case, the height of supporting plate lower than the height of gripper clamp, and must must reserve the thickness of packaging bag and the such segment distance of height of packaging bag projection.This drop that packaging bag is fallen is comparatively large, easily makes the plastic bag be loaded into scurry out at seal location, easily scalded during sealing in the process fallen; Another problem is that the position that packaging bag falls might not be accurate, and its predetermined seal location might not be corresponding with hot sealing device, moreover packaging bag is easily tilted.

Utility model content

For the deficiency that prior art exists, technical problem to be solved in the utility model is: for plastic-box packaging machine provides a kind of compact conformation, puts that bag is accurate, efficiency is high, realize the closing device of a kind of plastic-box packaging machine of automatic sealing function.

For realizing above-mentioned technical purpose, the technical solution of the utility model is: the closing device of plastic-box packaging machine, is arranged on the rear end of plastic-box packaging machine, comprises frame, clamping output unit; It is characterized in that: described frame is also provided with lifting table, hot sealing device, row's bagging apparatus; Described lifting table is made up of platform, platform lifting mechanism, is located at the front end of frame, and hot sealing device is located at the front end of lifting table and the top of correspondence thereof, and row's bagging apparatus is located at after platform.

Described lifting table, is connected on platform lifting mechanism, and the front end of platform arranges rubber tie plate or heating wire, and the rear portion of platform is provided with breach of stepping down.

As preferred technical scheme, described platform lifting mechanism, is arranged in frame, be made up of cylinder, guide rail, cylinder is arranged in frame, and cylinder rod is connected to the bottom of platform, the both sides of platform arrange two slide blocks respectively, arrange guide rail respectively bottom the frame that slide block is corresponding up and down.Platform can be driven along guide rail up-and-down movement when cylinder operation, for driving the rise of platform or moving down.Being the drop in order to reduce when packaging bag is fallen on platform during rise, is to make platform dodge returning of clamping manipulator during decline.When packaging bag exports by the clamping output unit of plastic-box packaging machine, platform lifting mechanism drives platform to rise, and makes the close with the height of clamping manipulator of platform above, to reduce drop, add area of contact and the friction force of large platform and packaging bag, the placement location of packaging bag is accurately put in place; When packaging bag is placed on after on platform by clamping manipulator, when returning for avoiding clamping manipulator, packaging bag is pushed away unrest, platform lifting mechanism makes platform move down a fragment position, dodges after clamping manipulator returns and rises.

As the another embodiment of platform lifting mechanism, described platform lifting mechanism is a kind of electronic slide unit, electronic slide unit is arranged in frame, the bottom surface of platform is connected on slide unit, slide unit leading screw or belt can be driven when slide unit electric machine rotation to make slide unit along slide unit track up-and-down movement, thus drive platform to rise or decline.

Described hot sealing device, utilizes the thermoplastic characteristics of plastic film exactly, directly heats at the sealing part of packaging bag and imposes mechanical pressure, makes it to melt to merge, and forms envelope line after cooling.Described hot sealing device is primarily of hot knife or heating wire, rubber tie plate, heat-sealing driver train formation.The lower end elasticity of described heat-sealing driver train connects hot knife or rubber tie plate, and the interaction of platform and heat-sealing driver train, imposes mechanical pressure to the aperture position of packaging bag and closed clamping, add heat sealing.

As preferred technical scheme, described hot sealing device is formed primarily of heating wire, elasticity dagger, heat conduction cloth, rubber tie plate, heat-sealing driver train.Insulcrete is inlayed in the front end of described platform, above insulcrete, heating wire is set, the two ends elasticity of heating wire is connected on elasticity dagger, elasticity dagger is arranged on the two ends of insulcrete, connection terminal is provided with below two elasticity daggers, connection terminal is by wire, switch and be connected power supply, on heating wire, cover heat conduction cloth; Above heating wire is corresponding, install heat-sealing driver train, the lower surface elastic of heat-sealing driver train connects rubber tie plate bracket, and rubber tie plate bracket is provided with rubber tie plate.Heat-sealing driver train promotion rubber tie plate moves down and is pressed on the heating wire above platform by the predetermined seal location of packaging bag, and heating wire electrified regulation makes the instantaneous thawing of envelope line position of packaging bag, forms sealing line after power-off cooling.The advantage of the present embodiment is: heating wire is without the need to preheating in advance, and structure is simple; Shortcoming is: heating wire easily blows.

