CN103706533B - Glue spraying gun - Google Patents
Glue spraying gun Download PDFInfo
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- CN103706533B CN103706533B CN201210375981.9A CN201210375981A CN103706533B CN 103706533 B CN103706533 B CN 103706533B CN 201210375981 A CN201210375981 A CN 201210375981A CN 103706533 B CN103706533 B CN 103706533B
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- glue spraying
- spraying gun
- gear
- fluid sealant
- tooth bar
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Abstract
The invention provides a kind of glue spraying gun, including fluid sealant holding part, it is used to load the fluid sealant for needing；Pressing device, including a biasing member, for pushing the fluid sealant, make it be extruded from glue spraying gun；Drive mechanism for driving pressing device, it includes the motor and transmission system for providing power, the transmission system includes gear rack arrangement, the motor is via pressing device described in the transmission system drives by sealing glue extrusion, wherein, the geared sleeve of the gear rack arrangement is located in a support shaft, bearing of trend and the vertical direction structure angle more than zero degree at an angle of the support shaft.
Description
Technical field
The present invention relates to a kind of glue spraying gun, electric caulking gun of the invention include fluid sealant holding part, pressing device,
Drive mechanism, release system and illuminator.
Background technology
For many years, glue spraying gun is simple to operate because of its, convenient, fast, building, indoor dress is widely used in the advantages of laborsaving
Decorations, electronic apparatus, automobile and automobile component are to implement very normal during gluing, sealing technology in the industry such as ship and container
A kind of specific purpose tool.
The fluid sealant that fluid sealant with certain viscosity such as wound packages glass cement or packed glass cement are placed in glue spraying gun holds
Put in portion, one end of cylinder or the close glue spraying gun extrusion of bag is manufactured opening by user first, end thereof contacts glue spraying gun is pushed away
Pressure device.When using, user promotes pressing device manually（For example for manual glue spraying gun）, or switch on power（Such as electricity
Dynamic glue spraying gun）Pressing device is set to be moved towards glue spraying gun extrusion, the fluid sealant in cylinder or bag is by the pressing device of glue spraying gun
Push, fluid sealant in the inner will be accommodated and extruded from the opening of manufacture so that its arrival target location, such as need to be glued
Or the small gaps of sealing.
It is general outside its pressing device that actuator drives are all passed through by motor for electric caulking gun.Wherein,
Motor provides glue spraying gun work required power, and the power of motor is converted into transmission device the driving force of pressing device.
As a rule, glue spraying gun is used for needing gluing or needs to seal the narrow and small gap formed in assembling process, by
In the limitation of user operating position and use environment, the target location for being glued or sealing is often in rather dark ring
In border, such as user needs the narrow gap on hermatic door or window when interior decoration is carried out, and the gap at this moment to be sealed can
Can be under the shadow of user oneself body, cause light not good.Or, user needs hand-held glue spraying gun to face up head behaviour
Make, in this way, operator can be influenceed correctly to judge target location.In these cases, sealing effectiveness may be influenceed.
A kind of electric caulking gun is presently, there are, will by reducing gear and the gear rack arrangement being connected with reducing gear
The rotational motion of motor transmit and change into glue spraying gun pressing device driving force.It pushes fluid sealant and is bonded in completion
Or after seal operation, user disconnects the power supply of motor, the pressing device of electric caulking gun is set not continue to drive fluid sealant
Moved to extrusion.Now, still there is suitable internal pressure inside the fluid sealant in glue spraying gun, still has a certain amount of close
Sealing flow out glue spraying gun extrusion, this both polluted the environment, and also resulted in the waste of sealant material, this be user institute not
It is desired.It is desirable to use after the operation of person's stopping crush seal glue, it should which elimination as fast as possible is present in fluid sealant appearance
The pushing force received in pipe, the pressing device of glue spraying gun should be able to as soon as possible eliminate the pushing force.
In addition, the motor of above-mentioned glue spraying gun generally accommodates pipe respectively positioned at the front and rear of transmission system with the fluid sealant of glue spraying gun
Both sides so that the length of glue spraying gun than larger so that volume is larger.Correspondingly, this use environment to glue spraying gun and available
Space proposes requirement higher.
The content of the invention
The purpose of the present invention is the overall width for reducing glue spraying gun, so as to reduce the volume of glue spraying gun.
According to the first aspect of the invention, there is provided a kind of glue spraying gun, including fluid sealant holding part, it is used to load needs
Fluid sealant；Pressing device, including a biasing member, for pushing the fluid sealant, make it be extruded from glue spraying gun；For
The drive mechanism of pressing device is driven, it includes the motor and transmission system for providing power, and the transmission system includes
Gear rack arrangement, the motor via pressing device described in the transmission system drives by sealing glue extrusion, wherein, the tooth
The geared sleeve of rack gear arrangement is taken turns in a support shaft, the bearing of trend of the support shaft is at an angle with vertical direction structure to be more than
The angle of zero degree.
According to a preferred embodiment, the transmission system also includes reducing gear, the reducing gear and the gear
To drive tooth bar to do straight reciprocating motion, reducing gear is located at the motor rear, institute in the horizontal direction for rack gear arrangement connection
The bearing of trend for extending perpendicularly to support shaft of the output shaft of gear rack arrangement is stated, is engaged by bevel gear pass between the two
Graduating energy.
