CN111547311A - Three-dimensional wrapping machine - Google Patents

Abstract

The invention discloses a three-dimensional wrapping machine which comprises a machine frame, a film feeding mechanism, a wrapping mechanism and a side sealing mechanism, wherein the feeding mechanism comprises a feeding part, the tail end of the feeding part is provided with a push plate which can lift up and down, the wrapping mechanism is arranged above the feeding part, the wrapping mechanism comprises a main body folding device and a side face folding device, the side sealing mechanism comprises a turnover seat which can swing up and down, a left heat sealing part and a right heat sealing part which are arranged on the turnover seat, the side end of the turnover seat is hinged with the machine frame, the film feeding mechanism comprises a traction device, a film cutting device and a positioning film feeding device, the traction device and the film cutting device are arranged below the turnover seat, and the positioning film feeding device is arranged between the main body folding device and the feeding part. The invention has compact structure, reasonable design, small volume of the whole machine, convenient equipment arrangement, compact and loose wrapping and good wrapping quality.

Description

Three-dimensional wrapping machine

Technical Field

The invention relates to an improved three-dimensional wrapping machine which is used for packaging box materials such as medicine boxes, cigarette boxes and the like.

Background

The existing three-dimensional wrapping machine has several problems: 1. the wrapping quality is poor, the packaging film and materials are too loose, the appearance is affected, and the packaging film is easy to damage; 2. the volume is large and the cost is high; 3. the material is detained at the heat-seal station, and the material is heated for a long time, can influence product quality, can cause the product to deteriorate even, especially medicine, food class product.

Disclosure of Invention

In view of the technical problems in the background art, the technical problem to be solved by the invention is to provide a three-dimensional wrapping machine with reasonable structural design and good wrapping quality.

In order to solve the technical problems, the invention adopts the following technical scheme: the three-dimensional wrapping machine comprises a machine frame, a film feeding mechanism, a wrapping mechanism and a side sealing mechanism, wherein the side sealing mechanism is arranged in front of the wrapping mechanism, the three-dimensional wrapping machine is characterized in that the feeding mechanism comprises a feeding part, the tail end of the feeding part is provided with a push plate which can be lifted up and down, the wrapping mechanism is arranged above the feeding part, the wrapping mechanism comprises a main body folding device and a side surface folding device, the side sealing mechanism comprises a vertically-swinging overturning seat, a left heat sealing part and a right heat sealing part which are arranged on the overturning seat, the side end of the overturning seat is hinged with the machine frame, a side sealing channel is arranged between the left heat sealing part and the right heat sealing part, the side sealing channel is connected with a workbench of the side surface folding device, the film feeding mechanism comprises a traction device, a film cutting device and a positioning film feeding device, and the traction device and the film cutting device are arranged below the overturning seat, the positioning film feeding device is arranged between the main body folding device and the feeding part.

The turnover seat comprises a left support plate, a right support plate and a cross beam arranged on the left support plate and the right support plate, a sliding seat arranged in a sliding manner is arranged on the cross beam, and the right heat-sealing component is arranged on the sliding seat; the turnover seat further comprises a turnover plate, the turnover plate is hinged to the rack, a longitudinal guide rail is arranged on the turnover plate, and the left support plate is arranged on the longitudinal guide rail in a sliding mode.

The positioning film feeding device comprises an air suction belt, the air suction belt comprises a left air suction belt and a right air suction belt, and two ends of the left air suction belt and the right air suction belt are provided with film feeding auxiliary components; the film feeding auxiliary component comprises a pressing wheel group matched with an air suction belt.

The feeding mechanism further comprises a feeding part, the feeding part comprises a conveying belt, and the conveying belt is horizontally arranged; the feeding component comprises a left conveying belt and a right conveying belt, the left conveying belt and the right conveying belt are vertically arranged, a clamping and conveying channel is arranged between the left conveying belt and the right conveying belt, the rear end of the clamping and conveying channel is connected with the conveying belts, and a positioning baffle is arranged at the front end of the clamping and conveying channel; the frame is provided with a stop block which enters and exits the clamping and conveying channel from the lower part of the clamping and conveying channel, and the stop block is connected with a lifting component which drives the stop block to lift up and down or connected with a swinging component which drives the stop block to swing up and down.

The feeding component also comprises a material supporting part, and the material supporting part is arranged below the left conveying belt and the right conveying belt; an in-place sensor is arranged on the positioning baffle; a material storage sensor is arranged behind the in-place sensor; the discharge end of the conveying belt is provided with a linkage sensor, and the in-place sensor, the material storage sensor, the linkage sensor, the feeding part and the feeding part are all connected with an electric controller.

The conveying belt is provided with two side baffles, namely a left side baffle and a right side baffle, the side baffles are longitudinally arranged, the two side baffles relatively transversely move, and the left conveying belt and the right conveying belt relatively transversely move; a limiting baffle is arranged behind the positioning baffle, and a conveying channel is formed between the positioning baffle and the limiting baffle; the limiting baffle is arranged on a supporting rod which moves left and right, and the supporting rod is arranged on an adjusting seat which can lift up and down.

The main body folding device comprises a positioning part, a front folding part, a rear folding part and a bottom surface folding part, wherein the positioning part is arranged above the front folding part and the rear folding part, the positioning part comprises an upper baffle and a rear push plate moving forwards and backwards, the upper baffle extends forwards to the upper part of the upper and lower folding parts, the front and rear folding parts comprise a front baffle and a rear baffle, and the bottom surface folding part comprises a supporting plate moving forwards and backwards; the side folding device is including the side part of inserting and folding part from top to bottom, folding part sets up the place ahead of folding part in the front and back, the side part of inserting is including the back picture peg of preceding picture peg and back-and-forth movement, preceding picture peg and back picture peg all are provided with about two, the back picture peg sets up the both sides in back push pedal, folding part is including last guide way and lower guide way from top to bottom, go up the guide way and set up the top at the workstation with lower guide way.

A bottom sealing device is arranged below the front inserting plate, and the bottom sealing device comprises a heat sealing die which can be lifted up and down; the rear inserting plate is hinged with the mounting seat, and the rear end of the rear inserting plate is provided with an acting force which enables the rear inserting plate to incline towards the rear pushing plate.

The distance between the front baffle and the rear baffle is matched with the length of the wrapping material, and the rear baffle can move back and forth relative to the front baffle; the positioning component also comprises a rear positioning piece which is vertically arranged on the rear baffle plate, and the supporting plate is provided with a wire slot for the rear positioning piece to pass through; the rear push plate is arranged on the movable seat; the upper guide groove and the lower guide groove mainly comprise an upper guide plate, a middle plate and a lower guide plate, the upper guide plate and the middle plate form the upper guide groove, and the lower guide plate and the middle plate form the lower guide groove.

