Foam pasting jig
By designing the base plate and concentric positioning groove of the foam bonding fixture, the problem of foam bonding misalignment was solved, ensuring that the heat sink is subjected to balanced force on the PCB board and improving heat dissipation performance.
Patent Information
- Application Number
- CN202422463023.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-12
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-10-12
AI Technical Summary
In existing technologies, the application of foam at the bottom of the heat sink is prone to misalignment, resulting in an imbalance of forces on the heat sink on the PCB board and affecting heat dissipation performance.
A foam applicator fixture was designed, comprising a base plate, a placement groove, and concentrically arranged positioning grooves and positioning blocks. The positioning blocks restrict the horizontal movement of the foam, keeping it centered and ensuring stable installation of the foam and the radiator.
It achieves precise centering of the foam, ensuring that the heat sink is subjected to balanced forces on the PCB board and improving heat dissipation performance.
Smart Images
Figure CN223466147U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a jig, more specifically, it relates to a paste foam jig. BACKGROUND
[0002] The heat sink is a series of devices for conducting and releasing heat, and the small profile heat sink on the computer mainboard is mostly composed of aluminum or copper metal materials, and a layer of foam is pasted on the bottom when installed on the PCB to play a role in shock resistance and buffering, which can effectively prolong the service life of the equipment.
[0003] The existing paste foam on the bottom of the heat sink is mostly manually pasted, and manual pasting is prone to errors, which can cause the foam to be easily skewed, not in the center of the heat sink, and when installed with the PCB, it can cause unbalanced stress and tilt to one end, thereby affecting the heat dissipation performance.
[0004] Therefore, a new scheme is needed to solve this problem. UTILITY MODEL CONTENTS
[0005] To solve the above technical problems, the utility model provides a paste foam jig, which is more centered by the structure, and ensures the heat dissipation quality.
[0006] The technical scheme of the utility model is:
[0007] A paste foam jig, comprising a bottom plate and a placement slot for placing a heat sink on the bottom plate, a positioning slot for placing foam is provided on the inner bottom wall of the placement slot, and the positioning slot and the placement slot are concentrically arranged.
[0008] The utility model is further provided with a positioning block on the inner wall of the positioning slot, the positioning block is concentrically arranged with the positioning slot, and the positioning block is attached to the inner side wall of the foam.
[0009] The utility model is further provided with a positioning block on the inner wall of the positioning slot, the positioning block is concentrically arranged with the positioning slot, and the positioning block is attached to the inner side wall of the foam.
[0010] The utility model is further provided with a positioning block on the inner wall of the positioning slot, the positioning block is concentrically arranged with the positioning slot, and the positioning block is attached to the inner side wall of the foam.
[0011] The utility model is further provided with a positioning block on the inner wall of the positioning slot, the positioning block is concentrically arranged with the positioning slot, and the positioning block is attached to the inner side wall of the foam.
[0012] The utility model is further provided with a positioning block on the inner wall of the positioning slot, the positioning block is concentrically arranged with the positioning slot, and the positioning block is attached to the inner side wall of the foam.
[0013] The utility model is further provided with a positioning block on the inner wall of the positioning slot, the positioning block is concentrically arranged with the positioning slot, and the positioning block is attached to the inner side wall of the foam.
[0014] The utility model further sets up, the cross section of positioning groove and placement groove all is rectangularly set up, the four corners of positioning groove and placement groove all are provided with the outwardly extending notch.
[0015] The utility model discloses beneficial technical effect is:
[0016] Through setting the positioning block, aligning the foam to the positioning block, make the foam set on the outer peripheral wall of positioning block and embed into the positioning groove, utilize the positioning block, limit the movement of foam along the horizontal direction, and positioning groove, placement groove and positioning block all concentric setting, make the foam stable in the central position, and the foam does not skew, and the positioning is more accurate, and make the foam central setting, when installing radiator on PVB board, the stress is more balanced, and will not one side lift, guarantee the heat dissipation performance of radiator. DRAWINGS
[0017] Figure 1 It is the structural schematic diagram of the utility model.
[0018] In the drawing, 1, bottom plate, 2, placement groove, 3, positioning groove, 4, positioning block, 5, notch, 6, open part. CONCRETE IMPLEMENTATIONS
[0019] In order to more clearly understand the technical means of the utility model, and can be implemented according to the content of the specification, the specific implementation of the utility model is further described in detail below, the following examples are used to illustrate the utility model, but not to limit the scope of the utility model.
