CN106240943B - Multiple row carries on the back envelope machine horizontal sealing stepping draft gear - Google Patents
Multiple row carries on the back envelope machine horizontal sealing stepping draft gear Download PDFInfo
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- CN106240943B CN106240943B CN201610786200.3A CN201610786200A CN106240943B CN 106240943 B CN106240943 B CN 106240943B CN 201610786200 A CN201610786200 A CN 201610786200A CN 106240943 B CN106240943 B CN 106240943B
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- traction slide
- sealing
- cross beam
- bottom plate
- traction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/10—Applying or generating heat or pressure or combinations thereof
- B65B51/26—Devices specially adapted for producing transverse or longitudinal seams in webs or tubes
- B65B51/30—Devices, e.g. jaws, for applying pressure and heat, e.g. for subdividing filled tubes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Presses And Accessory Devices Thereof (AREA)
Abstract
The invention discloses a kind of multiple rows to carry on the back envelope machine horizontal sealing stepping draft gear, including the upper and lower fixed cross beam being separately fixed on the big plate of host, traction slide is equipped on guide post between upper and lower fixed cross beam, servo motor is equipped on upper fixed cross beam, ball-screw is equipped between upper and lower fixed cross beam, screw is fixed on traction slide, servo motor is sequentially connected with ball-screw one end；It is located on front side of the big plate of host on traction slide and is equipped with interior sealing bottom plate and outer sealing bottom plate, it seals inside and inside and outside sealing template is separately installed on the opposite face of bottom plate and outer sealing bottom plate, covering shuttering is horizontally arranged at by sealing cylinder outside at least two on outer sealing bottom plate；The interior sealing bottom plate is connect by the horizontal guide post being slidably mounted on traction slide with the inner bottom plating being arranged on the inside of traction slide, at least provided with sealing cylinder in two on traction slide.Advantage is：It operates steadily reliable, sealing is high-quality, and production efficiency is high, and control is accurate.
Description
Technical field
The invention belongs to a kind of package packing machine, more particularly to a kind of multiple row back of the body envelope machine horizontal sealing stepping draft gear.
Background technology
At present, existing horizontal sealing stepping draft gear includes two pieces of supporting plates, and two are equipped on two pieces of supporting plates and is put down
Capable horizontal sealing longitudinal sealing mold roller, installation sealing cylinder on the outside of one piece of supporting plate, wherein one is driven by sealing cylinder wherein
Horizontal sealing longitudinal sealing mold roller moves in parallel, and realizes the compression sealing to four banding item bags.This horizontal sealing stepping draft gear can only fit
For four edge sealing packing machines, the horizontal sealing stepping of envelope machine it is not suitable for carrying on the back.With the fast development of packaging industry, back of the body envelope machine is increasingly
Accreditation is acceptable to the market, therefore it is extremely urgent to research and develop a kind of horizontal sealing stepping draft gear suitable for multiple row back of the body envelope machine.
Invention content
The technical problems to be solved by the invention are to provide one kind and operate steadily reliably, and sealing is high-quality, and production efficiency is high,
Accurately multiple row carries on the back envelope machine horizontal sealing stepping draft gear for control.
To solve the above problems, the present invention adopts the following technical scheme that：
A kind of multiple row carries on the back envelope machine horizontal sealing stepping draft gear, including the upper fixed cross beam being arranged in parallel up and down and lower fixed horizontal stroke
Beam, upper fixed cross beam and lower fixed cross beam are separately fixed on the big plate of host of multiple row back of the body envelope machine, in upper fixed cross beam and lower solid
Determine to be symmetrically fixed with guide post and on guide post equipped with the traction slide that can up and down reciprocatingly slide between crossbeam, on upper fixed cross beam
Equipped with servo motor, middle part is vertically installed with through traction slide and rotatable between upper fixed cross beam and lower fixed cross beam
Ball-screw is fixed with the screw coordinated with ball-screw, the servo motor output shaft and ball-screw on traction slide
One end is sequentially connected, for ball-screw to be driven to rotate and drives the vertically reciprocating slip of traction slide；It is located on traction slide
Interior sealing bottom plate and outer sealing bottom plate are equipped on front side of the big plate of host, is sealed inside on the opposite face of bottom plate and outer sealing bottom plate respectively
Inside and outside sealing template is installed, the covering shuttering is horizontally arranged at outer sealing bottom plate by sealing cylinder outside at least two
On, it is used to implement the horizontal reciprocating movement of covering shuttering；The interior sealing bottom plate is by being slidably mounted on traction slide
Horizontal guide post is connect with the inner bottom plating being arranged on the inside of traction slide, at least provided with two for driving interior envelope on traction slide
The interior sealing cylinder that shuttering moves toward one another back and forth horizontally with the realization of covering shuttering.