The side seal channel is divided into a heat seal part and a shaping part, the left heat seal part and the right heat seal part respectively comprise a driving wheel, a driving belt arranged on the driving wheel, and a heating assembly and a buffer shaping assembly which are arranged in the driving belt, the driving belt is vertically arranged, and the heating assembly is arranged behind the buffer shaping assembly.

The bottom end of the side seal channel is provided with a bottom conveying component; the bottom conveying component comprises a left conveying belt and a right conveying belt which are horizontally arranged, and the left conveying belt and the right conveying belt are synchronous with the conveying belt; the heating component comprises a heating plate, and the heating plate is attached to the transmission belt; the buffer shaping assembly comprises an elastic shaping sheet, and the distance between the shaping part of the side sealing channel and the heat sealing part is smaller; the heating assembly further comprises a spring piece, and the heating plate is connected with the spring piece.

The transmission of the film feeding mechanism and the wrapping mechanism is driven by a servo motor, and the servo motor is electrically connected with an electric controller.

The invention has compact structure, reasonable design, small volume of the whole machine, convenient equipment arrangement, compact and loose wrapping and good wrapping quality, can be adjusted according to the specification of materials, is suitable for packaging materials without specification, does not influence the product quality in a packaging box, and is suitable for packaging used products such as cigarettes, medicines, foods and the like.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic view of the film feeding mechanism of the present invention.

FIG. 3 is a schematic view of the film cutting apparatus of the present invention 1.

FIG. 4 is a schematic view of the film cutting apparatus of the present invention, FIG. 2.

FIG. 5 is a schematic view of a positioning film feeding apparatus according to the present invention.

FIG. 6 is an enlarged view of FIG. 5A of the present invention.

Fig. 7 is a schematic view of the feed mechanism of the present invention.

Fig. 8 is a partial schematic view 1 of the feed mechanism of the present invention.

Fig. 9 is a partial schematic view 2 of the feed mechanism of the present invention.

Fig. 10 is a schematic view of a wrapping mechanism of the present invention.

Fig. 11 is a partial schematic view of a wrapping mechanism of the present invention.

FIG. 12 is a schematic view of a side insert of the present invention.

Fig. 13 is a top view of the side insert member of the present invention prior to side insertion.

FIG. 14 is a top view of the side insert member of the present invention during side insertion.

FIG. 15 is a schematic view of the edge dam of the present invention.

FIG. 16 is a top view of the edge dam of the present invention.

Fig. 17 is a schematic view of the roll-over stand of the present invention.

Fig. 18 shows the horizontal state of the material.

Fig. 19 shows a material side standing state.

Detailed Description

The following describes details and operational principles of embodiments and examples of the present invention with reference to the drawings. The three-dimensional wrapping machine comprises a machine frame 1, a film feeding mechanism 2, a feeding mechanism 3, a wrapping mechanism 4 and a side sealing mechanism 5, wherein the side sealing mechanism 5 is arranged in front of the wrapping mechanism 4, the feeding mechanism comprises a feeding part, the tail end of the feeding part is provided with a push plate 47 which can lift up and down, and the lift of the push plate can adopt an air cylinder or a lead screw mechanism and the like; wrapping mechanism 4 sets up the top at the pay-off part, wrapping mechanism 4 is including main part folding device and side folding device, side seal mechanism 5 is including luffing motion's upset seat 102 and install left heat-seal part 100 and right heat-seal part 101 on the upset seat, the side of upset seat is articulated with frame 1, side seal passageway 110 has between left side heat-seal part and the right heat-seal part, the side seal passageway links up with side folding device's workstation 91, send membrane mechanism 2 including draw gear, cut membrane device and location to send the membrane device, draw gear with cut the below that the membrane device set up at upset seat 102, the location is sent the membrane device and is set up between main part folding device and pay-off part. The material of the invention is conveyed to the push plate from back to front, and the packaging film is conveyed to the positioning film conveying device from front to back, namely a packaging film station, the packaging film station is arranged between the feeding part and the main body folding device, the packaging film is arranged above the material, the push plate 47 pushes the material to move upwards, the material and the packaging film enter the wrapping station together for main body folding and side face folding, and then enter the side sealing station, and the left and right heat sealing parts heat seal the film wrapped with the material, thus completing the wrapping operation; the film feeding mechanism is compact in structure and reasonable in design, so that the whole machine is small in size and convenient to transport and place, when the film feeding mechanism needs maintenance or film replacement, the overturning seat 102 is overturned upwards, the traction device and the film cutting device of the film feeding mechanism are exposed outside, and operation of workers is facilitated.

The structure of each mechanism is described in detail below:

referring to fig. 2-6, the traction device of the film feeding mechanism feeds the packaging film to the film cutting station and the packaging film station; the traction device comprises a discharging shaft 29 and feeding rollers 16 and 17, the material roll is arranged on the discharging shaft, the discharging shaft 29 can adopt an air expansion shaft, the material roll can be fixed, the film cutting device comprises a cutter 15, the cutter can adopt straight cutting or rolling cutting, the straight cutting is that the cutter moves up and down, the rolling cutting, i.e. the cutter, is arranged on the roller, the roller rotates to drive the cutter to rotate, in the embodiment, the film cutting device 11 comprises a rotary cutter 15 and a fixed cutter 21 matched with the rotary cutter, the fixed cutter is connected with the feed end of the air suction belt 22 of the positioning film feeding device, the fixed cutter is arranged on a fixed cutter holder, the fixed cutter holder is arranged on the machine frame, the rotary cutter 15 is arranged on the cutter holder 14, the cutter holder is connected with a power source for driving the cutter holder to rotate, the power source is a motor, the motor drives the cutter holder 14 to rotate, and the rotary cutter 15 is matched with the fixed cutter 21 to cut the coil stock into unit packaging films; the rotary cutter is provided with the position sensor, the power source and the position sensor are connected with the electric controller, namely, after the rotary cutter finishes cutting, the motor can drive the rotary cutter to rotate to a set position, namely, when the position sensor detects the rotary cutter, the electric controller sends an instruction to the motor, the motor stops rotating until the next cutting, the motor is started again, the rotary cutter waits for the cutting operation at a waiting station, and therefore the cutting accuracy is improved, and the cutting efficiency is also improved.

