CN210338461U

CN210338461U - Membrane forming mechanism under steamed egg packing

Info

Publication number: CN210338461U
Application number: CN201921364276.2U
Authority: CN
Inventors: 杨涛; 张芷豪; 孙国良
Original assignee: Houde Food Co Ltd
Current assignee: Houde Food Co Ltd
Priority date: 2019-08-21
Filing date: 2019-08-21
Publication date: 2020-04-17
Anticipated expiration: 2029-08-21

Abstract

The utility model discloses a marinated egg packaging and film laying forming mechanism, which comprises a film rolling switching mechanism, a thermal forming mechanism, a traction mechanism, a connecting mechanism and a controller, wherein the film rolling switching mechanism comprises a first shell, an adjustable clamping mechanism, a feeding mechanism and a first infrared sensor; the thermal forming mechanism comprises a workbench, a female die, an upper heating die and a driving mechanism; the traction mechanism comprises a second shell, a guide roller, a driving roller and a first driving motor; the linking mechanism comprises a fixed frame, a transverse moving lifting mechanism, a linking mechanism, a supporting mechanism and a heating strip; the controller is electrically connected with the film winding switching mechanism, the thermoforming mechanism, the traction mechanism and the connecting mechanism. The utility model discloses can unreel the back at the roll membrane, through rolling up the new roll membrane of membrane switching mechanism automatic switch-over, through linking up the mechanism with new and old roll membrane end to end connection, realize rolling up the quick replacement function of membrane, obtain fashioned lower membrane through thermoforming mechanism, move the die after the shaping and decide the die separation, the fashioned lower membrane of being convenient for leaves the die.

Description

Membrane forming mechanism under steamed egg packing

Technical Field

The utility model relates to a steamed egg equipment for packing technical field, especially a membrane forming mechanism under steamed egg packing.

Background

In the packaging of marinated eggs, a plurality of egg slots for holding the marinated eggs are usually pressed on a lower plastic film, then covered with an upper plastic film, and then heated and sealed in plastic. The existing lower film forming equipment has the following defects:

1. the film winding can not be automatically switched, after one film winding is unwound, the machine needs to be stopped, workers dismount the inner cylinder of an empty roll and then reload a new film winding to be replaced, the process is time-consuming and labor-consuming, potential safety hazards exist, the automation degree is low, and the machine is not suitable for modern production;

2. the female die is provided with the groove, so that the lower film is not convenient to separate from the female die after being formed, and the formed lower film is easy to damage due to contact friction with the female die;

3. the automatic deviation rectifying function is not provided, so that the coiled film is deviated in the discharging process, and defective products are easily generated during forming.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems and designing a marinated egg packaging and film laying forming mechanism.

Realize above-mentioned purpose the technical scheme of the utility model be, a membrane forming mechanism under steamed egg packing, include:

the film winding switching mechanism comprises a first machine shell, an adjustable clamping mechanism, a feeding mechanism and a first infrared sensor, wherein the adjustable clamping mechanism is arranged on the first machine shell and used for loading and unloading a winding film, the feeding mechanism is arranged in the first machine shell and used for supplying the winding film for the adjustable clamping mechanism, and the first infrared sensor is arranged in the first machine shell and used for detecting the falling of an inner winding film cylinder;

the hot forming mechanism is used for forming a coiled film and comprises a workbench, a female die arranged on the workbench, an upper heating die positioned above the female die and a driving mechanism arranged on the workbench, wherein the upper heating die is connected with the driving mechanism, and a plurality of vent holes which are uniformly distributed are formed in the upper heating die;

the traction mechanism is used for drawing the rolled film clamped by the adjustable clamping mechanism to unreel the rolled film, and comprises a second machine shell, a plurality of guide rollers arranged outside and inside the second machine shell, a driving roller arranged in the second machine shell and a first driving motor used for driving the driving roller to rotate;

the connecting mechanism is used for fixedly connecting the head and the tail ends of two replaced roll films in a hot melting way, and comprises a fixed frame fixed on the first machine shell, a transverse lifting mechanism fixed at the lower end of the fixed frame, a holding mechanism arranged at the lower end of the transverse lifting mechanism and used for holding up the roll films, a holding mechanism fixed on the second machine shell and used for holding up the tail ends of the roll films, and a heating strip arranged at the top of the holding mechanism and matched with the roll film holding mechanism to connect the head and the tail of the two replaced roll films;

and the controller is electrically connected with the film winding switching mechanism, the thermoforming mechanism, the traction mechanism and the connecting mechanism.

