Steel wire rope core conveying belt test sample vulcanization mold

Abstract

The invention relates to a steel wire rope core conveying belt test sample vulcanization mold, and relates to the field of steel wire rope core conveying belts, the steel wire rope core conveying belt test sample vulcanization mold comprises an upper mold and a lower mold, the opposite end faces of the upper mold and the lower mold are each provided with three mold cavities corresponding to one another, and the two sides of each mold cavity are each correspondingly provided with three steel wire rope grooves; the upper die and the lower die are further correspondingly provided with a positioning groove and a positioning block which are used for guiding and positioning, and meanwhile claw teeth for limiting the steel wire rope are further arranged on the two sides of the steel wire rope groove. The positioning accuracy of the mold cavity and the steel wire rope groove is improved during mold pressing, and then the quality and precision of a vulcanized sample are improved.

Description

Technical Field

[0001] The invention relates to the field of steel cord conveyor belts, in particular to a steel cord conveyor belt test sample vulcanization mould. Background Art

[0002] In the performance test of wire rope, the pull test is an important means to evaluate the quality and performance of wire rope. In order to accurately conduct the pull test, the sample needs to be vulcanized to meet the test requirements. However, the existing vulcanization molds often have problems such as inaccurate positioning, complex structure, and inconvenient operation, which cannot meet the needs of light self-centering, affecting the accuracy and efficiency of the test.

[0003] At present, a Chinese invention patent application with publication number CN 215448689 U and publication date January 7, 2022 proposes a vulcanization mold for detecting the bonding strength between a steel wire rope core and an intermediate rubber, comprising an upper mold and a lower mold, the upper mold being clamped on the top of the lower mold, and two mold grooves being provided on the opposite sides of the upper mold and the lower mold, and the space between the upper mold and the lower mold is filled with intermediate rubber raw material.

[0004] When in use, fill the upper mold and the lower mold with the braided buckle steel wire rope and the intermediate rubber raw material as required and close the mold so that the buckle steel wire rope and the intermediate rubber raw material are both in the mold groove, and then put them into a small flat vulcanizer for vulcanization. After vulcanization is completed, the mold is removed and the sample is taken out. The two pull rings at both ends of the buckle steel wire rope can be subjected to tensile testing by an electronic tensile testing machine at any time to calculate the bonding strength.

[0005] When placing the steel wire rope and rubber in the mold cavity, in order to allow the rubber to fill the mold cavity, more rubber is generally placed in the mold cavity before compression molding. With regard to the above-mentioned related technologies, due to the lack of accurate positioning devices, the rubber and the mold cavity may be offset or the steel wire rope may be offset during the compression molding process, affecting the accuracy of the test. Summary of the invention

[0006] In order to improve the accurate position of a steel wire rope sample during the vulcanization process and improve the dimensional accuracy and quality of the vulcanized sample, the present invention provides a vulcanization mold for a steel wire rope core conveyor belt test sample.

[0007] The present invention provides a vulcanization mold for a steel cord conveyor belt test specimen, which adopts the following technical solution: A vulcanizing mold for a test specimen of a steel cord conveyor belt comprises a first mold base and a second mold base, wherein the opposite end surfaces of the first mold base and the second mold base are both provided with mold cavities, the first mold base and the second mold base are both provided with a plurality of steel wire rope grooves at positions on both sides of the mold cavities, the end surface of the first mold base close to the second mold base is provided with a plurality of positioning blocks, the end surface of the second mold base close to the first mold base is provided with a plurality of positioning grooves, the plurality of positioning blocks are respectively arranged at four corners of the first mold base, the plurality of positioning grooves are respectively arranged at four corners of the second mold base, the positioning blocks are respectively inserted into the positioning grooves in a one-to-one correspondence; when the positioning blocks are inserted into the positioning grooves, the mold cavity of the first mold base corresponds to the mold cavity of the second mold base, and the steel wire rope groove of the first mold base corresponds to the steel wire rope groove of the second mold base.

