PMI foam density uniformity analysis device

Abstract

The utility model discloses a PMI (polymethacrylimide) foam density uniformity analysis device, which comprises a shell, an electric control box, a pressure sensor and a controller, the placement table is connected to the interior of the shell through a mounting frame; the detection mechanism is arranged above the placing table; the adjusting mechanism is connected to the interior of the shell, and the lower portion of the shell is connected with the detection mechanism through a lifting air cylinder. According to the PMI foam density uniformity analysis device, nondestructive sampling detection is carried out on a foam board through the pressure sensor, when the pressure head is pressed down in place, the pressure sensor carries out pressure detection, pressure change values of nine points are taken out on line, the density conditions of the nine points are reflected after electric control conversion, the density conditions are fed back to the electric control box, and therefore the density uniformity of the foam board is analyzed. Density data of different positions of the foam board are collected and recorded, the different positions of the foam board are conveniently detected through the adjusting mechanism, and the density uniformity of the foam board can be detected in a nondestructive mode.

Description

Technical Field

[0001] This utility model relates to the field of density detection technology, and in particular to a PMI foam density uniformity analysis device. Background Technology

[0002] PMI foam is a lightweight, high-strength foam material with excellent insulation properties. The PMI foam density uniformity analyzer is a device used to measure and evaluate the uniformity of the internal density distribution of foam materials. The foam density uniformity analyzer plays an important role in the production and application of foam materials, helping users understand the internal density distribution of foam materials, optimize production processes, and improve product quality and performance.

[0003] Currently, existing foam density uniformity analysis devices typically test the density uniformity of PMI foam by dividing the foam board into several equal-sized foam blocks and testing each block separately. While this method is accurate, it requires destroying the integrity of the test object. Utility Model Content

[0004] The purpose of this utility model is to overcome the shortcomings of the existing technology. It includes: a housing, with an electrical control box disposed on one side of the housing; a placement platform connected inside the housing via a mounting bracket; a detection mechanism disposed above the placement platform; and an adjustment mechanism connected inside the housing, with a lifting cylinder connecting the lower part of the housing to the detection mechanism, the adjustment mechanism being used to move the detection mechanism; the detection mechanism includes a pressure head, the upper part of which is connected to the lifting cylinder, and nine mounting holes on the pressure head, each mounting hole having a detachable pressure sensor connected inside, the pressure sensor being connected to the electrical control box via a wire.

[0005] As a further description of the above technical solution: the placement platform is detachably connected to the mounting bracket via connecting sleeves, and at least two connecting sleeves are provided.

[0006] As a further description of the above technical solution: the placement platform includes a placement plate and a mounting plate. One side of the mounting plate is connected to a connecting sleeve. A rotating rod is threadedly connected to the mounting plate. The upper end of the rotating rod is connected to the placement plate. At least three rotating rods are provided.

[0007] As a further description of the above technical solution: the adjustment mechanism includes a lateral moving component and a longitudinal moving component, both of which are slidably connected to the connecting seat, and the lower part of the connecting seat is connected to a lifting cylinder.

[0008] As a further description of the above technical solution: the lateral movement component includes a first drive motor, the first drive motor is connected to a first lateral rotating shaft via a first drive belt, the first lateral rotating shaft is connected to a second lateral rotating shaft via a first conveyor belt, both ends of the first and second lateral rotating shafts are connected to the housing via bearing seats, and the first conveyor belt is fixedly connected to a first transmission block.

[0009] As a further description of the above technical solution: the longitudinal moving component includes a second drive motor, the second drive motor is connected to a first longitudinal rotating shaft through a second drive belt, the first longitudinal rotating shaft is connected to a second longitudinal rotating shaft through a second conveyor belt, both ends of the first and second longitudinal rotating shafts are connected to the housing through bearing seats, and the second conveyor belt is fixedly connected to a second transmission block.

[0010] As a further description of the above technical solution: two of the first conveyor belt and two of the first transmission blocks are provided, and the first transmission block is slidably connected to the first longitudinal rotating shaft and the second longitudinal rotating shaft.

[0011] As a further description of the above technical solution: two of each of the second conveyor belt and the second transmission block are provided, and the second transmission block is slidably connected to the first transverse rotating shaft and the second transverse rotating shaft.

[0012] The above technical solution has the following advantages or beneficial effects:

[0013] This invention uses a pressure sensor to perform non-destructive sampling and testing of foam boards. When the pressure head is pressed down to the desired position, the pressure sensor detects the pressure and extracts the pressure change values ​​at nine points online. After being converted by the electronic control system, the density status at the nine points is reflected. The density status is fed back to the control box, and density data at different locations on the foam board is collected and recorded. The adjustment mechanism allows for convenient testing at different locations on the foam board, enabling non-destructive testing of the density uniformity of the foam board. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of the analysis device in one embodiment of the present invention;

[0015] Figure 2 This is a front view of the analysis device in one embodiment of the present invention;

[0016] Figure 3 for Figure 1 A schematic diagram of the adjustment mechanism in the analytical device;

[0017] Figure 4 for Figure 1 A schematic diagram of the detection mechanism in the analytical apparatus.