According to a preferred embodiment, the tooth bar of the gear rack arrangement extends along direction and is arranged at fluid sealant appearance
The centre of the bearing of trend in portion is put, reducing gear in the vertical direction is located at the underface of the close glue holding part.
According to a preferred embodiment, the pressing device is arranged at the front end of tooth bar, can do linear reciprocation with tooth bar and transport
It is dynamic.
According to a preferred embodiment, the angle that the bearing of trend of the support shaft is constituted with vertical direction is support shaft
The angle constituted between bearing of trend and perpendicular, between angle is spent at 20 degree -45.
According to a preferred embodiment, the gear of the rack-and-pinion is cylindrical gear, the crest top land of cylindrical gear
Parallel to the bearing of trend of support shaft, the crest top land of the tooth bar engaged with cylindrical gear is also put down with the bearing of trend of support shaft
OK.
According to a preferred embodiment, the pressing device also includes dismountable second biasing member.
According to a preferred embodiment, the tooth bar both sides of the gear rack arrangement are provided with ribs.
According to a preferred embodiment, the driving source is motor, preferably permanent magnet DC motor.
According to a preferred embodiment, the cylin-drical tooth wheel and rack has intermeshing stepped tooth or involute
Tooth.
According to the present invention, the support shaft where by making the gear of gear rack arrangement biases an angle from vertical direction,
Fluid sealant holding part is located substantially at the motor top of drive mechanism, so that the overall width of glue spraying gun is reduced, correspondingly reduce
The volume of glue spraying gun.In this way, being reduced using space necessary to glue spraying gun, the housing volume needed for packaging glue spraying gun is corresponding
Ground reduces.
Brief description of the drawings
Be may be better understood from the preferred embodiment of the application for describing below in conjunction with the accompanying drawings the above-mentioned of the application and
Further feature and advantage, wherein：
Fig. 1 is the perspective view of glue spraying gun according to a preferred embodiment of the invention；
Fig. 2 is the decomposition explosion figure of glue spraying gun according to a preferred embodiment of the invention；
Fig. 3 is the decomposition explosion figure of the planetary system of glue spraying gun according to a preferred embodiment of the invention；
Fig. 4 is the partial perspective of the gear rack arrangement of the glue spraying gun according to a preferred embodiment of the invention with housing
Figure；
Fig. 5 is that the inside of the gear rack arrangement of the glue spraying gun according to a preferred embodiment of the invention for removing housing is saturating
View；
Fig. 6 shows being in tilted layout for the tooth bar of glue spraying gun according to a preferred embodiment of the invention；
Fig. 7 is another view of Fig. 6；
Fig. 8 is the fragmentary, perspective view of glue spraying gun according to a preferred embodiment of the invention, shows release system and planet
System；
Fig. 9 a and 9b respectively illustrate two different conditions of glue spraying gun according to a preferred embodiment of the invention, wherein scheming
9a shows that the release system of glue spraying gun is disengaged with planetary system so as to the planetary system of glue spraying gun takes off with gear rack arrangement
From combination, and Fig. 9 b show that the release system of glue spraying gun engages the planetary system and gear teeth so as to glue spraying gun with planetary system
Strip device is combined；And
Figure 10 a-10c show the different views of the release system operatio of glue spraying gun of the invention.
Specific embodiment
According to the present invention, " glue spraying gun " one word should widely understand, its specific purpose tool for referring not only to extrude fluid sealant, also general
Refer to the instrument for extruding the reagent for possessing other purposes.Glue spraying gun of the invention is mainly used in building, automobile, household electric
In the industries such as device, interior decoration, for implementing the techniques such as gluing, sealing.Specifically, glue spraying gun of the invention can be used for
Different types of sealant is loaded in narrow and small gap.
In the present invention, term " glue " or " fluid sealant " refer not only to seal glass glue, also refer to except seal glass glue it
The outer reagent for possessing other purposes, it can be the fluid with any different viscosities and density, such as high viscosity sealant.
Generally, fluid sealant such as glass cement is contained in closed container, and the closed container is usually cylinder or bag, is commonly called as
Wound packages glue or packed glue.When extruding fluid sealant using glue spraying gun, wound packages glue or packed glue are loaded into glue spraying gun first, by cylinder
Or the openend of bag sets one and is open, then glue is extruded from glue spraying gun from opening.
Below with reference to the accompanying drawings glue spraying gun according to a preferred embodiment of the invention is described.
Firstly the need of pointing out, herein, term " preceding " refers to the direction of propulsion along glue spraying gun 100, that is, close in operating
The direction that sealing is extruded；" afterwards " refer to the direction opposite with " preceding ", term " longitudinal direction " also refers to fore-and-aft direction.
Fig. 1 and Fig. 2 respectively illustrate assembling stereogram and the decomposition of glue spraying gun 100 according to a preferred embodiment of the invention
Explosive view.
Glue spraying gun of the invention 100 includes fluid sealant holding part, pressing device, the driving machine for pressing device
Structure, release system and illuminator etc..It is described in detail respectively below with reference to the accompanying drawings.