[0008] By adopting the above technical solution, when using a vulcanization mold to make a wire rope sample, first, the rubber and the wire rope are placed in the mold cavity and the wire rope groove of the lower mold base respectively, and then the positioning block is inserted into a part of the positioning groove to realize the preliminary positioning of the upper mold base and the lower mold base, and finally the upper mold base and the lower mold base are clamped with the rubber and the wire rope and placed together in a die press for vulcanization; during the vulcanization process of the die press, the die press will move the first die base and the second die base closer along the direction of the positioning groove and the positioning block, and then press the first die base and the second die base together to vulcanize the rubber and the wire rope in the mold cavity. The setting of the positioning groove and the positioning block can play a guiding and limiting role at the four corners of the die base during the film pressing process, so that the first die base and the second die base are automatically positioned during the approach and pressing process, and then the positions of the mold cavity and the wire rope groove in the upper die base and the lower die base can be aligned, thereby improving the accuracy of the vulcanization sample.

[0009] Optionally, the angle between the positioning block and the end face of the first mold base close to the second mold base is a first angle, the angle between the positioning groove and the end face of the second mold base close to the first mold base is a second angle, the first angle and the second angle are both obtuse angles, and the first angle and the second angle are the same in size.

[0010] By adopting the above technical solution, the end faces of the positioning block and the first die seat are set to an obtuse angle so that the size of the positioning block gradually decreases toward the end close to the positioning groove, and the end faces of the positioning groove and the second die seat are set to an obtuse angle so that the opening of the positioning groove gradually increases toward the side close to the positioning block, and the first angle and the second angle are set to be the same size so that when the positioning block is inserted into the positioning groove, the side of the positioning groove can move along the side of the positioning block, thereby playing a guiding role. In this way, the size of the end of the positioning block close to the positioning groove is set to be smaller than the size of the side of the positioning groove close to the positioning block, which facilitates the alignment of the positioning groove and the positioning block, so that the positioning block can be inserted into the positioning groove more quickly; and the first angle and the second angle are set to be the same size, so that the positioning groove can play a guiding role for the positioning block, helping the first die seat and the second die seat to better guide and position, thereby increasing the probability of the sample maintaining the correct shape and position during the vulcanization process, and improving the sample accuracy.

[0011] Optionally, a separation groove is provided on an end surface of the first mold base close to the second mold base; and / or a separation groove is provided on an end surface of the second mold base close to the first mold base.

[0012] By adopting the above technical solution, the separation groove is set to leave a partial gap between the opposite end faces of the first mold base and the second mold base. After the compression molding and vulcanization are completed, a tool can be inserted into the separation groove to separate the first mold base and the second mold base, so as to better demolding and reduce the probability of damage to the sample.

[0013] Optionally, the separation groove is arranged on the end surface of the first mold base close to the second mold base and the end surface of the second mold base close to the first mold base, and the separation groove arranged on the first mold base and the separation groove arranged on the second mold base are located correspondingly.

[0014] By adopting the above technical solution, corresponding separation grooves are set at corresponding positions of the first mold base and the second mold base. When a tool is inserted into the separation groove to separate the first mold base and the second mold base, the tool can be abutted against the bottom of the separation groove, thereby reducing the contact between the tool and the end face of the first mold base or the second mold base, reducing scratches and abrasions on the surface of the first mold base or the second mold base, and extending the service life of the first mold base and the second mold base.

[0015] Optionally, an annular glue groove and a glue drainage groove are further provided on the end surface of the first mold base close to the second mold base and / or the end surface of the second mold base close to the first mold base, and the annular glue groove is provided on the periphery of the mold cavity, and the glue drainage groove connects the mold cavity and the annular glue groove, and one end of the glue drainage groove is connected to the mold cavity and / or the annular glue groove, and the other end is connected to the outside of the first mold base.

[0016] During compression molding, the rubber placed in the mold cavity is usually larger than the capacity of the mold cavity. Therefore, during compression molding and vulcanization, the excess rubber in the mold cavity needs to be discharged from the mold cavity, and when the rubber occupies the space in the mold cavity, the air in the mold cavity needs to be discharged. By adopting the above technical solution, the annular rubber groove can accommodate part of the rubber discharged from the mold cavity, and the rubber discharge groove can discharge the excess rubber and air in the mold cavity and the annular rubber groove from the mold cavity, ensuring that the rubber can evenly fill the mold cavity and improve the quality of the sample.

[0017] Optionally, the first mold base is a lower mold, the second mold base is an upper mold, the positioning block, the annular glue groove and the glue discharge groove are all arranged on the lower mold, and the positioning groove is arranged on the upper mold.

