CN112167303A - Food packaging punched-card machine - Google Patents

Abstract

The invention relates to a food packaging punched-card machine, which comprises a punching cylinder and a fixed frame which are fixedly arranged, a rotary drawing claw hinged on the fixed frame, a fixed drawing claw fixed on the fixed frame, a lifting mechanism and a cutting-off assembly which are arranged on the fixed drawing claw, a moving frame driven by the punching cylinder, a button feeding mechanism driven by the moving frame and a conveying channel for conveying a great wall card, wherein the button feeding mechanism is arranged on the fixed drawing claw; an upper punch is arranged at the claw center of the rotary furling claw, and a lower punch is arranged at the claw center of the fixed furling claw; the card punching cylinder drives the movable frame to move up and down, the movable frame moves up and down to drive the buckle feeding mechanism to feed buckles, the rotary folding claw and the fixed folding claw are driven to be buckled in a reciprocating mode, the buckle lifting mechanism lifts the buckles in a reciprocating mode in the reciprocating buckling process, and the buckles are cut off and formed through the involution of the upper punch and the lower punch in the buckling process.

Description

Food packaging punched-card machine

Technical Field

The invention relates to the technical field of food packaging machinery, in particular to a food packaging punched-card machine which can be widely used for punching and sealing sausage, paste and the like.

Background

At present, a food packaging card punch is an electric or pneumatic single-head single-time card punch, materials are filled into a sausage casing through a quantitative filling machine, the sausage casing filled with the materials is sent to the card punch to be punched through manual traction, and the length is manually controlled; low working efficiency, poor product uniformity, poor safe operability and high working strength.

In view of the above, a novel food packaging punched-card machine is designed, the structure is simplified, the arrangement is reasonable, and the miniaturization and the reliability of the punched-card machine are realized; the punched-card machine is arranged in a disc mode, so that the processes of punching and drawing the film are realized, and manual intervention is not needed in the working process; the sausage length can be conveniently and quickly adjusted by sliding the punch forward or backward.

Disclosure of Invention

The invention aims to solve the technical problem of providing a food packaging punched-card machine.

In order to solve the problems, the technical scheme adopted by the invention is as follows:

the utility model provides a food encapsulation punched-card machine which the key technology lies in: the device comprises a punching cylinder and a fixed frame which are fixedly arranged, a rotary drawing claw hinged on the fixed frame, a fixed drawing claw fixed on the fixed frame, a buckle lifting mechanism and a cutting-off assembly which are arranged on the fixed drawing claw, a moving frame driven by the punching cylinder, a buckle sending mechanism driven by the moving frame and a conveying channel for conveying the great wall card; an upper punch is arranged at the claw center of the rotary furling claw, and a lower punch is arranged at the claw center of the fixed furling claw; the card punching cylinder drives the movable frame to move up and down, the movable frame moves up and down to drive the buckle feeding mechanism to feed buckles, the rotary folding claw and the fixed folding claw are driven to be buckled in a reciprocating mode, the buckle lifting mechanism lifts the buckles in a reciprocating mode in the reciprocating buckling process, and the buckles are cut off and formed through the involution of the upper punch and the lower punch in the buckling process.

As a further improvement of the invention, the moving frame comprises a first connecting frame and a second connecting frame, the first connecting frame and the second connecting frame are connected through a connecting cross frame, the connecting cross frame is fixed with a piston shaft of the punching cylinder, and a shifting rod stopper for shifting the buckle conveying mechanism is arranged on the second connecting frame.

As a further improvement of the invention, the rotary drawing claw is provided with a connecting hole and an arc-shaped guide groove, the rotary drawing claw is rotatably connected to the fixed frame through the connecting hole, and the arc-shaped guide groove is in sliding connection with the first connecting frame.

As a further improvement of the invention, the fixed furling claw is provided with a linear guide groove, and the linear guide groove is connected with the second connecting frame in a sliding manner.

As a further improvement of the invention, the button feeding mechanism comprises a ratchet wheel rotationally arranged on the fixed folding claw, a button feeding wheel coaxially linked with the ratchet wheel, a button feeding deflector rod coaxially arranged with the ratchet wheel, a pawl hinged on the button feeding deflector rod and a pawl pressing assembly, and the button feeding deflector rod is moved by the deflector rod stopper.

