CN209365476U - Packing bag mouth quadrangle molding machine - Google Patents

Abstract

The utility model provides a kind of packing bag mouth quadrangle molding machine, including sucker opens the preforming component of bottom component, sack and sack styling components；It includes sucker that the sucker, which opens bottom component, for the bag bottom of packaging bag to be unfolded into sack by the sucker；The preforming component of sack includes sizing driving lever, for carrying out the bag angle that preforming processing is respectively formed with the both ends in sack to open sack by the sizing driving lever；The sack styling components include mold plate, for carrying out shaping processing to bag angle by mold plate；Setting roll, for carrying out roll-in to the bag angle after setting treatment.Realize the high yield rate and molding effect for improving packing bag mouth quadrangle molding machine.

Description

Packing bag mouth quadrangle molding machine

Technical field

The utility model relates to mechanical equipment more particularly to a kind of packing bag mouth quadrangle molding machines.

Background technique

Currently, packaging bag (such as: bag of cement or bag with fertilizer etc.) it is widely used in the packaging and transport of material.It is wrapping In bagging production line production process, the cloth of packaging bag is that double-layer structure is integrally wound in yardage roll, after yardage roll is led out, passes through cloth Cloth is cut by cutter device be sized after will be transported at bag bottom opening mechanism progress bag bottom opening processing, then again Opening is strutted by fagging.China Patent No. 2017110135032 discloses a kind of sack elevation angle former and packaging bag is raw Producing line carries out impact to sack using speed difference and realizes sizing after opening sack.But in actual use, it is easy Cause sack damaged because impact force is excessive, in addition, the edge of sack is easy to appear the phenomenon of fixed effect difference, leads to defect rate It is higher.How to design the sack molding machine of a kind of high yield rate and good forming effect is technology to be solved in the utility model Problem.

Utility model content

The utility model provides a kind of packing bag mouth quadrangle molding machine, realizes and improves packing bag mouth quadrangle molding dress The high yield rate and molding effect set.

The utility model provides a kind of packing bag mouth quadrangle molding machine, packing bag mouth quadrangle molding machine, including Sucker opens the preforming component of bottom component, sack and sack styling components；It includes sucker that the sucker, which opens bottom component, for passing through It states sucker and the bag bottom of packaging bag is unfolded into sack；The preforming component of sack includes sizing driving lever, for by described Sizing driving lever carries out the preforming bag angle for handling and being respectively formed with the both ends in sack to open sack；The sack sizing group Part includes mold plate, for carrying out shaping processing to bag angle by mold plate；Setting roll, for the bag angle after setting treatment into Row roll-in.

It further, further include pipeline, the pipeline opens bottom group for packaging bag to be fed sequentially into the sucker At part, the preforming component of the sack and the sack styling components.

Further, the sack styling components include first support, first rotating shaft, first motor and power transmission mould Block, the first rotating shaft are rotatably mounted in the first support, and the first linking arm is additionally provided in the first rotating shaft, The free end of first linking arm is provided with the mold plate, and the power transmission module is for transmitting the first motor To drive the first rotating shaft to rotate, the power transmission module is also used to be moved to sizing in the mold plate power of output Position at when stop setting duration

Further, the power transmission module includes master gear, planetary gear mechanism and actuator, and the master gear can Rotation is mounted in the first support, and the first motor is for driving the master gear to rotate, the planetary gear machine Structure includes intermeshing sun gear and planetary gear, and the sun gear is coaxially arranged with the master gear and is fixed on described first On bracket, the planetary gear is rotatably mounted on the master gear, and the planetary gear is also connected with the first crank, and described The free end of one crank is provided with rotatable sliding block, and the actuator is arranged in the first rotating shaft, and the sliding block can The setting of sliding is on the actuator.

When further, at the position that the mold plate is moved to sizing, the sliding block pivot center and the main tooth The distance between wheel shaft line is not more than the distance between the pivot center at first crank both ends.

Further, the mold plate includes two arc-shaped plates being arranged symmetrically, the both ends part of the arc-shaped plate It is not provided with sizing wedge angle, the arc-shaped plate is arranged on first linking arm.

