CN218022594U - Pillow type packing machine with variable bag width - Google Patents

Abstract

The utility model discloses a pillow type packing machine with variable bag width, which comprises a paper separating mechanism, a forming mechanism, a longitudinal sealing mechanism, a transverse sealing mechanism and a cutting mechanism which are arranged on a frame, wherein the packing machine is matched with a plurality of mechanisms suitable for different bag widths; the paper separating mechanism is arranged on the rack through a guide rail, and one end of the paper separating mechanism is limited and the other end of the paper separating mechanism is connected with power; the forming mechanism is arranged on the frame through a positioning mechanism; the left side of the longitudinal sealing mechanism can be opened, and the right end of the longitudinal sealing mechanism is provided with a taper pin structure which can be quickly disassembled and assembled; the driving shafts of the inner die and the outer die of the transverse sealing mechanism are coaxially nested, and the inner dies with different specifications are replaced to adapt to the production of products with different bag widths; the cutting mechanism female die, the male die and the cross beam are all provided with a quick assembling and disassembling mechanism, so that the female die cross beam is separated from the frame body conveniently, and the male die cross beam is separated from the driving connecting rod. Utilize the utility model discloses during the different bag width products of packagine machine production, need not purchase many pillow packagine machine, only need change the utility model discloses relevant mechanism in the pillow packagine machine can begin production, has practiced thrift equipment purchasing cost and has reduced the place and occupy.

Description

Pillow type packing machine with variable bag width

Technical Field

The utility model relates to a equipment for packing, more specifically a pillow formula packagine machine that is used for back of body to seal pillow formula bag packing is applicable to trades such as medicine, food.

Background

At present, a lot of products in the industries of medicines, foods, milk powder and the like in the market are packaged and sold through pillow type bags, the sold pillow type bag products are exquisite in package, various in types and high in consumer selectivity, and a pillow type packaging machine is widely applied to the industry as pillow type bag production equipment.

The existing pillow type packaging machine has the advantages of rapid development and mature technology, and can meet the packaging requirements of a plurality of products. However, investigation has found that the existing pillow type packaging machine can only produce pillow type bag products with one bag width, and different bag width products need to be produced by different pillow type packaging machines.

SUMMERY OF THE UTILITY MODEL

To the above prior art, the utility model provides a pillow type packaging machine scheme can adapt to the packing production of the wide pillow type bag of different bags. The utility model discloses make quick detach or removable form with the mechanism that relates to the bag width on the pillow package machine among the technical scheme to satisfy the wide pillow formula bag production demand of different bags.

In order to solve the technical problem, the utility model provides a pillow type packaging machine with variable bag width, which comprises a frame, wherein a paper separating mechanism, a forming mechanism, a longitudinal sealing mechanism, a transverse sealing mechanism and a cutting mechanism are sequentially arranged on the frame from top to bottom, and the pillow type packaging machine is provided with a plurality of sets of paper separating mechanisms, forming mechanisms, longitudinal sealing mechanisms, transverse sealing mechanisms and cutting mechanisms which are suitable for different bag widths;

the paper separating mechanism comprises a transmission roller, a paper separating knife roller and a paper guide roller; a paper separating guide rail is fixed on the machine frame at the position where the paper separating mechanism is installed, a guide seat in sliding fit with the paper separating guide rail is fixed at each of the left end and the right end of the paper separating mechanism, the guide seats can slide left and right along the paper separating guide rail, and the guide seats are fixed with the paper separating guide rail through fastening screws; a limiting structure is arranged between one end of the paper separating mechanism and the paper separating guide rail; the other end of the paper separating mechanism is provided with a speed reducer, and the speed reducer is connected with the transmission roller through a plum coupling; when the width specification of the processed product bag is changed, the speed reducer is firstly disassembled, and the paper separating mechanism is disassembled, replaced and then the speed reducer is installed;

the forming mechanism comprises a former, a left forming semi-ring, a right forming semi-ring and a former back plate, the former and the left forming semi-ring are arranged in front of the former back plate, and four limiting sheets arranged in two rows and two columns are arranged behind the former back plate; the frame is provided with a positioning and mounting structure for the back plate of the former, and the back plate of the former can be dismounted and mounted when the width specification of a processed product bag is changed;

the longitudinal sealing mechanism comprises a longitudinal sealing beam, a left longitudinal sealing crank and a right longitudinal sealing crank are respectively arranged on the left side and the right side of the longitudinal sealing beam, a left mounting seat is fixed on the left longitudinal sealing crank, a left mounting plate which can be opened relative to the left mounting seat is arranged on the left side of the longitudinal sealing beam, and a double-positioning taper pin connecting structure is arranged between the right longitudinal sealing crank and the right side of the longitudinal sealing beam; the double-positioning taper pin connecting structure is used for assembling and disassembling the longitudinal sealing beam;

