Two-component glue supply system

Abstract

The invention relates to a glue supply system, in particular to a two-component glue supply system, comprising a two-component glue supply device and a two-component glue dispensing assembly, the two-component glue supply device comprising a glue supply shell, a first cylinder and a second cylinder are installed in the glue supply shell, a first glue cylinder and a second glue cylinder are installed on the glue supply shell, a first cylinder piston is fixed with a first push rod for pushing the piston inside the first glue cylinder, a second cylinder piston is fixed with a second push rod for pushing the piston inside the second glue cylinder, pointers are fixed on the piston rods of the first cylinder and the second cylinder, and a glue amount scale is provided on the glue supply shell at positions corresponding to the pointers; the two-component glue dispensing assembly comprises a fixed plate, a two-component glue dispensing device is provided on the fixed plate, the first glue cylinder and the second glue cylinder are respectively connected to two glue inlets of the two-component glue dispensing device, a cooling structure is also provided on the fixed plate, the glue supply system can measure the supply amount of the two-component glue respectively, and has good controllability.

Description

Technical Field

[0001] The invention relates to a glue supply system, in particular to a two-component glue supply system. Background Art

[0002] With the development of lightweight and miniaturized electronic technology, electronic product bonding has replaced mechanical connection, so dispensing equipment has been widely used, among which dispensing equipment and glue supply equipment are the focus of research. Dispensing equipment ensures the accuracy of dispensing, and glue supply equipment ensures the continuous supply of glue. In the market, single-component glue can be supplied with a glue cartridge adapter, but two-component glue needs to develop a separate glue supply system due to its complex ratio, capacity, and size. At the same time, the two-component glue supply system also needs to have the characteristics of glue quantity feedback, flexible glue pushing, precise glue pushing, and quick replacement of glue cartridges.

[0003] For example, the patent application number: 201620832006.X discloses a two-component liquid glue push fixture, which includes an end cap, a glue cartridge, a glue push assembly, a glue cartridge mounting component, etc. The problems of the glue push fixture are: it cannot provide feedback on the glue push amount, whether the glue is pushed out, and when to replace the glue cartridge.

[0004] For example, patent application number 201220627868.0 discloses a motor glue supply system for two-component glue. The device adopts a single-piston double-push rod glue pushing method, which has the disadvantage that one of the glues cannot be pushed out separately as needed. Summary of the invention

[0005] In order to solve the problem in the prior art that the glue pushing amount cannot be fed back in time, the present invention provides a two-component glue supply system which can feed back the glue pushing amount in time.

[0006] The technical solution adopted by the present invention to solve its technical problem is:

[0007] A two-component glue supply system, comprising a two-component glue supply device and a two-component glue dispensing component,

[0008] The two-component glue supply device comprises a glue supply housing, a first cylinder and a second cylinder are installed in the glue supply housing, a first rubber tube and a second rubber tube are installed on the glue supply housing, a first push rod for pushing the piston inside the first rubber tube is fixed to the piston of the first cylinder, a second push rod for pushing the piston inside the second rubber tube is fixed to the piston of the second cylinder, pointers are fixed to the piston rods of the first cylinder and the second cylinder, and a glue amount scale is provided on the glue supply housing at the position corresponding to the pointer;

[0009] The two-component glue dispensing assembly includes a fixed plate, a two-component glue dispensing device is arranged on the fixed plate, the first glue cylinder and the second glue cylinder are respectively connected to the two glue inlets of the two-component glue dispensing device, a cooling structure for cooling the glue liquid is also arranged at the outlet of the mixing tube of the two-component glue dispensing device on the fixed plate, the cooling structure includes a cooling channel for the glue liquid to flow through, a needle holder is installed on the fixed plate, a glue outlet pipe is provided on the needle holder, a needle is installed at the outlet of the glue outlet pipe, the cooling channel is communicated with the glue outlet pipe, a glue outlet cylinder is also arranged on the fixed plate, the glue outlet cylinder is communicated with the glue outlet pipe, and a leak-proof valve is arranged between the glue outlet cylinder and the needle holder. In the present invention, the two-component glue dispensing device is a two-component screw pump, and other forms of two-component glue dispensing devices can also be used.

