Feeding device for dispensing glue on circuit board

Abstract

The utility model discloses a circuit board dispensing feeding device which comprises a base, a machine body connected to the front face of the base in a sliding mode, material tanks arranged on the two sides of the back face of the machine body and a pump body communicated with the surface of the machine body and capable of extracting glue in the material tanks. The pressurizing structure comprises a pressurizing tank communicated to the top of the charging bucket, a pressing plate is slidably connected to the interior of the pressurizing tank, a screw rod is fixedly connected to the top of the pressing plate, and the top end of the screw rod penetrates through the pressurizing tank and extends to the top of the pressurizing tank. The transmission structure carries the pressing plate to move downwards, the pressing plate rapidly extrudes air in the pressurizing tank into the material tank in the moving process, the pressure in the material tank is increased, glue is extruded into the pump body, and therefore the effect of improving the pumping stability of the pump body is achieved, the pump body is prevented from pumping air into an inner cavity of the glue, and the service life of the pump body is prolonged. And the pumping continuity of the pump body is prevented from being influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board glue dispensing, in particular to a feeding device for circuit board glue dispensing. Background Art

[0002] Circuit board dispensing is an important step in the manufacturing process of electronic equipment or products. It mainly improves the shock resistance, vibration resistance, waterproofness, dustproofness, corrosion resistance and sealing and fixation of electronic equipment by adding glue on circuit boards, connectors, LEDs and other devices, thereby improving the performance of electronic products. Circuit board dispensing technology is widely used in communication equipment, automotive electronics, industrial control, medical equipment and aerospace and other fields.

[0003] For example, the patent application number disclosed on the China Patent Network is: 202322719165.1, and the patent name is: A circuit board dispensing device, comprising a workbench; a dispensing assembly is provided on the workbench, and the dispensing assembly includes a sliding block for dispensing glue to the circuit board; a telescopic rod is fixedly connected to the bottom of the sliding block; the output end of the telescopic rod is fixedly connected to a working box; the end of the working box not connected to the telescopic rod is fixedly connected to a dispensing tube, by placing the circuit board on the workbench, and then using the fixing clamp to fix the circuit board, and then using the telescopic rod at the bottom of the sliding block to move up and down, the working box and the dispensing tube at the bottom of the working box are brought close to the circuit board, and the dispensing tube is used to dispense glue to the circuit board. After the dispensing is completed, the heating tubes in the heating chambers at both ends of the workbench are started to dry the glue on the circuit board to allow the glue to solidify, so as to prevent the unsolidified glue on the circuit board from flowing everywhere, causing other parts to be contaminated or damaged, and making the entire circuit board unusable.

[0004] However, the existing dispensing device mainly performs feeding operations by direct pumping. The viscous glue is prone to gaps due to the slow flow rate during the extraction process, which affects the continuity of the pump extraction.

[0005] Therefore, it is necessary to redesign the feeding device for circuit board dispensing. Utility Model Content

[0006] In order to solve the problems raised in the above-mentioned background technology, the purpose of the present utility model is to provide a feeding device for circuit board dispensing, which has the advantage of improving feeding stability and solves the problem that the existing dispensing device mainly performs feeding operation by direct pumping, and the viscous glue is prone to gaps due to slow flow speed during the extraction process, which affects the continuity of pump extraction.

[0007] To achieve the above-mentioned purpose, the present utility model provides the following technical solutions: a feeding device for dispensing glue on a circuit board, comprising a base;

[0008] A body slidably connected to the front of the base;

[0009] Material tanks are arranged on both sides of the back of the machine body;

[0010] A pump body connected to the surface of the machine body and capable of extracting glue from the inside of the tank;

[0011] A pressurizing structure is provided on the top of the material tank, and the pressurizing structure includes a pressurizing tank connected to the top of the material tank, a pressure plate is slidably connected to the inside of the pressurizing tank, and a screw is fixedly connected to the top of the pressure plate. The top of the screw passes through the pressurizing tank and extends to the top of the pressurizing tank. A transmission structure is provided on the top of the pressurizing tank, and the transmission structure can drive the pressure plate to rise and fall.

[0012] As a preferred embodiment of the present invention, the transmission structure includes a sleeve block movably connected to the top of the pressurized tank through a bearing, the sleeve block is sleeved on the surface of the screw, and the sleeve block and the screw are threadedly connected.

[0013] As a preferred embodiment of the present invention, the top end of the screw is movably connected to a linkage plate through a bearing, and both sides of the bottom of the linkage plate are fixedly connected to guide rods, and the bottom end of the guide rod passes through the pressurized tank and is fixedly connected to the top of the pressure plate.

