CN217049204U

CN217049204U - Longitudinal sealing film drawing mechanism

Info

Publication number: CN217049204U
Application number: CN202220854138.8U
Authority: CN
Inventors: 杨传江
Original assignee: Sichuan Kesite Automation Equipment Co ltd
Current assignee: Sichuan Kesite Automation Equipment Co ltd
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2022-07-26
Anticipated expiration: 2032-04-12

Abstract

The utility model discloses a indulge and seal and draw membrane mechanism, which comprises a base plate, the initiative is drawn membrane module, driven drawing membrane module, hold-down mechanism and cutting device, install fixed initiative on the base plate and draw membrane module complex driven drawing membrane module with the initiative, the initiative is drawn membrane module and is included the bearing frame, draw the membrane axle, the driving gear, draw the membrane wheel certainly, and a support, step motor, synchronizing wheel and hold-in range, driven drawing membrane module includes the leading truck, the guide axle, a slide, a rotating shaft, driven gear and move and draw the membrane wheel, it draws the membrane wheel to move to be kept away from and installs on the base plate of drawing membrane wheel one side certainly and drives the pivot and be close to or keep away from two sets of hold-down mechanism who draws the membrane wheel, install the cutting device of cutting film between two sets of hold-down mechanism. The utility model discloses a set up two sets of hold-down mechanism and drive driven drawing membrane module and draw membrane module near the initiative to guarantee to decide to draw the membrane wheel and move the frictional force that draws between the membrane wheel, guarantee to draw the reliability of membrane, can also adjust according to thick the membrane simultaneously, improve the accommodation who draws the membrane.

Description

Longitudinal sealing film drawing mechanism

Technical Field

The utility model relates to the field of packaging machinery, especially, relate to a indulge and seal drawing membrane mechanism.

Background

The packagine machine is the mechanical equipment who carries out the packing to the product, and some products need carry out the canning through the membrane, consequently need seal the membrane, and present drawing membrane equipment if will realize drawing the membrane and sealing and need can realize this purpose through the cooperation of a plurality of equipment, and use a plurality of equipment to increase manufacturing cost undoubtedly, consequently need one kind seal and draw the multi-functional equipment of drawing the membrane that the membrane combines together.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a indulge and seal and draw membrane mechanism, should draw membrane mechanism can realize drawing the membrane simultaneously and seal the operation.

The utility model aims at realizing through the following technical scheme:

the utility model provides a indulge and seal and draw membrane mechanism, includes the base plate, initiatively draws membrane module, driven membrane module, hold-down mechanism and cutting device that draws, install on the base plate that fixed initiative is drawn membrane module and is drawn membrane module complex driven membrane module with the initiative, the initiative is drawn membrane module and is included the bearing frame, is drawn membrane axle, driving gear, surely draw membrane wheel, support, step motor, synchronizing wheel and hold-in range, installs two bearing frames on the base plate side by side, all installs on every bearing frame and is drawn the membrane axle, draws the both ends of membrane axle to be located the base plate both sides, draws the both ends of membrane axle to install driving gear and surely draw the membrane wheel respectively, installs the supporting seat that supports step motor on the base plate of driving gear one side, step motor's output shaft and two draw and install the synchronizing wheel of mutually supporting on the membrane axle, connect through the hold-in range between a plurality of synchronizing wheels, driven membrane module that draws includes the leading truck, Guide shaft, slide, pivot, driven gear and move and draw the membrane wheel, the leading truck is installed on the base plate, installs many parallel arrangement's guide shaft on the leading truck, installs two on many guide shafts and draws the slide that the membrane axle aligns, the slide passes through the bearing and installs on the slide and the pivot is parallel with drawing the membrane axle, processing has on the base plate to dodge the mouth with the pivot complex, and the pivot both ends are installed respectively with driving gear complex driven gear and with draw membrane wheel complex to move and draw the membrane wheel surely, move and draw the membrane wheel to keep away from surely to install on drawing the base plate of membrane wheel one side and drive the pivot and be close to or keep away from two sets of hold-down mechanism who draws the membrane wheel, install the cutting device who cuts the membrane between two sets of hold-down mechanism.

