CN221089680U - Combined rubber sample vulcanizing mold - Google Patents

Abstract

The utility model discloses a combined rubber sample vulcanizing mould, which relates to the technical field of vulcanizing moulds and comprises a lower mould, wherein an installation part is further arranged on the upper side of the lower mould, and the calendaring part comprises four rectangular test piece grooves formed in the top end of the lower mould. According to the combined rubber sample vulcanizing mold provided by the utility model, the lower mold and the upper mold are heated through the external vulcanizing machine, the rolling direction of the rubber sheet in the rectangular test piece groove is consistent with the arrow direction, redundant rubber material overflows into the rubber overflow groove, the lower mold and the upper mold are opened after vulcanization is finished, and the test piece is manually taken out from the rectangular test piece groove, and the directional arrow carved in the rectangular test piece groove can be used for distinguishing the rolling direction of rubber, so that the accuracy of test data is improved, and three types of rubber test pieces can be pressed simultaneously, so that the consistency of the vulcanizing efficiency of the rubber test piece is ensured.

Description

Combined rubber sample vulcanizing mold

Technical Field

The utility model relates to the technical field of vulcanization molds, in particular to a combined rubber sample vulcanization mold.

Background

Before the rubber compound is used, rubber samples with various shapes are pressed to test whether the performance meets the standard requirements, including tensile strength, elongation at break, hardness and the like, the rubber samples are commonly used and comprise rectangular test pieces, A-type blocks and B-type blocks, one set of corresponding molds is used for the rubber samples, and the molds are heated for preheating during each vulcanization.

For example, the utility model of application number 20120196103. X discloses a rubber test piece mold which is easy to open and has stable and uniform thickness, comprising a lower mold and an upper mold matched with the lower mold, wherein the lower mold is provided with a test piece groove for molding a test piece, the edge of the lower mold is provided with a plurality of mold opening holes, and the mold opening holes are positioned at the periphery of the test piece groove; the die opening hole penetrates through the lower die; and a die jacking mechanism is arranged in the die opening hole and can jack the upper die up downwards to finish die opening. The rubber test piece mold provided by the utility model has the advantages of easiness in mold opening, stable and uniform thickness of the test piece and the like.

Because the conventional test piece mold is required to be placed into a vulcanizing machine for vulcanizing when the mold is closed, the vulcanizing efficiency of the rubber sheet is poor because only two test piece grooves are formed in the mold.

Disclosure of utility model

The utility model is provided in view of the problem that the vulcanizing efficiency is low because only two test piece grooves are formed in the existing vulcanizing mold.

Accordingly, the present utility model is directed to a combined rubber sample vulcanization mold, which aims to: when the rubber test piece is vulcanized, three types of test pieces can be pressed simultaneously, and the consistency of the vulcanized three rubber test pieces is improved.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a combination formula rubber sample vulcanization mould, its includes bed die and last mould, the top of bed die and the mutual overlap joint of the bottom of last mould, the upside of bed die is equipped with the calendering part, the upside of bed die still is equipped with the installation component.

The calendaring part comprises four rectangular test piece grooves formed in the top end of the lower die, one of the four rectangular test piece grooves is provided with an A-shaped block groove, one of the four rectangular test piece grooves is provided with a B-shaped block groove, glue overflow grooves are formed in the four rectangular test piece grooves, and pointing arrows are arranged at the same corners of the four rectangular test piece grooves and are communicated with the glue overflow grooves.

As a preferable scheme of the combined rubber sample vulcanizing mold, the utility model comprises the following steps: the glue overflow groove comprises a transverse groove and a longitudinal groove which are arranged vertically, the transverse groove and the longitudinal groove are communicated in a crossing manner, and redundant glue overflows into the glue overflow groove.

As a preferable scheme of the combined rubber sample vulcanizing mold, the utility model comprises the following steps: four corners of the lower die are provided with positioning pins, the positioning pins are located on the periphery of the rectangular test piece groove, the four corners of the upper die are provided with stepped holes, the positions of the stepped holes correspond to those of the positioning pins, the stepped holes are set to be blind holes, and the four positioning pins are respectively clamped in the four stepped holes to position the lower die and the upper die.