The adjustable clamping mechanism comprises two cylinder seats fixedly mounted on the first shell, servo cylinders are mounted on the cylinder seats, the telescopic ends of the servo cylinders are oppositely arranged and provided with support rods, and adjusting discs are coaxially and fixedly mounted on the support rods.

Feeding mechanism includes that the level is fixed first diaphragm and the second diaphragm on the relative two inner walls of first casing, fixed mounting has first linear slip table on the first diaphragm, be fixed with the guide rail on the second diaphragm, slidable mounting has first slider on the guide rail, first slider passes through the sideslip board with the portion of sliding of first linear slip table and is connected, install first four guide pillar jacking platforms on the sideslip board, install the bearing roller seat on the lift mesa of first four guide pillar jacking platforms, install two parallel bearing rollers on the bearing roller seat.

The die includes decides die and two and moves the die, it fixes on the workstation to decide the die, it distributes both sides around deciding the die to move the die symmetric distribution, move the die and decide between the die through spring coupling, move the die and decide the die laminating under actuating mechanism drive, it forms a plurality of recesses that are used for making down the fashioned film to move the die and decide die laminating back, it is equipped with the slide bar to move die left and right sides symmetry, the slide bar passes through the fixed block to be fixed on the workstation, sliding sleeve is equipped with two second sliders on the slide bar, second slider and the fixed connection of sliding die one-to-one.

Actuating mechanism is including fixing the mounting bracket on the workstation, install the pneumatic cylinder on the mounting bracket, the flexible end of pneumatic cylinder is vertical under and installs the lift seat, lift seat center department installs the heating mould, it is articulated through spring push rod between lift seat and movable die, be fixed with the guide pin bushing on the lift seat, sliding cartridge has the guide arm in the guide pin bushing, the direction lower extreme is fixed on the workstation, move the die and press the die with the last heating mould behind the die laminating.

The first driving motor drives the driving roller to rotate through the first belt transmission assembly.

The transverse moving lifting mechanism comprises a second linear sliding table, a second four-guide-pillar jacking table and a transverse moving lifting frame, the second linear sliding table is fixedly installed at the lower end of the fixing frame, the second four-guide-pillar jacking table is installed at the sliding part of the second linear sliding table, and the transverse moving lifting frame is installed on the table top of the second four-guide-pillar jacking table.

The holding mechanism comprises a second driving motor, a rotating roller, a flexible membrane lifting plate, a sucking disc, an air suction pipe and an air pressure sensor, the second driving motor is fixedly installed on the transverse moving lifting frame, the rotating roller is rotatably installed at the lower end of the transverse moving lifting frame, the second driving motor drives the rotating roller to rotate through a second belt transmission assembly, the flexible membrane lifting plate and the air suction pipe are fixed at the lower end of the transverse moving lifting frame, the sucking disc is located above the flexible membrane lifting plate and connected with the air suction pipe, and the air pressure sensor is installed on the air suction pipe.

The support mechanism comprises a third linear sliding table, an L-shaped bracket and a second infrared sensor, the third linear sliding table is arranged on the side surface of the second shell facing the first shell, the L-shaped bracket is fixed on the sliding part of the third linear sliding table, the second infrared sensor is arranged on the L-shaped bracket, and the second infrared sensor is used for detecting the position of the rolled film.

The first machine shell faces the side wall of the second machine shell, two photoelectric sensors are installed on the side wall of the second machine shell, the two photoelectric sensors are arranged on the same horizontal plane, and the two photoelectric sensors are electrically connected with the controller.

The utility model has the advantages that: be equipped with a roll membrane switching mechanism, can unreel the membrane at a roll membrane and roll up the membrane after the back automatic switch new roll membrane, through linking up the end-to-end connection of mechanism with new and old roll membrane, realize the quick replacement function of rolling up the membrane, obtain fashioned lower membrane through thermoforming mechanism, move the die after the shaping and separate with deciding the die, the fashioned lower membrane of being convenient for leaves the die.

