CN113102176A - Needle residual glue cleaning device - Google Patents
Needle residual glue cleaning device Download PDFInfo
- Publication number
- CN113102176A CN113102176A CN202110314441.9A CN202110314441A CN113102176A CN 113102176 A CN113102176 A CN 113102176A CN 202110314441 A CN202110314441 A CN 202110314441A CN 113102176 A CN113102176 A CN 113102176A
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- Prior art keywords
- wheel
- wiping
- pivot shaft
- assembly
- driving wheel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
- B05B15/55—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids
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- Cleaning In General (AREA)
Abstract
The invention discloses a needle head residual glue cleaning device which comprises a fixing frame, a feeding component, a receiving component, a liquid spraying pipe, a wiping wheel and a driving device, wherein the feeding component is arranged on the fixing frame and used for loading and rotationally releasing a wiping belt; the material receiving component is arranged on the fixed frame and used for rolling the wiping belt in a rotating way, so that the wiping belt is gradually rolled onto the material receiving component after being released by the material feeding component; the liquid spraying pipe is arranged on a conveying path between the feeding assembly and the material receiving assembly and is used for spraying cleaning liquid to the wiping belt; the wiping wheel is arranged on the fixed frame and is positioned behind the liquid spraying pipe on the conveying path, and partial area of the wheel surface of the wiping wheel is covered by the wiping belt so as to wipe and remove glue from the needle head contacted with the wiping belt by covering the wiping belt; the driving device is connected with the material receiving assembly and used for driving the material receiving assembly to rotate. According to the needle head residual glue cleaning device provided by the embodiment of the invention, the glue dispensing needle head can be quickly and fully cleaned to remove glue, and the cleaning effect is better.
Description
Technical Field
The invention relates to the technical field of dispensing, in particular to a needle head residual glue cleaning device.
Background
The glue dispensing is a process, also called glue applying, glue spreading, glue pouring, glue dripping and the like, and electronic glue, oil or other liquid is smeared, filled and dripped on a product, so that the product has the effects of sticking, filling and sealing, insulating, fixing, smooth surface and the like.
The dispensing valve is a core component in the dispensing equipment, and can apply the colloid to the surface of the dispensed workpiece according to the requirement of a preset amount. After the dispensing process is completed or the dispensing is interrupted for a certain time, the dispensing needle is prone to have residual glue, and the residual glue on the dispensing needle needs to be removed before the next dispensing. In the related art, the residual glue cleaning mechanism adopts cleaning components such as a rolling brush and the like to clean, and the cleaning effect is poor.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the invention aims to provide a needle residual glue cleaning device.
In order to achieve the above object, a needle residual glue cleaning device according to an embodiment of the present invention includes:
a fixed mount;
the feeding assembly is arranged on the fixed frame and used for loading and rotationally releasing the wiping belt;
the material receiving assembly is arranged on the fixed frame and used for rolling the wiping belt in a rotating manner so that the wiping belt is gradually rolled onto the material receiving assembly after being released by the material supply assembly;
the liquid spraying pipe is arranged on a conveying path between the feeding assembly and the receiving assembly and is used for spraying cleaning liquid to the wiping belt;
the wiping wheel is arranged on the fixed frame and is positioned behind the liquid spraying pipe on the conveying path, and partial area of the wheel surface of the wiping wheel is covered by the wiping belt so as to wipe and remove glue on the needle head contacted with the wiping belt through covering the wiping belt;
and the driving device is connected with the material receiving assembly and used for driving the material receiving assembly to rotate.
According to the needle head residual glue cleaning device provided by the embodiment of the invention, the material receiving component is utilized to drive the wiping belt to rotate, the cleaning liquid is sprayed onto the wiping belt through the liquid spraying pipe, a partial area of the wheel surface of the wiping wheel is covered by the wiping belt, when the needle head needs to be cleaned, the needle head is close to the wheel surface of the wiping wheel, the wiping belt on the wheel surface can wipe the needle head to remove residual glue on the needle head, and the cleaning liquid is sprayed on the wiping belt, so that the colloid can be wetted and dissolved, the needle head residual glue cleaning device can be used for realizing faster and more sufficient cleaning, and the cleaning effect is better.
In addition, the needle residual glue cleaning device according to the above embodiment of the invention can also have the following additional technical features:
according to an embodiment of the present invention, further comprising:
the traction roller is arranged on the fixed frame, is positioned between the wiping wheel and the material receiving assembly on the conveying path, and is connected to the material receiving assembly after bypassing the traction roller;
the pressing wheel is arranged adjacent to the traction roller and is used for pressing the wiping belt on the traction roller so as to drive the wiping belt to move when the traction roller rotates;
wherein, the drive arrangement is still used for driving the pull roll rotation.
According to one embodiment of the invention, a gap adjusting assembly is arranged on the fixed frame, and the pressing wheel is arranged on the gap adjusting assembly, so that the distance between the pressing wheel and the traction roller bracket is adjusted through the gap adjusting assembly, and the pressure of the pressing wheel on the wiping belt is changed.
