CN109279105A - A kind of heat-sealing device suitable for the narrow sealing of packing machine - Google Patents
A kind of heat-sealing device suitable for the narrow sealing of packing machine Download PDFInfo
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- CN109279105A CN109279105A CN201811268338.XA CN201811268338A CN109279105A CN 109279105 A CN109279105 A CN 109279105A CN 201811268338 A CN201811268338 A CN 201811268338A CN 109279105 A CN109279105 A CN 109279105A
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- Prior art keywords
- heat
- sealing
- generating pipe
- diameter shaft
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- 238000007789 sealing Methods 0.000 title claims abstract description 148
- 238000012856 packing Methods 0.000 title claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims abstract description 45
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000007704 transition Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 6
- 230000005855 radiation Effects 0.000 abstract description 3
- 238000004806 packaging method and process Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 5
- 206010037660 Pyrexia Diseases 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010615 ring circuit Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- B65B51/16—Applying or generating heat or pressure or combinations thereof by rotary members
Abstract
The invention discloses a kind of heat-sealing devices suitable for the narrow sealing of packing machine: being arranged in juxtaposition including a pair and can circumferentially rotate around its axis, hollow multi-diameter shaft, coaxial heat-generating pipe is equipped in each multi-diameter shaft, when multi-diameter shaft rotation, heat-generating pipe is stationary；It is equipped with heating part in wherein one end of heat-generating pipe, heating part is corresponded in multi-diameter shaft end and is installed with heat-sealing wheel, when on the heat-sealing wheel that heat can be radiated to multi-diameter shaft periphery by heat-generating pipe adstante febre.The heat-generating pipe that the present invention is worn in multi-diameter shaft can be when multi-diameter shaft be rotated to the heat-sealing wheel radiations heat energy being mounted on multi-diameter shaft, when multi-diameter shaft is in rotation, heat-generating pipe can be remain stationary, and then without using the structure easy to wear such as conducting ring, the case where alleviating mutual friction and wear between all parts, heating part appliance circuit structure is not only simplified, manufacturing cost and maintenance load are also greatly reduced.
Description
Technical field
The present invention relates to heat sealed package technical fields, and in particular to a kind of heat-sealing device suitable for the narrow sealing of packing machine.
Background technique
In packing technique field, heat-sealing technology is a kind of widely used packaging seal technology, is commonly utilized in daily use chemicals
The fields such as product packaging, food and medicine packaging.Mainly using heating sealing part material, reaching to pressurize after viscosity flow state makes
Seal, generally completed with hot-press sealed device or heat sealing machine.
Wherein heat-sealing head is the executing agency of Heat Sealing, and the heat-sealing head of Heat Sealing needs in hot pressing to heat-sealing
Heat generating device in head is powered, and since heat generating device is with heat-sealing head common rotation, heat generating device connects conducting ring to ensure
Normal power supply during rotation, conducting ring are used in any while require continuous rotation, and need from fixed position to rotation
In the Mechatronic Systems of location transmission power supply and signal.The material of conducting ring requires mechanical strength big, and is the good conductor of electricity, also wants
With corrosion resistance, when with brush sliding contact, it is necessary to have wearability and stable sliding contact characteristic, manufacturing cost
It is higher, and cause parts depreciation to be accelerated since high-speed rotation can generate friction during long-play, in addition, conductive
Slip ring circuit is insulating properties there are one very high requirement, Insulation Problems and measure after sale caused by leaking electricity bigger, greatly increase
Operation and maintenance cost are added.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of heat-seals suitable for the narrow sealing of packing machine
Set, simplify the circuit of heating part, can be reduced in hot pressing heating accessory abrasion, reach reduction manufacture and
The purpose of maintenance cost.
