CN109941484B - Film packaging is with transmission switching equipment - Google Patents

Abstract

The invention provides transmission switching equipment for film packaging, which belongs to the field of packaging equipment and comprises a flattening component, a leading-in component, a back corner-folding component, a flattening component and a heat-sealing component which are driven by the same power source, wherein a packaging box sequentially passes through the flattening component, the leading-in component, the back corner-folding component and the flattening component and enters the next working procedure after passing through the heat-sealing component. The invention has compact structure, adopts the same power source for driving the actions of flattening, back corner folding, heat sealing and the like, saves energy and consumption, simplifies the structure and reduces the manufacturing cost.

Description

Film packaging is with transmission switching equipment

Technical Field

The invention belongs to the field of packaging equipment, relates to film cutting equipment, and particularly relates to transmission switching equipment for film packaging.

Background

At present, a plurality of boxed products are packaged with a layer of film outside for sealing or waterproofing before actual transportation, the packaging film is more attractive, the moisture resistance is better, products such as cigarette boxes or medicine boxes, cosmetics and the like are provided on the appearance, in the actual packaging process, the products need to be wound and packaged from the feeding process to the film in the continuous delivery process, the films are cut off and smoothed, and the film packaging needs a certain time, so that continuous feeding needs to be converted into intermittent feeding and positioning, the middle of the packaging film is related to the actions such as clamping, back corner folding, flattening and heat sealing, if each action is driven by an independent mechanism, the structure becomes particularly huge, the manufacturing cost is increased, and the more parts are, the higher the labor assembly cost is.

Disclosure of Invention

The invention aims to solve the problems of providing the transmission switching equipment for film packaging, which has compact structure, adopts the same power source for driving actions such as flattening, back folding, heat sealing and the like, saves energy, consumes energy, simplifies the structure and reduces the manufacturing cost.

In order to solve the technical problems, the invention adopts the following technical scheme: the film packaging transmission switching equipment comprises a flattening component, a leading-in component, a back corner-folding component, a flattening component and a heat-sealing component which are driven by the same power source, wherein a packaging box sequentially passes through the flattening component, the leading-in component, the back corner-folding component and the flattening component and enters the next working procedure after passing through the heat-sealing component;

the flattening assembly comprises a first belt wheel for driving the flattening assembly to rotate, the guiding assembly comprises a driving gear for driving the driving belt wheel to rotate, the rear corner smoothing assembly comprises a driven belt wheel for driving the rear corner smoothing assembly to rotate, the flattening assembly comprises a second chain wheel for driving the flattening assembly to rotate, the heat sealing assembly comprises a first chain wheel for driving the heat sealing assembly to rotate, the driven belt wheel and the second chain wheel are coaxially arranged and are all arranged on a first transmission shaft, the second chain wheel and the first chain wheel are connected through a chain and synchronously rotate, the first belt wheel and the driven belt wheel are connected through a belt and synchronously rotate, and the first transmission shaft is meshed with the driving gear through a second transmission shaft and a gear mechanism to realize synchronous rotation, and the second transmission shaft is connected with a film fixing frame in a rotating mode.

Further, smooth the subassembly and include shovel cam, drive bearing and hoisting frame down, shovel cam rotates and connects on film packaging machine's mount down, shovel cam is the sheave of flat structure down, drive bearing with shovel cam cooperation sets up and by shovel cam drive its up-and-down motion down, the lower extreme of hoisting frame with drive bearing rotates and is connected, the side of hoisting frame is equipped with the line rail to its up-and-down motion direction, the upper end of hoisting frame is equipped with shovel board down, shovel board upwards wears out the shaping board setting down.

Further, with the coaxial first sprocket that is provided with of shovel cam down, first sprocket is established shovel cam down is kept away from one side of drive bearing, first sprocket pass through the chain structure with the cooperation of second sprocket and the synchronous rotation of two, the second sprocket passes through motor drive rotation, and the inside of chain is equipped with rather than the regulation sprocket of cooperation and adjustable its elasticity, regulation sprocket is established on the extension board, the extension board is fixed on film packaging machine's mount, be equipped with the realization on the extension board regulation slot hole that regulation sprocket carries out horizontal adjustment.

Further, be equipped with on the shaping board and keep away a slot hole, down the shovel board passes through keep away a slot hole and upwards protrude the shaping board sets up, the upper end of shovel board is equipped with curved bending portion down, bending portion sets up towards the feed inlet, the line rail sets firmly on the riser, riser and film packaging machine's mount fixed connection, the upper end of hoisting frame is equipped with the lower shovel seat of L type, lower shovel seat upper end has set firmly down shovel frame, lower shovel plate hinge is on shovel frame down, shovel plate lower extreme is kept away from one side of bending portion is equipped with the limiting plate down, the limiting plate with shovel frame laminating down, down shovel frame with be equipped with the assurance down between the shovel board with the torsional spring of shaping board laminating down, the torsional spring is established down shovel frame is kept away from one side of limiting plate down, be equipped with vertical first rectangular hole on the shovel seat down, shovel seat and hoisting frame are through establishing down in the screw fixed connection in the first rectangular hole.

Further, the leading-in subassembly includes the slide seat, the both sides of slide seat upper end are equipped with coaxial little slide and link axle, the slide seat with the lower extreme of link axle homonymy articulates the lower extreme of baffle, the upper end of baffle is equipped with first slider, first slider is established in the first guide way on the translation board and both upper and lower sliding connection, the one end that the slide seat was kept away from to the link axle is equipped with the second slider, the second slider with sliding connection about the baffle, be equipped with the third guide way on the little slide, be equipped with the third slider in the third guide way, the third slider is driven and drives by the drive connecting rod little slide rotates.

Further, the third slider is the T type, the third slider is fixed the one end of drive connecting rod, the other end of drive connecting rod is fixed in the drive shaft and is rotated along with the drive shaft, the drive shaft is established on film packagine machine and the two rotation connection, be equipped with the driving gear in the drive shaft, the driving gear is rotated by motor and gear mechanism drive, the second slider is including the first slide and the second slide of package assembly, the centre of baffle is equipped with keeps away the position groove, the part that the baffle is located keep away the position groove both sides passes the setting of second slider and two sliding connection, the both ends that keep away the position groove length are equipped with first gap of keeping away, the third guide way is kept away from the one end of slide seat is equipped with the second and keeps away the position gap.