[0010] Furthermore, the first rubber cartridge and the second rubber cartridge extend out from the rubber supply shell, and the rubber supply shell is provided with a rubber cartridge limiting module at the extending ends of the first rubber cartridge and the second rubber cartridge, and the rubber cartridge limiting module includes at least two guide pillars fixed on the rubber supply shell and parallel to the first rubber cartridge and the second rubber cartridge, and a clamping plate is fixed at the end of the guide pillar to clamp the ends of the first rubber cartridge and the second rubber cartridge to prevent them from falling out, and the clamping plate has a clamping hole matching the shape of the ends of the first rubber cartridge and the second rubber cartridge, and a clamping groove is provided on the side wall of the clamping hole, and the ends of the first rubber cartridge and the second rubber cartridge are clamped in the clamping groove, and the clamping hole has a notch at one side of the clamping plate to facilitate the installation of the ends of the first rubber cartridge and the second rubber cartridge, and the clamping groove has a notch at one side of the clamping plate to facilitate the installation of the ends of the first rubber cartridge and the second rubber cartridge.

[0011] Furthermore, a rubber cartridge quick-change mechanism is fixedly or slidably provided on the rubber cartridge limiting module, and the rubber cartridge quick-change mechanism includes a rubber cartridge mounting clamping plate, and the rubber cartridge mounting clamping block is provided with a through hole matching the guide column, and the center of the rubber cartridge mounting clamping plate is provided with a through hole for simultaneously accommodating the first rubber cartridge and the second rubber cartridge and matching the shapes of the first rubber cartridge and the second rubber cartridge, and the rubber cartridge mounting clamping block is provided with an opening communicating with the through hole on the side corresponding to the groove of the clamping plate, and a swivel arm is hinged on one side of the opening, and the end of the swivel arm is detachably fixed to the other side of the opening.

[0012] Furthermore, a U-shaped groove is provided at the end of the rotating arm, and a plug plate matching the U-shaped groove is fixed on the other side of the opening. Limiting holes are provided on the plug plate and the U-shaped groove along the axial direction parallel to the guide column. The end of the rotating arm is threadedly or slidably connected to the limiting column, and the limiting column passes through the limiting holes of the plug plate and the U-shaped groove at the same time.

[0013] Furthermore, a manual valve for quickly returning the cylinder to its original position is provided on the glue supply housing, and a handle is connected to the manual valve, and the handle is located outside the glue supply housing.

[0014] Furthermore, displacement sensors for detecting the position of pointers on the piston rods are installed on the piston rods of the first cylinder and the second cylinder.

[0015] Furthermore, a limit sensor for detecting the limit positions of the piston rods of the first cylinder and the second cylinder is also installed on the glue supply housing.

[0016] Furthermore, an alarm for predicting whether the glue has been pushed out is also provided on the glue supply housing.

[0017] Furthermore, the glue supply housing is also provided with a first pressure gauge and a second pressure gauge for correspondingly displaying the air pressures in the rodless cavities of the first cylinder and the second cylinder.

[0018] As an embodiment of the present invention, the cooling structure includes a condenser tube surrounded by the outside of the cooling channel, and a vortex tube for providing cold air is provided on the fixed plate, and the cold air outlet of the vortex tube is connected to the air inlet of the condenser tube.

[0019] As an embodiment of the present invention, the cooling structure includes a refrigeration module, the refrigeration module includes an upper cooling seat and a lower cooling seat, the cooling channel is located between the upper cooling seat and the lower cooling seat, a semiconductor refrigeration plate is provided at the bottom of the lower cooling seat, and a heat sink is provided at the bottom of the semiconductor refrigeration plate.