As the another kind of embodiment of hot sealing device, described hot sealing device is made up of rubber tie plate, heat-sealing driver train, hot knife etc.Hot knife is provided with heating pipe, heat conduction cloth, thermocouple, temperature controller.At the installed in front rubber tie plate of described platform, connect hot knife at the lower surface elastic of heat-sealing driver train, the inside of hot knife loads heating pipe, installs thermocouple and be connected with temperature controller in the side of hot knife, below hot knife, cover heat conduction cloth.The advantage of the present embodiment is: the life-span of hot knife is long, but complex structure, must preheating be shifted to an earlier date during start.

As preferred technical scheme, described heat-seal driving device is a kind of electronic slide unit.Electronic slide unit is a kind of device driving slide unit leading screw that slide unit is pumped along slide unit track by slide unit motor, and market just can have been bought.Described hot knife or rubber tie plate bracket elasticity are connected on slide unit, thus drive rubber tie plate or hot knife to press down or lift.

As the another kind of embodiment of driver train, described heat-sealing driver train is by sealing crossbeam, cylinder, heat-sealing guide rod, guide rod seat, and spring, guide shaft are formed.Cylinder is arranged on the centre of heat-sealing crossbeam, and the both sides crossbeam of cylinder is slidably installed heat-sealing guide rod, and guide rod seat is installed in the lower end of heat-sealing guide rod and the lower end of cylinder rod, is connected hot knife or rubber tie plate bracket below guide rod seat with guide shaft with spring.

As preferred technical scheme, described hot sealing device is connected on the output bracket of clamping output unit, can be synchronous along track crank motion with the output bracket of clamping output unit.The advantage of the present embodiment is: during heat-sealing, the stroke of driver train is less, and sealing speed is fast, efficiency is high.

As the another kind of mounting means of hot sealing device, described hot sealing device is directly installed on methods, rack, during work hot sealing device not with clamping convey device along track crank motion, at clamping manipulator, packaging bag is transported to post heat-seal device on platform and descends pressure seal mouth again, after sealing, clamping manipulator returns again; Another kind of mode of operation puts down packaging bag at clamping manipulator to return post heat-seal device and descend pressure seal mouth again.The advantage of this embodiment is that the accuracy of locating is high; Shortcoming is that the stroke of cylinder is comparatively large, and sealing speed is slow, and control system is once et out of order can cause hot sealing device and clamping convey device collision phenomenon, must arrange mutual interlocking gear.

Described presser device, for being extruded before sealing by the gas inside packaging bag, and by packaging bag pressing, compacting, improves the planeness of packaging product and aesthetic measure, is further perfect to packaging quality.

Described presser device is made up of pressing plate, pressing plate driver train, the pressing plate of the connection above driver train of pressing plate, described pressing plate driver train is located at above hot sealing device frame below, also can be located on hot sealing device output bracket below, the presser device also crank motion thereupon when output bracket seesaws; Presser device also can be arranged on hot sealing device upper methods, rack below, be after clamping manipulator puts down packaging bag or clamping manipulator return after press down again.

As preferred technical scheme, described pressing plate driver train is made up of pressing plate cylinder, pressing plate guide rod, laminate floor beam, pressing plate cylinder is arranged on the centre of laminate floor beam, the both sides crossbeam of cylinder slides up and down respectively and arranges pressing plate guide rod, the lower end of the cylinder rod of pressing plate guide rod and pressing plate cylinder is connected to above pressing plate.

As the another kind of embodiment of presser device, described pressing plate driver train is a kind of by motor-driven electronic slide unit, be connected on slide unit above pressing plate, when slide unit driven by motor slide unit leading screw makes slide unit pump along slide unit track, pressing plate also moves down thereupon or lifts, electronic slide unit described in this programme and platform lifting mechanism and the slide unit sealing driver train are consistent, do not repeat them here.

Described row's bagging apparatus, for the packaging bag after sealing being discharged from platform, is convenient to the carrying out of next job procedure.