Further, the translation board is kept away from one side of baffle is equipped with the direction line rail, the setting direction of direction line rail with the direction of movement of translation board is unanimous, the baffle is kept away from one side of slide seat is equipped with lubricating oil pipe, lubricating oil pipe follows the lower extreme setting of baffle, upwards extend to with first slider center intercommunication, the both sides of first slider are equipped with the lubrication groove, be equipped with the oil guide hole with first slider center intercommunication on the lubrication groove, lubricating oil pipe's lower extreme and outside oil supply device intercommunication.

Further, the back corner folding assembly comprises clamping assemblies symmetrically arranged on two sides of the film packaging machine, each clamping assembly comprises a translation cam, a driving rod, a connecting rod and a clamping block, each translation cam is arranged on a fixing frame of the film packaging machine and is rotationally connected with the fixing frame, the lower end of each driving rod is hinged to the fixing frame, a curve roller bearing matched with the translation cam is arranged in the middle of each driving rod, the upper end of each driving rod is hinged to one end of each connecting rod, the other end of each connecting rod is hinged to the corresponding clamping block, each clamping block is in sliding connection with the fixing frame, a clamping plate for fixing and clamping a packaging box is arranged on each clamping block, and a reset spring for guaranteeing the fit between each curve roller bearing and each translation cam is arranged at the lower end of each driving rod.

Further, the connecting rod includes the fixed body in the middle and establishes the tip bearing festival at fixed body both ends, tip bearing festival with the equal threaded connection of fixed body, tip bearing festival and actuating lever and clamping piece are hinge structure, the fixed body is regular polyhedron structure, with translation cam coaxial driven pulley and manual regulation sprocket that is provided with, driven pulley passes through motor and pulley structure drive rotation, manual regulation sprocket passes through chain and driving sprocket cooperation setting, driving sprocket passes through the hand wheel drive, driving sprocket establishes on the fixing base and the two rotates to be connected, be equipped with rectangular regulation hole on the fixing base, the longitudinal central line of regulation hole with rectangular central line in rectangular hole sets up perpendicularly.

Further, the vertical setting of grip block, the perpendicular distance between the grip block that the symmetry set up equals the length of waiting the packing carton, the grip block with be equipped with the regulating plate between the grip block, grip block and mount pass through line rail structure sliding connection, the one end of regulating plate is fixed with the grip block through rectangular hole, and the other end sets firmly the grip block, the upper end at the shaping board is established to the grip block, the vertical central line perpendicular to film packaging machine's of rectangular hole direction of delivery sets up, the four corners of grip block is equipped with keeps away the position fillet, be equipped with the spacing groove on the grip block, the one end of regulating block is established spacing inslot and two clearance fit, the longitudinal central line of spacing groove with the longitudinal central line parallel setting of rectangular hole.

Compared with the prior art, the invention has the following advantages and positive effects.

1. The power transmission among all the components is realized through the gear, belt wheel or chain wheel mechanism, and the same power source is adopted, so that the energy consumption is saved, the whole structure is more compact, the occupied space of the whole mechanism is reduced, and the production cost is reduced;

2. the coaxial small slide plate and the connecting rod shaft are arranged, the third slide block and the driving connecting rod mechanism utilize the lever principle, the power of a driving source on the driving connecting rod is reduced, the energy consumption is saved, under normal conditions, the larger the distance of the horizontal movement of the translation plate is, the larger the vertical movement distance of the second slide block on the guide plate is, the larger the connecting rod shaft length of the second slide block is fixed, the larger torque is required for driving the connecting rod shaft, the coaxial small slide plate is arranged, the rotation of the connecting rod shaft is realized through driving the small slide plate, the third slide block can realize the rotation of the connecting rod shaft through the lever principle on the premise that the guide plate has the same translation distance, the power source with smaller power is used, the effect is small, the energy consumption is low, the structure is simple, the conception is ingenious, the cost is low, and the environmental protection performance is strong;

3. The first avoidance gap is arranged, so that after the second sliding block moves to the end part of the avoidance groove, vacuum is generated by fast and close fitting in a moving state, two parts fitted in the vacuum state are difficult to separate, the situation that smooth sliding cannot be realized is avoided, the principle of the second avoidance gap is the same as that of the first avoidance gap, the relatively smooth movement among the parts is ensured, and the vacuum blocking is avoided;

4. lubricating oil is fed into the lubricating groove from the lubricating oil pipe upwards through the oil guide hole, so that lubrication between the first sliding block and the first guide groove is realized, smooth action is ensured, clamping is avoided, continuous operation is ensured, and the failure rate is reduced;

5. the horizontal displacement of the upper end of the driving rod is realized by driving the curved roller bearing through the high point and the low point of the outer contour of the translation cam, so that the horizontal position of the clamping block is realized, the back press coverage of the end face is realized for the packaging box after film coating, the front press coverage of the film at the rear end is completed, and the back-to-front corner folding action of the end face is completed;

6. The connecting rod is arranged, the middle fixing body is adjusted, so that the length can be lengthened and shortened, the connection and the fixing are convenient, the processing error is compensated, and the assembly efficiency is improved; the longitudinal center line of the strip hole is perpendicular to the conveying direction of the film packaging machine, so that the adjustment of the relative width of the clamping plate is realized, the strip hole is suitable for the back pressing corner folding action of packaging boxes with different specifications, the four corners of the clamping plate are provided with the avoidance fillets, the scratch to the appearance of the packaging boxes is avoided, and the qualification rate of products is improved;

7. after the limiting groove is formed, the adjusting plate can be quickly placed into the clamping block during actual installation, the precision is high, and the assembly effect and the positioning precision are improved;