According to one embodiment of the invention, the receiving assembly comprises:
the first pivot shaft is pivoted on the fixed frame;
the material receiving barrel is fixed on the first pivot shaft and rotates along with the first pivot shaft to receive the wiping belt;
the first driving wheel is sleeved on the first pivot shaft, and the driving device is connected with the first driving wheel and used for driving the first driving wheel to rotate and driving the first pivot shaft to rotate through the first driving wheel;
the first damping adjusting assembly is arranged between the first pivot shaft and the first driving wheel and used for adjusting first damping of relative rotation between the first driving wheel and the first pivot shaft.
According to one embodiment of the invention, the first pivot shaft has a first end, a second end, and a shoulder between the first and second ends; the material collecting barrel is arranged at the first end, and the first driving wheel is sleeved at the second end and can rotate in the circumferential direction and axially slide relative to the first pivot shaft;
the first damping adjusting assembly comprises a first adjusting nut and a first elastic piece, the first adjusting nut is in threaded connection with the second end, the axial position of the first adjusting nut is adjustable, and the first driving wheel is located between the first adjusting nut and the shaft shoulder; the first elastic piece is arranged between the first adjusting nut and the first driving wheel and is in a compressed state so as to provide a first elastic acting force to force the first driving wheel to abut against the shaft shoulder.
According to one embodiment of the invention, the feed assembly comprises:
the second pivot shaft is pivoted on the fixed frame;
a discharge tray fixed on the second pivot shaft to rotate with the second pivot shaft to release the wiping tape;
and the second damping adjusting assembly is arranged between the second pivot shaft and the fixed frame and used for adjusting second damping of relative rotation between the second pivot shaft and the fixed frame.
According to one embodiment of the invention, the second pivot shaft has a third end and a fourth end, and the discharge tray is mounted at the third end;
the second damping adjusting assembly comprises a second adjusting nut, a friction fixed wheel, a friction driving wheel and a second elastic piece, the second adjusting nut is in threaded connection with the fourth end, and the axial position of the second adjusting nut is adjustable; the friction fixed wheel is sleeved outside the second pivot shaft and is fixed to the fixing frame, and the friction movable wheel is sleeved outside the second pivot shaft, is circumferentially fixed with the second pivot shaft and can axially slide; the second elastic piece is arranged between the second adjusting nut and the friction driving wheel and is in a compressed state so as to provide a second elastic acting force to force the friction driving wheel to abut against the friction fixed wheel.
According to one embodiment of the invention, the area of the tread of the wiping wheel covered by the wiping strip is greater than half of the circumference of the tread.
According to one embodiment of the invention, the gap adjustment assembly comprises:
the pivoting seat is fixedly arranged on the fixed frame;
one end of the rotating support arm is pivoted on the pivoting seat, and the pinch roller is arranged at the other end of the rotating support arm;
and the abutting screw is in threaded connection with the pivoting seat and abuts against the rotating support arm, and when the abutting screw is adjusted to move, the abutting screw pushes the pressing wheel to be close to or far away from the traction roller so as to adjust the pressure of the pressing wheel on the wiping belt.
According to an embodiment of the present invention, the liquid ejecting tube is disposed parallel to the wiping tape, and the liquid ejecting tube is provided with a plurality of liquid ejecting holes, and the plurality of liquid ejecting holes are spaced apart in a width direction of the wiping tape.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of a needle residual glue cleaning device according to an embodiment of the present invention;
FIG. 2 is a front view of a needle residue cleaning device according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of another perspective view of the needle residual glue cleaning device according to the embodiment of the invention;
FIG. 4 is a rear view of a needle residue cleaning apparatus according to an embodiment of the present invention;
FIG. 5 is a schematic view of a first damping adjustment assembly, a first driving wheel and a first pivot shaft of the needle residual glue cleaning device according to the embodiment of the present invention;
FIG. 6 is a cross-sectional view showing the first damping adjustment assembly, the first driving wheel, the first pivot shaft and the fixing frame of the needle residual glue cleaning device according to the embodiment of the present invention;
FIG. 7 is a schematic view of a second damping adjustment assembly, a second pivot shaft and a fixing frame of the needle residual glue cleaning device according to the embodiment of the present invention;
FIG. 8 is a cross-sectional view of the second damping adjustment assembly, the second pivot shaft and the fixing frame of the needle residual glue cleaning device according to the embodiment of the invention;
FIG. 9 is a schematic structural diagram of the gap adjusting assembly in the needle residual glue cleaning device, the pressing wheel and the traction roller in cooperation with each other according to the embodiment of the invention;
FIG. 10 is a front view of the gap adjustment assembly cooperating with the pinch roller and the pull roll in the needle residue cleaning apparatus of the embodiment of the present invention;
FIG. 11 is a schematic view showing a structure of a liquid spraying tube in the needle residue cleaning apparatus according to the embodiment of the present invention;
FIG. 12 is a sectional view of a liquid ejecting tube in the needle residue cleaning apparatus according to the embodiment of the present invention.