the transverse sealing mechanism comprises a transverse sealing inner die, an inner die driving shaft, a transverse sealing outer die and an outer die driving shaft, wherein the inner die driving shaft is sleeved on the outer die driving shaft in a shaft sleeve mode;

the cutting mechanism comprises a female die of the cutting tool assembly and a male die of the cutting tool assembly, the female die of the cutting tool assembly is arranged on a female die cross beam, the male die of the cutting tool assembly is arranged on a male die cross beam, the female die cross beam is fixed, and the male die cross beam reciprocates back and forth; the left end and the right end of the outer side of the female die cross beam are respectively provided with a side plate fixed with the rack, an assembly and disassembly assembly is arranged between the side plates and the female die cross beam and is used for quickly assembling and disassembling the female die cross beam; the front and back reciprocating movement of the male die cross beam is driven by pull rods arranged on two sides of the male die cross beam, a detachable connecting assembly is arranged between the end part of each pull rod and the male die cross beam, and the detachable connecting assembly realizes the driving and the quick disassembly and assembly of the male die cross beam.

Further, variable bag width pillow formula packagine machine, wherein:

the limiting structure comprises a tensioning clamp seat fixed on the paper separating guide rail and a first tensioning hook fixed at the end part of the paper separating mechanism, and a limiting screw and a first tensioning clamp are arranged on the tensioning clamp seat; a speed reducer fixing seat is fixed at the other end of the paper separating mechanism, the speed reducer is fixed on a speed reducer mounting seat, the speed reducer mounting seat is embedded in the speed reducer fixing seat, and a split type locking structure for axial positioning of the paper separating mechanism is arranged between the speed reducer mounting seat and the speed reducer fixing seat; the split locking structure comprises a second tensioning clamp arranged on the speed reducer mounting seat and a second tensioning hook arranged on the speed reducer fixing seat.

The positioning and mounting structure comprises a frame consisting of two transverse plates and two side plates, and four limiting seats which correspond to the four limiting pieces one by one are arranged on the two transverse plates; the outer sides of the two side plates are respectively provided with a first indexing pin, the side plates are provided with pin holes, and the first indexing pins are inserted into the pin holes to complete the upper and lower limiting of the former; and each side edge of the back plate of the former is provided with an upper tensioning hook and a lower tensioning hook, a third tensioning clamp corresponding to the third tensioning hook is arranged on the side plate, and the third tensioning clamp and the third tensioning hook are locked and matched to complete the front and back limiting of the former.

Two location taper pin connection structure include right side mount pad and right side mounting panel, the right side mount pad with the right side is indulged and is sealed the crank fixed, the right side mounting panel with indulge the right side of sealing the crossbeam fixed, the front of mount pad is equipped with two toper locating pins, be equipped with on the right side mounting panel two with toper locating pin complex bell mouth, the end of toper locating pin is the double-screw bolt form, the right side mounting panel cover is in on two toper locating pins of right side mount pad, it is fixed through lock nut.

Two conical positioning pins in the double-positioning taper pin connecting structure are provided with threaded holes and are assembled with anti-falling screws.

A linear bearing is arranged between the outer mold driving shaft and the inner mold driving shaft; the shaft end of the outer mold driving shaft is fixed with the transverse sealing outer mold through an outer mold positioning pin; a shaft shoulder for positioning the transverse-sealed inner mold is arranged on the inner mold driving shaft, a taper sleeve is connected to a shaft section positioned on the outer side of the shaft shoulder, an inner hole of the transverse-sealed inner mold is a taper hole matched with the taper sleeve, and the transverse-sealed inner mold is fixed with the taper sleeve through an inner mold positioning pin; and a compression spring for sealing and buffering is arranged between the taper sleeve and the shaft shoulder.

The assembly and disassembly assembly comprises two fourth tensioning clamps arranged on the left side and the right side of the female die cross beam respectively, and a hanging piece on the side plate, wherein two hooks are arranged on the hanging piece, and the two hooks respectively correspond to the positions of the two fourth tensioning clamps; the side plates are embedded with positioning taper pins, and the female die cross beam is provided with positioning taper pin holes corresponding to the positioning taper pins; the hook and the fourth tensioning clamp are locked to determine the front and rear positions of the female die beam; when the fourth tensioning clamp is locked with the hanging piece, the positioning taper pin is tightly matched with the positioning taper pin hole; when the fourth tensioning clamp is separated from the hook, the female die beam can be detached.

