CN218531574U

CN218531574U - Glue dispensing device

Info

Publication number: CN218531574U
Application number: CN202222831241.3U
Authority: CN
Inventors: 李文峰; 刘贞宝
Original assignee: Dongguan Zhan Rong Electronics Mechanical Co Ltd
Current assignee: Dongguan Zhan Rong Electronics Mechanical Co Ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-02-28
Anticipated expiration: 2032-10-26

Abstract

The utility model relates to a point gum machine technical field specifically is a dispensing device. The automatic glue dispensing machine comprises a workbench, wherein the workbench is connected with an XYZ axis moving mechanism, the XYZ axis moving mechanism is connected with a glue dispensing head, the workbench is also connected with a conveying mechanism, the conveying mechanism comprises chain conveying mechanisms and driving motors, the chain conveying mechanisms are positioned on the left side and the right side, and the driving motors are respectively in driving connection with the chain conveying mechanisms on the two sides; and a positioning mechanism for positioning the jig is arranged in the middle of the workbench and is positioned between the main chain conveying mechanism and the auxiliary chain conveying mechanism. The utility model has the advantages that: the positioning mechanism is arranged to replace visual positioning, so that time and cost are saved.

Description

Glue dispensing device

Technical Field

The utility model relates to a point gum machine technical field specifically is a dispensing device.

Background

In the related production of electronic components, the dispensing machine is widely applied to the electronic components, and the manual dispensing machine is conventionally adopted for dispensing operation, so that the operation has higher requirement on labor and long operation time and high strength; in order to solve the problem, various automatic dispenser machines have been developed in the industry, such as CN201922189673.7, a dispensing mechanism of a dispenser machine. The dispensing mechanism adopts the combination of the X-axis, Y-axis and Z-axis moving mechanisms and the dispensing mechanism, and realizes 3-dimensional movement of the dispensing mechanism through the X-axis, Y-axis and Z-axis moving mechanisms, so that the dispensing mechanism can accurately move to a dispensing position and perform dispensing operation. When the dispensing machine is used, a to-be-dispensed object needs to be manually placed in the movable area of the moving mechanism, then the moving mechanism drives the dispensing mechanism to move to the position above the to-be-dispensed object, the CCD camera of the dispensing mechanism identifies the identification position of a product, the initial position of spraying is calculated, and then the spray head is adjusted according to the calculated result. When the glue dispensing mechanism is applied to batch production of similar products, the positions of the marks are identified by the CCD camera, the spraying initial position is calculated and the spraying path is planned for each glue dispensing, so that unnecessary repeated calculation is caused, and the production efficiency is influenced.

Disclosure of Invention

An object of the utility model is to solve prior art not enough, provide a dispensing device, this dispensing device is equipped with conveying mechanism to fix a position by the point gluing thing, be favorable to improving production efficiency, reduce cost.

A glue dispensing device comprises a workbench, wherein the workbench is connected with an XYZ-axis moving mechanism, the XYZ-axis moving mechanism is connected with a glue dispensing head, the workbench is also connected with a conveying mechanism, the conveying mechanism comprises chain conveying mechanisms and driving motors, the chain conveying mechanisms are positioned on the left side and the right side, and the driving motors are respectively in driving connection with the chain conveying mechanisms on the two sides; and a positioning mechanism for positioning the jig is arranged in the middle of the workbench and is positioned between the main chain conveying mechanism and the auxiliary chain conveying mechanism.

Furthermore, an installation perforation is formed in the middle of the workbench, the positioning mechanism comprises an L-shaped connecting block, the horizontal section of the connecting block is located above the installation perforation, the lower end of the vertical section of the connecting block is connected with a fixing lug, and the fixing lug is provided with a connecting groove and is fixed on the workbench through a connecting piece; the positioning mechanism further comprises a positioning air cylinder fixedly connected with the connecting block, and a push rod of the positioning air cylinder is connected with a positioning assembly.

