Device for detecting tensile force of irradiation cross-linked polyethylene foam sheet

Abstract

The utility model discloses a tensile force detection device for an irradiation crosslinked polyethylene foam sheet, which comprises an operation table, and a tensile force detection device is mounted at the upper end of the operation table. According to the utility model, the drawing force detection device is installed, the two ends of the foam sheet are fixed through the foam sheet fixing assembly, the foam sheet is pressed by the pressing plate through rotating the screw rod, and the clamping cone is inserted into the foam sheet, so that the fixing effect of the foam sheet is improved, and the foam sheet is prevented from falling off in the pulling process; in addition, the arranged driving pulling assembly can be driven by a motor to enable the two ends of the foam piece to move in the opposite directions, then the foam piece can be stretched, compared with traditional manual pulling, more labor is saved, the operation burden of workers is relieved, an indicating head is made to move on scale marks through a connecting rod, and the operation efficiency is improved. The tensile force of the foam sheet can be determined through the position indicated on the scale line, the detection is convenient, and the efficiency of detecting the tensile force of the foam sheet can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tensile force detection, in particular to a tensile force detection device for irradiated cross-linked polyethylene foam sheets. Background Technique

[0002] Radiation cross-linked polyethylene is a material processed by radiation, which has excellent mechanical strength, thermal stability, corrosion resistance and wear resistance. Radiation cross-linking is a cross-linking process carried out under the irradiation of high-energy electron beams or rays. By cross-linking polyethylene molecular chains together, the performance and durability of the material can be improved.

[0003] After the foam sheet is irradiated and cross-linked, it is necessary to conduct a tensile test on it to facilitate the removal of unqualified foam sheets, and then master the tensile force of the foam sheet after irradiation and cross-linking. When the existing device conducts the test, it is necessary for workers to hold both ends of the foam sheet and stretch them in opposite directions to detect the tensile force of the foam sheet. However, long-term manual pulling increases the labor burden, and after pulling, it is also necessary to measure the stretched length with a measuring ruler, and the detection is rather troublesome. Content of the Utility Model

[0004] The purpose of the utility model is to provide a tensile force detection device for irradiated cross-linked polyethylene foam sheets, so as to solve the problems put forward in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A tensile force detection device for irradiated cross-linked polyethylene foam sheets, including an operating table, and a tensile force detection device is installed at the upper end of the operating table.

[0006] The tensile force detection device includes a driving and pulling component, the driving and pulling component is arranged at the upper end of the operating table, and foam sheet fixing components are fixedly installed on the left and right sides of the upper end of the driving and pulling component.

[0007] As a further preference of this technical solution, the operating table includes a support table, an installation groove is opened in the middle of the upper end of the support table, through grooves are opened at the front and rear sides of the support table, and scale lines are arranged on the front and rear sides of the upper end of the support table.

[0008] As a further preference of this technical solution, a switch is installed on the front side of the support table, an operation panel is installed on the front side of the support table, and the switch is electrically connected to the operation panel.

[0009] As a further optimization of this technical solution, the driving and pulling assembly includes a first mounting plate, which is fixedly connected to the edges at the left and right ends of the support platform. A double-headed screw rod is rotatably connected between the first mounting plates. One end of the double-headed screw rod is fixedly connected to a motor. Second mounting plates are fixedly connected to the edges on the left and right sides of the front and rear ends of the support platform. Guide rods are fixedly connected between the second mounting plates on the left and right sides. Sleeve ones are threadedly connected to the outer walls of the left and right sides of the double-headed screw rod. Sleeve twos are slidably connected to the outer walls of the guide rods. The upper ends of the sleeve one and the sleeve two are fixedly connected to a bottom plate.

[0010] In the above technical solution, the two ends of the foam sheet can be moved in opposite directions by the drive of the motor, so that the foam sheet can be stretched, which is more labor-saving compared with the traditional manual pulling.

