PCB glue dripping and dispensing machine

Abstract

The utility model discloses a PCB (Printed Circuit Board) glue dripping and dispensing machine, which relates to the technical field of glue dispensing machines and comprises a glue dispensing machine body, the glue dispensing machine body comprises a Z-axis driving assembly and a glue dispensing execution end arranged on one side of the Z-axis driving assembly, and the glue dispensing execution end comprises a driving motor and a top plate arranged at the bottom of the driving motor. The glue dispensing device comprises a top plate, a glue dispensing end shell arranged at the bottom of the top plate, a conveying auger embedded in the inner wall of the top of the glue dispensing end shell, a glue flow control assembly arranged at the bottom of one end of the glue dispensing end shell in a penetrating mode and located at the bottom of the conveying auger, and a glue dispensing head arranged on the inner wall of the bottom of the glue dispensing end shell. And the glue input pipe is arranged at the top of one side of the dispensing end shell. According to the utility model, the glue flow control assembly and the driving motor are arranged to drive the glue conveying auger to adjust and control the glue discharge amount.

Description

TECHNICAL FIELD

[0001] The utility model mainly relates to the technical field of glue dispenser, specifically is a kind of PCB glue dropping glue dispenser. BACKGROUND

[0002] PCB glue dispenser is a kind of widely used automatic equipment in the process of manufacturing circuit board, it is mainly used to accurately coat liquid glue on circuit board, to achieve fixed, adhesive, conductive or identification purposes.PCB glue dispenser works mainly based on the accurate control of liquid glue.First, liquid glue is filled into glue bucket;Then, circuit board is placed on the workbench of glue dispenser, and fine positioning and adjustment are carried out;Then, the movement system of glue dispenser will move circuit board to the position where glue is needed according to the predetermined parameters, and spray glue on it;Finally, the control system of glue dispenser will dynamically adjust and control the operation of glue dispenser according to the real-time feedback of working state information, to ensure the accuracy and efficiency of glue dropping.

[0003] According to the application number CN201821832735.0 provides a kind of PCB board glue dropping machine.It mainly includes glue head module system, rotating table module system, filter module system, glue output module system, the glue head module system mainly includes Z-axle ball screw, glue valve, stirring module, rotating plate, fixed seat, the filter module system is by water filter, pressure regulating valve, oil atomizer composition.Adopted two-component glue dropping technology, epoxy resin AB glue is automatically extracted and uniformly mixed according to process ratio 1:1, and a double-cylinder adjustable back-suction type double-liquid glue valve is designed, to reduce the residual glue on needle, so that glue dropping does not produce leakage, wire drawing phenomenon.

[0004] Based on the above device, the glue dropping machine is prone to glue dropping excess in use, and the glue dropping amount is not easy to control. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model aims at providing a kind of PCB glue dropping glue dispenser to solve the technical problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of PCB glue dropping glue dispenser, including glue dispenser body, the glue dispenser body includes Z-axis drive assembly, glue execution end head arranged at one side of the Z-axis drive assembly, the glue execution end head includes drive motor, top plate arranged at the bottom of the drive motor, glue end head shell arranged at the bottom of the top plate, conveying auger embedded in the inner wall of the top of the glue end head shell, glue flow control assembly is passed through the bottom of one end of the glue end head shell and located at the bottom of the conveying auger, glue head arranged at the inner wall of the bottom of the glue end head shell, and glue input pipe arranged at the top of one side of the glue end head shell.

[0007] Preferably, one end of the glue flow control assembly is provided with a flow control execution end, and the other end of the side wall of the glue flow control assembly is provided with a flow control conveying hole.

[0008] Preferably, the output pipeline is arranged in the inner wall of the glue dispensing head shell, the input pipeline is arranged in the top inner wall of the glue dispensing head shell and communicates with the output pipeline, and the heating pipe is arranged in the inner wall of the glue dispensing head shell.

[0009] Preferably, the driving motor execution end is connected with one end of the top of the conveying auger.