Drawings

Fig. 1 is a schematic structural view of a film rolling forming mechanism of a marinated egg packaging and laying film of the utility model;

FIG. 2 is a state diagram of the lower film forming mechanism for marinated egg packaging when two rolls of films are connected end to end;

FIG. 3 is a top view structural diagram of the lower membrane forming mechanism for marinated egg packaging of the present invention;

FIG. 4 is a schematic structural view of the thermoforming mechanism of the present invention;

FIG. 5 is a schematic structural view of the lifting mechanism of the present invention;

fig. 6 is a partial schematic view of the traction mechanism of the present invention;

FIG. 7 is a partial schematic view of an adjustable clamping mechanism of the present invention;

fig. 8 is a schematic view of the connection structure of the guide rail and the first slider according to the present invention;

FIG. 9 is an enlarged view of a portion of FIG. 1 at A;

in the figure, 1, a film winding switching mechanism; 11. a first housing; 12. an adjustable clamping mechanism; 121. a cylinder block; 122. a servo cylinder; 123. a support rod; 124. an adjusting disk; 13. a feeding mechanism; 131. a first transverse plate; 132. a second transverse plate; 133. a first linear slide; 134. a guide rail; 135. a first slider; 136. transversely moving the plate; 137. a first four-guide-column jacking table; 138. a carrier roller seat; 139. a carrier roller; 14. a first infrared sensor; 2. a thermoforming mechanism; 21. a work table; 22. a female die; 221. fixing a female die; 222. moving the female die; 223. a spring; 224. a groove; 225. a slide bar; 226. a second slider; 227. a fixed block; 23. an upper heating die; 24. a drive mechanism; 241. a mounting frame; 242. a hydraulic cylinder; 243. a lifting seat; 244. a spring push rod; 245. a guide sleeve; 246. a guide bar; 25. a vent hole; 3. a traction mechanism; 31. a second housing; 32. a guide roller; 33. a drive roller; 34. a first drive motor; 35. a first belt drive assembly; 351. a first drive pulley; 352. a first driven pulley; 353. a first drive belt; 4. a joining mechanism; 41. a fixed mount; 42. a traverse lifting mechanism; 421. a second linear slide; 422. a second four-guide-column jacking table; 423. transversely moving the lifting frame; 43. a holding mechanism; 431. a second drive motor; 432. a rotating roller; 433. a flexible rising plate; 434. a suction cup; 435. an air intake duct; 436. an air pressure sensor; 44. a lifting mechanism; 441. a third linear sliding table; 442. an L-shaped bracket; 443. a second infrared sensor; 45. a second belt drive assembly; 451. a second drive pulley; 452. a second driven pulley; 453. a second drive belt; 46. heating the strip; 5. a controller; 6. rolling the film; 7. a photoelectric sensor.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings, and as shown in fig. 1 to 9, a lower membrane forming mechanism for marinated egg packaging comprises:

the film winding switching mechanism 1 comprises a first machine shell 11, an adjustable clamping mechanism 12 which is arranged on the first machine shell 11 and used for loading and unloading a winding film 6, a feeding mechanism 13 which is arranged in the first machine shell 11 and used for supplying the winding film 6 for the adjustable clamping mechanism 12, and a first infrared sensor 14 which is arranged in the first machine shell 11 and used for detecting the falling of an inner cylinder of the winding film 6;

the hot forming mechanism 2 is used for forming the coiled film 6, the hot forming mechanism 2 comprises a workbench 21, a female die 22 arranged on the workbench 21, an upper heating die 23 positioned above the female die 22, and a driving mechanism 24 arranged on the workbench 21, the upper heating die 23 is connected with the driving mechanism 24, and a plurality of vent holes 25 which are uniformly distributed are formed in the upper heating die 23;

