CN113102176B - Needle residual glue cleaning device - Google Patents
Needle residual glue cleaning device Download PDFInfo
- Publication number
- CN113102176B CN113102176B CN202110314441.9A CN202110314441A CN113102176B CN 113102176 B CN113102176 B CN 113102176B CN 202110314441 A CN202110314441 A CN 202110314441A CN 113102176 B CN113102176 B CN 113102176B
- Authority
- CN
- China
- Prior art keywords
- wheel
- wiping
- pivot shaft
- assembly
- driving wheel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 65
- 239000003292 glue Substances 0.000 title claims abstract description 53
- 239000007788 liquid Substances 0.000 claims abstract description 51
- 239000000463 material Substances 0.000 claims abstract description 36
- 238000005507 spraying Methods 0.000 claims abstract description 34
- 238000005096 rolling process Methods 0.000 claims abstract description 5
- 238000013016 damping Methods 0.000 claims description 46
- 238000003825 pressing Methods 0.000 claims description 19
- 238000007599 discharging Methods 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 239000004744 fabric Substances 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000306 component Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
Landscapes
- Cleaning In General (AREA)
Abstract
The invention discloses a needle residual glue cleaning device which comprises a fixed frame, a feeding assembly, a receiving assembly, a liquid spraying pipe, a wiping wheel and a driving device, wherein the feeding assembly is arranged on the fixed frame and used for loading and rotationally releasing a wiping belt; the material receiving assembly is arranged on the fixing frame and is 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 supplying assembly; the liquid spraying pipe is arranged on a conveying path between the feeding component and the receiving component 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 a part of area of the wheel surface of the wiping wheel is covered by the wiping belt so as to wipe and remove the rubber from the needle contacted with the wiping belt through the wiping belt; the driving device is connected with the material receiving component and is used for driving the material receiving component to rotate. According to the needle residual glue cleaning device provided by the embodiment of the invention, the needle can be quickly and fully cleaned and removed, and the cleaning effect is better.
Description
Technical Field
The invention relates to the technical field of dispensing, in particular to a needle residual glue cleaning device.
Background
Dispensing, which is a process also called gluing, pouring, dripping and the like, is to smear, fill and drop electronic glue, oil or other liquid onto a product, so that the product has the functions of pasting, filling, insulating, fixing, smoothing the surface and the like.
The dispensing valve is a core component in the dispensing device and can apply glue to the surface of the workpiece to be dispensed according to a predetermined amount of requirements. After the dispensing process is finished or the dispensing is interrupted for a certain time, the dispensing needle head is easy to generate residual glue, and the residual glue on the dispensing needle head 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 aims to solve at least one of the technical problems in the related art to some extent. Therefore, the invention aims to provide a needle residual adhesive 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 fixing frame;
The feeding assembly is arranged on the fixing frame and used for loading and rotationally releasing the wiping belt;
The material collecting assembly is arranged on the fixing frame and is used for rolling the wiping belt in a rotating mode so that the wiping belt is gradually rolled onto the material collecting assembly after being released by the material supplying 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;
A wiping wheel which is arranged on the fixed frame and is positioned behind the liquid spraying pipe on the conveying path, wherein a partial area of a wheel surface of the wiping wheel is covered by the wiping belt so as to wipe and remove glue from a needle contacted with the wiping belt through 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 residual glue cleaning device provided by the embodiment of the invention, the collecting assembly is utilized to drive the wiping belt to rotate, the cleaning liquid is sprayed onto the wiping belt through the liquid spraying pipe, the partial area of the wheel surface of the wiping wheel is covered by the wiping belt, when the needle is required to be cleaned, the needle is pressed close to the wheel surface of the wiping wheel, the wiping belt on the wheel surface can wipe the needle to remove residual glue on the needle, and the cleaning liquid is sprayed onto the wiping belt, so that the colloid can be wetted and dissolved, the cleaning can be faster and more fully realized, and the cleaning effect is better.