[0010] Preferably, the flow control conveying hole outer wall is in sliding connection with the inner wall of the glue dispensing head shell.

[0011] Preferably, the heating pipe is arranged outside the output pipeline.

[0012] Preferably, the conveying auger is arranged in the output pipeline and is in sliding connection with the inner wall of the output pipeline.

[0013] Preferably, the glue dispensing machine body further comprises an X-axis driving assembly arranged on one side of the Z-axis driving assembly, Y-axis driving assemblies arranged in a symmetrical manner at two ends of the X-axis driving assembly, and a placing base arranged at the bottom of the side wall of the Y-axis driving assembly.

[0014] In summary, the technical scheme mainly has the following beneficial effects:

[0015] By adding a glue flow control assembly in the glue conveying channel, the volume of the glue conveying pipeline can be changed by rotating the execution end of the glue flow control assembly during glue dispensing, so as to increase or reduce the amount of glue flowing out, thereby realizing control of the glue dispensing amount. In addition, the driving motor drives the glue conveying auger to control the conveying speed of the glue, so as to also realize control of the glue dispensing amount to a certain extent.

[0016] Secondly, the heating pipe can melt the solidified glue remaining in the output pipeline for reuse, and heating the glue in the output pipeline can prevent the glue from solidifying due to slow conveying speed. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a sectional view of the glue dispensing execution head part structure of the utility model;

[0018] Figure 2 It is an axonometric view of the glue dispensing machine body overall structure of the utility model;

[0019] Figure 3 It is an axonometric view of the glue dispensing execution head structure of the utility model;

[0020] Figure 4 The point-gluing execution end head structure sectional view of the utility model;

[0021] Figure 5 The glue flow control assembly structure isosceles trapezoid view of the utility model.

[0022] BRIEF DESCRIPTION OF DRAWINGS: 10, point-gluing machine body; 20, point-gluing execution end head; 11, Z-axis drive assembly; 12, X-axis drive assembly; 13, Y-axis drive assembly; 14, placing base table; 21, drive motor; 22, top plate; 23, point-gluing end head shell; 24, conveying auger; 25, glue flow control assembly; 26, point-gluing head; 27, glue input pipe; 231, output pipeline; 232, input pipeline; 233, heating pipe; 251, flow control execution end; 252, flow control conveying hole. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely in connection with the drawings in the embodiments of the utility model.

[0024] EMBODIMENT

[0025] As shown in Figure 1 , 2 , 4, the glue input pipe 27 of one side top of the point-gluing end head shell 23, the input pipeline 232 of the inner wall of the top of the point-gluing end head shell 23 and the output pipeline 231 are communicated, the point-gluing execution end head 20 includes the drive motor 21, the top plate 22 of the bottom of the drive motor 21, the point-gluing end head shell 23 of the bottom of the top plate 22, the output pipeline 231 outside of the heating pipe 233, and the execution end of the drive motor 21 is connected with one end of the top of the conveying auger 24.

[0026] It should be noted that, in the embodiment, when the glue supply pipeline connected with the other end of the glue input pipe 27 starts to transport glue, the glue flows into the point-gluing end head shell 23 connected with the other end of the glue input pipe 27, at this time, a certain amount of glue flows into the input pipeline 232 embedded in the inner wall of the point-gluing end head shell 23, the top plate 22 located at the bottom of the drive motor 21 can play a supporting and limiting role for the drive motor 21, the drive motor 21 in the working state drives the conveying auger 24 to rotate slowly, and the glue in the input pipeline 232 flows to the output pipeline 231 communicated therewith.

[0027] As shown in Figure 1 , 3, 4, 5, the conveying auger 24 of the inner wall of the top of the dispensing tip housing 23, the glue flow control assembly 25 at the bottom of one end of the dispensing tip housing 23 and located at the bottom of the conveying auger 24, the flow control execution end 251 of one end of the glue flow control assembly 25, the flow control conveying hole 252 of the other end of the side wall of the glue flow control assembly 25, the dispensing head 26 of the inner wall of the bottom of the dispensing tip housing 23, and the flow control conveying hole 252 outer wall and the dispensing tip housing 23 inner wall sliding connection.