Furthermore, the positioning assembly comprises a bearing block connected with the push rod, two sides of one end of the bearing block are respectively connected with a supporting block, a fixing shaft is arranged between the two supporting blocks and is rotatably connected with a positioning block, the cross section of the positioning block is in an obtuse triangle shape, and the other end of the bearing block is connected with an adjusting block used for adjusting the position of the positioning block.

Preferably, the upper end of the positioning block is connected with a roller.

Furthermore, the positioning mechanism further comprises a lifting plate arranged in the middle of the workbench, and the lower end of the lifting plate is connected with a lifting mechanism.

Preferably, the lifting plate is connected with a plurality of positioning columns.

Further, the workbench is also connected with a check block.

Further, chain conveying mechanism includes the side direction piece, and both ends are connected with the main sprocket respectively around the side direction piece, are connected with the chain between two main sprockets, driving motor is connected with the transmission shaft, and the transmission shaft is connected with power sprocket, and power sprocket meshes with the chain.

Preferably, the lateral faces of the lateral blocks are provided with straps for carrying the chain.

Further, the XYZ-axis moving mechanism comprises an X-axis moving mechanism, a Y-axis moving mechanism and a Z-axis moving mechanism, the X-axis moving mechanism comprises two supports, the supports are provided with spaces for the conveying mechanism to penetrate through, a linear motor is arranged at the upper end of one support, a longitudinal guide rail and a longitudinal sliding block are arranged at the upper end of the other support, the linear motor is connected with a main connecting plate, the longitudinal sliding block is connected with an auxiliary connecting plate, a transverse support is connected between the main connecting plate and the auxiliary connecting plate, the Y-axis moving mechanism is fixed to the transverse support, the Z-axis moving mechanism is connected to the Y-axis moving mechanism, and the dispensing head is fixed to the Z-axis moving mechanism.

Compared with the prior art, the beneficial effects of the utility model are that: the positioning mechanism is arranged to replace visual positioning, so that time and cost are saved.

Drawings

Fig. 1 is a schematic diagram of the present embodiment.

Fig. 2 is a schematic diagram of a second viewing angle in the present embodiment.

Fig. 3 is a schematic diagram of a third viewing angle in the embodiment.

Fig. 4 is an enlarged schematic view of a portion a in fig. 3.

Fig. 5 is a schematic structural view of the present embodiment excluding the XYZ axes movement mechanism and the dispensing head.

Fig. 6 is an enlarged schematic view of B in fig. 5.

FIG. 7 is a schematic view of a portion of the positioning mechanism.

Reference numerals are as follows:

1-XYZ axis moving mechanism; 11-linear motor; 12-main connection board; 13-transverse support; 14-Z axis moving mechanism; 15-longitudinal guide; 16-a support; 17-Y-axis moving mechanism; 18-auxiliary connecting plate; 10-a work bench; 101-mounting a through hole;

2-a conveying mechanism; 21-lateral block; 22-main sprocket; 23-drive motor; 24-drive shaft; 25-power chain wheel; 26-lap plate; 20-dispensing head;

3-positioning mechanism; 31-connecting block; 32-connecting groove; 33-fixing lug; 34-lifting mechanism; 35-check block; 36-lifting plate; 37-positioning post; 38-positioning cylinder; 39-push rod; 310-fixed axis; 311-supporting block; 312-locating block; 313-roller; 315 — adjustment block; 316-bearing block.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

Example (b): as shown in fig. 1, 2 and 3, a dispensing device comprises a workbench 10, wherein the workbench 10 is connected with an XYZ-axis movement mechanism 1, the XYZ-axis movement mechanism 1 is connected with a dispensing head 20, the workbench 10 is further connected with a conveying mechanism 2, as shown in fig. 5, the conveying mechanism 2 comprises chain conveying mechanisms 2 positioned at the left side and the right side and a driving motor 23, and the driving motor 23 is respectively connected with the chain conveying mechanisms 2 at the two sides in a driving manner; the middle part of the workbench 10 is provided with a positioning mechanism 3 for positioning the jig, and the positioning mechanism 3 is positioned between the main chain conveying mechanism 2 and the auxiliary chain conveying mechanism 2.