As a further improvement of the invention, the buckle lifting mechanism comprises a buckle guide rail hinged at the lower part of the conveying channel, a piston sleeve fixed on the fixed furling claw and a push rod assembly arranged in the piston sleeve in a sliding manner, and the push rod assembly is matched with the piston sleeve; the push rod assembly comprises a piston head arranged in the piston sleeve in a sliding mode and a push rod fixed on the piston head, the push rod is arranged on the buckle guide rail in a sliding mode, and an air hole is formed in the piston sleeve.

As a further improvement of the invention, the push rod is sleeved with a return spring.

As a further improvement of the invention, the upper punch is provided with an arc-shaped forming surface.

As a further improvement of the invention, the lower punch is provided with a breaking bulge and a great wall buckle groove matched with the great wall clamp, and a clamp ridge is arranged in the great wall buckle groove; the blocking protrusion and the great wall buckle groove are provided with a yielding groove matched with the upper punch.

As a further improvement of the invention, the cutting-off assembly comprises a cutting-off cylinder fixed on the fixed furling claw and a cutting-off knife driven by the cutting-off cylinder.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:

the food packaging punched-card machine is simple in structure and reasonable in arrangement; the punched-card machine is arranged in a disc mode, when the punched-card machine works, the punched-card machine rotates along with the rotary disc, the process of punching and drawing the film is achieved at the same time, and manual intervention is not needed in the working process; the sausage length can be adjusted by only sliding the position of the punched-card machine forwards or backwards, so that the device is convenient and fast.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic structural view of another embodiment of the present invention.

Fig. 3 is a schematic diagram of a partially exploded structure of the present invention.

Fig. 4 is a schematic structural diagram of the mobile frame of the present invention.

Fig. 5 is a structural schematic view of the fixed folding claw of the invention.

Fig. 6 is a schematic structural diagram of the feeder mechanism during card punching and return stroke.

Fig. 7 is a schematic structural diagram of the buckle lifting mechanism during card punching.

Fig. 8 is a schematic structural diagram of the trip mechanism of the present invention during the return trip.

Fig. 9 is a schematic structural view of the upper punch of the present invention.

FIG. 10 is a schematic view of the structure of the lower punch of the present invention.

FIG. 11 is a schematic view of the snap cut-off molding of the present invention.

FIG. 12 is a schematic view of another state of the snap cut-off molding of the present invention.

FIG. 13 is a schematic view of a structure of the present invention in a state of snap-cut molding.

Fig. 14 is a front view structural schematic diagram of the pneumatic disk type great wall card punching device.

Fig. 15 is a schematic top view of a pneumatic disk type great wall card punching device.

Fig. 16 is a structural schematic diagram of a control device of the pneumatic disk type great wall card punching device.

Fig. 17 is a top structural view of a control device of the pneumatic disk type great wall card punching device.

Wherein: 100 power devices, 200 control devices, 300 card punches, 301 buckle lifting mechanisms, 302 cutting assemblies and 303 buckle conveying mechanisms;