The positioning film feeding device 10 comprises an air suction belt 22, the air suction belt 22 comprises a left air suction belt and a right air suction belt, and two ends of the left air suction belt and the right air suction belt are provided with film feeding auxiliary components; the front end of coil stock is sent to the feed end of left and right belt that induced drafts to the feed roll, send the supplementary front end of membrane auxiliary component to get into smoothly on the left and right belt that induced drafts this moment, prevent that the packaging film from appearing skidding in the transportation process of no vacuum state, when the front end of coil stock gets into on the left and right belt that induced drafts, film cutting device 11 cuts the coil stock into unit packaging film, and left and right belt that induced drafts carries forward the unit packaging film after will cutting to the packaging film station, and the front end and the rear end of packaging film are fixed a position by sending the supplementary part of membrane, ensure that the packaging film is stable to get into and wraps up in the package, and after the packaging film got into next process, the coil stock continued to be carried forward, and the coil stock front end got into on the belt that induced drafts.

The film feeding auxiliary component comprises a pressing wheel group 23 matched with an air suction belt, the pressing wheel group is provided with a plurality of groups, and the pressing wheel group is arranged on a support 24. The pinch roller group comprises pinch rollers 28; the bracket 24 is provided with an adjusting part for adjusting the pressing force of the pressing wheel, so that the pressing effect of the pressing wheel 28 and the air suction belt 22 is optimal; in order to reduce the cost, in this embodiment, see fig. 6, the adjusting part includes a swing arm 27, an adjusting bolt 25 and a torsion spring 26, a mounting hole is formed in the swing arm 27, the adjusting bolt 25 penetrates through the mounting hole to be in threaded connection with the support 24, the pressing wheel 28 is mounted on the swing arm 27, one end of the torsion spring 26 is connected with the adjusting bolt, the other end of the torsion spring is connected with the support, the elastic force of the torsion spring enables the pressing wheel 28 to press the air suction belt 22, if the pressure is too small, the adjusting bolt is rotated clockwise, the elastic force of the torsion spring acting on the swing arm is increased, the pressing force of the pressing wheel is increased, and otherwise, when the pressure is too large, the adjusting bolt is rotated counterclockwise; the press wheel group is provided with a plurality of groups which can be independently adjusted.

The feeding roller comprises a driving roller 17 and a driven roller 16, the driven roller 16 can move up and down relative to the driving roller in order to facilitate film threading, as shown in figures 3 and 4, the driven roller 16 moves up when the film is threaded, a gap is formed between the driven roller and the driving roller, and the driven roller 16 moves down to be pressed with the driving roller 17 when the film is fed. The lift of driven roll 16 can adopt the cylinder drive, and in this embodiment, driven roll 16 installs the one end at pendulum rod 19, the other end of pendulum rod is articulated with frame 1, pendulum rod 19 is connected with the power part of drive luffing motion, the power part is the cylinder, perhaps the power part is including cam 20, pendulum rod 19 is arranged in on the cam, cam 20 is connected with its pivoted motor of drive, in order to practice thrift the cost, cam 20 is connected with a pivot 18, install handle 13 on the pivot 18, the manual drive handle makes pivot 18 rotate, drives cam 20 promptly for the pendulum rod with cam complex is at any time luffing motion, then the drive driven roll 16 shifts up or moves down.

Referring to fig. 7-9, the feeding mechanism further comprises a feeding component, the feeding component comprises a conveying belt 30, the conveying belt is horizontally arranged, the feeding component comprises a left conveying belt 31 and a right conveying belt, the left conveying belt and the right conveying belt are vertically arranged, a clamping channel 32 is arranged between the left conveying belt and the right conveying belt, the clamping channel is connected with the conveying belt 30, a stop block 52 which enters and exits from the lower part of the clamping channel is arranged on the rack 1, the stop block is connected with a lifting component which drives the stop block to lift up and down or connected with a swinging component which drives the stop block to swing up and down, the material is placed on the conveying belt 30 in a horizontal state, the conveying belt sends the material into the clamping channel 32, then the left conveying belt and the right conveying belt convey the material forwards, if the material needs to be stood on the side, the stop block 52 enters the clamping channel 32, and the lower end, the power of the left and right conveyor belts makes the material rotate forward with the stopping point as the center until the material is separated from the stop block 32, at the moment, the material is vertically arranged, and then the material is continuously conveyed forward by the left and right conveyor belts; if the material is in a horizontal state for packaging, the stop block exits from the clamping and conveying channel, and the material is directly conveyed to the push plate by the left and right conveying belts after entering the clamping and conveying channel, so that the multifunctional packaging machine is multipurpose.

In order to make the material conveying more stable and avoid the material from separating from the clamping and conveying channel 32, the feeding part further comprises a material supporting part, not shown in the figure, the material supporting part is arranged below the left conveying belt 31 and the right conveying belt, and the material supporting part can support the material and avoid the material from falling; the material supporting part is a supporting rod or a supporting plate, and the friction force of the supporting rod is small, so that the effect is better.

The tail ends of the left conveying belt 31 and the right conveying belt are provided with positioning baffles 50, and when the materials are conveyed to the tail ends by the left conveying belt and the right conveying belt, the positioning baffles 50 block the materials to enable the materials to be accumulated; the push plate is arranged between the material supporting part and the positioning baffle 50, the push plate is in an inverted 7 shape, see the attached figure 9, the push plate 47 can be divided into an upper push plate 52 and a baffle 53, after the push plate moves upwards, the baffle moves upwards along with the push plate to block the materials sent by the left and right conveying belts until the push plate moves downwards to reset, the baffle moves downwards to the lower part of the clamping conveying channel, and the materials are continuously conveyed forwards to the upper push plate 52; a limiting baffle plate 48 is arranged behind the positioning baffle plate 50, the limiting baffle plate is higher than the height of the material, a conveying channel 49 is formed between the positioning baffle plate and the limiting baffle plate, and the positioning baffle plate, the limiting baffle plate and the left and right conveying belts form a conveying space with closed four sides, so that the pushing plate 47 pushes the material to move upwards in the conveying space, and the stability of moving upwards is improved; the material specification is different, the material conveying device can adapt to the conveying of different materials, the limiting baffle 48 is arranged on a supporting rod 43 which moves back and forth, the supporting rod is arranged on an adjusting seat 40 which can lift up and down, so that the height of the limiting baffle 48 and the width of a conveying channel 49 can be adjusted, see the attached drawing 9, a first mounting groove 42 which is longitudinally arranged is formed in the supporting rod 43, a guide seat 39 which is vertically arranged is arranged on the rack, a second mounting groove 38 which is vertically arranged is formed in the guide seat, the adjusting seat 40 is slidably arranged on the supporting rod and the guide seat and is arranged on the supporting rod and the guide seat through bolts, namely, a first groove 41 which is matched with the supporting rod is formed in the left end of the adjusting seat, a second groove which is matched with the guide seat is formed in the right end of the adjusting seat, the bolts pass through the second mounting groove to be connected with nuts, the, the support rod is mounted on the adjusting seat.

