CN216327922U - Clamp apparatus - Google Patents

Abstract

The utility model provides a clamp for clamping a curing bladder, which comprises two clamping components arranged oppositely, wherein each clamping component comprises a chuck plate and a pressure plate which are connected with each other, and a clamping space is enclosed by the pressure plate and the chuck plate; the platen has a first step structure at which at least a portion of the chuck is disposed; along the circumferential direction of the vulcanizing capsule, the two clamping assemblies are respectively clamped at two clamping positions of the vulcanizing capsule through respective clamping spaces; the vertical height of the first step side face of the first step structure of the pressure plates of the two clamping assemblies is equal, so that the size of the pressure plates of the two clamping assemblies is uniform, the processing of the two pressure plates is simplified, the manufacturing of the clamp is further simplified, the complexity of the clamp manufacturing is reduced, and the problem of high complexity of the capsule clamp manufacturing in the prior art is solved.

Description

Clamp apparatus

Technical Field

The utility model relates to the field of tire mold processing, in particular to a clamp.

Background

In the vulcanization process of the tire blank, the tire shaping is mainly realized by capsule vulcanization; wherein, the dismouting of capsule, fixed need use capsule anchor clamps to realize.

In the prior art, the upper pressure plate and the lower pressure plate of the capsule clamp assembly are different in size, two dies are required to be used for processing respectively, the complexity of capsule clamp manufacturing is increased, and the manufacturing cost of the capsule clamp is further increased.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a clamp to solve the problem that the capsule clamp in the prior art is high in manufacturing complexity.

In order to achieve the above object, the present invention provides a clamp for clamping a curing bladder, the clamp comprising two clamping assemblies oppositely arranged, each clamping assembly comprising a chuck and a pressure plate connected with each other, and the pressure plate and the chuck enclosing a clamping space; the platen has a first step structure at which at least a portion of the chuck is disposed; along the circumferential direction of the vulcanizing capsule, the two clamping assemblies are respectively clamped at two clamping positions of the vulcanizing capsule through respective clamping spaces; the vertical heights of the first step sides of the first step structures of the two clamping assemblies are equal.

Further, the chuck comprises a chuck body with a first side surface and a first protrusion part convexly arranged on the first side surface; the chuck body is arranged at the first step structure, the first side surface is used for being in contact with the first step side surface of the first step structure in an attaching mode, and the second side surface, adjacent to and connected with the first side surface, of the chuck body is used for being in contact with the first step surface of the first step structure in an attaching mode; the outer peripheral surface of the first protruding portion, the first side surface and a third side surface of the pressure plate, which is adjacent to and connected with the first step side surface of the first step structure, enclose a clamping space together.

Further, the two clamping assemblies are respectively a first clamping assembly and a second clamping assembly, a chuck of the second clamping assembly comprises a chuck body, the chuck body is provided with a first end and a second end along the extending direction of the central axis of the curing bladder, and the first end of the chuck body is used for being arranged at the first step structure; a second protruding part is convexly arranged on the side surface between the first end and the second end of the chuck body, and the protruding direction of the second protruding part is vertical to the extending direction of the central axis of the vulcanization capsule; the second protrusion is located at the second end of the chuck body such that at least a portion of an outer peripheral surface of the second protrusion is flush with the second end face of the chuck body and collectively forms a mating surface for mating with a base member of a curing press.

Further, the range of the protrusion height of the second protrusion part is 8mm to 12 mm; and/or the width of the protruding end surface of the second protruding part ranges from 15mm to 20mm in a direction parallel to the extending direction of the central axis of the curing bladder.

Further, each clamping assembly also comprises a supporting part connected with the pressure plate, and the supporting part is provided with a supporting surface which extends along the circumferential direction of the curing capsule and is used for contacting with the outer wall surface of the curing capsule; the supporting part is provided with a second step structure, and the pressure plate is arranged at the second step structure; the pressing plate is provided with a third side surface and a fifth side surface which are oppositely arranged along the direction vertical to the extending direction of the central axis of the vulcanization capsule, the third side surface is used for enclosing a clamping space, and the fifth side surface is used for being attached and contacted with a second step surface of the second step structure; the pressing disc is also provided with a sixth side surface which is adjacent to and connected with the fifth side surface, and the sixth side surface is used for being in contact with the second step side surface of the second step structure in a fitting manner; the preset included angle between the sixth side face and the fifth side face is an obtuse angle.

Further, the preset included angle between the sixth side surface and the fifth side surface of the two clamping assemblies is equal.

Further, the value range of the preset included angle is 105 degrees to 110 degrees.