In addition, the cleaning device for residual needle glue according to the above embodiment of the present invention may further have the following additional technical features:
According to one embodiment of the present invention, further comprising:
the traction roller is arranged on the fixed frame and positioned between the wiping wheel and the material receiving assembly on the conveying path, and the wiping belt is connected to the material receiving assembly after bypassing the traction roller;
the pressing wheel is arranged adjacent to the traction roller and 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, drive arrangement still is used for driving the traction roller is rotatory.
According to one embodiment of the invention, the fixing frame is provided with a gap adjusting assembly, the pressing wheel is arranged on the gap adjusting assembly, and the gap between the pressing wheel and the traction roller bracket is adjusted through the gap adjusting assembly, so that 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 fixing frame;
A take-up drum fixed on the first pivot shaft to wind up the wiping strip as the first pivot shaft rotates;
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 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 end and the second end; the material receiving cylinder is arranged at the first end, the first driving wheel is sleeved at the second end and can axially slide relative to the first pivot in a circumferential rotatable manner;
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 and is adjustable in axial position, 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 prop against the shaft shoulder.
According to one embodiment of the invention, the feed assembly comprises:
the second pivot shaft is pivoted on the fixing frame;
a discharge tray fixed on the second pivot shaft to release the wiping strip as the second pivot shaft rotates;
the second damping adjusting assembly is arranged between the second pivot shaft and the fixing frame and is used for adjusting second damping of relative rotation between the second pivot shaft and the fixing 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, wherein 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 fixed to the fixed frame, and the friction fixed wheel is sleeved outside the second pivot shaft, circumferentially fixed with the second pivot shaft and axially slidable; 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 prop 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 belt is greater than one half of the circumference of the tread.
According to one embodiment of the invention, the gap adjustment assembly comprises:
the pivot seat is fixedly arranged on the fixing frame;
One end of the rotating support arm is pivoted on the pivot seat, and the pressing wheel is arranged at the other end of the rotating support arm;
The supporting screw is in threaded connection with the pivot seat and is propped against the rotating support arm, and when the supporting screw is adjusted to move, the supporting 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 one embodiment of the invention, the liquid spraying pipe is arranged in parallel with the wiping belt, and a plurality of liquid spraying holes are formed in the liquid spraying pipe and are arranged at intervals along the width direction of the wiping belt.
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 that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a needle residual glue cleaning device according to an embodiment of the invention;
FIG. 2 is a front view of a needle residual glue cleaning device according to an embodiment of the invention;
FIG. 3 is a schematic view of a needle residual glue cleaning device according to another embodiment of the invention;
FIG. 4 is a rear view of a needle residual glue cleaning device according to an embodiment of the invention;
FIG. 5 is a schematic diagram illustrating the cooperation of a first damping adjustment assembly, a first driving wheel and a first pivot shaft in the cleaning device for residual needle glue according to the embodiment of the present invention;
FIG. 6 is a cross-sectional view of the first damping adjustment assembly, first drive wheel, first pivot shaft and mount assembly of the needle residual glue cleaning device according to the embodiment of the invention;
FIG. 7 is a schematic diagram 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 invention;
FIG. 8 is a cross-sectional view of the second damping adjustment assembly, second pivot shaft and mount assembly of the needle residual glue cleaning device according to the embodiment of the invention;
FIG. 9 is a schematic diagram of the structure of the cooperation between the gap adjusting assembly and the pinch roller and the traction roller in the needle residual glue cleaning device according to the embodiment of the invention;
FIG. 10 is a front view of the fit between the gap adjustment assembly and the pinch roller and pull roller of the needle residual adhesive cleaning device of the embodiment of the present invention;
FIG. 11 is a schematic view showing a structure of a liquid spraying pipe in a needle residual glue cleaning device according to an embodiment of the invention;
FIG. 12 is a cross-sectional view of a liquid jet tube in a needle residual glue cleaning device according to an embodiment of the invention.