An in-place sensor 50 is mounted on the positioning baffle, a material storage sensor 45 is arranged behind the in-place sensor, when the material storage sensor detects the accumulated materials, the situation that sufficient materials are accumulated in the clamping and conveying channel 32 is indicated, and at the moment, the materials in the clamping and conveying channel can be conveyed to the next procedure; the in-place sensor 50, the material storage sensor 45, the feeding part and the part for driving the push plate to lift are all connected with an electric controller; the quantity of stored materials can be adjusted according to requirements, namely the position of the stored material sensor 45 is adjusted, the stored material sensor is slidably mounted on a mounting seat 46, the mounting seat is mounted on the rack 1, the material storage in a clamping and conveying channel is controlled by moving the position of the stored material sensor 45, the sliding mounting can adopt a mechanism with a linear guide rail and a sliding seat matched, a guide groove can also be formed in the mounting seat, and the stored material sensor moves along the guide groove; when the materials reach the positioning baffle 51, the in-place sensor 50 senses the materials and sends information to the electric controller, when the materials are stacked, the material storage sensor 45 sends information to the electric controller when detecting that the materials are stacked, after the electric controller receives the information of the materials and the material storage sensor, the electric controller sends an instruction to the feeding part, the push plate 47 moves upwards to send the materials to the wrapping station, the baffle 53 blocks the materials sent from the rear part at the moment, then the push plate 47 moves downwards and resets, the baffle moves to the lower part of the clamping and conveying channel, and the left and right conveying belts send the materials to the push plate 47, so that automatic control is realized; the discharge end of the conveying belt 30 is provided with a linkage sensor 44, the linkage sensor is also connected with an electric controller, when the linkage sensor 44 detects stacked materials, the clamping and conveying passage 32 is indicated to be filled with the materials, the linkage sensor sends information to the electric controller, the electric controller improves the running speed of the equipment, including the speed of the push plate and the left and right conveying belts, and the equipment returns to the set speed to run after the materials in the clamping and conveying passage are sent out and the linkage sensor does not detect the stacked materials.

The conveying belt is provided with two side baffles, namely a left side baffle 33 and a right side baffle 34, the side baffles are longitudinally arranged and relatively transversely move, and the left conveying belt 31 and the right conveying belt relatively transversely move; in the embodiment, a cross beam 35 is arranged above the conveying belt, a mounting groove 37 is transversely formed in the cross beam, transversely-arranged mounting holes are formed in the left side baffle 33 and the right side baffle 34, locking holes 36 communicated with the mounting groove are formed in the upper portion of the mounting holes, the cross beam 35 is mounted on the rack 1, the left baffle and the right baffle are slidably arranged on the cross beam 35, and after the positions of the left baffle and the right baffle are determined, locking bolts penetrate through the locking holes 36 and the mounting groove to be connected with nuts, so that the positions of the left baffle and the right baffle are fixed; the left conveying belt and the right conveying belt are respectively arranged on a left memorial archway and a right memorial archway, a left air suction belt and a right air suction belt of the positioning film conveying device are respectively arranged on a left air suction platform and a right air suction platform in a transmission mode, the left air suction platform and the right air suction platform are also respectively arranged on the left memorial archway and the right memorial archway, the right memorial archway is connected with a transmission part for driving the right memorial archway to transversely move, the transmission part comprises a lead screw mechanism and a guide rod, namely the lead screw and the guide rod are transversely arranged on a rack, the right memorial archway is connected with a nut, a guide hole matched with the guide rod is formed in the right memorial archway, the left memorial archway can be; the two modes of regulation can be shared and selected according to requirements.

The lifting component for driving the stop block to lift can adopt an air cylinder or a screw rod mechanism, the lifting component can be installed on the rack or on the material supporting part, the lifting component is a lifting air cylinder, the lifting air cylinder is installed on the material supporting part, a piston rod of the lifting air cylinder is connected with the stop block, and the stop block is driven to lift by the lifting air cylinder. If the stop block is in a swinging mode, the stop block is hinged with the material supporting part, the swinging part is an air cylinder, the air cylinder is arranged on the material supporting part, and one end of the stop block is connected with the air cylinder, namely the air cylinder drives the stop block to swing up and down; when the material is horizontally wrapped, the stop block is arranged below the clamping and conveying channel, and the material is normally conveyed to the push plate in the clamping and conveying channel; when the materials need to be laterally and vertically wrapped, the lifting component drives the stop block to enter the clamping and conveying channel, the materials enter the clamping and conveying channel in a horizontal mode, the left conveying belt and the right conveying belt drive the materials to move forwards, the stop block blocks the lower end of the materials, forward force of the left conveying belt and the right conveying belt acts on the two sides of the materials enables the materials to turn forwards by taking the blocking parts as centers until the materials are not blocked by the stop block, the materials are in a laterally standing state at the moment, and the left conveying belt and the right conveying belt continue to convey the materials to the push plate.

The invention can also fold multi-layer stacked materials, see figure 8, a backing plate 54 is arranged between the left and right air suction platforms and the left and right conveying belts, the backing plate is arranged on the left and right air suction platforms, a material stacking component is arranged below the backing plate, the material stacking component comprises a supporting plate 55, the supporting plate is arranged on the frame 1 in a swinging way and can be driven to swing through a cylinder, or one side of the supporting plate is hinged with the frame, a torsional spring for opening the supporting plate is arranged at the hinged position, when the pushing plate pushes the materials upwards, the materials push the supporting plate, the pushing force overcomes the elasticity of the torsional spring to make the supporting plate swing upwards, the bottom of the supporting plate is vertically arranged, after the materials pass through the mounting cavity, the torsional spring makes the supporting plate swing downwards in an opening state to support the materials above, at the moment, the pushing plate moves downwards again to receive the materials, the next, so realize piling up, then the push pedal promotes the material of piling up and moves upward, wraps up in the station until getting into.

