CN104192367A - Device for sealing plastic packaging hose in floating mode through squeezing - Google Patents
Device for sealing plastic packaging hose in floating mode through squeezing Download PDFInfo
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- CN104192367A CN104192367A CN201410438247.1A CN201410438247A CN104192367A CN 104192367 A CN104192367 A CN 104192367A CN 201410438247 A CN201410438247 A CN 201410438247A CN 104192367 A CN104192367 A CN 104192367A
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- sealing
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Abstract
The invention discloses a device for sealing a plastic packaging hose in a floating mode through squeezing. According to the device for sealing the plastic packaging hose in the floating mode through squeezing, guide shafts and a supporting plate are fixed together, bearing seats located on a front sealing head and on a rear sealing head are in clearance fit with the guide shafts, the front sealing head and the rear sealing head are connected with a piston rod of a double-shaft cylinder and a cylinder block of the double-shaft cylinder respectively, the other end of the piston rod of the double-shaft cylinder is fixed to a tail yoke plate, the middle of a crank is hinged to a supporting plate, the two ends of the crank are respectively hinged to an end connecting rod, the other ends of the two end connecting rods are hinged to the cylinder block of the double-shaft cylinder and the tail yoke plate respectively, blocking shoulders are arranged on the inner walls of a group of through holes formed in the front sealing head, a guide column is arranged in each through hole, the rear end of each guide column is connected with a check ring, a floating sealing block is fixed to the front end of each guide column, each guide column is sleeved with a spring, and the two ends of each spring abut against the corresponding floating sealing block and the corresponding blocking shoulder respectively. According to the device for sealing the plastic packaging hose in the floating mode through squeezing, automatic attaching and alignment between the sealing surfaces of the floating sealing blocks and the sealing surface of the rear sealing head are achieved after press fit, automatic compensation for unbalanced squeezing force is achieved through the elastic force of the springs, and thus sealing gaps and sealing pressures of the sealing positions of all sections of the sealing heads are made uniform and consistent.
Description
Technical field
The present invention relates to the closing device in packaging facilities, specifically a kind of plastic packing soft tube floats and pushes sealing device.
Background technology
The plastic packing soft tube that the Low Density Polyethylene of take is material is widely used in the packing of drink at present.Existing a kind of sealing device, there is a twin shaft cylinder, stay bearing plate of a pair of end socket and a pair of guide shaft, a pair of guide shaft is parallel to each other, and their one end and stay bearing plate are fixed, the pair of bearing being fixed with on each end socket respectively with a guide shaft free-running fit, two end sockets connect with one end of piston rod and the cylinder body of twin shaft cylinder of twin shaft cylinder respectively, the other end of the piston rod of twin shaft cylinder passes stay bearing plate and fixes with a tail yoke plate, the middle part of a crank and the upper end of stay bearing plate are hinged, the two ends of this crank are hinged with one end of a connecting rod respectively, the other end of two connecting rods is hinged with cylinder body and the tail yoke plate of twin shaft cylinder respectively.Existing this sealing device can complete the packaging tube after heat is melted to each group and realize continuous involution processing, but because the piston rod of twin shaft cylinder, in motion process, less skew can occur, can cause thus the packaging tube at end socket two ends stressed inconsistent, thereby cause some packaging tube involution insecure, or the sealing surface involution reticulate pattern at packaging tube involution place is unintelligible, outward appearance is inconsistent, and affects product design.
Summary of the invention
The object of the present invention is to provide a kind of plastic packing soft tube to float and push sealing device, this sealing device can a plurality ofly clamp involution as one batch of plastic packing soft tube that enters involution district to take after heat is melted simultaneously, guarantee that involution effect is solid and reliable, actv. has guaranteed the qualification rate of plastic packing soft tube involution, and the sealing surface involution reticulate pattern at each plastic packing soft tube involution place is clear, outward appearance is consistent.
For achieving the above object, the present invention adopts following scheme: plastic packing soft tube floats and pushes sealing device, it has a twin shaft cylinder, a front head, a rear head, a stay bearing plate and a pair of guide shaft, a pair of guide shaft is parallel to each other, and their one end and stay bearing plate are fixed, on front head and rear head, be respectively fixed with pair of bearing, described bearing seat and corresponding guide shaft free-running fit, front head connects with one end of the piston rod of twin shaft cylinder, rear head connects with the cylinder body of twin shaft cylinder, the other end of the piston rod of twin shaft cylinder passes stay bearing plate and fixes with a tail yoke plate, the middle part of a crank and the upper end of stay bearing plate are hinged, the two ends of this crank are hinged with one end of an end link rod respectively, the other end of two end link rods is hinged with cylinder body and the tail yoke plate of twin shaft cylinder respectively, on described front head, have one group of through hole, on the inwall of through hole, there is outstanding shoulder block, one guide pillar is housed in each through hole, the rear end of guide pillar is through shoulder block and be connected with back-up ring, the front end of guide pillar is fixed with the sealing piece that floats, the sealing piece that floats is relative with rear head, on guide pillar, cover has spring, the two ends of spring are resisted against respectively floats on sealing piece and shoulder block.