As further preferred, Balance Air has been respectively articulated with positioned at traction slide down either side on the big plate of the host
Cylinder, the piston rod upper end of balance cylinder is hinged respectively with being arranged on the support arm shaft of traction slide both sides, for improving traction slide
The stability of equilibrium of reciprocating motion.
As further preferred, one group of parallel four-bar linkage is equipped between the traction slide and lower fixed cross beam, is used
In the stability of equilibrium for improving traction slide reciprocating motion.
As further preferred, the guide post is four and extends through traction slide, and guide post is corresponded on traction slide
Place is respectively equipped with linear bearing.
As further preferred, described outer sealing bottom plate one end is hinged on traction slide one end, seals leaned on bottom plate outside
Its nearly other end is equipped with locking device, lock shaft corresponding with locking device is equipped on traction slide, lock shaft outer end is caught in
Into locking device, it is used to implement outer sealing bottom plate and the interior positioning sealed between bottom plate.
As further preferred, fixed crossbeam is by a upper intermediate beam and is located at the upper solid of upper intermediate beam both ends
Reservation is formed by connecting, and fixed seat front end is pierced by respectively by the big plate of host, for installing the shaping mechanism of multiple row back of the body envelope machine.
As further preferred, the lower fixed cross beam is by a lower intermediate beam and is located at the lower solid of lower intermediate beam both ends
Reservation is formed by connecting, and the lower fixed seat front end is separately fixed on the big plate of host.
As further preferred, corresponded on traction slide and linear bearing is separately installed at horizontal guide post, the level
Guide post is slidably mounted on by linear bearing on traction slide.
As further preferred, photoelectric detection switch is respectively equipped in the same end of upper fixed cross beam and lower fixed cross beam,
Photoelectric detection switch is corresponded on traction slide equipped with detection bar, when traction slide runs supreme, lower dead center, detection bar difference
It runs at the photoelectric detection switch on upper and lower fixed cross beam, can realize that traction slide moves back and forth by photoelectric detection switch
Limiting.
As further preferred, the traction slide be by be arranged symmetrically and be slidably mounted on respectively in two side guide pillars two
A to slide support arm and be bolted in two traction crossbeam slided between support arm compositions, the screw is fixed by flange
At the middle part of traction crossbeam.
As further preferred, two groups of guiding groups are symmetrically installed between the covering shuttering and outer sealing bottom plate
Part, to ensure the running stability of covering shuttering.
The beneficial effects of the invention are as follows：
1st, due to guide post is symmetrically fixed between upper fixed cross beam and lower fixed cross beam and on guide post be equipped with can be upper and lower
The traction slide to reciprocatingly slide, middle part is vertically installed between upper fixed cross beam and lower fixed cross beam simultaneously may be used through traction slide
The ball-screw of rotation drives ball-screw to rotate and drives traction slide past by the servo motor being located on upper fixed cross beam
It is multiple to slide, therefore traction slide operates steadily reliably, Serve Motor Control is accurate, it can be ensured that horizontal sealing quality and stepping rate.
2nd, it is horizontally arranged on outer sealing bottom plate, is leading since the covering shuttering seals cylinder outside by least two
Draw the interior envelope at least provided with two for interior sealing bottom plate to be driven to be moved toward one another back and forth horizontally with the realization of covering shuttering on slide
Cylinder is closed, inside and outside sealing template is controlled to move toward one another by inside and outside sealing cylinder synchronization action, seals high-quality, production efficiency
It is high.