Hold-down mechanism includes fixed block, pull rod, adjusting bolt, adjusting nut, sleeve, spring and separation and reunion spanner, and the fixed block is installed in the pivot and is kept away from on the base plate of drawing membrane axle one side, installs the adjusting bolt parallel with the guide shaft on the fixed block is close to the lateral wall of pivot, and adjusting bolt cavity, its inside cover are equipped with the pull rod, and pull rod one end is connected with the suit and is changeed epaxial sleeve, and separation and reunion spanner is installed to the other end, the outside threaded connection of adjusting bolt has adjusting nut, and the cover is equipped with on the pull rod between adjusting nut and the sleeve and promotes the pivot and is close to the spring of drawing membrane axle, separation and reunion spanner leans on with the fixed block under the effect of spring to connect, and separation and reunion spanner is the U type, and separation and reunion spanner is close to drawing membrane axle with the pivot when the pull rod is perpendicular, and separation and reunion spanner keeps away from the membrane axle with the pivot when the pull rod is parallel.

The shutdown mechanism includes fixed plate, ultrasonic exciter, cylinder, support and cutting knife, installs the fixed plate on two base plates of deciding to draw membrane wheel one side, installs the ultrasonic exciter on the fixed plate, moves for two and installs the cylinder on the base plate of drawing membrane wheel one side, installs the support of fixed cutting knife on the output shaft of cylinder, and the cutting knife after the cylinder stretches out draws membrane wheel and moves to draw the ultrasonic head on the membrane wheel and draw the butt joint between the membrane wheel at deciding.

The fixed plate is provided with an adjusting plate, and the ultrasonic exciter is arranged on the adjusting plate.

The utility model provides a indulge and seal beneficial effect that draws membrane mechanism has is:

(1) two groups of pressing mechanisms are arranged to drive the driven film drawing assembly to abut against the driving film drawing assembly, so that the friction force between the fixed film drawing wheel and the movable film drawing wheel is ensured, the reliability of the drawn film is ensured, and meanwhile, the film drawing device can be adjusted according to the film thickness, so that the application range of the drawn film is improved;

(2) the pressing mechanism is arranged on the base plate close to one side of the movable film drawing wheel, so that the pressing mechanism is convenient to operate, and meanwhile, the meshing of the driving gear and the driven gear can be avoided from being influenced, on one hand, the pressing mechanism is convenient to operate, on the other hand, the friction force between the fixed film drawing wheel and the movable film drawing wheel can be ensured, and the problems of film drawing deviation and film running out of the film drawing wheel are avoided;

(3) through drawing the membrane wheel surely and drawing the installation shutdown mechanism between the membrane wheel with moving, the membrane can be tightened when membrane wheel send the membrane with moving drawing the membrane wheel surely to the usable membrane wheel of drawing surely, makes the cutting more stable, can reduce the size of indulging to seal simultaneously and drawing membrane mechanism, improves its application scope.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on these drawings without inventive efforts.

Fig. 1 is a schematic structural diagram i according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram ii provided in the embodiment of the present invention.

Fig. 3 is a side view provided by an embodiment of the present invention.

Fig. 4 is a bottom view provided in the embodiment of the present invention.

Fig. 5 is an internal schematic structural diagram of the pressing mechanism provided by the embodiment of the present invention.

Reference numerals: 1. a substrate; 11. avoiding the mouth; 2. actively drawing the film assembly; 21. a bearing seat; 22. drawing a film shaft; 23. a driving gear; 24. a film fixing and pulling wheel; 25. a support; 26. a stepping motor; 27. a synchronizing wheel; 28. a synchronous belt; 3. a driven film drawing assembly; 31. a guide frame; 32. a guide shaft; 33. a slide base; 34. a rotating shaft; 35. a driven gear; 36. a film moving and drawing wheel; 4. a hold-down mechanism; 41. a fixed block; 42. a pull rod; 43. adjusting the bolt; 44. adjusting the nut; 45. a sleeve; 46. a spring; 47. a clutch wrench; 5. a cutting device; 51. a fixing plate; 52. an adjusting plate; 53. an ultrasonic exciter; 54. a cylinder; 55. a support; 56. and (7) cutting the knife.

