Abrasion resistant thermal spray device for red copper heat sink substrate

Abstract

The utility model provides a kind of red copper heat dissipation substrate's anti-ablation thermal spraying device, it is related to thermal spraying technical field, including material conveying table, the inside of material conveying table is hollow, and it is penetrated to both sides, the inside wall of both sides of material conveying table is all set with conveying groove, the inside wall of one side of two conveying grooves is equally spaced rotationally provided with multiple conveying rollers near top and bottom edge, the inside of material conveying table is provided with substrate body, the inside of both sides of substrate body is all extended to the inside of conveying groove, and with the outer surface of conveying roller mutually adheres, the utility model, substrate body needing thermal spraying is placed in the inside of material conveying table, and the edge of both sides of substrate body is adhered by multiple conveying rollers, to generate friction force so that it can transport substrate body, substrate body can trigger sensing control component when conveying, and the edge contact surface of substrate body is handled by thermal spraying by sensing control component trigger spraying component.

Description

Technical Field

[0001] This utility model relates to the field of thermal spraying technology, and in particular to an anti-abrasion thermal spraying device for a copper heat dissipation substrate. Background Technology

[0002] The heat dissipation substrate is the core heat dissipation structure and channel of the IGBT power module, and it is also an important component with a high value in the module. The heat dissipation substrate of automotive-grade power semiconductor module must have good thermal conductivity, a thermal expansion coefficient that matches the chip and copper-clad ceramic substrate, and sufficient hardness and durability. Therefore, the mounting contact surface of the heat dissipation substrate needs to be treated with anti-abrasion thermal spraying during production.

[0003] Currently, copper is used as the main material when producing heat dissipation substrates for GBT power modules. When applying anti-abrasion thermal spraying to the mounting contact surface of the copper heat dissipation substrate, the copper heat dissipation substrate needs to be cold-forged first, and then a robotic arm drives the thermal spraying gun to perform thermal spraying on the mounting contact surface according to a specific trajectory. This processing method requires the use of a robotic arm and programmed trajectory to complete the process. The robotic arm needs many working cycles to move along the trajectory, which is inefficient and not conducive to rapid production in actual production. Utility Model Content

[0004] In order to solve the problems of the prior art, this utility model provides an anti-abrasion thermal spraying device for a copper heat dissipation substrate.

[0005] To solve the above-mentioned technical problems, the basic concept of the technical solution adopted by this utility model is as follows:

[0006] A wear-resistant thermal spraying device for a copper heat dissipation substrate includes a conveying platform. The conveying platform is hollow inside and extends to both sides. Conveying grooves are provided on the inner walls of both sides of the conveying platform. Multiple conveying rollers are equidistantly and rotatably arranged on one side inner wall of the two conveying grooves near the top and bottom edges. The substrate body is provided inside the conveying platform. Both sides of the substrate body extend into the interior of the conveying grooves and are in contact with the outer surface of the conveying rollers.

[0007] Optionally, guide blocks are fixed on one side of the conveying platform at the top and bottom of the two conveying troughs, and pallets are fixed on the other side of the conveying platform at the bottom of the two conveying troughs. A through-hole is provided on the top of the conveying platform to extend into the interior.

[0008] Optionally, a spraying assembly is installed on the top of the material handling platform near both side edges, and a sensor control assembly is installed inside both sides of the material handling platform.

[0009] Optionally, the spraying assembly includes multiple thermal spray heads, which are equidistantly fixed on the inner top surface of the conveying platform near the edge of the side wall. Multiple injection pipes that communicate with the thermal spray heads are equidistantly fixed on the top of the conveying platform.

[0010] Optionally, a reciprocating cavity is provided in the inner wall of the conveying platform. The reciprocating cavity is interconnected with multiple injection pipes. A reciprocating plate is slidably arranged inside the reciprocating cavity. Multiple through holes are equidistantly opened on the top of the reciprocating plate, and the multiple through holes are all opposite to the injection pipes.