Description of the drawings
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is the rearview of Fig. 1.
Fig. 3 is the left view of Fig. 1.
Fig. 4 is the A-A sectional views of Fig. 1.
In figure：Lower fixed cross beam 1, linear bearing 2, traction slide 3, guide post 4, upper fixed cross beam 5, servo motor 6 are synchronous
Band 7, ball-screw 8, upper intermediate beam 9, photoelectric detection switch 10, detection bar 11, lock shaft 12, support arm shaft 13, balance cylinder 14,
Lower intermediate beam 15, bearing block 16, screw 17, upper connecting rod 18, pull rod 19, articulated shaft 20, lower link 21, lower fixed seat 22 slide
Support arm 23, upper fixed seat 24, connecting seat 25, covering shuttering 26 seal mold 27, and interior to seal template 28, the big plate 29 of host is interior
Sealing bottom plate 30, traction crossbeam 31, horizontal guide post 32, inner bottom plating 33, linear bearing 34, interior sealing cylinder 35, locking device 36,
Guidance set 37, outer sealing cylinder 38, outer sealing bottom plate 39.
Specific embodiment
As Figure 1-Figure 4, a kind of multiple row back of the body envelope machine horizontal sealing stepping draft gear of the present invention, including parallel up and down
The upper fixed cross beam 5 and lower fixed cross beam 1 of arrangement, upper fixed cross beam 5 and lower fixed cross beam 1 are separately fixed at multiple row back of the body envelope machine
On the big plate 29 of host.Fixed crossbeam 5 is by intermediate beam 9 on one and the upper fixed seat 24 for being located at upper 9 both ends of intermediate beam
It is formed by connecting, fixed 24 front end of seat is pierced by by the big plate 29 of host and passes through connecting seat 25 respectively is fixed on the big plate 29 of host
On, for installing the shaping mechanism of multiple row back of the body envelope machine.The upper intermediate beam 9 is to pass through polylith by the strip plate of two pieces of parallel arrangements
Connecting plate use is bolted.The lower fixed cross beam 1 is by a lower intermediate beam 15 and is located at lower 15 both ends of intermediate beam
Lower fixed seat 22 be formed by connecting, 22 front end of lower fixed seat is bolted on respectively on the big plate 29 of host.Upper solid
Determine have servo motor 6 by bolt vertical lifting on one of connecting plate of crossbeam 5,6 output terminal of servo motor is by upper centre
Beam 9 is pierced by.
Be symmetrically fixed between upper fixed cross beam 5 and lower fixed cross beam 1 vertical guide post 4 and on guide post 4 be equipped with can
The traction slide 3 up and down reciprocatingly slided, the guide post 4 is four and extends through traction slide 3, corresponding on traction slide 3
The linear bearing 2 being sleeved on guide post is separately installed at guide post 4.Positive middle part between upper fixed cross beam 5 and lower fixed cross beam 1
It is vertically installed with through traction slide 3 and rotatable ball-screw 8,8 both ends of ball-screw pass through bearing and bearing block respectively
16 are mounted on upper fixed cross beam 5 and lower fixed cross beam 1, have been bolted on traction slide 3 and have coordinated with ball-screw
Screw 17,6 output shaft of servo motor is sequentially connected with ball-screw upper end by synchronous belt 7, for driving ball wire
Thick stick rotates and drives 3 vertically reciprocating slip of traction slide.
The traction slide 3 is two slip 23 Hes of support arm by being arranged symmetrically and being slidably mounted on respectively in two side guide pillars
The traction crossbeam 31 being bolted between two slip support arms 23 is formed, and the screw 17 is fixed on traction by flange
The middle part of crossbeam 31, the linear bearing 2 are separately mounted on the slip support arm 23 of traction slide.23 front end of the slip support arm
It is pierced by respectively by the strip hole on the big plate 29 of corresponding host.
