A kind of Bag Making Machine
Technical field
The present invention relates to the Bag Making Machines for polybag.
Background technology
Bag Making Machine is a kind of various conditions using the external world(Such as electrical heating, high frequency voltage or ultrasonic wave)Make polybag
Seal location, which is heated, becomes glutinous stream mode, and by certain pressure, the polybag processing equipment that two membranes is made to combine together.
Bag Making Machine generally comprises pedestal, is used to place polybag to be processed on pedestal, heat seal is equipped in the top of pedestal
Knife, for heat-fastening knife for carrying out heat-sealing processing to the polybag on pedestal, existing Bag Making Machine is different when being processed to polybag
Polybag generally require the heat-sealing range of different in width, and seal range and mainly determined by the width of the cutter head of heat-fastening knife,
Same heat-fastening knife generally only determines the heat-sealing range of size, therefore in actual production, in order to meet the polybag for making processing
Heat-sealing range with different in width generally requires to replace different heat-fastening knifes, and replacing heat-fastening knife will reduce to polybag processing
Efficiency, while factory in order to meet to the heat-sealing demand to different polybags, need purchase various specifications heat-fastening knife, this will
Lead to the increase of cost.
Invention content
The invention is intended to provide a kind of Bag Making Machine, to solve in the heat-sealing range for needing different in width, need artificially more
The problem of heat-fastening knife.
A kind of Bag Making Machine in this programme, the pedestal including being used to place polybag, pedestal are bottom made of ferrous material
, card slot is offered on pedestal, is equipped with the first magnet exciting coil in card slot, the left and right sides that polybag is placed in pedestal is also set respectively
There is baffle, be equipped with heat seal seat in the top of pedestal, heat seal seat is fixedly connected on external rack, and installation is offered on heat seal seat
The movable plate of hole, the interior heat-fastening knife for being equipped with slide rheostat and being slidably connected with heat seal seat of mounting hole, heat-fastening knife and slide rheostat
Pin is fixedly connected by connection sheet, and two stationary plate pins of slide rheostat are connected with the first magnet exciting coil, and heat-fastening knife includes
Cutter hub and cutter head, cutter hub are cutter hub made of ferrous material, and cutter hub is equipped with sliding rail, and cutter head includes two blades, two blades
It is slidably connected on cutter hub by sliding rail, is connected with compression spring between each blade and the baffle of respective side, is additionally provided on cutter hub
Groove, groove is interior to be equipped with the electromagnetic block that can slide and make two blades to be moved to corresponding side shield direction respectively along cutter hub, electromagnetism
The second magnet exciting coil is arranged on block.
Slide rheostat can access the length of circuit part resistive conductor to change the size of resistance, this programme by change
In, when movable plate pin moves down, the resistance value of the resistance of slide rheostat access becomes larger.
The operation principle of this programme is:When being sealed to polybag, polybag is placed on pedestal, it then will be hot
It closes knife to slide in the mounting hole of heat seal seat so that cutter head is placed in the position that polybag needs seal.
Connect the series loop that the first magnet exciting coil is formed with slide rheostat so that be passed through electricity in the first magnet exciting coil
It flows, pedestal will generate magnetic under the action of the first magnet exciting coil at this time, which will generate downwards the cutter hub of heat-fastening knife
Active force, so that cutter hub generates the heat-sealing pressure needed with dynamic cutter head to the polybag at heat-sealing.
When polybag needs relatively narrow heat-sealing range, the second magnet exciting coil power-off on electromagnetic block, in blade and baffle
Between compression spring under the action of, two blades offset, and pedestal is insufficient to allow the active force of electromagnetic block blade to overcome the work of compression spring
It firmly and to both sides moves, heat-sealing range at this time is the width of two blades.
When polybag needs wider heat-sealing range, the second magnet exciting coil on electromagnetic block is powered, the second magnet exciting coil
After energization, electromagnetic block will have magnetism, and the magnetism that electromagnetic block generates will attract each other with the magnetism that pedestal generates, in the attraction
Under the action of, electromagnetic block by push two blades respectively overcome respective side compression spring active force and moved along sliding rail to both sides,
It is the width of two blades and the sum of the width of electromagnetic block to the heat-sealing range of polybag at this time.