Reference numerals:
10. a fixed mount;
101. a carrier plate;
11. a gap adjustment assembly;
111. a pivoting seat;
112. rotating the support arm;
113. abutting against the screw;
20. a supply assembly;
201. a second pivot shaft;
202. placing a tray;
203. a second damping adjustment assembly;
2031. a second adjusting nut;
2032. a friction fixed wheel;
2033. a friction driving wheel;
2034. a second elastic member;
d201, a third end;
d202, a fourth end;
30. a material receiving assembly;
301. a first pivot shaft;
302. a material receiving disc;
303. a first drive wheel;
304. a first damping adjustment assembly;
3041. a first adjusting nut;
3042. a first elastic member;
d301, a first end;
d302, a second end;
40. a liquid spraying pipe;
50. a wiping wheel;
60. a traction roller;
61. a pinch roller;
62. a second drive wheel;
70. a motor;
71. a third drive wheel.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the present invention and should not be construed as limiting the present invention, and all other embodiments that can be obtained by one skilled in the art based on the embodiments of the present invention without inventive efforts shall fall within the scope of protection of the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "circumferential," "radial," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Hereinafter, a needle residual gum cleaning device according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1 to 12, a needle residual glue cleaning device for cleaning residual glue on a dispensing needle according to an embodiment of the present invention includes a fixing frame 10, a feeding assembly 20, a receiving assembly 30, a liquid spraying tube 40, a wiping wheel 50, and a driving device.
Specifically, the fixing frame 10 is used for installing the feeding assembly 20, the receiving assembly 30, the liquid spraying tube 40, the wiping wheel 50 and the driving device, and in a specific application, the fixing frame 10 may be disposed adjacent to the dispensing equipment, for example, at one side of the dispensing equipment, so that the needle of the dispensing equipment can move to the needle residual glue cleaning device, and the needle is cleaned by residual glue through the needle residual glue cleaning device.
A feeding assembly 20 is provided on the holder 10 for loading and rotationally releasing the wiping strip. The material receiving assembly 30 is disposed on the fixing frame 10 and used for rolling the wiping strip in a rotating manner, so that the wiping strip is gradually rolled onto the material receiving assembly 30 after being released by the material supplying assembly 20. The driving device is connected with the material receiving assembly 30 and used for driving the material receiving assembly 30 to rotate. That is to say, the one end of wiping area is connected on the feed assembly 20 and is coiled the wiping area of predetermined length through feed assembly 20, and the other end of wiping area is connected to receiving the material subassembly 30, and when drive arrangement drive received the material subassembly 30 and rotate, can drive the wiping area and follow feed assembly 20 to receiving the material subassembly 30 motion, and feed assembly 20 releases the wiping area gradually, and then makes the wiping area roll gradually to receiving on the material subassembly 30.
It should be noted that the wiping belt is driven between the feeding assembly 20 and the receiving assembly 30, and the path along which the wiping belt moves is the conveying path, and at least one tension wheel may be disposed on the conveying path, and the wiping belt is relatively tensioned by the at least one tension wheel. Further, the wiping tape may be a cloth-supported tape body such as a cotton tape or the like.
The liquid spray tube 40 is arranged on a transmission path between the feeding component 20 and the receiving component 30, and is used for spraying cleaning liquid to the wiping belt, namely, spraying cleaning liquid to the wiping belt through the liquid spray tube 40, so that a certain amount of cleaning liquid is absorbed and stored on the wiping belt, the cleaning liquid can be but not limited to alcohol and other liquids, the cleaning liquid is utilized to facilitate wetting and dissolving of residual glue on the dispensing needle head, and the residual glue on the dispensing needle head is easily and more thoroughly removed.
The wiping wheel 50 is arranged on the fixed frame 10, can pivot around the axis of the wiping wheel, is positioned behind the liquid spraying pipe 40 on the conveying path, and is covered with the wiping belt at a partial area of the wheel surface of the wiping wheel 50 so as to wipe and remove glue on the needle contacted with the wiping belt by covering the wiping belt.
That is, the wiping wheel 50 is located on the conveying path, the wiping belt bypasses the wiping wheel 50 and contacts with the road surface of the wiping wheel 50, and the wiping wheel 50 is located behind the liquid spraying pipe 40, after the liquid spraying pipe sprays the cleaning liquid to the wiping belt, a certain amount of the cleaning liquid can be absorbed and stored on the wiping belt, and along with the rotation of the material receiving assembly 30, the wiping belt absorbed with the cleaning liquid passes through the wiping wheel 50 and then is rolled to the material receiving assembly 30.