It is located at big 29 front side of plate of host on traction slide and is equipped with interior sealing bottom plate 30 and outer sealing bottom plate 39, is slided in traction
Four horizontal guide posts 32 for extending vertically through the big plate 29 of host are mounted side by side in the traction crossbeam 31 of seat, the horizontal guide post 32 is logical
Linear bearing 34 is crossed to be slidably mounted in traction crossbeam 31.The interior sealing bottom plate 30 is by four horizontal guide posts 32 with setting
The inner bottom plating 33 on the inside of traction slide is put to be fixedly connected.39 one end of the outer sealing bottom plate is hinged on a cunning of traction slide
Dynamic 23 front end of support arm seals on bottom plate 39 and is equipped with locking device 36 close to its other end outside, in another cunning of traction slide
Dynamic 23 front end of support arm be equipped with 36 corresponding lock shaft 12 of locking device, 12 outer end of lock shaft snaps onto in locking device, is used for
Realize the locking positioning between outer sealing bottom plate 39 and interior sealing bottom plate 30.
It seals inside and is separately installed with interior sealing template 28 and outer sealing on the opposite face of bottom plate 30 and outer sealing bottom plate 39
Template 26 seals sealing mold 27 is arranged on the opposite face of template 28 and covering shuttering 26 inside, the covering molding
Plate 26 is horizontally arranged at by sealing cylinder 38 outside at least two on outer sealing bottom plate 39, is used to implement the water of covering shuttering 26
It is flat to move back and forth；Two groups are symmetrically installed between the covering shuttering 26 and outer sealing bottom plate 39 to be made of guide pillars and bushes
Guidance set 37, to ensure the running stability of covering shuttering 26.
It is at least symmetrically connected in two and seals between 31 inside of traction crossbeam of the traction slide and inner bottom plating 33
Cylinder 35, the present embodiment are opposite back and forth horizontally for interior sealing template 28 and covering shuttering 26 to be driven to realize for two
Movement.
On the big plate 29 of the host balance cylinder 14, balance cylinder 14 have been respectively articulated with positioned at traction slide down either side
Piston rod upper end respectively with to be arranged on the support arm shaft 13 of traction slide both sides hinged, for improving traction slide reciprocating motion
Stability of equilibrium.
Two in the traction slide are slided between support arm and two lower fixed seats 22 of lower fixed cross beam 1 equipped with one group
Parallel four-bar linkage, for improving the stability of equilibrium of traction slide reciprocating motion.The parallel four-bar linkage includes difference
It is hinged on two upper connecting rods 18 being mutually parallel slided on support arm and two be respectively hinged on lower fixed seat 22 is mutually flat
Capable lower link 21, the upper connecting rod 18 positioned at the same side are hinged with lower link 21 by articulated shaft 20 and positioned at the hinge of both sides
Spindle is connected with each other by pull rod 19.
Photoelectric detection switch 10 is respectively equipped in the same end of upper fixed cross beam and lower fixed cross beam 1, on traction slide
Corresponding photoelectric detection switch 10 is equipped with detection bar 11, and when traction slide runs supreme, lower dead center, detection bar 11 is separately operable
At photoelectric detection switch 10 on upper and lower fixed cross beam, it is used to implement the limiting of traction slide reciprocating motion.
During work, ball-screw forward and reverse rotation is driven by servo motor 6, makes traction slide along past above and below four guide posts
Complex line slides.When traction slide slides into top dead centre, the detection bar 11 on traction slide is run on fixed cross beam
At photoelectric detection switch 10, signal is passed to by photoelectric detection switch the PLC programmable controller of multiple row back of the body envelope machine, and then controlled
Servo motor processed stops operating.Then outer sealing cylinder 38 and interior sealing cylinder 35 act simultaneously, push inside and outside sealing template with
Sealing mold 27 after heating moves toward one another simultaneously, and multiple row back of the body strip of paper used for sealing band is clamped and realizes sealing；Servo motor is anti-simultaneously
To startup, traction slide is driven to move downward, realize traction stepping.Pass through the auxiliary of balance cylinder 14 and parallel four-bar linkage
Action can improve stability of equilibrium when traction slide moves back and forth.
Although the embodiments of the present invention have been disclosed as above, but its be not restricted in specification and embodiment it is listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, it is of the invention and unlimited
In specific details and legend shown and described herein.