As shown in figure 1, the fluid sealant holding part of glue spraying gun of the invention 100 includes tubular element 7 and keeps structure
Part 8.Tubular element 7 is cylindrical, and its front end has a circular open, for containing packed fluid sealant.When using, user needs
Packed fluid sealant is loaded in tubular element 7 in advance.According to user's needs, tubular element 7 can be made of metal, to provide foot
Enough mechanical strengths high；Can also be made up of transparent material such as PC as shown in the figure, so that user can use process
In see service condition in fluid sealant holding part in real time.Tubular element 7 is immobilizated in glue spraying gun 100 by rotary nut 5
On, as shown in Figure 1.
The packed fluid sealant that holding member 8 is arranged to be contained in tubular element 7 is held in tubular element 7.
Holding member 8 is sheathed on the front end of tubular element 7, and its front end is provided with and is extruded glue spraying gun as fluid sealant in circular
100 stopper section.In the present embodiment of diagram, the front end of tubular element 7 is provided with external screw thread along its circumferencial direction, keeps structure
Part 8 is provided with the internal thread being engaged with the external screw thread of tubular element 7, and holding member 8 is coordinated with tubular element 7 with above-mentioned screw thread
And be assembled integrally.After packed fluid sealant is filled into tubular element 7 from the circular open of tubular element 7, will protect
Hold component 8 and be assembled into the front end of tubular element 7, be engaged on tubular element 7 by its screw thread, now, packed fluid sealant will
It is arranged at the circular stop part stop of the front end of holding member 8 and is immobilizated in tubular element 7, thus completes fluid sealant
Filling operation.
Referring additionally to Fig. 1, the pressing device of glue spraying gun of the invention 100 include directly with wound packages fluid sealant or packed
The biasing member of fluid sealant contact, the biasing member includes the first biasing member 13 and the second biasing member 14, and first pushes
Component 13 is in the form of annular discs and is fixedly connected, for example, weld, to the tooth bar end of the gear rack arrangement of glue spraying gun 100,
And linear reciprocating motion before and after making on along the bearing of trend of tubular element 7 in tubular element 7, the first biasing member 13
For pushing wound packages fluid sealant.Second biasing member 14 is configured as detachable member, is pushed away to be configured at first in the present embodiment
On pressure component 13, it is used to push packed fluid sealant.Preferably, first biasing member 13 can be by plastics or any other suitable
The material of conjunction is made.Wound packages fluid sealant or packed fluid sealant are placed between holding member 8 and above-mentioned biasing member, and by pushing
Fluid sealant is pushed out opening by component.
Additionally, glue spraying gun 100 also includes the drive mechanism for driving pressing device.Glue spraying gun of the invention 100
Drive mechanism may include motor 16 as shown in Figure 2, and be connected to the transmission system between motor 16 and pressing device.Pass
Dynamic system is placed in the accommodation space formed by right shell 10 and left shell 11 with motor 16.Right shell 10 and a left side
Side body 11 is made of plastics.
The transmission system used in glue spraying gun of the invention 100 is described more fully below.
Shown in the decomposition explosion figure of glue spraying gun 100 as shown in Figure 2, the transmission system of glue spraying gun 100 includes and motor
16 reducing gears being joined directly together and the gear rack arrangement 26 being connected with reducing gear.Here, the reducing gear of transmission system
It is configured as planetary system 17.
Fig. 3 shows the exploded view of the planetary system 17 of the transmission system of glue spraying gun of the invention 100.Show first
The motor 16 of glue spraying gun 100, it can be any appropriate motor, such as permanent magnet DC motor.Motor 16 has output shaft
161, the output speed of motor 16 is controlled by speed disk 2 as shown in Figure 1.
Planetary system 17 is used as the reducing gear being connected with the output shaft 161 of motor 16, in the same of transmission rotational motion
Shi Zeng great torques.Specifically, planetary system 17 includes the first slowing-down structure being made up of the first planet circular system 35, by the second planet
The second slowing-down structure that train 36 is constituted, the third level slowing-down structure that is made up of third planet train 37 and by fourth planet train
38 fourth stage slowing-down structures for constituting are set up be formed by connecting successively.First planet circular system 35, the second planet circular system 36 and the 3rd
Planet circular system 37 is all accommodated in fixed first gear ring 39, and their planetary gear all with the inner tines of gear ring 39
391 are meshed.The planet circular system of the first gear ring 39 and its inside is installed in first gear case halfbody 454.
Sun gear 401 on sun wheel carrier 40, it is formed with the second gear ring 42 of inner tines, is integrally formed with output shaft
432 framework 43, three planetary gears 47 in the second gear ring 42 constitute fourth planet train 38.When the second gear ring 42 is consolidated
When fixed motionless, in the case where the rotation of sun gear 401 drives, three planetary gears 47 can be while the central shaft rotation around itself around too
The central shaft revolution of sun wheel 401, the power from sun gear 401 is transferred to framework 43 by the revolution of three planetary gears 47（It is defeated
Shaft 432）, framework 43 is assembled in three legs 431 of the central shaft of planetary gear 47 including three, and with this, three planetary gears 47 exist
Just energy driver framework 43 drives output shaft 432 to rotate during revolution.Then, by gear rack arrangement which will be described 26,
Power is passed to tooth bar 12, drives tooth bar 12 to do linear reciprocating motion along the longitudinal direction.Do not fixed in gear ring 42 and
In the case of can freely rotating, according to the characteristic of planet circular system, sun gear 401 cannot drive three planetary gears 47 to do revolution fortune
It is dynamic, in this way, framework 43 would not also be driven, then the framework where the output shaft 432 being connected to gear rack arrangement 26
43 maintain static.Now, three planetary gears 47 are around the rotation of its central axis 431, while drive the second gear ring 42 to rotate, now,
There is no power to be transferred to gear rack arrangement 26.