The technical scheme adopted by the invention is that: a kind of heat-sealing device suitable for the narrow sealing of packing machine, including a pair is simultaneously
Column are arranged and can circumferentially rotate around its axis, hollow multi-diameter shaft, are equipped with coaxial fever in each multi-diameter shaft
Pipe, when multi-diameter shaft rotation, the heat-generating pipe is stationary；It is equipped with heating part in wherein one end of the heat-generating pipe, described
Multi-diameter shaft end corresponds to heating part and is installed with heat-sealing wheel, when heat can be radiated to multi-diameter shaft periphery by the heat-generating pipe adstante febre
On heat-sealing wheel.
In the technical program, heat-sealing device is narrow to needing by the way that a pair of multi-diameter shaft relative rotation realization being arranged in juxtaposition is arranged
The packaging bag of sealing is sealed, and two multi-diameter shafts can relatively rotate, and heat-generating pipe has been worn in multi-diameter shaft, and multi-diameter shaft can be around hair
Heat pipe circumferentially rotates, and the heating part of the heat-generating pipe can be to the heat-sealing wheel radiant heat being mounted on multi-diameter shaft when multi-diameter shaft rotates
Amount, heat-sealing wheel are mounted on multi-diameter shaft and correspond on the periphery of heating part, make heating part that can quickly improve the temperature of heat-sealing wheel, using hair
The mode of heat pipes heat heat-sealing wheel enables heat-generating pipe to be separated from each other with heat-sealing wheel, and when multi-diameter shaft is in rotation, heat-generating pipe can be protected
Hold it is static, and then without using the structure easy to wear such as conducting ring, the case where reducing mutual friction and wear between all parts,
Reduce the manufacturing and later maintenance cost.
Further, the multi-diameter shaft includes the sequentially enlarged diameter section of step transition, middle diameter segment and reduced diameter section, the heat
Envelope wheel is solidly set on the end of enlarged diameter section.
Further, the spring bearing of a pair of of support multi-diameter shaft is installed in the middle diameter segment.
When carrying out narrow sealing operation to products such as the lesser packaging bags of specification, due to the smaller (heat-sealing of length to be sealed
Length range is within 10mm-100mm), the length of heat-sealing wheel is accordingly smaller, and for the space for saving heat-sealing device, heat-sealing wheel is needed
It will be using being vertically arranged, since heat-sealing wheel length is small, in rotation, the Oscillation Amplitude of generation is small, and meet heat-sealing and requires, heat-sealing wheel
When being vertically arranged, heat-sealing wheel is set on the enlarged diameter section of multi-diameter shaft, is equipped with spring bearing in the middle diameter segment of multi-diameter shaft, when
When multi-diameter shaft rotates, multi-diameter shaft can not only be constituted and be supported, can also reduce frictional force of the multi-diameter shaft in rotation.
Further, transmission gear is installed on the reduced diameter section, the transmission gear engagement on two multi-diameter shafts.
When sealing to packaging bag, two multi-diameter shafts need to relatively rotate when driving heat-sealing wheel rotation, when two multi-diameter shafts
When rotating in same direction, heat-sealing wheel can not then be sealed packaging bag, and two multi-diameter shafts are by being mounted on reduced diameter section and phase
Relative rotation can be realized in the transmission gear mutually engaged, it is ensured that the heat-sealing effect of heat-sealing wheel.
Further, the inner hole of the multi-diameter shaft is in stepped hole, and the stepped hole includes the large aperture section of sequentially step transition
With small-bore section, the heating position of the heat-generating pipe is in the section of large aperture, between the heating part outer wall and large aperture section inner wall
Spacing be D, the heat-generating pipe rest part outer wall and small-bore section inner wall between spacing be d, D be less than d.
The large aperture section of stepped hole can accommodate the heating part of heat-generating pipe, when hair of the multi-diameter shaft in rotation, in the section of large aperture
Heat is simultaneously radiated on the heat-sealing wheel being set on multi-diameter shaft by hot portion, that is, heatable, reaches the mesh for improving heat-sealing wheel surface temperature
, heat-generating pipe is then threaded through in multi-diameter shaft by small-bore section.