Further, the setting roll includes main pressure roller and auxiliary pressure roller, along packaging bag conveying direction, the auxiliary pressure roller It is sequentially arranged with the main pressure roller, wherein the auxiliary pressure roller is located between the vertical projection region of two arc-shaped plates.

Further, the sucker opens the song that bottom component includes second support, gas main and the rotation of two synchronous backwards Handle link mechanism, the crank link mechanism and the gas main are arranged in the second support, and the sucker is arranged in institute It states on crank link mechanism, the crank link mechanism is for driving the sucker to move in circles movement, the crank connecting link machine Structure has the gas channels for being connected to the gas main and the sucker.

Further, the crank link mechanism include the second crank, third crank and connection frame, second crank and The third crank is spindle rotationally arranged in the second support, and the connection frame is hinged on second crank and described Between three cranks, it is formed with the gas channels in second crank, air intake duct, the air-breathing are provided on the connection frame Multiple suckers are connected on pipe, the air intake duct is connected to the gas channels.

Further, the preforming component of the sack include third bracket and be arranged on the third bracket two A synchronization and the rotation axis rotate in same direction, the free end of the rotation axis are provided with the second linking arm, and the sizing driving lever is set It sets on second linking arm, two rotation axis are mutually inclined and are arranged symmetrically.

Packing bag mouth quadrangle provided by the utility model molding machine, opening the sucker in bottom component by sucker will pack After the bag bottom of bag is opened, then it is preforming to form bag angle to sack progress by the sizing driving lever in the preforming component of sack, finally Processing is carried out shaping to bag angle by the mold plate in sack styling components again, in this way, just without biggish impact force pair Sack carries out shaping, and reduces sack and damaged situation generation occurs, meanwhile, mold plate can carry out the edge at bag angle better Sizing, to improve the high yield rate and molding effect of product.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the structural schematic diagram one of the utility model packing bag production line；

Fig. 2 is the structural schematic diagram two of the utility model packing bag production line；

Fig. 3 is the structure that sucker opens bottom component and the preforming component of sack in the utility model packing bag production line embodiment Schematic diagram one；

Fig. 4 is the structure that sucker opens bottom component and the preforming component of sack in the utility model packing bag production line embodiment Schematic diagram two；

Fig. 5 is the structure that sucker opens bottom component and the preforming component of sack in the utility model packing bag production line embodiment Schematic diagram three；

Fig. 6 is sectional view along A-A in Fig. 5；

Fig. 7 is the partial enlargement diagram of B area in Fig. 6；

Fig. 8 is the partial enlargement diagram in the region C in Fig. 6；

Fig. 9 is the structural schematic diagram of sack styling components in the utility model packing bag production line embodiment；

Figure 10 is the explosive view of sack styling components in the utility model packing bag production line embodiment.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to The range of the utility model protection.

As shown in Fig. 1-Figure 10, the present embodiment packing bag mouth quadrangle molding machine, including sucker open bottom component 1, sack Preforming component 2 and sack styling components 3；

It includes sucker 11 that the sucker, which opens bottom component 1, for being unfolded into the bag bottom of packaging bag by the sucker 11 Sack；

The preforming component 2 of sack includes sizing driving lever 21, for the sack by 21 pairs of the driving lever openings of sizing Carry out the preforming bag angle for handling and being respectively formed with the both ends in sack；

The sack styling components 3 include mold plate 31, for carrying out shaping processing by 31 pairs of bag angles of mold plate.

Specifically, the present embodiment packing bag mouth quadrangle molding machine pass sequentially through sucker open bottom component 1, sack in advance at Type component 2 and sack styling components 3 carry out out bag, preforming and setting treatment to the bag bottom of packaging bag, so that packaging bag Bag bottom forms the symmetrical bag angle of shape flat configuration.Wherein, for the ease of transport package, the present embodiment packing bag mouth quadrangle Molding machine further includes pipeline 4, and the pipeline 4, which is used to for packaging bag to be fed sequentially into the sucker, opens bottom component 1, described At the preforming component 2 of sack and the sack styling components 3, pipeline 4 can be used using the conveying of packaging bag in the prior art Equipment, the present embodiment to the specific manifestation entity of pipeline 4 with no restrictions.In addition, the bag in order to preferably keep sizing Angular shape, for the bag angle by the packaging bag after 3 setting treatment of sack styling components, also further by setting roll 5 into Row roll-in setting treatment, specifically, setting roll 5 is resisted against on pipeline 4 and is located at the rear station of sack styling components 3, packet After 3 setting treatment of sack styling components, setting roll 5 can be to the further roll-in in bag angle after sizing, to guarantee for pack Bag corner edge is smooth.

