Device for detecting performance of polyimide foam material

Abstract

The utility model discloses a device for detecting the performance of a polyimide foam material, which comprises a base, two upright posts, an upper clamp and a lower clamp, and a cutting component for cutting a foam sample is arranged on one side of the lower clamp; the cutting assembly comprises a cutting plate and a cutting piece. The cutting piece comprises a first telescopic rod, a threaded rotating rod and a cutting tool; the threaded rotating rod extends from the middle to the two sides and is provided with two threaded grooves with opposite spiral directions, and the two cutting tools are slidably connected to two different rod bodies, with different spiral directions, of the threaded rotating rod respectively. The cutting plate is used for placing a foam plate, and the foam plate placed on the cutting plate can be cut into a regular rectangle through the two cutting tools. According to the utility model, through the arrangement of the cutting assembly, the foam board can be cut into a regular rectangle with a specified size by using a cutting piece before detection, so that the problem that the foam board cannot be straightly placed due to the curvature of the foam board is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to foamed material performance detection device technical field especially relates to a device for detecting polyimide foamed material performance. BACKGROUND

[0002] The performance of foamed material usually needs professional instrument to test, for example, the common detection device that meets the test standard has plastic universal testing machine, and the plastic universal testing machine is very common in the mechanical property detection process of plastic, and the common performance test has compression performance test and tensile performance test, and details refer to GB / T 8813-2008 and ASTM C297 standard, so the mechanical property detection of polyimide foamed material can use the plastic universal testing machine in prior art to detect.

[0003] The utility model discloses a kind of plastic rice electronic universal testing machines of CN215767943U, including base, stand, crossbeam, lifting platform, driving device, clamping device and control device, lifting platform is provided with laser alignment device for assisting detection sample clamping when keeping vertical state, laser alignment device includes laser emitter, rotating platform, sliding block from top to bottom in sequence, rotating platform is rotatably connected with laser emitter, rotating platform bottom fixedly connected with sliding block, laser emitter is used to project a vertical light to the direction of detection sample, lifting platform is opened with sliding slot in its front and back direction with sliding block is adapted, lifting platform is equipped with power mechanism for driving laser alignment device to move back and forth in it;The above-mentioned scheme can realize the advantage of assisting detection sample correct placement by laser alignment device.

[0004] But, the above-mentioned scheme although through the setting of laser alignment device can find the position of sample correct placement, but part of the reason that sample position deviates can be in that asymmetric situation appears when sample itself cutting is not found by tester, and not sample is not placed correctly, therefore, a new scheme needs to be proposed to solve these problems. SUMMARY

[0005] The utility model overcomes the insufficient of prior art, provides a kind of device for detecting polyimide foamed material performance, with the advantage of correct cutting and automatic correct fixation test sample.

[0006] To achieve the above object, the technical scheme adopted by the utility model is as follows: a kind of device for detecting polyimide foamed material performance, characterized by: including: base, two stands symmetrically arranged on the upper end of the base, upper clamp slidingly connected between the two stands and lower clamp fixedly connected with the base, cutting assembly for cutting foamed sample is arranged on one side of the lower clamp;

[0007] The cutting assembly comprises a cutting plate and a cutting piece; the cutting plate and the cutting piece are connected with the base through a connecting piece, and the cutting plate and the cutting piece are rotationally connected with the connecting piece;

[0008] The cutting piece comprises a first telescopic rod, a threaded rotating rod and two cutting tools; the first telescopic rod is rotationally connected with the connecting piece; the threaded rotating rod is rotationally connected with the two first telescopic rods respectively; the threaded rotating rod extends from the middle to the two sides and is provided with two thread grooves with opposite screw directions; the two cutting tools are provided on the threaded rotating rod at different rod bodies with different screw directions and are slidingly connected with the threaded rotating rod respectively.

[0009] The cutting plate is used for placing a foam plate, and the two cutting tools can cut the foam plate placed on the cutting plate into a regular rectangle.

[0010] In a preferred embodiment of the utility model, the cutting plate is fixedly connected with a second telescopic rod on the two sides, and the second telescopic rod is rotationally connected with the connecting piece.

[0011] In a preferred embodiment of the utility model, the two cutting tools are parallel to each other and are both perpendicular to the threaded rotating rod.