As preferred technical scheme, described row's bagging apparatus comprises a kind of folder bag pawl mechanism, is arranged on the rear end of pressing plate.Described Ya Dai pawl mechanism is formed by pressing a bag pawl, pressure bag rocking arm, the rotating shaft of pressure bag, pressure bag cylinder.The rotating shaft of pressure bag is arranged on the rear portion above of pressing plate, pressure bag rocking arm is installed in one end of pressure bag rotating shaft, pressure bag rocking arm connects pressure bag cylinder, in the middle bilateral symmetry of pressure bag rotating shaft, two folder bag pawls are installed, the position that folder bag pawl is corresponding on pressing plate arranges folder bag pawl and to step down breach, below folder bag pawl is corresponding the back-end location of supporting plate also the row's of setting bag to step down breach.When pressing bag cylinder to pull pressure bag rocking arm to make folder bag pawl swing through the rotating shaft of pressure bag, folder bag pawl can be stepped down through the row's bag on platform the bottom surface pushed down bottom breach packaging bag at pressing plate, the stop can avoiding lever is risen in the bottom that pressing plate lifts rear packaging bag thereupon, pressing plate with clamping output unit after move a segment distance after packaging bag is put down.

As another embodiment of row's bagging apparatus, described row's bagging apparatus is a kind of tape transport device, is made up of transmission shaft, belt pulley, conveying motor, drive axle seat etc.Article two, transmission shaft be arranged on platform middle part below and rear, the middle part of platform is symmetrical arranged multiple platform and steps down breach to rear end, belt pulley is provided with in platform transmission shaft position corresponding to breach of stepping down, two belt pulleys corresponding on two transmission shafts in front and back install load-transfer device respectively, belt pulley is also installed in one end of a transmission shaft wherein, and belt pulley is connected with conveying motor with belt.When the packaging bag after sealing declines with platform, the upper strata of many load-transfer devices can be exposed through the breach of stepping down of platform and lifted at the upper surface of platform on many load-transfer devices by the rear portion of packaging bag, carry electric machine rotation that load-transfer device is transmitted rearward afterwards, packaging bag is discharged.

A kind of embodiment that has of row's bagging apparatus is: row's bagging apparatus is a kind of manipulator, manipulator is located on the output bracket of clamping output unit, can with output bracket linear reciprocating motion in orbit, the bottom of packaging bag pinches by manipulator, packaging bag can be discharged in desired location when next job procedure carries out, manipulator described in the present embodiment is basically identical with the structure of the clamping manipulator of clamping output unit, can implement with reference to clamping manipulator.

Improve as to the one of clamping output unit, the present invention changes the gripper clamp of the clamping output unit described in documents 3 into a kind of Pneumatic clamping manipulator, described clamping manipulator energy folding 180 degree, both sides below the front end that clamping manipulator is arranged on output bracket, pushing away flap and pushing away flap of clamping manipulator and plastic-box packaging machine to be stepped down before and after breach and corresponding up and down, Pneumatic manipulator belongs to prior art and is widely used, and market can have been bought; Described output bracket is slidably arranged on slide shaft by slip cap, and two slide shafts are located at the both sides, rear end of frame; Exporting cylinder is arranged in the frame of described wrapping machine, the cylinder rod exporting cylinder is connected in the middle of the front side of output bracket, export cylinder operation time can driver output bracket along slide shaft crank motion, when output bracket moves to above, clamping manipulator is in picking bag position, the rubber tie plate of hot sealing device or hot knife corresponding up and down with the heating wire or rubber tie plate being located at platform front end, pressing plate and platform are corresponding up and down.

The present invention has the advantages such as structure is simple, working stability is reliable, package formation is attractive in appearance.

Accompanying drawing explanation

Fig. 1 is the structure principle chart of the utility model embodiment 1;

Fig. 2 is the right side view of Fig. 1;

Fig. 3 is the structural principle birds-eye view of embodiment 1 platform;

Fig. 4 is the structural principle right elevation of embodiment 1 hot sealing device;

Fig. 5, Fig. 6, Fig. 7, Fig. 8 are principle of work and the algorithm schematic diagram of embodiment 1;

Fig. 9 is the structure principle chart of embodiment 2 hot sealing device;

Figure 10 is the right elevation of Fig. 9;

Figure 11 is the platform lifting mechanism of embodiment 2, the structure principle chart of row's bagging apparatus;

Figure 12 is row's bagging apparatus birds-eye view of embodiment 2;

Figure 13 is the principle of work schematic diagram of embodiment 2;