On the other hand when needing to process relatively thin polybag, at this time heat-fastening knife along the distance that heat seal seat moves down compared with
Greatly, under the action of connection sheet, the distance that connection sheet drives the movable plate pin of slide rheostat to move down is also larger, i.e., at this time
The resistance value for being linked into the resistance in the series loop formed with the first magnet exciting coil is larger, therefore the first magnet exciting coil obtains at this time
Electric current will be smaller, the magnetic downward active force generated to cutter hub that pedestal generates is smaller, so that cutter hub band dynamic cutter head
The heat-sealing pressure generated to the polybag at heat-sealing is also smaller, meets and processes the relatively thin smaller heat-sealing pressure of polybag needs
Requirement.
Similarly, when needing to process thicker polybag, heat-fastening knife moves down in small distance along heat seal seat at this time,
Under the action of connection sheet, the distance that connection sheet drives the movable plate pin of slide rheostat to move down is also smaller, i.e., accesses at this time
Resistance value to the resistance in the series loop formed with the first magnet exciting coil is smaller, therefore the electricity that the first magnet exciting coil obtains at this time
Stream will be larger, and the magnetic downward active force generated to cutter hub that pedestal generates is larger, so that cutter hub band dynamic cutter head is to warm
The heat-sealing pressure that polybag at envelope generates is also larger, meets and processes wanting for the larger heat-sealing pressure of thicker polybag needs
It asks.
The effect of this programme is:1st, in this programme when polybag needs to have different heat-sealing ranges, using to
The mode that two magnet exciting coils are powered causes electromagnetic block that two blades is pushed to overcome pressure using the attraction between electromagnetic block and pedestal
The active force of spring is simultaneously moved to both sides respectively, meets the needs of polybag is to different heat-sealing ranges, therefore this programme is needing with this
When wanting the heat-sealing range of different in width, artificial replacement heat-fastening knife is not needed to, it is only necessary to it is powered into the second magnet exciting coil,
With tradition compared with replacing heat-fastening knife in a manner of the heat-sealing range for realizing different in width, this programme is in actual mechanical process
Working efficiency higher, cost are lower.
2nd, this programme utilizes the control characteristic of Ohm's law and slide rheostat, when the polybag to different-thickness adds
Working hour, the size of the distance moved in heat seal seat using heat-fastening knife are linked into the first magnet exciting coil time to change slide rheostat
Resistance size in road, so that the first magnet exciting coil obtains different size of electric current, what the first magnet exciting coil obtained
Size of current is different so that pedestal will generate cutter hub different size of active force, finally so that cutter hub band dynamic cutter head is to heat-sealing
The polybag at place generates different heat-sealing pressure, therefore this programme automatically can adjust knife according to the thickness of the polybag of processing
Head does not need to be adjusted by way of artificially replacing compression spring to the heat-sealing pressure of polybag, effectively raises pair
The processing efficiency of polybag reduces the labor intensity of worker.
3rd, this programme applies the polybag at heat-sealing heat-sealing pressure using the magnetic force that pedestal generates cutter hub to realize
Purpose, with traditional compared with compression spring is provided by the way of heat-sealing pressure, the working performance more stabilization of this programme can
It leans on.
Further, electromagnetic block is the electromagnetic block with taper, and the small end of electromagnetic block taper offsets with two blades.
In the heat-sealing range for needing that there is different in width, different size of electric current is passed through into the second magnet exciting coil, this
When electromagnetic block and pedestal between will have different size of active force, under the active force, electromagnetic block will push two blades point
Different distances is not moved to both sides, electromagnetic block is different along the distance of cutter hub slide downward at this time, since electromagnetic block has taper,
So when electromagnetic block and two blades contact position there is different width, due to the heat-sealing ranging from two of polybag at this time
The width of blade and the sum of with the width of electromagnetic block of two blade contact positions, i.e., have different in width to polybag at this time
Seal range.