Reference numerals:
10. a fixing frame;
101. A carrier plate;
11. A gap adjustment assembly;
111. a pivot seat;
112. rotating the support arm;
113. a supporting screw;
20. a feed assembly;
201. A second pivot shaft;
202. A discharging disc;
203. A second damping adjustment assembly;
2031. A second adjustment nut;
2032. friction fixed wheels;
2033. a friction wheel;
2034. A second elastic member;
D201, third end;
D202, 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 adjustment nut;
3042. a first elastic member;
d301, first end;
d302, the 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. and a third driving wheel.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below are exemplary and intended to illustrate the present invention and should not be construed as limiting the invention, and all other embodiments, based on the embodiments of the present invention, which may be obtained by persons of ordinary skill in the art without inventive effort, are within the scope of the present invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The following describes in detail a needle residual glue cleaning device according to an embodiment of the present invention with reference to the accompanying drawings.
Referring to fig. 1 to 12, a 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 mounting the feeding assembly 20, the receiving assembly 30, the liquid spraying pipe 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 device, for example, disposed on one side of the dispensing device, so that a needle of the dispensing device can move to the needle residual glue cleaning device, and the needle is cleaned by the needle residual glue cleaning device.
A feed assembly 20 is provided on the holder 10 for loading and rotatably releasing the wiping strip. The material receiving assembly 30 is disposed on the fixing frame 10, and is configured to rotationally wind up the wiping strip, so that the wiping strip is gradually wound up onto the material receiving assembly 30 after being released from the material supplying assembly 20. The driving device is connected with the material receiving assembly 30 and is used for driving the material receiving assembly 30 to rotate. That is, one end of the wiping strip is connected to the feeding assembly 20 and winds a wiping strip of a predetermined length through the feeding assembly 20, and the other end of the wiping strip is connected to the receiving assembly 30, when the driving device drives the receiving assembly 30 to rotate, the wiping strip can be driven to move from the feeding assembly 20 to the receiving assembly 30, and the feeding assembly 20 gradually releases the wiping strip, so that the wiping strip is gradually wound onto the receiving assembly 30.
The wiping belt is driven between the feeding unit 20 and the receiving unit 30, and the path along which the wiping belt moves is a conveying path, on which at least one tensioning wheel may be provided, by which the wiping belt is relatively tensioned. In addition, the wiping belt may employ a cloth-supported belt body, such as a cotton tape or the like.
The liquid spraying pipe 40 is disposed on the conveying path between the feeding assembly 20 and the receiving assembly 30, and is used for spraying the cleaning liquid to the wiping strip, that is, spraying the cleaning liquid to the wiping strip through the liquid spraying pipe 40, so that a certain amount of cleaning liquid can be absorbed and stored on the wiping strip, the cleaning liquid can be, but is not limited to, alcohol and other liquids, and the cleaning liquid is used for wetting and dissolving the residual glue on the dispensing needle, so that the residual glue on the dispensing needle is easily and thoroughly removed.
A wiping wheel 50 is provided on the holder 10, pivotable about its own axis, and located behind the liquid jet tube 40 on the transport path, a partial area of the tread of the wiping wheel 50 being covered by the wiping strip for wiping the needle in contact therewith by the wiping strip.
That is, the wiping wheel 50 is located on the transfer path, the wiping belt bypasses the wiping wheel 50 and is in contact with the road surface of the wiping wheel 50, and the wiping wheel 50 is located at the rear of the spray pipe 40, and after the spray 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 as the collecting assembly 30 rotates, the wiping belt absorbed with the cleaning liquid passes through the wiping wheel 50 and is then wound up to the collecting assembly 30.