As a preferable scheme of the combined rubber sample vulcanizing mold, the utility model comprises the following steps: the first grooves are formed in two sides of the lower die, and two first mounting holes are formed in the first grooves and are convenient for mounting the lower die.

As a preferable scheme of the combined rubber sample vulcanizing mold, the two sides of the upper mold are respectively provided with the second grooves, two second mounting holes are arranged in the second grooves, the first grooves are communicated with the second grooves, and the first mounting holes are communicated with the second mounting holes to quickly fix the lower mold and the upper mold.

The utility model has the beneficial effects that:

1. The lower die and the upper die are heated through the external vulcanizing machine, the calendering direction of the rubber sheet in the rectangular test piece groove is consistent with the direction of the arrow, redundant rubber material overflows into the overflow groove, the lower die and the upper die are opened after vulcanization is completed, the test piece is manually taken out from the rectangular test piece groove, and the directional arrow carved in the rectangular test piece groove can be used for distinguishing the calendering direction of the rubber, so that the accuracy of test data is improved, three types of rubber test pieces can be pressed simultaneously, and the consistency of the vulcanizing efficiency of the rubber test piece is further ensured.

2. The upper die and the lower die are assembled through the four stepped holes below the upper die and the four positioning pins above the lower die, then the external bolts penetrate through the first mounting holes and the second mounting holes, the upper die and the lower die are connected through the external bolts, the upper die and the lower die are conveniently and quickly abutted, the upper die and the lower die are prevented from being separated, and meanwhile, the upper die and the lower die can be fixed through bolts, so that the stability of the upper die and the lower die is guaranteed.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

FIG. 1 is a schematic diagram showing the overall structure of a vulcanizing mold for a combined rubber sample according to the present utility model.

FIG. 2 is a schematic cross-sectional perspective view of a vulcanizing mold for a combined rubber sample according to the present utility model.

FIG. 3 is an enlarged schematic perspective view of the combined rubber sample curing mold of the present utility model shown in FIG. 2A.

Fig. 4 is a schematic perspective view of the upper mold of the combined rubber sample vulcanizing mold according to the present utility model.

Fig. 5 is a schematic cross-sectional perspective view of the lower mold of the combined rubber sample vulcanizing mold according to the present utility model.

Reference numerals illustrate:

1. A lower die; 2. an upper die; 3. a calendaring member; 31. rectangular test piece grooves; 32. a block groove A; 33. a B-shaped block groove; 34. a glue overflow groove; 35. pointing to an arrow; 4. a mounting member; 41. a first mounting hole; 42. a second mounting hole; 43. a first groove; 44. a second groove; 45. a stepped hole; 46. and (5) positioning pins.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

Example 1

Referring to fig. 1 to 3, for the first embodiment of the present utility model, there is provided a combined rubber sample vulcanizing mold comprising a lower mold 1 and an upper mold 2, wherein the top end of the lower mold 1 and the bottom end of the upper mold 2 overlap each other, a rolling member 3 is provided on the upper side of the lower mold 1, and a mounting member 4 is also provided on the upper side of the lower mold 1.

The calendaring part 3 comprises four rectangular test piece grooves 31 formed in the top end of the lower die 1, one of the four rectangular test piece grooves 31 is provided with an A-shaped block groove 32, one of the four rectangular test piece grooves 31 is provided with a B-shaped block groove 33, the four rectangular test piece grooves 31 are internally provided with glue overflow grooves 34, the same corners of the four rectangular test piece grooves 31 are respectively provided with a directional arrow 35, and the rectangular test piece grooves 31 are communicated with the glue overflow grooves 34.

In the use process, the upper die 2 and the lower die 1 are arranged on an external vulcanizing machine, then the rubber sheet is placed into a rectangular test piece groove 31 of the lower die 1 which is preheated to a specified temperature, the rolling direction of the rubber sheet is kept consistent with the arrow direction, after the upper die 2 and the lower die 1 are clamped, the external vulcanizing machine heats and pressurizes the rubber sheet, so that the rubber sheet is shaped and vulcanized, in the molding process, excessive rubber material overflows into a glue overflow groove 34, so that a rubber test piece with uniform thickness is obtained, after vulcanization, the lower die 1 and the upper die 2 are opened by the external vulcanizing machine, the test piece is manually taken out from the rectangular test piece groove 31 after the vulcanization is completed, and the directional arrow 35 carved in the rectangular test piece groove 31 can be used for distinguishing the rolling direction of rubber, so that the accuracy of test data is improved, and the consistency of the vulcanization efficiency of the rubber test piece can be simultaneously pressed.