Further, pad is equipped with oilless bearing between the heat-generating pipe and multi-diameter shaft, and the oilless bearing is located at heat-generating pipe
The upper end opposite with heating part.
When heat-generating pipe is mounted in the stepped hole of multi-diameter shaft, heat-generating pipe is threaded through on oilless bearing, when multi-diameter shaft exists
Heat-generating pipe can be remain stationary under the action of oilless bearing when rotation, and oilless bearing can reduce frictional force when multi-diameter shaft rotation,
And then reduce abrasion.
Further, the heat-generating pipe both ends are additionally provided with limiting section, and thrust bearing, the limit are equipped on the limiting section
The outer sheath that portion corresponds to thrust bearing has limit shaft sleeve.
When heat-generating pipe is without axial limiting, during rotation, heat-generating pipe can shift multi-diameter shaft axially, cause to send out
The heating part of heat pipe and the relative position of heat-sealing wheel shift, the limiting section arranged on heat-generating pipe can be arranged thrust bearing and
Limit shaft sleeve can be avoided heat-generating pipe in axial dipole field.
Further, the fixinig plate extended radially outward, the fixinig plate are additionally provided on the periphery of each heat-generating pipe
On the limiting section opposite with heat-generating pipe heating part, the fixinig plate is equipped with fixation hole, is equipped in the fixation hole solid
The fixing bolt of fixed two heat-generating pipes.
It can avoid heat-generating pipe dislocation after fixing bolt is installed in the fixation hole of two fixinig plates, make two heat-generating pipe positions
It keeps relative stability.
Further, the periphery of the heat-sealing wheel is equipped with heat-sealing tooth, and the heat-sealing tooth is axially arranged along heat-sealing wheel.
When two heat-sealing wheels relatively rotate, the heat-sealing tooth being arranged on heat-sealing wheel can be intermeshed, when sealing tooth engagement
Packaging bag can be sealed.
Further, the fixing screws along heat-sealing wheel radial arrangement are bolted on the heat-sealing wheel periphery.
Fixing screws can ensure that heat-sealing wheel is stably mounted on multi-diameter shaft, by the way of the fixed heat-sealing wheel of fixing screws
Same heat-sealing wheel easy to disassemble, to install the heat-sealing wheel of different length specification when in use.
The beneficial effects of the present invention are: heat-sealing device provided by the present invention is by being arranged a pair of multi-diameter shaft being arranged in juxtaposition
It relatively rotates and realizes that the packaging bag to the narrow sealing of needs seals, the heat-generating pipe worn in multi-diameter shaft can be rotated in multi-diameter shaft
When to the heat-sealing wheel radiations heat energy being mounted on multi-diameter shaft, make heat-generating pipe and heat-sealing wheel in such a way that heat-generating pipe heats heat-sealing wheel
It can be separated from each other, when multi-diameter shaft is in rotation, heat-generating pipe can be remain stationary, and then without using the structure easy to wear such as conducting ring,
The case where reducing mutual friction and wear between all parts, not only simplifies heating part appliance circuit structure, also very big
Reduce manufacturing cost and maintenance load, structure of the invention is reasonable, easy to use, is widely portable to packaging bag
In heat-sealing application.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar element
Or part is generally identified by similar appended drawing reference.In attached drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is the schematic perspective view for the heat-sealing device suitable for the narrow sealing of packing machine that an embodiment provides.
Fig. 2 is the installation cross-sectional view for the heat-sealing device suitable for the narrow sealing of packing machine that an embodiment provides.
Appended drawing reference: multi-diameter shaft 1, enlarged diameter section 101, middle diameter segment 102, reduced diameter section 103, large aperture section 104, aperture
Diameter section 105, heat-generating pipe 2, heating part 201, limiting section 202, heat-sealing wheel 3, heat-sealing tooth 301, spring bearing 4, transmission gear 5, nothing
Oil bearing 6, thrust bearing 7, limit shaft sleeve 8, fixinig plate 9, fixing screws 10, thermometric line 11.