From such scheme, stay bearing plate in sealing device provided by the invention and a pair of guide shaft are fixed on plastic packing soft tube bottle placer, start twin shaft cylinder, in its piston rod iterative motion, piston rod and cylinder body can drive respectively front head and rear head produce the move toward one another moving in circles and deviate from mutually motion, when completing, front head and rear head deviate from mutually when motion, one group of packaging tube after heat is melted is come between two end sockets, and the mouth of pipe of each packaging tube is floating between sealing piece and rear head, then under the effect of twin shaft cylinder, front head and rear head are done move toward one another, float and seal piece and rear head extruding, complete the mouth of pipe involution of this group packaging tube, now, if the packaging tube unbalance stress between two end sockets, elastic force by spring compensates this squeese pressure, thereby make all packaging tubes stressed consistent, guarantee that all packaging tubes are can involution firm, guarantee the qualification rate of packaging tube involution, and the sealing surface involution reticulate pattern at each packaging tube involution place is clear, outward appearance is consistent, when completing again, two end sockets deviate from mutually when motion, the packaging tube that involution is good shifts out, and the packaging tube after next group heat is melted enters between two end sockets, realizes the involution of next group packaging tube, constantly circulation according to this, can realize the continuous involution processing to packaging tube.
After pressing of the present invention, the sealing surface of the unsteady rear head that seals the sealing surface of piece and answer has in contrast been realized automatic attaching centering, elastic force by spring is realized auto-compensation to inconsistent squeese pressure, makes sealed clearance and the involution pressure uniformity at each section of involution place of end socket.The present invention is rational in infrastructure, easy to adjust, and it is stable that its involution pressure stability is reliable, involution is swift in motion, and guarantees that involution effect is solid and reliable, guarantee the qualification rate of packaging tube involution, enhance productivity, the sealing surface of the plastic packing soft tube mouth of pipe of its institute's involution is with Central Symmetry, good looking appearance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the specific embodiment of the invention.
Fig. 2 is the birds-eye view of Fig. 1.
Fig. 3 is the A portion enlarged drawing of Fig. 2.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the invention will be further described.
Referring to Fig. 1, Fig. 2, Fig. 3
This plastic packing soft tube floats and pushes sealing device, there is a twin shaft cylinder 7, a front head 5, a rear head 6, stay bearing plate 8 and a pair of guide shaft 1, a pair of guide shaft 1 is parallel to each other, and their one end and stay bearing plate 8 are fixing, each fixing pair of bearing 4 on front head 5 and rear head 6, described bearing seat 4 and corresponding guide shaft 1 free-running fit, front head 5 connects with one end of the piston rod of twin shaft cylinder 7, rear head 6 connects with the cylinder body of twin shaft cylinder 7, the other end of the piston rod of twin shaft cylinder 7 is through stay bearing plate 8 fixing with a tail yoke plate 13, the upper end of the middle part of a crank 10 and stay bearing plate 8 is hinged, the two ends of this crank 10 are hinged with one end of two end link rods 9 respectively, the other end of two end link rods 9 is hinged with cylinder body and the tail yoke plate 13 of twin shaft cylinder 7 respectively, on front head 5, be evenly distributed with ten through hole 5a, in through hole 5a, there is outstanding shoulder block 5b, in each through hole 5a, guide pillar 15 is housed, the rear end of guide pillar 15 is through shoulder block 5b and be connected with back-up ring 14, the front end of guide pillar 15 is fixed with the sealing piece 17 that floats, the sealing piece 17 that floats is relative with rear head 6, , on guide pillar 15, cover has spring 16, the two ends of spring 16 are resisted against respectively floats on sealing piece 17 and shoulder block 5b.
In the present embodiment, in front head 5 side relative with rear head 6, have one group with each sealing piece 17 groove 5c one to one that floats, each groove 5c communicates with a through hole is corresponding.The sealing piece 17 that floats can be positioned partially in groove 5c.
In the present embodiment, the connecting mode of the cylinder body of twin shaft cylinder 7 and rear head 6 is: on rear head 6, be fixed with rear head permanent seat 2, the cylinder body of twin shaft cylinder 7 connects with rear head permanent seat 2; The connecting mode of one end of the piston rod of twin shaft cylinder 7 and front head 5 is: on front head 5, be fixed with front head permanent seat 3, one end of the piston rod of twin shaft cylinder 7 connects with front head permanent seat 3 through rear head permanent seat 2.
