Load device of melt index tester for cable material

Abstract

The utility model discloses a load device of a melt index tester for cable materials, and relates to the technical field of cable material melt index testing. The device comprises a bottom plate, the surface of the bottom plate is fixedly connected with an installation box, an air cylinder is fixedly installed on the inner wall of the top of the installation box, one end of a piston rod of the air cylinder is fixedly connected with a pressure sensor, the bottom of the pressure sensor is fixedly connected with a fixing base, and a sliding block is slidably connected into the fixing base. Two symmetrically-arranged vertical plates are fixedly connected to the bottom of the sliding block, a pressing rod is rotationally connected between the two vertical plates, and a positioning rod used for limiting the pressing rod is inserted between the two vertical plates. According to the utility model, the weight does not need to be manually added, the use is convenient for people, meanwhile, the residual raw materials in the charging barrel do not need to be pressed out by brute force, the probability of contact between people and the cavity is reduced, the scalding risk is reduced, the feeding is convenient for people, the height of equipment is reduced, and the occupied space of the equipment is saved.

Description

Technical Field

[0001] The utility model belongs to the technical field of melt index testing of cable materials, and particularly relates to a load device for a melt index tester for cable materials. Background Technique

[0002] The melt index, whose full name is melt flow index or melt flow rate, is a numerical value representing the fluidity during the processing of plastic materials. It is of great significance for evaluating the viscous flow characteristics of thermoplastic plastics in the molten state. A melt index tester is a special instrument for measuring the melt index of plastic materials.

[0003] During the use of the device, weights are required for loading. The main defects of using weights for loading are as follows. The general test requirement is a load of 2.16 kg - 21.6 kg. For different loads, manual counterweighting (combining multiple weights into the required weight) is needed, and then the weighted weights are manually placed on the gravity sensing rod of the melt index tester for testing, which is cumbersome. After the test, when cleaning, there is still remaining material in the melt index tester that needs to be discharged. Currently, the operation is to manually press it down forcefully from the gravity sensing rod. This process requires strength. It is very difficult for female employees with less strength to clean, and there is a risk of scalding (the cavity part of the melt index tester needs to be heated during testing, with a temperature of 120 - 230 °C). Therefore, a load device for a melt index tester for cable materials is proposed. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a load device for a melt index tester for cable materials, which does not require manual addition of weights, is convenient for people to use. At the same time, it does not require brute force to press out the remaining raw materials in the barrel manually, reduces the probability of human contact with the cavity, reduces the risk of scalding, and is convenient for people to feed materials. At the same time, it reduces the height of the equipment and saves the space occupied by the equipment, solving the existing technical problems.

[0005] To solve the above technical problems, the utility model is realized through the following technical solutions:

[0006] A load device for a melt index tester for cable materials, comprising: a bottom plate, on the surface of the bottom plate is fixedly connected with an installation box, on the inner wall of the top of the installation box is fixedly installed a cylinder, one end of the piston rod of the cylinder is fixedly connected with a pressure sensor, the bottom of the pressure sensor is fixedly connected with a fixed seat, a slider is slidably connected in the fixed seat, the bottom of the slider is fixedly connected with two symmetrically arranged vertical plates, a pressure rod is rotatably connected between the two vertical plates. The setting of pneumatically controlling the downward movement of the pressure rod makes it convenient for people to use during the test, without the need to manually add weights. A positioning rod for limiting the pressure rod is inserted between the two vertical plates. One end of the positioning rod penetrates through one of the vertical plates and is fixedly connected with a tension spring therebetween. A positioning block for limiting the pressure rod is fixedly connected between the two vertical plates. After the pressure rod continuously moves downward, the remaining raw materials can be discharged, without the need for people to use brute force to press out the remaining raw materials in the barrel, reducing the probability of people coming into contact with the cavity and reducing the risk of scalding;

[0007] On the surface of the bottom plate are fixedly connected with a plurality of support rods, and between the tops of the plurality of support rods is fixedly connected with a barrel. The pressure rod is used in cooperation with the barrel. Through the setting that the pressure rod can rotate, when people are feeding materials, they can rotate the pressure rod, and then rotate the pressure rod to one side, which is convenient for people to feed materials, and at the same time reduces the height of the equipment and saves the space occupied by the equipment.

[0008] As a further scheme of the present utility model, a jack is opened on one side of the slider, and a fixing bolt is threadedly connected to one side of the fixed seat. One end of the fixing bolt is inserted into the jack for fixing the slider.

[0009] As a further scheme of the present utility model, a collection box is arranged on the surface of the bottom plate. The collection box is located below the barrel for receiving the dropped molten material.

[0010] As a further scheme of the present utility model, a slideway is opened on the surface of the bottom plate, a sliding frame is slidably connected in the slideway, and a baffle is fixedly connected to the top of the sliding frame.

[0011] As a further scheme of the present utility model, the baffle is made of transparent acrylic.