Detailed Description

Examples

As shown in fig. 1 to 5, the longitudinal sealing film drawing mechanism provided in this embodiment includes a substrate 1, a driving film drawing assembly 2, a driven film drawing assembly 3, a pressing mechanism 4, and a cutting device 5, the substrate 1 is provided with the fixed driving film drawing assembly 2 and the driven film drawing assembly 3 matched with the driving film drawing assembly 2, the driving film drawing assembly 2 includes a bearing seat 21, a film drawing shaft 22, a driving gear 23, a fixed film drawing wheel 24, a bracket 25, a stepping motor 26, a synchronizing wheel 27, and a synchronous belt 28, the substrate 1 is provided with two bearing seats 21 side by side, each bearing seat 21 is provided with the film drawing shaft 22, two ends of the film drawing shaft 22 are located at two sides of the substrate 1, two ends of the film drawing shaft 22 are respectively provided with the driving gear 23 and the fixed film drawing wheel 24, the substrate 1 at one side of the driving gear 23 is provided with a supporting seat for supporting the stepping motor 26, an output shaft of the stepping motor 26 and two synchronizing wheels 27 matched with each other are provided on the film drawing shaft 22, connect through hold-in range 28 between a plurality of synchronizing wheels 27, leave the interval between two driving gear 23 and two draw membrane wheel 24 surely to avoid colliding, driven draw membrane module 3 to include leading truck 31, guide shaft 32, slide 33, pivot 34, driven gear 35 and move and draw membrane wheel 36, leading truck 31 installs on base plate 1, installs four parallel arrangement's guide shaft 32 on the leading truck 31, installs two on four guide shaft 32 and draws the slide 33 that membrane axle 22 aligns, and every slide 33 cooperatees with drawing membrane axle 22 with corresponding, slide 33 passes through the bearing and installs on slide 33 and pivot 34 and draw membrane axle 22 to be parallel, processing has on base plate 1 dodges mouthful 11 with pivot 34 complex, and pivot 34 both ends are installed respectively and are drawn membrane wheel 36 with deciding to draw membrane wheel 24 complex movable with driving gear 35, move and draw membrane wheel 36 to install on base plate 1 that draw membrane wheel 24 one side to keep away from deciding to draw membrane wheel 24 and drive pivot 34 and be close to or keep away from two sets of drawing membrane wheel The pressing mechanism 4 can drive the corresponding rotating shaft 34 to move towards the film drawing shaft 22, the pressing mechanism 4 comprises a fixing block 41, a pull rod 42, an adjusting bolt 43, an adjusting nut 44, a sleeve 45, a spring 46 and a clutch wrench 47, the fixing block 41 is installed on the substrate 1 on one side of the rotating shaft 34 far away from the film drawing shaft 22, the adjusting bolt 43 parallel to the guide shaft 32 is installed on the side wall of the fixing block 41 close to the rotating shaft 34, the adjusting bolt 43 is hollow, the pull rod 42 is sleeved in the adjusting bolt 43, one end of the pull rod 42 is connected with the sleeve 45 sleeved on the rotating shaft 34, a bearing is installed in the sleeve 45 to enable the rotating shaft 34 to rotate freely, the clutch wrench 47 is installed at the other end of the pull rod 43, the adjusting nut 44 is connected with the adjusting nut 44 through threads outside the adjusting bolt 44, the position of the adjusting nut 44 on the adjusting bolt 43 can be adjusted through rotation, the spring 46 for pushing the rotating shaft 34 to be close to the film drawing shaft 22 is sleeved on the pull rod 42 between the adjusting nut 44 and the sleeve 45, the tensioning force of the spring 46 can be controlled under the action of the adjusting nut 44, so that the pressure between the film fixing and pulling wheel 24 and the film moving and pulling wheel 36 is controlled, the situation that a certain of films with smaller tensioning force values are damaged due to large tension and the situation that the film pulling is inaccurate due to insufficient friction force between the film fixing and pulling wheel 24 and the film moving and pulling wheel 36 due to small pressure are avoided, the clutch wrench 47 is abutted to the fixed block 41 under the action of the spring 46, the clutch wrench 47 is U-shaped, the rotating shaft 34 is close to the film pulling shaft 22 when the U-shaped clutch wrench 47 is perpendicular to the pull rod 42, the rotating shaft 34 is far away from the film pulling shaft 22 when the U-shaped clutch wrench 47 is parallel to the pull rod 42, the film cutting device 5 is installed between the two groups of pressing mechanisms 4, the cutting mechanism comprises a fixed plate 51, an ultrasonic wave exciter 53, an air cylinder 54, a support 55 and a cutting knife 56, an adjusting plate 52 is arranged on the fixed plate 51, the ultrasonic exciter 53 is installed on the adjusting plate 52, the film cutting device can be adjusted according to a film sealing opening, meanwhile, the ultrasonic exciter 53 has a simple structure, driving action is not needed, and control is simple, the fixed plate 51 is installed on the substrate 1 on one side of the two fixed film drawing wheels 24, the ultrasonic exciter 53 is installed on the fixed plate 51, the air cylinder 54 is installed on the substrate 1 on one side of the two movable film drawing wheels 36, the support 55 for fixing the cutting knife 56 is installed on the output shaft of the air cylinder 54, the cutting knife 56 extending out of the air cylinder 54 is abutted against the ultrasonic head on the ultrasonic exciter 53 between the fixed film drawing wheels 24 and the movable film drawing wheels 36, so that the sealed film can be conveniently cut off the films tightened by the two groups of movable film drawing wheels 36 and the fixed film drawing wheels 24 through the cutting knife 56, and in order to ensure that the films after the cutting knife 56 is cut cannot deviate, the cutting knife 56 is positioned in the middle of the movable film drawing wheels 36.