In a specific application, the needle residual glue cleaning device may be disposed near the dispensing device, and when the dispensing needle needs to be cleaned, the dispensing needle may be driven by the dispensing device to move to one side of the wiping wheel 50 in the needle residual glue cleaning device, and the dispensing needle is ensured to be close to the road surface of the wiping wheel 50, and at this time, the wiping belt on the wheel surface of the wiping wheel 50 may contact with the dispensing needle. Then, receive the material subassembly 30 rotation through drive arrangement drive, it releases gradually to wipe the area from the feed subassembly 20, and move to receiving the material subassembly 30 along the direction of transfer, in this process, spray tube 40 sprays the washing liquid to wiping the area, along with receiving the rotation of material subassembly 30, it passes through wiping wheel 50 to absorb the area of wiping that has the cleaning liquid, at this moment, it rubs to some syringe needles to wipe the area, on the one hand, the cleaning liquid on wiping the area plays moist and dissolving effect to the cull on some syringe needles, on the other hand, wipe the frictional force between area and the some syringe needles, make the cull on some syringe needles drop from some syringe needles, and then reach quick and comparatively thorough cull and clear away.
Preferably, the area of the tread of the wiping wheel 50 covered by the wiping belt is greater than one half of the circumference of the tread, so that the dispensing needle is convenient to contact with the wiping belt, and the wiping wheel 50 has a larger wiping effective area and a better wiping effect.
According to the needle residual glue cleaning device provided by the embodiment of the invention, the material receiving component 30 is used for driving the wiping belt to rotate, the cleaning liquid is sprayed onto the wiping belt through the liquid spraying pipe 40, a partial area of the wheel surface of the wiping wheel 50 is covered by the wiping belt, when the needle needs to be cleaned, the needle is close to the wheel surface of the wiping wheel 50, the wiping belt on the wheel surface can wipe the needle to remove residual glue on the needle, and the cleaning liquid is sprayed on the wiping belt, so that the colloid can be wetted and dissolved, the needle can be cleaned more quickly and sufficiently, and the cleaning effect is better.
Referring to fig. 1 to 2, in some embodiments of the present invention, a traction roller 60 and a pressing wheel 61 are further included, wherein the traction roller 60 is disposed on the fixing frame 10 and located between the wiping wheel 50 and the receiving assembly 30 on the conveying path, and the wiping belt is connected to the receiving assembly 30 after passing around the traction roller 60.
A pinch roller 61 is disposed adjacent the pull roll 60 for pinching the wiping strip against the pull roll 60 to drive the movement of the wiping strip as the pull roll 60 rotates. The drive means is also used to drive the pull roll 60 in rotation.
That is, the traction roller 60 and the pressing roller 61 are arranged on the conveying path, the pressing roller 61 is parallel to the axis of the traction roller 60, a gap is defined between the surface of the pressing roller 61 and the peripheral surface of the traction roller 60, the wiping belt passes through the gap, the gap is smaller than the thickness of the wiping belt, and the pressing roller 61 is used for applying pressure to the wiping belt to ensure that the wiping belt is pressed on the peripheral surface of the traction roller, so that when the receiving assembly 30 and the traction roller 60 are driven by the driving device to rotate, on one hand, the receiving assembly 30 rolls the wiping belt, on the other hand, the wiping cloth can be driven to move towards the receiving assembly 30 by the rolling between the traction roller 60 and the wiping cloth, in other words, the traction roller 60 can promote the wiping cloth to move towards the receiving assembly 30 by the traction force, and further, the reliability and the stability of the movement of the wiping cloth.
It can be understood that the soft rubber layer is arranged on at least one of the peripheral surface of the traction roller 60 and the wheel surface of the pressing wheel 61, so that friction force can be improved through the soft rubber layer, better traction conveying effect is ensured, and the wiping cloth can be protected from being damaged.
Referring to fig. 1 to 2, in an embodiment of the present invention, a gap adjustment assembly 11 is provided on the fixing frame 10, and the pressing wheel 61 is provided on the gap adjustment assembly 11 to adjust the distance between the pressing wheel 61 and the bracket of the traction roller 60 through the gap adjustment assembly 11, so as to change the pressing force of the pressing wheel 61 on the wiping tape.
That is to say, the gap adjusting assembly 11 can adjust the gap between the pressing wheel 61 and the pulling roll 60, for example, the pressing wheel 61 is close to the pulling roll 60 through the gap adjusting assembly 11, the gap between the pressing wheel 61 and the pulling roll 60 increases the pressure of the pressing wheel 61 on the wiping tape, and the pressing wheel 61 is far from the pulling roll 60 through the gap adjusting assembly 11, the gap between the pressing wheel 61 and the pulling roll 60 increases, and the pressure of the pressing wheel 61 on the wiping tape decreases, so that the free adjustment of the pressure of the pressing wheel 61 on the wiping tape can be realized, and the reliability of the transfer of the wiping tape can be ensured through the adjustment of the pressure of the pressing wheel 61 on the wiping tape, and in addition, the speed of the transfer can also be adjusted and controlled to a certain extent. In addition, in the installation process of the wiping belt, the gap between the pressing wheel 61 and the traction roller 60 can be adjusted to be larger, and then the wiping belt is placed into the gap, so that the wiping belt is conveniently installed between the pressing wheel 61 and the traction roller 60, and the installation is convenient.