[0018] By adopting the above technical solution, the positioning groove is set on the upper mold, which can reduce the weight of the upper mold and facilitate the movement of the upper mold during mold closing and demolding; the annular rubber groove and the rubber discharge groove are set on the lower mold, which is convenient for uniformly processing the excess rubber in the vulcanized sample and the annular rubber groove after the upper mold is removed from the lower mold, thereby improving work efficiency.

[0019] Optionally, the lower mold is provided with a plurality of claw teeth near the edges on both sides, the claw teeth are respectively provided on both sides of the wire rope groove, the plurality of claw teeth are provided corresponding to the wire rope groove, and the claw teeth are used to limit the wire rope in the wire rope groove.

[0020] During die pressing, the rubber in the mold cavity will support the steel wire rope. At this time, the steel wire rope cannot be stably placed in the steel wire rope groove. In addition, the deformation of the rubber in the mold cavity during die pressing will drive the steel wire rope to move, thereby causing the position of the steel wire rope to change, affecting the accuracy of the sample. By adopting the above technical solution, the claws are set on both sides of the steel wire rope groove and correspond to the position of the steel wire rope groove. Before die pressing, the steel wire rope is placed in the steel wire rope groove, and the claws on both sides of the steel wire rope groove limit the steel wire rope, thereby limiting the steel wire rope in the axial direction, so that the steel wire rope always moves between the claws during die pressing, and gradually fits in the steel wire rope groove during die pressing. In this way, the claws can limit the steel wire rope to move in the steel wire rope groove, and then the steel wire rope fits in the steel wire rope groove when die pressing is completed, so that the steel wire rope is located in the correct position of the sample, improving the quality of the sample.

[0021] In summary, the present invention includes at least one of the following beneficial technical effects: 1. By setting the positioning block and the positioning groove, the first die base and the second die base can be accurately positioned when the mold is closed, and the first die base and the second die base can be moved in a predetermined direction during die pressing, so that the mold cavity and the wire rope groove can be aligned, thereby improving the quality of the sample in the mold cavity and the wire rope groove.

[0022] 2. The positioning block and the positioning groove are respectively provided with inclined structures to facilitate the alignment of the positioning block and the positioning groove and improve the mold closing efficiency.

[0023] 3. The claws are designed on both sides of the wire rope groove to limit the wire rope in the wire rope groove, so that the wire rope can only move between the claws during the film pressing process, and when the film pressing is completed, the wire rope can be stably fitted in the wire rope groove, so that when the film pressing is completed, the wire rope can be located in the correct position of the sample, thereby improving the quality of the sample.

[0024] 4. Separation grooves are set corresponding to the lower mold and the upper mold to facilitate the use of tools to insert the separation grooves to separate the lower mold and the upper mold during demoulding, thereby reducing the damage to the sample during demoulding. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a three-dimensional schematic diagram of the overall structure of an embodiment of the present invention; Figure 2 is a front view of the overall structure of an embodiment of the present invention; Figure 3 It is a left view of the overall structure of an embodiment of the present invention; Figure 4 is a top view of the overall structure of an embodiment of the present invention; Figure 5 yes Figure 4 AA section view; Figure 6 2 is a schematic diagram of the lower mold structure of an embodiment of the present invention; Figure 7 Schematic diagram of the upper mold structure of an embodiment of the present invention.

[0026] Explanation of the accompanying drawings: 1. first die base; 11. lower die; 2. second die base; 21. upper die; 3. die cavity; 4. wire rope groove; 5. positioning block; 51. positioning groove; 6. separation groove; 7. annular glue groove; 71. glue discharge groove; 8. claw teeth. DETAILED DESCRIPTION

[0027] The following combination Figures 1 to 7 The present invention is described in further detail.

[0028] The embodiment of the present invention discloses a vulcanization mold for a steel cord conveyor belt test specimen. Figures 1 to 4A vulcanization mold for a test specimen of a steel cord core conveyor belt mainly comprises a first mold base 1 and a second mold base 2. Three mold cavities 3 corresponding to each other are arranged on the opposite end surfaces of the first mold base 1 and the second mold base 2. Three wire rope grooves 4 are correspondingly arranged on both sides of each mold cavity 3. When making a vulcanization specimen of a steel cord core conveyor belt, the rubber material is placed in the mold cavity 3 of the lower mold base, and the steel wire rope is placed in the lower wire rope groove 4. Subsequently, the mold cavity 3 of the first mold base 1 is aligned with the mold cavity 3 of the second mold base 2. After aligning the wire rope groove 4 of the first mold base 1 with the wire rope groove 4 of the second mold base 2, the rubber material and the steel wire rope are clamped by using the first mold base 1 and the second mold base 2, and then the first mold base 1 and the second mold base 2 are placed together in a molding machine for vulcanization to make the specimen.