Second gear case halfbody 455 accommodates in the inner gear ring 42, is linked together with first gear case halfbody 454, example
Such as it is connected by screw.In this way, first gear case halfbody 454 and second gear case halfbody 455 accommodate as reductor completely
The planetary system 17 of structure.
By axle supporting member, such as a pair of deep groove ball bearings 44 are supported on the output shaft on second gear case halfbody 455
432 stretch out through the axis hole 451 on second gear case halfbody 455.It is installed with as planetary system 17 in the end of output shaft 432
Output link-bevel gear 181.Therefore, the rotating speed with output shaft 432 is equal to the rotating speed of bevel gear 181.
Be will also be clear that from Fig. 3, the rotation axis and planet circular system 35 of the output shaft 161 of motor 16,
The centre wheel rotation axis of planet circular system 36 and planet circular system 37 extends along the longitudinal direction.Meanwhile, using small volume, transmission
Than the function that big, planetary system 17 that is operating steadily performs transmission rotational motion and deceleration as reducing gear, reduce crowded
The volume of glue rifle 100, makes glue spraying gun 100 be more suitable for hand-held use
With reference to Fig. 4 and Fig. 5, the gear rack arrangement 26 of the transmission system of glue spraying gun of the invention 100 is shown.
Gear rack arrangement 26 includes the second cone of the output block with planetary system 17, the i.e. engagement of first bevel gear 181
Gear 182.Second bevel gear 182 and cylindrical gear 29（Fig. 5）Same support shaft 33 can be connected and fixed on by key respectively
Two ends, so second bevel gear 182 is identical with the rotating speed of cylindrical gear 29.Wherein, the tooth of cylindrical gear 29 and the tooth of tooth bar 12
Engagement, cylindrical gear 29 can drive tooth bar 12 to move along a straight line by rotation.
In the present embodiment, the tooth that cylindrical gear 29 and tooth bar 12 are engaged with each other is stepped tooth（As shown in Figure 7）.When
So, other appropriate castellated shapes can also be employed, such as involute teeth.
By the engagement of first bevel gear 181 and second bevel gear 182, the output shaft 161 of motor 16 is around its center axis
Rotary motion be transferred to support shaft 33, it is rotated around its center axis, in the present embodiment, output shaft 161
Central axis upright is in the central axis of support shaft 33.Support shaft 33 can drive cylinder around the rotary motion of its center axis
Gear 29 is rotated, here, cylindrical gear 29 is engaged by the tooth with tooth bar 12 tooth bar 12 can be driven to do along the longitudinal direction directly
Line is moved.As the direction of rotation that motor 16 is exported is different, the linear movement direction of tooth bar 12 is also opposite.
Above-mentioned biasing member is installed on the front end of tooth bar 12, and the rotary motion with the output shaft 161 of motor 16 continues
Output, tooth bar 12 drives biasing member to do linear motion forward or backward, pushed with this be placed in it is packed in tubular element 7
Fluid sealant, so as to fluid sealant is extruded into glue spraying gun 100 from opening.
Fig. 4 and Fig. 5 further illustrate gear frame lid 27, the gear frame seat 28, bushing bearing 30 and zanjon of support shaft 33
Ball bearing 31, and fix the jump ring 32 of bevel gear 182.
Knowable to the locus illustrated from the view of Fig. 1 and 2, in the longitudinal direction, motor 16 is arranged at planetary system
Before 17, planetary system 17 is arranged at before gear rack arrangement 26.In the vertical direction, tubular element 7 is located at motor
16 and the top of planetary system 17, gear rack arrangement 26 is located at the rear of tubular element 7, wherein, tooth bar 12 can be in tubular element 7
Straight reciprocating motion is inside done, support shaft 33 and the cylindrical gear 29 being installed in support shaft 33 are located at the rear of tubular element 7.
With reference to Fig. 2 and 4, they show that tooth bar 12 is pulled to extreme position foremost, in this extreme position, along tooth
The total length of the glue spraying gun 100 of the linear movement direction of bar 12 for glue spraying gun 100 fluid sealant holding part holding member 8 most
The distance between rearmost end 110 of tooth bar 12 of gear rack arrangement 26 of front end 120 and glue spraying gun 100.
The setting of said structure, makes the length of glue spraying gun of the invention 100 shorter, small volume.Correspondingly, reduce
Requirement to space needed for the operation of glue spraying gun 100, especially for for existing glue spraying gun because narrow space or having
Limit and can not operate or be inconvenient to the situation about operating will be eased.Equally, for packing the container such as housing of glue spraying gun 100
Size and weight can be reduced.