[0011] Optionally, a rectangular cavity is provided in the side wall of the conveying platform, one end of the reciprocating plate extends into the interior of the rectangular cavity, and a second spring is fixed between one end of the reciprocating plate and one side inner wall of the rectangular cavity.

[0012] Optionally, the sensing and control component includes an adjustment block, an adjustment cavity is provided in the side wall of the conveying platform, the adjustment block slides inside the adjustment cavity, and an annular conical groove is provided on the outer surface of the adjustment block.

[0013] Optionally, a first spring is fixed between the top of the adjusting block and the inner top surface of the adjusting cavity, and a contact rod is fixed at the bottom of the adjusting block. The bottom of the contact rod slides through the inside of the conveying groove, and the other end of the reciprocating plate slides through the inside of the adjusting cavity and extends into the annular conical groove.

[0014] By adopting the above technical solution, this utility model has the following beneficial effects compared with the prior art. Of course, any product implementing this utility model does not necessarily need to achieve all of the following advantages at the same time:

[0015] 1. In this utility model, the substrate body to be thermally sprayed is placed inside the conveying table, and multiple conveying rollers are attached to the two side edges of the substrate body to generate friction so that the substrate body can be conveyed. During the conveying, the substrate body will trigger the sensing and control component, which will trigger the spraying component to perform thermal spraying on the edge contact surface of the substrate body.

[0016] 2. In this utility model, when the sensing and control component is working, the substrate body is conveyed into the conveying platform. During the conveying process, when the top edge of the substrate body contacts the bottom of the contact rod extending into the conveying groove, the contact rod will be lifted upward. When the contact rod is lifted upward, it will drive the adjusting block to slide upward inside the adjusting cavity, thereby sliding the reciprocating plate towards the rectangular cavity, so that the through hole on the reciprocating plate is aligned with the injection tube. At this time, the material inside the injection tube can be injected into the interior of the thermal spray head through the through hole, and the substrate body is sprayed by the thermal spray head. At this time, the spraying component is in the open state. Attached Figure Description

[0017] The accompanying drawings described below are merely some embodiments. Those skilled in the art can obtain other drawings based on these drawings without any creative effort. In the drawings:

[0018] Figure 1 This utility model provides a top-view three-dimensional structural diagram of an anti-abrasion thermal spraying device for a copper heat dissipation substrate.

[0019] Figure 2 This utility model provides a side-view three-dimensional structural diagram of an anti-abrasion thermal spraying device for a copper heat dissipation substrate.

[0020] Figure 3 This utility model provides a cross-sectional three-dimensional structural diagram of an anti-abrasion thermal spraying device for a copper heat dissipation substrate.

[0021] Figure 4 This utility model Figure 3 A magnified view of point A in the middle.

[0022] The attached diagram lists the components represented by each number as follows:

[0023] 1. Feeding platform; 2. Through port; 3. Injection pipe; 4. Conveying trough; 5. Guide block; 6. Support plate; 7. Base plate body; 8. Conveying roller; 9. Thermal spray head; 10. Adjusting cavity; 11. Adjusting block; 12. Annular conical groove; 13. First spring; 14. Contact rod; 15. Reciprocating cavity; 16. Rectangular cavity; 17. Reciprocating plate; 18. Through hole; 19. Second spring.

[0024] It should be noted that these accompanying drawings and textual descriptions are not intended to limit the scope of the present invention in any way, but rather to illustrate the concept of the present invention to those skilled in the art by referring to specific embodiments. Detailed Implementation

[0025] The present invention will now be described in further detail with reference to the accompanying drawings.

[0026] Example 1, such as Figure 1-4As shown, this utility model provides a technical solution for an anti-abrasion thermal spraying device for a copper heat dissipation substrate: it includes a conveying platform 1, the interior of which is hollow and extends to both sides. Conveying grooves 4 are provided on the inner walls of both sides of the conveying platform 1. Multiple conveying rollers 8 are equidistantly and rotatably arranged on one side of the inner wall of each conveying groove 4 near the top and bottom edges. A substrate body 7 is provided inside the conveying platform 1, with both sides of the substrate body 7 extending into the interior of the conveying grooves 4 and fitting against the outer surfaces of the conveying rollers 8. Guide blocks 5 are fixed on one side of the conveying platform 1 at the top and bottom of each of the two conveying grooves 4, and a support plate 6 is fixed on the other side of the conveying platform 1 at the bottom of each of the two conveying grooves 4. A through-hole 2 extending into the interior is provided on the top of the conveying platform 1. Spraying components are provided on the top of the conveying platform 1 near the edges of both sides. Sensing and control components are provided inside both sides of the conveying platform 1.

