CN115026974A - Sectional type rubber track mould - Google Patents

Abstract

The invention provides a sectional type rubber track mold. The sectional type rubber track mold comprises a first mold and a second mold; through set up pin location portion on first mould and/or second mould, pin location portion is used for being fixed in the preset position of mould with the pin, so that the distance between the pin at sectional type rubber track's both ends is certain all the time, and make the steel wire of twining between two pins keep certain pretightning force all the time, because the steel wire that is drawing tight is being dragged to two fixed pins, make when laying the raw and other materials of track, the steel wire can not be in disorder each other, make the pitch of the track that vulcanizes stable, and tensile strength is high, and product quality is good.

Description

Sectional type rubber track mould

Technical Field

The invention relates to the field of design of crawler belt molds, in particular to a sectional type rubber crawler belt mold.

Background

Conventionally, a rubber crawler belt has a structure form of a whole ring structure, in which a reinforcing framework material is embedded as a tensile member in a longitudinal direction, and core metal is embedded at equal intervals. When the core metal in the annular rubber crawler belt is partially peeled off and falls off and the belt body framework material is broken, the rubber crawler belt walking device can be failed or scrapped. And the large-tonnage integral annular crawler belt needs to be vulcanized twice or more during vulcanization, at least four joints are generated, the appearance quality problem is easily caused, the vulcanization degree of the joint parts is uneven, and the service life of the crawler belt is shortened. Meanwhile, the large-tonnage crawler belt is very inconvenient to install and transport due to large volume and heavy tonnage.

In order to solve the above-mentioned defects, a segmented rubber crawler has been developed, as shown in fig. 1 and 2, which can be designed to have different lengths according to actual needs, and several segments of segmented rubber crawlers are assembled into a ring to realize the advantages of cost reduction, easy maintenance and convenient transportation, but the manufacturing process of the segmented rubber crawler is very different from that of the conventional annular crawler, and is difficult to process, and thus, a special segmented rubber crawler mold is required to be equipped for processing.

Disclosure of Invention

The invention mainly aims to provide a sectional type rubber track mold, which aims to solve the problem that a sectional type rubber track is difficult to process in the prior art.

In order to achieve the above object, according to one aspect of the present invention, there is provided a segmented rubber track mold for vulcanizing a segmented rubber track having a pin at each of both ends thereof, the two pins being connected to an elastomer through a wire frame, the segmented rubber track mold comprising: a first mold having a first cavity, a second mold disposed opposite the first mold, the second mold having a second cavity, the first mold and the second mold having a vulcanization position closed together, and the first mold and the second mold having a separation position separated from each other; when the first mold and the second mold are located at vulcanization positions, the first mold cavity and the second mold cavity surround to form a vulcanization cavity, the vulcanization cavity is used for filling raw materials, and the raw materials are vulcanized into a whole to form the sectional type rubber track by controlling the temperature of the first mold and the temperature of the second mold; the end parts of the first cavity and/or the second cavity are/is provided with a pin positioning part, and the pin positioning part is used for fixing the pins at the preset positions so as to fix the distance between the pins at the two ends of the sectional type rubber track.

Further, the pin positioning portion includes: the first accommodating groove and the second accommodating groove are respectively formed at two ends of the first cavity; the third accommodating groove and the fourth accommodating groove are respectively formed at two ends of the second cavity; wherein the first receiving groove and the third receiving groove encircle to secure a pin of a first end of the segmented rubber track and the second receiving groove and the fourth receiving groove encircle to secure a pin of a second end of the segmented rubber track when the first mold and the second mold are in the cure position.

Further, the pin positioning portion further includes: the first accommodating part is detachably connected with the pin; the second accommodating part is arranged on the second die; the first accommodating part is detachably connected with the second accommodating part.

Further, the first accommodating portion includes: the pin clamping device comprises a first pressing plate and a second pressing plate, wherein a first groove is formed in the first pressing plate, a second groove is formed in the second pressing plate, the first pressing plate can be detachably connected with the second pressing plate through a connecting piece, and when the first pressing plate is connected with the second pressing plate, the pin is locked in the first groove and the second groove by the first pressing plate and the second pressing plate; the second accommodating part is a pit formed in the second die, the cross section of the pit is wedge-shaped, and one end of the first accommodating part is inserted into the pit.