8. the lower shovel cam and the driving bearing are arranged in a matched manner, the rotation of the lower shovel cam drives the driving bearing to move, so that the up-and-down reciprocating motion is realized, the lifting frame is driven to reciprocate up and down, and meanwhile, the arranged wire rail ensures the up-and-down motion precision of the lifting frame, so that the high-precision up-and-down reciprocating motion of the lower shovel plate is realized, the smooth and smooth movement of the film outside the packaging box which passes through the upper part of the lower shovel plate is further ensured, the packaging quality of the film is improved, and the subsequent heat sealing quality and efficiency are also improved;

9. After the adjusting chain wheel is arranged, the tightness of the chain can be ensured by adjusting the position of the adjusting chain wheel relative to the paperboard, and the effectiveness of the transmission power of the chain is ensured;

10. the lower shovel seat and the lower shovel frame are arranged, the fixed installation of the lower shovel plate and the lifting frame is changed into an adjustable assembly structure, parts are processed independently, processing cost is reduced, the vertical degree of the lower shovel plate can be guaranteed through the arranged torsion springs, meanwhile, the lower shovel plate is prevented from being positioned too far by the limiting plate, and positioning accuracy is guaranteed.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:

FIG. 1 is a schematic view of a transfer adapter for film packaging according to the present invention;

FIG. 2 is a schematic left-hand view of the transfer adapter for film packaging of the present invention;

FIG. 3 is a schematic view of the left side of the lead-in assembly of the present invention;

FIG. 4 is a detail view of the portion D of FIG. 3 of the present invention;

FIG. 5 is a schematic diagram of the right side view of the lead-in assembly of the present invention;

FIG. 6 is a schematic top view of the lead-in assembly of the present invention;

FIG. 7 is a schematic view of the structure of the first slider of the present invention;

FIG. 8 is a schematic top view of the first and second push plates of the present invention with associated parts mated;

FIG. 9 is a schematic view of the first and second push plates of the present invention in bottom view after mating with the associated components;

fig. 10 is a schematic side view of a rear corner assembly according to the present invention;

FIG. 11 is a detail view of section A of FIG. 10 in accordance with the present invention;

FIG. 12 is a detail view of section B of FIG. 10 in accordance with the present invention;

fig. 13 is a schematic top view of a rear corner assembly of the present invention;

FIG. 14 is a detail view of section C of FIG. 13 in accordance with the present invention;

FIG. 15 is a schematic view of the structure of the pacifier assembly of the present invention from the right;

FIG. 16 is a schematic diagram of the structure of a pacifier assembly of the present invention in elevation;

FIG. 17 is a detail view of section E of FIG. 16 in accordance with the present invention;

FIG. 18 is a schematic view of the structure of the pacifier assembly of the present invention from the left;

fig. 19 is a detail F of fig. 18 according to the present invention.

Reference numerals:

1. a rear corner folding component; 11. a translation cam; 12. a driving rod; 121. a curved roller bearing; 122. a first positioning column; 13. a connecting rod; 131. a fixed body; 132. an end bearing section; 14. a clamping block; 141. a limit groove; 15. an adjustment plate; 151. a slit hole; 16. a clamping plate; 161. a round corner is avoided; 17. a driven pulley; 18. manually adjusting the sprocket; 181. a fixing seat; 1811. an adjustment aperture; 182. a hand wheel; 183. a drive sprocket; 19. a return spring; 191. a second positioning column; 20. an import component; 21. a slide plate seat; 22. a link shaft; 221. a second slider; 2211. a first slide plate; 2212. a second slide plate; 23. a small slide plate; 231. a second clearance gap; 24. a guide plate; 241. a first clearance gap; 25. a first slider; 251. a lubrication groove; 252. an oil guide hole; 26. a translation plate; 261. a first guide groove; 262. a guide wire rail; 27. a lubrication pipe; 29. a drive link; 291. a drive shaft; 292. a drive gear; 30. a smoothing assembly; 31. a shovel pushing cam; 311. a first sprocket; 312. a second sprocket; 313. an adjusting sprocket; 314. a support plate; 3141. an adjusting slot; 32. a drive bearing; 33. a lifting frame; 331. a vertical plate; 34. a lower shovel seat; 341. a first elongated aperture; 35. a lower shovel frame; 36. a lower shovel plate; 361. a torsion spring; 362. a limiting plate; 363. a bending portion; 10. forming a plate; 101. a carding groove; 40. a flattening assembly; 41. a first pulley; 42. flattening the cam; 43. flattening the lifting rod; 44. a flattening plate; 50. a heat seal assembly; 51. a heat sealing plate; 201. a first push plate; 202. a second push plate; 203. overturning the torsion spring; 204. a limit turnover plate; 101. a first drive shaft; 102. a second drive shaft; 103. and a power source.

Detailed Description

It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.

Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 5, the invention relates to a transmission switching device for film packaging, which comprises a flattening component 40, a leading component 20, a back corner component 1, a smoothing component 30 and a heat sealing component 50 which are driven by the same power source 103, wherein a packaging box sequentially passes through the flattening component 40, the leading component 20, the back corner component 1 and the smoothing component 30 and enters the next process after passing through the heat sealing component 50, the flattening component 40 comprises a first belt wheel 41 for driving the flattening component to rotate, the leading component 20 comprises a driving gear 292 for driving the flattening component to rotate, the back corner component 1 comprises a driven belt wheel 17 for driving the flattening component to rotate, the smoothing component 30 comprises a second chain wheel 312 for driving the flattening component to rotate, the heat sealing component 50 comprises a first chain wheel 311 for driving the heat sealing component to rotate, the driven belt wheel 17 and the second chain wheel 312 are coaxially arranged on a first transmission shaft 101, the second chain wheel 312 is connected with the first chain wheel 311 through a chain and synchronously rotates, the first belt wheel 41 and the driven belt wheel 17 are connected through a belt and synchronously rotates, the first transmission shaft 101 is meshed with the driving gear 292 through a second transmission shaft 102 and a gear mechanism to synchronously rotate, and the second transmission shaft 102 is connected with a film fixing frame in a rotating mode.