[0027] The effect achieved by the entire embodiment 1 is that the substrate body 7 to be thermally sprayed is placed inside the conveying table 1, and multiple conveying rollers 8 are attached to the two side edges of the substrate body 7 to generate friction so that the substrate body 7 can be conveyed. During the conveying, the substrate body 7 will trigger the sensing and control component, and the spraying component will trigger the spraying component to perform thermal spraying treatment on the edge contact surface of the substrate body 7.

[0028] Example 2, as Figure 1-4 As shown, the spraying assembly includes multiple thermal spray heads 9, which are equidistantly fixed to the inner top surface of the conveying platform 1 near the edge of the side wall. Multiple injection pipes 3, communicating with the thermal spray heads 9, are equidistantly fixed to the top of the conveying platform 1. A reciprocating cavity 15 is formed in the inner wall of the conveying platform 1, and the reciprocating cavity 15 penetrates the multiple injection pipes 3. A reciprocating plate 17 is slidably arranged inside the reciprocating cavity 15. Multiple through holes 18 are equidistantly formed on the top of the reciprocating plate 17, and each through hole 18 is opposite to one of the injection pipes 3. A rectangular cavity 16 is formed in the side wall of the conveying platform 1, and one end of the reciprocating plate 17 extends into the rectangular cavity 16. A second spring 19 is fixed between one end of the composite plate 17 and one side inner wall of the rectangular cavity 16. The sensing and control assembly includes an adjustment block 11. An adjustment cavity 10 is opened in the side wall of the conveying platform 1. The adjustment block 11 is slidably located inside the adjustment cavity 10. An annular conical groove 12 is opened on the outer surface of the adjustment block 11. A first spring 13 is fixed between the top of the adjustment block 11 and the inner top surface of the adjustment cavity 10. A contact rod 14 is fixed at the bottom of the adjustment block 11. The bottom of the contact rod 14 slides through the interior of the conveying groove 4 and slides through the other end of the composite plate 17 into the interior of the adjustment cavity 10, and extends into the annular conical groove 12.

[0029] The effect achieved by the entire embodiment 2 is that when the sensing and control component is working, as the substrate body 7 is conveyed into the conveying table 1, when the top edge of the substrate body 7 contacts the bottom of the contact rod 14 extending into the conveying groove 4, the contact rod 14 will be lifted upward. When the contact rod 14 is lifted upward, it will drive the adjusting block 11 to slide upward inside the adjusting cavity 10, thereby sliding the reciprocating plate 17 into the rectangular cavity 16, so that the through hole 18 on the reciprocating plate 17 is opposite to the injection tube 3. At this time, the material inside the injection tube 3 can be injected into the interior of the thermal spray head 9 through the through hole 18, and the substrate body 7 is sprayed by the thermal spray head 9. At this time, the spraying component is in the open state.

[0030] Working principle: The substrate body 7 to be thermally sprayed is placed inside the conveying table 1. Multiple conveying rollers 8 are attached to the two side edges of the substrate body 7, thereby generating friction to convey the substrate body 7. During conveying, the substrate body 7 triggers the sensing and control component, which in turn triggers the spraying component to perform thermal spraying on the edge contact surface of the substrate body 7. When the sensing and control component is working, as the substrate body 7 is conveyed into the conveying table 1, when the top edge of the substrate body 7 contacts the bottom of the contact rod 14 extending into the conveying groove 4, the contact rod 14 will be lifted upward. When the contact rod 14 is lifted upward, it will drive the adjusting block 11 to slide upward inside the adjusting cavity 10, thereby sliding the reciprocating plate 17 towards the rectangular cavity 16, so that the through hole 18 on the reciprocating plate 17 is aligned with the injection tube 3. At this time, the material inside the injection tube 3 can be injected into the interior of the thermal spraying head 9 through the through hole 18, and the substrate body 7 is sprayed by the thermal spraying head 9. At this time, the spraying component is in the open state.