the traction mechanism 3 is used for drawing the rolled film 6 clamped by the adjustable clamping mechanism 12 to unreel the rolled film, the traction mechanism 3 comprises a second machine shell 31, a plurality of guide rollers 32 arranged outside and inside the second machine shell 31, a driving roller 33 arranged in the second machine shell 31 and a first driving motor 34 used for driving the driving roller 33 to rotate, the guide rollers 32 are rotatably arranged in the second machine shell 31 through bearings, the guide rollers 32 outside the second machine shell 31 are rotatably arranged on the outer wall of the second machine shell 31 through supports, and the guide rollers 32 outside the second machine shell 31 are arranged in the second machine shell 31 through bearings;

the joining mechanism 4 is used for fixedly connecting the head and the tail of two replaced rolled films 6 in a hot melting way, and comprises a fixed frame 41 fixed on the first machine shell 11, a transverse moving lifting mechanism 42 fixed at the lower end of the fixed frame 41, a joining mechanism 43 arranged at the lower end of the transverse moving lifting mechanism 42 and used for joining the rolled films 6, a supporting mechanism 44 fixed on the second machine shell 31 and used for supporting the tail of the rolled films 6, and a heating strip 46 which is arranged at the top of the supporting mechanism 44 and matched with the joining mechanism 43 of the rolled films 6 to connect the head and the tail of the two replaced rolled films 6;

and the controller 5 is electrically connected with the film winding switching mechanism 1, the thermoforming mechanism 2, the traction mechanism 3 and the connecting mechanism 4.

The adjustable clamping mechanism 12 comprises two cylinder seats 121 fixedly mounted on the first housing 11, servo cylinders 122 are mounted on the cylinder seats 121, two telescopic ends of the servo cylinders 122 are oppositely arranged and provided with supporting rods 123, and an adjusting disc 124 is coaxially and fixedly mounted on the supporting rods 123. The adjustable clamping mechanism 12 can clamp the roll film 6 to rotate, and the adjusting disc 124 can also play roles in limiting speed and correcting position

The feeding mechanism 13 includes a first transverse plate 131 and a second transverse plate 132 horizontally fixed on two opposite inner walls of the first housing 11, a first linear sliding table 133 is fixedly installed on the first transverse plate 131, a guide rail 134 is fixed on the second transverse plate 132, a first slider 135 is slidably installed on the guide rail 134, the sliding portion of the first slider 135 and the sliding portion of the first linear sliding table 133 are connected through a traverse plate 136, a first four-guide-post jacking table 137 is installed on the traverse plate 136, a supporting roller 139 seat 138 is installed on a lifting table surface of the first four-guide-post jacking table 137, two parallel supporting rollers 139 are installed on the supporting roller 139 seat 138, and the supporting roller 139 is rotatably installed in the supporting roller 139 seat 138 through a bearing.

The female die 22 comprises a fixed female die 221 and two movable female dies 222, the fixed female die 221 is fixed on the workbench 21, the movable female dies 222 are symmetrically distributed on the front side and the rear side of the fixed female die 221, the movable female dies 222 are connected with the fixed female die 221 through springs 223, the movable female dies 222 are attached to the fixed female die 221 under the driving of the driving mechanism 24, a plurality of grooves 224 used for forming a lower film are formed after the movable female dies 222 are attached to the fixed female dies 221, sliding rods 225 are symmetrically arranged on the left side and the right side of the movable female dies 222, the sliding rods 225 are fixed on the workbench 21 through fixing blocks 227, two second sliding blocks 226 are slidably sleeved on the sliding rods 225, and the second sliding blocks 226 are fixedly connected.

The driving mechanism 24 comprises a mounting frame 241 fixed on the workbench 21, a hydraulic cylinder 242 is mounted on the mounting frame 241, the telescopic end of the hydraulic cylinder 242 is vertically opposite and is provided with a lifting seat 243, the center of the lifting seat 243 is provided with an upper heating die 23, the lifting seat 243 is hinged with the movable concave die 222 through a spring push rod 244, a guide sleeve 245 is fixed on the lifting seat 243, a guide rod 246 is inserted in the guide sleeve 245 in a sliding mode, the lower end of the guide rod is fixed on the workbench 21, and the upper heating die 23 presses the concave die 22 after the movable concave die 222 is attached to the fixed concave die 221.