The detachable connecting assembly comprises a joint bearing arranged at the end part of the pull rod, and a pin shaft is inserted into the joint bearing; the left end and the right end of the male die cross beam are respectively provided with two latch components, and the two latch components are used for limiting the pin shaft; the latch component consists of a movable clamping piece and a fixed clamping piece which slide relatively; when the male die cross beam is installed, two ends of the pin shaft are respectively placed into the semicircular grooves of the two fixed clamping pieces, then the two movable clamping pieces are pushed inwards, the semicircular grooves of the two movable clamping pieces cover the pin shaft, and the movable clamping pieces are locked by the second indexing pin, so that the pin shaft is limited; and (4) disassembling the male die cross beam and removing the two latch assemblies.

Compared with the prior art, the beneficial effects of the utility model are that: when using the producer to produce different bag width products, need not purchase many pillow packagine machine, only need change the utility model discloses relevant mechanism in the pillow packagine machine can begin to produce, has practiced thrift equipment purchasing cost and has reduced the place and occupy.

Drawings

FIG. 1 is a schematic view of a variable bag width pillow type packaging machine;

FIG. 2-1 is a schematic structural view of the paper separating mechanism of the present invention;

FIG. 2-2 is a front view of the dispensing mechanism shown in FIG. 2-1;

2-3 are partial schematic structural views of the dispensing mechanism shown in FIG. 2-1;

FIG. 3-1 is a schematic structural view of a forming mechanism of the present invention;

FIG. 3-2 is a front view of the molding mechanism shown in FIG. 3-1;

FIG. 3-3 is a side view of the molding mechanism shown in FIG. 3-1;

FIG. 4-1 is a schematic structural view of a longitudinal sealing mechanism of the present invention;

FIG. 4-2 is a right side partial cross-sectional view of the longitudinal sealing mechanism shown in FIG. 4-1;

FIG. 5-1 is a top view of the middle cross sealing mechanism of the present invention;

FIG. 5-2 is a side view of the cross-sealing mechanism shown in FIG. 5-1;

FIG. 5-3 is a schematic cross-sectional view of the inner and outer mold halves of the transverse seal shown in FIG. 5-2;

FIG. 6-1 is a schematic view of the cutting mechanism;

FIG. 6-2 is a partial schematic structural view of a portion of the die beam shown in FIG. 6-1, shown disassembled;

FIG. 6-3 is an enlarged view of a portion I of FIG. 6-2;

FIG. 6-4 is a schematic view of the back of the cleaving mechanism of FIG. 6-1;

fig. 6-5 are partial schematic structural views of the male die beam dismounting part shown in fig. 6-4.

In the figure:

100-paper separating mechanism 200-forming mechanism 300-longitudinal sealing mechanism 400-transverse sealing mechanism

500-cutting mechanism 600-frame 6-paper separation guide rail 7-fastening screw

8-guide seat 9-first tensioning hook 10-tensioning clamp seat 11-first tensioning clamp

12-limit screw 13-reducer fixing seat 14-second tensioning hook 15-reducer mounting seat

16-second tensioning clamp 17-former back plate 18-side plate 19-third tensioning clamp

20-third tensioning hook 21-first indexing pin 22-limiting piece 23-limiting seat

24-transverse plate 25-handle 26-rotating shaft 27-clamping plate

28-left side mounting plate 29-right side mounting plate 30-locking nut 30' -tapered positioning pin

31-right side installation seat 31' -left side installation seat 32-transverse sealing inner mold 33-transverse sealing outer mold

34-inner mold positioning pin 35-outer mold driving shaft 35' -inner mold driving shaft 36-outer mold positioning pin

36 '-linear bearing 37-taper sleeve 37' -linear bearing 38-male die cross beam

39-concave die beam 40-pull rod 41-side plate 42-hanging piece

43-fourth tensioning clamp 44-positioning taper pin 45-movable clamping piece 46-fixed clamping piece

47-knuckle bearing 48-pin shaft 49-second indexing pin

Detailed Description

The present invention will be further described with reference to the following drawings and specific examples, but the following examples are by no means limiting the present invention.

As shown in fig. 1, the utility model provides a pillow type packaging machine with variable bag width, including frame 600, top-down has arranged in proper order in frame 600 and has divided paper mechanism 100, forming mechanism 200, indulge and seal mechanism 300, violently seal mechanism 400 and shutdown mechanism 500, and this pillow type packaging machine disposes many sets of branch paper mechanism 100, forming mechanism 200, indulge and seal mechanism 300, violently seal mechanism 400 and shutdown mechanism 500 that are suitable for different bag widths.