In figure: 1--frame; 11-exports cylinder; 12-output bracket; 13-slip cap; 14-slide shaft; 15-clamping manipulator; 2-platform; 20--steps down breach; 21-platform air cylinder; 211-slide rail; 212-slide block; 22--slide unit; 221-slide unit frame; 222-slide unit track; 223--slide unit motor; 224-slide unit leading screw; 225-pressure pin; 30-hot knife; 301--heating pipe; 302--thermocouple; 303--heat conduction cloth; 31-rubber tie plate; 311--heating wire; 312--elasticity dagger; 313-connection terminal; 314 heating wire terminals; 315-insulcrete; 316--; 32-seals crossbeam; 320-slide unit; 321--cylinder; 322--guide shaft; 323-guide rod seat; 324-rubber plate bracket; 325-seals guide rod; 326-spring; 327-slide unit leading screw; 328-slide unit motor; 329--slide unit track; 40-folder bag pawl; 401--presses bag rotating shaft; 402-presses bag rocking arm; 403-shaft seat; 404-folder bag cylinder; 41-manipulator; 42-load-transfer device; 421-carries motor; 422-belt pulley; 423-transmission shaft; 424-belt; 425-drive axle seat; 5-pressing plate; 51-pressing plate cylinder; 52-pressing plate guide rod; 53-laminate floor beam; 54-folder bag pawl is stepped down breach; 6-packaging bag.

Detailed description of the invention

Embodiment 1: as shown in Figures 1 to 8, the front and back described in the application are with the order from left to right in scheming, and refer to the left side in figure before described.The closing device of described plastic-box packaging machine, is connected on plastic-box packaging machine, comprises the clamping output unit of plastic-box packaging machine.Improve as the one on prior art basis, described clamping output unit mainly comprises: frame 1, output cylinder 11, output bracket 12, slip cap 13, slide shaft 14, clamping manipulator 15.Article two, slide shaft 14 is located at the both sides, top of platform 2, and the two ends of slide shaft 14 are arranged on the rear and front end of frame 1; Every bar slide shaft 14 is installed respectively two slip caps 13, be arranged on below the rear and front end of output bracket 12 both sides on slip cap 13, make output bracket 12 through slip cap 13 energy front-rear reciprocation movement on slide shaft 14, below the both sides, front end of output bracket 12, two clamping manipulators 15 are installed, two clamping manipulators 15 are made to step down corresponding before and after breach with pushing away flap and pushing away flap on plastic-box packaging machine, in the middle of the front end of output bracket 12, connect the cylinder rod end exporting cylinder 11, export cylinder 11 and be arranged in frame.

At the lower front erecting stage cylinder 21 of frame 1, install four slide rails 211, slide block 212 installed respectively by slide rail 211 in the both sides of platform air cylinder 21, the both sides of platform 2 are arranged on four slide blocks 212.Insulcrete 315 is inlayed in the front end of platform 2, at the two ends of insulcrete, elasticity dagger 312 is installed respectively, at the two ends of heating wire 311, heating wire terminal 314 is installed, heating wire 311 is articulated on two elasticity daggers 312 by heating wire terminal 314, two elasticity daggers 312 by heating wire stretching on insulcrete 315, on heating wire 311, cover one deck heat conduction cloth 303, draw a wire respectively in the line face of two elasticity daggers 312 and be connected with temperature controller.

The output bracket 12 below of clamping manipulator 15 installs heat-sealing crossbeam 32, in the centre of heat-sealing crossbeam 32, electronic slide unit 320 is installed up and down, slide unit 320 is installed; At the both sides, two ends of guide rod seat 323 difference mounting spring 326 and guide shaft 322, rubber tie plate bracket 324 elasticity is connected on guide rod seat 413.When the cylinder rod exporting cylinder 11 is in retracted mode, clamping manipulator 15 should be made to be in picking bag position, the rubber tie plate 31 be arranged on below the electronic slide unit 320 on output bracket 12 is corresponding with the heating wire about 311 be arranged on platform 2 front end, is arranged on the pressing plate 5 on output bracket 12 corresponding up and down with the heating wire 311 of platform 2 below; After the cylinder rod exporting cylinder 11 stretches out, the predetermined seal location of the packaging bag 6 that clamping manipulator 15 clamps should be corresponding with heating wire about 311.

Presser device: install laminate floor beam 53 on the output bracket 12 below of electronic slide unit 320, in the middle of laminate floor beam 53, pressing plate cylinder 51 is installed, on the both sides laminate floor beam 53 of pressing plate cylinder 51, symmetry is slidably installed two pressing plate guide rods 52, and pressing plate 5 is installed in the lower end of pressing plate guide rod 52 and pressing plate cylinder 51.Pressing plate 5 is exactly one piece of flat board up and down corresponding with packaging bag, arranges two folder bag pawls to step down breach 55 in the both sides, rear side centre of pressing plate 5.