Specific embodiment
Here, it is to be noted that, function of the present invention, method etc. are only that the conventional adaptation of the prior art is answered
With.Therefore, improvement of the present invention for the prior art, the connection relationship being substantially between hardware, rather than it is directed to function, method
Itself, although namely the present invention be related to some functions, method, and do not include the improvement proposed to function, method itself.This hair
The bright description for function, method is in order to better illustrate the present invention, to better understand the present invention.
It is described in detail below in conjunction with embodiment of the attached drawing to technical solution of the present invention.Following embodiment is only used for
Clearly illustrate technical solution of the present invention, therefore be only used as example, and cannot be used as a limitation and limit protection model of the invention
It encloses.
It should be noted that unless otherwise indicated, technical term or scientific term used in this application should be this hair
The ordinary meaning that bright one of ordinary skill in the art are understood.
Fig. 1 and Fig. 2 are please referred to, in one embodiment, a kind of heat-sealing suitable for the narrow sealing of packing machine provided by the invention
Device seals the packaging bag for needing narrow sealing by the way that a pair of relative rotation realization of multi-diameter shaft 1 being arranged in juxtaposition is arranged,
Specifically include it is a pair of be arranged in juxtaposition and can be circumferentially rotated around its axis, hollow multi-diameter shaft 1, worn in each multi-diameter shaft 1
There is coaxial heat-generating pipe 2, when multi-diameter shaft 1 rotates, heat-generating pipe 2 is stationary；Heating part is equipped in wherein one end of heat-generating pipe 2
201, heating part 201 is corresponded in 1 end of multi-diameter shaft and is installed with heat-sealing wheel 3, when heat can be radiated to by 2 adstante febre of heat-generating pipe
On the heat-sealing wheel 3 of 1 periphery of multi-diameter shaft.The heat-generating pipe 2 worn in multi-diameter shaft 1 enables multi-diameter shaft 1 around circumferential turn of heat-generating pipe 2
Dynamic, the heating part 201 of the heat-generating pipe 2 can be to 3 radiations heat energy of heat-sealing wheel being mounted on multi-diameter shaft 1 when multi-diameter shaft 1 rotates, heat
Envelope wheel 3 is mounted on the periphery of the corresponding heating part 201 of multi-diameter shaft 1, and heating part 201 can quickly improve the temperature of heat-sealing wheel 3, fever
Temperature improves by the way of resistance electrified regulation in portion 201, in heat-seal operation, as required for the packaging bag of unlike material
Heating temperature is also different, for ease of operation, the thermometric line 11 of measurable 201 temperature of heating part can be introduced in heat-generating pipe 2,
It is fixed on 2 inner wall of heat-generating pipe after the introducing heat-generating pipe 2 of thermometric line 11 to correspond in the edge of heating part 201,11 real-time measurement of thermometric line
The temperature of heating part 201 can be suspended and heat to heating part 201, when temperature is low when temperature is higher than current desired heat-sealing temperature
When sealing required temperature, it Z can be continuously maintained and be powered to heating part 201, the temperature of heating part 201 is made to reach heat-sealing required temperature,
Heat-seal operation can be made more intelligent and facilitation by the temperature measurement of automation.It is middle in this implementation that heat is heated using heat-generating pipe 2
The mode of envelope wheel 3 be separated from each other heat-generating pipe 2 can with heat-sealing wheel 3, and when multi-diameter shaft 1 is in rotation, heat-generating pipe 2 can be remain stationary,
Without using the structure easy to wear such as conducting ring, the case where reducing mutual friction and wear between all parts, be more convenient for using
And maintenance.In certain embodiments, the speed of service of packing machine is compared with slow and in the heat-sealing lower situation of thermal requirement, two ranks
It only needs that heat-generating pipe 2 is installed in a wherein multi-diameter shaft 1 in terraced axis 1, or only to the fever in one of multi-diameter shaft 1
2 heating power of pipe, to reduce production cost and reduce energy consumption.