[0014] As a preferred embodiment of the present invention, a dual-axis motor is provided on the top of the pump body, and the output end at the bottom of the dual-axis motor can drive the pump body to operate. The output end at the top of the dual-axis motor and the surface of the sleeve block are fixedly connected with pulleys, and the pulleys are connected through belt transmission.

[0015] As a preferred embodiment of the present invention, a baffle is fixedly connected to the front side of the machine body, and the pulley and the belt are both located at the bottom of the baffle.

[0016] As a preferred embodiment of the present invention, a piston is fixedly connected to the bottom of the pressure plate, a side of the piston away from the pressure plate is in contact with the inner surface of the pressurized tank, and the piston is elastic.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0018] 1. The utility model carries the pressure plate downward through the transmission structure. During the movement, the pressure plate quickly squeezes the air inside the pressurized tank into the material tank, increases the internal pressure of the material tank and squeezes the glue into the pump body, thereby achieving the effect of improving the pump body's extraction stability, avoiding the pump body from extracting the gas in the glue cavity, and preventing the pump body's extraction continuity from being affected.

[0019] 2. The utility model is provided with a sleeve block, which can drive the screw to rise and fall vertically during the rotation process, reduce the running amount of the pressure plate at the bottom end of the screw, and avoid the formation of a gap between the pressure plate and the pressurized tank.

[0020] 3. The utility model can limit the screw by setting the linkage plate and the guide rod, so as to prevent the screw from rotating with the sleeve block during the movement.

[0021] 4. The utility model can automatically drive the screw to rotate by setting up a dual-axis motor, a pulley and a belt, saving the operating steps of setting up additional driving equipment.

[0022] 5. The utility model can improve the safety of the machine body and reduce the contact area between the transmission structure and the external environment by setting the baffle.

[0023] 6. The utility model can improve the sealing effect of the pressure plate and reduce pressure leakage by setting a piston. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the structure of the utility model;

[0025] Figure 2 It is a schematic diagram of the local structure of the utility model;

[0026] Figure 3 This is a schematic diagram of the main view of the local structure of the utility model;

[0027] Figure 4 It is a left side schematic diagram of the local structure of the utility model.

[0028] In the figure: 1. Base; 2. Machine body; 3. Material tank; 4. Pump body; 5. Pressurization structure; 6. Pressurization tank; 7. Pressing plate; 8. Screw; 9. Transmission structure; 10. Bushing; 11. Linkage plate; 12. Guide rod; 13. Dual-axis motor; 14. Pulley; 15. Belt; 16. Baffle; 17. Piston. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] like Figures 1 to 4 As shown, the utility model provides a feeding device for dispensing glue on a circuit board, comprising a base 1;

[0031] A body 2 slidably connected to the front of the base 1;

[0032] The material tanks 3 are arranged on both sides of the back of the machine body 2;

[0033] A pump body 4 connected to the surface of the body 2 and capable of extracting glue from the inside of the tank 3;

[0034] A pressurizing structure 5 is provided on the top of the material tank 3. The pressurizing structure 5 includes a pressurizing tank 6 connected to the top of the material tank 3. A pressure plate 7 is slidably connected inside the pressurizing tank 6. A screw 8 is fixedly connected to the top of the pressure plate 7. The top of the screw 8 passes through the pressurizing tank 6 and extends to the top of the pressurizing tank 6. A transmission structure 9 is provided on the top of the pressurizing tank 6, and the transmission structure 9 can drive the pressure plate 7 to rise and fall.

[0035] refer to Figure 2 The transmission structure 9 includes a sleeve block 10 movably connected to the top of the pressurized tank 6 through a bearing. The sleeve block 10 is sleeved on the surface of the screw 8, and the sleeve block 10 and the screw 8 are threadedly connected.

[0036] As a technical optimization solution of the present invention, by setting the sleeve block 10, the screw 8 can be driven to rise and fall vertically during the rotation process, reducing the running amount of the pressure plate 7 at the bottom end of the screw 8 and avoiding the formation of a gap between the pressure plate 7 and the pressurized tank 6.

[0037] refer to Figure 3 The top of the screw 8 is movably connected to a linkage plate 11 through a bearing, and both sides of the bottom of the linkage plate 11 are fixedly connected to a guide rod 12. The bottom end of the guide rod 12 passes through the pressurized tank 6 and is fixedly connected to the top of the pressure plate 7.

[0038] As a technical optimization solution of the present invention, by providing the linkage plate 11 and the guide rod 12, the screw rod 8 can be limited to prevent the screw rod 8 from rotating with the sleeve block 10 during the movement.

[0039] refer to Figure 4 A dual-axis motor 13 is provided on the top of the pump body 4. The output end at the bottom of the dual-axis motor 13 can drive the pump body 4 to operate. The output end at the top of the dual-axis motor 13 and the surface of the sleeve block 10 are fixedly connected with a pulley 14, and the pulley 14 is connected through a belt 15.