Referring to fig. 10-14, the main body folding device of the wrapping mechanism includes a positioning component, a front and rear folding component and a bottom folding component, the positioning component includes an upper baffle 77 and a rear push plate 87 moving forward and backward, the upper baffle is disposed above the front and rear folding components, the upper baffle extends forward to the upper side of the side folding, and the rear push plate can push the material to enter the side folding station; the front and rear folding parts comprise a front baffle 84 and a rear baffle 82, the distance between the front baffle and the rear baffle is matched with the length of the wrapping material, a front and rear folding channel is formed, the front and rear folding channel is a front and rear folding station, and the wrapping station comprises a front and rear folding station, a bottom folding station and a side folding station; a packaging film station 83 is arranged below the front and rear folding parts, namely the packaging film is arranged at the packaging film station; the bottom folding part comprises a supporting plate 75 moving back and forth, the supporting plate is inserted to enable the rear end of the packaging film to be wrapped at the lower end of the material, and the supporting plate 75 supports the material; the side folding device comprises a side inserting part, the side inserting part comprises a front inserting plate 79 and rear inserting plates 60 and 65 which move back and forth, the front inserting plate and the rear inserting plate are respectively provided with a left inserting plate and a right inserting plate, the rear inserting plates are arranged on two sides of a rear pushing plate 87, when the supporting plate 75 supports materials, the rear inserting plates 60 and 65 are inserted, and two sides of the rear end of the packaging film are folded inwards and attached to the materials; the push plate pushes the material upwards to move upwards and enter a front-back folding channel formed by a front baffle 84 and a back baffle 82, the front baffle and the back baffle enable a packaging film coated on the material to be folded downwards along the front end and the back end of the material, the packaging film is coated on the upper end surface and the front-back end surface of the material, the material continues to move upwards and enters a bottom surface folding station, the supporting plate 75 moves forwards to wrap the rear end of the packaging film at the lower end of the material and support the material, after the rear inserting plates 60 and 65 are inserted, the two sides of the rear end of the packaging film are folded inwards, and the rear insert plate and the rear push plate 87 continue to move forward to push the material forward, and the front baffle plate 84 is passed by the front baffle plate to wrap the front end of the packaging film at the lower end of the material, the front end of the packaging film covers the rear end, the overlapped part of the packaging film and the rear end is the bottom sealing part, and the supporting plate 75 always supports the materials in the process, so that the packaging film and the materials are kept in a compact state; after push pedal 87 promotes the material and passes through preceding picture peg 79 when shifting forward, preceding picture peg is with the packaging film front end both sides infolding and with the material laminating, back picture peg and the synchronous antedisplacement of back push pedal 87, back picture peg make the folding position of rear end lateral surface keep fold condition, are in tight real state moreover, so wrap up in the product of package completion and wrap up in the package tight real, the appearance is pleasing to the eye, and the completion is wrapped up in the package operation back, back picture peg, push pedal and layer board move backward to reset.

The side folding device further comprises an upper folding part and a lower folding part, the upper folding part and the lower folding part are arranged in front of the front folding part and the rear folding part, the upper folding part and the lower folding part comprise a workbench 91, an upper guide groove 80 and a lower guide groove 81, the upper guide groove is upwards inclined along the conveying direction, and the lower guide groove is downwards inclined along the conveying direction. The upper guide groove and the lower guide groove can be formed by guide rods, and in the embodiment, the upper guide groove and the lower guide groove mainly comprise an upper guide plate, a middle plate 85 and a lower guide plate 86; the upper guide plate and the middle plate form an upper guide groove 80, the lower guide plate 86 and the middle plate 85 form a lower guide groove 81, the inlet end of the upper guide groove is arranged at the lower end, the outlet end of the upper guide groove is arranged at the upper end, the inlet end of the lower guide groove is arranged at the upper end, and the outlet end of the lower guide groove is arranged at the lower end; the rear push plate pushes the materials to continuously move forwards after passing through the front inserting plate, then the materials enter a side face folding station, and two sides of the packaging film are folded along the upper guide groove 80 and the lower guide groove 81.

In order to improve work efficiency, after the completion is wrapped up in the package operation, back picture peg 60, 65, layer board 75 are for can in time resetting and will guarantee to wrap up in the package quality, the below of preceding picture peg is equipped with the end sealing device, the end sealing device is including the heat-seal mould 78 of oscilaltion, carries out the heat-seal through the heat-seal mould to foretell bottom involution position promptly, and after the heat-seal, back picture peg and layer board 75 can retreat, reset, and the packaging film who wraps up in the package outside the material like this also can not be loose.

In order to make the package more compact, the space between the two rear insertion plates 60, 65 and the two front insertion plates 79 is similar to the width of the material and cannot be too large, in order to make the rear insertion plate and the front insertion plate smoothly inserted and not collide with the material, the insertion ends of the rear insertion plate and the front insertion plate incline to the outside, i.e. the size of the insertion end is larger than the width of the material, other schemes can also be adopted, see the attached drawings 3-5, the rear insertion plate comprises a left insertion plate 60 and a right insertion plate 65, the rear insertion plate is installed on the installation seat 68, the rear insertion plate swings left and right on the installation seat, before side insertion, the left insertion plate 60 and the right insertion plate 65 are obliquely arranged, the insertion ends of the two insertion plates are larger than the other ends, i.e. the front end of the space between the left insertion plate 60 and the right insertion plate 65 is larger than the rear end, so that the material can smoothly enter the insertion end, the left inserting plate and the right inserting plate swing oppositely, the two inserting plates are arranged straightly and parallelly, at the moment, the distance between the left inserting plate 60 and the right inserting plate 65 is matched with the width of a wrapping material, namely, the distance between the left inserting plate and the right inserting plate is similar to the width of the material, and cannot be too large or too small, so that the wrapping material can be tightly wrapped, and the left inserting plate and the right inserting plate fold the packaging films on the two sides of the material inwards along with the entering of the material, so that the packaging films are attached to the two sides of the material.