As shown in fig. 6, first bevel gear 181 and first bevel gear 182 are engaged, second bevel gear 182 passes through support shaft 33
Realize linking with cylindrical gear 29, cylindrical gear 29 is engaged with tooth bar 12, and tooth bar 12 is moved forward and backward in tubular element 7.
Wherein, support shaft 33 is biased to a folder by longitudinal perpendicular V of summit and glue spraying gun 100 of the center of circle of first bevel gear 181
Angle θ, longitudinal perpendicular is represented with V in figure.Because longitudinal perpendicular V of support shaft 33 and glue spraying gun 100 has angle theta,
The crest top land of the cylindrical gear 29 being then installed in support shaft 33 also constitutes a folder with longitudinal perpendicular V of glue spraying gun 100
Angle θ, then crest top land and the longitudinal direction perpendicular V of the tooth bar 12 for being engaged with cylindrical gear 29 also constitute an angle theta.Such as Fig. 6 institutes
Show, the bearing of trend of tooth bar 12 is located substantially on the centerline of tubular element 7, support shaft 33 is biased, made from vertical direction
The overall width W1 of glue spraying gun 100 for obtaining as shown in Figure 6 diminishes.Fig. 7 is the perspective view of another angle of Fig. 6.Comparatively speaking, as supported
Axle 33 arranges that then the overall width of glue spraying gun 100 will be greater than W1 vertically so that the volume of glue spraying gun 100 becomes big.
So, it is in tilted layout by the vertical arrangement that tooth bar 12 is configured differently than prior art, according to the present invention
The overall width W1 of glue spraying gun 100 reduce, accordingly reduce the volume of glue spraying gun 100.Therefore correspondingly, make operator easy
Glue spraying gun 100 is controlled, and reduces the requirement to the operating space for using.Equally, for pack glue spraying gun 100 container example
Size and weight such as housing can reduce.
Additionally, as shown in figure 1, the tooth bar 12 of glue spraying gun 100 includes the knop 4 for operator's operation in rear end.Need
When loading packed fluid sealant, user holds knop 4, and tooth bar 12 is pulled back, and then screws off holding member 8, by bag
Dress seal gum loading is downloaded in tubular element 7, then screws holding member 8.
In addition, the rigidity in order to strengthen tooth bar 12, ribs 121 is provided with the back side of tooth bar 12.Preferably, ribs
121 thickness is equal to or less than the thickness of tooth bar 12, and the length of ribs 121 is equal to, preferably smaller than the length of tooth bar 12.
The release system 9 of glue spraying gun of the invention 100 is described below with reference to Fig. 8 to Figure 10 c.
Release system 9 includes release button 19, release button spring 21, sliding block 20, sliding block spring 22, pushing block 23, pushing block
Spring 24, switch trigger 3, switch trigger spring 50, and the grade part of microswitch 25.
Pushing block 23 includes insertion portion 231 and promotes part 232, and its insertion portion 231 is installed in planetary system 17
The shank 456 formed on second gear case halfbody 455（Fig. 3）Slit 451 in.Promoting part 232 has the first inclined-plane 233.
The insertion portion 231 of pushing block 23 includes end 236, and end 236 is configured as being in and is joined in the recess 123 of gear ring 42
Gear ring 42 is restricted from rotating during bonding station, and now, the torque of motor 16 is delivered to rack-and-pinion by planetary system 17
The tooth bar 12 of device 26.The end 236 of pushing block 23 when the disengaged position in being disengaged from the recess 123 of gear ring 42, as above institute
State, gear ring 42 can be rotated freely, planetary system 17 can not transmit power, the tooth bar 12 of glue spraying gun 100 can be by a user by
Knop 4 is pulled and is moved rearwards by, so that packed fluid sealant can be loaded into tubular element 7.
Release button 19 includes co-operating second inclined-plane 191 in the first inclined-plane 233 with pushing block 23.In release button 19
On also have slit 192.
Sliding block 20 has the co-operating main inclined plane 201 of the second inclined-plane 191 being configured as with release button 19, while tool
There is sliding part 205.Sliding part 205 is configured as to be received within the slit 192 of release button 19.
Release button 19 includes initial position and depressing position.When user loads wound packages fluid sealant or packed fluid sealant
When, user overcomes the active force of release button spring 21 to press release button 19, makes it by from initial position to depressing position
It is mobile, as shown in Figure 10 a.Therefore gram second inclined-plane 191 of release button 19 is abutted with the first inclined-plane 233 of pushing block 23, and
The active force for taking pushing block spring 24 orders about pushing block 23 along direction B movements.
Meanwhile, the second inclined-plane 191 of release button 19 also abuts the main inclined plane 201 of sliding block 20, and overcomes sliding block spring
22 active force orders about mobile sliding block 20 and is moved along direction C, and now, the slipper 205 of sliding block 20 is with together along direction C
It is mobile.Wherein, direction C is consistent with direction B.