When the technical scheme works, objects to be glued, such as a circuit board and the like, are arranged in the jig, the jig is conveyed through the conveying mechanism 2, and when the jig is conveyed to a preset position, the positioning mechanism 3 acts and is connected with the jig to position the jig; then the XYZ axis moving mechanism 1 drives the dispensing head 20 to dispense the dispensed objects; the object to be dispensed is at a fixed position during dispensing, so that the position to be dispensed can be obtained in advance, and a dispensing route can be set in advance, during dispensing, the XYZ-axis movement mechanism 1 drives the dispensing head 20 to move according to the preset dispensing route, and the dispensing operation is completed in cooperation with the dispensing head 20. After dispensing, the conveying mechanism 2 conveys the jigs to the blanking station, and the next jig enters the dispensing station and is matched with the positioning mechanism 3 to perform the next dispensing operation. After the conveying mechanism 2 and the positioning mechanism 3 are arranged, the structure of the glue dispensing mechanism is simplified, and the glue dispensing mechanism can work directly according to a preset glue dispensing route without re-identifying and planning the glue dispensing route, so that the production efficiency is improved.

Referring to fig. 4 and 7, further, an installation through hole 101 is formed in the middle of the working table 10, the positioning mechanism 3 includes an L-shaped connecting block 31, a horizontal section of the connecting block 31 is located above the installation through hole 101, a fixing lug 33 is connected to a lower end of a vertical section of the connecting block 31, and the fixing lug 33 is provided with a connecting groove 32 and is fixed to the working table 10 through a connecting member; the positioning mechanism 3 further comprises a positioning cylinder 38 fixedly connected with the connecting block 31, and a push rod 39 of the positioning cylinder 38 is connected with a positioning assembly.

When the jig is conveyed by the conveying mechanism 2, the push rod 39 of the positioning cylinder 38 drives the positioning component to extend into the moving track of the jig, and when the jig abuts against the positioning component, the jig reaches the dispensing station. After the objects to be dispensed on the jig are dispensed, the positioning cylinder 38 drives the positioning assembly to descend and leave the moving track of the jig. The jig continues to move forward under the driving of the conveying mechanism 2. Because the positioning assembly has higher requirement on the positioning accuracy of the jig, and the positioning assembly needs to be adjusted when being installed, the fixing lug 33 is provided with the connecting groove 32, the connecting piece can be a bolt and the like, the workbench 10 is provided with a threaded hole, and one end of a screw penetrates through the connecting groove 32 to be connected with the threaded hole.

Further, see fig. 7; the positioning component comprises a bearing block 316 connected with the push rod 39, two sides of one end of the bearing block 316 are respectively connected with a supporting block 311, a fixed shaft 310 is arranged between the two supporting blocks 311, the fixed shaft 310 is rotatably connected with a positioning block 312, the cross section of the positioning block 312 is in an obtuse triangle shape, and the other end of the bearing block 316 is connected with an adjusting block 315 used for adjusting the position of the positioning block 312.

According to the technical scheme, the positioning block 312 is arranged to be an obtuse triangle, one end of the positioning block 312 is positioned above the adjusting block 315, and the other end of the positioning block 312 is positioned above the adjusting block 315; when the positioning block is abutted against the jig, one end of the positioning block 312 is abutted against the jig, and the other end of the positioning block 312 is abutted against the adjusting block 315; when the positioning position is adjusted, if the mode of loosening the screw, moving the connecting block 31 and tightening the screw is adopted, the speed is slow; after the structure is adopted, the positioning position of the jig can be adjusted only by moving the adjusting block 315, and the adjustment is convenient; secondly, during initial adjustment, the jig needs to move back and forth, and if the positioning cylinder 38 drives the positioning block 312 to lift each time, the adjustment efficiency is greatly influenced; the positioning block 312 is set to be triangular, the positioning block 312 can be stopped in a single direction, and the jig can conveniently move back and forth to adjust the position by matching with the adjusting block 315. The adjustment block 315 may be a magnet and may not be moved freely.