1 base, 2 rotating upright posts, 3 rotating disc, 4 punching cylinders, 5 fixed frames, 6 rotating drawing claws, 7 fixing drawing claws, 8 moving frames, 8-1 first connecting frames, 8-2 second connecting frames, 8-3 connecting cross frames, 8-4 reinforcing rods, 9 great wall clamps, 9-1 buckles, 10 upper punches, 10-1 arc forming surfaces, 11 lower punches, 12 toggle screws, 13 arc guide grooves, 14 linear guide grooves, 15 buckle feeding wheels, 16 ratchets, 17 buckle feeding shift rods, 18 pawls, 19 pawl pressing assemblies, 20 conveying channels, 21 buckle guide rails, 22 piston sleeves, 23 sliding blocks, 24 push rods, 25, 26 buckle guide grooves, 27 return springs, 28 air holes, 29 cutting cylinders, 30 cutting knives, 31 fixed discs, 32 rotating discs, 33 rotating joints, 34 pneumatic control valves, 35 cutting cylinder valves, 36 punching reversing cylinder valves, 37 a first contact head, 38 a second contact head, 39 a head replacement directional valve, 40 a tail position reversing valve, 41 a motor reducer, 42 a driving chain wheel, 43 a driven chain wheel, 44 a slideway, 45 a connecting hole, 46 a buckle disk, 47 a shifting shaft, 48 a casing and 49 an emergency stop button.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail and fully with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 13, the card puncher 300 includes a punching cylinder 4 and a fixed frame 5 fixed on a turntable 3, a rotary furling claw 6 hinged on the fixed frame 5, a fixed furling claw 7 fixed on the fixed frame 5, a buckle lifting mechanism 301 and a cutting assembly 302 arranged on the fixed furling claw 7, a moving frame 8 driven by the punching cylinder 4, a buckle feeding mechanism 303 driven by the moving frame 8, and a conveying passage 20 for conveying the great wall card 9. An upper punch 10 is arranged at the claw center of the rotary furling claw 6, and a lower punch 11 is arranged at the claw center of the fixed furling claw 7. The card punching cylinder 4 drives the moving frame 8 to move up and down, the moving frame 8 moves up and down to drive the buckle sending mechanism 303 to send buckles, and simultaneously drive the rotary folding claw 6 to be buckled with the fixed folding claw 7 in a reciprocating mode, the buckle lifting mechanism 301 lifts buckles in a reciprocating mode in the reciprocating buckling process, and the buckle 9-1 is cut off and formed through the involution of the upper punch 10 and the lower punch 11 in the buckling process.

The card punching cylinder 4 drives the movable frame 8 to reciprocate up and down, so that the rotary drawing claw 6 is driven to be buckled with the fixed drawing claw 7 in a reciprocating mode, and cutting forming is achieved. In the reciprocating buckling process, the buckle feeding mechanism 303 intermittently conveys the great wall clamp 9, the buckle lifting mechanism 301 repeatedly lifts and buckles the great wall clamp 9, and the cutting assembly 302 intermittently cuts off the casing, and the processes of punching the casing are completed in a matched mode.

As shown in fig. 4, the moving frame 8 includes a first connecting frame 8-1 and a second connecting frame 8-2, the first connecting frame 8-1 and the second connecting frame 8-2 are connected by a connecting cross frame 8-3, the connecting cross frame 8-3 is fixed to a piston shaft of the trip cylinder 4, and a shift lever stopper 12 for shifting the trip mechanism 303 is disposed on the second connecting frame 8-2. The punching cylinder 4 drives the piston shaft to stretch and retract, so that the movable frame 8 is driven to move up and down. In order to ensure the structural strength of the movable frame 8, a reinforcing rod 8-4 is arranged between the first connecting frame 8-1 and the second connecting frame 8-2, so that the whole movable frame 8 is prevented from deforming under the action of external force.

As shown in fig. 1-5, the rotary drawing claw 6 is provided with a connecting hole 45, and the rotary drawing claw 6 is rotatably connected to the fixed frame 5 through the connecting hole 45. The rotary furling claw 6 is provided with an arc-shaped guide groove 13, and the arc-shaped guide groove 13 is arranged on the first connecting frame 8-1 in a sliding manner. The fixed furling claw 7 is fixedly arranged on the fixed frame 5, a linear guide groove 14 is arranged on the fixed furling claw 7, and the linear guide groove 14 is arranged on the second connecting frame 8-2 in a sliding manner.

During punching, the punching cylinder 4 drives the fixing frame 5 to move up and down, so that the rotary drawing claw 6 moves back and forth along the arc-shaped guide groove 13 and is buckled with the fixed drawing claw 7 in a back and forth manner, the sausage casing 48 is drawn in towards the two claw centers during buckling, in the process of uniform downward movement of the moving frame 8, the downward rotation speed of the rotary drawing claw 6 gradually decreases from high to low, the rotation torque gradually increases from low to high, in the whole movement process, the rotary drawing claw 6 rotates rapidly before contacting the sausage casing 48, the process is no-load operation, the punching time can be reduced, in the buckle cutting and forming process, the punching cylinder 14 needs to provide a great rotation torque, and at the moment, the torque received by the moving frame 8 and the arc-shaped guide groove 13 is the largest, and the rotating speed is the lowest. Therefore, the idle running time can be saved in the card punching process, and the card punching force can be ensured.