In a specific application, the needle residual glue cleaning device can be configured near the dispensing device, when the dispensing needle is required to be cleaned, the dispensing needle can be driven by the dispensing device to move to one side of the wiping wheel 50 in the needle residual glue cleaning device, the dispensing needle is ensured to be close to the road surface of the wiping wheel 50, and at the moment, the wiping belt on the wheel surface of the wiping wheel 50 can be in contact with the dispensing needle. Then, the material receiving assembly 30 is driven to rotate by the driving device, the wiping belt can be gradually released from the material feeding assembly 20 and moves towards the material receiving assembly 30 along the conveying direction, in the process, the liquid spraying pipe 40 sprays cleaning liquid onto the wiping belt, the wiping belt absorbing cleaning liquid passes through the wiping wheel 50 along with the rotation of the material receiving assembly 30, at the moment, the wiping belt rubs against the dispensing needle, on one hand, the cleaning liquid on the wiping belt plays a role in wetting and dissolving the residual glue on the dispensing needle, on the other hand, the wiping belt and the friction force between the dispensing needle enable the residual glue on the dispensing needle to fall off from the dispensing needle, and then the rapid and thorough residual glue removal is achieved.
Preferably, the area of the tread of the wiping wheel 50 covered by the wiping strip is greater than one half of the circumference of the tread, so that the contact between the dispensing needle and the wiping strip is facilitated, and the effective wiping area of the wiping wheel 50 is larger, and the wiping effect is better.
According to the needle residual glue cleaning device provided by the embodiment of the invention, the collecting assembly 30 is utilized to drive the wiping belt to rotate, the cleaning liquid is sprayed onto the wiping belt through the liquid spraying pipe 40, a part of the 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 pressed 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 onto the wiping belt, so that the colloid can be wetted and dissolved, the cleaning can be faster and more fully realized, and the cleaning effect is better.
Referring to fig. 1 to 2, in some embodiments of the present invention, the device further includes a traction roller 60 and a pinch roller 61, wherein the traction roller 60 is disposed on the fixing frame 10 and located between the wiping wheel 50 and the collecting assembly 30 on the conveying path, and the wiping belt is connected to the collecting assembly 30 after bypassing the traction roller 60.
A pinch roller 61 is provided adjacent to the pull roller 60 for pinching the wiping strip against the pull roller 60 to drive the wiping strip in motion as the pull roller 60 rotates. The driving device is also used for driving the traction roller 60 to rotate.
That is, the traction roller 60 and the pinch roller 61 are disposed on the conveying path, the pinch roller 61 is parallel to the axis of the traction roller 60, a gap is defined between the wheel surface of the pinch roller 61 and the circumferential surface of the traction roller 60, the wiping passes through the gap, the gap is smaller than the thickness of the wiping belt, the pressure is applied to the wiping belt by the pinch roller 61, the wiping belt is ensured to be pressed on the circumferential surface of the traction roller, and when the driving device drives the collecting assembly 30 and the traction roller 60 to rotate, on one hand, the collecting assembly 30 winds the wiping belt, on the other hand, the rolling between the traction roller 60 and the wiping cloth can drive the wiping cloth to move towards the collecting assembly 30, in other words, the wiping cloth can be promoted to move towards the collecting assembly 30 by the traction force by the traction roller 60, and the reliability and stability of the wiping cloth moving in the conveying direction are further improved.
It will be appreciated that at least one of the peripheral surface of the pulling roll 60 and the tread of the pinch roller 61 is provided with a soft adhesive layer, by which the friction force can be increased, ensuring a better pulling and conveying effect, and possibly protecting the wiping cloth from damage.
Referring to fig. 1 to 2, in one embodiment of the present invention, a gap adjusting assembly 11 is provided on a fixing frame 10, and a pinch roller 61 is provided on the gap adjusting assembly 11 to change the pressure of the pinch roller 61 against the wiping strip by adjusting the gap between the pinch roller 61 and a bracket of the traction roller 60 by the gap adjusting assembly 11.