The rear insert plate can swing left and right on the mounting seat 68 by adopting different means: the rear inserting plate is hinged with the mounting seat and is connected with a power part for driving the rear inserting plate to swing; the power part can adopt an air cylinder, the air cylinder is arranged on the mounting seat, a piston rod of the air cylinder is connected with the rear inserting plate, the air cylinder drives the rear inserting plate to swing left and right on the mounting seat, and the air cylinder drive can also be replaced by a mode of combining a screw rod mechanism and a motor; in order to make the back picture peg swing more stable, be equipped with the guide slot on the mount pad, the lower extreme of back picture peg is equipped with the guide block, the guide block is arranged in the guide slot, during the swing of back picture peg, the guide block slides in the guide slot. In the second mode, the rear insertion plate is hinged to the mounting seat, the left insertion plate 60 and the right insertion plate 65 are provided with acting force for enabling the rear ends of the left insertion plate and the right insertion plate to be close, namely the left insertion plate and the right insertion plate are obliquely arranged before side insertion, and the distance between the front ends of the left insertion plate and the right insertion plate is larger than that between the front ends of the left insertion plate and the right insertion plate. The effort also can adopt different modes, one of them, the one end of back picture peg is connected with the one end of extension spring, the other end and the mount pad of extension spring are connected, and the pulling force of extension spring makes the rear end of left picture peg and right picture peg draw close, makes back picture peg slant setting, and after the material got into between two picture pegs, because of the interval of two picture peg rear ends is narrow, the material extrudeed two picture pegs, overcomes the pulling force of extension spring, makes two picture pegs parallel arrangement. Secondly, see figures 1 and 2, install the horizontal guide arm 69 that sets up on the mount pad 68, the one end 70 and the mount pad of guide arm are connected, the other end of guide arm is provided with stopper 62, still be equipped with stopper two 74 on the guide arm, the rear end 63 activity of back picture peg sets up on guide arm 69, be equipped with the spring 67 that acts on the back picture peg on the guide arm, the elasticity of same spring makes the rear end of left picture peg 60 and right picture peg 65 be close to, makes left and right picture peg slant setting, stopper 62 prevents that left and right picture peg excessively inclines, prevents that the rear end of picture peg from breaking away from the guide arm, and after the material got into between two picture pegs, the material extrudes two picture pegs to overcome the elasticity of spring 67, make the picture peg that originally slant set up become straight setting, laminate with stopper two 74 of picture peg this moment, stopper two 74 prevent the picture peg reverse slope simultaneously, like this, the board is kept straight.

In order to enable the left and right insertion plates to be in a straight state quickly, a stop block 64 is arranged on the side of the rear insertion plate, the stop blocks on the left and right insertion plates are arranged oppositely, the stop block is arranged at the front end of the rear insertion plate, the stop block 64 is perpendicular to the rear insertion plate, when a material enters the insertion ends of the left and right insertion plates, the material presses the stop block 64, when the left and right insertion plates incline, the end surface of the material forms an included angle with the stop block, the material acts on the pressure of the stop block, the elasticity of a spring or the tension of a tension spring is overcome, the left and right insertion plates are in a straight state quickly, and the end surface of the material is attached to the stop; the front end 73 of the inserting plate is arc-shaped, so that the inserting plate can not scratch materials and packaging films, and the wrapping quality is improved. Reinforcing plate 66 is installed to the opposite side of back picture peg, reinforcing plate 66 is installed in the rear end of back picture peg, and the wobbling effort of drive back picture peg all is used in the reinforcing plate, the reinforcing plate improves the intensity of back picture peg, prolongs the life of back picture peg. Because the widths of the materials are different, the mounting seat 68 is movably mounted on the moving seat 62, that is, the left and right inserting plates can move transversely on the moving seat; for convenience of installation, the movable seat is provided with a transversely arranged installation groove 72, after the positions of the left inserting plate and the right inserting plate are adjusted, the locking bolt 71 penetrates through the installation groove to be connected with the installation seat 68, and the installation seat is fixed on the movable seat 61; the structure is also suitable for the front flashboard and is selected according to requirements.

In order to be suitable for packaging materials with different specifications, the rear baffle 82 can move back and forth relative to the front baffle 84, the distance between the front baffle and the rear baffle is adjusted, so that the machine frame is suitable for materials with different lengths, a guide rail is longitudinally arranged on the machine frame, the rear baffle is arranged on the guide rail in a sliding manner, the rear baffle moves back and forth on the guide rail, the movement of the rear baffle can be manual, and the rear baffle can be locked by a locking screw after the adjustment is finished, or the rear baffle is driven to move by a screw rod mechanism; the moving seat 61 is connected with a transmission part for driving the moving seat to move back and forth, the transmission part can be an air cylinder, in this embodiment, the transmission part comprises a transmission wheel, a transmission belt arranged on the transmission wheel and a motor for driving the transmission wheel to rotate, the moving seat is connected with the transmission belt, in order to ensure stable operation, a linear guide rail 76 is further arranged on the rack, and the moving seat 61 moves along the linear guide rail. The back push pedal is installed on removing the seat, removes the seat back-and-forth movement and can drive the back push pedal action, for improving location effect, positioning element still includes back setting element 89, the vertical installation of back setting element is on backplate 82, set up the wire casing 88 that supplies back setting element to pass on the layer board 75, by the rear end location of back setting element as the material, the material passes and gets into the folding station in bottom surface before, behind the backplate, and the material is spacing by the preceding folding material of back setting element 89, last baffle 77 and front end, and folding effect is better.

See fig. 15-17, the side seal passageway of side seal mechanism is divided into has heat-seal part and design part, left side heat-seal part and right heat-seal part are all including drive wheel 103, the drive belt 104 of setting on the drive wheel and set up heating element and the buffering design subassembly in the drive belt, drive belt 104 vertical setting, heating element sets up in the rear of buffering design subassembly, is provided with the heating element part promptly heat-seal part, is provided with buffering design subassembly part promptly design part, buffering design subassembly transversely extrudees the product to the extruded dynamics has certain cushion power, is not hard extrusion, has certain extrusion to the product like this, makes the heat-seal position design of product, and the cushion power then avoids the product impaired. The completion wraps up in the product entering side seal passageway 110 of package, and heating element's heat makes the packaging film involution, and the drive belt carries the product forward simultaneously, and consequently, the product carries out the heat-seal in transportation process, and the product gets into the type part after the heat-seal part, and buffering design subassembly extrudees the product, makes the heat-seal position of product stereotype, avoids the heat-seal part to scatter to provide the heat-seal effect, the product is seen off with the final drive belt.

The bottom end of the side sealing channel 110 is provided with a bottom conveying component, namely, a product enters the side sealing channel, and the bottom conveying component and a driving belt convey the product together, so that the product is prevented from separating from the side sealing channel, and the packaging film on the surface of the material is prevented from being wrinkled. In this embodiment, the bottom conveying component includes a left conveying belt 107 and a right conveying belt 108 which are horizontally arranged, and the left conveying belt and the right conveying belt are synchronous with the transmission belt.