[0031] This utility model is not limited to the above-described embodiments. Anyone should know that structural changes made under the guidance of this utility model, and any technical solutions that are the same as or similar to this utility model, fall within the protection scope of this utility model. Technical aspects, shapes, and structures not described in detail in this utility model are all publicly known technologies.

Claims

1. An anti-abrasion thermal spraying device for a copper heat dissipation substrate, comprising a conveying table (1), characterized in that: The inside of the conveying platform (1) is hollow and extends to both sides. Conveying grooves (4) are provided on the inner walls of both sides of the conveying platform (1). Multiple conveying rollers (8) are equidistantly arranged on the inner walls of one side of the two conveying grooves (4) near the top and bottom edges. A base plate body (7) is provided inside the conveying platform (1). Both sides of the base plate body (7) extend into the inside of the conveying grooves (4) and are in contact with the outer surface of the conveying rollers (8).

2. The anti-abrasion thermal spraying device for a copper heat dissipation substrate according to claim 1, characterized in that: One side of the conveying platform (1) is fixed with guide blocks (5) at the top and bottom of the two conveying troughs (4), and the other side of the conveying platform (1) is fixed with trays (6) at the bottom of the two conveying troughs (4). The top of the conveying platform (1) has a through-hole (2) that extends into the interior.

3. The anti-abrasion thermal spraying device for a copper heat dissipation substrate according to claim 1, characterized in that: The top of the material conveying platform (1) is equipped with a spraying component near both sides, and the inside of both sides of the material conveying platform (1) is equipped with a sensing and control component.

4. The anti-abrasion thermal spraying device for a copper heat dissipation substrate according to claim 3, characterized in that: The spraying assembly includes multiple thermal spray heads (9), which are fixed at equal intervals on the inner top surface of the conveying platform (1) near the edge of the side wall. Multiple injection pipes (3) that communicate with the thermal spray heads (9) are fixed at equal intervals on the top of the conveying platform (1).

5. The anti-abrasion thermal spraying device for a copper heat dissipation substrate according to claim 4, characterized in that: The inner wall of the conveying platform (1) is provided with a reciprocating cavity (15), which is connected to multiple injection pipes (3). A reciprocating plate (17) is slidably arranged inside the reciprocating cavity (15). Multiple through holes (18) are equidistantly opened on the top of the reciprocating plate (17), and the multiple through holes (18) are all opposite to the injection pipes (3).

6. The anti-abrasion thermal spraying device for a copper heat dissipation substrate according to claim 5, characterized in that: A rectangular cavity (16) is provided in the side wall of the conveying platform (1), and one end of the reciprocating plate (17) extends into the interior of the rectangular cavity (16). A second spring (19) is fixed between one end of the reciprocating plate (17) and one side inner wall of the rectangular cavity (16).

7. The anti-abrasion thermal spraying device for a copper heat dissipation substrate according to claim 6, characterized in that: The sensing and control component includes an adjustment block (11), and an adjustment cavity (10) is provided in the side wall of the conveying platform (1). The adjustment block (11) is slidably located inside the adjustment cavity (10), and an annular conical groove (12) is provided on the outer surface of the adjustment block (11).

8. The anti-abrasion thermal spraying device for a copper heat dissipation substrate according to claim 7, characterized in that: A first spring (13) is fixed between the top of the adjusting block (11) and the inner top surface of the adjusting cavity (10). A contact rod (14) is fixed at the bottom of the adjusting block (11). The bottom of the contact rod (14) slides through the interior of the conveying groove (4). The other end of the reciprocating plate (17) slides through the interior of the adjusting cavity (10) and extends into the annular conical groove (12).

Images