[0020] Beneficial effects:

[0021] (1) The glue supply system can adjust the supply pressure of two-component glue separately to meet the different requirements of glue supply pressure due to different viscosities of two-component glue;

[0022] (2) The glue supply system can measure the supply amount of two-component glue separately, and push any one of the two-component glue separately according to special needs, with good controllability;

[0023] (3) The open-door rubber cartridge clamping solution is adopted, and the rubber cartridge can be quickly replaced by simply pulling out the limit pin;

[0024] (4) The cooling structure changes the temperature environment of the two-component glue after mixing, increases the fluidity of the glue, and delays the curing time of the glue. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0026] Figure 1 It is a schematic diagram of the external structure of the two-component glue supply device of the present invention;

[0027] Figure 2 for Figure 1 A partial enlarged view of the middle A;

[0028] Figure 3 It is a schematic diagram of the internal structure of the two-component glue supply device of the present invention;

[0029] Figure 4 for Figure 3 A partial enlarged view of point B in the middle;

[0030] Figure 5 It is a structural schematic diagram of the two-component glue supply system of the present invention (the cooling structure is that of Example 1);

[0031] Figure 6 It is a structural schematic diagram of the two-component glue supply system of the present invention (the cooling structure is embodiment 2);

[0032] Figure 7 It is the structural diagram 1 of cooling structure embodiment 1;

[0033] Figure 8 This is a diagram of the overall glue supply system with a controller implementation example.

[0034] Among them, 1. glue supply housing, 2. first cylinder, 3. second cylinder, 4. first rubber cylinder, 5. second rubber cylinder, 6. pointer, 7. glue scale, 8. rubber cylinder limit module, 81. guide column, 9. card plate, 91. card slot, 92. notch, 10. rubber cylinder quick change mechanism, 101. rubber cylinder clamping plate, 102. through hole, 103. opening, 11. rotating arm, 111. U-shaped groove, 12. plug plate, 13. limit column, 14. handle, 15. displacement Sensor, 16, limit sensor, 17, alarm, 18, first pressure gauge, 19, second pressure gauge, 20, fixing plate, 21, two-component dispensing device, 211, glue inlet, 22, needle holder, 23, needle, 24, glue dispensing cylinder, 25, leak-proof valve, 261, condenser, 262, vortex tube, 271, refrigeration module, 272, upper cooling seat, 273, lower cooling seat, 274, semiconductor refrigeration plate, 275, heat sink. DETAILED DESCRIPTION

[0035] like Figures 1 to 4 A two-component glue supply system, comprising a two-component glue supply device and a two-component glue dispensing component,

[0036] The two-component glue supply device includes a glue supply shell 1, in which a first cylinder 2 and a second cylinder 3 are installed, and a first glue cylinder 4 and a second glue cylinder 5 are installed on the glue supply shell 1. The piston of the first cylinder 2 is fixed with a first push rod for pushing the piston inside the first glue cylinder 4, and the piston of the second cylinder 3 is fixed with a second push rod for pushing the piston inside the second glue cylinder 5. Pointers 6 are fixed on the piston rods of the first cylinder 2 and the second cylinder 3, and a glue amount scale 7 is provided on the glue supply shell 1 at the position corresponding to the pointer 6.

[0037] The two-component glue dispensing assembly includes a fixed plate 20, on which a two-component glue dispensing device 21 is provided. The first glue cylinder 4 and the second glue cylinder 5 are respectively connected to the two glue inlets 211 of the two-component glue dispensing device 21. A cooling structure for cooling the glue liquid is also provided at the outlet of the mixing tube of the two-component glue dispensing device 21 on the fixed plate 20. The cooling structure includes a cooling flow channel for the glue liquid to flow through. A needle holder 22 is installed on the fixed plate 20, and the needle holder 22 has a glue outlet pipe. A needle 23 is installed at the outlet of the glue outlet pipe, and the cooling flow channel is communicated with the glue outlet pipe. A glue outlet cylinder 24 is also provided on the fixed plate 20, and the glue outlet cylinder 24 is communicated with the glue outlet pipe, and a leak-proof valve 25 is provided between the glue outlet cylinder 24 and the needle holder 22.

[0038] In actual use, the first rubber cartridge 4 and the second rubber cartridge 5 can be separate bodies, or can be integrated into an integrated AB rubber cartridge.