Referring to fig. 1 to 6, in some embodiments of the present invention, the material collecting assembly 30 includes a first pivot shaft 301, a material collecting barrel, a first driving wheel 303 and a first damping adjustment assembly 304, wherein the first pivot shaft 301 is pivoted on the fixing frame 10 and can pivot around its axis, and the material collecting barrel is fixed on the first pivot shaft 301 to collect the wiping strip as the first pivot shaft 301 rotates.
The first driving wheel 303 is sleeved on the first pivot shaft 301, and the driving device is connected to the first driving wheel 303 to drive the first driving wheel 303 to rotate and drive the first pivot shaft 301 to rotate through the first driving wheel 303. A first damping assembly is disposed between the first pivot axle 301 and the first drive wheel 303 for adjusting a first damping of relative rotation between the first drive wheel 303 and the first pivot axle 301.
That is, a circumferential rotation damping (i.e., a first damping) is provided between the first driving wheel 303 and the first pivot shaft 301, and the first driving wheel 303 can drive the first pivot shaft 301 to rotate by the rotation damping between the first driving wheel 303 and the first pivot shaft 301, and then the first pivot shaft 301 drives the material receiving barrel to rotate to wind the wiping tape thereon. It should be noted that the size of the first damping affects the loading capacity of the first pivot shaft 301, when the first damping is smaller, the loading capacity of the first pivot shaft 301 is smaller, and when the first damping is larger, the staying capacity of the first pivot shaft 301 is larger. When the load applied to the first pivot shaft 301 is small, the first driving wheel 303 rotates to drive the first pivot shaft 301 to rotate synchronously with the first pivot shaft 301, so as to drive the material receiving cylinder to wind. When the load applied to the first pivot shaft 301 is too large, the first drive wheel 303 and the first pivot shaft 301 rotate relatively, that is, the first drive wheel 303 rotates, and the first pivot shaft 301 and the first drive wheel 303 cannot rotate synchronously.
In the residual glue cleaning process of the dispensing needle head, the dispensing needle head is attached to the wiping belt of the wheel surface of the wiping wheel 50, and in some cases, if the residual glue on the dispensing needle head is too much and forms a larger block-shaped structure after being cured, the residual glue is not easy to be removed, at the moment, when the wiping wheel 50 and the wiping belt are in contact friction with the residual glue, a larger acting force can be generated, and the dispensing needle head is likely to be damaged.
In this embodiment, the first damping between the first driving wheel 303 and the first pivot shaft 301 may be adjusted by the first damping adjustment assembly 304, so that the first damping reaches a predetermined value, and if the residual glue on the dispensing needle is cured and has a large volume, which causes an excessive friction between the residual glue and the wiping tape, and the first pivot shaft 301 has an excessive load, the first driving wheel 303 and the first pivot shaft 301 rotate relatively, that is, the first pivot shaft 301 does not rotate synchronously with the first driving wheel 303 any more, at this time, since the speed of the first pivot shaft 301 is less than that of the first driving wheel 303, even the first pivot shaft 301 stops rotating, so that the dispensing needle can be protected, and the dispensing needle is prevented from being damaged.
Referring to fig. 5 to 6, in one embodiment of the present invention, the first pivot shaft 301 has a first end D301, a second end D302 and a shoulder between the first end D301 and the second end D302; the material collecting barrel is mounted at the first end D301, and the first driving wheel 303 is sleeved at the second end D302 and is rotatable and axially slidable in the circumferential direction relative to the first pivot shaft 301. In the example of fig. 6, the fixing frame 10 includes a carrier plate 101, the carrier plate 101 is vertically disposed, the first pivot shaft 301 is mounted on the carrier plate 101 through a bearing and is perpendicular to the carrier plate 101, the first end D301 and the second end D302 are respectively located at two sides of the carrier plate 101, and correspondingly, the material receiving barrel and the first driving wheel 303 are respectively located at two sides of the carrier plate 101.
The first damping adjustment assembly 304 includes a first adjustment nut 3041 and a first elastic member 3042, the first adjustment nut 3041 is screwed on the second end D302 and has an adjustable axial position, and the first driving wheel 303 is located between the first adjustment nut 3041 and the shaft shoulder; the first elastic member 3042 is disposed between the first adjusting nut 3041 and the first driving wheel 303 and is under a compressed state to provide a first elastic force to force the first driving wheel 303 to abut against the shoulder.
That is, the first driving wheel 303 and the first adjusting nut 3041 are disposed at the second end D302 of the first pivot shaft 301, the first driving wheel 303 is located at a side close to the shoulder, the first adjusting nut 3041 is located at a side far from the shoulder and opposite to the first driving wheel 303, the first elastic member 3042 is located between the first adjusting nut 3041 and the first driving wheel 303, and since the first elastic member 3042 is in a compressed state, the elastic force provided by the first elastic member 3042 can push the first driving wheel 303 to cling to the shoulder, so that when the first driving wheel 303 is driven to rotate by the driving device, a friction force is generated between the first driving wheel 303 and the shoulder, and the first pivot shaft 301 can be rotated by the friction force, thereby driving the first pivot shaft 301.