The first driving motor 34 drives the driving roller 33 to rotate through the first belt transmission assembly 35, the first belt transmission assembly 35 includes a first driving pulley 351, a first driven pulley 352 and a first transmission belt 353, the first driving pulley 351 is installed on an output shaft of the first driving motor 34, the first driven pulley 352 is installed at an end portion of the driving roller 33, and the first driving pulley 351 and the first driven pulley 352 are connected through the first transmission belt 353.

The traverse lifting mechanism 42 comprises a second linear sliding table 421, a second four-guide-column jacking table 422 and a traverse lifting frame 423, the second linear sliding table 421 is fixedly installed at the lower end of the fixing frame 41, the second four-guide-column jacking table 422 is installed at the sliding part of the second linear sliding table 421, and the traverse lifting frame 423 is installed on the table top of the second four-guide-column jacking table 422.

The joining mechanism 43 comprises a second driving motor 431, a rotating roller 432, a flexible film raising plate 433, a suction cup 434, a suction pipe 435 and a pneumatic pressure sensor 436, the second driving motor 431 is fixedly arranged on the traverse crane 423, the rotating roller 432 is rotatably arranged at the lower end of the traverse crane 423 through a bearing, the second driving motor 431 drives the rotating roller 432 to rotate through a second belt transmission assembly 45, the second belt transmission assembly 45 comprises a second driving pulley 451, a second driven pulley 452 and a second transmission belt 453, the second driving pulley 451 is arranged at the output shaft of the second driving motor 431, the second driven pulley 452 is arranged at the end part of the rotating roller 432, a second transmission belt 453 is arranged between the second driving pulley 451 and the second driven pulley 452, the flexible film raising plate 433 and the suction pipe 435 are fixed at the lower end of the traverse crane 423, the flexible film raising plate 433 is a pvc flexible plate and has a certain bending capability, so as to be matched with the rotating roller 432 and attached to the roll film 6, a suction cup 434 is positioned above the flexible film raising plate 433 and connected to the air suction pipe 435, and an air pressure sensor 436 is installed on the air suction pipe 435.

The holding mechanism 44 includes a third linear sliding table 441 mounted on a side surface of the second housing 31 facing the first housing 11, an L-shaped bracket 442 fixed to a sliding portion of the third linear sliding table 441, and a second infrared ray sensor 443 mounted on the L-shaped bracket 442 and detecting a position of the roll film 6.

Two photoelectric sensors 7 are mounted on the side wall of the first housing 11 facing the second housing 31, the two photoelectric sensors 7 are arranged on the same horizontal plane, and the two photoelectric sensors 7 are electrically connected with the controller 5.

The working principle of the embodiment is as follows: the film rolling machine comprises two film stations, wherein a replaced film rolling 6 is positioned at a standby film station, the unrolled film rolling 6 is positioned at an unrolling station, the replaced film rolling 6 is placed on two carrier rollers 139 of a carrier roller 139 seat 138, the unrolled film rolling 6 is supported by two carrier rods 123 inserted into an inner cylinder of the unrolled film rolling 6, a first driving motor 34 drives a driving roller 33 to rotate through a first belt transmission assembly 35, a pressing roller for pressing the film rolling 6 on the driving roller 33 is arranged at the upper part of the driving roller 33, so that the driving roller 33 pulls the film rolling 6 to move, the guiding roller 32 guides the film rolling 6, and the first section of the film rolling 6 passes through a thermoforming mechanism 2 and then is conveyed by a conveying mechanism of the next process;

the first driving motor 34 is a servo motor, the controller 5 controls the first driving motor 34 to rotate for a certain angle, and the first driving motor is synchronously matched with the conveying mechanism of the next procedure at the same speed to move the to-be-formed roll film 6 to the thermal forming mechanism 2; then, the telescopic end of the hydraulic cylinder 242 extends out to drive the lifting seat 243, the upper heating die 23 and the spring push rod 244 to descend, the guide sleeve 245 vertically slides down along the guide rod 246 to enable the lifting seat 243 to stably and vertically descend, the inclination angle of the spring push rod 244 changes to push the movable concave die 222 to move, the movable concave die 222 moves towards the fixed concave die 221 on the sliding rod 225 through the second sliding block 226, the spring 223 is compressed, the spring push rod 244 is also compressed, when the movable concave die 222 is attached to the fixed concave die 221, the upper heating die 23 is close to the concave die 22, the lifting seat 243 continues to descend, the spring push rod 244 is compressed, finally, the upper heating die 23 is attached to the concave die 22, the upper heating die 23 heats the rolled film 6 to a certain temperature, the input end of the vent hole 25 is connected with high-pressure gas, the high-pressure gas is; then, the telescopic end of the hydraulic cylinder 242 contracts to drive the upper heating die 23 to rise, the movable concave die 222 is far away from the fixed concave die 221 under the action of the elastic force of the spring 223 and the tensile force of the spring push rod 244, the first driving motor 34 continues to work, and the formed rolled film 6 is moved out of the concave die 22;