The flattening assembly 40 further comprises a flattening cam 42, a flattening bearing, a flattening lifting rod 43 and a flattening plate 44, wherein the flattening cam 42 and the first belt pulley 41 are coaxially arranged and synchronously rotate, a supporting belt pulley and an elastic bearing are arranged on a belt connecting the first belt pulley 41 and the driven belt pulley 17, the belt is used for supporting and adjusting tightness, the flattening bearing and the flattening cam 42 are matched, the flattening cam 42 is arranged in a rotating process, the flattening bearing is driven to move up and down, the flattening bearing is hinged to the lower end of the flattening lifting rod 43, a linear rail for guaranteeing the precision of the vertical linear movement of the flattening lifting rod 43 and the film mounting frame is arranged between the flattening lifting rod 43 and the film mounting frame, the flattening plate 44 is arranged at the upper end of the flattening lifting rod 43 and moves up and down along with the flattening lifting rod 43, the flattening plate 44 moves down after the packaging box enters the position, the flattening plate 44 moves down to finish the flattening positioning of the packaging box, then the flattening plate 44 moves up under the action of the flattening cam 42, at the moment, the packaging box continues to be conveyed forward, the winding and wrapping of the film are arranged, the positioning precision of the packaging box and the flatness of the packaging surface can be improved, the quality of the film is improved, the assembly 50 comprises the upper sealing plate and the lower sealing plate and the upper sealing plate and the lower sealing plate are moved down in time, and the same in time.

As shown in fig. 3 to 7, the guiding assembly 20 includes a slide seat 21, two sides of the upper end of the slide seat 21 are provided with a small coaxial slide plate 23 and a link shaft 22, the lower ends of the slide seat 21 and the link shaft 22 are hinged with the lower ends of the guide plates 24, the upper ends of the guide plates 24 are provided with first slide blocks 25, the first slide blocks 25 are arranged in first guide grooves 261 on the translation plates 26 and are in up-and-down sliding connection with each other, one end of the link shaft 22, which is far away from the slide seat 21, is provided with second slide blocks 221, the second slide blocks 221 are in up-and-down sliding connection with the guide plates 24, the small slide plate 23 is provided with a third guide groove, a third slide block is arranged in the third guide groove, and is driven by a driving connecting rod 29 and drives the small slide plate 23 to rotate, the third slide block and the driving connecting rod 29 mechanism utilizes the lever principle, the power of a driving source on the driving connecting rod 29 is reduced, the energy consumption is saved, and under normal conditions, the larger distance of the translation plates 26 in the horizontal direction is, the up-down movement distance of the second slide blocks 221 on the guide plates 24 is larger, the length of the shaft 22 of the second slide blocks 221 is longer, the shaft 22 is farther from the shaft 22 is required to be more powerful than the shaft 22 is required to be driven by the small shaft 23 to rotate, the small slide plate 23 is more easily and the same, the power consumption of the driving source is realized, and the small power consumption of the small slide plate is reduced by the principle of the driving the connecting rod is realized, and the small power is more has the high cost and the power consumption is realized.

As shown in fig. 8 and 9, preferably, the upper end of the translation plate 26 is fixedly provided with a first push plate 201, one end, close to the heat sealing assembly, of the first push plate 201 is provided with a second push plate 202, one end, away from the heat sealing assembly, of the second push plate 202 is hinged to the first push plate 201, a turnover torsion spring 203 for guaranteeing the second push plate 202 to turn backwards is arranged between the first push plate 201 and the second push plate, the number of the turnover torsion springs 203 is two and is arranged at two longitudinal ends of the second push plate 202, the lower end of the second push plate 202 is fixedly provided with a limiting turnover plate 204, the limiting turnover plate 204 is matched with the first push plate 201 to set an upper limit position capable of realizing turnover of the second push plate 202, the first push plate 201 limits a lower limit position of the second push plate 202, and the upper end face of the second push plate 202 is flush with the upper end face of the first push plate 201 in a lower limit position state.

Preferably, the third slider is T-shaped, the third slider is fixed at one end of the driving link 29, the other end of the driving link 29 is fixed on the driving shaft 291 and rotates along with the driving shaft 291, the driving shaft 291 is arranged on the film packaging machine and is rotationally connected with the film packaging machine, a driving gear 292 is arranged on the driving shaft 291, the driving gear 292 is driven to rotate by a motor and a gear mechanism, the driving gear 292 rotates to drive the driving shaft 291 to rotate, the driving shaft 291 rotates to drive the driving link 29 to rotate together, and the driving link 29 drives the small slide plate 23 to rotate through the third slider, so that power transmission and stability are realized.

Preferably, the second slide block 221 includes a first slide plate 2211 and a second slide plate 2212 of an assembled structure, a clearance groove is formed in the middle of the guide plate 24, portions of the guide plate 24 located at two sides of the clearance groove penetrate through the second slide block 221 and are slidably connected with each other, the guide plate 24 is embedded in the second slide plate 2212 during actual assembly, the first slide plate 2211 is covered on the second slide plate 2212 and is fixed with each other by screws, and assembly is convenient and quick.

Preferably, the two ends of the length of the avoidance slot are provided with a first avoidance gap 241, one end of the third guide slot, which is far away from the slide plate seat 21, is provided with a second avoidance gap 231, the first avoidance gap 241 is arranged, after the second slide block 221 is ensured to move to the end part of the avoidance slot, vacuum is generated by rapid close fit under the motion state, two parts which are fit under the vacuum state are difficult to separate, the situation that smooth sliding cannot be realized is avoided, the principle of the second avoidance gap 231 is the same as that of the first avoidance gap 241, the relative smooth movement between the parts is ensured, and the vacuum blocking is avoided.

Preferably, a guide wire rail 262 is arranged on one side of the translation plate 26 far away from the guide plate 24, the arrangement direction of the guide wire rail 262 is consistent with the movement direction of the translation plate 26, and after the guide wire rail 262 is arranged, the movement accuracy of the translation plate 26 is ensured, and the translation plate moves along the direction of the guide wire rail 262.