In addition, when the friction force between the first driving wheel 303 and the shaft shoulder needs to be adjusted, the first adjusting nut 3041 may be rotated to enable the first adjusting nut 3041 to move to a side close to the first driving wheel 303, the first adjusting nut 3041 further compresses the first elastic member 3042, the elastic force exerted by the first elastic member 3042 on the first driving wheel 303 is increased, so the pressure between the first driving wheel 303 and the shaft shoulder is increased, the friction force during the rotation is increased, and the first adjusting nut 3041 is rotated to enable the first adjusting nut 3041 to move to a side far away from the first driving wheel 303, the first adjusting nut 3041 releases the first elastic member 3042, the elastic force exerted by the first elastic member 3042 on the first driving wheel 303 is decreased, so the pressure between the first driving wheel 303 and the shaft shoulder is decreased, the friction force during the rotation is decreased, so that the first damping pin joint between the first driving wheel 303 and the first driving shaft can be freely adjusted, and, the regulation is simple and convenient.
Referring to fig. 1 to 4, in an embodiment of the present invention, the feeding assembly 20 includes a second pivot shaft 201, a material discharge tray 202 and a second damping adjustment assembly 203, wherein the second pivot shaft 201 is pivoted on the fixing frame 10, and the material discharge tray 202 is fixed on the second pivot shaft 201 to release the wiping strip as the second pivot shaft 201 rotates.
The second damping adjusting assembly 203 is disposed between the second pivot 201 and the fixing frame 10, and is used for adjusting a second damping of the relative rotation between the second pivot 201 and the fixing frame 10.
That is, the second damping adjusting assembly 203 is disposed between the second pivot shaft 201 and the fixing frame 10 to adjust the damping of the rotation between the second pivot shaft 201 and the fixing frame 10 (i.e., the second damping). Because the material discharging tray 202 is wound with the wiping belt with the preset thickness, when the wiping belt on the material discharging tray 202 receives the pulling force of the material collecting barrel, the material discharging tray 202 can rotate to release the wiping belt, in this case, if the damping during the rotation of the material discharging tray 202 is too small, the material discharging tray 202 can easily and rapidly rotate under the action of inertia to cause the excessive release of the wiping belt, the material collecting speed of the material collecting tray 302 is kept unchanged, the problem that the wiping belt is loosened is caused, and the loosened wiping belt cannot complete the cleaning of the residual rubber of the needle head.
In this embodiment, the second damping between the second pivot shaft 201 and the fixing frame 10 is adjusted by the second damping adjusting component 203, so that the second damping between the second pivot shaft 201 and the fixing frame 10 can reach a predetermined value, and under the predetermined value, when the wiping tape on the material placing tray 202 is pulled by the material receiving tray 302, the material placing tray 202 can release the wiping tape at a relatively uniform speed, and the wiping tape is not excessively released due to an inertia effect, so that the wiping tape is kept in a tensioned state, and further, the cleaning performance of the wiping tape is ensured to be reliable and stable.
Referring to fig. 7 to 8, in an embodiment of the present invention, the second pivot shaft 201 has a third end D201 and a fourth end D202, and the material placing tray 202 is installed at the third end D201; in the example of fig. 8, the second pivot shaft 201 is mounted on the carrier plate 101 through a bearing and is perpendicular to the carrier plate 101, the third end D201 and the fourth end D202 are respectively located at two sides of the carrier plate 101, and correspondingly, the material placing tray 202 and the material receiving barrel are located at the same side of the carrier plate 101.
The second damping adjustment assembly 203 includes a second adjustment nut 2031, a fixed friction wheel 2032, a movable friction wheel 2033, and a second elastic member 2034, wherein the second adjustment nut 2031 is screwed on the second end D302 and has an adjustable axial position. The friction fixed wheel 2032 is sleeved on the outside of the second pivot shaft 201 and fixed to the fixing frame 10, and the friction movable wheel 2033 is sleeved on the outside of the second pivot shaft 201 and circumferentially fixed and axially slidable with the second pivot shaft 201. The second elastic member 2034 is disposed between the second adjusting nut 2031 and the friction wheel 2033 and is in a compressed state to provide a second elastic force to urge the friction wheel 2033 against the fixed friction wheel 2032.
That is to say, the friction fixed wheel 2032 and the fourth end D202 are located on the same side of the carrier plate 101, the friction fixed wheel 2032 is sleeved outside the second pivot axis 201 and fixed to the fixing frame 10, the second adjusting nut 2031 is screwed to the fourth end D202 and far away from the friction fixed wheel 2032, the friction moving wheel 2033 is sleeved on the fourth end D202 and located between the second adjusting nut 2031 and the friction fixed wheel 2032, and on the one hand, the friction moving wheel 2033 is circumferentially fixed to the second pivot axis 201 and can rotate synchronously with the second pivot axis 201, and on the other hand, the friction moving wheel 2033 can slide axially relative to the second pivot axis 201. The second elastic member 2034 is located between the second adjusting nut 2031 and the friction wheel 2033, and since the second elastic member 2034 is in a compressed state, the elastic force provided by the second elastic member 2034 can push the friction wheel 2033 to cling to the friction fixed wheel 2032, so that when the friction wheel 2033 rotates along with the second pivot shaft 201, a friction force is generated between the friction wheel 2033 and the friction fixed wheel 2032, the friction force is utilized to keep the first pivot shaft 301 rotating at a relatively stable speed, and the discharging tray 202 can slowly release the wiping tape.