As shown in Figure 1, (heat-sealing length range exists when carrying out narrow sealing operation to products such as the lesser packaging bags of specification
Within 10mm-100mm), since length to be sealed is smaller, for the space for saving heat-sealing device, heat-sealing wheel 3 is using vertical arranged side by side
Arrangement, multi-diameter shaft 1 include that sequentially the enlarged diameter section 101 of step transition, middle diameter segment 102 and reduced diameter section 103, heat-sealing wheel 3 are solid
Cover the spring bearing 4 for being installed with a pair of of support multi-diameter shaft 1 in middle diameter segment 102 in the end of enlarged diameter section 101, middle diameter
The spring bearing 4 of a pair of of support multi-diameter shaft 1 is installed in section 102, since 3 length of heat-sealing wheel is small, in rotation, the vibration of generation
Amplitude is small, meets heat-sealing and requires, when heat-sealing wheel 3 is vertically arranged, heat-sealing wheel 3 is mounted on the enlarged diameter section 101 of multi-diameter shaft 1, rank
Spring bearing 4 is installed in the middle diameter segment 102 of terraced axis 1, when multi-diameter shaft 1 rotates, multi-diameter shaft 1 can not only be constituted and be supported,
Frictional force of the multi-diameter shaft 1 in rotation can be also reduced, for the ease of production, in certain embodiments, each section of multi-diameter shaft 1 outer
Diameter is equal, i.e., multi-diameter shaft 1 is optical axis, and the installing component specification on multi-diameter shaft 1 is accordingly adapted to the outer diameter of multi-diameter shaft 1.
As shown in Figure 1, needing opposite turn when sealing to packaging bag, when two multi-diameter shafts 1 drive heat-sealing wheel 3 to rotate
Dynamic, when two multi-diameter shafts 1 rotate in same direction, heat-sealing wheel 3 can not then be sealed packaging bag, in order to drive two multi-diameter shafts 1 opposite
Rotation, is installed with transmission gear 5 on the reduced diameter section 103, and the transmission gear 5 on two multi-diameter shafts 1 engages.Mutually
The transmission gear 5 of engagement can be such that two multi-diameter shafts 1 relatively rotate, it is ensured that the heat-sealing effect of heat-sealing wheel 3.
As shown in Fig. 2, the inner hole of multi-diameter shaft 1 is in stepped hole, stepped hole includes large aperture 104 Hes of section of sequentially step transition
Small-bore section 105, the heating part 201 of the heat-generating pipe 2 are located in large aperture section 104,201 outer wall of heating part and large aperture section
Spacing between 104 inner walls is D, and the spacing between 2 rest part outer wall of heat-generating pipe and small-bore 105 inner walls of section is d, and D is less than
d.In this way, the heating part 201 that the large aperture section 104 of stepped hole can accommodate heat-generating pipe 2, when multi-diameter shaft 1 is in rotation, large aperture section
Heating part 201 in 104 is heatable and is radiated to heat on the heat-sealing wheel 3 being set on multi-diameter shaft 1, reaches raising heat-sealing
The purpose of 3 surface temperatures is taken turns, heat-generating pipe 2 is then threaded through in multi-diameter shaft 1 by small-bore section 105, in certain embodiments, fever
Pipe 2 is in the manufacturing, for the ease of manufacturing.Outer diameter can be adjusted accordingly as needed everywhere in heat-generating pipe 2, therefore ladder
The inner hole of axis 1 is also accordingly adapted to the heat-generating pipe 2 of different size.