the two photoelectric sensors 7 detect the positions of two sides of the roll film 6 to prevent the roll film 6 from deviating, when the roll film 6 does not deviate, the two photoelectric sensors 7 are not blocked by the roll film 6, when the roll film 6 deviates, one of the photoelectric sensors 7 is blocked, the photoelectric sensor 7 transmits a signal to the controller 5, the controller 5 controls the telescopic ends of the two servo cylinders 122 to synchronously extend out, so that the roll film 6 is pushed to a central position, the two adjusting disks 124 are in contact with the inner cylinder of the roll film 6 to reduce the speed of the roll, the tension of the roll film 6 is increased to tension the roll film 6, the position of the roll film 6 is corrected to prevent the roll film 6 from wrinkling, and then the telescopic end of the servo cylinder 122 synchronously contracts for a short distance to prevent the adjusting disk 124 from being in contact with the inner cylinder of the roll film 6;

when the film roll 6 is completely unwound, the film is loosened and separated from the inner cylinder, the tail end of the film falls on the L-shaped bracket 442 under the action of gravity, the second infrared sensor 443 detects a signal that the film approaches and sends the signal to the controller 5, the controller 5 judges that the film roll 6 is completely unwound and needs to be replaced by a new film roll 6 at the moment, the controller 5 controls the first driving motor 34 to pause, the two servo cylinders 122 simultaneously and rapidly contract to the minimum value, the supporting rod 123 is drawn out from the inner cylinder of the film roll 6 clamped by the supporting rod, the inner cylinder of the film roll 6 falls into the first shell under the action of gravity and falls into the bottom of the first shell from the space between the first transverse plate 131 and the second transverse plate 132, the first infrared sensor 14 detects that the inner cylinder of the film roll 6 falls through and sends the signal to the controller 5, then the controller 5 controls the first linear sliding table 133 to work, the first linear sliding table 133 drives the replaced film roll 6 to move, the first four-guide-post jacking table 137 drives the replaced film roll 6, the alternative film 6 is moved to the space between the adjustable clamping mechanisms 12, and the two servo cylinders 122 drive the supporting rods 123 to clamp but not clamp the film 6;

then, the first four-guide-column jacking table 137 drives the carrier roller 139 seat 138 to descend, so that the carrier roller 139 avoids the film roll 6, the first linear sliding table 133 drives the carrier roller 139 seat 138 to move to the original position, and the other film roll 6 is placed on the carrier roller 139; meanwhile, the linking mechanism 43 is located above the unreeling station, the second four-guide-post jacking table 422 drives the linking mechanism 43 to descend to the film winding 6 at the unreeling station, so that the rotating roller 432 and the flexible film winding plate 433 are both in contact with the film winding 6, the second driving motor 431 is a speed reduction motor, the second driving motor 431 drives the rotating roller 432 to rotate through the second belt transmission assembly 45, the rotating roller 432 is in contact with the film winding 6 and drives the film winding 6 to rotate clockwise through friction, when the first section of the film winding 6 is in contact with the flexible film winding plate 433, the flexible film winding plate 433 scrapes, the air suction pipe 435 is connected with the air suction pump, and negative pressure is formed at the suction cup 434 to adsorb the first section of the film winding 6 scraped by the flexible film winding plate 433; after the suction cup 434 adsorbs the rolled film 6, the air pressure sensor 436 detects that the negative pressure inside the air suction pipe 435 is increased, and sends a signal to the controller 5, the controller 5 judges that the second linear sliding table 421 drives the holding mechanism 43 and the rolled film 6 adsorbed by the suction cup 434 to horizontally move towards the holding mechanism 44, meanwhile, the third linear sliding table 441 drives the L-shaped bracket 442 and the tail section of the previous rolled film 6 held by the L-shaped bracket 442 to move upwards, the tail section of the previous rolled film 6 is in contact with the head section of the newly replaced rolled film 6 at the rotating roller 432, the heating strip 46 at the top of the L-shaped bracket 442 is electrified to heat and connect the head and the tail of the two rolled films 6, so that the switching process is completed, the head and tail hot melting connection of the rolled films 6 cannot avoid surplus rolled films, the appearance is influenced, but the film forming is not influenced, and after the spiced eggs are packaged, a small amount of packaged products of the type can be folded and sold.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims

