CN110976207A

CN110976207A - Glue coating motion platform capable of horizontally rotating and coating method thereof

Info

Publication number: CN110976207A
Application number: CN201911238586.4A
Authority: CN
Inventors: 张亮亮
Original assignee: Luoyang Longsheng Technology Co Ltd
Current assignee: Luoyang Longsheng Technology Co Ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-04-10

Abstract

The invention discloses a glue coating motion platform capable of horizontally rotating, which comprises a machine table and a case arranged on the machine table, wherein a stepping motor is vertically arranged on the machine table, and a horizontal object placing table is arranged on an output shaft at the upper end of the stepping motor; the rear part of the horizontal object placing table is provided with a cantilever, a lifting mechanism driving the cantilever to move up and down and a linear motor driving the lifting mechanism to horizontally move back and forth. Has the advantages that: the glue coating motion platform not only can drive the glue dispensing needle head to move up and down and back and forth, but also can drive a product to be coated to horizontally rotate, so that glue dispensing operation of wiring in various shapes such as rectangle, taper circle, arc runway, eight-edge taper circle and the like is completed on the product.

Description

Glue coating motion platform capable of horizontally rotating and coating method thereof

Technical Field

The invention relates to the field of glue coating, in particular to a horizontally-rotating glue coating motion platform and a coating method thereof.

Background

Along with the increasing demand of the fields of computers, communication, military, aerospace, civil markets and the like on electronic products, electronic technology is developed rapidly, the continuous development of three-proofing, heat dissipation and miniaturization directions of the electronic products is promoted, the electronic products have higher requirements on application of various glues to the electronic products, glue coating methods also have more and more definite requirements, and the requirements on miniaturization, simplicity, usability, rich functions and the like of gluing equipment are more and more increased. The use requirements of users in factories and the like are difficult to meet by continuously using the traditional triaxial glue coating motion platform. There is a need for an improvement over existing three-axis glue-coated motion platforms.

Disclosure of Invention

The invention aims to solve the problems, and provides a horizontally-rotating glue coating motion platform and a coating method thereof, so as to solve the problems that the existing triaxial glue coating motion platform is not rich and comprehensive in function and is difficult to meet the use requirements of users such as factories on gluing equipment. The glue coating motion platform provided by the invention can drive the glue dispensing needle head to move up and down and back and forth, and can also drive a product to horizontally rotate, so that glue dispensing operation of wiring in various shapes such as rectangle, taper circle, arc runway, eight-edge taper circle and the like can be completed on the product.

In order to achieve the purpose, the invention provides the following technical scheme:

the invention provides a horizontally-rotating glue coating motion platform which comprises a machine table and a case arranged on the machine table, wherein a stepping motor is vertically arranged on the machine table, and a horizontal object placing table is arranged on an output shaft at the upper end of the stepping motor; a cantilever, a lifting mechanism driving the cantilever to move up and down and a linear motor driving the lifting mechanism to horizontally move back and forth are arranged behind the horizontal object placing table, the linear motor is fixedly installed on the table, the upper end of the cantilever is rotatably connected with an installation plate for installing a glue needle head, a mixer is arranged on the glue needle head, two glue supply pipelines are connected onto the mixer, and a charging barrel and a metering pump are arranged on each glue supply pipeline; and a centralized control PLC is installed in the case.

As an important design of the scheme, the metering pump is fixedly installed on the machine table, and the charging barrel is fixedly installed on the metering pump.

As the optimization design of the scheme, the metering pump comprises a two-component gear pump and a two-fluid gear pump.

As the optimized design of the scheme, the lifting mechanism comprises a lower base plate, an upper mounting plate, a sliding block, sliding columns, a screw rod, a hand wheel and a screw rod, wherein the lower base plate is fixedly mounted on a rotor of the linear motor, the upper mounting plate is fixedly mounted right above the lower base plate through a plurality of sliding columns, the screw rod is screwed between the upper mounting plate and the lower base plate, the sliding block is screwed on the screw rod, the sliding block is sleeved on the plurality of sliding columns in a sliding manner, a device for driving the screw rod to rotate is mounted at the upper end of the screw rod, the screw rod is horizontally mounted on the side surface of the sliding block, and the.