As shown in fig. 2-1, 2-2, and 2-3. The paper separating mechanism 100 comprises a driving roller, a paper separating knife roller and a paper guide roller; the paper separating mechanism is characterized in that a paper separating guide rail 6 is fixed at the position where the paper separating mechanism 100 is installed on the rack 600, a guide seat 8 in sliding fit with the paper separating guide rail 6 is fixed at each of the left end and the right end of the paper separating mechanism 100, the guide seats 8 can slide left and right along the paper separating guide rail 6, and the guide seats 8 are fixed with the paper separating guide rail 6 through fastening screws 7. A limiting structure is arranged between one end of the paper separating mechanism 100 and the paper separating guide rail 6; the limiting structure comprises a tensioning clamp seat 10 fixed on the paper separating guide rail 6 and a first tensioning hook 9 fixed at the end part of the paper separating mechanism 100, and a limiting screw 12 and a first tensioning clamp 11 are arranged on the tensioning clamp seat 10. A speed reducer fixing seat 13 for fixing a speed reducer is fixed at the other end of the paper separating mechanism 600, the speed reducer is fixed on a speed reducer mounting seat 15, the speed reducer mounting seat 15 is embedded in the speed reducer fixing seat 13, and the speed reducer is connected with the transmission roller through a plum coupling; a split type locking structure for axially positioning the paper separating mechanism 100 is arranged between the speed reducer mounting seat 15 and the speed reducer fixing seat 13; the split locking structure comprises a second tensioning clamp 16 arranged on the speed reducer mounting seat 15 and a second tensioning hook 14 arranged on the speed reducer fixing seat 13. When the width specification of the processed product bag is changed, the speed reducer is firstly detached, and the paper separating mechanism 600 is detached, replaced and then the speed reducer is installed.

The specific operations of installing the paper separation mechanism 100 are: the whole paper separating machine framework 100 is pushed rightwards on the paper separating guide rail 6 until the guide seat 8 on the right side supports the limiting screw 12, then the first tensioning clamp 11 and the first tensioning hook 9 are locked, namely front-back and left-right limiting is completed, and finally the fastening screw 7 is locked to complete up-down positioning. The reverse operation is only needed when the device is disassembled. In the utility model, different paper separating mechanisms share one set of power components (including the speed reducer and the speed reducer mounting seat 15 and a half of the quincunx shaft coupling) required by the paper separating process, so that the power components need to be separated before the paper separating mechanisms are replaced, namely the speed reducer mounting seat 15, the speed reducer and the half of the quincunx shaft coupling connected with the speed reducer are detached from the speed reducer fixing seat 13; in order to ensure the rotation positioning during the installation, the outer corner of the speed reducer installation seat 15 and the inner corner of the speed reducer fixing seat 13 are arranged to be in concave-convex matching; the power assembly is installed in the speed reducer fixing seat 13, and the tensioning clamp 16 is locked with the tensioning hook 14 to determine axial positioning.

As shown in fig. 3-1, 3-2, and 3-3. The forming mechanism 200 comprises a former, a left forming half ring, a right forming half ring and a former back plate 17, wherein the former and the left and right forming half rings are directly or indirectly arranged in front of the former back plate 17, and only the former back plate 17 needs to be disassembled and assembled when the width specification of a processed product bag is changed.

Four limiting pieces 22 arranged in two rows and two columns are arranged behind the former back plate 17; the frame 600 is provided with a positioning and mounting structure for the back plate 17 of the former, the positioning and mounting structure comprises a frame consisting of two transverse plates 24 and two side plates 18, and the two transverse plates are provided with four limiting seats 23 corresponding to the four limiting pieces 22 one by one; the limiting sheet and the limiting seat are in arc concave-convex fit, so that left and right limiting is realized, a platform is attached to the lower portion of the concave surface of the limiting seat 23 and can upwards support the limiting sheet 22, first indexing pins 21 are respectively arranged on the outer sides of the two side plates 18, pin holes are formed in the side plates 18, and the first indexing pins 21 are inserted into the pin holes to complete up-and-down limiting of the forming device; each side edge of the former back plate 17 is provided with an upper third tensioning hook 20 and a lower third tensioning hook 20, the side plate 18 is provided with a third tensioning clamp 19 corresponding to the third tensioning hooks 20, and the third tensioning clamp 19 is in locking fit with the third tensioning hooks 20 to complete front and rear limiting of the former.