Row's bagging apparatus: correspondence position installs two shaft seats 403 on two folder bag pawls of pressing plate 5 step down breach 55, two shaft seats 403 rotate installation one pressure bag rotating shaft 401, in pressure bag rotating shaft 401 and folder bag pawl position corresponding to breach about 55 of stepping down, folder bag pawl 40 is installed respectively, in one end of pressure bag rotating shaft 401, pressure bag Rocker arm 4 02 is installed, pressure bag rocking arm connects pressure bag cylinder 404, and the rear end of pressure bag cylinder 404 is arranged on above pressing plate 5.

Specific works process is as follows: under initial condition, clamping manipulator 15 is in before platform 2, wait for that plastic bag to be encased in packaging bag and to deliver in clamping manipulator 15 by the charging apparatus of plastic-box packaging machine, the cylinder rod of platform air cylinder 21 stretches out, platform 2 is in angry state, and the rubber tie plate 31 of hot sealing device and heat-seal driving device are in corresponding with being arranged on heating wire about 311 on platform 2.After the two bottom sides of packaging bag 6 is clamped by clamping manipulator 15, output cylinder 11 is opened and output bracket 12 is moved backward along slide shaft 13, unclamps packaging bag 6 is placed on (as shown in Figure 5) on platform 2 when moving to the correspondence position of the heating wire 311 on platform 3 after clamping manipulator 15 is by the predetermined seal location of packaging bag 6; Afterwards, platform air cylinder 21 is opened and is driven platform 2 to move down, and afterwards, export cylinder 11 and discharge, clamping manipulator 15 turns back to initial position with output bracket 12, and now hot sealing device, presser device also return (as shown in Figure 6) with output bracket 12; Afterwards, platform air cylinder 21 release platform 2 rises to initial position, and pressing plate 5 presses to the packaging bag 6 on platform 2 under the driving of pressing plate cylinder 51, is discharged by the gas in packaging bag and flattens; Then slide unit electric machine rotation makes to be arranged on the rubber tie plate 31 on slide unit 320 and is pressed on the heating wire 311 above platform 2 by the predetermined seal location of packaging bag 6, heating wire electrified regulation makes sealing part melt involution then heating wire 311 power-off, then presses bag cylinder 404 to open to pull pressure bag Rocker arm 4 02 to make folder bag pawl 40 two bottom sides of packaging bag 6 be clamped rear end, bottom surface (as shown in Figure 7) at pressing plate 5; Afterwards, slide unit 320 drives rubber tie plate 31 to lift reset, and pressing plate cylinder 51 discharges, and the two bottom sides that pressing plate 5 and folder bag pawl 40 clamp packaging bag is also lifted thereupon.Instantly when one action program is carried out, namely clamping manipulator 15 clamps another packaging bag 6 when moving backward to stop, folder bag pawl 40, pressing plate 5 and clamp upper one sealing after packaging bag 6 with moving to after platform 2 after output bracket, at this moment bag cylinder 404 is pressed to discharge, folder bag pawl 40 resets and unclamps, and packaging bag 6 is discharged (as shown in Figure 8).

Embodiment 2:

The difference of the present embodiment and embodiment 1 is: platform lifting mechanism is a kind of electronic slide unit 22, hot sealing device is made up of hot knife 30, rubber tie plate 31, heat-sealing driver train, hot sealing device and presser device are directly installed on the top of frame 1, and hot sealing device and presser device be not with output bracket crank motion; Row's bagging apparatus is made up of load-transfer device 42, belt pulley 422, transmission shaft 423, conveying motor 421 etc.

Below platform 2, frame is installed electronic slide unit 22, electronic slide unit 22 is made up of slide unit frame 221, slide unit track 222, slide unit motor 223, slide unit leading screw 224, and the electric sliding relatives of Taiwan compatriots living on the Mainland, in prior art, market can have been bought.Slide unit frame 221 is arranged in frame 1, and two pressure pins 225 installed by the slide unit 22 of electronic slide unit, and the upper end erecting stage 2 of slide unit pressure pin 225, can drive platform 2 to rise or decline when slide unit motor 223 rotates.