Claims (10)
1. a kind of multiple row carries on the back envelope machine horizontal sealing stepping draft gear, it is characterized in that：It includes the upper fixed cross beam being arranged in parallel up and down
With lower fixed cross beam, upper fixed cross beam and lower fixed cross beam are separately fixed on the big plate of host of multiple row back of the body envelope machine, in upper fixation
Guide post is symmetrically fixed between crossbeam and lower fixed cross beam and the traction slide that can up and down reciprocatingly slide is equipped on guide post, upper
Fixed cross beam is equipped with servo motor, and middle part is vertically installed with through traction slide between upper fixed cross beam and lower fixed cross beam
And rotatable ball-screw, the screw coordinated with ball-screw, the servo motor output shaft are fixed on traction slide
It is sequentially connected with ball-screw one end, for ball-screw to be driven to rotate and drives the vertically reciprocating slip of traction slide；It is drawing
It is located on slide on front side of the big plate of host and is equipped with interior sealing bottom plate and outer sealing bottom plate, seals the phase of bottom plate and outer sealing bottom plate inside
Inside and outside sealing template is separately installed on opposite, the covering shuttering is horizontally arranged at by sealing cylinder outside at least two
On outer sealing bottom plate, it is used to implement the horizontal reciprocating movement of covering shuttering；The interior sealing bottom plate is led by being slidably mounted on
The horizontal guide post drawn on slide is connect with the inner bottom plating being arranged on the inside of traction slide, at least provided with two use on traction slide
In sealing template in driving the interior sealing cylinder moved toward one another back and forth horizontally is realized with covering shuttering.
2. multiple row according to claim 1 carries on the back envelope machine horizontal sealing stepping draft gear, it is characterized in that：On the big plate of the host
Balance cylinder is respectively articulated with positioned at traction slide down either side, the piston rod upper end of balance cylinder is slided respectively with being arranged on traction
The support arm shaft of seat both sides is hinged, for improving the stability of equilibrium of traction slide reciprocating motion.
3. multiple row according to claim 1 or 2 carries on the back envelope machine horizontal sealing stepping draft gear, it is characterized in that：The traction slide
One group of parallel four-bar linkage is equipped between lower fixed cross beam, for improving the stability of equilibrium of traction slide reciprocating motion.
4. multiple row according to claim 3 carries on the back envelope machine horizontal sealing stepping draft gear, it is characterized in that：The guide post for four and
Traction slide is extended through, is corresponded on traction slide and linear bearing is respectively equipped at guide post.
5. multiple row according to claim 1 carries on the back envelope machine horizontal sealing stepping draft gear, it is characterized in that：The outer sealing bottom plate one
End is hinged on traction slide one end, seals be equipped with locking device close to its other end on bottom plate outside, be equipped on traction slide
Lock shaft corresponding with locking device, lock shaft outer end are snapped onto in locking device, are used to implement outer sealing bottom plate and interior sealing
Positioning between bottom plate.
6. multiple row according to claim 1 carries on the back envelope machine horizontal sealing stepping draft gear, it is characterized in that：Fixed crossbeam is
It is formed by connecting by a upper intermediate beam and the upper fixed seat for being located at upper intermediate beam both ends, fixed seat front end is respectively by host
Big plate is pierced by, for installing the shaping mechanism of multiple row back of the body envelope machine.
7. the multiple row back of the body envelope machine horizontal sealing stepping draft gear according to claim 1 or 6, it is characterized in that：It is described lower fixed horizontal
Beam is to be formed by connecting by a lower intermediate beam with the lower fixed seat for being located at lower intermediate beam both ends, and the lower fixed seat front end is solid respectively
It is scheduled on the big plate of host.
8. multiple row according to claim 1 carries on the back envelope machine horizontal sealing stepping draft gear, it is characterized in that：It is corresponding on traction slide
Linear bearing is separately installed at horizontal guide post, the horizontal guide post is slidably mounted on by linear bearing on traction slide.