When release button 19 is pressed into depressing position from initial position, the end 236 of pushing block 23 is from the recessed of gear ring 42
Removed in portion 123, while the slipper 205 of sliding block 20 moves across the edge part 197 of release button 19.Afterwards, in sliding block
In the presence of spring 22, engage and lock onto in the slit 192 of release button 19, as shown in fig. lob.In this way, release button
19 are locked and are held in depressing position.Now, gear ring 42 can be rotated freely, and planetary system 17 no longer transfers power to tooth
Wheel rack gear arrangement 26.
As shown in fig. lob, when release button 19 is in depressing position, because the slipper 205 of sliding block 20 is by card
Close and be locked in the slit 192 of release button 19, release button 19 can not be released button spring 21 and return, glue spraying gun 100
It is held in this state.Now user can hold knop 4, and tooth bar 12 is pulled back, and be capable of achieving to load wound packages
The operation of fluid sealant or packed fluid sealant.
As shown in figure l0c, load after the completion of the operation of wound packages fluid sealant or packed fluid sealant, user can be along arrow
Direction presses switch trigger 3, makes the microswitch 25 of the triggering motor 16 of fingers 303 of switch trigger 3（Figure 10 c）, because
And start motor 16.It is noted that conventional any kind of microswitch controlled motor 16 in the art can be used herein.
Switch trigger 3 includes cantilever 301.As switch trigger 3 is pressed along the direction of arrow, cantilever 301 it is oblique
Face 302 can abut the inclined-plane 203 of sliding block 20, and promote the inclined-plane 203 of sliding block 20, sliding block 20 is also driven, now, sliding block 20
Slipper 205 by drives edge direction C move.When the slipper 205 of sliding block 20 removes the slit 192 of release button 19
When, the lock-out state of the depressing position of release button 19 is released from, and release button 19 is then in the effect of release button spring 21
It is lower to be rebounded along direction F, while restriction of the release to pushing block 23.Now, in the presence of pushing block spring 24, with release button 19
Resilience, pushing block 23 moves along the direction H opposite with direction B.Now, in the presence of sliding block spring 22, the master of sliding block 20
Recover the abutting with the inclined-plane 191 of release button 19 in inclined-plane 201.Finally, release button 19 can reset to initial position；Pushing block 23
End 236 be re-engaged in the depression 123 of gear ring 42, prevent gear ring 42 from freely rotating, recover planetary system 17 and tooth
Take turns the power transmission of rack gear arrangement 26.Therefore, the torque of the motor 16 being activated via the transmission system of glue spraying gun 100 transmission
Be changed into the forward movement of tooth bar 12, tooth bar 12 promote biasing member by the fluid sealant in wound packages fluid sealant or packed fluid sealant from
Opening extrusion, reaches the function of plastic squeeze.
In the present embodiment, release button 19 is additionally provided with stop surface 193, as shown in fig. lob.Stop surface 193 is matched somebody with somebody
It is set to and the cantilever 301 of trigger 3 is switched on and off when switch trigger 3 is not unclamped stops when user presses, so that release button 19
Can not be pressed.Otherwise, release button 19 may be from being inadvertently depressed, and cause planetary system 17 to transmit power, extrusion sealing
The operation of glue surprisingly stops.The setting of stop surface 193 ensure that glue spraying gun 100 can realize continuously extruding the behaviour of fluid sealant
Make, so as to prevent the possibility that plastic squeeze is interrupted situation because surprisingly pressing release button 19.
Glue spraying gun of the invention 100 can release relatively high-viscosity material.It is well known that due to viscosity of material
Height, frequent generating material increases in extrusion resistance so that the speed to introduce of material slows down the phenomenon of even stopping.For existing
Glue spraying gun for, electric current can be automatically cut off when the electric current of motor increases to certain numerical value, motor shuts down, glue spraying gun squeeze
Therefore go out operation can stop.
Advantageously however, when heavy viscous material is extruded in the event of the excessive situation of resistance, plastic squeeze of the invention
Rifle 100 can realize continuously extruding the technique effect of heavy viscous material.Specifically, the increasing of resistance is released with heavy viscous material
Plus, the electric current increase in motor 16.When electric current increases to default a certain critical value, being preset by user makes motor 16
A default small voltage is supplied to, promotes the Nonstop running of motor 16 to stop, wait the release resistance of glue spraying gun 100 to reduce.Resistance
Power reduces when to a certain extent, and motor 16 is restarted automatically, and the operation of the extrusion fluid sealant of glue spraying gun 100 recovers automatically.Cross herein
Cheng Zhong, glue spraying gun 100 supplies the power for pushing fluid sealant incessantly, this ensure that the crowded thrust of glue spraying gun 100 is continuous
, and it is sufficiently large quickly and efficiently extruding this heavy viscous material.In this way, using electronically controlled method reduction motor
Voltage, makes it with the rotational speed of very little, so as to constantly thrust is applied on fluid sealant, discharges this automatic of system 9
Restart function and ensure that glue spraying gun of the invention 100 realizes the function of continuous extrusion heavy viscous material.