1. The utility model provides a membrane forming mechanism under steamed egg packing which characterized in that includes:

the film winding switching mechanism (1) comprises a first machine shell (11), an adjustable clamping mechanism (12) which is arranged on the first machine shell (11) and used for loading and unloading a winding film (6), a feeding mechanism (13) which is arranged in the first machine shell (11) and used for supplying the winding film (6) for the adjustable clamping mechanism (12), and a first infrared sensor (14) which is arranged in the first machine shell (11) and used for detecting the falling of an inner cylinder of the winding film (6);

the hot forming mechanism (2) is used for forming the coiled film (6), the hot forming mechanism (2) comprises a workbench (21), a female die (22) arranged on the workbench (21), an upper heating die (23) positioned above the female die (22), and a driving mechanism (24) arranged on the workbench (21), the upper heating die (23) is connected with the driving mechanism (24), and a plurality of vent holes (25) which are uniformly distributed are formed in the upper heating die (23);

the film winding device comprises a traction mechanism (3) used for drawing the winding film (6) clamped by the adjustable clamping mechanism (12) to be unwound, wherein the traction mechanism (3) comprises a second machine shell (31), a plurality of guide rollers (32) arranged outside and inside the second machine shell (31), a driving roller (33) arranged in the second machine shell (31) and a first driving motor (34) used for driving the driving roller (33) to rotate;

the splicing mechanism (4) is used for fixedly connecting the head and the tail of two replaced rolled films (6) in a hot melting way, and comprises a fixed frame (41) fixed on a first machine shell (11), a transverse lifting mechanism (42) fixed at the lower end of the fixed frame (41), a holding mechanism (43) arranged at the lower end of the transverse lifting mechanism (42) and used for holding the rolled films (6), a supporting mechanism (44) fixed on a second machine shell (31) and used for supporting the tail sections of the rolled films (6), and heating strips (46) which are arranged at the top of the supporting mechanism (44) and matched with the holding mechanism (43) of the rolled films (6) to connect the head and the tail of the two replaced rolled films (6);

and the controller (5) is electrically connected with the film winding switching mechanism (1), the thermoforming mechanism (2), the traction mechanism (3) and the connection mechanism (4).

2. The lower marinated egg packaging film forming mechanism according to claim 1, wherein the adjustable clamping mechanism (12) comprises two cylinder seats (121) fixedly mounted on the first machine shell (11), the cylinder seats (121) are respectively provided with a servo cylinder (122), the telescopic ends of the two servo cylinders (122) are oppositely arranged and respectively provided with a support rod (123), and the support rods (123) are coaxially and fixedly provided with an adjusting disc (124).

3. The lower membrane forming mechanism for spiced egg packaging of claim 2, the feeding mechanism (13) comprises a first transverse plate (131) and a second transverse plate (132) which are horizontally fixed on two opposite inner walls of the first machine shell (11), a first linear sliding table (133) is fixedly arranged on the first transverse plate (131), a guide rail (134) is fixed on the second transverse plate (132), a first sliding block (135) is arranged on the guide rail (134) in a sliding way, the sliding part of the first sliding table (133) and the first sliding block (135) are connected through a transverse moving plate (136), a first four-guide-post jacking table (137) is arranged on the transverse moving plate (136), a supporting roller (139) seat (138) is arranged on the lifting table surface of the first four-guide-post jacking table (137), two parallel carrier rollers (139) are arranged on the carrier roller (139) seat (138).