As the optimized design of the scheme, the device for driving the screw rod to rotate comprises a motor and a hand wheel.

A glue coating method using the glue coating motion platform of any one of claims 1-5 to perform the following steps:

the method comprises the following steps: mounting and fixing a workpiece to be glued on a horizontal object placing table, then mounting a matched dispensing needle head and adjusting the position angle of the dispensing needle head;

step two, adding glue and a curing agent into the two charging barrels respectively, and inputting glue output parameters on a metering pump;

step three: and opening the centralized control PLC to set dispensing parameters, and controlling the linear motor and the stepping motor to act according to the set dispensing parameters by the centralized control PLC to complete corresponding dispensing and routing operation.

As the optimization design of the scheme, the setting of the dispensing parameters in the three steps is carried out in three steps, the parameters of 'workpiece length', 'workpiece width', 'operating speed', 'delay time', 'origin correction', 'stacking angle' and 'glue closing advance' are firstly input in the first step, the parameters of 'feeding compensation' are input in the second step, and the parameters are modified in the third step.

Has the advantages that: the glue coating motion platform not only can drive the glue dispensing needle head to move up and down and back and forth, but also can drive a product to be coated to horizontally rotate, so that glue dispensing operation of wiring in various shapes such as rectangle, taper circle, arc runway, eight-edge taper circle and the like is completed on the product.

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 drawings without creative efforts.

FIG. 1 is a schematic structural view of a glue coating motion platform according to the present invention;

fig. 2 is a schematic structural view of the lifting mechanism of the present invention.

The reference numerals are explained below:

1. a machine platform; 2. a stepping motor; 3. a horizontal object placing table; 4. a linear motor; 5. a lifting mechanism; 6. dispensing a needle head; 7. a chassis; 8. a cantilever; 9. centralized control of PLC; 10. a metering pump; 11. a charging barrel; 12. a mixer; 13. mounting a plate; 14. a glue supply pipeline;

50. a lower base plate; 51. an upper mounting plate; 52. a traveler; 53. a slider; 54. a screw; 55. a hand wheel; 56. and a lead screw.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

Referring to fig. 1, the horizontally rotating motion platform for glue application provided by the invention comprises a machine table 1 and a machine box 7 arranged on the machine table 1, wherein a stepping motor 2 is vertically arranged on the machine table 1, a horizontal object placing table 3 is arranged on an output shaft at the upper end of the stepping motor 2, when in use, a product to be glued is placed on the horizontal object placing table 3, then the stepping motor 2 is started to drive the horizontal object placing table 3 to rotate, and then the product is driven to rotate, at the moment, if a glue dispensing needle 6 is not moved, circular glue dispensing and routing can be completed on the product, if the glue dispensing needle 6 also moves horizontally, oval glue dispensing and routing can be completed on the product, the two arc glue dispensing and routing modes are not available on the traditional three-axis motion platform for glue application, so that the glue dispensing modes of the product are greatly enriched, the use requirements of users such as factories on gluing equipment are met, the practicability is good.