It is directed to the specific constructive form of above three component as follows and its is illustrated using function.

One, for sucker opens bottom component 1, sucker, which opens bottom component 1, to utilize the suction of sucker 11 by packaging bag Two layers bag of bottom of bag layer adsorbing separation is opened, wherein provides negative-pressure sucking to mobile sucker 11 for convenience, sucker opens bottom component packet Include the crank link mechanism of second support 10, gas main 12 and the rotation of two synchronous backwards, the crank link mechanism and institute It states gas main 12 to be arranged in the second support 10, the sucker 11 is arranged on the crank link mechanism, the crank For driving the sucker 11 to move in circles movement, the crank link mechanism has for being connected to the gas main link mechanism 12 and the sucker 11 gas channels.Specifically, configured in second support 10 there are two the crank link mechanism being arranged symmetrically, Two crank link mechanisms can be synchronized and be rotated backward, in this way, the sucker 11 of two sides can be driven close to each other and separate, To complete the operation of bag bottom sack opening, on the one hand crank link mechanism is able to drive sucker 11 and moves in circles movement, another party Gas channels are formed in the crank link mechanism of face also to be connected to sucker 11 and gas main 12, in this way, gas main 12 is fixedly mounted on The negative-pressure sucking formed in gas main 12 to provide negative-pressure sucking can be connect in second support 10 with external vacuum pump to pass through Gas channels pass to sucker 11, in this way, can be without the additional connecting line on sucker 11, it is ensured that sucker 11 is back and forth moving During dynamic can smooth reliable movement, avoid occurring because 11 external pipeline of sucker occurs pipeline winding when moving therefore Barrier, improves use reliability.Wherein, the crank link mechanism includes the second crank 13, third crank 14 and connection frame 15, Second crank 13 and the third crank 14 are spindle rotationally arranged in the second support 10, and the connection frame 15 is hinged Between second crank 13 and the third crank 14, the gas channels are formed in second crank 13, it is described It is provided with air intake duct 16 on connection frame 15, multiple suckers 11, the air intake duct 16 and institute are connected on the air intake duct 16 State gas channels connection.Specifically, air intake duct 16 uses stereoplasm tube, it on the one hand can be used in that sucker 11 is installed, on the other hand may be used It is connected to being fixed on connection frame 15 with gas channels, forms gas channels inside the second crank 13 to realize gas main 12 and inhale Pipeline connection between tracheae 16.Wherein, the both ends of the second crank 13 are respectively arranged with the first connecting shaft 131 and the second connection Axis 132 is provided with the first gas channel 1310 in first connecting shaft 131, is provided with the second gas in second connecting shaft 132 Channel 1320, third gas channel 1300 is provided in second crank 13, and first gas channel 1310, the third gas are logical Road 1300 and second gas channel 1320 are sequentially communicated to form the gas channels, first gas channel 1310 and described total Tracheae 12 is connected to, and second air passage 1320 is connected to the air intake duct 16, the inside of the second crank 13 and thereon two Root connecting shaft is corresponding to be set as hollow structure to form gas channels.And be attached for convenience with gas main 12, always The both ends of tracheae 12 are respectively arranged with the first air cavity 120, and the upper end sealing of first connecting shaft 131 is inserted in corresponding institute It states in the first air cavity 120, connection first gas channel 1310 is offered on the outer wall of the upper end of first connecting shaft 131 With the first venthole (unmarked) of first air cavity 120；The connection frame 15 and the hinged end of second connecting shaft 132 Portion forms the second air cavity 150, and the lower end sealing of second connecting shaft 132 is inserted in corresponding second air cavity 150, institute It states and offers connection second gas channel 1320 and second air cavity 150 on the outer wall of the lower end of the second connecting shaft 132 The second venthole (unmarked), specifically, since the first connecting shaft 131 is required to rotate relative to gas main 12, and the Two connecting shafts 132 can be rotated relative to connection frame 15, and the first connecting shaft 131 is inserted into the first air cavity 120 and realizes and total gas The connection of 12 dynamic sealing of pipe is realized and 15 dynamic sealing of connection frame company likewise, the second connecting shaft 132 is inserted into the second air cavity 150 It connects, in this way, can guarantee the conveying that can be also used for strength while the rotation of the second crank 13.And for convenience will connection Axis is mounted on the second crank 13, and the both ends of the second crank 13 are respectively arranged with mounting hole (unmarked), first connection Axis 131 and second connecting shaft 132 are inserted in the corresponding mounting hole, and first gas channel 1310 and second gas are logical Road 1320 is connected to by the corresponding mounting hole with third gas channel 1300 respectively, the first connecting shaft 131 and described Two connecting shafts 132 can be sealingly mounted in mounting hole by the way of being threadedly coupled.