The heating component comprises a heating plate 105, the heating plate is attached to a transmission belt 104, heat of the heating plate is transmitted to the packaging film through the transmission belt, the transmission belt is high-temperature resistant, the transmission belt is not damaged by high temperature, and the heat transmission effect is good; for avoiding heating plate temperature out of range, heating element is still including temperature sensor, install the heating pipe in the heating plate 105, temperature sensor and heating pipe all are connected with electric controller, and when temperature sensor detected the temperature of heating plate and reached the highest value, electric controller then sent the instruction and give the heating pipe, made it stop heating, otherwise, when temperature sensor detected the temperature of heating plate and dropped to the lowest value, sent the instruction and give the heating pipe, heated, guaranteed that the temperature of heating plate 105 makes the packaging film heat-seal firm. The heating assembly further comprises a spring plate 106, the heating plates are connected with the spring plate 106, the two heating plates 105 of the left heat-sealing component and the right heat-sealing component are attached to the transmission belt 104 through the elasticity of the spring plate and pressed to the side face of a product, and the heat-sealing operation of a packaging film wrapped outside the product is guaranteed.

Buffering design subassembly is including having elastic design piece 109, the design piece also can adopt the spring leaf, the structure of spring leaf is more, has provided the spring leaf of two kinds of structures in the attached 16, just no longer explains one by one, the elasticity extrusion product side of spring leaf, the spring leaf has the cushioning effect simultaneously, avoids excessively extrudeing, for improving design effect, the design part of side seal passageway 110 is slightly littleer than the interval of heat seal part, and extruded power is bigger like this, and design effect is better.

For convenient maintenance, left side heat-seal part 100 and right heat-seal part 101 are installed on upset seat 102, the upset seat is articulated with frame 1, promotes upset seat 102, makes it upwards turn over relative the frame, can maintain the operation to the part of heat-seal machine below like this, and the space is big, and it is more convenient to operate. Referring to fig. 17, the turning base includes a left support plate 115, a right support plate 111 and a cross beam 114 mounted on the left support plate and the right support plate, the cross beam is provided with a sliding seat arranged in a sliding manner, the right heat-sealing member 101 is mounted on the sliding seat, the right heat-sealing member can move transversely on the cross beam 114, and the distance between the left and right heat-sealing members is adjusted, so that the turning base is suitable for heat-sealing materials with different specifications; the overturning seat further comprises an overturning plate 113, the overturning plate is hinged to the frame 1, namely the overturning seat is hinged to the frame, a longitudinal guide rail 112 is arranged on the overturning plate 113, the left supporting plate 111 is arranged on the longitudinal guide rail in a sliding mode, the left heat-sealing part and the right heat-sealing part can move left and right relative to the frame, the side sealing channel 110 is connected with the workbench 91 in the previous process, and the structure of the whole machine is compact.

The transmission of the film feeding mechanism and the wrapping mechanism is driven by a servo motor, and the servo motor is electrically connected with an electric controller. The invention relates to a packaging machine, which comprises a film conveying mechanism, a wrapping mechanism, a rear push plate, a rear insert plate, a supporting plate, a rear push plate, a rear insert plate and a rear support plate, wherein the film conveying mechanism and the wrapping mechanism are controlled by an electric controller, the sensors of the invention are controlled by the electric controller, aiming at the packaging of materials with different specifications, the mechanisms can be coordinated with each other by adjusting the operation time and the operation speed of each mechanism, for example, the materials are lengthened, the required packaging film is also lengthened, the traction speed can be increased, the cutting time of a cutter can be controlled, the unit packaging film is longer, in the wrapping operation, the rear push plate pushes the materials to be folded from the bottom surface to the side surface, and the moving speed and the moving time of the rear push plate, the rear insert plate and the.

When the packaging machine works, the materials are wrapped in a side-standing mode, the front ends of the coiled materials are conveyed to the feeding ends of the left air suction belt and the right air suction belt by the feeding rollers, the coiled materials are cut into unit packaging films by the film cutting device 11, the cut packaging films are conveyed forwards to a packaging film station by the left air suction belt and the right air suction belt, and the front ends and the rear ends of the packaging films are positioned by the film conveying auxiliary component; the materials are placed on the conveying belt 30, the conveying belt conveys the materials forwards, the materials enter the clamping and conveying channel 32 until the materials touch the positioning baffle 51 to be contacted, the conveying belt 30, the left conveying belt and the right conveying belt continuously convey the materials, the materials are stacked from the positioning baffle until the materials are stacked until the materials are detected by the material storage sensor 46, at the moment, the electric controller sends an instruction to the push plate 47, the push plate pushes the materials upwards, the materials move upwards along the conveying channel 49 and pass through the packaging film station to enter the wrapping station together with the packaging film; after the materials are sent out, the materials at the rear part are continuously conveyed forwards until the materials arranged at the forefront are contacted with the positioning baffle plate, the materials in the clamping and conveying channel are piled again, and the process is repeated. The material firstly enters a front and back folding station of a wrapping station, the front and back baffles make the front end and the back end of the packaging film downwards folded along the surface of the material, at the moment, the packaging film is wrapped on the upper surface, the front end surface and the back end surface of the material, then the material enters a bottom surface folding station, the material is contacted with the upper baffle, the supporting plate 75 extends out to fold the back end of the packaging film forwards to wrap the back end of the packaging film on the lower end surface of the material and hold the material, then the back inserting plates 60 and 65 extend out to fold the two sides of the back end of the packaging film inwards, at the moment, the back pushing plate 87 pushes the material to move forwards, the back inserting plates synchronously move forwards to avoid the loosening of the finished folded part, when the material moves forwards, the front end of the material passes through the front baffle 84 and the front inserting plate 79, the front baffle folds the front end of the packaging film backwards and wraps the bottom of the material, and the front inserting plate, the front end of the packaging film is folded backwards due to the front baffle, the front end of the material enters the workbench 91, the lower end of the packaging film enters the upper guide groove 80 and is folded upwards, the upper end of the packaging film enters the lower guide groove 81 and is folded downwards, when the packaging film is folded upwards and downwards, the front end of the packaging film covers the rear end of the packaging film, the heat sealing die 78 moves upwards to seal the heat sealing part at the bottom, the rear push plate 87, the supporting plate 75 and the rear inserting plates 60 and 65 move backwards and reset, and the material which finishes the wrapping operation waits for the next material to be pushed forwards to the side sealing process; wrap up in the good material of package and pushed the side seal passageway, drive belt and bottom conveying part will wrap up in the good material of package and transmit forward, through the heat-seal part, heating element carries out the side seal to the packaging film, and the material carries out the heat-seal in transportation process promptly, and the material gets into the type fixing part behind the heat-seal part, and buffering type fixing component extrudees the product, makes the heat-seal position of product stereotype, avoids the heat-seal part to scatter, improves the heat-seal effect, and the side seal passageway is seen off with the product to last drive belt, so accomplishes three-dimensionally and wraps up in the package.