It is furthermore advantageous to, glue spraying gun of the invention 100 includes the control module of controlled motor 16.Complete to seal
The plastic squeeze operation of glue need stop plastic squeeze act when, user's release-push trigger 3, motor by above-mentioned control module control into
Row reversion, continues a default time, such as several seconds so that the tooth bar 12 of glue spraying gun 100 is under the driving of the motor 16 of reversion
Retreat certain distance.So, the thrust being applied on fluid sealant at the extrusion of glue spraying gun 100 is obtained actively and rapidly unloaded
Carry, and because negative pressure makes fluid sealant be drawn back immediately in the tubular element 7 of glue spraying gun 100, so as to prevent fluid sealant in electricity
Because inertia continues from opening outflow when machine shuts down.Otherwise, will discharged as glue spraying gun of the prior art
After closing trigger 3, the thrust still deposited in glue spraying gun 100 causes environmental pollution or dirt so that fluid sealant continues to drip
Dyeing equipment or the clothes of operator.In this way, glue spraying gun of the invention 100 realizes extrusion fluid sealant operation terminates rear close
Sealing will not continue to be extruded and drip from opening.
The control module can be realized by any known way in the art, such as by circuit control or logical
Cross computer programming realization.
Referring again to Fig. 1, glue spraying gun of the invention 100 also includes illuminator, is operated for illuminating glue spraying gun 100
Working region, illuminator include lighting device and for for lighting device supply electric energy power supply.
Specifically, in the preferred embodiment, the lighting device of glue spraying gun 100 is configurable at least one LED 15.
It is of course also possible to replace LED 15 with any other conventional lighting device known in the art.
In the present embodiment, the hand grasped for user is formed after the bottom packet dress of left shell 11 and right shell 10
Shank 99, its lower section for being located at drive mechanism of in the vertical direction makes glue spraying gun 100 that T fonts are presented, and is located in the horizontal direction
On the center of gravity line of glue spraying gun, to balance the weight of glue spraying gun.
Handle portion 99 includes serving as the housing bottom 90 of its lower end.In the left side of the glue spraying gun 100 being preferably made from plastic
The lower part of housing 11 and right shell 10 is designed with the rake of projection forward.As shown in Fig. 2 left shell 11 is included forward
The upper inclined portion 114 and lower rake 112 of downward projection.The first semicircular hole 116 is formed with upper inclined portion 114, the
The size in one semicircular hole 116 according to illumination requirement determine, and hole 116 shape can be arranged as required into it is any
Other shapes, such as it is square.For right shell 10, the structure of its underpart is the mirror image of left shell 11, is also provided with
The upper inclined portion 114' of projection under oriented forward direction and lower rake 112', and the second semicircle is formed with upper inclined portion 114'
The hole 116' of shape.When left shell 11 and right shell 10 are assembled together, right shell 10 and left shell 11 are respective
Upper inclined portion 114,114' and lower rake 112,112' and the first, the second semicircular hole 116,116' align each other and
Engagement, forms lighting device receiving portion 92 as shown in Figure 1.
The bearing 118 of fixed lighting device is provided with lighting device receiving portion 92, specifically, in the embodiment that Fig. 2 illustrates
In, bearing 118 is fixed in the inner side of the upper inclined portion 114 ' of right shell 10.The bearing 118 is designed to make photograph thereon
Bright device, LED as depicted 15, the circle for being installed on left shell 11 and being formed when right shell 10 is assembled together
In hole, the light that it sends illuminates the target location of the work of glue spraying gun 100 along the incline direction in hole.
In addition, the design of lighting device receiving portion 92, the angle that specifically for example upper inclined portion 114 turns forward, are set
It is calculated as that the light sent from lighting device is pointed into by the circular port of the formation and the work of glue spraying gun 100 is fully illuminated
Make, that is, the fluid sealant being extruded is employed, target area so that user is obtained in that the more preferable visual field, so as to ensure close
Envelope quality.
It will be appreciated, of course, that the bearing 118 of the lighting device of glue spraying gun of the invention 100 can be fixed in a left side
On side body 11, or it is fixed on simultaneously on right shell 10 and left shell 11.
Glue spraying gun of the invention 100 for LED 15 supply electric energy power supply can be battery pack 1, the battery
Group 1 can be made up of disposable battery or rechargeable lithium battary.
In the present embodiment, battery pack 1 can be placed on housing bottom 90.
The position of the lighting device of glue spraying gun 100 is arranged to when the hand-held glue spraying gun 100 of user and finger are by press against out
When closing trigger 3, the finger of user will not hinder illumination of the lighting device to working region.For example, LED 15 is set
In the position of the housing bottom 90 of the handle portion 99 near housing unit 95.
Glue spraying gun of the invention 100 is not provided with the switch for being exclusively used in controlling lighting device, but is shared with motor 16
Same switch, i.e. microswitch 25.It is appreciated that, it is also possible to which the special switch dedicated for lighting device, such as button are set
Or knob.Alternatively, it is configured to the switch for controlling drive mechanism for the switch for controlling the lighting device synchronous
Start.
Glue spraying gun of the invention is provided with illuminator, for user provides the bright work visual field, it is ensured that
Operation quality.
Glue spraying gun of the invention is arranged at before gear rack arrangement by by motor and speed reducer structure, is substantially managed
The underface of shape component so that glue spraying gun obtains the total length of reduction；By by the tooth bar of gear rack arrangement be arranged to from
Longitudinal perpendicular biases an angle so that glue spraying gun of the invention obtains the overall width for reducing.