Two, for the preforming component 2 of sack, the sizing driving lever 21 in the preforming component 2 of sack is able to enter bag In mouthful, sizing driving lever 21 can strut the both ends of sack with preforming bag angle, specifically, the preforming component 2 of sack includes the Three brackets (not shown) and two synchronizations being arranged on the third bracket and the rotation axis 22 rotate in same direction, described turn The free end of moving axis 22 is provided with the second linking arm 23, and the sizing driving lever 21 is arranged on second linking arm 23, and two A rotation axis 22 is mutually inclined and is arranged symmetrically.Specifically, two inclination rotations positioned opposite are arranged on third bracket Axis 22, rotation axis 22 drives two sizing driving levers 21 to rotate synchronously by the second linking arm 23, due to two 22 phases of rotation axis To inclination arrangement, in this way, can be so that sizing driving lever 21 is during cycle rotation, two sizing driving levers 21 opposite can lean on Near and far is from specifically, PLC controller controls driving motor and drives 22 turns of rotation axis after the bag bottom of packaging bag is opened by sucker suction Dynamic, bag bottom middle part opens that bottom size is larger, and pocket-like is presented in bag bottom two sides compared with two sides, the driving of PLC controller control at this time Motor quick rotation, so that sizing 21 one end of driving lever rapidly enters in sack, the movement speed for driving lever 21 of being formed is compared to packet Pack movement speed is very fast, and the front side bag angle of packaging bag is carried out preforming processing by sizing driving lever 21；Then, PLC is controlled Device controls driving motor moment reduction revolving speed, so that sizing 21 velocity of rotation moment of driving lever is slack-off, the front end for driving lever 21 of being formed Portion is detached from preceding side pocket angle, and the rear side at bag bottom reaches the rear end of sizing driving lever 21, at this point, packaging bag movement speed is compared It is very fast in sizing driving lever 21, it is by sizing driving lever 21 that the rear side bag angle of packaging bag is quickly preforming, in this way, passing through sizing driving lever 21 can complete the pre-forming operations at packaging bag bag angle；And in actual use, in order to meet the requirement of rotary motion, sizing Driving lever 21 is curved rod.Wherein, the second linking arm 23 is connected perpendicular to the arrangement of the axis of the rotation axis 22 with passing through second Arm 23 drives sizing driving lever 21 to rotate, and in order to realize compact-sizedization, it is offered on third bracket for being dialled for the sizing The gap structure 20 that bar is walked, when driving lever 21 of being formed turns to upper position, sizing driving lever 21 can pass through gap structure 20, To reduce the distance between third bracket and rotation axis 22.And power transmission for convenience, be provided on third bracket with it is described The gear-box 24 of 22 corresponding matching of rotation axis, setting (is not schemed there are two intermeshing horizontal bevel gear in the gear-box 24 Show) and vertical bevel gear (not shown), the rotation axis 22 is arranged on the vertical bevel gear, specifically, external power supply Rotation axis 22 is driven to rotate by gear-box 24, such as: synchronizing wheel 241, two institutes are provided in the shaft of horizontal bevel gear It states and is provided with synchronous belt 242 in synchronizing wheel 241, two vertical bevel gears are located at the same side of the corresponding gear-box, One of synchronizing wheel 241 is sequentially connected to realize that the synchronizing wheel 241 rotates, in the effect of synchronous belt 242 with external power supply Under, it is ensured that two synchronizing wheels 241 rotate synchronously, and synchronizing wheel 241 drives rotation axis by horizontal bevel gear and vertical bevel gear 22 rotations.In addition, the inclined direction of two rotation axis 22, then be obliquely installed along packaging bag transmission direction ecto-entad side. For third bracket, the preforming component 2 of sack and sucker, which open bottom component 1 and can share a bracket, to be installed, i.e., and Two brackets 10 and third bracket are integral structure.And the power for opening bottom component 1 and the preforming component 2 of sack for sucker provides Mode can also provide power drive operating using motor.

