Heat conduction paste dispensing mechanism

Abstract

The utility model discloses a heat conduction paste dispensing mechanism which comprises a supporting frame, a transverse moving linear module, a lifting driving module, a mounting seat, a screw valve, a motor, a screw valve connecting piece and a glue outlet nozzle, the transverse moving linear module is horizontally mounted on the supporting frame, and the lifting driving module is mounted on a translation part of the transverse moving linear module. The screw valve is longitudinally mounted on a lifting part of the lifting driving module through a mounting seat, the motor is mounted at the top of the screw valve, the motor is connected with an internal screw of the screw valve and drives the screw to rotate, a glue inlet is formed in the outer wall of the screw valve, and the glue outlet nozzle is connected with a bottom outlet of the screw valve through a screw valve connecting piece. A glue storage cavity communicated with a bottom outlet of the screw valve and the interior of the glue outlet nozzle is formed in the screw valve connecting piece, and a plurality of uniformly arranged glue outlet holes are formed in the bottom of the glue outlet nozzle. The dotted gluing device is simple in structure and reasonable in design, adopts a uniform dotted gluing mode, can improve the gluing uniformity of products, and ensures the gluing quality of the products.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic gluing devices, and more specifically to a thermal paste point mechanism. Background Art

[0002] Many electronic products (such as radiators) need to be coated with thermal paste (also known as thermal conductive glue). The traditional method of gluing is to manually brush a layer of glue on the surface of the product. However, this production method is time-consuming and labor-intensive, has low production efficiency, high cost, unstable product quality, and low product qualification rate. For this reason, many automatic gluing devices are currently available on the market, including a glue brushing station, a glue brushing oil cup, a transfer mobile module, a transfer lifting cylinder, and a transfer head. The top of the glue brushing station is provided with a glue storage position, and the transfer mobile module is installed on one side of the glue brushing station. The glue brushing oil cup and the transfer lifting cylinder are both installed on the moving block of the transfer mobile module through a transfer bracket. The glue brushing oil cup is located above the glue brushing station, and the output part of the transfer lifting cylinder is connected to the transfer head. When working, the transfer head can transfer the colloid on the glue storage position of the glue brushing station to the surface of the product. However, this type of automatic gluing equipment has the problem of uneven glue coating, which affects the quality of the product. Utility Model Content

[0003] The purpose of the utility model is to overcome the above-mentioned defects in the prior art and provide a point thermal paste mechanism which adopts a uniform point-shaped gluing method, can improve the uniformity of product gluing and ensure the gluing quality of the product.

[0004] To achieve the above-mentioned purpose, the utility model provides a point thermal paste mechanism, including a support frame, a transverse linear module, a lifting drive module, a mounting seat, a screw valve, a motor, a screw valve connector and a glue discharge nozzle, the transverse linear module is horizontally mounted on the support frame, the lifting drive module is mounted on the translational part of the transverse linear module, the screw valve is longitudinally mounted on the lifting part of the lifting drive module through the mounting seat, the motor is mounted on the top of the screw valve, the output shaft of the motor is connected to the upper end of the internal screw of the screw valve and drives it to rotate, the outer wall of the screw valve is provided with a glue inlet connected to the interior thereof, the glue discharge nozzle is connected to the bottom outlet of the screw valve through the screw valve connector, the interior of the screw valve connector is provided with a glue storage cavity connecting the bottom outlet of the screw valve and the inside of the glue discharge nozzle, and the bottom of the glue discharge nozzle is provided with a plurality of evenly arranged glue discharge holes.

[0005] Preferably, a glue barrel is connected to the glue inlet of the screw valve.

[0006] Preferably, the mounting seat is configured as a buffer elastic seat with spring buffer.

[0007] Preferably, the cross-sectional shape of the glue storage cavity is set to be an isosceles trapezoid.

[0008] Preferably, the support frame is provided with a product pressing device for pressing the product during the process of applying the thermal paste, and the product pressing device is located on one side of the screw valve.

[0009] Preferably, the product pressing device includes a cylinder mounting plate, a lifting cylinder and a pressing plate. The lifting cylinder is mounted on a support frame via the cylinder mounting plate. The lifting cylinder is transmission-connected to the pressing plate and drives it to move up and down.

[0010] Compared with the prior art, the beneficial effects of the present invention are:

[0011] The utility model has a simple structure and a reasonable design. It adopts a uniform dot-shaped gluing method. The motor can open the screw valve, so that the thermal conductive paste inside it enters the screw valve connector and the glue outlet nozzle in sequence, and finally the thermal conductive paste is evenly applied to the surface of the product through a plurality of evenly arranged glue outlet holes at the bottom of the glue outlet nozzle. The uniformity of gluing of the product can be improved, and the gluing quality of the product can be ensured. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a structural schematic diagram of a thermal conductive paste point mechanism provided by an embodiment of the utility model;

[0014] Figure 2 It is a cross-sectional view of the main body of the thermal conductive paste point mechanism provided by the embodiment of the utility model;

[0015] Figure 3 It is a cross-sectional view of a screw valve connector, a glue outlet nozzle and a product provided in an embodiment of the utility model. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] Please refer to Figure 1An embodiment of the utility model provides a point thermal paste mechanism, including a support frame 1, a lateral linear module 2, a lifting drive module 3, a mounting seat 4, a screw valve 5, a motor 6, a screw valve connector 7 and a glue nozzle 8. The various components of this embodiment are described in detail below in conjunction with the accompanying drawings.