The right side of the longitudinal sealing mechanism is quickly positioned in a double-positioning taper pin mode, a double-taper-hole right side mounting plate 29 is sleeved on two taper positioning pins of a mounting seat 31, the tail ends of the taper positioning pins are in a stud mode, after the two taper positioning pins are sleeved, two locking nuts 30 are respectively mounted on the two studs, and when the locking nuts 30 are fastened in place, the right side mounting plate 29 is mounted in place. In order to prevent the locknut 30 from loosening and falling off in the operation of the equipment, an anti-falling screw is additionally arranged on the outer side of the locknut.

As shown in fig. 4-1 and 4-2, the longitudinal sealing mechanism 300 includes a longitudinal sealing beam, the left and right sides of the longitudinal sealing beam are respectively provided with a left longitudinal sealing crank and a right longitudinal sealing crank, the left longitudinal sealing crank is fixed with a left mounting seat 31', the left side of the longitudinal sealing beam is provided with a left mounting plate 28 which can be opened relative to the left mounting seat 31', and as shown in fig. 4-1, a clamping plate 27 is welded with the handle 25 into a whole and can rotate around a rotating shaft 26. When the lock is locked, the clamping plate 27 is blocked in front of the left mounting plate 28 and is hung in a positioning pin on the left mounting plate 28; when released, the pull handle 25 pulls the catch plate 27 upwardly to clear the area in front of the left mounting plate 28, and at this point the left mounting plate 28 is pulled outwardly.

A double-positioning taper pin connecting structure is arranged between the right longitudinal sealing crank and the right side of the longitudinal sealing beam; the double-positioning taper pin connecting structure is used for assembling and disassembling the longitudinal sealing beam. Two location taper pin connection structure include right side mount pad 31 and right side mounting panel 29, right side mount pad 31 with the right side is indulged and is sealed the crank fixed, right side mounting panel 29 with indulge the right side of sealing the crossbeam fixed, the preceding of mount pad 31 is equipped with two toper locating pins 30', be equipped with on the right side mounting panel 29 two with toper locating pin 30' complex bell mouth, toper locating pin 30's end is the double-screw bolt form, right side mounting panel 29 overlaps and is in the cover on two toper locating pins 30' of right side mount pad 31, the two registrates the back, installs a lock nut 30 on two double-screw bolts respectively, when lock nut 30 fastens in place, right side mounting panel 29 installs promptly and targets in place. In order to prevent the locking nut 30 from loosening and falling off in the operation of equipment, two conical positioning pins 30' in the double-positioning conical pin connecting structure are provided with threaded holes, and the outer side of each conical positioning pin is additionally provided with an anti-falling screw.

As shown in fig. 5-1, 5-2 and 5-3, the transverse sealing mechanism 400 includes a transverse sealing inner mold 32, an inner mold driving shaft 35', a transverse sealing outer mold 33 and an outer mold driving shaft 35, the transverse sealing mechanism 400 operates by the opening and closing actions of the transverse sealing inner and outer molds, a plurality of heating blocks are arranged inside the transverse sealing inner mold 32 for film heating, a whole sealing lining plate is arranged inside the transverse sealing outer mold 33 for tightly sealing the inner mold, the distance between the plurality of heating blocks on the transverse sealing inner mold 32 depends on the width of the product bag, and when products with different bag widths need to be produced, only the corresponding transverse sealing inner mold 32 needs to be replaced. The concrete structure is as follows: the inner mold driving shaft 35' is sleeved on the outer mold driving shaft 35 in a shaft sleeve mode, and a linear bearing 36' is arranged between the outer mold driving shaft 35 and the inner mold driving shaft 35 '; the shaft end of the external mold driving shaft 35 is fixed with the transverse external mold sealing 33 through an external mold positioning pin 36; a shaft shoulder for positioning the transverse-sealed inner mold 32 is arranged on the inner mold driving shaft 35', a taper sleeve 37 is connected to a shaft section positioned on the outer side of the shaft shoulder, an inner hole of the transverse-sealed inner mold 32 is a taper hole matched with the taper sleeve 37, and the transverse-sealed inner mold 32 is fixed with the taper sleeve 37 through an inner mold positioning pin 34; a compression spring for sealing and buffering is arranged between the taper sleeve 37 and the shaft shoulder.