Furthermore, a limiting surface is arranged on the groove surface of the first groove and/or the second groove and is attached to a preset positioning surface of the pin so as to prevent the pin from rotating in the process of closing the second die and the first die.

Further, the slot has all been seted up at the both ends of pin, and pin location portion still includes: and when the pin is placed in the third accommodating groove or the fourth accommodating groove, at least part of the anti-rotation part is positioned in the groove so as to prevent the pin from rotating in the die closing process of the second die and the first die.

Furthermore, the cross section of the anti-rotating part is in a shape like a Chinese character 'by', the corresponding position of the second die is also provided with a Chinese character 'by' insertion space, and the insertion space is communicated with the third accommodating groove or the fourth accommodating groove.

Further, the cavity walls of the second cavity include a first cavity wall and a second cavity wall, and the second mold includes: the mould comprises a mould body, a first cavity wall and a second cavity wall, wherein the mould body is provided with a strip-shaped accommodating groove; the panel, panel detachably set up in rectangular shape holding tank, and the panel has the second cavity wall, and when the panel was located rectangular shape holding tank, the edge on first cavity wall and second cavity wall was connected, removed the panel so that vulcanize ripe sectional type rubber track and take out from the second cavity smoothly.

Furthermore, the mould body is provided with one or more strip-shaped accommodating grooves; the quantity of panel sets up with the quantity one-to-one of rectangular shape holding tank, and rectangular shape holding tank runs through in the both ends of mould body.

Furthermore, the two ends of the length direction of the inlaid strip are provided with connecting parts, and the connecting parts are at least one of connecting holes, buckles and bosses.

By applying the technical scheme of the invention, the pin positioning parts are arranged on the first die and/or the second die and are used for fixing the pins at the preset positions of the dies, so that the distance between the pins at two ends of the sectional rubber track is always constant, the steel wires wound between the two pins are always kept with a certain pretightening force, and the tightened steel wires are pulled by the two fixed pins, so that the steel wires are not scattered when the raw materials of the track are laid, the pitch of the vulcanized track is stable, the tensile strength is high, and the product quality is good.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 shows a schematic structural view of a segmented rubber track of the prior art;

FIG. 2 shows an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 shows a schematic structural view of an embodiment of the first and second molds according to the present invention in the vulcanizing position;

FIG. 4 shows a first structural schematic of an embodiment of the first and second dies according to the invention in a separated position;

FIG. 5 shows a second schematic construction of an embodiment of the first and second dies according to the invention in a separated position;

FIG. 6 shows a schematic structural view of the die body and the band of the first die and the second die according to the present invention;

FIG. 7 shows a schematic structural view of a first embodiment of a die body and a gib of a second die according to the invention;

FIG. 8 shows an enlarged schematic view of the structure at B in FIG. 7;

FIG. 9 shows an enlarged schematic view of the structure at C in FIG. 7;

FIG. 10 shows a schematic structural view of a second embodiment of the die body and the band of the second die according to the invention;

fig. 11 shows an enlarged schematic view of the structure at D in fig. 10.

Wherein the figures include the following reference numerals:

10. a pin; 11. a trench; 12. positioning the surface;

20. a first mold; 21. a first cavity; 22. a first accommodating groove; 23. a second accommodating groove;

30. a second mold; 31. a second cavity; 32. a third accommodating groove; 33. a fourth accommodating groove; 34. a mold body; 341. a strip-shaped accommodating groove 35 and a panel;

40. a pin locating part; 41. a first accommodating portion; 411. a first platen; 4111. a first groove; 42. a second accommodating portion; 421. a second platen; 4211. a second groove; 43. a limiting surface;

50. an anti-rotation member; 51. an insertion space;

60. and a core metal positioning space.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the accompanying drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may also be oriented 90 degrees or at other orientations and the spatially relative descriptors used herein interpreted accordingly.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.

Referring to fig. 3 to 11, according to an embodiment of the present invention, a segmented rubber track mold is provided.

As shown in figures 1 and 2, the sectional type rubber track mold is used for vulcanizing a sectional type rubber track, two ends of the sectional type rubber track are respectively provided with a pin 10, the two pins 10 are connected with an elastic body through a steel wire framework, the vulcanized sectional type rubber track can be freely spliced into annular tracks with different lengths, any part is damaged, and only one section of the sectional type rubber track needs to be replaced.