As shown in fig. 1 and 3, a conveying channel 20 corresponding to each punched-card machine 300 is provided on the turntable, the cross-sectional shape of the conveying channel 20 is funnel-shaped, and the upper opening is large and convenient for the great wall card 9 to enter the conveying channel 20. In order to make the great wall cards 9 enter the conveying channel 20 in order, a rotatable snap disc 46 is arranged on the punching cylinder 4, the great wall cards 9 are arranged on the snap disc 46, and the great wall cards 9 are supplied to the conveying channel 20 by the snap disc 46.

As shown in fig. 6, the button feeding mechanism 303 includes a ratchet wheel 16 rotatably disposed on the fixed folding claw 7, a button feeding wheel 15 coaxially linked with the ratchet wheel 16, a button feeding shift lever 17 coaxially disposed with the ratchet wheel 16, a pawl 18 hinged to the button feeding shift lever 17, and a pawl pressing assembly 19, wherein the button feeding shift lever 17 is shifted by the shift lever stopper.

As shown in fig. 3-4 and 6, the toggle rod stopper comprises a toggle shaft 47 fixed on the second connecting frame 8-2 and a toggle screw 12, and the button-feeding toggle rod 17 reciprocates around the center of the ratchet 16 between the toggle shaft 47 and the toggle screw 12 along with the up-and-down movement of the moving frame 8. The buckle sending wheel 15 is provided with a bulge matched with the great wall clamp 9, so that the great wall clamp 9 can be conveniently stirred by the buckle sending wheel 15. In order to enable the button feeding wheel 15, the ratchet wheel 16 and the button feeding shifting rod 17 to rotate more stably, an arc-shaped guide groove is formed in the surface, opposite to the button feeding wheel 15, of the fixed folding claw 7, and a protrusion matched with the arc-shaped guide groove is formed in the fixed folding claw 7, so that the button feeding wheel 15, the ratchet wheel 16 and the button feeding shifting rod 17 rotate more stably.

As shown in fig. 4, the moving frame 8 moves downwards, the button-feeding shifting lever 17 moves downwards under the action of the shifting shaft 47, and the ratchet wheel 16 does not drive the button-feeding wheel 15 to rotate (as shown in a in fig. 4); the moving frame 8 moves upwards, the button-feeding deflector rod 17 moves upwards under the action of the toggle screw 12, and the ratchet wheel 16 drives the button-feeding wheel 15 to rotate clockwise, so as to move the great wall card 9 and feed the button downwards (as shown in b in fig. 4). In order to ensure that the pawl 18 is always attached to the ratchet wheel 16, a pawl pressing assembly 19 is arranged between the pawl 18 and the buckle feed driving lever 17, and the pawl pressing assembly 19 is a spring in the embodiment.

As shown in fig. 7-8, the buckle lifting mechanism 301 includes a buckle guide rail 21 hinged to the lower portion of the conveying channel 20, a piston sleeve 22 fixed to the fixed folding claw 7, and a push rod assembly slidably disposed in the piston sleeve 22, and the push rod assembly is adapted to the piston sleeve 22. The push rod assembly comprises a piston head 23 arranged in the piston sleeve 22 in a sliding mode and a push rod 24 fixed on the piston head 23, the push rod 24 is arranged in a clamping guide groove 26 on the clamping guide rail 21 in a sliding mode through a sliding block 25, a return spring 27 is sleeved on the push rod 24, and an air hole 28 is formed in the piston sleeve 22.

As shown in fig. 7-8, the right end of the return spring 27 is fixed on the piston sleeve 22, and the other end is fixed on the push rod 24 (or not fixed), when the air hole 28 is filled with air, the push rod 24 extends to push the buckle guide rail 21 to lift, and the return spring 27 is compressed; when the air hole 28 is deflated, the push rod 24 is retracted under the action of the return spring 27, and the snap guide 21 is lowered and retracted.