Since the lateral seal inner mold 32 and the lateral seal outer mold 33 have the same mounting ends, the lateral seal outer mold 33 is also attached and detached when the lateral seal inner mold 32 is attached and detached. When products with different bag widths need to be produced, the transverse sealing outer die 33 and the transverse sealing inner die 32 are disassembled, and then the transverse sealing inner die 32 is replaced and then the transverse sealing inner die and the transverse sealing outer die are installed. Taking the example of disassembly, the two-side outer mold positioning pins 36 are pulled out to detach the transverse sealing outer mold 33 from the outer mold driving shaft 35, and then the transverse sealing inner mold 32 can be detached by loosening the 4 inner mold positioning pins 34 at the two sides to detach the transverse sealing inner mold 32 from the taper sleeve 37. The transverse-sealed inner die 32 is in conical surface fit with the taper sleeve 37, the head of the inner die positioning pin 34 is in conical surface fit with the positioning hole of the taper sleeve 37, the outer tapping thread of the inner die positioning pin 34 is in threaded fit with the threaded hole of the transverse-sealed inner die 32, when the inner die positioning pin 34 is screwed in along the threaded hole of the transverse-sealed inner die 32, the head of the inner die positioning pin is pushed into the positioning hole of the taper sleeve 37, the transverse-sealed inner die 32 and the taper sleeve 37 are gradually pressed along with the continuous screwing-in of the inner die positioning pin 34, and finally the transverse-sealed inner die 32 and the taper sleeve 37 are tightly attached.

The cutting mechanism 500 is mainly configured to complete the cutting operation by the cutting blade assembly. As shown in fig. 6-1, 6-2, 6-3, 6-4 and 6-5, the cutting mechanism 500 includes a female die of the cutting blade assembly mounted on a female die beam 39 and a male die of the cutting blade assembly mounted on a male die beam 38, the female die beam 39 being stationary, and the male die beam 38 reciprocating back and forth. The utility model provides a cutting off cutter subassembly corresponds a bag width pillow formula bag product, and when the product bag width changed, will cut off cutter subassembly and change into corresponding specification, the utility model discloses take whole dismantlement scheme, directly dismantle terrace die crossbeam 38 and die crossbeam 39, take off together with all cutting off cutter subassemblies like this, reduced loaded down with trivial details dismantlement work. Specifically, the left end and the right end of the outer side of the female die cross beam 39 are respectively provided with a side plate 41 fixed with the frame 600, and an assembly and disassembly assembly is arranged between the side plate 41 and the female die cross beam 39 and is used for quickly assembling and disassembling the female die cross beam 39; the assembly and disassembly assembly comprises two fourth tensioning clamps 43 respectively arranged at the left side and the right side of the female die cross beam 39, and a hanging piece 42 arranged on the side plate 41, wherein two hooks are arranged on the hanging piece 42 and respectively correspond to the positions of the two fourth tensioning clamps 43; before locking, at the joint of the side plate 41 and the female die cross beam 39, a positioning taper pin 44 is embedded on the side plate 41, and a positioning taper pin hole corresponding to the position is arranged on the corresponding female die cross beam 39; the front and rear positions of the die cross member 39 are determined by locking the hook with the fourth tightening clamp 43. When the fourth tightening clamp 43 is locked with the hanger 42, the positioning taper pin 44 is tightly fitted with the positioning taper pin hole, and finally the die cross beam 39 is completely positioned. When the fourth tensioning clamp 43 is disengaged from the hook, the female cross-member 39 can be removed.

The reciprocating movement of the punch cross beam 38 is realized by driving the pull rods 40 arranged at both sides of the punch cross beam 38, and a detachable connecting assembly is arranged between the end of the pull rod 40 and the punch cross beam 38 and realizes the driving and the quick assembly and disassembly of the punch cross beam 38. The detachable connecting assembly comprises a joint bearing 47 arranged at the end part of the pull rod 40, and a pin shaft 48 is inserted into the joint bearing 47; two latch assemblies are respectively arranged at the left end and the right end of the male die cross beam 38, each latch assembly is used for fixing one end of a pin shaft 48, and the two latch assemblies are used for limiting the pin shaft 48; the latch component consists of a movable clamping piece 45 and a fixed clamping piece 46 which slide relatively;

when the male die cross beam 38 is installed, two ends of the pin shaft 48 are respectively placed into the semicircular grooves of the two fixed clamping pieces 46, then the two movable clamping pieces 45 are both pushed inwards, the semicircular grooves of the two movable clamping pieces 45 cover the pin shaft 48, and the movable clamping pieces 45 are locked by the second indexing pin 49, so that the pin shaft 48 is limited; the punch cross member 38 is removed and the two latch assemblies are released.

Although the present invention has been described with reference to the accompanying drawings, the present invention is not limited to the above embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many modifications without departing from the spirit of the present invention.