4. The marinated egg packaging and film laying forming mechanism according to claim 1, wherein the female die (22) comprises a fixed female die (221) and two movable female dies (222), the fixed female die (221) is fixed on the workbench (21), the movable female dies (222) are symmetrically distributed on the front side and the rear side of the fixed female die (221), the movable female dies (222) are connected with the fixed female dies (221) through springs (223), the movable female dies (222) are attached to the fixed female dies (221) under the driving of the driving mechanism (24), a plurality of grooves (224) for enabling the films to be formed are formed after the movable female dies (222) are attached to the fixed female dies (221), slide bars (225) are symmetrically arranged on the left side and the right side of the movable female dies (222), the slide bars (225) are fixed on the workbench (21) through fixing blocks (227), two second slide blocks (226) are sleeved on the slide bars (225), the second sliding blocks (226) are fixedly connected with the movable concave dies (222) in a one-to-one corresponding mode.

5. The lower marinated egg packaging film forming mechanism according to claim 4, wherein the driving mechanism (24) comprises a mounting frame (241) fixed on the workbench (21), a hydraulic cylinder (242) is mounted on the mounting frame (241), the telescopic end of the hydraulic cylinder (242) is vertically downward and is provided with a lifting seat (243), the center of the lifting seat (243) is provided with an upper heating die (23), the lifting seat (243) is hinged to the movable concave die (222) through a spring push rod (244), a guide sleeve (245) is fixed on the lifting seat (243), a guide rod (246) is inserted in the guide sleeve (245) in a sliding mode, the lower guide end is fixed on the workbench (21), and the upper heating die (23) presses the concave die (22) downwards after the movable concave die (222) is attached to the fixed concave die (221).

6. The lower membrane forming mechanism for spiced egg packaging, as recited in claim 1, wherein said first drive motor (34) drives said drive roller (33) to rotate via a first belt transmission assembly (35).

7. The marinated egg packaging and film laying forming mechanism according to claim 1, wherein the transverse moving and lifting mechanism (42) comprises a second linear sliding table (421), a second four-guide-column jacking table (422) and a transverse moving lifting frame (423), the second linear sliding table (421) is fixedly installed at the lower end of the fixing frame (41), the second four-guide-column jacking table (422) is installed at the sliding part of the second linear sliding table (421), and the transverse moving lifting frame (423) is installed on the table top of the second four-guide-column jacking table (422).

8. The lower membrane forming mechanism for spiced egg packaging of claim 7, the holding mechanism (43) comprises a second driving motor (431), a rotating roller (432), a flexible film raising plate (433), a suction cup (434), a suction pipe (435) and a pneumatic pressure sensor (436), the second driving motor (431) is fixedly arranged on the transverse lifting frame (423), the rotating roller (432) can be rotatably arranged at the lower end of the transverse lifting frame (423), the second driving motor (431) drives the rotating roller (432) to rotate through the second belt transmission component (45), the flexible membrane raising plate (433) and the air suction pipe (435) are fixed at the lower end of the transverse moving lifting frame (423), the sucking disc (434) is positioned above the flexible membrane raising plate (433) and connected with the air suction pipe (435), and the air pressure sensor (436) is installed on the air suction pipe (435).

9. The lower membrane forming mechanism for marinated egg packaging according to claim 8, wherein the supporting mechanism (44) comprises a third linear sliding table (441), an L-shaped bracket (442) and a second infrared sensor (443), the third linear sliding table (441) is mounted on the side surface of the second machine shell (31) facing the first machine shell (11), the L-shaped bracket (442) is fixed on the sliding part of the third linear sliding table (441), the second infrared sensor (443) is mounted on the L-shaped bracket (442), and the second infrared sensor (443) is used for detecting the position of the rolled membrane (6).

10. The lower membrane forming mechanism for spiced egg packaging according to claim 1, wherein two photoelectric sensors (7) are mounted on the side wall of the first housing (11) facing the second housing (31), the two photoelectric sensors (7) are arranged on the same horizontal plane, and the two photoelectric sensors (7) are electrically connected with the controller (5).