The piston sleeve 22 of the lifting buckle mechanism 301 is fixed on the fixed folding claw 7, the piston head 23 is arranged in the piston sleeve 22, one end of the push rod 24 is connected with the piston head 23, the other end of the push rod is arranged in the buckle guide groove 26 of the buckle guide rail 21 in a sliding mode, and the buckle guide rail 21 is hinged to the lower portion of the conveying channel 20. When the fixed furling claw 7 moves downwards along with the moving frame 8 for punching, the buckle guide rail 21 is put down and retracted, and when the fixed furling claw 7 moves upwards along with the moving frame 8 for return trip, the buckle guide rail 21 is lifted.

When the punching cylinder 14 moves downwards for punching, the button-sending shifting rod 17 rotates downwards along with the moving frame 8 by taking the ratchet wheel 16 as a center, and because the ratchet wheel 16 rotates in a single direction, the ratchet wheel 16 does not rotate along with the pawl 18 at the moment, and the pawl 18 rotates downwards anticlockwise to the next tooth socket; the strike cylinder 14 moves downward while the buckle lifting mechanism 301 retracts, and there is no lifting state. When the punching cylinder 14 returns, the lifting and buckling mechanism 301 lifts the great wall card 9 upwards, the buckle feeding deflector rod 17 rotates upwards along with the moving frame 8, the pawl 18 is clamped in the ratchet groove at the moment, the buckle feeding wheel 15 and the ratchet 16 rotate along with the pawl 18 to feed the great wall card 9 downwards for buckling, and when the punching cylinder 14 returns to the original position, the buckle feeding distance is just one stroke.

As shown in fig. 1-3, the claw heads of the fixed folding claw 7 and the movable folding claw 6 are crab claw-shaped, and the claw cores are respectively provided with a lower punch 11 and an upper punch 10. The upper punch 10 is provided with an arc-shaped forming surface 10-1, the upper edge of the upper punch 10 is thin, the great wall clamp 9 can be effectively cut off, and the upper edge and the lower edge of the upper punch 10 have a distance difference, so that the upper edge and the lower edge of the clamp 9-1 are both bent inwards under the action of the arc-shaped forming surface 10-1 when the clamp 9-1 is formed, and finally, the clamp is formed.

As shown in fig. 9-10, the lower punch 11 is provided with a snap projection 11-1 and a great wall snap groove 11-2 adapted to the great wall snap 9, and a strip-shaped snap ridge 11-3 is provided in the great wall snap groove 11-2. A yielding groove 11-4 matched with the upper edge of the upper punch 10 is arranged between the snapping bulge 11-1 and the great wall snapping groove 11-2.

The great wall buckle groove 11-2 is matched with the bottom of the great wall clamp 9, and when the two folding claws are closed, the bottom of the great wall clamp 9 is just clamped into the great wall buckle groove 11-2. The clamping ridge 11-3 in the great wall clamping groove 11-2 can effectively increase the friction between the bottom of the clamping buckle 9-1 and the great wall clamping groove 11-2, and ensure that the clamping buckle 9-1 is not displaced and dislocated. The other purpose of the clamping ridge 11-3 is to avoid stress concentration of the buckle 9-1 of the great wall card in the forming process, prevent the buckle 9-1 from being broken from the middle part, and when the buckle 9-1 is extruded, the plurality of clamping ridges 11-3 can form a plurality of micro cracks on the surface of the buckle 9-1, thereby eliminating the phenomenon of stress concentration.

As shown in fig. 11-13, during cutting forming, the upper punch 10 rotates, the upper edge of the upper punch 10 interacts with the great wall buckle groove 11-2 to cut off two adjacent great wall buckles, the upper edge of the buckle 9-1 bends on the arc-shaped forming surface 10-1 along with the rotation of the upper punch 10, meanwhile, the lower edge of the buckle 9-1 is dragged by the lower edge of the upper punch 10 to bend upwards along the arc-shaped forming surface 10-1, and forming of one buckle 9-1 is completed after the upper punch 10 and the lower punch 11 are combined.

After completion of the punch, the cutting assembly 302 cuts the casing. As shown in fig. 3, the cutting assembly 302 includes a cutting cylinder 29 fixed to the fixed folding claw 7 and a cutting knife 30 driven by the cutting cylinder 29.