Claims (8)

1. A pillow type packing machine with variable bag width comprises a frame (600), wherein a paper separating mechanism (100), a forming mechanism (200), a longitudinal sealing mechanism (300), a transverse sealing mechanism (400) and a cutting mechanism (500) are sequentially arranged on the frame (600) from top to bottom,

the pillow type packaging machine is provided with a plurality of sets of paper separating mechanisms (100), forming mechanisms (200), longitudinal sealing mechanisms (300), transverse sealing mechanisms (400) and cutting mechanisms (500) which are suitable for different bag widths;

the paper separating mechanism (100) comprises a transmission roller, a paper separating knife roller and a paper guide roller; a paper separating guide rail (6) is fixed on the frame (600) at the position where the paper separating mechanism (100) is installed, a guide seat (8) in sliding fit with the paper separating guide rail (6) is respectively fixed at the left end and the right end of the paper separating mechanism (100), the guide seat (8) can slide left and right along the paper separating guide rail (6), and the guide seat (8) is fixed with the paper separating guide rail (6) through a fastening screw (7); a limiting structure is arranged between one end of the paper separating mechanism (100) and the paper separating guide rail (6); the other end of the paper separating mechanism (100) is provided with a speed reducer, and the speed reducer is connected with the transmission roller through a plum coupling; when the width specification of the processed product bag is changed, the speed reducer is firstly disassembled, and the paper separating mechanism (100) is disassembled, replaced and then the speed reducer is installed;

the forming mechanism (200) comprises a former, a left forming half ring, a right forming half ring and a former back plate (17), the former, the left forming half ring and the right forming half ring are arranged in front of the former back plate (17), and four limiting sheets (22) arranged in two rows and two columns are arranged behind the former back plate (17); a positioning and mounting structure for the former back plate (17) is arranged on the rack (600), and the former back plate (17) can be dismounted and mounted when the width specification of a processed product bag is changed;

the longitudinal sealing mechanism (300) comprises a longitudinal sealing beam, a left longitudinal sealing crank and a right longitudinal sealing crank are respectively arranged on the left side and the right side of the longitudinal sealing beam, a left mounting seat (31 ') is fixed on the left longitudinal sealing crank, a left mounting plate (28) which can be opened relative to the left mounting seat (31') is arranged on the left side of the longitudinal sealing beam, and a double-positioning taper pin connecting structure is arranged between the right longitudinal sealing crank and the right side of the longitudinal sealing beam; the double-positioning taper pin connecting structure is used for assembling and disassembling the longitudinal sealing beam;

the transverse sealing mechanism (400) comprises a transverse sealing inner die (32), an inner die driving shaft (35 '), a transverse sealing outer die (33) and an outer die driving shaft (35), wherein the inner die driving shaft (35') is sleeved on the outer die driving shaft (35) in a shaft sleeve mode, and when different bag width products need to be produced, the transverse sealing outer die (33) and the transverse sealing inner die (32) are disassembled and then the corresponding transverse sealing inner die (32) is replaced;

the cutting mechanism (500) comprises a female die of the cutting tool assembly and a male die of the cutting tool assembly, the female die of the cutting tool assembly is arranged on a female die cross beam (39), the male die of the cutting tool assembly is arranged on a male die cross beam (38), the female die cross beam (39) is fixed, and the male die cross beam (38) reciprocates back and forth; the left end and the right end of the outer side of the female die cross beam (39) are respectively provided with a side plate (41) fixed with the rack (600), an assembly and disassembly assembly is arranged between each side plate (41) and the female die cross beam (39), and the assembly and disassembly assembly is used for quickly assembling and disassembling the female die cross beam (39); the reciprocating movement of the punch cross beam (38) is driven by pull rods (40) arranged on two sides of the punch cross beam (38), a detachable connecting assembly is arranged between the end part of each pull rod (40) and the punch cross beam (38), and the detachable connecting assembly realizes the driving and the quick disassembly and assembly of the punch cross beam (38).

2. The pillow type packing machine with variable bag width according to claim 1, wherein the limiting structure comprises a tensioning clamp seat (10) fixed on the paper separating guide rail (6) and a first tensioning hook (9) fixed at the end part of the paper separating mechanism (100), and a limiting screw (12) and a first tensioning clamp (11) are arranged on the tensioning clamp seat (10);

a speed reducer fixing seat (13) is fixed at the other end of the paper separating mechanism (100), the speed reducer is fixed on a speed reducer mounting seat (15), the speed reducer mounting seat (15) is embedded in the speed reducer fixing seat (13), and a split type locking structure for axial positioning of the paper separating mechanism (100) is arranged between the speed reducer mounting seat (15) and the speed reducer fixing seat; the split type locking structure comprises a second tensioning clamp (16) arranged on the speed reducer mounting seat (15) and a second tensioning hook (14) arranged on the speed reducer fixing seat (13).