Further, connection sheet is fixedly connected with the movable plate pin of slide rheostat by screw, and connection sheet is led to heat-fastening knife
The mode for crossing welding is fixedly connected.
Screw connects and welding is all more common connection mode, and the performance of two kinds of connection modes is stable and operation is simple
It is single.
Further, the big end of electromagnetic block taper is equipped with protrusion, and the location hole that can be offseted with protrusion is further opened on cutter hub, fixed
Position hole is communicated with groove.Electromagnetic block with pedestal magnetism under the action of along cutter hub slide downward, when the protrusion on electromagnetic block with it is fixed
When position hole offsets, as electromagnetic block can be along the extreme lower position of cutter hub slide downward at this time, i.e., the location hole in this programme is to electromagnetism
The movement of block plays the role of limiting.
Description of the drawings
Fig. 1 is a kind of structure diagram of Bag Making Machine of the embodiment of the present invention.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail:
Reference numeral in Figure of description includes:Pedestal 1, the first magnet exciting coil 11, polybag 12, baffle 13, heat seal
Seat 2, slide rheostat 21, movable plate pin 22, connection sheet 23, cutter hub 31, electromagnetic block 32, blade 33, compression spring 34.
Embodiment is substantially as shown in Figure 1:A kind of Bag Making Machine, including pedestal 1,1 upside of pedestal is to be processed for placing
Polybag 12 offers card slot in the downside of pedestal 1, and the width of card slot is the 2/3 of 1 width of pedestal, and the depth of card slot is about bottom
The half of 1 height of seat, card slot is interior to be equipped with the first magnet exciting coil 11, and the first magnet exciting coil 11 is direct-flow magnet exciting coil, on card slot
The both sides in portion further respectively have baffle 13, and two block baffles 13 are located at the both sides of polybag 12 on pedestal 1 respectively.
Heat seal seat 2 is equipped on the top of pedestal 1, heat seal seat 2 is fixedly connected with external rack, at the middle part of heat seal seat 2 also
Equipped with mounting hole, be equipped with slide rheostat 21 and heat-fastening knife in mounting hole successively from top to bottom, wherein on slide rheostat 21 from
Top to bottm is respectively equipped with the first stationary plate pin, 22 and second stationary plate pin of movable plate pin, while in the present solution, when movable plate pin
22 when moving down, and the resistance that slide rheostat 21 is accessed is bigger.Pass through spiral shell on the movable plate pin 22 of slide rheostat 21
Nail is fixedly connected with connection sheet 23, and the lower end of connection sheet 23 is fixedly connected by welding with heat-fastening knife, and heat-fastening knife slides
It is connected on heat seal seat 2.
Heat-fastening knife includes cutter hub 31 and cutter head, and wherein cutter hub 31 is upper, and for cutter head under, cutter head includes two blades 33,
The downside of cutter hub 31 is equipped with sliding rail, and two blades 33 are slidably connected at respectively on cutter hub 31, under the action of sliding rail, two blades
33 can in the horizontal direction move along sliding rail.On the blade 33 in left side and the baffle 13 in left side, the blade 33 on right side and right side
Compression spring 34 is equipped between baffle 13, under the action of compression spring 34, two holdings of blade 33 offset.
Groove and location hole are further opened on cutter hub 31, groove and location hole communicate, while groove, upper, location hole exists
Under, electromagnetic block 32 is equipped in groove, electromagnetic block 32 is the electromagnetic block 32 with taper, and the upper end of electromagnetic block 32 is taper
Big end, the lower end of electromagnetic block 32 are the small end of taper, and protrusion, raised horizontal direction are additionally provided at the big end of 32 taper of electromagnetic block
Width be more than the width of 32 taper big end horizontal direction of electromagnetic block, while to be less than protrusion horizontal for the width of location hole horizontal direction
The width in direction.The second magnet exciting coil is additionally provided in the upper end of electromagnetic block 32, after the second magnet exciting coil is powered, electromagnetic block 32 and bottom
The active force to attract each other will be generated between seat 1.