[0039] The first rubber cartridge 4 and the second rubber cartridge 5 extend out from the rubber supply shell 1. The rubber supply shell 1 is provided with a rubber cartridge limiting module 8 at the extending end of the first rubber cartridge 4 and the second rubber cartridge 5. The rubber cartridge limiting module 8 includes at least two guide pillars 81 fixed on the rubber supply shell 1 and parallel to the first rubber cartridge 4 and the second rubber cartridge 5. A clamping plate 9 for clamping the ends of the first rubber cartridge 4 and the second rubber cartridge 5 to prevent them from slipping out is fixed at the ends of the guide pillars 81. The clamping plate 9 has a clamping hole matching the shape of the ends of the first rubber cartridge 4 and the second rubber cartridge 5. A clamping groove 91 is provided on the side wall of the clamping hole. The ends of the first rubber cartridge 4 and the second rubber cartridge 5 are clamped in the clamping groove 91. The clamping hole has a notch 92 at one side of the clamping plate 9 for facilitating the installation of the ends of the first rubber cartridge 4 and the second rubber cartridge 5. The clamping groove 91 has a notch 92 at one side of the clamping plate 9 for facilitating the installation of the ends of the first rubber cartridge 4 and the second rubber cartridge 5.

[0040] A rubber cartridge quick-change mechanism 10 is fixedly or slidably provided on the rubber cartridge limiting module 8, and the rubber cartridge quick-change mechanism 10 includes a rubber cartridge mounting clamping plate 101, and a through hole 102 matching the guide column 81 is provided on the rubber cartridge mounting clamping block, and a through hole 102 for simultaneously accommodating the first rubber cartridge 4 and the second rubber cartridge 5 and matching the first rubber cartridge 4 and the second rubber cartridge 5 in appearance is provided at the center of the rubber cartridge mounting clamping plate 101, and an opening 103 communicating with the through hole 102 is provided on the side of the rubber cartridge mounting clamping plate 101 corresponding to the slot 92 of the clamping plate 9, and a rotating arm 11 is hinged on one side of the opening 103, and the end of the rotating arm 11 is detachably fixed to the other side of the opening 103.

[0041] A U-shaped groove 111 is provided at the end of the rotating arm 11, and a plug plate 12 matching the U-shaped groove 111 is fixed on the other side of the opening 103. Limiting holes are provided on the plug plate 12 and the U-shaped groove 111 along the axial direction parallel to the guide column 81. The end of the rotating arm 11 is threadedly connected or slidably connected to the limiting column 13, and the limiting column 13 passes through the limiting holes of the plug plate 12 and the U-shaped groove 111 at the same time.

[0042] A manual valve for quickly returning the cylinder to its original position is provided on the glue supply housing 1 , and a handle 14 is connected to the manual valve. The handle 14 is located outside the glue supply housing 1 .

[0043] A displacement sensor 15 for detecting the position of the pointer 6 on the piston rod is installed on the piston rod of the first cylinder 2 and the second cylinder 3.

[0044] A limit sensor 16 for detecting the limit positions of the piston rods of the first cylinder 2 and the second cylinder 3 is also installed on the glue supply housing 1 .

[0045] The glue supply housing 1 is also provided with an alarm 17 for predicting whether the glue has been pushed out.

[0046] The glue supply housing 1 is also provided with a first pressure gauge 18 and a second pressure gauge 19 for correspondingly displaying the air pressures in the rodless chambers of the first cylinder 2 and the second cylinder 3 .

[0047] The glue supply housing 1 is further provided with a first pressure regulating valve and a second pressure regulating valve which are in communication with the first cylinder 2 and the second cylinder 3 respectively.

[0048] The cooling structure has the following embodiments:

[0049] like Figure 5 The cooling structure includes a condenser 261 surrounded by the outside of the cooling channel. A vortex tube 262 for providing cold air is provided on the fixed plate 20 . The cold air outlet of the vortex tube 262 is connected to the air inlet of the condenser 261 .

[0050] like Figures 6-7 The cooling structure includes a refrigeration module 271, the refrigeration module 271 includes an upper cooling seat 272 and a lower cooling seat 273, the cooling channel is located between the upper cooling seat 272 and the lower cooling seat 273, a semiconductor refrigeration sheet 274 is provided at the bottom of the lower cooling seat 273, and a heat sink 275 is provided at the bottom of the semiconductor refrigeration sheet 274.