When the friction force between the friction wheel 2033 and the fixed friction wheel 2032 needs to be adjusted, the second adjustment nut 2031 may be rotated such that the second adjustment nut 2031 moves to a side close to the friction wheel 2033, the second adjustment nut 2031 further compresses the second elastic member 2034, the elastic force applied by the second elastic member 2034 to the friction wheel 2033 increases, and thus the pressure between the friction wheel 2033 and the fixed friction wheel 2032 increases, and the friction force during rotation increases, and the second adjustment nut 2031 is rotated such that the second adjustment nut 2031 moves to a side away from the friction wheel 3, the second adjustment nut 2031 releases the second elastic member 2034, and the elastic force applied by the second elastic member 2034 to the friction wheel 2033 decreases, and thus the pressure between the friction wheel 2033 and the fixed friction wheel 2032 decreases, and thus the friction force during rotation decreases, and thus the second damping between the friction wheel 3 and the fixed friction wheel 2032 can be freely adjusted, and, the regulation is simple and convenient.
Illustratively, the fourth end D202 is provided with a sliding hole penetrating in the radial direction, the friction driving wheel 2033 is provided with a through hole, the friction driving wheel 2033 is sleeved on the fourth end D202 and then penetrates through the through hole and the sliding hole through a bolt, so that the friction driving wheel 2033 can be fixed with the second pivot shaft 201 in the circumferential direction and can also slide relative to the second pivot shaft 201 in the axial direction.
Referring to fig. 9 to 10, in an embodiment of the present invention, the gap adjustment assembly 11 includes a pivot base 111, a rotating arm 112 and a supporting screw 113, wherein the pivot base 111 is fixedly mounted on the fixing frame 10; one end of the rotating arm 112 is pivoted on the pivoting seat 111, and the pinch roller 61 is installed at the other end of the rotating arm 112; the abutting screw 113 is connected to the pivot base 111 in a threaded manner, the abutting screw 113 abuts against the rotating arm 112, and when the abutting screw 113 is adjusted to move, the abutting screw 113 pushes the pressing wheel 61 to approach or separate from the traction roller 60, so as to adjust the pressure of the pressing wheel 61 on the wiping tape.
In this embodiment, through the adjustment of the abutting screw 113, the pressing wheel 61 can be pushed to be close to or away from the traction roller 60, so as to adjust the pressure of the pressing wheel 61 on the wiping belt, and the device is simple in structure and convenient to adjust.
Referring to fig. 11 and 12, in an embodiment of the present invention, the liquid spraying tube 40 is disposed parallel to the wiping strip, and the liquid spraying tube 40 is provided with a plurality of liquid spraying holes spaced along the width direction of the wiping strip, so that the liquid spraying tube 40 can uniformly spray the cleaning liquid on the wiping strip, and each position in the width direction of the wiping strip is within the spraying range.
Illustratively, the driving device may include a motor 70 and a belt, the traction roller 60 may be provided with a second driving wheel 62, an output shaft of the motor 70 is provided with a third driving wheel 71, the first driving wheel 303, the second driving wheel 62 and the third driving wheel 71 may be belt wheels, the belt is wound around the first driving wheel 303, the second driving wheel 62 and the third driving wheel 71, and when the motor 70 is operated, the belt drives the first driving wheel 303 and the second driving wheel 62 to rotate, so as to drive the first pivot shaft 301 and the traction roller 60 to rotate.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A needle tip cull cleaning device, comprising:
a fixed mount;
the feeding assembly is arranged on the fixed frame and used for loading and rotationally releasing the wiping belt;
the material receiving assembly is arranged on the fixed frame and used for rolling the wiping belt in a rotating manner so that the wiping belt is gradually rolled onto the material receiving assembly after being released by the material supply assembly;
the liquid spraying pipe is arranged on a conveying path between the feeding assembly and the receiving assembly and is used for spraying cleaning liquid to the wiping belt;
the wiping wheel is arranged on the fixed frame and is positioned behind the liquid spraying pipe on the conveying path, and partial area of the wheel surface of the wiping wheel is covered by the wiping belt so as to wipe and remove glue on the needle head contacted with the wiping belt through covering the wiping belt;
and the driving device is connected with the material receiving assembly and used for driving the material receiving assembly to rotate.
2. The needle tip cull cleaning apparatus of claim 1, further comprising:
the traction roller is arranged on the fixed frame, is positioned between the wiping wheel and the material receiving assembly on the conveying path, and is connected to the material receiving assembly after bypassing the traction roller;
the pressing wheel is arranged adjacent to the traction roller and is used for pressing the wiping belt on the traction roller so as to drive the wiping belt to move when the traction roller rotates;
wherein, the drive arrangement is still used for driving the pull roll rotation.