Example 2

Referring to fig. 1-5, a second embodiment of the present utility model is shown, which differs from the first embodiment in that:

The glue overflow groove 34 comprises a transverse groove and a longitudinal groove which are perpendicular to each other, the transverse groove and the longitudinal groove are mutually crossed and communicated, positioning pins 46 are arranged at four corners of the lower die 1 and positioned at the periphery of the rectangular test piece groove 31, stepped holes 45 are formed at four corners of the upper die 2, the positions of the stepped holes 45 correspond to those of the positioning pins 46, the stepped holes 45 are arranged as blind holes, the four positioning pins 46 are respectively clamped in the four stepped holes 45, the two sides of the lower die 1 are respectively provided with a first groove 43, two first mounting holes 41 are formed in the first groove 43, the two sides of the upper die 2 are respectively provided with a second groove 44, two second mounting holes 42 are formed in the second groove 44, the first grooves 43 are communicated with the second grooves 44, and the first mounting holes 41 are communicated with the second mounting holes 42.

In the use, in the process that upper die 2 and bed die 1 carry out the compound die through external vulcanizer, four shoulder holes 45 of upper die 2 below will dock with four locating pins 46 of bed die 1 top respectively, after upper die 2 and bed die 1 accomplish the compound die, can pass first mounting hole 41 and second mounting hole 42 with external bolt for external bolt passes first recess 43 and second recess 44, and upper die 2 and bed die 1 will also be connected through external bolt, have made things convenient for upper die 2 and bed die 1 dock fast, avoid upper die 2 and bed die 1 to break away from, simultaneously because of upper die 2 and bed die 1 accessible bolt are fixed, thereby ensure upper die 2 and bed die 1's stability.

The rest of the structure is the same as that of embodiment 1.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims (5)

1. The utility model provides a combination formula rubber sample vulcanization mould, includes bed die (1) and last mould (2), its characterized in that: the top end of the lower die (1) is in lap joint with the bottom end of the upper die (2), a calendaring part (3) is arranged on the upper side of the lower die (1), and a mounting part (4) is also arranged on the upper side of the lower die (1);

The calendaring part (3) comprises four rectangular test piece grooves (31) formed in the top end of the lower die (1), one of the four rectangular test piece grooves (31) is provided with an A-shaped block groove (32), one of the four rectangular test piece grooves (31) is provided with a B-shaped block groove (33), the four rectangular test piece grooves (31) are internally provided with glue overflow grooves (34), the same corners of the four rectangular test piece grooves (31) are provided with directional arrows (35), and the rectangular test piece grooves (31) are communicated with the glue overflow grooves (34).

2. The modular rubber specimen curing mold of claim 1, wherein: the glue overflow groove (34) comprises a transverse groove and a longitudinal groove which are arranged perpendicular to each other, and the transverse groove and the longitudinal groove are communicated in a crossing manner.

3. The modular rubber specimen curing mold of claim 1, wherein: four corners of lower mould (1) all are equipped with locating pin (46), and locating pin (46) are located the periphery of rectangle test block recess (31), four corners of last mould (2) all are equipped with shoulder hole (45), the position of shoulder hole (45) is corresponding with the position of locating pin (46), and shoulder hole (45) set up to the blind hole, four locating pins (46) joint respectively in four shoulder hole (45).

4. The modular rubber specimen curing mold of claim 1, wherein: the two sides of the lower die (1) are provided with first grooves (43), and two first mounting holes (41) are formed in the first grooves (43).

5. The modular rubber specimen curing mold of claim 4, wherein: the two sides of the upper die (2) are provided with second grooves (44), two second mounting holes (42) are formed in the second grooves (44), the first grooves (43) are communicated with the second grooves (44), and the first mounting holes (41) are communicated with the second mounting holes (42).