The pneumatic disk type great wall card punching device shown in fig. 1-17 comprises a base 1, a rotating column 2 arranged on the base 1, a power device 100 for driving the rotating column 2, a control device 200 arranged on the rotating column 2, a rotating disk 3 fixedly arranged on the rotating column 2, and more than one card punching machines 300 uniformly arranged on the rotating disk 3 in the circumferential direction. The position of the punched card machine 300 on the turntable 3 in the radial direction is adjustable. In this embodiment, the punched-card machine 300 is a pneumatic punched-card machine.

The power device 100 comprises a motor speed reducer 41 fixed on the base 1 and a driven sprocket 43 driven by a driving sprocket 42 on the motor speed reducer 41, wherein the driven sprocket 43 is fixedly arranged on the rotating upright post 2. The motor reducer 41 drives the rotating column 2 to rotate, and the turntable 3 and the rotating disc 32 arranged on the rotating column 2 also rotate along with the rotating column.

As shown in fig. 2, the turntable 3 is provided with a slide way 44, and the position of the card puncher 300 on the slide way 44 can be adjusted according to needs. When the sausage length needs to be changed, the bolts for fixing the punched-card machines 300 are loosened, so that the radial positions of the punched-card machines 300 on the rotary disc 3 are moved, the distance between the two punched-card machines 300 is changed, and the sausage length is changed.

As shown in fig. 16 to 17, the control device 200 includes a fixed disk 31 disposed on the base 1, a rotating disk 32 fixed on the rotating column 2, and a rotating joint 33 disposed at the bottom of the rotating column 2, the rotating disk 32 is provided with a pneumatic control valve 34, and a cutting cylinder reversing valve 35 and a checking cylinder reversing valve 36 respectively connected to the pneumatic control valve 34, and the cutting cylinder reversing valve 35 and the checking cylinder reversing valve 36 are disposed on the rotating disk 32 at regular intervals. The cutting cylinder reversing valve 35 and the punching cylinder reversing valve 36 correspond to the cutting cylinder 29 and the punching cylinder 4 on the punching machine 300 respectively.

The rotary joint 33 is used for providing power for the card punching cylinder 4 and the cutting cylinder 29, the air source enters the rotary upright post 2 through the rotary joint 33 and is distributed to the card punching cylinder 4 and the cutting cylinder 29 by the rotary upright post 2, and the card punching cylinder 4 and the lifting buckle mechanism 301 are controlled by high-pressure air conveyed by the same conveying pipeline.

The fixed disc 31 is provided with a first touch block 37 and a second touch block 38, the second touch block 38 corresponds to the cut-off cylinder reversing valve 35, and the first touch block 37 and the second touch block 38 correspond to a head replacement directional valve 39 and a tail replacement directional valve 40 of the trip cylinder reversing valve 36 respectively.

When the rotary disk 32 rotates and the first replacement directional valve 39 touches the first touch block 37, a pneumatic control signal is generated, the pneumatic control valve 34 is reversed, the punch 300 on the rotary disk 3 performs actions such as punching, the cutting cylinder reversing valve 35 touches the second touch block 38 along with the rotation of the rotary disk 32, the cutting cylinder 29 moves to cut off the casing 48, then the rotary disk 32 continues to rotate, the tail replacement directional valve 40 touches the second touch block 38, a pneumatic control signal is generated, the pneumatic control valve 34 is reversed, and the punching cylinder 4 returns.

The turntable 3 is also provided with emergency stop buttons 49, each card punch 300 corresponds to one emergency stop button, when special conditions are met, the emergency stop buttons 49 can be pressed, when the emergency stop buttons 49 are pressed, the folding claws of the corresponding card punches are opened, and the cutting-off knife 30 is retracted. And a main emergency stop switch is further arranged, when the main emergency stop switch is pressed down, the folding claws of all the card punches are opened, and all the cut-off knives 30 are retracted.