In addition, for further increasing involution effect, on stay bearing plate 8, be fixed with a guide rod 11, the sliding shoe 12 of bearing fit is with it housed on guide rod 11, and sliding shoe 12 can slide along guide rod 11, and one end of tail yoke plate 13 connects with sliding shoe 12, when the piston rod of twin shaft cylinder 7 stretches out, tail yoke plate 13 can be done straight-line motion along guide rod 11, further prevents that twin shaft cylinder 7 is offset, and increases involution qualification rate.
Claims (3)
1. plastic packing soft tube floats and pushes sealing device, it has a twin shaft cylinder, a front head, a rear head, a stay bearing plate and a pair of guide shaft, a pair of guide shaft is parallel to each other, and their one end and stay bearing plate are fixed, on front head and rear head, be respectively fixed with pair of bearing, described bearing seat and corresponding guide shaft free-running fit, front head connects with one end of the piston rod of twin shaft cylinder, rear head connects with the cylinder body of twin shaft cylinder, the other end of the piston rod of twin shaft cylinder passes stay bearing plate and fixes with a tail yoke plate, the middle part of a crank and the upper end of stay bearing plate are hinged, the two ends of this crank are hinged with one end of an end link rod respectively, the other end of two end link rods is hinged with cylinder body and the tail yoke plate of twin shaft cylinder respectively, it is characterized in that: on described front head, have one group of through hole, on the inwall of through hole, there is outstanding shoulder block, one guide pillar is housed in each through hole, the rear end of guide pillar is through shoulder block and be connected with back-up ring, the front end of guide pillar is fixed with the sealing piece that floats, the sealing piece that floats is relative with rear head, on guide pillar, cover has spring, the two ends of spring are resisted against respectively floats on sealing piece and shoulder block.
2. the plastic packing soft tube according to claim 1 extruding sealing device that floats, is characterized in that: in a front head side relative with rear head, have one group and float and seal piece groove one to one, each groove communicates with a through hole is corresponding with each.
3. the plastic packing soft tube according to claim 1 and 2 extruding sealing device that floats, is characterized in that: on stay bearing plate, be fixed with a guide rod, the sliding shoe with its bearing fit is housed on guide rod, one end of tail yoke plate connects with sliding shoe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410438247.1A CN104192367B (en) | 2014-08-29 | 2014-08-29 | Plastic packing soft tube floats and extrudes sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410438247.1A CN104192367B (en) | 2014-08-29 | 2014-08-29 | Plastic packing soft tube floats and extrudes sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104192367A true CN104192367A (en) | 2014-12-10 |
| CN104192367B CN104192367B (en) | 2017-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410438247.1A Active CN104192367B (en) | 2014-08-29 | 2014-08-29 | Plastic packing soft tube floats and extrudes sealing device |
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| Country | Link |
|---|---|
| CN (1) | CN104192367B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1035333A (en) * | 1975-02-13 | 1978-07-25 | John J. Grevich | Band sealer for closing bags |
| CN2070720U (en) * | 1990-04-20 | 1991-02-06 | 周淑慧 | Light closer |
| CN200974628Y (en) * | 2006-10-13 | 2007-11-14 | 王哲 | Packaging device |
| CN201901266U (en) * | 2010-05-07 | 2011-07-20 | 刘德成 | Sealing device of horizontal bag feeding type packaging machine for packaging bag |
| CN104003037A (en) * | 2014-06-07 | 2014-08-27 | 蚌埠市赛亚机械有限责任公司 | Plastic package tube aligning and synchronous sealing device |
| CN204056428U (en) * | 2014-08-29 | 2014-12-31 | 蚌埠市赛亚机械有限责任公司 | Plastic packing soft tube floats and extrudes sealing device |
-
2014
- 2014-08-29 CN CN201410438247.1A patent/CN104192367B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1035333A (en) * | 1975-02-13 | 1978-07-25 | John J. Grevich | Band sealer for closing bags |
| CN2070720U (en) * | 1990-04-20 | 1991-02-06 | 周淑慧 | Light closer |
| CN200974628Y (en) * | 2006-10-13 | 2007-11-14 | 王哲 | Packaging device |
| CN201901266U (en) * | 2010-05-07 | 2011-07-20 | 刘德成 | Sealing device of horizontal bag feeding type packaging machine for packaging bag |
| CN104003037A (en) * | 2014-06-07 | 2014-08-27 | 蚌埠市赛亚机械有限责任公司 | Plastic package tube aligning and synchronous sealing device |
| CN204056428U (en) * | 2014-08-29 | 2014-12-31 | 蚌埠市赛亚机械有限责任公司 | Plastic packing soft tube floats and extrudes sealing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104192367B (en) | 2017-03-15 |
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