Heat-sealing driver train is made up of cylinder 321, heat-sealing guide rod 325, heat-sealing crossbeam 32, guide rod seat 323.In the middle of heat-sealing crossbeam 32, cylinder 321 is installed, the both sides crossbeam of cylinder 321 is slidably installed two heat-sealing guide rods 325, the lower end of guide rod and the lever of cylinder are arranged on guide rod seat 323, hot knife 30 is connected with 4 springs 326 with 4 guide shaft 322 elasticity below guide rod seat 323, in the middle of hot knife 30, heating pipe 301 is installed, in the side of hot knife, thermocouple 302 is installed, below hot knife, cover heat conduction cloth 303, heating pipe 301 is connected with power supply, temperature controller with thermocouple 302 wire.Rubber tie plate 31 is inlayed in the position that the front end of platform 2 is corresponding with hot knife about 30; Heat-sealing crossbeam 32 is arranged on the top of frame 1.

Above the frame below of heat-sealing crossbeam 32, laminate floor beam 53 is installed, in the middle of laminate floor beam 53, pressing plate cylinder 51 is installed, the both sides laminate floor beam 53 of pressing plate cylinder 51 is slidably installed the lower end of two pressing plate guide rods, 52, two pressing plate guide rods 52 and the cylinder rod end of pressing plate cylinder 51 be arranged on pressing plate 5 above in the middle of.

Below the middle part of platform 2 and rear two transmission shafts 423 are set, transmission shaft is arranged in frame by drive axle seat 425; At the rear portion of platform 2, breach 20 of stepping down is set, the transmission shaft that breach about 20 of stepping down on platform is corresponding installs belt pulley 422 respectively, load-transfer device 42 is installed respectively often organizing on former and later two belt pulleys, centre one side frame of two transmission shafts 423 is installed conveying motor 421, belt pulley is installed in one end of conveying motor 421 and wherein a transmission shaft, and belt pulley and motor pulley install belt 424.

Specific works process is as follows:

After clamping manipulator 15 clamps the two bottom sides of packaging bag 6, export cylinder 11 open driver output bracket 12 and move backward, when the predetermined seal location of packaging bag 6 is in the position corresponding with the rubber tie plate 31 on platform 2, clamping manipulator 15 discharges and unclamps, and packaging bag 6 is placed on platform 2.Afterwards, pressing plate cylinder 51 is opened and is driven pressing plate 5 to move down and the packaging bag 6 be placed on platform 2 flattened, then cylinder 321 open drive leader seat 323, hot knife 30 move down the seal location of packaging bag 6 is pressed on platform 2 front end rubber tie plate 31 on, make the seal location heating and melting involution (as shown in figure 11) of packaging bag 6; Exhaust hood 321 discharge hot knife 30 and lift, pressing plate cylinder 51 discharges pressing plate 5 and lifts, and slide unit motor 223 rotating drive slide unit leading screw 224 rotates, and slide unit 22 is moved down along slide unit track 222, makes pressure pin 225 pull platform 2 to decline.The decline of platform 2, the breach 20 of stepping down making the upper strata of load-transfer device 42 pass platform 2 exposes the surface of platform 2, makes the rear portion of packaging bag 6 be on load-transfer device 42, and at this moment carry motor 421 to rotate, packaging bag is transferred away.Export cylinder 11 to discharge when carrying motor 421 to rotate, clamping manipulator 15 turns back to initial position with output bracket 12, and afterwards, platform rises to elemental height.

Claims (6)

1. the closing device of plastic-box packaging machine, comprises frame, clamping output unit, it is characterized in that: in described frame, be also provided with lifting table, hot sealing device, row's bagging apparatus; Described lifting table is made up of platform, platform lifting mechanism, is located at the front end of frame, and described hot sealing device is located at the front end of platform and the top of correspondence thereof, and described row's bagging apparatus is located at after platform.

2. the closing device of plastic-box packaging machine according to claim 1, is characterized in that: described platform lifting mechanism is made up of cylinder, slide rail, slide block.

3. the closing device of plastic-box packaging machine according to claim 1, is characterized in that: described platform is connected on lifting platform driver train, and the rear portion of platform is provided with breach of stepping down.

4. the closing device of plastic-box packaging machine according to claim 1, is characterized in that: described hot sealing device is formed primarily of heating wire, rubber tie plate, heat conduction cloth, heat-sealing driver train.

5. the closing device of plastic-box packaging machine according to claim 1, is characterized in that: be also provided with presser device after described hot sealing device.

6. the closing device of plastic-box packaging machine according to claim 1, is characterized in that: described clamping output unit is made up of cylinder, slide shaft, slip cap, output bracket, clamping manipulator, is located at the top of platform.