A cantilever 8 is arranged behind the horizontal object placing table 3, a lifting mechanism 5 driving the cantilever 8 to move up and down and a linear motor 4 driving the lifting mechanism 5 to move horizontally back and forth, the cantilever 8 moves up and down to drive the dispensing needle 6 to move up and down, the lifting mechanism 5 moves horizontally back and forth to drive the cantilever 8 and the dispensing needle 6 on the cantilever 8 to move back and forth, so that the dispensing needle 6 has the functions of moving up and down and back and forth, then the linear motor 4 is fixedly arranged on the machine table 1 to carry out wiring dispensing operation on a product workpiece in various shapes such as rectangle, vertebra, arc runway, eight sides vertebra, and the like by matching with the horizontal object placing table 3 which rotates horizontally, a mounting plate 13 used for mounting the dispensing needle 6 is rotatably connected to the upper end of the cantilever 8, particularly, the mounting plate 13 can rotate on a vertical plane around the cantilever 8 to adjust, the glue dispensing needle 6 is provided with a mixer 12, the mixer 12 is used for mixing glue and a curing agent to realize the functions of automatic mixing and quantitative glue discharging of the glue and the curing agent, the mixer 12 is connected with two glue supply pipelines 14, and each glue supply pipeline 14 is provided with a charging barrel 11 and a metering pump 10; the two material cylinders 11 are respectively used for containing glue and a curing agent, the metering pump 10 is used for accurately weighing the use amount of the glue and the curing agent, and the glue and the curing agent are reasonably proportioned within 1: 1-1: 5, the design method does not need manual weighing, stirring and distribution, and an original manual glue filling mode of a glue squeezing bottle or an injection needle cylinder is not needed, so that various problems of incomplete waste of the glue due to manual glue weighing and glue mixing, air bubbles brought by manual rod stirring, inaccurate glue discharging amount and the like are effectively solved, and the glue mixing and filling efficiency is 3-5 times that of the traditional manual glue mixing and filling; measuring pump 10 fixed mounting is on board 1, 11 fixed mounting of feed cylinder is on measuring pump 10, it is concrete, two ingredient gear pumps, two liquid gear pumps all can be used as measuring pump 10, in addition, measuring pump 10 adopts the outer meshing straight-teeth gear of high standard, and with the uniformity of pump chamber precision fit in order to reach the displacement of per revolution, adopt high-speed instrument steel material preparation and hardening process, good wear-resisting has, corrosion-resistant and lubricity, the pump body comprises three through precision grinding panel and adopts the accurate location of locating pin, in order to guarantee the accurate control to the running clearance.

The machine case 7 is internally provided with a centralized control PLC9 and two frequency converters, the two frequency converters are respectively connected with the linear motor 4 and the stepping motor 2, the two frequency converters are electrically connected with the centralized control PLC9, an operator inputs dispensing parameters through keys on the centralized control PLC9, and because dispensing and routing in various shapes such as rectangle, cone circle, arc runway shape, eight-edge cone circle and the like are designed through setting 8 parameters such as 'workpiece length', 'workpiece width', 'operating speed', 'forward delay time', 'origin correction', 'superposition angle', 'glue-closing advance', 'feeding compensation' of a workpiece product, a control program can be compiled for the action of the dispensing needle 6 according to the 8 parameters, and the centralized control PLC9 automatically controls the action of the linear motor 4 and the stepping motor 2 according to the program to complete the specified dispensing operation.

Referring to fig. 2, the lifting mechanism 5 includes a lower base plate 50, an upper mounting plate 51, a slider 53, a sliding column 52, a screw 54, a hand wheel 55, and a screw 56, the lower base plate 50 is fixedly mounted on a mover of the linear motor 4, the upper mounting plate 51 is fixedly mounted right above the lower base plate 50 through a plurality of sliding columns 52, the vertical screw 54 is rotatably connected between the upper mounting plate 51 and the lower base plate 50, the slider 53 is rotatably connected to the screw 54, the screw 54 is screwed to drive the slider 53 to vertically slide on the sliding column 52, the slider 53 slides to drive the cantilever 8 to vertically move, the cantilever 8 vertically moves to drive the dispensing needle 6 to vertically move, the slider 53 is slidably connected to the plurality of sliding columns 52, a device for driving the screw 54 to rotate is mounted at the upper end of the screw 54, specifically, the screw 54 can be driven to rotate by a motor or the hand wheel 55, etc., the screw 56 is horizontally mounted at the, screwing the lead screw 56 to drive the cantilever 8 to horizontally slide along the lead screw 56 to finely adjust the position of the cantilever 8 on the slide block 53, so that the dispensing operation of the product workpiece can be more conveniently carried out.