As shown in fig. 3 to 5, the segmented rubber track mold includes: a first mold 20 and a second mold 30, the first mold 20 having a first cavity 21, the second mold 30 being disposed opposite the first mold 20, the second mold 30 having a second cavity 31, the first mold 20 and the second mold 30 having a vulcanization position closed together, and the first mold 20 and the second mold 30 having a separation position separated from each other; when the first mold 20 and the second mold 30 are located at the vulcanization position, the first cavity 21 and the second cavity 31 surround to form a vulcanization cavity, the vulcanization cavity is used for filling raw materials, and the raw materials are vulcanized into a whole by controlling the temperature of the first mold 20 and the second mold 30 to form a sectional type rubber track; wherein the end of the first cavity 21 and/or the second cavity 31 is provided with a pin positioning portion 40, and the pin positioning portion 40 is used for fixing the pin 10 at a preset position so that the distance between the pins 10 at both ends of the segmental rubber track is fixed. Through set up pin location portion on first mould and/or second mould, pin location portion is used for being fixed in the preset position of mould with the pin, so that the distance between the pin at sectional type rubber track's both ends is certain all the time, and make the steel wire of twining between two pins keep certain pretightning force all the time, because the steel wire that is drawing tight is being dragged to two fixed pins, make when laying the raw and other materials of track, the steel wire can not be in disorder each other, make the pitch of the track that vulcanizes stable, and tensile strength is high, and product quality is good.

Further, the tracks are provided with pitches, the pitches of different track models are different, the number of the pitches causes the lengths of the sectional type rubber tracks to be different, in order to enable the moulds to have wider universality, the lengths of the first mould 20 and the second mould 30 are set to be adjustable, one pitch or a plurality of pitches of the tracks on the moulds are cut off by cutting the first mould 20 and the second mould 30 in a line mode, and the plurality of pitches of the first mould 20 and the second mould 30 are taken off or installed under the requirement of different track lengths so as to adapt to the length requirement of the sectional type rubber tracks with different pitches.

As shown in fig. 4 and 5, the pin positioning portion 40 includes: the first accommodating groove 22, the second accommodating groove 23, the third accommodating groove 32 and the fourth accommodating groove 33 are respectively formed at two ends of the first cavity 21, and the third accommodating groove 32 and the fourth accommodating groove 33 are respectively formed at two ends of the second cavity 31; wherein first receiving groove 22 and third receiving groove 32 surround to secure pin 10 of a first end of a segmented rubber track, and second receiving groove 23 and fourth receiving groove 33 surround to secure pin 10 of a second end of the segmented rubber track when first mold 20 and second mold 30 are in a vulcanization position. Through the arc holding tank of a plurality of symmetries that upper and lower mould set for, a complete chamber that holds can be constituteed with the holding tank that second mould 30 corresponds to the holding tank of first mould 20, be used for the fixed pin 10 that blocks, it is certain all the time to set up the distance between the pin that makes sectional type rubber track's both ends like this, and make the steel wire of twining between two pins remain certain pretightning force all the time, because taut steel wire is being dragged to two fixed pins, make when laying the raw and other materials of track, the steel wire can not be in disorder each other, make the pitch of the track that vulcanizes stable, and high tensile strength and good product quality.

As shown in fig. 7 to 9, the pin positioning portion 40 further includes: a first housing portion 41 and a second housing portion 42, the first housing portion 41 being detachably connected to the pin 10, the second housing portion 42 being opened to the second die 30; the first accommodating portion 41 is detachably connected to the second accommodating portion 42. First holding portion 41 can be the external subassembly of multiform, second holding portion 42 is adapting unit such as the pit that sets up on second mould 30, the hasp, the buckle, the screw, make the outline of pin enlarge through first holding portion 41, with first holding portion 41 and second holding portion 42 lug connection, it is more convenient to make the connection of pin 10 and second mould 30, make the appearance of pin 10 can be compacter, when guaranteeing again that distance stability and installation stability between the pin 10, the convenience of pin 10 installation at the mould has been improved.

As shown in fig. 8 and 9, the first housing portion 41 includes: the pin 10 is locked in the first groove and the second groove by the first pressing plate 411 and the second pressing plate 421 when the first pressing plate 411 is connected with the second pressing plate 421; the second receiving portion 42 is a recess opened in the second mold 30, the cross section of the recess is wedge-shaped, and one end of the first receiving portion 41 is used for being inserted into the recess. The arrangement facilitates connection of the pin 10 and the second die 30, so that the pin 10 can be more compact in appearance, and convenience in mounting the pin 10 on the die is improved while stability of distance between the pins 10 and mounting stability are guaranteed.