[0029] Reference Figure 5 and Figure 6 In this embodiment, the first mold base 1 is set as the lower mold 11, and the second mold base 2 is set as the upper mold 21. The lower mold 11 is a rectangular structure as a whole. Three completely identical mold cavities 3 are arranged on one end face of the lower mold 11. The three mold cavities 3 are distributed along the length direction of the lower mold 11. Wire rope grooves 4 are arranged on both sides of the mold cavity 3 and between the two long sides of the lower mold 11. Three wire rope grooves 4 are arranged between each mold cavity 3 and the long side of the lower mold 11, wherein the position of the wire rope groove 4 is perpendicular to the long side of the lower mold 11, and the wire rope groove 4 is arranged on the end face of the lower mold 11 where the mold cavity 3 is arranged.

[0030] Reference Figure 6 In order to facilitate the discharge of air and excess rubber inside the mold cavity 3 during molding, an annular glue groove 7 is provided on the outer ring of the mold cavity 3. The annular glue groove 7 surrounds the outside of the three mold cavities 3. A plurality of glue discharge grooves 71 are also provided on the end surface of the lower mold 11 where the annular glue groove 7 is provided. The glue discharge groove 71 connects the mold cavity 3 and the annular glue groove 7, and one end of the glue discharge groove 71 is connected to the mold cavity 3, and the other end of the glue discharge groove 71 is connected to the outer peripheral surface of the lower mold 11. The glue discharge groove 71 is vertically arranged to the edge of the lower mold 11.

[0031] Reference Figure 6 In order to align the mold cavities 3 of the lower mold 11 and the upper mold 21 with the wire rope groove 4 when the lower mold 11 and the upper mold 21 are closed, four positioning blocks 5 are respectively provided at the four corners of the lower mold 11, and the end faces of the positioning blocks 5 in contact with the lower mold 11 form an obtuse angle of 110 degrees with the end face of the lower mold 11.

[0032] Reference Figure 6In order to reduce the movement of the wire rope placed in the wire rope groove 4 of the lower die 11 during the die pressing process of the lower die 11 and the upper die 21, a plurality of claws 8 higher than the end face of the lower die 11 are provided on the end face of the lower die 11 where the wire rope groove 4 is provided. The claws 8 are provided at both sides of the wire rope groove 4, and the edges of the claws 8 are flush with the edges of the wire rope groove 4. In this embodiment, the wire rope groove 4 is a circular groove, and the edges of the claws 8 are tangent to the annular surface of the wire rope groove 4 in the vertical direction. In other embodiments, when the wire rope groove 4 is a rectangular groove, the edges of the claws 8 and the edges of the wire rope groove 4 are in the same vertical plane.

[0033] Reference Figure 6 In order to facilitate the separation of the lower mold 11 and the upper mold 21 after the die pressing is completed, separation grooves 6 are arranged at the four edge positions of the lower mold 11. The separation grooves 6 are groove structures lower than the end surface of the lower mold 11.

[0034] Reference Figure 5 and Figure 7 The upper mold 21 is a rectangular parallelepiped structure as a whole, and the length of the upper mold 21 is the same as that of the lower mold 11, and the width of the upper mold 21 is smaller than that of the lower mold 11. Three mold cavities 3 are arranged in the middle position of the upper mold 21, and the positions of the three mold cavities 3 arranged on the upper mold 21 correspond to the positions of the three mold cavities 3 arranged on the lower mold 11. A plurality of wire rope grooves 4 are correspondingly arranged on the upper mold 21, and the positions of the wire rope grooves 4 on the lower mold 11 and the wire rope grooves 4 on the upper mold 21 correspond to each other, and the wire rope grooves 4 on the lower mold 11 and the wire rope grooves 4 on the upper mold 21 are both semicircular grooves, and the wire rope grooves 4 on the lower mold 11 and the wire rope grooves 4 on the upper mold 21 are abutted together to form a circular wire rope groove 4 for limiting and fixing the wire rope.