[0012] In a preferred embodiment of the utility model, the two cutting tools are both fixedly connected with a contact block on the sliding surface of the threaded rotating rod, and the contact block is in contact with the groove wall of the thread groove.

[0013] In a preferred embodiment of the utility model, the cutting tool is slidingly connected with a limiting rod at the end away from the threaded rotating rod, and the two ends of the limiting rod are fixedly connected between the two first telescopic rods.

[0014] In a preferred embodiment of the utility model, the upper clamp and the lower clamp both comprise a clamping piece one and a clamping piece two; the two sides of the clamping piece one are both provided with an arc-shaped groove; the two side outer walls of the clamping piece two are fixedly connected with at least two cylindrical connecting rods with a certain interval and equal to the groove width of the arc-shaped groove in diameter length; and the clamping piece two is slidingly connected through the cylindrical connecting rod and the arc-shaped groove.

[0015] In a preferred embodiment of the utility model, the arc-shaped groove is provided with a sliding groove corresponding to the number of the cylindrical connecting rods; the groove width of the sliding groove is equal to the diameter length of the cylindrical connecting rod; and the sliding groove is perpendicular to the clamping surface of the clamping piece one.

[0016] In one preferred embodiment of the utility model, the middle section of one of the cylindrical connecting rods is provided with a fixed block, a threaded fixing groove one is formed through the fixed block, the clamping piece one is provided with a threaded fixing groove two matched with the threaded fixing groove one, when the cylindrical connecting rods are all placed at the end of the sliding groove farthest from the arc-shaped groove, the threaded fixing groove one and the threaded fixing groove two are in the same straight line.

[0017] In one preferred embodiment of the utility model, the clamping surface of the clamping piece one and the clamping piece two is fixedly connected with a plurality of friction strips.

[0018] In one preferred embodiment of the utility model, the cutting plate is fixedly connected with a positioning strip arranged perpendicularly to the cutting tool.

[0019] The utility model solves the defects in the background art, and has the following beneficial effects:

[0020] (1) the utility model discloses a cutting assembly, and the cutting tool can cut the foam board into a regular rectangle of a specified size, avoiding the problem that the foam board cannot be placed correctly due to its bending degree, and the foam board after cutting can be placed correctly between the clamping piece one and the clamping piece two by rotating the cutting plate, so as to ensure the accuracy of the detection data of the device on the foam board.

[0021] (2) the utility model discloses a clamping piece one and a clamping piece two that slide relative to each other, the clamping piece two can be slid to a position perpendicular to the clamping piece one through the arc-shaped groove, thereby forming a communication section between the surface of the cutting plate and the clamping surface of the clamping piece one, so that the foam board can be placed in the correct position of the clamping piece one by rotating the cutting plate, facilitating the cooperation of the upper clamp, the lower clamp and the cutting plate, and the threaded fixing groove one and the threaded fixing groove two are provided, and the long bolt can enhance the fixing effect of the clamping piece one and the clamping piece two on the foam board. DRAWINGS

[0022] The utility model will be further described below in combination with the drawings and examples.

[0023] Figure 1 It is the perspective structural drawing of the preferred embodiment of the utility model.

[0024] Figure 2 It is Figure 1 The enlarged schematic view of A part in

[0025] Figure 3 It is the structural schematic view of the lower clamp in the utility model.

[0026] In the figure: 1, base; 11, stand; 12, upper clamp; 13, lower clamp; 131, clamping piece one; 1311, arc-shaped groove; 1312, sliding groove; 1313, threaded fixing groove two; 132, clamping piece two; 1321, cylindrical connecting rod; 1322, fixed block; 1323, threaded fixing groove one; 2, cutting assembly; 21, cutting plate; 211, second telescopic rod; 212, positioning strip; 22, cutting piece; 221, first telescopic rod; 222, threaded rotating rod; 223, cutting tool; 224, limiting rod. DETAILED DESCRIPTION

[0027] The utility model will be explained in further detail in combination with the drawings and examples, these drawings are all simplified schematic diagram, only with schematic way illustrates the basic structure of the utility model, therefore it only shows the constitution related to the utility model.