Further, the vertical heights of the second step side surfaces of the two clamping assemblies are equal, and the vertical height of the second step side surface is the height of the second step side surface relative to the second step surface and along the direction perpendicular to the second step surface.

Further, the vertical height of the second step side ranges from 25mm to 30 mm.

Further, the pressing plates of the two clamping assemblies are identical in shape and size.

According to the technical scheme, the clamp comprises two clamping assemblies which are oppositely arranged, each clamping assembly comprises a chuck plate and a pressing plate which are mutually connected, and a clamping space is defined by the pressing plate and the chuck plate; the platen has a first step structure at which at least a portion of the chuck is disposed; along the circumferential direction of the vulcanizing capsule, the two clamping assemblies are respectively clamped at two clamping positions of the vulcanizing capsule through respective clamping spaces; the vertical height of the first step side face of the first step structure of the pressure plates of the two clamping assemblies is equal, so that the size of the pressure plates of the two clamping assemblies is uniform, the processing of the two pressure plates is simplified, the manufacturing of the clamp is further simplified, the complexity of the clamp manufacturing is reduced, and the problem of high complexity of the capsule clamp manufacturing in the prior art is solved.

Drawings

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

FIG. 1 shows a schematic view of a clamp according to the utility model clamped on a curing bladder;

FIG. 2 shows an exploded view of the clamp of FIG. 1;

FIG. 3 shows a schematic diagram of a structure of a chuck of a first clamping assembly of the clamp of FIG. 1;

FIG. 4 shows a schematic diagram of a chuck of a second clamping assembly of the clamp of FIG. 1;

FIG. 5 is a schematic diagram showing the construction of the platens of the various clamping assemblies of the fixture of FIG. 1;

fig. 6 shows a schematic view of the structure of the support portion of each clamping assembly of the clamp of fig. 1.

Wherein the figures include the following reference numerals:

110. a first clamping assembly; 120. a second clamping assembly;

10. a chuck; 11. a chuck body; 111. a first side surface; 112. a second side surface; 113. a fourth side; 12. a first projecting portion; 13. a second projection; 131. an outer peripheral surface of the second projecting portion; 132. a convex end face; 14. a mating surface;

20. a platen; 21. a first step structure; 211. a first step side; 212. a first step surface; 22. a third side; 23. a fifth side surface; 24. a sixth side;

30. a clamping space;

40. a support portion; 41. a support surface; 42. a second step structure; 421. a second step surface; 422. a second step side;

200. curing the capsule; 201. a capsule portion; 202. a clamping portion; 210. a central axis; 220. a tire blank; 230. a connecting portion.

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 should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

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.

The utility model provides a clamp for clamping a curing bladder 200, please refer to fig. 1 to 6, the clamp comprises two clamping components which are oppositely arranged, each clamping component comprises a chuck 10 and a pressure plate 20 which are connected with each other, and the pressure plate 20 and the chuck 10 enclose a clamping space 30; the platen 20 has a first step structure 21, at least part of the chuck 10 being disposed at the first step structure 21; along the circumferential direction of the curing bladder 200, the two clamping assemblies are respectively clamped at two clamping positions of the curing bladder 200 through respective clamping spaces 30; the vertical height of the first step side surface 211 of the first step structure 21 of the pressure plates 20 of the two clamping assemblies is equal, which is beneficial to unifying the size of the pressure plates 20 of the two clamping assemblies, so as to simplify the processing of the two pressure plates 20, further simplify the manufacture of the clamp, reduce the complexity of the manufacture of the clamp, and solve the problem of higher complexity of the manufacture of the capsule clamp in the prior art.

The curing bladder 200 is used to be filled into an inner cavity of a tire blank 220 to be cured, a central axis of the curing bladder 200 coincides with a central axis of the tire, and the central axis 210 in fig. 1 is the central axis of the curing bladder 200.

It should be noted that the first step structure 21 has a first step side surface 211 and a first step surface 212, and the vertical height of the first step side surface 211 refers to the height of the first step side surface 211 relative to the first step surface 212 and in the direction perpendicular to the first step surface 212.

Specifically, for any one of the clamping assemblies, the chuck 10 includes a chuck body 11 having a first side surface 111 and a first protrusion 12 protrudingly provided on the first side surface 111; the chuck body 11 is arranged at the first step structure 21, the first side surface 111 is used for being in contact with the first step side surface 211 of the first step structure 21, and the second side surface 112, which is adjacent to and connected with the first side surface 111, of the chuck body 11 is used for being in contact with the first step surface 212 of the first step structure 21; the outer peripheral surface of the first protrusion 12, the first side surface 111, and the third side surface 22 of the pressure plate 20 adjacent to and connected to the first step side surface 211 of the first step structure 21 together enclose a clamping space 30.