9. multiple row according to claim 7 carries on the back envelope machine horizontal sealing stepping draft gear, it is characterized in that：In upper fixed cross beam under
The same end of fixed cross beam is respectively equipped with photoelectric detection switch, and photoelectric detection switch is corresponded on traction slide and is equipped with detection bar,
When traction slide runs supreme, lower dead center, detection bar is separately operable at the photoelectric detection switch on upper and lower fixed cross beam,
The limiting of traction slide reciprocating motion can be realized by photoelectric detection switch.
10. multiple row according to claim 8 carries on the back envelope machine horizontal sealing stepping draft gear, it is characterized in that：The traction slide is
It is slided support arm by two being arranged symmetrically and being slidably mounted on respectively in two side guide pillars and is bolted and slide branch at two
Traction crossbeam between arm is formed, and the screw is fixed on the middle part of traction crossbeam by flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610786200.3A CN106240943B (en) | 2016-08-31 | 2016-08-31 | Multiple row carries on the back envelope machine horizontal sealing stepping draft gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610786200.3A CN106240943B (en) | 2016-08-31 | 2016-08-31 | Multiple row carries on the back envelope machine horizontal sealing stepping draft gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106240943A CN106240943A (en) | 2016-12-21 |
| CN106240943B true CN106240943B (en) | 2018-07-10 |
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ID=58080553
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610786200.3A Active CN106240943B (en) | 2016-08-31 | 2016-08-31 | Multiple row carries on the back envelope machine horizontal sealing stepping draft gear |
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| Country | Link |
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| CN (1) | CN106240943B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113086321B (en) * | 2021-05-14 | 2022-06-07 | 辽宁春光制药装备股份有限公司 | Transverse sealing and slitting device of multi-column back sealing packaging machine |
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|---|---|---|---|---|
| EP1234772A1 (en) * | 2001-02-23 | 2002-08-28 | Tetra Laval Holdings & Finance SA | Packaging machine and method for producing sealed packages of pourable food products |
| CN201864082U (en) * | 2010-10-22 | 2011-06-15 | 苏州市盛百威包装设备有限公司 | Vertical sealing device for packaging machine |
| CN102133943A (en) * | 2010-10-22 | 2011-07-27 | 苏州市盛百威包装设备有限公司 | Sealing and cutting device for packing machine |
| CN102133946A (en) * | 2010-10-22 | 2011-07-27 | 苏州市盛百威包装设备有限公司 | Horizontal sealing device for packaging machine |
| CN203172906U (en) * | 2013-01-16 | 2013-09-04 | 广州市普菱机械设备有限公司 | Multi-column back seal small bag packaging machine |
| CN104528055A (en) * | 2014-12-23 | 2015-04-22 | 天津工业大学 | Novel high-speed longitudinal-transverse-seal drive heating device of continuous packaging machine and control method thereof |
| CN205972049U (en) * | 2016-08-31 | 2017-02-22 | 辽宁春光制药装备股份有限公司 | Multiseriate back of body seals machine and violently seals step -by -step draw gear |
-
2016
- 2016-08-31 CN CN201610786200.3A patent/CN106240943B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1234772A1 (en) * | 2001-02-23 | 2002-08-28 | Tetra Laval Holdings & Finance SA | Packaging machine and method for producing sealed packages of pourable food products |
| CN201864082U (en) * | 2010-10-22 | 2011-06-15 | 苏州市盛百威包装设备有限公司 | Vertical sealing device for packaging machine |
| CN102133943A (en) * | 2010-10-22 | 2011-07-27 | 苏州市盛百威包装设备有限公司 | Sealing and cutting device for packing machine |
| CN102133946A (en) * | 2010-10-22 | 2011-07-27 | 苏州市盛百威包装设备有限公司 | Horizontal sealing device for packaging machine |
| CN203172906U (en) * | 2013-01-16 | 2013-09-04 | 广州市普菱机械设备有限公司 | Multi-column back seal small bag packaging machine |
| CN104528055A (en) * | 2014-12-23 | 2015-04-22 | 天津工业大学 | Novel high-speed longitudinal-transverse-seal drive heating device of continuous packaging machine and control method thereof |
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| Publication number | Publication date |
|---|---|
| CN106240943A (en) | 2016-12-21 |
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