[0020] A kind of paste foam tool, as shown in Figure 1 It includes bottom plate 1 and placement groove 2 for placing radiator set on bottom plate 1, the cross section of placement groove 2 is set rectangularly with the cross section of radiator, and when milling groove by milling machine, four corners are milled a section towards outside, form the notch 5 extending outward, so that the forming of placement groove 2 is more convenient, and the setting of notch 5 also makes the placement of radiator more convenient;
[0021] Form positioning groove 3 that is annularly set corresponding to the cross section of foam on the inner bottom wall of placement groove 2 by milling machine, the middle part is integrally formed into positioning block 4, so that positioning groove 3 and placement groove 2 are concentrically arranged, positioning block 4 is also concentrically arranged with positioning groove 3, and when milling positioning groove 3, four corners are also milled a section towards outside, form the notch 5 extending outward, so that the placement of foam is more convenient;When embedding foam in positioning groove 3, the foam is also set on the outer peripheral wall of positioning block 4, the outer peripheral wall of positioning block 4 is attached to the inner side wall of foam, positioning block 4 is used, and positioning groove 3 for placing foam is set on the inner bottom wall of placement groove 2, positioning groove 3 and placement groove 2 are concentrically arranged.
[0022] The depth of the positioning groove 3 is less than the thickness of the foam, so that the foam protrudes from the positioning groove 3 and can be in full contact with the heat sink, thereby being more stably fixed with the heat sink; the height of the positioning block 4 is equal to the depth of the positioning groove 3, so that the foam can protrude from the positioning block 4, thereby facilitating the placement of the foam; the cross section of the positioning block 4 is annular, which can cooperate with the cross section of the foam, thereby ensuring the supporting effect of the positioning block 4 on the inner peripheral wall of the foam, and further ensuring the positioning effect of the foam.
[0023] The depth of the placement groove 2 is greater than the thickness of the foam, so that the foam is continuously located in the placement groove 2, and the foam does not hinder the placement of the heat sink into the placement groove 2, the heat sink is positioned by the placement groove 2, thereby further ensuring the positioning effect and making the foam more centered.
[0024] Working principle: align the foam with the positioning block 4, so that the foam is sleeved on the outer peripheral wall of the positioning block 4 and embedded into the positioning groove 3, the movement of the foam in the horizontal direction is limited by the positioning block 4, and the positioning groove 3, the placement groove 2 and the positioning block 4 are concentrically arranged, so that the foam is stably located at the centered position and cannot be skewed, and the positioning is more accurate; the foam is coated with an adhesive, the heat sink is placed into the placement groove 2, and the heat sink is pressed, so that the foam is fixed at the bottom of the heat sink and the foam is centrally arranged, when the heat sink is installed on the PVB plate, the stress is more balanced and the heat sink will not be tilted, thereby ensuring the heat dissipation performance of the heat sink.
[0025] The above only describes preferred embodiments of the present application and is not used to limit the present application, and it should be pointed out that, for ordinary skilled persons in the technical field, several improvements and modifications can be made without departing from the technical principles of the present application, and these improvements and modifications should also be regarded as the protection scope of the present application.
Claims
1. A conformable foam device, comprising: The utility model relates to a heat dissipation device, including bottom plate (1) and the placement slot (2) for placing heat dissipation device that open in bottom plate (1), the placement slot (2) inside bottom wall open has the placement foam positioning slot (3) for, the positioning slot (3) and placement slot (2) concentricity are arranged.
2. The conformable foam of claim 1, wherein: The positioning slot (3) inner wall is equipped with positioning block (4), the positioning block (4) is arranged with positioning slot (3) concentricity, and the positioning block (4) is attached with the inside wall of foam.
3. The conformable foam of claim 1, wherein: The depth of the positioning slot (3) is less than the thickness of the foam.
4. The conformable foam of claim 2, wherein: The height of the positioning block (4) is equal to the depth of the positioning slot (3).
5. The conformable foam of claim 2, wherein: The cross section of the positioning block (4) is annular.
6. The conformable foam of claim 1, wherein: The depth of the placement slot (2) is greater than the thickness of the foam.
7. The conformable foam of claim 1, wherein: The top of the bottom plate (1) is provided with an open part (6) which is symmetrically arranged and communicates with the positioning slot (3).
8. The conformable foam of claim 1, wherein: The cross section of the positioning slot (3) and the placement slot (2) is rectangular, and the four corners of the positioning slot (3) and the placement slot (2) are provided with outwardly extending notches (5).