It should be noted that the first side surface 111 is perpendicular to the central axis of the curing bladder 200, the protruding direction of the first protrusion 12 is parallel to the extending direction of the central axis of the curing bladder 200, and the outer peripheral surface of the first protrusion 12 is parallel to the protruding direction of the first protrusion 12; the first step side 211 is perpendicular to the central axis of the curing bladder 200, the first step surface 212 is parallel to the central axis of the curing bladder 200, and the second side 112 is parallel to the central axis of the curing bladder 200.

Typically, third side 22 is planar and parallel to first step surface 212; however, as shown in fig. 5, when the third side 22 is a curved surface, the vertical height of the first step side 211 refers to the vertical distance D between the first step surface 212 and the highest point of the third side 22.

In the present embodiment, the two clamping assemblies are a first clamping assembly 110 and a second clamping assembly 120, respectively, and for the second clamping assembly 120, along the extension direction of the central axis of the curing bladder 200, the chuck body 11 of the chuck 10 of the second clamping assembly 120 has a first end and a second end, the first end of the chuck body 11 is for being arranged at the first step structure 21; a second protruding part 13 is convexly arranged on the side surface between the first end and the second end of the chuck body 11, and the protruding direction of the second protruding part 13 is vertical to the extending direction of the central axis of the vulcanization capsule 200; the second protrusion 13 is located at the second end of the chuck body 11 such that at least part of the outer circumferential surface of the second protrusion 13 is flush with the second end face of the chuck body 11 and together form a mating face 14 for mating with a base part of a vulcanizing machine.

Optionally, the first clamping assembly 110 and the second clamping assembly 120 are vertically distributed, and the first clamping assembly 110 is located above the second clamping assembly 120.

It is emphasized that only the second clamping assembly 120 of the two clamping assemblies has the second projection 13 described above.

It should be noted that the first end surface of the chuck body 11 is a first side surface 111, and the side surface between the first end and the second end of the chuck body 11 is a second side surface 112.

Specifically, the chuck body 11 of the second clamping assembly 120 further has a fourth side surface 113, the first side surface 111 and the fourth side surface 113 are distributed in a direction parallel to or the same as the extending direction of the central axis of the curing bladder 200, and the second side surface 112 is adjacent to and connected with the fourth side surface 113; the second end surface of the chuck body 11 is the fourth side surface 113, that is, the second protrusion 13 is located at the end of the second side surface 112 close to the fourth side surface 113, so that at least part of the outer peripheral surface of the second protrusion 13 is flush with the fourth side surface 113 and forms the matching surface 14 for matching with the base member of the vulcanizing machine together, thus the matching area of the matching surface 14 matching with the base member can be increased, and the connection stability between the chuck body 11 and the base member of the second clamping assembly 120 is further ensured; fig. 4 shows the outer circumferential surface 131 of the second projection.

It should be noted that the second side 112 is located between the first side 111 and the fourth side 113, and the first side 111, the second side 112, and the fourth side 113 are connected in sequence; optionally, the first side 111 is parallel to the fourth side 113.

It should be noted that, along the distribution direction of the first side 111 and the fourth side 113, the second side 112 has two ends; the outer peripheral surface of the second projecting portion 13 is parallel to the projecting direction of the second projecting portion 13.

Specifically, the mating surface 14 is used for providing an internal thread to match with an external thread of the connecting portion 230 of the base member, thereby screwing the chuck body 11 of the second clamping assembly 120 with the base member. Optionally, the base part is a central mechanism of the vulcanizer.

Specifically, the protruding height of the second protruding portion 13 ranges from 8mm to 12mm, and the protruding height of the second protruding portion 13 is the protruding height thereof relative to the second side surface 112.

As shown in fig. 1 and 4, in the prior art, the fourth side surface 113 is used for fitting with the base member, and the fitting height of the fourth side surface 113 with the base member is F in a direction perpendicular to the extending direction of the central axis of the curing bladder 200; after the second protrusion 13 is added, the fitting height of the fitting surface 14 with the base member is E in the direction perpendicular to the extending direction of the central axis of the curing bladder 200, and the fitting height E is significantly greater than the fitting height F.

Specifically, the width G of the projecting end surface 132 of the second projecting portion 13 in the direction parallel to the extending direction of the central axis of the curing bladder 200 ranges from 15mm to 20 mm.