[0012] As a further scheme of the present utility model, a plurality of support feet are threadedly connected to the bottom of the bottom plate.

[0013] In this application, during use, after the barrel is preheated, the raw materials in granular form are put into the barrel. Before putting them in, pull the positioning rod. The positioning rod disengages from the restriction on the pressure rod, and then rotate the pressure rod to make it parallel to the top of the barrel. Then release the pressure rod. The pressure rod resets under the action of the tension spring and then moves to below the pressure rod to prevent the pressure rod from falling. Subsequently, the granular raw materials are introduced into the barrel through an external feeding hopper, which facilitates people to feed the materials, reduces the height of the equipment, and saves the occupied space. After the feeding is completed, similarly reset the pressure rod, and then start the cylinder. The cylinder pushes the pressure rod downward to apply pressure during the fusion of the raw materials. Monitor the pressure of the cylinder through the pressure sensor to control the pressure of the cylinder, which is convenient for people to use and does not require manual addition of weights. After the pressure rod continues to move downward, the remaining raw materials can be discharged, eliminating the need for manual brute force to press out the remaining raw materials in the barrel, reducing the probability of contact between people and the cavity, and reducing the risk of burns.

[0014] The embodiments of the present utility model have the following beneficial effects:

[0015] In the present utility model, the setting of pneumatically controlling the downward movement of the pressure rod makes it convenient for people to use during the test, without the need for manual addition of weights. After the pressure rod continues to move downward, the remaining raw materials can be discharged, eliminating the need for manual brute force to press out the remaining raw materials in the barrel, reducing the probability of contact between people and the cavity, and reducing the risk of burns.

[0016] In the present utility model, the setting that the pressure rod can be rotated enables people to rotate the pressure rod to one side during the feeding process, which is convenient for people to feed the materials, reduces the height of the equipment, and saves the occupied space of the equipment.

[0017] In the present utility model, there is no need for manual addition of weights, which is convenient for people to use. At the same time, there is no need for manual brute force to press out the remaining raw materials in the barrel, reducing the probability of contact between people and the cavity, reducing the risk of burns, facilitating people to feed the materials, reducing the height of the equipment, and saving the occupied space of the equipment.

[0018] Of course, it is not necessary for any product implementing the present utility model to achieve all the above-mentioned advantages simultaneously. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for describing the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0020] Figure 1 It is a three-dimensional structure diagram of an embodiment of the present utility model;

[0021] Figure 2 is a schematic diagram of a partial decomposition structure of an embodiment of the present utility model;

[0022] Figure 3 is a schematic diagram of the installation structure of the positioning rod of an embodiment of the present utility model;

[0023] Figure 4 is an embodiment of the present utility model Figure 3 schematic diagram of another perspective structure.

[0024] In the figure: 1, bottom plate; 2, installation box; 3, cylinder; 4, support rod; 5, material cylinder; 6, slideway; 7, sliding frame; 8, baffle; 9, collection box; 10, support foot; 11, pressure sensor; 12, fixed seat; 13, slider; 14, fixing bolt; 15, jack; 16, vertical plate; 17, pressing rod; 18, positioning rod; 19, tension spring; 20, positioning block. Specific embodiments

[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0026] In the description of the present utility model, it should be understood that the terms "opening", "upper", "middle", "length", "inner", etc. indicating the orientation or position relationship are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0027] In order to keep the following description of the embodiments of the present utility model clear and concise, the detailed description of known functions and known components is omitted in the present utility model.

[0028] Embodiment 1

[0029] Please refer to Figures 1 - 4As shown in the figure, in this embodiment, a tester load device is provided, including: a bottom plate 1, on the surface of the bottom plate 1, an installation box 2 is fixedly connected, on the inner wall of the top of the installation box 2, a cylinder 3 is fixedly installed, at one end of the piston rod of the cylinder 3, a pressure sensor 11 is fixedly connected. The pressure sensor 11 is a prior art for monitoring the magnitude of pressure. Its working principle and usage method will not be elaborated here. At the bottom of the pressure sensor 11, a fixed seat 12 is fixedly connected. Inside the fixed seat 12, a slider 13 is slidably connected. At the bottom of the slider 13, two symmetrically arranged vertical plates 16 are fixedly connected. The slidable slider 13 enables the slider 13 to be replaced, making it flexible to use. Between the two vertical plates 16, a pressure lever 17 is rotatably connected. Between the two vertical plates 16, a positioning rod 18 for limiting the pressure lever 17 is inserted. One end of the positioning rod 18 penetrates through one of the vertical plates 16 and a tension spring 19 is fixedly connected therebetween. Between the two vertical plates 16, a positioning block 20 for limiting the pressure lever 17 is fixedly connected. By monitoring the pressure of the cylinder 3 through the pressure sensor 11, the pressure of the cylinder 3 is controlled, which is convenient for people to use and does not require manual addition of weights. After the pressure lever 17 continuously moves downward, the remaining raw materials can be discharged, eliminating the need for manual brute force to press out the remaining raw materials in the material cylinder 5, reducing the probability of human contact with the cavity and reducing the risk of scalding;

[0030] On the surface of the bottom plate 1, a plurality of support rods 4 are fixedly connected. Between the tops of the plurality of support rods 4, a material cylinder 5 is fixedly connected. The pressure lever 17 is used in cooperation with the material cylinder 5. The material cylinder 5 is a prior structure for melting granular raw materials.