[0011] As a further optimization of this technical solution, the foam sheet fixing assembly includes a base, which is fixedly connected to the bottom plate. Through holes are arranged in rows on the base. Screws are arranged in the front and rear grooves of the base through bearings. Pressure plates are threadedly connected to the outer walls of the screws. Handles are fixedly connected to the top sides of the screws.

[0012] As a further optimization of this technical solution, cone-shaped cards are arranged in rows on the bottom sides of the pressure plates, and the cone-shaped cards correspond to the through holes.

[0013] In the above technical solution, turning the screw makes the pressure plate press the foam sheet, and the arranged cone-shaped cards are inserted into the foam sheet, improving the fixing effect of the foam sheet and avoiding the detachment of the foam sheet during the pulling process.

[0014] As a further optimization of this technical solution, a sliding rod is fixedly connected in the installation groove. A sleeve three is slidably connected to the outer wall of the sliding rod. The upper end of the sleeve three is fixedly connected to a connecting plate. The sleeve three and the sleeve one are connected through the connecting plate. Connecting rods are fixedly connected to the front and rear sides of the connecting plate. The connecting rods pass through the through grooves. The other ends of the connecting rods are fixedly connected to indicating heads, and the indicating heads slide on the support platform.

[0015] In the above technical solution, the tensile force of the foam sheet can be determined through the position indicated on the scale line, which is convenient for detection and can improve the detection efficiency of the tensile force of the foam sheet.

[0016] The utility model provides a device for detecting the tensile force of irradiated cross-linked polyethylene foam sheets, which has the following beneficial effects:

[0017] (1) The utility model installs a tensile force detection device, which fixes both ends of the foam sheet through the provided foam sheet fixing component. By rotating the screw rod, the pressing plate presses the foam sheet, and the provided cone pierces into the foam sheet, improving the fixing effect of the foam sheet and avoiding the detachment of the foam sheet during the pulling process. In addition, the provided driving and pulling component can drive both ends of the foam sheet to move in opposite directions through the driving of the motor, thereby being able to stretch the foam sheet, which is more labor-saving compared to the traditional manual pulling and reduces the operation burden of workers.

[0018] (2) Through the provided connecting rod and indicating head in the utility model, during the pulling process of the foam sheet, the first sleeve and the second sleeve move to both sides, and at the same time, the third sleeve moves on the sliding rod. Through the connecting rod, the indicating head moves on the scale line, and the tensile force of the foam sheet can be determined through the position indicated on the scale line, which is convenient for detection and can improve the detection efficiency of the tensile force of the foam sheet. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic structural diagram of the overall foam sheet tensile force detection device of the utility model;

[0020] Figure 2 is the utility model Figure 1 schematic structural diagram of the driving and pulling component;

[0021] Figure 3 is the utility model Figure 2 enlarged view of FIG. A;

[0022] Figure 4 is the utility model Figure 1 schematic structural diagram of the foam sheet fixing component;

[0023] In the figure: 1, operating table; 2, tensile force detection device; 11, support table; 12, installation groove; 13, through groove; 14, scale line; 15, switch; 16, operation panel; 21, driving and pulling component; 22, foam sheet fixing component; a1, first mounting plate; a2, double-headed screw rod; a3, motor; a4, second mounting plate; a5, guide rod; a6, first sleeve; a7, second sleeve; a8, bottom plate; b1, base; b2, through hole; b3, screw rod; b4, handle; b5, pressing plate; b6, cone; c1, sliding rod; c2, third sleeve; c3, connecting plate; c4, connecting rod; c5, indicating head. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the utility model with reference to the accompanying drawings in the embodiments of the utility model.

[0025] The utility model provides the following technical solutions: As Figure 1 and Figure 2As shown in the figure, in this embodiment, a tensile force detection device for irradiated cross-linked polyethylene foam sheets includes an operation table 1. A tensile force detection device 2 is installed at the upper end of the operation table 1. The operation table 1 includes a support table 11. An installation groove 12 is opened in the middle of the upper end of the support table 11. Through grooves 13 are opened on the front and rear sides of the support table 11. Scale lines 14 are provided on the front and rear sides of the upper end of the support table 11. A switch 15 is installed on the front side of the support table 11. An operation panel 16 is installed on the front side of the support table 11. The switch 15 is electrically connected to the operation panel 16.