Preferably, one side of the guide plate 24 far away from the slide plate seat 21 is provided with a lubricating oil pipe 27, the lubricating oil pipe 27 is arranged from the lower end of the guide plate 24 and extends upwards to be communicated with the center of the first slide block 25, both sides of the first slide block 25 are provided with lubricating grooves 251, the lubricating grooves 251 are provided with oil guide holes 252 communicated with the center of the first slide block 25, the lower end of the lubricating oil pipe 27 is communicated with an external oil supply device, lubricating oil enters the lubricating grooves 251 upwards from the lubricating oil pipe 27 through the oil guide holes 252, lubrication between the first slide block 25 and the first guide grooves 261 is realized, smooth action is ensured, seizure is avoided, continuous operation is ensured, and the failure rate is reduced.

Preferably, the connecting rod driving type translation mechanism can be simultaneously arranged into two or more, the two translation mechanisms are arranged in a straight line, the connecting large plates are arranged between the two translation plates 26, the specifications of the connecting large plates are adjusted according to actual use conditions and spans when the two translation mechanisms are arranged, no matter the arrangement structure is adopted, the plurality of small sliding plates 23 which are arranged in a straight line are coaxially arranged, the consistency of actions is ensured, the bearing and transportation functions of the connecting large plates are realized, if the bearing object is large or the weight is heavy, the plurality of the connecting large plates can be arranged, and the determination is carried out according to the actual conditions.

As shown in fig. 10-14, the rear corner-folding assembly 1 comprises clamping assemblies symmetrically arranged at two sides of the film packaging machine, each clamping assembly comprises a translation cam 11, a driving rod 12, a connecting rod 13 and a clamping block 14, the translation cams 11 are arranged on a fixing frame of the film packaging machine and are rotationally connected with each other, the lower ends of the driving rods 12 are hinged on the fixing frame, a curve roller bearing 121 matched with the translation cams 11 is arranged in the middle of the driving rods 12, one ends of the connecting rods 13 are hinged at the upper ends of the driving rods 12, the other ends of the connecting rods 13 are hinged with the clamping blocks 14, the clamping blocks 14 are in sliding connection with the fixing frame, clamping plates 16 for fixedly clamping the packaging box are arranged on the clamping blocks 14, the lower extreme of actuating lever 12 is equipped with the reset spring 19 of guaranteeing curve roller bearing 121 and translation cam 11 laminating, the lower extreme of actuating lever 12 is equipped with first reference column 122, be equipped with first locating hole on the first reference column 122, be equipped with second reference column 191 on the film packagine machine, be equipped with the second locating hole on the second reference column 191, reset spring 19 establishes between first locating hole and second locating hole, when translation cam 11 is in the minimum, reset spring 19 is in original state, under the other state, reset spring 19 all is in tensile state, guarantee under reset spring 19's effect, curve roller bearing 121 is closely laminated with translation cam 11 all the time, realize translation cam 11 to the drive of actuating lever 12.

Preferably, the connecting rod 13 includes a middle fixing body 131 and end bearing joints 132 arranged at two ends of the fixing body 131, the end bearing joints 132 are in threaded connection with the fixing body 131, the end bearing joints 132, the driving rod 12 and the clamping block 14 are of hinged structures, the fixing body 131 is of a regular polyhedron structure, clamping is convenient, the connecting rod 13 of the structure is arranged, the middle fixing body 131 is adjusted, the length can be prolonged and shortened, connection and fixation are convenient, machining errors are compensated, and assembly efficiency is improved.

Preferably, the clamping plate 16 is vertically arranged, the contact area between the clamping plate 16 and the packaging box is increased, the vertical distance between the symmetrically arranged clamping plates 16 is equal to the length of the packaging box to be packaged, the adjusting plate 15 is arranged between the clamping plate 16 and the clamping block 14, the clamping block 14 is slidably connected with the fixing frame through the linear rail structure, the relative motion precision is improved, one end of the adjusting plate 15 is fixed with the clamping block 14 through the long-strip hole 151, the clamping plate 16 is fixedly arranged at the other end of the adjusting plate 15, the upper end of the forming plate 10 is provided with the adjusting plate 15 and the long-strip hole 151, the adjustment of the clamping plate 16 is facilitated, and the convenience of adjustment is improved.

Preferably, the longitudinal central line of the strip hole 151 is perpendicular to the conveying direction of the film packaging machine, so that the adjustment of the relative width of the clamping plate 16 is realized, the device is suitable for back pressing corner folding actions of packaging boxes with different specifications, the four corners of the clamping plate 16 are provided with the avoidance fillets 161, the appearance of the packaging boxes is prevented from being scratched, and the qualification rate of products is improved.

Preferably, the clamping block 14 is provided with a limit groove 141, one end of the adjusting block is arranged in the limit groove 141 and is in clearance fit with the limit groove, a longitudinal central line of the limit groove 141 is parallel to a longitudinal central line of the strip hole 151, after the limit groove 141 is arranged, the adjusting plate 15 can be quickly placed into the clamping block 14 in the actual installation process, the accuracy is high, and the assembly effect and the positioning accuracy are improved.

Preferably, a driven pulley 17 and a manual adjusting chain wheel 18 are coaxially arranged with the translational cam 11, the driven pulley 17 is driven to rotate through a motor and pulley structure, continuous movement of the translational cam 11 is achieved, the manual adjusting chain wheel 18 is matched with a driving chain wheel 183 through a chain, the driving chain wheel 183 is driven through a hand wheel 182, the driving chain wheel 183 is arranged on a fixed seat 181 and is rotationally connected with the fixed seat 181, normal movement of the translational cam 11 is achieved through the manual adjusting chain wheel 18, manual testing and adjustment can be carried out firstly, clamping force of a clamping plate 16 on packaging and is convenient to adjust, and stability and firmness of clamping are guaranteed; more preferably, the fixing base 181 is provided with a long adjusting hole 1811, the longitudinal center line of the adjusting hole 1811 is perpendicular to the longitudinal center line of the long hole 151, after the adjusting hole 1811 is provided, the position of the fixing base 181 can be conveniently adjusted, the adjustment of the relative position relationship between the driving sprocket 183 and the manual adjusting sprocket 18 is realized, the compensation of processing errors is facilitated, and the assembly effect is improved.