[0028] Embodiment

[0029] As Figures 1-3 shown, a device for detecting the performance of polyimide foam material, comprising: base 1, two stands 11 symmetrically arranged on the upper end of base 1, upper clamp 12 slidingly connected between two stands 11 and lower clamp 13 fixedly connected with base 1, cutting assembly 2 for cutting foam sample is arranged on one side of lower clamp 13; specifically, cutting assembly 2 includes: cutting plate 21 and cutting piece 22; cutting plate 21 and cutting piece 22 are connected with base 1 through connecting piece, connecting piece is fixed with base 1 through bolt, and cutting plate 21 and cutting piece 22 are rotatably connected with connecting piece; cutting piece 22 includes: first telescopic rod 221, threaded rotating rod 222 and cutting tool 223; first telescopic rod 221 is rotatably connected with connecting piece, threaded rotating rod 222 is rotatably connected with two first telescopic rods 221 on both sides respectively, threaded rotating rod 222 extends from the middle to both sides and is provided with two sections of thread grooves with opposite screw directions, cutting tool 223 is provided with two and is slidingly connected with different rod bodies with different screw directions on threaded rotating rod 222, simultaneously, two cutting tools 223 are parallel to each other and are both perpendicular to threaded rotating rod 222; more specifically, positioning strip 212 perpendicular to cutting tool 223 is integrally fixed on cutting plate 21, and cutting plate 21 is used for placing foam plate, and the foam plate placed on cutting plate 21 can be cut into regular rectangle by two cutting tools 223.

[0030] Based on the structure, the polyimide foam board is placed on the cutting plate 21 and one side is against the positioning strip 212, and the two sides of the foam board can be cut into parallel rectangular surfaces by using two parallel cutting tools 223, and the foam board can be cut into a regular rectangle by repeating the cutting operation at least twice, so that the position of the foam board to be tested on the upper clamp 12 and the lower clamp 13 is easy to find, and the relative connecting piece rotates the cutting plate 21 to make the foam board after cutting on the cutting plate 21 and abutting against the positioning strip 212 close to the clamping surface of the lower clamp 13 or the upper clamp 12, and the foam board placed in the upper clamp 12 or the lower clamp 13 can be directly adjusted to the position by using this method, so as to ensure the accuracy during performance detection, and when the foam board is accurately placed on the upper clamp 12 or the lower clamp 13 by using the cutting plate 21, the length of the first telescopic rod 221 can be adjusted to rotate the cutting tool 22 at the upper end of the cutting plate 21 to the other side of the lower clamp 13, so that the cutting plate 21 is rotated to the lower clamp 13 or the upper clamp 12, so that the foam board is correctly placed in the upper clamp 12 or the lower clamp 13, and the position of the foam board during performance detection is easy to find.

[0031] As shown in Figures 1-3 , further, the two cutting tools 223 are symmetrically arranged with respect to the spiral direction division surface of the screw groove, so as to facilitate observation of the length distance between the two cutting tools 223, so as to easily specify the size and position of the cutting test sample, and a scale parallel to the threaded rotating rod 222 can be arranged between the two first telescopic rods 221, so as to facilitate observation and adjustment of the distance between the two cutting tools 223.

[0032] Further, the second telescopic rod 211 is fixedly connected to the two sides of the cutting plate 21, and the cutting plate 21 is rotatably connected to the connecting piece through the second telescopic rod 211, so as to facilitate rotation of the foam board, and facilitate adjustment of the position of the foam board in the upper clamp 12 and the lower clamp 13 by adjusting the length of the second telescopic rod 211.

[0033] As shown in Figures 1-3 , specifically, the two cutting tools 223 and the sliding surface of the threaded rotating rod 222 are fixedly connected with abutting blocks, the abutting blocks abut against the groove wall of the screw groove, and rotating the threaded rotating rod 222 relative to the first telescopic rod 221 can make the screw groove apply stress to the abutting block to drive the cutting tool 223 to change the position in the threaded rotating rod 222, and the spiral directions of the two screw grooves in the threaded rotating rod 222 are different, so the displacement directions of the two cutting tools 223 are opposite, which facilitates cutting of the foam board, and further, the end of the cutting tool 223 away from the threaded rotating rod 222 is slidingly connected with a limiting rod 224, the two ends of the limiting rod 224 are fixedly connected between the two first telescopic rods 221, and the limiting rod 224 is used to limit the displacement track of the cutting tool 223.