[0026] As Figure 2 and Figure 4 shown, the tensile force detection device 2 includes a driving and pulling component 21. The driving and pulling component 21 is arranged at the upper end of the operation table 1. Foam sheet fixing components 22 are fixedly installed on the left and right sides of the upper end of the driving and pulling component 21. The driving and pulling component 21 includes a first mounting plate a1. The first mounting plate a1 is fixedly connected to the edges at the left and right ends of the support table 11. A double-headed screw a2 is rotatably connected between the first mounting plates a1. One end of the double-headed screw a2 is fixedly connected to a motor a3. Mounting plates a4 are fixedly connected to the edges at the left and right sides of the front and rear ends of the support table 11. Guide rods a5 are fixedly connected between the mounting plates a4 on the left and right sides. Sleeve a6 is threadedly connected to the left and right outer walls of the double-headed screw a2. Sleeve a7 is slidably connected to the outer walls of the guide rods a5. The upper ends of the sleeve a6 and the sleeve a7 are fixedly connected to a bottom plate a8. The foam sheet fixing component 22 includes a base b1. The bases b1 are fixedly connected to the bottom plate a8. Through holes b2 are arranged in rows on the bases b1. Screws b3 are arranged in the front and rear grooves of the bases b1 through bearings. A pressing plate b5 is threadedly connected to the outer walls of the screws b3. Handles b4 are fixedly connected to the top sides of the screws b3. Conical pins b6 are arranged in rows on the bottom sides of the pressing plates b5. The conical pins b6 correspond to the through holes b2. By installing the tensile force detection device 2, the two ends of the foam sheet are fixed through the provided foam sheet fixing component 22. By rotating the screw b3, the pressing plate b5 presses the foam sheet, and the provided conical pins b6 are inserted into the foam sheet, improving the fixing effect of the foam sheet and preventing the foam sheet from falling off during the pulling process. In addition, the provided driving and pulling component 21 can drive the two ends of the foam sheet to move in opposite directions through the driving of the motor a3, thereby stretching the foam sheet, which is more labor-saving than the traditional manual pulling and reduces the operation burden of workers.

[0027] As Figure 1 and Figure 3As shown, a slide bar c1 is fixedly connected inside the installation groove 12. A third sleeve c2 is slidably connected to the outer wall of the slide bar c1. The upper end of the third sleeve c2 is fixedly connected to a connecting plate c3. The third sleeve c2 is connected to the first sleeve a6 through the connecting plate c3. Connecting rods c4 are fixedly connected to the front and rear sides of the connecting plate c3. The connecting rods c4 pass through the through slots 13. The other ends of the connecting rods c4 are fixedly connected to indicating heads c5. The indicating heads c5 slide on the support platform 11. By providing the connecting rods c4 and the indicating heads c5, during the pulling process of the foam sheet, the first sleeve a6 and the second sleeve a7 move towards both sides. At the same time, the third sleeve c2 moves on the slide bar c1. Through the connecting rods c4, the indicating heads c5 move on the scale lines 14. The tensile force of the foam sheet can be determined by the position indicated on the scale lines 14, which is convenient for detection and can improve the efficiency of detecting the tensile force of the foam sheet.