Claims (12)

1. A three-dimensional wrapping machine comprises a machine frame, a film feeding mechanism, a wrapping mechanism and a side sealing mechanism, wherein the side sealing mechanism is arranged in front of the wrapping mechanism and is characterized in that the feeding mechanism comprises a feeding part, the tail end of the feeding part is provided with a push plate which can lift up and down, the wrapping mechanism is arranged above the feeding part and comprises a main body folding device and a side face folding device, the side sealing mechanism comprises a vertically-swinging overturning seat, a left heat sealing part and a right heat sealing part which are arranged on the overturning seat, the side end of the overturning seat is hinged with the machine frame, a side sealing channel is arranged between the left heat sealing part and the right heat sealing part and is connected with a workbench of the side face folding device, the film feeding mechanism comprises a traction device, a film cutting device and a positioning film feeding device, and the traction device and the film cutting device are arranged below the overturning seat, the positioning film feeding device is arranged between the main body folding device and the feeding part.

2. The three-dimensional wrapping machine according to claim 1, characterized in that the turning seat comprises a left support plate, a right support plate and a cross beam mounted on the left support plate and the right support plate, the cross beam is provided with a sliding seat in a sliding manner, and the right heat-sealing component is mounted on the sliding seat; the turnover seat further comprises a turnover plate, the turnover plate is hinged to the rack, a longitudinal guide rail is arranged on the turnover plate, and the left support plate is arranged on the longitudinal guide rail in a sliding mode.

3. The three-dimensional wrapping machine according to claim 1, characterized in that the positioning film feeding device comprises an air suction belt, the air suction belt comprises a left air suction belt and a right air suction belt, and two ends of the left air suction belt and the right air suction belt are respectively provided with a film feeding auxiliary component; the film feeding auxiliary component comprises a pressing wheel group matched with an air suction belt.

4. The three-dimensional wrapping machine according to claim 1, characterized in that the feeding mechanism further comprises a feeding component, the feeding component comprises a conveying belt, and the conveying belt is horizontally arranged; the feeding component comprises a left conveying belt and a right conveying belt, the left conveying belt and the right conveying belt are vertically arranged, a clamping and conveying channel is arranged between the left conveying belt and the right conveying belt, the rear end of the clamping and conveying channel is connected with the conveying belts, and a positioning baffle is arranged at the front end of the clamping and conveying channel; the frame is provided with a stop block which enters and exits the clamping and conveying channel from the lower part of the clamping and conveying channel, and the stop block is connected with a lifting component which drives the stop block to lift up and down or connected with a swinging component which drives the stop block to swing up and down.

5. The three-dimensional wrapping machine according to claim 4, characterized in that the feeding component further comprises a material supporting piece, and the material supporting piece is arranged below the left conveying belt and the right conveying belt; an in-place sensor is arranged on the positioning baffle; a material storage sensor is arranged behind the in-place sensor; the discharge end of the conveying belt is provided with a linkage sensor, and the in-place sensor, the material storage sensor, the linkage sensor, the feeding part and the feeding part are all connected with an electric controller.

6. The three-dimensional wrapping machine according to claim 5, characterized in that two side baffles, namely a left side baffle and a right side baffle, are arranged on the conveying belt, the side baffles are longitudinally arranged, the two side baffles move transversely relatively, and the left conveying belt and the right conveying belt move transversely relatively; a limiting baffle is arranged behind the positioning baffle, and a conveying channel is formed between the positioning baffle and the limiting baffle; the limiting baffle is arranged on a supporting rod which moves left and right, and the supporting rod is arranged on an adjusting seat which can lift up and down.

7. The three-dimensional wrapping machine according to claim 1, characterized in that the main body folding device comprises a positioning part, a front and rear folding part and a bottom surface folding part, the positioning part is arranged above the front and rear folding part, the positioning part comprises an upper baffle plate and a rear push plate which moves back and forth, the upper baffle plate extends forwards to the upper part of the upper and lower folding part, the front and rear folding part comprises a front baffle plate and a rear baffle plate, and the bottom surface folding part comprises a supporting plate which moves back and forth; the side folding device is including the side part of inserting and folding part from top to bottom, folding part sets up the place ahead of folding part in the front and back, the side part of inserting is including the back picture peg of preceding picture peg and back-and-forth movement, preceding picture peg and back picture peg all are provided with about two, the back picture peg sets up the both sides in back push pedal, folding part is including last guide way and lower guide way from top to bottom, go up the guide way and set up the top at the workstation with lower guide way.

8. The three-dimensional wrapping machine according to claim 7, characterized in that a bottom sealing device is arranged below the front inserting plate, and the bottom sealing device comprises a heat sealing die which can be lifted up and down; the rear inserting plate is hinged with the mounting seat, and the rear end of the rear inserting plate is provided with an acting force which enables the rear inserting plate to incline towards the rear pushing plate.

9. The three-dimensional wrapping machine according to claim 7, characterized in that the spacing between said front and rear flaps matches the length of the wrapping material, said rear flap being movable back and forth relative to said front flap; the positioning component also comprises a rear positioning piece which is vertically arranged on the rear baffle plate, and the supporting plate is provided with a wire slot for the rear positioning piece to pass through; the rear push plate is arranged on the movable seat; the upper guide groove and the lower guide groove mainly comprise an upper guide plate, a middle plate and a lower guide plate, the upper guide plate and the middle plate form the upper guide groove, and the lower guide plate and the middle plate form the lower guide groove.

10. The three-dimensional wrapping machine according to claim 1, wherein the side sealing channel is divided into a heat sealing part and a shaping part, the left heat sealing part and the right heat sealing part each comprise a driving wheel, a driving belt arranged on the driving wheel, and a heating assembly and a buffer shaping assembly arranged in the driving belt, the driving belt is vertically arranged, and the heating assembly is arranged behind the buffer shaping assembly.

11. The three-dimensional wrapping machine according to claim 10, characterized in that the bottom end of the side sealing channel is provided with a bottom conveying component; the bottom conveying component comprises a left conveying belt and a right conveying belt which are horizontally arranged, and the left conveying belt and the right conveying belt are synchronous with the conveying belt; the heating component comprises a heating plate, and the heating plate is attached to the transmission belt; the buffer shaping assembly comprises an elastic shaping sheet, and the distance between the shaping part of the side sealing channel and the heat sealing part is smaller; the heating assembly further comprises a spring piece, and the heating plate is connected with the spring piece.

12. The three-dimensional wrapping machine according to claim 1, characterized in that the transmission of the film feeding mechanism and the wrapping mechanism are driven by a servo motor, and the servo motor is electrically connected with an electric controller.

Images