[0051] Working process: open the first pressure regulating valve and the second pressure regulating valve, turn the handle 14, the first cylinder 2 and the second cylinder 3 respectively drive the push rod to push the piston in the rubber cylinder to push out the glue, and the glue dispensing block can be installed at the rubber cylinder outlet. At the same time, the first cylinder 2 and the second cylinder 3 drive the displacement sensor and the pointer to move. The user can observe with the naked eye to obtain the amount of glue pushed, and feed the data back to the controller, and can also judge whether the glue has been pushed out based on the obtained data. If the glue has been pushed out, the glue amount alarm will sound an alarm. Turn the handle 14, the first cylinder 2 and the second cylinder 3 quickly return to their original positions. At this time, open the rubber cylinder quick-change mechanism 10, take out the corresponding rubber cylinder, and replace it with a new one.

[0052] Automatic control example:

[0053] If automatic control is achieved, Figure 8The glue supply system also includes a controller. The two-component screw pump has two motors, which are respectively connected to screws. Each screw corresponds to the two glue inlets 211. The motor line and signal line of the two-component screw pump are connected to the controller. The first cylinder 2 and the second cylinder 3 on the two-component glue supply device and the alarm device are also controlled by the controller. It has the following advantages:

[0054] (1) It has a glue quantity calibration function. The displacement sensor of the glue supply device transmits the glue supply data to the controller. The controller controls the motor speed according to the algorithm, so that the two-component screw pump can supply glue in proportion to the glue supply of A and B under the premise of meeting the glue dispensing ratio and glue dispensing weight;

[0055] (2) Easy to use. The glue supply device has a quick glue changing mechanism, which is convenient for glue changing. The front panel has a scale and a glue quantity alarm, which can be used to observe the glue supply status of A and B glues. When the glue is used up, an alarm message can be issued.

[0056] It should be understood that the specific embodiments described above are only used to explain the present invention, and are not used to limit the present invention. Obvious changes or modifications derived from the spirit of the present invention are still within the protection scope of the present invention.