[0018] Legend:

[0019] 1. Housing; 2. Electrical control box; 3. Placement platform; 4. Mounting bracket; 5. Detection mechanism; 6. Adjustment mechanism; 7. Lifting cylinder; 8. Connecting sleeve; 31. Placement plate; 32. Mounting plate; 33. Rotating rod; 51. Pressure head; 52. Mounting hole; 53. Pressure sensor; 61. Lateral movement assembly; 62. Longitudinal movement assembly; 63. Connecting seat; 64. First adjusting rod; 65. Second adjusting rod; 611. First drive motor; 612. First drive belt; 613. First lateral rotating shaft; 614. Second lateral rotating shaft; 615. First conveyor belt; 616. First transmission block; 621. Second drive motor; 622. Second drive belt; 623. First longitudinal rotating shaft; 624. Second longitudinal rotating shaft; 625. Second conveyor belt; 626. Second transmission block. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] In the description of this utility model, it should be noted that the terms "vertical", "up", "down", "horizontal", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0022] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0023] like Figure 1-4As shown, the PMI foam density uniformity analysis device of this utility model includes: a housing 1, with an electrical control box 2 installed on one side of the housing 1; a placement platform 3, which is connected to the inside of the housing 1 via a mounting bracket 4; a detection mechanism 5, which is located above the placement platform 3; and an adjustment mechanism 6, which is connected to the inside of the housing 1 and connected to the detection mechanism 5 via a lifting cylinder 7 at the bottom of the housing 1. The adjustment mechanism 6 is used to move the detection mechanism 5. The detection mechanism 5 includes a pressure head 51, which is connected to the lifting cylinder 7 at the top. The pressure head 51 has nine mounting holes 52, and a pressure sensor 53 can be detachably connected inside each mounting hole 52. The pressure sensor 53 is connected to the electrical control box 2 via a wire.

[0024] In this embodiment, by controlling the operation of the lifting cylinder 7, the detection mechanism 5 can be raised and lowered. The lifting cylinder 7 drives the pressure head 51 to press down, and the pressure sensor 53 performs non-destructive sampling and detection on the foam board. When the pressure head 51 is pressed down to the position, the pressure sensor 53 performs pressure detection, extracts the pressure change values ​​of nine points online, and reflects the density status of the nine points after electronic conversion. The density status is fed back to the electrical control box 2, and the density data at different positions of the foam board is collected and recorded. The data can be presented in digital or graphical form, and the density uniformity of the foam board can be detected non-destructively.

[0025] like Figure 2 and Figure 3 As shown, the placement platform 3 is detachably connected to the mounting bracket 4 via a connecting sleeve 8. There are at least two connecting sleeves 8. The placement platform 3 includes a placement plate 31 and a mounting plate 32. One side of the mounting plate 32 is connected to the connecting sleeve 8. A rotating rod 33 is threaded onto the mounting plate 32. The upper end of the rotating rod 33 is connected to the placement plate 31. There are at least three rotating rods 33.

[0026] In this embodiment, by rotating the rotating rod 33, the rotating rod 33 can be moved up and down on the mounting plate 32, and the height of the placement plate 31 supported above the rotating rod 33 can be adjusted to place foam boards of different thicknesses, thereby enhancing the applicability of the device.

[0027] like Figure 2 and Figure 3As shown, the adjusting mechanism 6 includes a lateral moving component 61 and a longitudinal moving component 62. The lateral moving component 61 is connected to the connecting seat 63 via a first adjusting rod 64, and the longitudinal moving component 62 is connected to the connecting seat 63 via a second adjusting rod 65. The lower part of the connecting seat 63 is connected to the lifting cylinder 7. The lateral moving component 61 includes a first drive motor 611, which is connected to a first lateral rotating shaft 613 via a first drive belt 612. The first lateral rotating shaft 613 is connected to a second lateral rotating shaft 614 via a first conveyor belt 615. Both ends of the first lateral rotating shaft 613 and the second lateral rotating shaft 614 are connected to the housing 1 via bearing seats. The first conveyor belt 615 is fixedly connected to the first transmission block 616. The longitudinal moving component 62 includes... The system includes a second drive motor 621, which is connected to a first longitudinal shaft 623 via a second drive belt 622. The first longitudinal shaft 623 is connected to a second longitudinal shaft 624 via a second conveyor belt 625. Both ends of the first longitudinal shaft 623 and the second longitudinal shaft 624 are connected to the housing 1 via bearing seats. The second conveyor belt 625 is fixedly connected to a second transmission block 626. There are two first conveyor belts 615 and two first transmission blocks 616. The first transmission block 616 is slidably connected to the first longitudinal shaft 623 and the second longitudinal shaft 624. There are two second conveyor belts 625 and two second transmission blocks 626. The second transmission block 626 is slidably connected to the first transverse shaft 613 and the second transverse shaft 614.