Further, a limiting surface 43 is arranged on the groove surface of the first groove and/or the second groove, and the limiting surface 43 is attached to the preset surface 12 of the pin 10 to prevent the pin 10 from rotating during the mold closing process of the second mold 30 and the first mold 20. Therefore, the pin can be better ensured not to rotate in the vulcanization process and the process of putting raw materials midway, so that the steel wires can not be scattered, and the quality stability of the product is improved.

As shown in fig. 10 and 11, grooves 11 are provided at both ends of the pin 10, and the pin positioning portion 40 further includes: and the anti-rotation part 50, wherein the anti-rotation part 50 is inserted into the second mold 30, and when the pin 10 is placed in the third accommodating groove 32 or the fourth accommodating groove 33, at least part of the anti-rotation part 50 is positioned in the groove 11 to prevent the pin 10 from rotating in the process of closing the second mold 30 and the first mold 20. Therefore, the pin can be better ensured not to rotate in the vulcanization process and the process of putting raw materials midway, so that the steel wires can not be scattered, and the quality stability of the product is improved. And the mode of opening slot 11 from the end is minimum to the cutting of pin 10, has guaranteed the prerequisite of the stability of technology under, and is the highest to pin 10 protectiveness of segmentation rubber track.

Further, as shown in fig. 11, the cross section of the anti-rotation member 50 is "from" shaped, a "from" shaped insertion space 51 is also formed at a corresponding position of the second mold 30, and the insertion space 51 is communicated with the third receiving groove 32 or the fourth receiving groove 33. The protrusion of the "free" shape ensures that the stud 10 does not rotate, and the base portion of the "free" shape is rectangular, which ensures that the bending stiffness of the protrusion is increased and will not be twisted by the stud 10.

As shown in fig. 4, 6 and 7, the cavity walls of the second cavity 31 include a first cavity wall and a second cavity wall, and the second mold 30 includes: mould body 34 and panel 35, mould body 34 has first chamber wall, and rectangular shape holding tank 341 has been seted up to mould body 34, and panel 35 detachably sets up in rectangular shape holding tank 341, and panel 35 has the second chamber wall, and when panel 35 was located rectangular shape holding tank 341, the edge on first chamber wall and second chamber wall was connected, removed panel 35 so that vulcanize ripe sectional type rubber track and take out in following second chamber 31 smoothly. The existing annular track is formed by adopting local vulcanization and repeated vulcanization, and the sectional type rubber track is formed by one-time vulcanization due to the particularity of the sectional type rubber track, so that the problem of taking out the vulcanized single-section track is avoided, therefore, the detachable panel 35 is adopted for driving, the vulcanization efficiency is greatly improved, the working strength is reduced, and the vulcanized sectional type rubber track can be taken out from the second mold 30 conveniently.

Further, the mold body 34 is provided with one or more strip-shaped receiving grooves 341; the number of the panels 35 and the number of the strip-shaped receiving grooves 341 are correspondingly arranged one by one, and the strip-shaped receiving grooves 341 penetrate through the two ends of the die body 34.

In order to facilitate separation of the gib 35 from the die body 34, the two ends of the gib 35 in the length direction are provided with connecting portions, and the connecting portions are at least one of a connecting hole, a buckle and a boss. An external tool is used to connect to the connecting portion and then move the band.

In addition to the foregoing, it should be noted that reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally throughout this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A segmented rubber track mold for vulcanizing a segmented rubber track, said segmented rubber track having a pin (10) at each end, two of said pins (10) being connected to an elastomer by a wire framework, said segmented rubber track mold comprising:

a first mold (20), the first mold (20) having a first cavity (21);

a second mold (30), said second mold (30) and said first mold (20) being oppositely disposed, said second mold (30) having a second cavity (31), said first mold (20) and said second mold (30) having a vulcanization position brought together, and said first mold (20) and said second mold (30) having a separation position separated from each other;

when the first mold (20) and the second mold (30) are located at a vulcanization position, the first cavity (21) and the second cavity (31) surround to form a vulcanization cavity, the vulcanization cavity is used for filling raw materials, and the raw materials are integrally vulcanized by controlling the temperature of the first mold (20) and the second mold (30) to form the segmented rubber track;

the end part of the first cavity (21) and/or the second cavity (31) is provided with a pin positioning part (40), and the pin positioning part (40) is used for fixing the pin (10) at a preset position so as to fix the distance between the pins (10) at two ends of the sectional type rubber track; the length of the first die (20) and the second die (30) are adjustable.