The utility model discloses a use method is:

when the film drawing device is used, the two clutch wrenches 47 are rotated to draw the pull rod 42 back, the pull rod 42 pulls the sleeve 45 to move backwards, the rotating shaft 34 is far away from the film drawing shaft 22, the movable film drawing wheel 36 is separated from the fixed film drawing wheel 24, the spring 46 is compressed, then the film is drawn out and is installed between the two movable film drawing wheels 36 and the fixed film drawing wheel 24, then the clutch wrenches 47 are rotated reversely, the spring 46 restores the state to push the pull rod 42 to move towards the film drawing shaft 22, the movable film drawing wheel 36 is in contact with the fixed film drawing wheel 24, the driven gear 35 is meshed with the driving gear 23, then the stepping motor 26 is started, the stepping motor 26 drives the synchronizing wheel 27 to rotate, the synchronizing wheel 27 installed on the film drawing shaft 22 is driven by the synchronizing belt 28 to rotate the film drawing shaft 22, when the film drawing shaft 22 rotates, the driving gear 23 and the fixed film drawing wheel 24 rotate along with each other, and the driven gear 35 is meshed with the driving gear 23 and rotates reversely, thereby drive pivot 34 and install and move and draw the membrane wheel 36 in pivot 34 and reverse rotation, the packaging film is pulled out from deciding between drawing membrane wheel 24 and moving and drawing the membrane wheel 36, accomplishes and draws the membrane operation, and cylinder 54 stretches out simultaneously, drives cutting knife 56 through support 55 and moves towards ultrasonic activator 53 when cylinder 54 stretches out, and ultrasonic activator 53 realizes the effect of sealing to the membrane, and cutting knife 56 will seal the membrane after, thereby realizes sealing and the cutting function.

When the film is installed, the pressure between the film drawing wheel 24 and the movable film drawing wheel 36 can be adjusted by rotating the position of the adjusting nut 44 on the adjusting bolt 43 so as to deal with the film drawing operation of different types of films, meanwhile, when the film is penetrated, the separation of the driving gear 23 and the driven gear 35 and the separation of the fixed film drawing wheel 24 and the movable film drawing wheel 36 can be completed by rotating the clutch wrench 47, and the U-shaped clutch wrench 47 can keep the clutch state, so that an operator does not need to press the clutch wrench 47 all the time by hands, and the convenience of operation is improved.