As shown in fig. 15 to 19, the leveling assembly 30 includes a lower shovel cam 31, a driving bearing 32 and a lifting frame 33, the lower shovel cam 31 is rotatably connected to a fixed frame of the film packaging machine, the lower shovel cam 31 is a grooved pulley of a flat plate structure, the driving bearing 32 is cooperatively arranged with the lower shovel cam 31 and is driven to move up and down by the lower shovel cam 31, the lower end of the lifting frame 33 is rotatably connected with the driving bearing 32, a line rail for guiding the upward and downward movement of the lifting frame 33 is arranged on the side surface of the lifting frame 33, a lower shovel plate 36 is arranged at the upper end of the lifting frame 33, the lower shovel plate 36 is arranged to penetrate through the forming plate 10, the lower shovel cam 31 and the driving bearing 32 are cooperatively arranged, the rotation of the lower shovel cam 31 drives the driving bearing 32 to move, the upward and downward reciprocating movement of the lifting frame 33 is further driven to reciprocate up and down, and the line rail is simultaneously arranged, so that the high-precision upward and downward reciprocating movement of the lifting frame 33 is ensured, the leveling and the leveling of the film outside the packaging box passing over the lower shovel plate 36 is ensured, and the quality of the packaging film is improved, and the subsequent heat sealing quality is also improved.

Preferably, the first sprocket 311 is coaxially arranged with the lower shovel cam 31, the first sprocket 311 is arranged on one side of the lower shovel cam 31 away from the driving bearing 32, the first sprocket 311 is matched with the second sprocket 312 through a chain structure and synchronously rotates with the second sprocket 312, the second sprocket 312 is driven to rotate through a motor, and the second sprocket is driven through a sprocket mechanism, so that the structure is more compact due to arrangement and layout of the structure, motor driving is directly adopted relatively, and occupied space is smaller.

Preferably, an adjusting chain wheel 313 which is matched with the adjusting chain wheel and can adjust tightness of the adjusting chain wheel is arranged in the chain, the adjusting chain wheel 313 is arranged on a supporting plate 314, the supporting plate 314 is fixed on a fixing frame of the film packaging machine, an adjusting long hole 3141 for realizing horizontal adjustment of the adjusting chain wheel 313 is formed in the supporting plate 314, after the adjusting chain wheel 313 is arranged, the tightness of the chain can be guaranteed by adjusting the position of the adjusting chain wheel 313 relative to a paperboard, and the effectiveness of the transmission power of the chain is guaranteed.

Preferably, the forming plate 10 is provided with a position-avoiding long hole, the lower shovel plate 36 is arranged through the position-avoiding long hole protruding upwards from the forming plate 10, the upper end of the lower shovel plate 36 is provided with an arc-shaped bending part 363, the bending part 363 is arranged towards the feed inlet, the width of the lower shovel plate 36 is greater than or equal to that of a film, the upper end of the bending part 363 is provided with a pressing and smoothing function, and the arc-shaped upper shovel plate is attractive and does not scratch the film, so that the qualification rate of products is improved.

Preferably, the wire rail is fixedly arranged on the vertical plate 331, the vertical plate 331 is fixedly connected with a fixing frame of the film packaging machine, an L-shaped lower shovel seat 34 is arranged at the upper end of the lifting frame 33, a lower shovel frame 35 is fixedly arranged at the upper end of the lower shovel seat 34, a lower shovel plate 36 is hinged on the lower shovel frame 35, a limiting plate 362 is arranged at one side, far away from the bending part 363, of the lower shovel plate 36, the limiting plate 362 is attached to the lower shovel frame 35, a torsion spring 361 for guaranteeing attachment of the lower shovel plate 36 to the forming plate 10 is arranged between the lower shovel frame 35 and the lower shovel plate 36, the torsion spring 361 is arranged at one side, far away from the limiting plate 362, of the lower shovel frame 35, the lower shovel seat 34 and the lower shovel frame 35 are arranged, the fixed installation of the lower shovel plate 36 and the lifting frame 33 is changed into an adjustable assembly structure, parts are independently processed, the processing cost is reduced, the arranged torsion spring 361 can guarantee the verticality of the lower shovel plate 36, meanwhile, the limiting plate 362 is prevented from being out of position by the lower shovel plate 36, and the positioning accuracy is guaranteed.

Preferably, be equipped with vertical first rectangular hole 341 on lower shovel seat 34, lower shovel seat 34 and hoisting frame 33 are through establishing the screw fixed connection in first rectangular hole 341, set up behind the first rectangular hole 341, conveniently adjust the upper and lower high problem of lower shovel seat 34 relative hoisting frame 33, guarantee the settlement height of shovel board 36 down, set up with the packing carton cooperation, the jack-up is too many, the packing carton is easy to transmit unstably, the jack-up is too few to play and smoothes the effect of arranging, set up convenient regulation of first rectangular hole 341, compensate machining error, promote the efficiency of assembly debugging.

Preferably, a plurality of parallel carding grooves 101 are arranged on one side, far away from the bending part 363, of the forming plate 10, the arrangement direction of the carding grooves 101 is consistent with the transmission direction of a to-be-packaged box, after the carding grooves 101 are arranged, the carding grooves 101 play a role in further carding, guiding and smoothing films in the packaging and forward transmission process, and the quality of the film is improved just like the functional principle of comb carding.

In the actual working process, the packaging box sequentially passes through the leading-in component and the rear corner folding component, the pressing plate is arranged above the leading-in component, the packaging box enters between the first pushing plate and the pressing plate in the process of conveying the packaging box, the flattening effect on the packaging box is finished, after flattening and positioning, the first pushing plate moves forwards with the packaging box under the action of the leading-in component, the sagging film protects the packaging box in the moving process after moving to the next station, the lower end of the film is flattened in the forward pushing process due to the inclined arrangement of the first pushing plate, then the heat sealing component heat seals the front end of the packaging box, the packaging box continues to be conveyed forwards, then under the prerequisite of the forward motion of back tuck subassembly, the film is accomplished back tuck action, continue the in-process of conveying, heat-seal subassembly rises, the lower extreme of the packing carton of the bight that is equipped with on the lower shovel board smoothes, the in-process of packing carton forward transmission, heat-seal subassembly descends, heat-seal packing and rear end, and then the heat-seal of two terminal surfaces of packing carton has been accomplished, the packing carton is constantly pushed to next process after entering into the shaping board, the operation of whole structure is driven by same driving source motor, realize the transmission of equidirectional power through gear structure, band pulley mechanism or sprocket mechanism, make the structure compacter, occupation space is littleer, manufacturing cost is lower.