[0028] The present utility model provides a device for detecting the tensile force of irradiated cross-linked polyethylene foam sheets. The specific working principle is as follows: After the foam sheet is irradiated and cross-linked, it is necessary to conduct a tensile test on it. Start the motor a3 to drive the double-headed lead screw a2 to rotate, so that the foam sheet fixing components 22 at both ends move away from each other until the distance between the foam sheet fixing components 22 can accommodate the foam sheet; the user rotates the handle b4 to drive the screw b3 to rotate, so that the pressure plate b5 moves to press the two ends of the foam sheet, and the fixing effect of the foam sheet is further improved by providing the clamping cone b6; after the fixing is completed, start the motor a3 again to drive the double-headed lead screw a2 to rotate, so that the foam sheet fixing components 22 at both ends move away from each other, thereby pulling the foam sheet. During the stretching process, at the same time, the third sleeve c2 slides on the slide bar c1. Through the connecting rods c4, the indicating heads c5 move on the scale lines 14 until the indicating heads c5 stop moving. Add up the distances that the indicating heads c5 on both sides move and compare with the initial length of the foam sheet, and the tensile force of the foam sheet can be determined.

[0029] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A device for detecting the tensile force of an irradiated cross-linked polyethylene foam sheet, comprising an operating table (1), characterized in that: A tensile force detection device (2) is installed on the upper end of the operating table (1); The tensile force detection device (2) comprises a driving and pulling component (21), wherein the driving and pulling component (21) is arranged at the upper end of the operating table (1), and foam sheet fixing components (22) are fixedly mounted on the left and right sides of the upper end of the driving and pulling component (21); The driving and pulling assembly (21) comprises a mounting plate 1 (a1), wherein the mounting plate 1 (a1) is fixedly connected to the left and right edges of the support platform (11), a double-headed screw (a2) is rotatably connected between the mounting plates 1 (a1), one end of the double-headed screw (a2) is fixedly connected to a motor (a3), the left and right edges of the front and rear ends of the support platform (11) are fixedly connected to mounting plates 2 (a4), the left and right mounting plates 2 (a4) are fixedly connected to each other, sleeves 1 (a6) are threadedly connected to the left and right outer walls of the double-headed screw (a2), sleeves 2 (a7) are slidably connected to the outer walls of the guide rods (a5), and a bottom plate (a8) is fixedly connected to the upper ends of the sleeves 1 (a6) and the sleeves 2 (a7); The foam sheet fixing assembly (22) comprises a base (b1), the base (b1) is fixedly connected to the bottom plate (a8), the base (b1) is provided with through holes (b2) arranged in an array, screws (b3) are arranged in the front and rear grooves of the base (b1) through bearings, the outer wall of the screw (b3) is threadedly connected to a pressure plate (b5), and the top side of the screw (b3) is fixedly connected to a handle (b4); The bottom side of the pressing plate (b5) is provided with clamping cones (b6) arranged in an array, and the clamping cones (b6) correspond to the through holes (b2).

2. The device for detecting tensile force of irradiated cross-linked polyethylene foam sheet according to claim 1, characterized in that: The operating table (1) comprises a support table (11), a mounting groove (12) is provided in the middle of the upper end of the support table (11), through grooves (13) are provided on the front and rear sides of the support table (11), and scale lines (14) are provided on the front and rear sides of the upper end of the support table (11).

3. The device for detecting the tensile force of a radiation cross-linked polyethylene foam sheet according to claim 2, characterized in that: A switch (15) is installed on the front side of the support platform (11), and an operating panel (16) is installed on the front side of the support platform (11), wherein the switch (15) is electrically connected to the operating panel (16).

4. The device for detecting tensile force of irradiated cross-linked polyethylene foam sheet according to claim 2, characterized in that: A sliding rod (c1) is fixedly connected inside the installation groove (12), and a sleeve three (c2) is slidably connected to the outer wall of the sliding rod (c1), and a connecting plate (c3) is fixedly connected to the upper end of the sleeve three (c2), and the sleeve three (c2) is connected to the sleeve one (a6) via the connecting plate (c3), and connecting rods (c4) are fixedly connected to the front and rear sides of the connecting plate (c3), and the connecting rods (c4) pass through the through groove (13), and the other ends of the connecting rods (c4) are fixedly connected to the indicating heads (c5), and the indicating heads (c5) slide on the support platform (11).

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