That is, the gap adjusting unit 11 can adjust the gap between the pinch roller 61 and the traction roller 60, for example, by making the pinch roller 61 approach the traction roller 60 through the gap adjusting unit 11, the gap between the pinch roller 61 and the traction roller 60 increases the pressure of the pinch roller 61 to the wiping belt, and making the pinch roller 61 away from the traction roller 60 through the gap adjusting unit 11, the gap between the pinch roller 61 and the traction roller 60 increases, the pressure of the pinch roller 61 to the wiping belt decreases, so that free adjustment of the pressure of the pinch roller 61 to the wiping belt can be achieved, and by adjusting the pressure of the wiping belt by the pinch roller 61, the reliability of the conveying of the wiping belt can be ensured, and in addition, the conveying speed can also be adjusted and controlled to some extent. In addition, in the installation process of the wiping strip, after the gap between the pinch roller 61 and the traction roller 60 is adjusted to be larger, the wiping strip is put into the gap, so that the wiping strip is conveniently installed between the pinch roller 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 collecting assembly 30 includes a first pivot shaft 301, a collecting cylinder, 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 own axis, and the collecting cylinder is fixed on the first pivot shaft 301 to wind up 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 with the first driving wheel 303 and is used for driving the first driving wheel 303 to rotate, and the first pivot shaft 301 is driven to rotate by the first driving wheel 303. A first damping assembly is provided between the first pivot shaft 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 shaft 301.
That is, there is a circumferential rotation damping (i.e., a first damping) 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 using the rotation damping between the first driving wheel 303 and the first pivot shaft 301, and then the first pivot shaft 301 drives the take-up cylinder to rotate to take up the wiping strip thereon. It should be noted that the magnitude of the first damping affects the carrying capacity of the first pivot shaft 301, when the first damping is smaller, the carrying capacity of the first pivot shaft 301 is smaller, and when the first damping is larger, the standby capacity of the first pivot shaft 301 is larger. When the load applied to the first pivot shaft 301 is smaller, the first driving wheel 303 rotates to drive the first pivot shaft 301 to rotate synchronously with the load, so as to drive the receiving cylinder to wind. When the load applied to the first pivot shaft 301 is excessive, the first driving wheel 303 and the first pivot shaft 301 rotate relatively, that is, the first driving wheel 303 rotates, and the first pivot shaft 301 and the first driving wheel 303 cannot rotate synchronously.
In the process of cleaning the residual glue of the dispensing needle, the dispensing needle is attached to the wiping belt of the wheel face of the wiping wheel 50, and in some cases, if the residual glue on the dispensing needle is too much and is solidified to form a large block-shaped structure and the like, the residual glue is not easy to be removed, and at this time, when the wiping wheel 50 and the wiping belt are rubbed with the residual glue, a large acting force is generated, which is very likely to cause damage to the dispensing needle.
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 adjusting component 304, so that the first damping reaches a predetermined value, under the predetermined value, if the residual glue on the dispensing needle is solidified and the volume is large, so that the friction force between the residual glue and the wiping belt is too large, and the first pivot shaft 301 is loaded too much, 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 purpose of protecting the dispensing needle can be achieved, and the dispensing needle is prevented from being damaged.
Referring to fig. 5 to 6, in one embodiment of the present invention, a 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 receiving cylinder 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 relative to the first pivot shaft 301 in a circumferential direction. In the example of fig. 6, the fixing frame 10 includes a carrier 101, the carrier 101 is vertically disposed, the first pivot shaft 301 is mounted on the carrier 101 through a bearing and is perpendicular to the carrier 101, the first end D301 and the second end D302 are respectively located at two sides of the carrier 101, and the receiving cylinder and the first driving wheel 303 are respectively located at two sides of the carrier 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 in threaded connection with the second end D302, and the axial position of the first adjustment nut 3041 is adjustable, 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 in a compressed state, so as to provide a first elastic force to force the first driving wheel 303 to abut against the shaft 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 shaft shoulder, the first adjusting nut 3041 is located at a side far away from the shaft 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 make the first driving wheel 303 to be pushed to be closely attached to the shaft 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 shaft shoulder, by which the first pivot shaft 301 can be rotated, thereby realizing the driving of 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, so that the first adjusting nut 3041 moves towards the 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 increases, the pressure between the first driving wheel 303 and the shaft shoulder increases, the friction force during rotation increases, the first adjusting nut 3041 rotates, so that the first adjusting nut 3041 moves towards the side far from the first driving wheel 303, the first elastic member 3041 releases the first elastic member 3042, the elastic force exerted by the first elastic member 3042 on the first driving wheel 303 decreases, the pressure between the first driving wheel 303 and the shaft shoulder decreases, the friction force during rotation decreases, the first damping between the first driving wheel 303 and the first pivot shaft can be freely adjusted, and adjustment is simple and convenient.