[0034] As Figures 1-3 shown, in one specific embodiment, the upper clamp 12 and the lower clamp 13 each include: a clamping piece one 131 and a clamping piece two 132; the two sides of the clamping piece one 131 are each provided with an arc-shaped slot 1311, and the two outer walls of the clamping piece two 132 are fixedly connected with at least two cylindrical connecting rods 1321 which are spaced apart by a certain distance and have a diameter length equal to the slot width of the arc-shaped slot 1311; the clamping piece two 132 is slidingly connected with the arc-shaped slot 1311 through the cylindrical connecting rods 1321, and specifically, when the clamping piece two 132 slides to the two end points of the arc-shaped slot 1311, the clamping surfaces of the clamping piece two 132 are respectively arranged parallel or perpendicular to the clamping surfaces of the clamping piece one 131; when the clamping piece two 132 slides in the sliding slot 1312 to be perpendicular to the clamping surfaces of the clamping piece one 131, the cutting plate 21 can be used to correctly place the foam board on the position of the clamping piece two 132.

[0035] As Figures 1-3 shown, further, the arc-shaped slot 1311 is provided with sliding slots 1312 corresponding in number to the cylindrical connecting rods 1321, the slot width of the sliding slots 1312 is equal to the diameter length of the cylindrical connecting rods 1321, and the sliding slots 1312 are arranged perpendicular to the clamping surfaces of the clamping piece one 131; the design purpose of this structure is that when the clamping piece two 132 slides to be parallel to the clamping piece one 131, the cylindrical connecting rods 1321 can slide in the sliding slots 1312 to make the clamping piece two 132 approach or move away from the clamping piece one 131, thereby facilitating the tightening and placement of the foam board.

[0036] As Figures 1-3 shown, still further, the middle segment of one of the cylindrical connecting rods 1321 is provided with a fixed block 1322, a threaded fixing groove one 1323 is formed through the fixed block 1322, and the clamping piece one 131 is provided with a threaded fixing groove two 1313 matched with the threaded fixing groove one 1323; when the cylindrical connecting rods 1321 are all arranged at the end of the sliding slot 1312 farthest from the arc-shaped slot 1311, the threaded fixing groove one 1323 and the threaded fixing groove two 1313 are in the same straight line, and at this time, a long bolt is used to pass through the threaded fixing groove one 1323 and the threaded fixing groove two 1313 to fix the clamping piece one 131 and the clamping piece two 132 to each other, and by rotating the long bolt, the clamping piece one 131 can approach or move away from the clamping piece two 132, thereby facilitating the fixation and relaxation of the foam board; specifically, the clamping surfaces of the clamping piece one 131 and the clamping piece two 132 are each integrally fixed with a plurality of friction strips to improve the fixation of the clamping piece one 131 and the clamping piece two 132 on the foam board.

[0037] The utility model discloses in the process of using, can through the rotation screw thread rotation pole 222 with cutting tool 223 adjust to proper position after, in cutting board 21 with positioning strip 212 place foam board, utilize two parallel cutting tool 223 can cut the foam board into regular rectangle, subsequently after adjusting the length of second telescopic link 211 can relatively connecting piece rotate cutting board 21 drive cutting after foam board and clamping piece two 132 are pasted, this placement method obtains the position of foam board and lower clamp 13 or upper clamp 12 relatively accurate, and before placing foam board with cutting board 21, can slide clamping piece two 132 to the position perpendicular to clamping piece one 131 through arc -shaped groove 1311, to form a intercommunication section of cutting board 21 board surface and the clamping surface of clamping piece one 131, can be placed on the accurate position of clamping piece one 131 through rotating cutting board 21 with foam board, and after clamping, can also slide clamping piece two 132 relatively arc -shaped groove 1311 makes it perpendicular with clamping piece one 131, at this moment, the threaded fixing groove one 1323 in fixed block 1322 and the threaded fixing groove two 1313 seted up in clamping piece one 131 are located same straight line, utilize a long bolt to pass through threaded fixing groove one 1323 and threaded fixing groove two 1313 can clamping piece one 131 and clamping piece two 132 with foam board clamping fixed, subsequently start the whole equipment, complete the performance detection of foam board, utilize the utility model to carry out the performance detection of polyimide foam material, and the problem of not easy to appear foam board is not placed straight is not prone to, to obtain more accurate detection data.