Preferably, a roller 313 is connected to an upper end of the positioning block 312.

After the roller 313 is arranged, the friction between the upper end of the positioning block 312 and the jig can be reduced.

Referring to fig. 5, further, the positioning mechanism 3 further includes a lifting plate 36 disposed in the middle of the working table 10, and a lifting mechanism 34 is connected to a lower end of the lifting plate 36.

The lifting mechanism 34 may be a lifting cylinder, and the lifting cylinder drives the lifting plate 36 to lift. When the conveying mechanism 2 conveys the jig to abut against the positioning component during operation, the jig stops moving, the lifting mechanism 34 acts to drive the lifting plate 36 to move upwards at the moment, the lifting plate 36 abuts against the jig and enables the jig to be separated from the conveying mechanism 2, and interference of the conveying mechanism 2 is avoided. After the dispensing operation is completed, the lifting mechanism 34 drives the lifting plate 36 to move downward, and the jig returns to the conveying mechanism 2.

Preferably, a plurality of positioning posts 37 are attached to the lifting plate 36.

When using, the tool is provided with the locating hole with reference column 37 matched with, and lifting plate 36 passes through reference column 37 and tool butt for the skew can not appear in the position of tool.

Further, a check block 35 is connected to the table 10.

When the jig abuts against the positioning component, the jig is just separated from the check block 35 and abuts against the check block 35, so that the jig is prevented from moving backwards when colliding with the positioning component,

referring to fig. 5 and 6, further, the chain conveying mechanism 2 includes a lateral block 21, main sprockets 22 are respectively connected to front and rear ends of the lateral block 21, a chain is connected between the two main sprockets 22, a driving shaft 24 is connected to the driving motor 23, a power sprocket 25 is connected to the driving shaft 24, and the power sprocket 25 is engaged with the chain.

Preferably, the lateral side of the lateral block 21 is provided with a strap 26 for carrying the chain.

The chain conveying structure can adopt the prior art, the driving motor 23 drives the power chain wheel 25 to rotate through the transmission shaft 24, the power chain wheel 25 drives the chain to move, and the chain circularly moves between the two main chain wheels 22; when the jig works, the two sides of the jig are respectively lapped on the chains at the two sides and move along with the movement of the chains. Secondly, for avoiding the chain to take place great deformation after bearing tool gravity, lead to the tool to appear rocking at the removal in-process, consequently set up bridging plate 26, the preferred removal groove that is equipped with chain matched with of bridging plate 26, the lower terminal surface of tool respectively with chain, bridging plate 26 butt to remove along bridging plate 26 under the traction of chain. Reducing the force acting on the chain.

See fig. 1-3; further, the XYZ shaft movement mechanism 1 includes an X shaft movement mechanism, a Y shaft movement mechanism 17 and a Z shaft movement, wherein the X shaft movement mechanism includes two brackets 16, the brackets 16 are provided with a space for the conveying mechanism 2 to pass through, the upper end of one bracket 16 is provided with a linear motor 11, the upper end of the other bracket 16 is provided with a longitudinal guide 15 and a longitudinal slider, the linear motor 11 is connected with a main connecting plate 12, the longitudinal slider is connected with an auxiliary connecting plate 18, a transverse bracket 1613 is connected between the main connecting plate 12 and the auxiliary connecting plate 18, the Y shaft movement mechanism 17 is fixed on the transverse bracket 1613, the Z shaft movement mechanism 14 is connected to the Y shaft movement mechanism 17, and the dispensing head 20 is fixed on the Z shaft movement mechanism 14.