3. The needle head cull cleaning device of claim 2, wherein a gap adjustment assembly is arranged on the fixing frame, and the pressing wheel is arranged on the gap adjustment assembly, so that the gap adjustment assembly can adjust the distance between the pressing wheel and the traction roller bracket to change the pressure of the pressing wheel on the wiping strip.
4. The needle tip cull cleaning device of claim 1, wherein the material collection assembly comprises:
the first pivot shaft is pivoted on the fixed frame;
the material receiving barrel is fixed on the first pivot shaft and rotates along with the first pivot shaft to receive the wiping belt;
the first driving wheel is sleeved on the first pivot shaft, and the driving device is connected with the first driving wheel and used for driving the first driving wheel to rotate and driving the first pivot shaft to rotate through the first driving wheel;
the first damping adjusting assembly is arranged between the first pivot shaft and the first driving wheel and used for adjusting first damping of relative rotation between the first driving wheel and the first pivot shaft.
5. The needle tip cull cleaning apparatus of claim 4 wherein the first pivot axis has a first end, a second end, and a shoulder between the first and second ends; the material collecting barrel is arranged at the first end, and the first driving wheel is sleeved at the second end and can rotate in the circumferential direction and axially slide relative to the first pivot shaft;
the first damping adjusting assembly comprises a first adjusting nut and a first elastic piece, the first adjusting nut is in threaded connection with the second end, the axial position of the first adjusting nut is adjustable, and the first driving wheel is located between the first adjusting nut and the shaft shoulder; the first elastic piece is arranged between the first adjusting nut and the first driving wheel and is in a compressed state so as to provide a first elastic acting force to force the first driving wheel to abut against the shaft shoulder.
6. The needle tip cull cleaning apparatus of claim 1, wherein the feed assembly comprises:
the second pivot shaft is pivoted on the fixed frame;
a discharge tray fixed on the second pivot shaft to rotate with the second pivot shaft to release the wiping tape;
and the second damping adjusting assembly is arranged between the second pivot shaft and the fixed frame and used for adjusting second damping of relative rotation between the second pivot shaft and the fixed frame.
7. The needle tip cull cleaning apparatus of claim 6 wherein the second pivot axis has a third end and a fourth end, the bleed tray being mounted at the third end;
the second damping adjusting assembly comprises a second adjusting nut, a friction fixed wheel, a friction driving wheel and a second elastic piece, the second adjusting nut is in threaded connection with the fourth end, and the axial position of the second adjusting nut is adjustable; the friction fixed wheel is sleeved outside the second pivot shaft and is fixed to the fixing frame, and the friction movable wheel is sleeved outside the second pivot shaft, is circumferentially fixed with the second pivot shaft and can axially slide; the second elastic piece is arranged between the second adjusting nut and the friction driving wheel and is in a compressed state so as to provide a second elastic acting force to force the friction driving wheel to abut against the friction fixed wheel.
8. The needle residue cleaning apparatus of claim 1, wherein the area of the tread of the wiping wheel covered by the wiping strip is greater than one-half of the circumference of the tread.
9. The needle tip cull cleaning apparatus of claim 3, wherein the gap adjustment assembly comprises:
the pivoting seat is fixedly arranged on the fixed frame;
one end of the rotating support arm is pivoted on the pivoting seat, and the pinch roller is arranged at the other end of the rotating support arm;
and the abutting screw is in threaded connection with the pivoting seat and abuts against the rotating support arm, and when the abutting screw is adjusted to move, the abutting screw pushes the pressing wheel to be close to or far away from the traction roller so as to adjust the pressure of the pressing wheel on the wiping belt.
10. The needle head residue cleaning device according to any one of claims 1 to 9, wherein the liquid ejecting tube is disposed in parallel with the wiping tape, and a plurality of liquid ejecting holes are provided in the liquid ejecting tube, and the plurality of liquid ejecting holes are spaced apart in a width direction of the wiping tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110314441.9A CN113102176B (en) | 2021-03-24 | 2021-03-24 | Needle residual glue cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110314441.9A CN113102176B (en) | 2021-03-24 | 2021-03-24 | Needle residual glue cleaning device |
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| Publication Number | Publication Date |
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| CN113102176A true CN113102176A (en) | 2021-07-13 |
| CN113102176B CN113102176B (en) | 2024-05-28 |
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| CN202110314441.9A Active CN113102176B (en) | 2021-03-24 | 2021-03-24 | Needle residual glue cleaning device |
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| CN113425221A (en) * | 2021-07-16 | 2021-09-24 | 北京飞狐鱼智能科技有限公司 | Terminal equipment cleaning machine |
| CN113649317A (en) * | 2021-07-27 | 2021-11-16 | 深圳市世宗自动化设备有限公司 | Floating glue removal head device and glue removal equipment with the same |
| CN114904870A (en) * | 2022-05-27 | 2022-08-16 | 苏州天准科技股份有限公司 | Screen surface cleaning device |
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|---|---|
| CN113102176B (en) | 2024-05-28 |
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