Three, for sack styling components 3, sack styling components 3 can be to preforming bag angle by mold plate 31 Edge is further formed, to ensure the more smooth beauty of bag angle shape, wherein for the method for operation of mold plate 31 Specific as follows: sack styling components 3 include first support 32, first rotating shaft 33, first motor 34 and power transmission module 35, institute It states first rotating shaft 33 to be rotatably mounted in the first support 32, is additionally provided with the first linking arm in the first rotating shaft 33 331, the free end of first linking arm 331 is provided with the mold plate 31, and the power transmission module is for transmitting institute The power of the output of first motor 34 is stated to drive the first rotating shaft 33 to rotate, the power transmission module is also used to described fixed Setting duration is stopped when template 31 is moved at the position of sizing.Specifically, power is passed through power transmission mould by first motor 34 Block 35 passes to first rotating shaft 33, and mold plate 31 is driven to rotate by first rotating shaft 33, meanwhile, mold plate 31 is in rotation process In, when mold plate 31 is moved at the position of bottom carried out shaping to bag angle, mold plate 31 will stop setting duration to realize Processing is carried out shaping to the front and back side pocket angle of packaging bag.And power transmission module 35 include master gear 351, planetary gear mechanism and Actuator 352, the master gear 351 are rotatably mounted in the first support 32, and the first motor 34 is for driving The master gear 351 rotates in first support 32, and the planetary gear mechanism includes intermeshing sun gear 353 and planet Wheel 354, the sun gear 353 is coaxially arranged with the master gear 351 and is fixed in the first support 32, the planetary gear 354 are rotatably mounted on the master gear 351, and the planetary gear 354 is also connected with the first crank 355, and described first is bent The free end of handle 355 is provided with rotatable sliding block 356, and the actuator 352 is arranged in the first rotating shaft 33, described Sliding block 356 is slidably disposed on the actuator 352.Specifically, first motor 34 drives master gear 351 to rotate, main tooth Wheel 351 will drive planetary gear 354 to revolve around sun gear 353, while planetary gear 354 is also by rotation to drive the first crank 355 Rotation, the first crank 355 drive actuator 352 to rotate by sliding block 356, and actuator 352 is fixed in first rotating shaft 33, turn Dynamic first rotating shaft 33, which is finally realized, drives mold plate 31 to rotate.Since the rotation of actuator 352 passes through cunning by the first crank 355 Block 356 come pull realize, when at the position that the mold plate 31 is moved to sizing, 356 pivot center of sliding block with it is described The distance between 351 pivot center of master gear L2 is not more than the distance between the pivot center at 355 both ends of the first crank L1, at this point, sliding block 356 will be slided along actuator 352 without generating motive force to actuator 352, simultaneously as planetary gear 354 mediate with sun gear 353, so that sliding block 356 can also further limit the rotation of actuator 352；And with the first crank 355 During following master gear 351 to continue to rotate, between 351 pivot center of 356 pivot center of sliding block and the master gear Distance L2 will first become smaller and become larger afterwards, and when L2 is greater than L1, sliding block 356 will pull on actuator 352 and rotate, to realize mold plate 31 are moved at the position of sizing and intermittent can pause, to meet the requirement of sizing.Wherein, the time for stopping setting duration is long It is short, it is determined by the length of the first crank 355；In addition, actuator 352 can be the connecting plate with sliding slot 5321, the cunning Block 356 is slidably arranged in the sliding slot 5321；Alternatively, the actuator 352 is guide rod, it is provided on the sliding block 356 Pilot hole, the guide rod are inserted in the pilot hole.Ensure and in order to master gear 351 can smooth stable rotation, main tooth The clump weight 357 for balancing the planetary gear 354 is additionally provided on wheel 351, in this way, clump weight 357 can be to planetary gear 354 And its first crank 355 and sliding block 356 of connection carry out counterweight balance, to ensure that master gear 351 will not be led because of centre-of gravity shift Cause rotation unstable.It is accurately carried out shaping for convenience by mold plate 31, the mold plate 31 includes two and is arranged symmetrically Arc-shaped plate 311, the both ends of the arc-shaped plate 311 be respectively arranged with sizing wedge angle (unmarked), the arc-shaped plate 311 are arranged on first linking arm 331, and the sizing wedge angle of arc-shaped 311 end of plate is inserted into bag angle to edge It carries out shaping, and the outer side edges at the both ends of the arc-shaped plate 311 are inclined side, to meet the shape of bag corner edge；It is preferred that , setting roll 5 includes main pressure roller 51 and auxiliary pressure roller 52, along packaging bag conveying direction, the auxiliary pressure roller 52 and the main pressure Roller 51 is sequentially arranged, and auxiliary pressure roller 52 is located between the vertical projection region of two arc-shaped plates 311, in this way, bag angle is being passed through After two arc-shaped plates 311 are formed, then by assisting pressure roller 52 to be further formed, it can guarantee a bag the top of the horn head in this way The planarization of position, further, then by main pressure roller 51 to the progress roll-in sizing of entire bag angle.