The method of work of Bag Making Machine in this programme includes the following steps:
(1), polybag 12 to be sealed is placed on pedestal 1, then polybag 12 will between two block baffles 13
Heat-fastening knife is slided along heat seal seat 2 so that the cutter head of heat-fastening knife, which is located at polybag 12, needs the position sealed, when the relatively thin modeling of processing
During material bag 12, heat-fastening knife moved down along heat seal seat 2 it is in larger distance, under the action of connection sheet 23, connection sheet 23 drive slide
The distance that the movable plate pin 22 of dynamic rheostat 21 moves down is also larger, i.e., is linked into what is formed with the first magnet exciting coil 11 at this time
The resistance value of resistance in series loop is larger;When needing to process thicker polybag 12, heat-fastening knife is downward along heat seal seat 2 at this time
Mobile is in small distance, and under the action of connection sheet 23, connection sheet 23 drives the movable plate pin 22 of slide rheostat 21 to moving down
Dynamic distance is also smaller, i.e., the resistance value for being linked into resistance in the series loop formed with the first magnet exciting coil 11 at this time is smaller;
(2), open power supply, make heat-fastening knife cutter head heat-sealing temperature be 100-110 DEG C;
(3), connect series loop where the first magnet exciting coil 11 and slide rheostat 21, the first magnet exciting coil 11 is passed through
Electric current, at this time pedestal 1 have magnetic and downward active force generated to cutter hub 31, under the active force, cutter hub 31 is with dynamic cutter head
Heat-sealing pressure is generated to the polybag 12 at heat-sealing;When processing relatively thin polybag 12, due to being linked into and the first excitation wire
The resistance value of resistance in the series loop that circle 11 is formed is larger, therefore the electric current that the first magnet exciting coil 11 obtains at this time will be smaller,
The magnetic downward active force generated to cutter hub 31 on pedestal 1 is smaller so that cutter hub 31 with dynamic cutter head to heat-sealing at
The heat-sealing pressure that polybag 12 generates is also smaller, and meeting the relatively thin polybag 12 of processing needs wanting for smaller heat-sealing pressure
It asks, when processing thicker polybag 12, due to being linked into the resistance in the series loop formed with the first magnet exciting coil 11
Resistance value is smaller, therefore the electric current that the first magnet exciting coil 11 obtains at this time will be larger, on pedestal 1 it is magnetic to cutter hub 31 generate to
Under active force it is larger so that cutter hub 31 with dynamic cutter head at heat-sealing polybag 12 generate heat-sealing pressure it is also larger,
Meeting the thicker polybag 12 of processing needs the requirement of larger heat-sealing pressure;
(4), when need increase heat-sealing range when, to the second magnet exciting coil be powered, at this time electromagnetic block 32 will have and pedestal 1
The magnetism to attract each other generates the active force to attract each other between electromagnetic block 32 and pedestal 1, under the active force, electromagnetic block 32
By push two blades 33 respectively overcome respective side compression spring 34 active force and moved along sliding rail to both sides, to the second excitation wire
Different size of electric current is passed through in circle, there will be different size of active force between electromagnetic block 32 and pedestal 1 at this time, in the effect
Under power, electromagnetic block 32 by push two blades 33 respectively overcome respective side compression spring 34 active force and moved along sliding rail to both sides
Different distances, electromagnetic block 32 is different along the distance of 31 slide downward of cutter hub at this time, since electromagnetic block 32 has taper, so when
The contact position of electromagnetic block 32 and two blades 33 has different width, due to the heat-sealing ranging from two of polybag 12 at this time
The width of blade 33 and the sum of with the width of electromagnetic block 32 of two 33 contact positions of blade, i.e., at this time have not polybag 12
With the heat-sealing range of width.
Above-described is only the embodiment of the present invention, and the common sense such as well known concrete structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these should also be considered as protection scope of the present invention, these all do not interfere with what the present invention was implemented
Effect and practical applicability.The scope of protection required by this application should be based on the content of the claims, in specification
The records such as specific embodiment can be used for explaining the content of claim.