Claims

1. A two-component glue supply system, characterized in that : It includes a two-component glue supply device and a two-component glue dispensing component. The two-component glue supply device comprises a glue supply housing (1), a first cylinder (2) and a second cylinder (3) are installed in the glue supply housing (1), a first rubber tube (4) and a second rubber tube (5) are installed on the glue supply housing (1), a first push rod for pushing the piston inside the first rubber tube (4) is fixed to the piston of the first cylinder (2), a second push rod for pushing the piston inside the second rubber tube (5) is fixed to the piston of the second cylinder (3), pointers (6) are fixed to the piston rods of the first cylinder (2) and the second cylinder (3), and a glue amount scale (7) is provided on the glue supply housing (1) at a position corresponding to the pointer (6); The two-component glue dispensing assembly comprises a fixed plate (20), a two-component glue dispensing device (21) is arranged on the fixed plate (20), the first glue cylinder (4) and the second glue cylinder (5) are respectively connected to the two glue inlets (211) of the two-component glue dispensing device (21), a cooling structure for cooling the glue liquid is also arranged at the outlet of the mixing pipe of the two-component glue dispensing device (21) on the fixed plate (20), the cooling structure comprises a cooling flow channel for the glue liquid to flow through, a needle holder (22) is installed on the fixed plate (20), a glue outlet pipe is arranged on the needle holder (22), a needle (23) is installed at the outlet of the glue outlet pipe, the cooling flow channel is communicated with the glue outlet pipe, a glue outlet cylinder (24) is also arranged on the fixed plate (20), the glue outlet cylinder (24) is communicated with the glue outlet pipe, and a leak-proof valve (25) is arranged between the glue outlet cylinder (24) and the needle holder (22); The first rubber cartridge (4) and the second rubber cartridge (5) extend out from the rubber supply housing (1); the rubber supply housing (1) is provided with a rubber cartridge limiting module (8) at the extending ends of the first rubber cartridge (4) and the second rubber cartridge (5); the rubber cartridge limiting module (8) comprises at least two guide pillars (81) fixed on the rubber supply housing (1) and parallel to the first rubber cartridge (4) and the second rubber cartridge (5); a clamping plate (9) for clamping the ends of the first rubber cartridge (4) and the second rubber cartridge (5) to prevent them from falling out is fixed at the ends of the guide pillars (81); the clamping plate (9) has a clamping hole matching the shape of the ends of the first rubber cartridge (4) and the second rubber cartridge (5); a clamping groove (91) is provided on the side wall of the clamping hole; the ends of the first rubber cartridge (4) and the second rubber cartridge (5) are clamped in the clamping groove (91); and a notch (92) for facilitating the insertion of the ends of the first rubber cartridge (4) and the second rubber cartridge (5) is provided at one side of the clamping hole; A rubber cartridge quick-change mechanism (10) is fixedly or slidably provided on the rubber cartridge limiting module (8), and the rubber cartridge quick-change mechanism (10) comprises a rubber cartridge mounting clamping plate (101), and a guide hole matching the guide column (81) is provided on the rubber cartridge mounting clamping plate (101), and a through hole (102) for simultaneously accommodating the first rubber cartridge (4) and the second rubber cartridge (5) and matching the shapes of the first rubber cartridge (4) and the second rubber cartridge (5) is provided at the center of the rubber cartridge mounting clamping plate (101), and an opening (103) communicating with the through hole (102) is provided on the side of the rubber cartridge mounting clamping plate (101) corresponding to the notch (92) of the clamping plate (9), and a rotating arm (11) is hingedly connected to one side of the opening (103), and the end of the rotating arm (11) is detachably fixed to the other side of the opening (103); A U-shaped groove (111) is provided at the end of the rotating arm (11), and a plug plate (12) matching the U-shaped groove (111) is fixed on the other side of the opening (103), and limiting holes are provided on the plug plate (12) and the U-shaped groove (111) along the axial direction parallel to the guide column (81), and the end of the rotating arm (11) is threadedly connected or slidably connected to the limiting column (13), and the limiting column (13) passes through the limiting holes of the plug plate (12) and the U-shaped groove (111) at the same time.

2. A two-component glue supply system according to claim 1, characterized in that: The glue supply housing (1) is provided with a manual valve for quickly returning the cylinder to its original position, the manual valve is connected to a handle (14), and the handle (14) is located outside the glue supply housing (1).

3. A two-component glue supply system according to claim 1, characterized in that: A displacement sensor (15) for detecting the position of a pointer (6) on the piston rod is installed on the piston rods of the first cylinder (2) and the second cylinder (3).

4. A two-component glue supply system according to claim 1, characterized in that: The glue supply housing (1) is also provided with a limit sensor (16) for detecting the limit positions of the piston rods of the first cylinder (2) and the second cylinder (3).

5. A two-component glue supply system according to claim 1, characterized in that: The glue supply housing (1) is also provided with an alarm (17) for predicting whether the glue has been pushed out. The glue supply housing (1) is also provided with a first pressure gauge (18) and a second pressure gauge (19) for correspondingly displaying the air pressure in the rodless chamber of the first cylinder (2) and the second cylinder (3).

6. A two-component glue supply system according to claim 1, characterized in that: The cooling structure comprises a condenser tube (261) surrounded by the outside of the cooling channel, and the fixed plate (20) is provided with a vortex tube (262) for providing cold air, and the cold air outlet of the vortex tube (262) is connected to the air inlet of the condenser tube (261).

7. A two-component glue supply system according to claim 1, characterized in that: The cooling structure comprises a refrigeration module (271), the refrigeration module (271) comprises an upper cooling seat (272) and a lower cooling seat (273), the cooling channel is located between the upper cooling seat (272) and the lower cooling seat (273), a semiconductor refrigeration sheet (274) is provided at the bottom of the lower cooling seat (273), and a heat sink (275) is provided at the bottom of the semiconductor refrigeration sheet (274).

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