The glue coating motion platform capable of horizontally rotating can be used for dispensing operations, and can also realize various operations such as welding (the glue dispensing needle head 6 is replaced by a soldering iron head and a welding tip), spraying (the glue dispensing needle head 6 is replaced by a spray head) and the like by replacing the glue dispensing needle head 6 and utilizing the motion of the traditional three-axis platform.

the method comprises the following steps: the workpiece to be glued is installed and fixed on the horizontal object placing table 3, specifically, a clamp can be fixed on the horizontal object placing table 3 firstly, then the workpiece is installed and fixed on the clamp, meanwhile, the position of the workpiece is adjusted, the rotating central axis of the horizontal object placing table 3 and the central axis of the linear motor 4 are intersected at the central point of the workpiece, therefore, the situation that the dispensing needle head 6 deviates from a set circuit when subsequent dispensing wiring is conducted can be avoided, the matched dispensing needle head 6 can be installed after the workpiece is installed, the selection of the dispensing needle head 6 is determined according to the dispensing quantity required by the workpiece, and the position and the inclination angle of the dispensing needle head 6 can be adjusted after the dispensing needle head 6 is installed until the optimal distance is kept between the dispensing needle head 6 and the workpiece.

Step two, respectively adding glue and a curing agent into the two charging barrels 11, and then inputting glue output parameters on the metering pump 10;

step three: the power supply and the air source are switched on, the centralized control PLC9 is opened to set dispensing parameters, the dispensing parameters are set in three steps, firstly, the parameters of 'workpiece length', 'workpiece width', 'running speed', 'delay time', 'origin correction', 'superposition angle' and 'glue closing advance' are input, secondly, the parameters of 'feed compensation' are input, thirdly, the parameters are modified, in order to ensure the processing precision, the numerical values of various dispensing parameters are suggested to be derived by CAD or other mechanical drawing software to ensure the accuracy of the parameters, in the dispensing parameters, the 'workpiece length' is the length of the dispensing track of the workpiece, the numerical values can be obtained through the original drawing of the workpiece, and can be measured by a caliper, and the measurement formula is as follows: the length of the workpiece is (actually measured size-needle diameter) multiplied by 10, and the unit of the actually measured size and the needle diameter is mm, and the measuring method is particularly suitable for the edge gluing of the mobile phone horn and the workpieces needing inner side glue dispensing; the 'width of the workpiece' is the width of the dispensing track of the workpiece, and the measuring method of the 'width of the workpiece' is the same as that of the 'length of the workpiece'; the 'operating speed' refers to the rotating speed of the workpiece and the moving speed of the glue dispensing needle head 6, and the numerical value can be calculated by the moving speed of the linear motor 4 and the rotating speed of the stepping motor 2; the forward delay time refers to the time from the start of the linear motor 4 and the stepping motor 2 to the time before the glue dispensing needle 6 is dispensed, and the forward delay time exists because the glue must be dispensed after the glue dispensing needle 6 is in place; the original point correction means that the position of the dispensing needle head 6 is adjusted in advance before the dispensing operation is started, so that the dispensing needle head is positioned right above the central point of the workpiece; the "superposition angle" is an angle that the workpiece needs to continue rotating after rotating for one circle, because there is "delay time", when the horizontal placement table 3 starts rotating, the dispensing needle 6 does not dispense glue, and therefore although the workpiece rotates for one circle, the glue dispensed from the dispensing needle 6 is not closed for one circle, and therefore, the workpiece needs to rotate for one circle, and then continues rotating for one angle, so that the actual dispensing line is closed, the angle that continues rotating is called a superposition angle, for example, the superposition angle is 30 degrees, the workpiece actually needs to rotate 390 degrees, the superposition angle is too small, the glue path cannot be completely closed, the superposition angle is too large, and the glue path has uneven glue stacking; the 'glue closing in advance' means that the glue dispensing needle head 6 is closed in advance, when the workpiece stops rotating, if the glue dispensing needle head 6 stops glue discharging and the glue dispensing needle head 6 is lifted at the same time, the tail of a glue path is too thick, and the glue dispensing needle head 6 is lifted, so that the phenomenon of wire drawing occurs when the glue dispensing needle head 6 stops glue discharging, the workpiece still keeps rotating to thin the glue after the glue dispensing needle head 6 stops glue discharging, and then the glue dispensing needle head 6 is lifted, so that the tail of the glue and a place where the glue is just discharged can be perfectly closed; the feeding compensation refers to the distance from the central point of the dispensing track of the workpiece to the linear motor 4; the centralized control PLC9 controls the linear motor 4 and the stepping motor 2 to move according to the set dispensing parameters to complete the corresponding dispensing and routing operation.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. The utility model provides a horizontal rotation's glue application motion platform, includes board (1) and quick-witted case (7) of setting on board (1), its characterized in that: a stepping motor (2) is vertically arranged on the machine table (1), and a horizontal object placing table (3) is arranged on an output shaft at the upper end of the stepping motor (2); a cantilever (8), a lifting mechanism (5) driving the cantilever (8) to move up and down and a linear motor (4) driving the lifting mechanism (5) to horizontally move back and forth are arranged behind the horizontal object placing table (3), the linear motor (4) is fixedly arranged on the machine table (1), the upper end of the cantilever (8) is rotatably connected with a mounting plate (13) used for mounting a dispensing needle head (6), a mixer (12) is arranged on the dispensing needle head (6), two glue supply pipelines (14) are connected to the mixer (12), and a charging barrel (11) and a metering pump (10) are arranged on each glue supply pipeline (14); and a centralized control PLC (9) is installed in the case (7).