[0028] In this embodiment, by controlling the first drive motor 611 to operate, the first drive belt 612 drives the first transverse rotating shaft 613 to rotate, which in turn drives the first conveyor belt 615 and the second transverse rotating shaft 614 to rotate. The first conveyor belt 615 drives the first transmission block 616 to slide on the first longitudinal rotating shaft 623 and the second longitudinal rotating shaft 624, thereby driving the connecting seat 63 and the detection mechanism 5 below it to move laterally. By controlling the second drive motor 621 to operate, the second drive belt 622 drives the first longitudinal rotating shaft 623 to rotate, which in turn drives the second conveyor belt 625 and the second longitudinal rotating shaft 624 to rotate. The second conveyor belt 625 drives the second transmission block 626 to slide on the first transverse rotating shaft 613 and the second transverse rotating shaft 614, thereby driving the connecting seat 63 and the detection mechanism 5 below it to move longitudinally, which facilitates the detection of different positions of the foam board.

[0029] Working principle: The operator controls the lifting cylinder 7 to drive the detection mechanism 5 to rise and fall. The lifting cylinder 7 drives the pressure head 51 to press down, and the pressure sensor 53 performs non-destructive sampling and testing on the foam board. When the pressure head 51 is pressed down, the pressure sensor 53 detects the pressure and extracts the pressure change values ​​at nine points online. After being converted by the electronic control, the density status of the nine points is reflected. The density status is fed back to the electrical control box 2, which collects and records the density data at different locations on the foam board. The data can be presented in digital or graphical form, and the density uniformity of the foam board can be detected non-destructively.

[0030] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0031] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A PMI foam density uniformity analysis device, characterized in that, include: A housing (1), wherein an electrical control box (2) is provided on one side of the housing (1); A placement platform (3) is connected inside the housing (1) via a mounting bracket (4); Testing mechanism (5), which is located above the placement platform (3); Adjustment mechanism (6) is connected inside the housing (1). The housing (1) is connected to the detection mechanism (5) via a lifting cylinder (7) at the bottom. The adjustment mechanism (6) is used to drive the detection mechanism (5) to move. The detection mechanism (5) includes a pressure head (51), which is connected to the lifting cylinder (7) at the top. The pressure head (51) has nine mounting holes (52), and each mounting hole (52) can be detachably connected to a pressure sensor (53). The pressure sensor (53) is connected to the electrical control box (2) through a wire. The adjustment mechanism (6) includes a lateral moving component (61) and a longitudinal moving component (62). The lateral moving component (61) is connected to the connecting seat (63) via a first adjusting rod (64), and the longitudinal moving component (62) is connected to the connecting seat (63) via a second adjusting rod (65). The connecting seat (63) is connected to the lifting cylinder (7) below.

2. The PMI foam density uniformity analysis device according to claim 1, characterized in that: The placement platform (3) is detachably connected to the mounting bracket (4) via a connecting sleeve (8), and at least two connecting sleeves (8) are provided.

3. The PMI foam density uniformity analysis device according to claim 1, characterized in that: The placement platform (3) includes a placement plate (31) and a mounting plate (32). One side of the mounting plate (32) is connected to the connecting sleeve (8). A rotating rod (33) is threaded onto the mounting plate (32). The upper end of the rotating rod (33) is connected to the placement plate (31). At least three rotating rods (33) are provided.

4. The PMI foam density uniformity analysis device according to claim 1, characterized in that: The lateral movement assembly (61) includes a first drive motor (611), which is connected to a first lateral rotating shaft (613) via a first drive belt (612). The first lateral rotating shaft (613) is connected to a second lateral rotating shaft (614) via a first conveyor belt (615). Both ends of the first lateral rotating shaft (613) and the second lateral rotating shaft (614) are connected to the housing (1) via bearing seats. The first conveyor belt (615) is fixedly connected to a first transmission block (616).

5. The PMI foam density uniformity analysis device according to claim 1, characterized in that: The longitudinal moving component (62) includes a second drive motor (621), which is connected to a first longitudinal rotating shaft (623) via a second drive belt (622). The first longitudinal rotating shaft (623) is connected to a second longitudinal rotating shaft (624) via a second conveyor belt (625). Both ends of the first longitudinal rotating shaft (623) and the second longitudinal rotating shaft (624) are connected to the housing (1) via bearing seats. The second conveyor belt (625) is fixedly connected to a second transmission block (626).

6. The PMI foam density uniformity analysis device according to claim 4, characterized in that: Two of the first conveyor belt (615) and the first transmission block (616) are provided. The first transmission block (616) is slidably connected to the first longitudinal rotating shaft (623) and the second longitudinal rotating shaft (624).

7. The PMI foam density uniformity analysis device according to claim 5, characterized in that: Two of the second conveyor belt (625) and the second transmission block (626) are provided. The second transmission block (626) is slidably connected to the first transverse rotating shaft (613) and the second transverse rotating shaft (614).

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