The working process is as follows: the clamping cylinder pushes the moving frame to move downwards, so that the rotary folding claw rotates to fold the casing, the casing is folded between the upper punch and the lower punch, and the great wall clamp is further folded to be cut off and extruded and formed; then, the cutting cylinder pushes out the cutting knife to cut the sausage casing, and the cutting action is completed. Then the return stroke of the cylinder is cut off, the folding claw is rotated to be opened, the return stroke of the movable frame is moved to the original position, and one time of punching action is completed.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. The utility model provides a food encapsulation punched-card machine which characterized in that: the device comprises a punching cylinder (4) and a fixed frame (5) which are fixedly arranged, a rotary folding claw (6) hinged on the fixed frame (5), a fixed folding claw (7) fixed on the fixed frame (5), a buckle lifting mechanism (301) and a cutting-off assembly (302) which are arranged on the fixed folding claw (7), a moving frame (8) driven by the punching cylinder (4), a buckle conveying mechanism (303) driven by the moving frame (8) and a conveying channel (20) for conveying the great wall card (9); an upper punch (10) is arranged at the claw center of the rotary furling claw (6), and a lower punch (11) is arranged at the claw center of the fixed furling claw (7); the punching cylinder (4) drives the moving frame (8) to move up and down, the moving frame (8) moves up and down to drive the buckle feeding mechanism (303) to feed buckles, meanwhile, the rotating furling claw (6) is driven to be buckled with the fixed furling claw (7) in a reciprocating mode, the buckle lifting mechanism (301) lifts buckles in a reciprocating mode in the reciprocating buckling process, and the buckles (9-1) are cut off and formed through the involution of the upper punch (10) and the lower punch (11) in the buckling process.

2. The food packaging punched machine according to claim 1, characterized in that: the moving frame (8) comprises a first connecting frame (8-1) and a second connecting frame (8-2), the first connecting frame (8-1) and the second connecting frame (8-2) are connected through a connecting transverse frame (8-3), the connecting transverse frame (8-3) is fixed with a piston shaft of the card punching cylinder (4), and a shifting rod blocking piece for shifting the fastener conveying mechanism (303) is arranged on the second connecting frame (8-2).

3. The food packaging punched machine according to claim 2, characterized in that: the rotary drawing claw (6) is provided with a connecting hole (45) and an arc-shaped guide groove (13), the rotary drawing claw (6) is rotatably connected to the fixed frame (5) through the connecting hole (45), and the arc-shaped guide groove (13) is in sliding connection with the first connecting frame (8-1).

4. The food packaging punched machine according to claim 2, characterized in that: the fixed furling claw (7) is provided with a linear guide groove (14), and the linear guide groove (14) is in sliding connection with the second connecting frame (8-2).

5. The food packaging punched machine according to claim 2, characterized in that: the button feeding mechanism (303) comprises a ratchet wheel (16) rotatably arranged on the fixed folding claw (7), a button feeding wheel (15) coaxially linked with the ratchet wheel (16), a button feeding shifting rod (17) coaxially arranged with the ratchet wheel (16), a pawl (18) hinged on the button feeding shifting rod (17) and a pawl pressing assembly (19), and the button feeding shifting rod (17) is shifted by the shifting rod blocking piece.

6. The food packaging punched machine according to claim 1, characterized in that: the lifting and buckling mechanism (301) comprises a buckle guide rail (21) hinged to the lower part of the conveying channel (20), a piston sleeve (22) fixed on the fixed folding claw (7) and a push rod assembly arranged in the piston sleeve (22) in a sliding mode, and the push rod assembly is matched with the piston sleeve (22); the push rod assembly comprises a piston head (23) arranged in the piston sleeve (22) in a sliding mode and a push rod (24) fixed to the piston head (23), the push rod (24) is arranged on the buckle guide rail (21) in a sliding mode, and an air hole (28) is formed in the piston sleeve (22).

7. The food packaging punched machine according to claim 6, characterized in that: the push rod (24) is sleeved with a return spring (27).

8. The food packaging punched machine according to claim 1, characterized in that: the upper punch head (10) is provided with an arc-shaped forming surface (10-1).

9. The food packaging punched machine according to claim 1, characterized in that: the lower punch (11) is provided with a breaking bulge (11-1) and a great wall buckle groove (11-2) matched with the great wall clamp (9), and a clamp edge (11-3) is arranged in the great wall buckle groove (11-2); a yielding groove (11-4) matched with the upper punch (10) is arranged between the snapping bulge (11-1) and the great wall buckling groove (11-2).

10. The food packaging punched machine according to claim 1, characterized in that: the cutting-off assembly (302) comprises a cutting-off cylinder (29) fixed on the fixed folding claw (7) and a cutting-off knife (30) driven by the cutting-off cylinder (29).

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