The working process of the lead-in assembly is as follows: the motor and the gear mechanism drive the driving gear 292 to rotate, the driving gear 292 drives the driving shaft 291 to rotate, the driving shaft 291 rotates and drives the third sliding block to rotate through the driving connecting rod 29, the third sliding block is matched with the small sliding plate 23, the third sliding block drives the small sliding plate 23 to rotate while sliding in the small sliding plate 23, meanwhile, the connecting rod shaft 22 coaxial with the small sliding plate 23 rotates, when the connecting rod shaft 22 rotates, the second sliding block 221 is driven to rotate, the upper end of the stirring guide plate 24 swings, the translation distance of the guide plate 24 is converted into the horizontal movement of the translation plate 26, meanwhile, the movement precision of the translation plate 26 is guaranteed under the action of the guide wire rail 262, the guide plate 24 changes up and down in the swinging process, and the condition that the guide plate 24 only drives the translation plate 26 to horizontally move is met through the matching and the up and down movement of the first sliding block 25 and the first guide groove 261. The structure converts the rotation of the parts into horizontal movement through the driving of the motor, and the whole structure is of a mechanical structure, so that the structure has stable performance, low failure rate, continuous operation and low maintenance cost in the later period.

The working process of the back corner folding component is as follows: firstly, manual debugging is carried out, the distance between symmetrically arranged clamping plates 16 is set according to the length of a to-be-packaged box, the relative distance between the clamping plates 16 is changed and adjusted by adjusting the positions of the adjusting plates 15 relative to the clamping blocks 14, the clamping plates 16 arranged at two sides are ensured to correspond to films on the end faces of the packaging box in the forward movement process, the back-to-back pressing and smoothing corner action is realized, meanwhile, the connection between the driving rod 12 and the clamping blocks 14 is realized by adjusting the positions of the end bearing joints 132 at two ends of the connecting rod 13 relative to the fixed body 131, the machining error is compensated, the assembly efficiency is improved, after the assembly is finished, the position of the rear driving sprocket 183 is set, the translation cam 11 is driven to rotate by the hand wheel 182, the curve roller bearing 121 is matched with the translation cam 11 in the rotation process, and when the corresponding translation cam 11 is high-point, the actuating lever 12 moves to the right side, and then drives the clamping block 14, the adjusting plate 15 and the clamping plate 16 to move to the right side, the back corner of the packing box is realized, along with the continuous rotation of the translation cam 11, when the translation cam 11 rotates to the low point, the plate cam 11 resets under the action of the reset spring 19, meanwhile, the curve roller bearing 121 and the translation cam 11 are guaranteed to be in a close fit state, the resetting process is the process that the clamping block 14, the clamping plate 16 and the adjusting plate 15 move to the left side, the reciprocating motion is realized, the repeated back corner-folding motion of the packing box is realized, the whole structure adopts a cam mechanism, the rotation of the cam is converted into the horizontal motion of the clamping plate 16, the pure mechanical driving is realized, the performance is stable and reliable, the motion is more accurate, the stability is high, the fault rate is low, the continuous operation is realized, and the later maintenance cost is also lower.

The action process of the smoothing component is as follows: the motor drives the second sprocket 312 to rotate, under the effect of chain, first sprocket 311 and second sprocket 312 synchronous rotation, first sprocket 311 pivoted in-process drives shovel cam 31 rotation down, shovel cam 31 and drive bearing 32 cooperation set up, the low point of shovel cam 31 down, drive bearing 32 is located the below, at the high point of shovel cam 31 down, drive bearing 32 is located the top, drive bearing 32 up-and-down motion, drive rather than articulated hoisting frame 33 up-and-down motion, the in-process of hoisting frame 33 up-and-down motion, drive shovel board 36 up-and-down motion, accomplish the smooth and press cover to box body outside film, owing to be equipped with bending 363 and orientation feed inlet on the shovel board 36, in the continuous in-process of carrying of feed, bending 363 smoothes the lower extreme of box body, after the smooth, the heat-seal efficiency of film packaging has been promoted, and the quality is promoted simultaneously, the tectorial membrane effect is better, the product is more pleasing to the eye.

The foregoing describes one embodiment of the present invention in detail, but the disclosure is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.

Claims (6)

1. Film packaging is with transmission switching equipment, its characterized in that: the packaging box sequentially passes through the flattening assembly, the leading-in assembly, the rear corner smoothing assembly and the flattening assembly and enters the next working procedure after passing through the heat sealing assembly;

the flattening assembly comprises a first belt wheel for driving the flattening assembly to rotate, the guiding assembly comprises a driving gear for driving the guiding assembly to rotate, the rear corner assembly comprises a driven belt wheel for driving the flattening assembly to rotate, the flattening assembly comprises a second chain wheel for driving the flattening assembly to rotate, the heat sealing assembly comprises a first chain wheel for driving the first chain wheel to rotate, the driven belt wheel and the second chain wheel are coaxially arranged and are both arranged on a first transmission shaft, the second chain wheel and the first chain wheel are connected through a chain and synchronously rotate, the first belt wheel and the driven belt wheel are connected through a belt and synchronously rotate, the first transmission shaft is meshed with the driving gear through a second transmission shaft and a gear mechanism to realize synchronous rotation, and the second transmission shaft is in rotary connection with a film fixing frame relatively; the leveling assembly comprises a lower shovel cam, a driving bearing and a lifting frame, wherein the lower shovel cam is rotationally connected to a fixing frame of the film packaging machine, the lower shovel cam is a grooved pulley of a flat plate structure, the driving bearing is matched with the lower shovel cam and is driven by the lower shovel cam to move up and down, the lower end of the lifting frame is rotationally connected with the driving bearing, a wire rail for guiding the upper and lower movement of the lifting frame is arranged on the side surface of the lifting frame, a lower shovel plate is arranged at the upper end of the lifting frame, and the lower shovel plate upwards penetrates out of the forming plate; the first chain wheel is arranged on one side, far away from the driving bearing, of the lower shovel cam, the first chain wheel is matched with the second chain wheel through a chain structure and rotates synchronously with the second chain wheel, the second chain wheel is driven by a motor to rotate, an adjusting chain wheel which is matched with the second chain wheel and can adjust tightness of the second chain wheel is arranged in the second chain wheel, the adjusting chain wheel is arranged on a support plate, the support plate is fixed on a fixing frame of the film packaging machine, and an adjusting long hole for realizing horizontal adjustment of the adjusting chain wheel is formed in the support plate;