The utility model also provides a kind of control method of above-mentioned packing bag mouth quadrangle molding machine, comprising:

Open process in bag bottom: packaging bag is first delivered to sucker and opens at bottom component, and opening the sucker in bottom component by sucker will wrap It opens at the bag bottom of pack.It opens at bottom component specifically, packaging bag is moved to sucker by pipeline, is opened bag bottom by sucker Form sack.

Sack predetermined process: after completing bag bottom opening process, packaging bag is continued to move at the preforming component of sack, bag Sizing driving lever in the preforming component of mouth, which is inserted into open bag bottom, is correspondingly formed front side bag angle with after with the both ends at bag bottom Side pocket angle.Specifically, packaging bag continues to move at the preforming component of sack, driving lever of being formed after the bag bottom of packaging bag is opened The front end that front end is initially inserted into bag bottom forms front side bag angle, at this point, the linear velocity of the front end of sizing driving lever is greater than packaging The movement speed of bag；After the bag angle molding of front side, the rear end that the rear end for driving lever of being formed is initially inserted into bag bottom forms front side bag angle At this point, the linear velocity of the rear end of sizing driving lever is less than the movement speed of packaging bag, in this way, can be in the rear ends at bag bottom Form bag angle.

Sack predetermined process: after completing sack predetermined process, packaging bag is continued to move at sack styling components, bag Mold plate in mouth styling components, which is sequentially inserted into front side bag angle and rear side bag angle, carries out bag angle setting treatment.Specifically, packet After the bag angle of pack is preforming, packaging bag is continued to move at sack styling components, and the front end of mold plate is initially inserted into front side Bag angle carries out shaping, at this point, the linear velocity of the front end of mold plate is greater than the movement speed of packaging bag；After the bag angle sizing of front side, Mold plate pause movement, packaging bag continues to move to so that the rear end of mold plate is inserted into rear side bag angle and carries out shaping, rear side bag After the sizing of angle, mold plate is continued to rotate, at this point, the linear velocity of the rear end of mold plate is greater than the movement speed of packaging bag.

Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations； Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc. With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution The spirit and scope of scheme.