2. The horizontally rotatable glue application motion platform of claim 1, wherein: the metering pump (10) is fixedly installed on the machine table (1), and the charging barrel (11) is fixedly installed on the metering pump (10).

3. The horizontally rotatable glue application motion platform of claim 2, wherein: the metering pump (10) comprises a two-component gear pump and a two-fluid gear pump.

4. The horizontally rotatable glue application motion platform of claim 1, wherein: the lifting mechanism (5) comprises a lower base plate (50), an upper mounting plate (51), a sliding block (53), sliding columns (52), a screw rod (54), a hand wheel (55) and a lead screw (56), wherein the lower base plate (50) is fixedly mounted on a rotor of the linear motor (4), the upper mounting plate (51) is fixedly mounted right above the lower base plate (50) through a plurality of sliding columns (52), the screw rod (54) is connected between the upper mounting plate (51) and the lower base plate (50) in a rotating mode, the sliding block (53) is connected onto the screw rod (54) in a threaded mode, the sliding block (53) is in sliding fit with the plurality of sliding columns (52), a device for driving the screw rod (54) to rotate is mounted at the upper end of the screw rod (54), the lead screw (56) is horizontally mounted on the side face of the sliding block (53), and the cantilever (8.

5. The horizontally rotatable glue application motion platform of claim 4, wherein: the device for driving the screw rod (54) to rotate comprises a motor and a hand wheel (55).

6. A glue coating method is characterized in that the glue coating motion platform of any one of claims 1-5 is adopted to execute the following steps:

the method comprises the following steps: a workpiece to be glued is installed and fixed on a horizontal object placing table (3), then a matched dispensing needle head (6) is installed, and the position angle of the dispensing needle head (6) is adjusted;

step two, respectively adding glue and a curing agent into the two charging barrels (11), and then inputting glue output parameters on the metering pump (10);

step three: and opening the centralized control PLC (9) to set dispensing parameters, and controlling the linear motor (4) and the stepping motor (2) to act by the centralized control PLC (9) according to the set dispensing parameters to finish corresponding dispensing and wiring operations.

7. The glue coating method according to claim 6, characterized in that: the setting of the dispensing parameters in the third step is carried out in three steps, wherein the parameters of 'workpiece length', 'workpiece width', 'operating speed', 'forward delay time', 'origin correction', 'stacking angle' and 'glue closing advance' are firstly input in the first step, the parameters of 'feeding compensation' are input in the second step, and the parameters are modified in the third step.