Mems accelerometer packaging and positioning tool

Abstract

The utility model relates to a mems accelerometer packaging and positioning tool comprising a fixed base plate, the fixed base plate is provided with a groove used for placing a substrate, the groove is internally connected with a positioning column, the front side and the rear side of the fixed base plate are respectively provided with a front chute and a rear chute, and the front chute and the rear chute are connected with the positioning column. A first X-axis sliding block and a second X-axis sliding block are slidably connected to the front sliding groove and the rear sliding groove correspondingly, a first driving assembly is connected to the fixed bottom plate, a first support and a second support are connected to the first X-axis sliding block and the second X-axis sliding block correspondingly, and a first Y-axis connecting rod and a second Y-axis connecting rod are connected between the first support and the second support. A positioning fixing plate is slidably connected between the first Y-axis connecting rod and the second Y-axis connecting rod through a sliding sleeve, the positioning fixing plate is in driving connection with the second driving assembly, a positioning mounting hole is formed in the positioning fixing plate, a vertical plate is connected to the fixing bottom plate, a top plate is connected to the vertical plate, and a camera is connected to the top plate. According to the utility model, the working efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to a packaging and positioning tool for a MEMS accelerometer. Background Art

[0002] MEMS accelerometer is an accelerometer manufactured using MEMS technology. Due to the use of micro-electromechanical system technology, its size is greatly reduced. MEMS accelerometer has the advantages of small size, light weight, and low energy consumption. It is suitable for application in the field of geotechnical inclinometer, measuring the displacement of various geotechnical slopes and foundations, and analyzing and predicting the stability of the monitored object. After searching, the patent: A tooling for eutectic welding of MEMS gyroscope chip packaging (CN202121066955.9) includes a base, a positioning mechanism, a pressing mechanism and a pressing block, and the base, positioning mechanism and pressing mechanism are stacked from bottom to top in sequence, and a pressing block is provided between the positioning mechanism and the pressing mechanism, and the base, positioning mechanism and pressing mechanism are connected through bolts and nuts. The above structure requires manual operation, and the work efficiency is slow. At the same time, it can only be operated for products with a single substrate.

[0003] In view of the above-mentioned defects, the designers have actively carried out research and innovation in order to create a new structure of a MEMS accelerometer packaging and positioning tooling to make it more valuable for industrial use. Utility Model Content

[0004] In order to solve the above technical problems, the purpose of the utility model is to provide a MEMS accelerometer packaging positioning tool.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A MEMS accelerometer packaging positioning tool comprises a fixed base plate, the fixed base plate is provided with a groove for placing a substrate, the groove is connected with a positioning column, the front side and the rear side of the fixed base plate are respectively provided with a front slide groove and a rear slide groove, the front slide groove and the rear slide groove are respectively slidably connected with a first X-axis slider and a second X-axis slider, the fixed base plate is connected with a first driving assembly, the first driving assembly is drivingly connected to the first X-axis slider, the first X-axis slider and the second X-axis slider are respectively connected with a first bracket and a second bracket, the first bracket and the second bracket are connected between the first bracket and the second bracket, a positioning fixing plate is slidably connected between the first Y-axis connecting rod and the second Y-axis connecting rod through a sliding sleeve, the positioning fixing plate is drivingly connected to the second driving assembly, the positioning fixing plate is provided with a positioning and mounting hole for positioning and mounting a product, the fixed base plate is connected with a vertical plate, the vertical plate is connected with a top plate, and the top plate is connected with a camera for photographing the position of the product.

[0007] Preferably, in the above-mentioned MEMS accelerometer packaging and positioning tooling, the first driving component and the second driving component are of the same structure;

[0008] The first driving assembly includes a driving device, a seat bearing, a screw and a screw sleeve. The seat bearing is connected to a fixed base plate, the screw is connected between the seat bearings, one end of the screw is drivingly connected to the driving shaft of the driving device, the screw is slidably connected to the screw with a screw sleeve, and the screw sleeve is synchronously connected to the X-axis slider.

[0009] Preferably, in the MEMS accelerometer packaging and positioning tool, the driving device is a servo motor.

[0010] Preferably, the MEMS accelerometer packaging and positioning tooling further includes a control device, and the control device is electrically connected to the first drive component, the second drive component and the camera.

[0011] Preferably, in the MEMS accelerometer packaging and positioning tool, the camera is a CCD camera.

[0012] Preferably, in the MEMS accelerometer packaging positioning tool, a plurality of positioning holes for placing substrates of different sizes are opened in the groove, and the positioning posts are connected in the positioning holes.

[0013] By means of the above solution, the utility model has at least the following advantages:

[0014] The utility model can realize automatic positioning of the product, effectively improve the work efficiency, and can also be installed for products of different sizes, thereby achieving the purpose of reducing costs.