[0028] It should be noted that in this embodiment, when the glue reaches the bottom of the conveying auger 24, the glue flow control assembly 25 can be adjusted according to the situation to achieve the required dispensing speed, that is, by rotating the flow control execution end 251 to change the amount of glue received by the flow control conveying hole 252 from the bottom of the conveying auger 24, the greater the area of the flow control conveying hole 252, the more glue is received, and vice versa, so that the glue output is better controlled, and finally the glue enters the dispensing head 26 and reaches the dispensing position at the bottom of the dispensing head 26 to complete the glue dropping on the PCB.

[0029] As shown in Figure 1 , 4 , 5, the output pipe 231 of the inner wall of the dispensing tip housing 23, the heating pipe 233 of the inner wall of the dispensing tip housing 23, and the conveying auger 24 located in the output pipe 231 and slidingly connected with the inner wall of the output pipe 231.

[0030] It should be noted that in this embodiment, in addition, the conveying auger 24 in the output pipe 231 simultaneously receives the input glue, at which time the glue can be slowly conveyed downward with the rotation of the conveying auger 24, and when passing through a section provided with the heating pipe 233, to prevent the glue from solidifying due to slow conveying, the heating pipe 233 heats the glue to enable it to smoothly reach the bottom of the conveying auger 24. In addition, before the glue supply pipe starts to convey the glue, the heating pipe 233 can heat and melt the solidified glue remaining in the conveying auger 24 during the previous glue dropping work, facilitating the performance of this glue dropping work.

[0031] As shown in Figure 2 , comprising a dispensing machine body 10, the dispensing machine body 10 comprising a Z-axis drive assembly 11, a dispensing execution tip 20 on one side of the Z-axis drive assembly 11, the dispensing machine body 10 further comprising an X-axis drive assembly 12 on one side of the Z-axis drive assembly 11, Y-axis drive assemblies 13 symmetrically arranged at both ends of the X-axis drive assembly 12, and a placement platform 14 at the bottom of the side wall of the Y-axis drive assembly 13.

[0032] It should be noted that in this embodiment, in addition, the Z-axis drive assembly 11 provided in the glue dispensing machine body 10 can drive the glue dispensing execution end head 20 to move up and down, the X-axis drive assembly 12 can drive the Z-axis drive assembly 11 to move left and right, and the Y-axis drive assembly 13 can drive the X-axis drive assembly 12 and the Z-axis drive assembly 11 to move forward and backward together, so as to position the glue dispensing execution end head 20 and accurately correspond to the glue dispensing position on the PCB board arranged on the placing base 14, facilitating precise glue dispensing.

[0033] The working principle of the utility model is:

[0034] When the glue input pipe 27 is connected to the glue supply pipe at the other end, the glue input pipe 27 flows into the glue dispensing head shell 23 at one end, at this time, a certain amount of glue flows into the input pipe 232 embedded in the inner wall of the glue dispensing head shell 23, the driving motor 21 starts to work, the top plate 22 at the bottom of the driving motor 21 can support and limit the driving motor 21, the driving motor 21 in the working state drives the conveying auger 24 to rotate slowly, the glue in the input pipe 232 flows to the output pipe 231 connected thereto;

[0035] When the glue reaches the bottom of the conveying auger 24, the glue flow control assembly 25 can be adjusted according to the situation to achieve the required glue dispensing speed, that is, the flow control delivery hole 252 receives the amount of glue flowing from the bottom of the conveying auger 24 by rotating the flow control execution end 251 to change the area of the flow control delivery hole 252, when the area of the flow control delivery hole 252 is larger, the amount of glue received is more, and vice versa, so as to better control the glue output, finally the glue enters the glue dispensing head 26, reaches the glue dispensing position at the bottom of the glue dispensing head 26 and completes the glue dispensing on the PCB;