As shown in Fig. 2, pad is equipped with oilless bearing 6 between heat-generating pipe 2 and multi-diameter shaft 1, oilless bearing 6 is located at heat-generating pipe 2
The upper end opposite with heating part 201.When heat-generating pipe 2 is mounted in the stepped hole of multi-diameter shaft 1, heat-generating pipe 2 can be threaded through nothing
In oil bearing 6, when multi-diameter shaft 1 is in rotation, the heat-generating pipe 2 being mounted in multi-diameter shaft 1 can be kept under the action of oilless bearing 6
Static, oilless bearing 6 can reduce frictional force when multi-diameter shaft 1 rotates, and then reduce abrasion.
As shown in Fig. 2, 2 both ends of heat-generating pipe are additionally provided with limiting section 202, thrust bearing 7 is installed on limiting section 202, limits
The outer sheath of the corresponding thrust bearing 7 in portion 203 has limit shaft sleeve 8.When heat-generating pipe 2 is without axial limiting, multi-diameter shaft 1 is in rotation process
In, heat-generating pipe 2 can shift axially, and cause the heating part 201 of heat-generating pipe 2 and the relative position of heat-sealing wheel 3 to shift,
The limiting section 202 arranged on heat-generating pipe 2 can be arranged thrust bearing 7 and limit shaft sleeve 8, can be avoided heat-generating pipe 2 axial inclined
It moves.
As shown in Figure 1, being additionally provided with the fixinig plate 9 extended radially outward on the periphery of each heat-generating pipe 2, fixinig plate 9 is set
In on the limiting section 202 opposite with the heating part 201 of heat-generating pipe 2, fixinig plate 9 is equipped with fixation hole, is equipped in fixation hole solid
The fixing bolt of fixed two heat-generating pipes 2.It can avoid the dislocation of heat-generating pipe 2 after fixing bolt is installed in the fixation hole of two fixinig plates 9,
Two 2 positions of heat-generating pipe are made to keep relative stability.
As shown in Figure 1, the periphery of heat-sealing wheel 3 is equipped with heat-sealing tooth 301, heat-sealing tooth 301 is along the axial arrangement of heat-sealing wheel 3.When
When two heat-sealing wheels 3 relatively rotate, the heat-sealing tooth 301 being arranged on heat-sealing wheel 3 can be intermeshed, and heat-sealing tooth 301 can when engaging
Packaging bag is sealed.
As shown in Figure 1, being bolted with the fixing screws 10 radially arranged along heat-sealing wheel 3 on 3 periphery of heat-sealing wheel.Fixing screws 10
It can ensure that heat-sealing wheel 3 is stably mounted on multi-diameter shaft 1, in fixed heat-sealing wheel 3, rotation fixing screws 10 make fixing screws 10
10 front end of fixing screws is resisted against the peripheral surface of multi-diameter shaft 1, prevents heat-sealing wheel 3 from sliding, and seals using fixing screws 10 are fixed
The mode heat-sealing wheel 3 equally easy to disassemble of wheel 3, to install the heat-sealing wheel 3 of different length specification when in use.
In this application unless specifically defined or limited otherwise, the terms such as term " connected ", " connection ", " fixation " are answered
It is interpreted broadly, for example, it may be being fixedly connected, may be a detachable connection, or is integral；It can be electrical connection；It can be with
It is to be connected directly, the connection inside two elements or the phase of two elements can also be can be indirectly connected through an intermediary
Interaction relationship.For the ordinary skill in the art, above-mentioned term can be understood in the present invention as the case may be
In concrete meaning.
In specification of the invention, numerous specific details are set forth.It is to be appreciated, however, that the embodiment of the present invention can be with
It practices without these specific details.In some instances, well known method, system and skill is not been shown in detail
Art, so as not to obscure the understanding of this specification.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, system, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, specific features, system, material or the feature of description can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme should all cover within the scope of the claims and the description of the invention.