[0018] like Figure 1 As shown, the traverse linear module 2 is horizontally mounted on the support frame 1, and the lifting drive module 3 is mounted on the translational portion of the traverse linear module 2. In specific implementation, the traverse linear module 2 and the lifting drive module 3 can adopt the XZ axis moving modules commonly available on the market.

[0019] like Figure 1 As shown, the screw valve 5 is longitudinally mounted on the lifting part of the lifting drive module 3 through the mounting seat 4. In this embodiment, preferably, the mounting seat 4 can be set as a buffer elastic seat with spring buffer, so as to avoid the glue nozzle 8 from colliding with the product, causing the product or the glue nozzle 8 to wear.

[0020] like Figure 1 and Figure 2 As shown, the motor 6 is installed on the top of the screw valve 5, the output shaft of the motor 6 is connected to the upper end of the internal screw 51 of the screw valve 5 and drives it to rotate, and a glue inlet connected to the interior of the screw valve 5 is provided on the outer wall of the screw valve 5, and a glue barrel 9 for storing thermal paste can be connected to the glue inlet of the screw valve 5.

[0021] like Figure 2 and Figure 3 As shown, the glue nozzle 8 is connected to the bottom outlet of the screw valve 5 through the screw valve connector 7. The interior of the screw valve connector 7 is provided with a glue storage cavity 71 connecting the bottom outlet of the screw valve 5 and the inside of the glue nozzle 8. The bottom of the glue nozzle 8 is provided with a plurality of evenly arranged glue outlet holes 81.

[0022] Preferably, in this embodiment, the cross-sectional shape of the glue storage cavity 71 can be set to be an isosceles trapezoid, so that the volume of the glue storage cavity 71 gradually increases from bottom to bottom.

[0023] As a further improvement of this embodiment, Figure 1 As shown, the support frame 1 may also be provided with a product pressing device for pressing the product during the process of applying the thermal paste, and the product pressing device is located on one side of the screw valve 5 .

[0024] Specifically, the product pressing device may include a cylinder mounting plate 10, a lifting cylinder 11 and a pressing plate 12. The lifting cylinder 11 is installed on the support frame 1 through the cylinder mounting plate 10. The lifting cylinder 11 is transmission-connected to the pressing plate 12 and drives it to move up and down.

[0025] When the product 20 to be glued is transferred, the lifting cylinder 11 drives the pressing plate 12 to move downward to press the local position of the product 20, and the glue nozzle 8 can be moved to the top of the product 20 under the drive of the lateral linear module 2 and the lifting drive module 3 (see FIG. Figure 3 ), then the motor starts to open the screw valve 5, so that the thermal paste inside it enters the screw valve connector 7 and the glue nozzle 8 in turn, and finally the thermal paste is evenly applied to the surface of the product through a number of evenly arranged glue holes 81 at the bottom of the glue nozzle 8.

[0026] In summary, the utility model has a simple structure, a reasonable design, and adopts a uniform dot-shaped gluing method, which can improve the uniformity of product gluing and ensure the gluing quality of the product.

[0027] The above embodiments are preferred implementation modes of the present invention, but the implementation modes of the present invention are not limited by the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principle of the present invention should be equivalent replacement methods and are included in the protection scope of the present invention.

Claims

1. A thermal paste point mechanism, characterized in that: It includes a support frame, a transverse linear module, a lifting drive module, a mounting seat, a screw valve, a motor, a screw valve connector and a glue discharge nozzle, the transverse linear module is horizontally mounted on the support frame, the lifting drive module is mounted on the translational part of the transverse linear module, the screw valve is longitudinally mounted on the lifting part of the lifting drive module through the mounting seat, the motor is mounted on the top of the screw valve, the output shaft of the motor is connected to the upper end of the internal screw of the screw valve and drives it to rotate, the outer wall of the screw valve is provided with a glue inlet connected to the interior thereof, the glue discharge nozzle is connected to the bottom outlet of the screw valve through the screw valve connector, the interior of the screw valve connector is provided with a glue storage cavity connecting the bottom outlet of the screw valve and the inside of the glue discharge nozzle, and the bottom of the glue discharge nozzle is provided with a plurality of evenly arranged glue discharge holes.

2. A thermal conductive paste point mechanism according to claim 1, characterized in that: The glue inlet of the screw valve is connected with a glue barrel.

3. A thermal conductive paste point mechanism according to claim 1, characterized in that: The mounting seat is configured as a buffer elastic seat with spring buffering.

4. The thermal conductive paste point mechanism according to claim 1, characterized in that: The cross-sectional shape of the glue storage cavity is set to be an isosceles trapezoid.

5. A thermal paste point mechanism according to any one of claims 1 to 4, characterized in that: The support frame is provided with a product pressing device for pressing the product during the process of applying the thermal conductive paste, and the product pressing device is located on one side of the screw valve.

6. A thermal conductive paste point mechanism according to claim 5, characterized in that: The product pressing device includes a cylinder mounting plate, a lifting cylinder and a pressing plate. The lifting cylinder is mounted on a support frame through the cylinder mounting plate. The lifting cylinder is transmission-connected to the pressing plate and drives it to move up and down.

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