Claims (10)

1. a kind of packing bag mouth quadrangle molding machine, which is characterized in that including sucker open the preforming component of bottom component, sack and Sack styling components；

It includes sucker that the sucker, which opens bottom component, for the bag bottom of packaging bag to be unfolded into sack by the sucker；

The preforming component of sack includes sizing driving lever, preforming for being carried out by the sizing driving lever to open sack Handle the bag angle being respectively formed with the both ends in sack；

The sack styling components include mold plate, for carrying out shaping processing to bag angle by mold plate；

Setting roll, for carrying out roll-in to the bag angle after setting treatment.

2. packing bag mouth quadrangle according to claim 1 molding machine, which is characterized in that it further include pipeline, it is described Pipeline is used to for packaging bag being fed sequentially into the sucker and opens bottom component, the preforming component of the sack and sack sizing At component.

3. packing bag mouth quadrangle according to claim 1 molding machine, which is characterized in that the sack styling components packet First support, first rotating shaft, first motor and power transmission module are included, the first rotating shaft is rotatably mounted on described first On bracket, the first linking arm is additionally provided in the first rotating shaft, it is described fixed that the free end of first linking arm is provided with Template, the power transmission module are used to transmit the power of the first motor output to drive the first rotating shaft rotation, institute It states and stops setting duration when power transmission module is also used at the position that the mold plate is moved to sizing.

4. packing bag mouth quadrangle according to claim 3 molding machine, which is characterized in that the power transmission module packet Master gear, planetary gear mechanism and actuator are included, the master gear is rotatably mounted in the first support, and described first For motor for driving the master gear to rotate, the planetary gear mechanism includes intermeshing sun gear and planetary gear, described Sun gear is coaxially arranged with the master gear and is fixed in the first support, and the planetary gear is rotatably mounted on described On master gear, the planetary gear is also connected with the first crank, and the free end of first crank is provided with rotatable sliding block, The actuator is arranged in the first rotating shaft, and the sliding block is slidably disposed on the actuator.

5. packing bag mouth quadrangle according to claim 4 molding machine, which is characterized in that be moved in the mold plate When at the position of sizing, the distance between the sliding block pivot center and the master gear pivot center are bent no more than described first The distance between the pivot center at handle both ends.

6. packing bag mouth quadrangle according to claim 3 molding machine, which is characterized in that the mold plate includes two The arc-shaped plate being arranged symmetrically, the both ends of the arc-shaped plate are respectively arranged with sizing wedge angle, and the arc-shaped plate setting exists On first linking arm.

7. packing bag mouth quadrangle according to claim 6 molding machine, which is characterized in that the setting roll includes main pressure Roller and auxiliary pressure roller, along packaging bag conveying direction, the auxiliary pressure roller and the main pressure roller are sequentially arranged, wherein the auxiliary Pressure roller is located between the vertical projection region of two arc-shaped plates.

8. packing bag mouth quadrangle according to claim 1 molding machine, which is characterized in that the sucker opens bottom component packet Include the crank link mechanism of second support, gas main and the rotation of two synchronous backwards, the crank link mechanism and described total Tracheae is arranged in the second support, and the sucker is arranged on the crank link mechanism, and the crank link mechanism is used In driving the sucker to move in circles movement, the crank link mechanism has for being connected to the gas main and the sucker Gas channels.

9. packing bag mouth quadrangle according to claim 8 molding machine, which is characterized in that the crank link mechanism packet The second crank, third crank and connection frame are included, second crank and the third crank are spindle rotationally arranged in described second On bracket, the connection frame is hinged between second crank and the third crank, is formed in second crank Gas channels are stated, air intake duct is provided on the connection frame, multiple suckers, the air intake duct are connected on the air intake duct It is connected to the gas channels.

10. packing bag mouth quadrangle according to claim 1 molding machine, which is characterized in that preforming group of the sack Part includes third bracket and two synchronizations being arranged on the third bracket and the rotation axis rotate in same direction, the rotation The free end of axis is provided with the second linking arm, and the sizing driving lever is arranged on second linking arm, two rotations Axis is mutually inclined and is arranged symmetrically.