3. The pillow type packaging machine with the variable bag width according to claim 1, wherein the positioning and mounting structure comprises a frame consisting of two transverse plates (24) and two side plates (18), and four limiting seats (23) corresponding to four limiting pieces (22) are arranged on the two transverse plates; the outer sides of the two side plates (18) are respectively provided with a first indexing pin (21), the side plates (18) are provided with pin holes, and the first indexing pins (21) are inserted into the pin holes to complete the upper and lower limiting of the forming device; each side edge of the former back plate (17) is provided with an upper tensioning hook (20) and a lower tensioning hook (20), a third tensioning clamp (19) corresponding to the third tensioning hook (20) in position is arranged on the side plate (18), and the third tensioning clamp (19) is in locking fit with the third tensioning hook (20) to complete front and rear limiting of the former.

4. The pillow type packaging machine with variable bag width according to claim 1, wherein the double-positioning taper pin connecting structure comprises a right side mounting seat (31) and a right side mounting plate (29), the right side mounting seat (31) is fixed with the right side longitudinal sealing crank, the right side mounting plate (29) is fixed with the right side of the longitudinal sealing cross beam, two taper positioning pins (30 ') are arranged in front of the mounting seat (31), two taper holes matched with the taper positioning pins (30') are arranged on the right side mounting plate (29), the tail end of the taper positioning pin (30 ') is in a stud form, and the right side mounting plate (29) is sleeved on the two taper positioning pins (30') of the right side mounting seat (31) and fixed through locking nuts (30).

5. A pillow packing machine with variable bag width according to claim 4, characterized in that two conical positioning pins (30') of said double positioning taper pin connection structure are provided with threaded holes and are equipped with anti-drop screws.

6. A variable bag width pillow packaging machine according to claim 1, characterized in that a linear bearing (36 ') is provided between the outer die drive shaft (35) and the inner die drive shaft (35'); the shaft end of the outer mold driving shaft (35) is fixed with the transverse sealing outer mold (33) through an outer mold positioning pin (36); a shaft shoulder used for positioning the transverse-sealed inner die (32) is arranged on the inner die driving shaft (35'), a taper sleeve (37) is connected to a shaft section positioned on the outer side of the shaft shoulder, an inner hole of the transverse-sealed inner die (32) is a taper hole matched with the taper sleeve (37), and the transverse-sealed inner die (32) is fixed with the taper sleeve (37) through an inner die positioning pin (34); and a compression spring for sealing and buffering is arranged between the taper sleeve (37) and the shaft shoulder.

7. A variable bag width pillow packaging machine according to claim 1, characterized in that said assembly and disassembly assembly comprises two fourth tensioning clamps (43) on each of the left and right sides of said die beam (39),

a hanging piece (42) is arranged on the side plate (41), two hooks are arranged on the hanging piece (42), and the two hooks respectively correspond to the positions of the two fourth tensioning clamps (43); a positioning taper pin (44) is embedded on the side plate (41), and a positioning taper pin hole corresponding to the position is formed in the female die cross beam (39); the hook is locked with a fourth tensioning clamp (43) to determine the front and back positions of the female die cross beam (39); when the fourth tensioning clamp (43) is locked with the hanging piece (42), the positioning taper pin (44) is tightly matched with the positioning taper pin hole; when the fourth tensioning clamp (43) is separated from the hook, the female die beam (39) can be detached.

8. A variable bag width pillow packaging machine according to claim 1, wherein said detachable connecting assembly comprises a knuckle bearing (47) provided at an end of said tie bar (40), said knuckle bearing (47) having a pin (48) inserted therethrough; the left end and the right end of the male die cross beam (38) are respectively provided with two latch assemblies, and the two latch assemblies are used for limiting the pin shaft (48); the door latch component consists of a movable clamping piece (45) and a fixed clamping piece (46) which slide relatively; when the male die cross beam (38) is installed, two ends of the pin shaft (48) are respectively placed into the semicircular grooves of the two fixed clamping pieces (46), then the two movable clamping pieces (45) are pushed inwards, the semicircular grooves of the two movable clamping pieces (45) cover the pin shaft (48), and the movable clamping pieces (45) are locked by the second indexing pin (49), so that the pin shaft (48) is limited; the male beam (38) is removed and the two latch assemblies are released.

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