Claims (10)
1. a kind of heat-sealing device suitable for the narrow sealing of packing machine, it is characterised in that: be arranged in juxtaposition including a pair and can be around its axis
Multi-diameter shaft (1) that line circumferentially rotates, hollow, each multi-diameter shaft (1) is interior to be equipped with coaxial heat-generating pipe (2), works as rank
When terraced axis (1) rotates, the heat-generating pipe (2) is stationary；Heating part (201) are equipped in wherein one end of the heat-generating pipe (2),
Heating part (201) is corresponded in the multi-diameter shaft (1) end and is installed with heat-sealing wheel (3), when the heat-generating pipe (2) adstante febre can will be warm
Amount is radiated on the heat-sealing wheel (3) of multi-diameter shaft (1) periphery.
2. the heat-sealing device according to claim 1 suitable for the narrow sealing of packing machine, it is characterised in that:
The multi-diameter shaft (1) includes enlarged diameter section (101), middle diameter segment (102) and the reduced diameter section of sequentially step transition
(103), the heat-sealing wheel (3) is solidly set on the end of enlarged diameter section (101).
3. the heat-sealing device according to claim 2 suitable for the narrow sealing of packing machine, it is characterised in that:
The spring bearing (4) of a pair of of support multi-diameter shaft (1) is installed on the middle diameter segment (102).
4. the heat-sealing device according to claim 2 suitable for the narrow sealing of packing machine, it is characterised in that:
It is installed on the reduced diameter section (103) transmission gear (5), the transmission gear (5) on two multi-diameter shafts (1) is nibbled
It closes.
5. the heat-sealing device according to claim 1 suitable for the narrow sealing of packing machine, it is characterised in that:
The inner hole of the multi-diameter shaft (1) is in stepped hole, and the stepped hole includes that the large aperture section of sequentially step transition is (104) and small
Aperture section (105), the heating part (201) of the heat-generating pipe (2) are located in large aperture section (104), heating part (201) outer wall
Spacing between section (104) inner wall of large aperture is D, heat-generating pipe (2) the rest part outer wall and small-bore section (105) inner wall
Between spacing be d, D be less than d.
6. the heat-sealing device according to claim 1 suitable for the narrow sealing of packing machine, it is characterised in that:
Pad is equipped with oilless bearing (6) between the heat-generating pipe (2) and multi-diameter shaft (1), and the oilless bearing (6) is located at heat-generating pipe
(2) end opposite with heating part (201) on.
7. the heat-sealing device according to claim 1 suitable for the narrow sealing of packing machine, it is characterised in that:
Heat-generating pipe (2) both ends are additionally provided with limiting section (202), are equipped with thrust bearing (7), institute on the limiting section (202)
The outer sheath for stating limiting section (202) corresponding thrust bearing (7) has limit shaft sleeve (8).
8. the heat-sealing device according to claim 1 suitable for the narrow sealing of packing machine, it is characterised in that:
The fixinig plate (9) extended radially outward is additionally provided on the periphery of each heat-generating pipe (2), the fixinig plate (9) sets
In on the limiting section (202) opposite with the heating part (201) of heat-generating pipe (2), the fixinig plate (9) is equipped with fixation hole, described
The fixing bolt for fixing two heat-generating pipes (2) is installed in fixation hole.
9. the heat-sealing device according to claim 1 suitable for the narrow sealing of packing machine, it is characterised in that:
The periphery of the heat-sealing wheel (3) is equipped with heat-sealing tooth (301), and the heat-sealing tooth (301) is axially arranged along heat-sealing wheel (3).
10. the heat-sealing device according to claim 1 suitable for the narrow sealing of packing machine, it is characterised in that:
The fixing screws (10) radially arranged along heat-sealing wheel (3) are bolted on heat-sealing wheel (3) periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811268338.XA CN109279105A (en) | 2018-10-29 | 2018-10-29 | A kind of heat-sealing device suitable for the narrow sealing of packing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109866976A (en) * | 2019-04-08 | 2019-06-11 | 余芳利 | Packaging machine head |
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