Glue spraying gun of the invention is by setting release system so that glue spraying gun is being loaded wound packages fluid sealant or packed
It is manually operable during fluid sealant, can electric operating when the fluid sealant in it is extruded.And stop in the operation of extrusion fluid sealant
When only, tooth bar automatic rollback is unloading the pushing force in glue spraying gun, it is to avoid fluid sealant continues the phenomenon being extruded.
However, those skilled in the art should be appreciated that the present invention be not restricted to be described above and figure in the implementation illustrated
Example, but cover all embodiments in the scope of the present invention limited by claims set forth below.
Claims (10)
1. a kind of glue spraying gun, including：
Fluid sealant holding part, it is used to load the fluid sealant for needing；
Pressing device, including a biasing member, for pushing the fluid sealant, make it be extruded from glue spraying gun；
Drive mechanism for driving pressing device, it includes the motor and transmission system for providing power, the transmission
System includes reducing gear and gear rack arrangement, and the motor will be sealed via pressing device described in the transmission system drives
Glue is extruded；
Characterized in that, bearing of trend of the bearing of trend of the output shaft of reducing gear parallel to the tooth bar of gear rack arrangement,
Reducing gear includes the first bevel gear on the output shaft of reducing gear, and gear rack arrangement includes and first bevel gear
The geared sleeve of the second bevel gear of engagement, the second bevel gear and the gear rack arrangement is described in a support shaft
The bearing of trend of support shaft is at an angle with the perpendicular structure of the central axis of the output shaft comprising the reducing gear to be more than
The angle of zero degree.
2. glue spraying gun according to claim 1, wherein, the transmission system also includes reducing gear, the reducing gear
It is connected with the gear rack arrangement to drive tooth bar to do straight reciprocating motion, reducing gear is located at the electricity in the horizontal direction
Machine rear, the bearing of trend for extending perpendicularly to support shaft of the tooth bar of the gear rack arrangement, between the two by boring tooth
Wheel engagement transmission kinetic energy.
3. glue spraying gun according to claim 2, wherein, the tooth bar of the gear rack arrangement extends along direction and is set
In the centre of the bearing of trend of fluid sealant holding part, reducing gear in the vertical direction is located at the fluid sealant holding part
Underface.
4. glue spraying gun according to claim 3, wherein, the pressing device is arranged at the front end of tooth bar, can be done with tooth bar
Straight reciprocating motion.
5. glue spraying gun according to claim 4, wherein, between the angle is spent at 20 degree -45.
6. according to any described glue spraying gun in claim 1-5, wherein, the gear of the gear rack arrangement is cylin-drical tooth
Wheel, the crest top land of cylindrical gear parallel to support shaft bearing of trend, the crest top land of the tooth bar engaged with cylindrical gear
Bearing of trend with support shaft is parallel.
7. according to any described glue spraying gun in claim 1-5, wherein, the pressing device is also pushed away including dismountable second
Pressure component.
8. according to any described glue spraying gun in claim 1-5, wherein, the tooth bar both sides of the gear rack arrangement are provided with and add
Strong rib.
9. according to any described glue spraying gun in claim 1-5, wherein, the motor is permanent magnet DC motor.
10. glue spraying gun according to claim 6, wherein, the cylin-drical tooth wheel and rack has intermeshing trapezoidal
Tooth or involute teeth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210375981.9A CN103706533B (en) | 2012-09-29 | 2012-09-29 | Glue spraying gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210375981.9A CN103706533B (en) | 2012-09-29 | 2012-09-29 | Glue spraying gun |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103706533A CN103706533A (en) | 2014-04-09 |
| CN103706533B true CN103706533B (en) | 2017-06-23 |
Family
ID=50400087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210375981.9A Expired - Fee Related CN103706533B (en) | 2012-09-29 | 2012-09-29 | Glue spraying gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103706533B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105033936A (en) * | 2015-08-05 | 2015-11-11 | 苏州听毅华自动化设备有限公司 | Electric gun |
| CN107999343A (en) * | 2017-12-20 | 2018-05-08 | 江苏东成机电工具有限公司 | Caulking gun |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101234375A (en) * | 2006-07-24 | 2008-08-06 | 苏州宝时得电动工具有限公司 | Glue squeezing device |
| WO2011117678A1 (en) * | 2010-03-24 | 2011-09-29 | Cameron International Corporation | Compact-actuator gear set |
| CN202162124U (en) * | 2011-06-08 | 2012-03-14 | 东莞长鸿五金制品有限公司 | Electric gluing gun |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203711286U (en) * | 2010-11-15 | 2014-07-16 | 密尔沃基电动工具公司 | Electric distributing tool |
-
2012
- 2012-09-29 CN CN201210375981.9A patent/CN103706533B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101234375A (en) * | 2006-07-24 | 2008-08-06 | 苏州宝时得电动工具有限公司 | Glue squeezing device |
| WO2011117678A1 (en) * | 2010-03-24 | 2011-09-29 | Cameron International Corporation | Compact-actuator gear set |
| CN202162124U (en) * | 2011-06-08 | 2012-03-14 | 东莞长鸿五金制品有限公司 | Electric gluing gun |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103706533A (en) | 2014-04-09 |
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