[0040] As a technical optimization solution of the present invention, by setting a dual-axis motor 13, a pulley 14 and a belt 15, the screw 8 can be automatically driven to rotate, saving the operation steps of setting up additional driving equipment.

[0041] refer to Figure 1 A baffle 16 is fixedly connected to the front of the machine body 2 , and the pulley 14 and the belt 15 are both located at the bottom of the baffle 16 .

[0042] As a technical optimization solution of the present invention, by providing the baffle 16 , the safety of the machine body 2 can be improved and the contact area between the transmission structure 9 and the external environment can be reduced.

[0043] refer to Figure 4The bottom of the pressure plate 7 is fixedly connected with a piston 17, and the side of the piston 17 away from the pressure plate 7 contacts the inner surface of the pressurized tank 6, and the piston 17 is elastic.

[0044] As a technical optimization solution of the present invention, by providing the piston 17, the sealing effect of the pressure plate 7 can be improved and the pressure leakage can be reduced.

[0045] The working principle and usage process of the utility model: When in use, the glue inside the material tank 3 is extracted through the pump body 4 and injected into the body 2 for dispensing operation. During the rotation of the dual-axis motor 13 used to drive the pump body 4, the dual-axis motor 13 can use the pulley 14 and the belt 15 to drive the sleeve 10 to rotate. During the rotation of the sleeve 10, the internal thread is used to push the screw 8 to move downward, and the screw 8 carries the pressure plate 7 to move synchronously. During the movement, the pressure plate 7 quickly squeezes the air inside the pressurized tank 6 into the material tank 3, increases the internal pressure of the material tank 3 and squeezes the glue into the pump body 4, thereby achieving the effect of improving the extraction stability of the pump body 4.

[0046] To sum up: the feeding device for dispensing glue on circuit boards carries the pressure plate 7 downward through the transmission structure 9. During the movement, the pressure plate 7 quickly squeezes the air inside the pressurized tank 6 into the material tank 3, thereby increasing the internal pressure of the material tank 3 and squeezing the glue into the pump body 4, thereby achieving the effect of improving the extraction stability of the pump body 4, avoiding the pump body 4 from extracting the gas in the cavity inside the glue, and preventing the extraction continuity of the pump body 4 from being affected.

[0047] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0048] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A feeding device for dispensing glue on a circuit board, comprising a base (1); A body (2) slidably connected to the front of the base (1); Material tanks (3) are arranged on both sides of the back of the machine body (2); A pump body (4) connected to the surface of the machine body (2) and capable of extracting glue from the inside of the tank (3); Its characteristics are: A pressurizing structure (5) is provided on the top of the material tank (3), and the pressurizing structure (5) includes a pressurizing tank (6) connected to the top of the material tank (3), a pressure plate (7) is slidably connected inside the pressurizing tank (6), and a screw (8) is fixedly connected to the top of the pressure plate (7), and the top of the screw (8) passes through the pressurizing tank (6) and extends to the top of the pressurizing tank (6). A transmission structure (9) is provided on the top of the pressurizing tank (6), and the transmission structure (9) can drive the pressure plate (7) to rise and fall.

2. A feeding device for dispensing glue on a circuit board according to claim 1, characterized in that: The transmission structure (9) includes a sleeve block (10) movably connected to the top of the pressurized tank (6) through a bearing, the sleeve block (10) is sleeved on the surface of the screw (8), and the sleeve block (10) and the screw (8) are threadedly connected.

3. A feeding device for dispensing glue on a circuit board according to claim 2, characterized in that: The top end of the screw rod (8) is movably connected to a linkage plate (11) via a bearing, and both sides of the bottom of the linkage plate (11) are fixedly connected to guide rods (12), and the bottom end of the guide rod (12) passes through the pressurized tank (6) and is fixedly connected to the top of the pressure plate (7).

4. A feeding device for dispensing glue on a circuit board according to claim 2, characterized in that: A dual-axis motor (13) is provided on the top of the pump body (4), and an output end at the bottom of the dual-axis motor (13) can drive the pump body (4) to operate. A pulley (14) is fixedly connected to the output end at the top of the dual-axis motor (13) and the surface of the sleeve (10), and the pulley (14) is connected through a belt (15).

5. A feeding device for dispensing glue on a circuit board according to claim 4, characterized in that: A baffle (16) is fixedly connected to the front of the machine body (2), and the pulley (14) and the belt (15) are both located at the bottom of the baffle (16).

6. The feeding device for dispensing glue on a circuit board according to claim 1, characterized in that: A piston (17) is fixedly connected to the bottom of the pressure plate (7), and a side of the piston (17) away from the pressure plate (7) contacts the inner surface of the pressurized tank (6), and the piston (17) is elastic.

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