The guide assembly comprises a slide plate seat, two sides of the upper end of the slide plate seat are provided with a small coaxial slide plate and a connecting rod shaft, the lower end of the slide plate seat and the lower end of the same side of the connecting rod shaft are hinged with the lower end of a guide plate, the upper end of the guide plate is provided with a first slide block, the first slide block is arranged in a first guide groove on a translation plate and is connected with the first slide block in a vertical sliding manner, one end of the connecting rod shaft, far away from the slide plate seat, is provided with a second slide block, the second slide block is connected with the guide plate in a vertical sliding manner, the small slide plate is provided with a third guide groove, and a third slide block is arranged in the third guide groove and is driven by a driving connecting rod to drive the small slide plate to rotate;

the back corner folding assembly comprises clamping assemblies symmetrically arranged on two sides of the film packaging machine, each clamping assembly comprises a translation cam, a driving rod, a connecting rod and a clamping block, each translation cam is arranged on a fixing frame of the film packaging machine and is rotationally connected with the fixing frame, the lower end of each driving rod is hinged to the fixing frame, a curve roller bearing matched with the translation cam is arranged in the middle of each driving rod, the upper end of each driving rod is hinged to one end of each connecting rod, the other end of each connecting rod is hinged to the corresponding clamping block, each clamping block is in sliding connection with the fixing frame, a clamping plate for fixing and clamping the packaging box is arranged on each clamping block, and a reset spring for guaranteeing the fit between each curve roller bearing and each translation cam is arranged at the lower end of each driving rod.

2. The transfer adapter device for film packaging according to claim 1, wherein: the shaping board is provided with a position avoidance slot hole, the lower shovel board passes through the position avoidance slot hole protrudes upwards the shaping board sets up, the upper end of lower shovel board is equipped with curved bending part, bending part orientation feed inlet sets up, the line rail sets firmly on the riser, riser and film packaging machine's mount fixed connection, the upper end of hoisting frame is equipped with the lower shovel seat of L type, lower shovel seat upper end has set firmly down the shovel frame, lower shovel board articulates on lower shovel frame, lower shovel board lower extreme is kept away from one side of bending part is equipped with the limiting plate, the limiting plate with lower shovel frame laminating, lower shovel frame with be equipped with the assurance down shovel board with the torsional spring of shaping board laminating down between the shovel board, the torsional spring is established down shovel frame is kept away from one side of limiting plate down, be equipped with vertical first rectangular hole on the shovel seat down, lower shovel seat and hoisting frame are through establishing screw fixed connection in the first rectangular downthehole.

3. The transfer adapter device for film packaging according to claim 1, wherein: the third slider is the T type, the third slider is fixed the one end of drive connecting rod, the other end of drive connecting rod is fixed in the drive shaft and rotates along with the drive shaft, the drive shaft is established on film packagine machine and the two rotates to be connected, be equipped with the driving gear in the drive shaft, the driving gear is rotated by motor and gear mechanism drive, the second slider is including the first slide and the second slide of package assembly, the centre of baffle is equipped with keeps away the position groove, the part that the baffle is located keep away the position groove both sides passes the second slider sets up and two sliding connection, the both ends that keep away the position groove length are equipped with first position breach that keeps away, the third guide way is kept away from the one end of slide seat is equipped with the second and keeps away the position breach.

4. The transfer adapter device for film packaging according to claim 1, wherein: the translation board is kept away from one side of baffle is equipped with the direction line rail, the setting direction of direction line rail with the direction of movement of translation board is unanimous, the baffle is kept away from one side of slide seat is equipped with lubricating oil pipe, lubricating oil pipe follows the lower extreme setting of baffle, upwards extend to with first slider center intercommunication, the both sides of first slider are equipped with the lubrication groove, be equipped with the oil guide hole with first slider center intercommunication on the lubrication groove, lubricating oil pipe's lower extreme and outside oil supply device intercommunication.

5. The transfer adapter device for film packaging according to claim 1, wherein: the vertical setting of clamping plate, the vertical distance between the clamping plate that the symmetry set up equals the length of waiting the packing carton, the clamping plate with be equipped with the regulating plate between the clamping block, clamping block passes through line rail structure sliding connection with the mount, the one end of regulating plate is fixed with the clamping block through rectangular hole, and the clamping plate is fixed firmly to the other end, the upper end at the shaping board is established to the clamping plate, the longitudinal central line perpendicular to film packaging machine's of rectangular hole direction of delivery sets up, the four corners of clamping plate is equipped with keeps away the position fillet, be equipped with the spacing groove on the clamping block, the one end of regulating plate is established in the spacing inslot and two clearance fit, the longitudinal central line of spacing groove with the longitudinal central line parallel arrangement of rectangular hole.

6. The transfer and switching device for film packaging according to claim 5, wherein: the connecting rod includes the middle fixed body and establishes the tip bearing festival at fixed body both ends, the tip bearing festival with the equal threaded connection of fixed body, tip bearing festival and actuating lever and clamping piece are hinge structure, the fixed body is regular polyhedron structure, with translation cam coaxial driven pulley and manual regulation sprocket that is provided with, driven pulley passes through motor and pulley structure drive rotation, manual regulation sprocket passes through chain and driving sprocket cooperation setting, driving sprocket passes through the hand wheel drive, driving sprocket establishes on the fixing base and the two rotates to be connected, be equipped with rectangular regulation hole on the fixing base, the fore-and-aft central line of regulation hole with rectangular hole fore-and-aft central line sets up perpendicularly.