2. The segmented rubber track mold of claim 1, wherein the pin locating portion (40) comprises:

the first accommodating groove (22) and the second accommodating groove (23), wherein the first accommodating groove (22) and the second accommodating groove (23) are respectively formed at two ends of the first cavity (21);

a third accommodating groove (32) and a fourth accommodating groove (33), wherein the third accommodating groove (32) and the fourth accommodating groove (33) are respectively arranged at two ends of the second cavity (31);

wherein the first receiving groove (22) and the third receiving groove (32) enclose to secure a pin (10) of a first end of the segmented rubber track, and the second receiving groove (23) and the fourth receiving groove (33) enclose to secure a pin (10) of a second end of the segmented rubber track when the first mold (20) and the second mold (30) are in a vulcanization position.

3. The segmented rubber track mold of claim 1, wherein the pin locating portion (40) further comprises:

a first housing portion (41), the first housing portion (41) being detachably connected to the pin (10);

a second housing section (42), wherein the second housing section (42) is opened on the second mold (30);

the first housing portion (41) is detachably connected to the second housing portion (42).

4. The segmented rubber track mold of claim 3, wherein the first receptacle (41) comprises: the pin structure comprises a first pressing plate (411) and a second pressing plate (421), wherein a first groove is formed in the first pressing plate (411), a second groove is formed in the second pressing plate (421), the first pressing plate (411) can be detachably connected with the second pressing plate (421) through a connecting piece, and when the first pressing plate (411) is connected with the second pressing plate (421), the pin (10) is locked in the first groove and the second groove by the first pressing plate (411) and the second pressing plate (421);

the second accommodating part (42) is a pit formed in the second mold (30), the cross section of the pit is wedge-shaped, and one end of the first accommodating part (41) is inserted into the pit.

5. The segmented rubber track mold according to claim 4, wherein a limiting surface (43) is arranged on the groove surface of the first groove and/or the second groove, and the limiting surface (43) is in fit with a preset positioning surface (12) of the pin (10) so as to prevent the pin (10) from rotating during the process of closing the second mold (30) and the first mold (20).

6. The segmented rubber track mold of claim 2, wherein the pin (10) is grooved (11) at both ends, the pin locating portion (40) further comprising:

the anti-rotation part (50) is inserted into the second mold (30), when the pin (10) is placed in the third accommodating groove (32) or the fourth accommodating groove (33), at least part of the anti-rotation part (50) is located in the groove (11) to prevent the pin (10) from rotating in the process of closing the second mold (30) and the first mold (20).

7. The segmented rubber track mold according to claim 6, wherein the anti-rotation part (50) is in a shape like a Chinese character 'yu', an insertion space (51) in the shape like a Chinese character 'yu' is also formed at a corresponding position of the second mold (30), and the insertion space (51) is communicated with the third accommodating groove (32) or the fourth accommodating groove (33).

8. The segmented rubber track mold of claim 1, wherein the cavity walls of the second cavity (31) comprise a first cavity wall and a second cavity wall, the second mold (30) comprising:

the die comprises a die body (34), wherein the die body (34) is provided with a first cavity wall, and the die body (34) is provided with a strip-shaped accommodating groove (341);

the inlaid strip (35), the inlaid strip (35) detachably set up in rectangular shape holding tank (341), inlaid strip (35) have the second chamber wall, work as inlaid strip (35) are located in rectangular shape holding tank (341), first chamber wall with the edge on second chamber wall is connected, remove inlaid strip (35) so that vulcanize ripe sectional type rubber track smoothly from take out in second chamber (31).

9. The segmented rubber track mold of claim 8, wherein the mold body (34) defines one or more of the elongated receiving slots (341); the number of the inlaid strips (35) and the number of the strip-shaped accommodating grooves (341) are arranged in a one-to-one correspondence manner, and the strip-shaped accommodating grooves (341) penetrate through two ends of the die body (34).

10. The segmented rubber track mold of claim 8, wherein the two ends of the gib (35) in the length direction are provided with connecting parts, and the connecting parts are at least one of connecting holes, buckles and bosses.

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