[0038] The above is according to the ideal embodiment of the utility model for the inspiration, through the above-mentioned explanation content, relevant personnel can certainly in the range without deviating from the technical idea of the utility model, carry out the change and the modification of diversity.This utility model's technical scope is not limited to the content in the specification, must be according to the claim range to determine the technical scope.

Claims

1. An apparatus for detecting the properties of a polyimide foam material, characterized by: include: The base (1) has two columns (11) symmetrically arranged on the upper end of the base (1), an upper clamp (12) slidably connected between the two columns (11) and a lower clamp (13) fixedly connected to the base (1), and a cutting component (2) for cutting foam samples is provided on one side of the lower clamp (13). The cutting assembly (2) includes: a cutting plate (21) and a cutting piece (22); both the cutting plate (21) and the cutting piece (22) are connected to the base (1) through a connector, and both the cutting plate (21) and the cutting piece (22) are rotatably connected to the connector; The cutting component (22) includes: a first telescopic rod (221), a threaded rod (222), and a cutting tool (223); the first telescopic rod (221) is rotatably connected to the connector, the threaded rod (222) is rotatably connected to the first telescopic rod (221) on both sides respectively, the threaded rod (222) extends from the middle to both sides and has two threaded grooves with opposite spiral directions respectively, and there are two cutting tools (223) and the two cutting tools (223) are slidably connected to two different rods with different spiral directions on the threaded rod (222); The cutting board (21) is used to place the foam board, and the foam board placed on the cutting board (21) can be cut into a regular rectangle by the two cutting tools (223).

2. The apparatus for detecting the properties of polyimide foam according to claim 1, wherein: The cutting board (21) is fixedly connected to two sides by a second telescopic rod (211), and the second telescopic rod (211) is rotatably connected to the connector.

3. The apparatus for detecting the properties of polyimide foam according to claim 1, wherein: The two cutting tools (223) are parallel to each other and both are perpendicular to the threaded rod (222).

4. The apparatus for detecting the properties of polyimide foam according to claim 3, wherein: Both cutting tools (223) and the threaded rod (222) have abutting blocks fixedly connected to their sliding surfaces, and the abutting blocks abut against the groove wall of the threaded groove.

5. The apparatus for detecting the properties of polyimide foam according to claim 1, wherein: The cutting tool (223) is slidably connected to a limiting rod (224) at one end away from the threaded rod (222), and the two ends of the limiting rod (224) are fixedly connected between the first telescopic rods (221) on both sides.

6. The apparatus for detecting the properties of polyimide foam according to claim 1, wherein: The upper clamp (12) and the lower clamp (13) both include: clamping plate one (131) and clamping plate two (132); both sides of the clamping plate one (131) are provided with arc-shaped grooves (1311), and at least two cylindrical connecting rods (1321) with a certain distance between them and the diameter length is equal to the width of the arc-shaped groove (1311) are fixedly connected between the outer walls of the two sides of the clamping plate two (132). The clamping plate two (132) is slidably connected by the cylindrical connecting rods (1321) and the arc-shaped grooves (1311).

7. A device for detecting the properties of a polyimide foam material according to claim 6, characterized in that: The arc-shaped groove (1311) is provided with a sliding groove (1312) corresponding to the number of cylindrical connecting rods (1321). The width of the sliding groove (1312) is equal to the diameter of the cylindrical connecting rod (1321). The sliding groove (1312) is set perpendicular to the clamping surface of the clamping piece (131).

8. The apparatus for detecting the properties of polyimide foam according to claim 7, wherein: The middle section of one of the cylindrical connecting rods (1321) is provided with a fixing block (1322), a threaded fixing groove one (1323) is formed through the fixing block (1322), the clamping piece one (131) is provided with a threaded fixing groove two (1313) matched with the threaded fixing groove one (1323), when the cylindrical connecting rod (1321) is placed at the end of the sliding groove (1312) farthest from the arc-shaped groove (1311), the threaded fixing groove one (1323) and the threaded fixing groove two (1313) are in the same straight line.

9. The apparatus for detecting the properties of polyimide foam according to claim 8, wherein: A plurality of friction strips are fixedly connected to the clamping surfaces of the clamping piece one (131) and the clamping piece two (132).

10. The apparatus for detecting the properties of polyimide foam according to claim 1, wherein: The cutting plate (21) is fixedly connected with a positioning strip (212) arranged perpendicularly to the cutting tool (223).

Images