[0015] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the utility model in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is a top view of the utility model. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0020] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0021] Example

[0022] like Figure 1 and Figure 2 As shown, a MEMS accelerometer packaging positioning tool comprises a fixed base plate 1, a groove 2 for placing a substrate is provided on the fixed base plate 1, a positioning column 3 is connected in the groove 2, a front slide groove 4 and a rear slide groove 5 are respectively provided on the front side and the rear side of the fixed base plate 1, a first X-axis slider 6 and a second X-axis slider 7 are respectively slidably connected to the front slide groove 4 and the rear slide groove 5, a first driving component is connected to the fixed base plate 1, the first driving component is drivingly connected to the first X-axis slider 6, and the first X-axis slider 6 and the second X-axis slider 7 are respectively connected to the first support A bracket 8 and a second bracket 9, a first Y-axis connecting rod 10 and a second Y-axis connecting rod 11 are connected between the first bracket 8 and the second bracket 9, a positioning fixing plate 12 is slidably connected between the first Y-axis connecting rod 10 and the second Y-axis connecting rod 11 through a sliding sleeve, the positioning fixing plate 12 is drivingly connected to the second driving component, a positioning fixing plate 12 is provided with a positioning mounting hole 13 for positioning and mounting the product, a vertical plate 14 is connected to the fixed bottom plate 1, a top plate 15 is connected to the vertical plate 14, and a camera 16 for photographing the product position is connected to the top plate 15.

[0023] In the present utility model, the first driving assembly and the second driving assembly have the same structure, wherein the first driving assembly includes a driving device, a seat bearing, a screw and a screw sleeve, the seat bearing is connected to a fixed base plate 1, the screw is connected between the seat bearings, one end of the screw is drivingly connected to the driving shaft of the driving device, a screw sleeve is slidably connected to the screw, and the screw sleeve is synchronously connected to the X-axis slider.

[0024] The driving device is a servo motor.

[0025] The utility model also includes a control device, which is electrically connected to the first drive assembly, the second drive assembly and the camera, wherein the camera 16 is a CCD camera. The control device is a PC.

[0026] In the utility model, the groove 2 is provided with a plurality of positioning holes for placing substrates of different sizes, and the positioning posts 3 are connected in the positioning holes. The positions of the positioning posts are adjusted according to the sizes of different substrates (PCB boards) to ensure accurate installation of the substrates.

[0027] The working principle of the utility model is as follows:

[0028] During the specific work, first select the appropriate position of the positioning column according to the size of the substrate, then place the substrate in the groove, and limit the position of the substrate by positioning, then take a picture of the substrate with a camera, and transmit the position of the product (MEMS accelerometer) to be installed on the substrate to the control device, and control the first drive assembly and the second drive assembly in succession through the control device, so that the positioning mounting hole coincides with the installation position on the substrate, and finally install the product on the substrate through the positioning mounting hole.

[0029] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0030] In the description of this application, it should be noted that the terms "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the application is usually placed when in use. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0031] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or vertical, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0032] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as within the protection scope of the present invention.

Claims

1. A MEMS accelerometer packaging and positioning tool, characterized in that: The invention comprises a fixed base plate (1), wherein a groove (2) for placing a substrate is provided on the fixed base plate (1), a positioning column (3) is connected in the groove (2), a front slide groove (4) and a rear slide groove (5) are respectively provided on the front side and the rear side of the fixed base plate (1), a first X-axis slider (6) and a second X-axis slider (7) are respectively slidably connected to the front slide groove (4) and the rear slide groove (5), a first driving component is connected to the fixed base plate (1), the first driving component is drivingly connected to the first X-axis slider (6), and a first bracket (8) and a second bracket (9) are respectively connected to the first X-axis slider (6) and the second X-axis slider (7). A first Y-axis connecting rod (10) and a second Y-axis connecting rod (11) are connected between the first bracket (8) and the second bracket (9); a positioning fixing plate (12) is slidably connected between the first Y-axis connecting rod (10) and the second Y-axis connecting rod (11) via a sliding sleeve; the positioning fixing plate (12) is drivingly connected to the second driving component; a positioning fixing plate (12) is provided with a positioning mounting hole (13) for positioning and mounting a product; a vertical plate (14) is connected to the fixed bottom plate (1); a top plate (15) is connected to the vertical plate (14); a camera (16) for photographing the position of the product is connected to the top plate (15).

2. A MEMS accelerometer packaging and positioning tool according to claim 1, characterized in that: The first drive assembly and the second drive assembly have the same structure; The first driving assembly comprises a driving device, a seat bearing, a screw and a screw sleeve, wherein the seat bearing is connected to a fixed base plate (1), the screw is connected between the seat bearings, one end of the screw is drivingly connected to a driving shaft of the driving device, a screw sleeve is slidably connected to the screw, and the screw sleeve is synchronously connected to the X-axis slider.

3. A MEMS accelerometer packaging and positioning tool according to claim 2, characterized in that: The driving device is a servo motor.

4. The MEMS accelerometer packaging and positioning tool according to claim 1, characterized in that: The device also includes a control device, which is electrically connected to the first driving component, the second driving component and the camera.

5. The MEMS accelerometer packaging and positioning tool according to claim 1, characterized in that: The camera (16) is a CCD camera.

6. The MEMS accelerometer packaging and positioning tool according to claim 1, characterized in that: A plurality of positioning holes for placing substrates of different sizes are provided in the groove (2), and the positioning posts (3) are connected in the positioning holes.

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