[0035] Reference Figure 7 , four corners of the upper die 21 are provided with four positioning grooves 51 corresponding to the positioning block 5, the angle between the positioning groove 51 and the upper die 21 is 110 degrees, and the depth of the positioning groove 51 is the same as the height of the positioning block 5. When the lower die 11 and the upper die 21 are closed, the end face of the upper die 21 provided with the positioning groove 51 is facing the end face of the lower die 11 provided with the positioning block 5, and the positioning groove 51 is inserted into the positioning block 5, and the upper die 21 and the lower die 11 are squeezed to close the mold and position the lower die 11 and the upper die 21.

[0036] Reference Figure 7In order to cooperate with the separation groove 6 on the lower mold 11 and make the lower mold 11 and the upper mold 21 easier to separate, the upper mold 21 is provided with a separation groove 6 on the end surface close to the lower mold 11, and the position of the separation groove 6 on the upper mold 21 corresponds to the position of the separation groove 6 on the lower mold 11. When separating the upper mold 21 and the lower mold 11, a tool can be used to insert into the separation groove 6 corresponding to the upper mold 21 and the lower mold 11 to open the lower mold 11 and the upper mold 21, thereby reducing the probability of the tool contacting the opposite end surfaces of the lower mold 11 and the upper mold 21 and scratching the lower mold 11 and the upper mold 21.

[0037] In other embodiments, the second mold base 2 can also be set as the lower mold 11, and the first mold base 1 can be set as the upper mold 21. At the same time, the positions of the positioning block 5 and the positioning groove 51 can be interchanged, and the annular glue groove 7 and the glue discharge groove 71 set on the lower mold 11 can also be set on the upper mold 21.

[0038] The implementation principle of the vulcanization mold for a test specimen of a steel cord core conveyor belt according to an embodiment of the present invention is as follows: before compression molding, firstly, the rubber material is placed in the mold cavity 3 of the lower mold 11, and the steel wire ropes are placed in the steel wire rope grooves 4 connected to the mold cavity 3 respectively; secondly, the positioning grooves 51 of the upper mold 21 are aligned with the positioning blocks 5 of the lower mold 11, and the upper mold 21 is aligned and buckled with the lower mold 11; finally, the lower mold 11 and the upper mold 21 are placed together in a compression molding machine for compression molding; during the compression molding process, the rubber material in the mold cavity 3 will be deformed by heat and pressure, and will continuously fill the mold cavity 3; in the process of the rubber material filling the mold cavity 3, the air and excess rubber material in the mold cavity 3 will be discharged from the mold cavity 3 along the annular rubber groove 7 and the rubber discharge groove 71, thereby making the rubber material filled in the mold cavity 3 fuller, and at the same time, due to the rubber material and the steel wire rope When the rubber in the mold cavity 3 is in contact with each other, it will drive the steel wire rope to move when it is deformed. However, since claws 8 are provided on both sides of the steel wire rope groove 4, the steel wire rope will be restricted between the claws 8 during the movement, that is, the claws 8 will axially limit the steel wire rope, so that the steel wire rope in the steel wire rope groove 4 will not be offset, thereby making the position of the rubber and the steel wire rope in the mold cavity 3 more stable and accurate, thereby improving the quality of the vulcanized sample; after the die pressing is completed, the upper mold 21 and the lower mold 11 are taken out from the die pressing machine at the same time, firstly, a tool is used to extend into the separation groove 6 corresponding to the lower mold 11 and the upper mold 21 to open the lower mold 11 and the upper mold 21, and then the rubber in the mold cavity 3 is separated from the rubber in the annular rubber groove 7 and the rubber discharge groove 71, and finally the vulcanized sample in the mold cavity 3 is demolded to obtain the vulcanized sample.