The XYZ-axis movement mechanism 1 may employ the X-axis movement mechanism, the Y-axis movement mechanism 17 and the Z-axis movement of the prior art, such as the 3-dimensional movement mechanism mentioned in the background art, wherein the transfer mechanism 2,X is provided with two supports 16 for easy arrangement of the transfer mechanism 5363, and the transfer mechanism 2 passes through the two supports 16 for easy operation. The Y-axis moving mechanism 17 and the Z-axis moving mechanism 14 may be of a nut-and-screw structure. This is not described in detail in the prior art.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations to the above embodiments based on the technical solution of the present invention and the related teachings of the above embodiments.

Claims

1. A glue dispensing device comprises a workbench, wherein the workbench is connected with an XYZ-axis moving mechanism, the XYZ-axis moving mechanism is connected with a glue dispensing head, the workbench is also connected with a conveying mechanism, the conveying mechanism comprises chain conveying mechanisms and driving motors, the chain conveying mechanisms are positioned on the left side and the right side, and the driving motors are respectively in driving connection with the chain conveying mechanisms on the two sides; the method is characterized in that: and a positioning mechanism for positioning the jig is arranged in the middle of the workbench and is positioned between the main chain conveying mechanism and the auxiliary chain conveying mechanism.

2. A dispensing apparatus according to claim 1, wherein: the middle part of the workbench is provided with an installation perforation, the positioning mechanism comprises an L-shaped connecting block, the horizontal section of the connecting block is positioned above the installation perforation, the lower end of the vertical section of the connecting block is connected with a fixing lug, and the fixing lug is provided with a connecting groove and is fixed on the workbench through a connecting piece; the positioning mechanism further comprises a positioning air cylinder fixedly connected with the connecting block, and a push rod of the positioning air cylinder is connected with a positioning assembly.

3. A dispensing apparatus according to claim 2, wherein: the positioning assembly comprises a bearing block connected with the push rod, two sides of one end of the bearing block are respectively connected with a supporting block, a fixing shaft is arranged between the two supporting blocks and is rotatably connected with a positioning block, the cross section of the positioning block is in an obtuse triangle shape, and the other end of the bearing block is connected with an adjusting block used for adjusting the position of the positioning block.

4. A dispensing apparatus according to claim 3, wherein: the upper end of the positioning block is connected with a roller.

5. A dispensing apparatus according to any one of claims 2 to 4, wherein: the positioning mechanism further comprises a lifting plate arranged in the middle of the workbench, and the lower end of the lifting plate is connected with a lifting mechanism.

6. The dispensing apparatus of claim 5, wherein: the lifting plate is connected with a plurality of positioning columns.

7. A dispensing apparatus according to claim 5, wherein: the workbench is also connected with a check block.

8. A dispensing apparatus according to claim 1, wherein: the chain conveying mechanism comprises a lateral block, the front end and the rear end of the lateral block are respectively connected with a main chain wheel, a chain is connected between the two main chain wheels, the driving motor is connected with a transmission shaft, the transmission shaft is connected with a power chain wheel, and the power chain wheel is meshed with the chain.

9. The dispensing apparatus of claim 8, wherein: the side of the lateral block is provided with a lapping plate for carrying a chain.

10. A dispensing apparatus according to claim 1, wherein: the X-axis moving mechanism comprises two supports, the supports are provided with spaces for the conveying mechanisms to penetrate through, a linear motor is arranged at the upper end of one support, a longitudinal guide rail and a longitudinal sliding block are arranged at the upper end of the other support, the linear motor is connected with a main connecting plate, the longitudinal sliding block is connected with an auxiliary connecting plate, a transverse support is connected between the main connecting plate and the auxiliary connecting plate, the Y-axis moving mechanism is fixed on the transverse supports, the Z-axis moving mechanism is connected with the Y-axis moving mechanism, and a dispensing head is fixed on the Z-axis moving mechanism.