Referring to fig. 1 to 4, in one embodiment of the present invention, the feeding assembly 20 includes a second pivot shaft 201, a tray 202 and a second damping adjustment assembly 203, wherein the second pivot shaft 201 is pivoted on the fixing frame 10, and the tray 202 is fixed on the second pivot shaft 201 to release the wiping strip as the second pivot shaft 201 rotates.
A second damping adjustment assembly 203 is disposed between the second pivot shaft 201 and the mount 10 for adjusting a second damping of relative rotation between the second pivot shaft 201 and the mount 10.
That is, the second damping adjustment assembly 203 is provided between the second pivot shaft 201 and the mount 10 to adjust damping of rotation (i.e., second damping) between the second pivot shaft 201 and the mount 10. Because the discharging disc 202 is wound with the wiping strip with a predetermined thickness, when the wiping strip on the discharging disc 202 is pulled by the collecting cylinder, the discharging disc 202 can rotate to release the wiping strip, in this case, if the damping of the discharging disc 202 during rotation is too small, the discharging disc 202 is easy to rotate rapidly under the action of inertia to cause excessive release of the wiping strip, and the collecting speed of the collecting disc 302 is kept unchanged, so that the problems of loosening of the wiping strip and the like are caused, and the loose wiping strip cannot finish cleaning of the needle residual glue.
In this embodiment, by adjusting the damping between the second pivot shaft 201 and the fixing frame 10 by the second damping adjustment component 203, the second damping between the second pivot shaft 201 and the fixing frame 10 can reach a predetermined value, under which it can be ensured that when the wiping strip on the discharging tray 202 is pulled by the collecting tray 302, the discharging tray 202 can release the wiping strip at a relatively uniform speed, without excessively releasing the wiping strip due to inertia, and the wiping strip is kept in a tensioned state, so that the cleaning performance thereof is ensured to be reliable and stable.
Referring to fig. 7 to 8, in one embodiment of the present invention, the second pivot shaft 201 has a third end D201 and a fourth end D202, and the tray 202 is mounted on 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 discharging tray 202 and the receiving cylinder are located at the same side of the carrier plate 101.
The second damping adjustment assembly 203 comprises a second adjustment nut 2031, a friction fixed wheel 2032, a friction movable wheel 2033 and a second elastic piece 2034, wherein the second adjustment nut 2031 is in threaded connection with the second end D302 and has an adjustable axial position. The friction fixed wheel 2032 is sleeved outside the second pivot shaft 201 and fixed to the fixing frame 10, and the friction movable wheel 2033 is sleeved outside the second pivot shaft 201 and fixed circumferentially and slidable axially 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 force the friction wheel 2033 to abut against the friction fixed wheel 2032.
That is, the friction fixed wheel 2032 is located on the same side of the carrier plate 101 as the fourth end D202, and the friction fixed wheel 2032 is sleeved outside the second pivot shaft 201 and fixed to the fixed frame 10, while the second adjusting nut 2031 is screwed to the fourth end D202 and is far away from the friction fixed wheel 2032, and the friction movable wheel 2033 is sleeved between the second adjusting nut 2031 and the friction fixed wheel 2032 at the fourth end D202, and on the one hand, the friction movable wheel 2033 is fixed to the second pivot shaft 201 in the circumferential direction and can rotate synchronously with the second pivot shaft 201, and on the other hand, the friction movable wheel 2033 can slide relative to the second pivot shaft 201 in the axial direction. 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 cause the friction wheel 2033 to be pushed against 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, and the first pivot shaft 301 keeps relatively stable speed to rotate by using the friction force, so that the discharging tray 202 can slowly release the wiping belt.