[0031] This application can be used in the field of melt index testing of cable materials and can also be used in other fields applicable to this application.

[0032] Embodiment 2

[0033] Reference Figures 1 - 4 , on the basis of Embodiment 1, an improved melt index tester load device for cable materials is provided, which is applied to the field of melt index testing of cable materials.

[0034] In the present utility model, on one side of the slider 13, a jack 15 is provided. On one side of the fixed seat 12, a fixing bolt 14 is threadedly connected. One end of the fixing bolt 14 is inserted into the jack 15 for fixing the slider 13. The slider 13 is fixed by the fixing bolt 14.

[0035] In particular, on the surface of the bottom plate 1, a collection box 9 is provided. The collection box 9 is located below the material cylinder 5 for receiving the dropped molten material. The collection box 9 is used to collect the falling raw materials.

[0036] It should be noted that a slideway 6 is formed on the surface of the bottom plate 1. A sliding frame 7 is slidably connected in the slideway 6. A baffle 8 is fixedly connected to the top of the sliding frame 7. The baffle 8 is made of transparent acrylic. The baffle 8 is used to block the falling raw materials to prevent the raw materials from flying out and scalding the staff.

[0037] In the present utility model, a plurality of supporting feet 10 are threadedly connected to the bottom of the bottom plate 1, and the supporting feet 10 can adjust the horizontality of the bottom plate 1.

[0038] It should be noted that in the description of this specification, the descriptions such as "first", "second", etc. are only used to distinguish each feature, and have no actual order or directional meaning. The present application is not limited thereto.

[0039] In the description of this specification, the description of the reference terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0040] The preferred embodiments of the present utility model disclosed above are only used to help explain the present utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the present utility model to the specific embodiments described. Obviously, many modifications and variations can be made according to the content of this specification. These embodiments are selected and specifically described in this specification to better explain the principles and practical applications of the present utility model, so that those skilled in the art can well understand and utilize the present utility model. The present utility model is only limited by the claims and their full scope and equivalents.

Claims

1. A load device for a melt index tester for cable materials, characterized in that, Including: A bottom plate (1), on the surface of the bottom plate (1) is fixedly connected with a mounting box (2), on the inner wall of the top of the mounting box (2) is fixedly installed a cylinder (3), one end of the piston rod of the cylinder (3) is fixedly connected with a pressure sensor (11), the bottom of the pressure sensor (11) is fixedly connected with a fixing seat (12), a slider (13) is slidably connected in the fixing seat (12), the bottom of the slider (13) is fixedly connected with two symmetrically arranged vertical plates (16), a pressing rod (17) is rotatably connected between the two vertical plates (16), a positioning rod (18) for limiting the pressing rod (17) is inserted between the two vertical plates (16), one end of the positioning rod (18) penetrates through one of the vertical plates (16) and is fixedly connected with a tension spring (19) therebetween, and a positioning block (20) for limiting the pressing rod (17) is fixedly connected between the two vertical plates (16); On the surface of the bottom plate (1) are fixedly connected with a plurality of support rods (4), between the tops of the plurality of support rods (4) is fixedly connected with a material cylinder (5), and the pressing rod (17) is used in cooperation with the material cylinder (5).

2. The load device of a melt index tester for cable materials according to claim 1, characterized in that, On one side of the slider (13) is provided with a jack (15), on one side of the fixing seat (12) is threadedly connected with a fixing bolt (14), and one end of the fixing bolt (14) is inserted into the jack (15) for fixing the slider (13).

3. The load device of a melt index tester for cable materials according to claim 1, characterized in that On the surface of the bottom plate (1) is provided with a collection box (9), and the collection box (9) is located below the material cylinder (5) for receiving the dropped molten material.

4. The load device of a melt index tester for cable materials according to claim 3, characterized in that, On the surface of the bottom plate (1) is provided with a slideway (6), a sliding frame (7) is slidably connected in the slideway (6), and the top of the sliding frame (7) is fixedly connected with a baffle (8).

5. The load device of a melt index tester for cable materials according to claim 4, characterized in that, The baffle (8) is made of transparent acrylic.

6. The load device of a melt index tester for cable materials according to claim 1, characterized in that, On the bottom of the bottom plate (1) are threadedly connected with a plurality of support feet (10).

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