[0036] In addition, the conveying auger 24 provided in the output pipe 231 simultaneously receives the input glue, at this time, the glue can be slowly conveyed downward along with the rotation of the conveying auger 24, when passing through a section provided with a heating pipe 233, in order to prevent the glue from solidifying due to slow conveying, the heating pipe 233 can heat the glue to make it smoothly reach the bottom of the conveying auger 24, in addition, before the glue supply pipe starts to convey the glue, the heating pipe 233 can heat and melt the solidified glue remaining in the conveying auger 24 after the previous glue dispensing work, facilitating the performance of this time glue dispensing work;

[0037] In addition, the Z-axis driving assembly 11 arranged in the glue dispenser body 10 can drive the glue dispensing end head 20 to move up and down, the X-axis driving assembly 12 can drive the Z-axis driving assembly 11 to move left and right, and the Y-axis driving assembly 13 can drive the X-axis driving assembly 12 and the Z-axis driving assembly 11 to move forward and backward together, so as to position the glue dispensing end head 20 and accurately correspond to the glue dispensing point on the PCB board arranged on the placing base 14, and facilitate precise glue dispensing.

[0038] The above embodiments only illustrate the technical idea of the present application, and cannot limit the protection scope of the present application. Any modification made on the basis of the technical scheme according to the technical idea of the present application falls within the protection scope of the present application.

Claims

1. A PCB glue dropping dispenser, comprising a dispenser body (10), characterized in that The glue dispenser body (10) comprises a Z-axis driving assembly (11), a glue dispensing execution end head (20) arranged on one side of the Z-axis driving assembly (11), the glue dispensing execution end head (20) comprising a driving motor (21), a top plate (22) arranged at the bottom of the driving motor (21), a glue dispensing end head shell (23) arranged at the bottom of the top plate (22), a conveying auger (24) embedded in the inner wall of the top of the glue dispensing end head shell (23), a glue flow control assembly (25) penetrating through the bottom of one end of the glue dispensing end head shell (23) and located at the bottom of the conveying auger (24), a glue dispensing head (26) arranged on the inner wall of the bottom of the glue dispensing end head shell (23), and a glue input pipe (27) arranged on one side of the top of the glue dispensing end head shell (23).

2. The PCB drop glue dispenser according to claim 1, wherein, One end of the glue flow control assembly (25) is provided with a flow control execution end (251), and the other end of the side wall of the glue flow control assembly (25) is provided with a flow control conveying hole (252).

3. The PCB drop glue dispenser of claim 1, wherein, The inner wall of the glue dispensing end head shell (23) is provided with an output pipe (231), the top inner wall of the glue dispensing end head shell (23) is embedded with an input pipe (232) and communicates with the output pipe (231), and the inner wall of the glue dispensing end head shell (23) is embedded with a heating pipe (233).

4. The PCB drop glue dispenser of claim 1, wherein, The execution end of the driving motor (21) is connected with one end of the top of the conveying auger (24).

5. The PCB drop glue dispenser of claim 2, wherein, The outer wall of the flow control conveying hole (252) is in sliding connection with the inner wall of the glue dispensing end head shell (23).

6. The PCB drop glue dispenser of claim 3, wherein, The heating pipe (233) is sleeved outside the output pipe (231).

7. The PCB drop glue dispenser of claim 3, wherein, The conveying auger (24) is located in the output pipe (231) and is in sliding connection with the inner wall of the output pipe (231).

8. The PCB drop glue dispenser of claim 1, wherein, The glue dispenser body (10) further comprises an X-axis driving assembly (12) arranged on one side of the Z-axis driving assembly (11), a Y-axis driving assembly (13) arranged symmetrically on both ends of the X-axis driving assembly (12), and a placing base (14) arranged on the bottom of the side wall of the Y-axis driving assembly (13).

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