When the friction force between the friction wheel 2033 and the friction fixed wheel 2032 needs to be adjusted, the second adjusting nut 2031 can be rotated, so that the second adjusting nut 2031 moves towards one side close to the friction wheel 2033, the second adjusting nut 2031 further compresses the second elastic piece 2034, the elastic acting force exerted by the second elastic piece 2034 on the friction wheel 2033 is increased, the pressure between the friction wheel 2033 and the friction fixed wheel 2032 is increased, the friction force during rotation can be increased, the second adjusting nut 2031 is rotated, so that the second adjusting nut 2031 moves towards one side far away from the friction wheel 2033, the second elastic piece 2034 is released, the elastic acting force exerted by the second elastic piece 2034 on the friction wheel 2033 is reduced, the pressure between the friction wheel 2033 and the friction fixed wheel 2032 is reduced, the second damping between the friction wheel 2033 and the friction fixed wheel 2032 can be freely adjusted, and adjustment is simple and convenient.
Illustratively, the fourth end D202 is provided with a sliding hole penetrating radially, the friction wheel 2033 is provided with a penetrating hole, the friction wheel 2033 is sleeved on the fourth end D202, and the friction wheel 2033 passes through the penetrating hole and the sliding hole through a bolt, so that the friction 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 one embodiment of the present invention, the gap adjusting 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 a rotating support arm 112 is pivoted on the pivot seat 111, and the pressing wheel 61 is installed at the other end of the rotating support arm 112; the supporting screw 113 is in threaded connection with the pivot base 111, and the supporting screw 113 abuts against the rotating support arm 112, when the supporting screw 113 is adjusted to move, the supporting screw 113 pushes the pinch roller 61 to approach or depart from the traction roller 60, so as to adjust the pressure of the pinch roller 61 on the wiping belt.
In this embodiment, the pressing wheel 61 can be pushed to approach or separate from the traction roller 60 by adjusting the supporting screw 113, so as to adjust the pressure of the pressing wheel 61 on the wiping belt, and the device has a simple structure and is convenient to adjust.
Referring to fig. 11 and 12, in an embodiment of the present invention, the liquid spraying pipe 40 is disposed parallel to the wiping strip, and a plurality of liquid spraying holes are formed in the liquid spraying pipe 40, and the plurality of liquid spraying holes are disposed at intervals along the width direction of the wiping strip, so that the liquid spraying pipe 40 can spray the cleaning liquid uniformly 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 driving belt, the traction roller 60 may be provided with a second driving wheel 62, a third driving wheel 71 is disposed on an output shaft of the motor 70, the first driving wheel 303, the second driving wheel 62 and the third driving wheel 71 may be belt wheels, the driving belt is wound on the first driving wheel 303, the second driving wheel 62 and the third driving wheel 71, and when the motor 70 works, the driving 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 of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means 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 present invention. In this specification, schematic representations of the above terms are not necessarily directed 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, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (5)
1. A needle residual glue cleaning device, comprising:
A fixing frame;
The feeding assembly is arranged on the fixing frame and used for loading and rotationally releasing the wiping belt;
The material collecting assembly is arranged on the fixing frame and is used for rolling the wiping belt in a rotating mode so that the wiping belt is gradually rolled onto the material collecting assembly after being released by the material supplying 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;
A wiping wheel which is arranged on the fixed frame and is positioned behind the liquid spraying pipe on the conveying path, wherein a partial area of a wheel surface of the wiping wheel is covered by the wiping belt so as to wipe and remove glue from a needle contacted with the wiping belt through the wiping belt;
the driving device is connected with the material receiving assembly and used for driving the material receiving assembly to rotate;