[0039] In summary, the present application provides positioning blocks 5 and positioning grooves 51, so that the mold cavity 3 and the wire rope groove 4 can be accurately positioned when the lower mold 11 and the upper mold 21 are closed, and the lower mold 11 and the upper mold 21 can be moved in a predetermined direction during die pressing, and the mold cavity 3 and the wire rope groove 4 are further aligned, so that the rubber in the mold cavity 3 and the wire rope in the wire rope groove 4 can be combined according to the predetermined position during die pressing, thereby improving the quality of the vulcanized sample; claw teeth 8 are provided on both sides of the wire rope groove 4, and the wire rope in the wire rope groove 4 can be circumferentially limited on both sides of the wire rope groove 4. When pressing the film, The steel wire rope can be stabilized in the steel wire rope groove 4, so that when the film pressing is completed, the steel wire rope can be located in the correct position of the sample, thereby improving the quality of the sample; the annular glue groove 7 and the glue discharge groove 71 can discharge the excess glue and air in the mold cavity 3 during the molding, thereby making the glue filled in the mold cavity 3 fuller, further improving the quality of the vulcanized sample; the separation groove 6 corresponding to the lower mold 11 and the upper mold 21 is convenient for inserting a tool into the separation groove 6 to separate the lower mold 11 and the upper mold 21 during demolding, which can reduce the damage to the lower mold 11, the upper mold 21 and the sample during demolding.

[0040] The above are all preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A vulcanization mold for a steel cord conveyor belt test specimen, comprising a first mold base (1) and a second mold base (2), wherein the first mold base (1) and the second mold base (2) are both provided with mold cavities (3) on opposite end surfaces, and the first mold base (1) and the second mold base (2) are both provided with a plurality of steel wire rope grooves (4) at positions on both sides of the mold cavity (3), characterized in that: The end surface of the first mold base (1) close to the second mold base (2) is provided with a plurality of positioning blocks (5), and the end surface of the second mold base (2) close to the first mold base (1) is provided with a plurality of positioning grooves (51), the plurality of positioning blocks (5) are respectively arranged at the four corners of the first mold base (1), the plurality of positioning grooves (51) are respectively arranged at the four corners of the second mold base (2), and the positioning blocks (5) are plugged into the positioning grooves (51) in a one-to-one correspondence; When the positioning block (5) is inserted into the positioning groove (51), the mold cavity (3) of the first mold base (1) corresponds to the mold cavity (3) of the second mold base (2), and the wire rope groove (4) of the first mold base (1) corresponds to the wire rope groove (4) of the second mold base (2).

2. A steel cord conveyor belt test sample vulcanization mold according to claim 1, characterized in that: The angle between the positioning block (5) and the end surface of the first mold base (1) close to the second mold base (2) is a first angle, the angle between the positioning groove (51) and the end surface of the second mold base (2) close to the first mold base (1) is a second angle, the first angle and the second angle are both obtuse angles, and the first angle and the second angle are of the same size.

3. A steel cord conveyor belt test sample vulcanization mold according to any one of claims 1-2, characterized in that: A separation groove (6) is provided on the end surface of the first mold base (1) close to the second mold base (2); And / or a separation groove (6) is provided on the end surface of the second mold base (2) close to the first mold base (1).

4. A steel cord conveyor belt test sample vulcanization mold according to claim 3, characterized in that: The separation groove (6) is arranged on an end surface of the first mold base (1) close to the second mold base (2) and an end surface of the second mold base (2) close to the first mold base (1), and the separation groove (6) arranged on the first mold base (1) and the separation groove (6) arranged on the second mold base (2) are arranged in corresponding positions.

5. A steel cord conveyor belt test sample vulcanization mold according to any one of claims 1-2, characterized in that: An annular glue groove (7) and a glue discharge groove (71) are also provided on the end surface of the first mold base (1) close to the second mold base (2) and / or the end surface of the second mold base (2) close to the first mold base (1); the annular glue groove (7) is provided on the periphery of the mold cavity (3); the glue discharge groove (71) connects the mold cavity (3) and the annular glue groove (7); one end of the glue discharge groove (71) is connected to the mold cavity (3) and / or the annular glue groove (7); and the other end is connected to the outside of the first mold base (1).

6. A steel cord conveyor belt test sample vulcanization mold according to claim 5, characterized in that: The first die base (1) is a lower die (11), the second die base (2) is an upper die (21), the positioning block (5), the annular glue groove (7) and the glue discharge groove (71) are all arranged on the lower die (11), and the positioning groove (51) is arranged on the upper die (21).

7. A steel cord conveyor belt test sample vulcanization mold according to claim 6, characterized in that: The lower die (11) is provided with a plurality of claw teeth (8) near the edges on both sides. The claw teeth (8) are respectively provided on both sides of the wire rope groove (4). The plurality of claw teeth (8) are provided corresponding to the wire rope groove (4). The claw teeth (8) are used to limit the position of the wire rope in the wire rope groove (4).

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