The above is only the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and the utility model should be covered in the protection scope of the present invention. It should be noted that the structures or components illustrated in the drawings are not necessarily drawn to scale, and descriptions of well-known components and processing techniques and technologies are omitted so as to not unnecessarily limit the invention.

Claims

1. The utility model provides a indulge and seal and draw membrane mechanism, includes the base plate, initiatively draws membrane module, driven membrane module, hold-down mechanism and cutting device that draws, install on the base plate that fixed initiative is drawn membrane module and is drawn membrane module complex driven membrane module with the initiative, the initiative is drawn membrane module and is included the bearing frame, is drawn membrane axle, driving gear, surely draw membrane wheel, support, step motor, synchronizing wheel and hold-in range, installs two bearing frames on the base plate side by side, all installs on every bearing frame and is drawn the membrane axle, draws the both ends of membrane axle to be located the base plate both sides, draws the both ends of membrane axle to install driving gear and surely draw the membrane wheel respectively, installs the supporting seat that supports step motor on the base plate of driving gear one side, step motor's output shaft and two draw and install the synchronizing wheel of mutually supporting on the membrane axle, connect through the hold-in range between a plurality of synchronizing wheels, driven membrane module that draws includes the leading truck, Guide shaft, slide, pivot, driven gear and move and draw the membrane wheel, the leading truck is installed on the base plate, installs many parallel arrangement's guide shaft on the leading truck, installs two on many guide shafts and draws the slide that the membrane axle aligns, the slide passes through the bearing to be installed on the slide and the pivot with draw the membrane axle parallel, processing has on the base plate to dodge the mouth with the pivot complex, and the pivot both ends are installed respectively and are drawn membrane wheel complex with driving gear complex driven gear and with deciding and draw membrane wheel complex to move and draw membrane wheel, its characterized in that: and two groups of pressing mechanisms for driving the rotating shaft to be close to or far away from the film drawing wheel are arranged on the substrate on one side of the film moving and drawing wheel far away from the film fixing and drawing wheel, and a cutting device for cutting the film is arranged between the two groups of pressing mechanisms.

2. The longitudinal sealing and film drawing mechanism according to claim 1, wherein: hold-down mechanism includes fixed block, pull rod, adjusting bolt, adjusting nut, sleeve, spring and separation and reunion spanner, and the fixed block is installed in the pivot and is kept away from on the base plate of drawing membrane axle one side, installs the adjusting bolt parallel with the guide shaft on the fixed block is close to the lateral wall of pivot, and adjusting bolt cavity, its inside cover are equipped with the pull rod, and pull rod one end is connected with the suit and is changeed epaxial sleeve, and separation and reunion spanner is installed to the other end, the outside threaded connection of adjusting bolt has adjusting nut, and the cover is equipped with the spring that promotes the pivot and be close to drawing membrane axle on the pull rod between adjusting nut and the sleeve, separation and reunion spanner leans on with the fixed block under the effect of spring, and separation and reunion spanner is the U type, and separation and reunion spanner is close to drawing membrane axle with the pivot when the pull rod is perpendicular, and the drawing membrane axle is kept away from to the pivot when U type separation and reunion spanner is parallel with the pull rod.

3. The longitudinal sealing and film-drawing mechanism of claim 1, wherein: the cutting device comprises a fixed plate, ultrasonic exciters, cylinders, supports and cutting knives, wherein the fixed plate is arranged on a base plate on one side of each film drawing wheel for two fixed parts, the ultrasonic exciters are arranged on the fixed plate, the cylinders are arranged on the base plates on one sides of the film drawing wheels for two movable parts, the supports for fixing the cutting knives are arranged on output shafts of the cylinders, and the cutting knives after the cylinders stretch out are abutted between the fixed film drawing wheels and the movable film drawing wheels with ultrasonic heads on the ultrasonic exciters.

4. The longitudinal sealing and film drawing mechanism according to claim 3, wherein: the fixed plate is provided with an adjusting plate, and the ultrasonic exciter is arranged on the adjusting plate.