The needle residual glue cleaning device further comprises a traction roller and a compression wheel, wherein the traction roller is arranged on the fixing frame and positioned between the wiping wheel and the material collecting assembly on the conveying path, and the wiping belt is connected to the material collecting assembly after bypassing the traction roller; the pressing wheel is arranged adjacent to the traction roller and 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 driving device is also used for driving the traction roller to rotate;
the fixing frame is provided with a gap adjusting assembly, and the pressing wheel is arranged on the gap adjusting assembly so as to adjust the interval between the pressing wheel and the traction roller bracket through the gap adjusting assembly, thereby changing the pressure of the pressing wheel on the wiping belt;
The material collecting assembly comprises a first pivot shaft, a material collecting barrel, a first driving wheel and a first damping adjusting assembly, and the first pivot shaft is pivoted on the fixing frame; the receiving cylinder is fixed on the first pivot shaft so as to rotate along with the first pivot shaft to roll 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 component 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;
The feeding assembly comprises a second pivot shaft, a discharging disc and a second damping adjusting assembly, and the second pivot shaft is pivoted on the fixing frame; the discharging disc is fixed on the second pivot shaft so as to release the wiping strip along with the rotation of the second pivot shaft; the second damping adjusting component is arranged between the second pivot shaft and the fixed frame and is used for adjusting second damping of relative rotation between the second pivot shaft and the fixed frame;
The gap adjusting assembly comprises a pivot seat, a rotary support arm and a supporting screw rod, and the pivot seat is fixedly arranged on the fixing frame; one end of the rotating support arm is pivoted on the pivot seat, and the pressing wheel is arranged at the other end of the rotating support arm; the supporting screw is in threaded connection with the pivot seat, and the supporting screw abuts against the rotating support arm, when the supporting screw is adjusted to move, the supporting screw pushes the pressing wheel to be close to or far away from the traction roller, so that the pressure of the pressing wheel on the wiping belt is adjusted.
2. The needle residual glue cleaning device of claim 1 wherein the first pivot shaft has a first end, a second end and a shoulder between the first end and the second end; the material receiving cylinder is arranged at the first end, the first driving wheel is sleeved at the second end and can axially slide relative to the first pivot in a circumferential rotatable manner;
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 and is adjustable in axial position, 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 prop against the shaft shoulder.
3. The needle residual glue cleaning device according to claim 1, wherein the second pivot shaft is provided with a third end and a fourth end, and the discharging disc is arranged 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, wherein 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 fixed to the fixed frame, and the friction fixed wheel is sleeved outside the second pivot shaft, circumferentially fixed with the second pivot shaft and axially slidable; 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 prop against the friction fixed wheel.
4. The needle residual glue cleaning device according to claim 1, wherein the area of the tread of the wiping wheel covered by the wiping belt is greater than one half of the circumference of the tread.
5. The needle residual glue cleaning device according to any one of claims 1 to 4, wherein the liquid spraying pipe is arranged in parallel with the wiping strip, a plurality of liquid spraying holes are formed in the liquid spraying pipe, and a plurality of liquid spraying holes are arranged at intervals along the width direction of the wiping strip.
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 |
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| 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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| CN113102176A CN113102176A (en) | 2021-07-13 |
| CN113102176B true 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113425221B (en) * | 2021-07-16 | 2022-11-25 | 北京飞狐鱼智能科技有限公司 | Terminal equipment cleaning machine |
| CN114904870B (en) * | 2022-05-27 | 2023-04-21 | 苏州天准科技股份有限公司 | Screen surface cleaning device |
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| FR1258464A (en) * | 1960-03-28 | 1961-04-14 | Method and apparatus for applying liquid substances, such as glues, to webs of any material | |
| CN107369608A (en) * | 2016-05-11 | 2017-11-21 | 万润科技股份有限公司 | Wiping mechanism and wafer residual glue cleaning device using same |
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| CN113102176A (en) | 2021-07-13 |
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