In the present embodiment, for any one of the clamping assemblies, each of the clamping assemblies further includes a support portion 40 connected to the pressure plate 20, the support portion 40 having a support surface 41 provided extending in the circumferential direction of the curing bladder 200 and adapted to be in contact with the outer wall surface of the curing bladder 200; the support portion 40 has a second step structure 42, and the platen 20 is disposed at the second step structure 42; the pressure plate 20 has a third side 22 and a fifth side 23 which are oppositely arranged along the direction vertical to the extending direction of the central axis of the curing bladder 200, the third side 22 is used for enclosing the clamping space 30, and the fifth side 23 is used for being in contact with the second step surface 421 of the second step structure 42; the platen 20 further has a sixth side 24 adjacent to and connected to the fifth side 23, the sixth side 24 for abutting contact with the second step side 422 of the second step structure 42; the preset included angle between the sixth side surface 24 and the fifth side surface 23 is an obtuse angle.

It should be noted that the third side surface 22 and the fifth side surface 23 are both parallel to the central axis of the curing bladder 200, the second step surface 421 is parallel to the central axis of the curing bladder 200, and the included angle between the second step surface 421 and the second step side surface 422 is equal to the preset included angle between the sixth side surface 24 and the fifth side surface 23.

Specifically, the support surface 41 is adjacent to and connected to the second step side 422.

Alternatively, the support portion 40 is made of steel.

Specifically, the preset included angle between the sixth side surface 24 and the fifth side surface 23 of the pressing plate 20 of the two clamping assemblies is equal, that is, the included angle between the second step surface 421 and the second step side surface 422 of the supporting portion 40 of the two clamping assemblies is equal.

Specifically, the preset included angle ranges from 105 degrees to 110 degrees, that is, the included angle between the second step surface 421 and the second step side surface 422 ranges from 105 degrees to 110 degrees; as shown in fig. 6, an included angle B between a preset vertical plane perpendicular to the second step surface 421 and the second step side surface 422 ranges from 15 degrees to 20 degrees.

Specifically, the vertical heights a of the second step side surfaces 422 of the support portions 40 of the two clamping assemblies are equal, and the vertical height a of the second step side surfaces 422 is the height of the second step side surfaces 422 with respect to the second step surface 421 and in the direction perpendicular to the second step surface 421; the vertical height of the second step side 422 ranges from 25mm to 30 mm.

In this embodiment, the shape and the size of the pressure plate 20 of the two clamping assemblies are the same, that is, the pressure plate 20 of the two clamping assemblies is formed by processing the same die, so that the processing of the pressure plate 20 is simplified, the complexity of the manufacture of the clamp is reduced, the universality of the pressure plate 20 of the two clamping assemblies is realized, and the simplification of the dismounting of the clamp is facilitated.

In the present embodiment, for each clamping assembly, the chuck 10 and the pressure plate 20 are relatively fixed by passing fasteners through the chuck 10 and the pressure plate 20.

Specifically, the fasteners are inserted through the second side surface 112 of the chuck body 11, and the fasteners are inserted through the fifth side surface 23 and the first step surface 212 of the pressure plate 20.

In the present embodiment, for each clamping assembly, the pressure plate 20 and the support 40 are relatively fixed by passing the locking member through the pressure plate 20 and the support 40.

Specifically, the locking member is inserted through the fifth side surface 23 of the pressure plate 20, and the locking member is inserted through the second step surface 421 of the supporting portion 40.

In the present embodiment, the curing bladder 200 includes a bladder portion 201 and a clamping portion 202 along the extending direction of the central axis of the curing bladder 200, i.e., the central axis of the bladder portion 201 and the central axis of the clamping portion 202 are both coincident with the central axis of the curing bladder 200; the bladder portion 201 is configured to be installed in an inner cavity of a tire blank 220 to be vulcanized, and two clamping assemblies are respectively clamped at two clamping positions of the clamping portion 202 by respective clamping spaces 30 along a circumferential direction of the clamping portion 202.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

in the clamp for clamping the curing bladder 200 provided by the utility model, the clamp comprises two clamping assemblies which are oppositely arranged, each clamping assembly comprises a clamping disc 10 and a pressing disc 20 which are mutually connected, and the pressing disc 20 and the clamping disc 10 enclose a clamping space 30; the platen 20 has a first step structure 21, at least part of the chuck 10 being disposed at the first step structure 21; along the circumferential direction of the curing bladder 200, the two clamping assemblies are respectively clamped at two clamping positions of the curing bladder 200 through respective clamping spaces 30; the vertical height of the first step side surface 211 of the first step structure 21 of the pressure plates 20 of the two clamping assemblies is equal, which is beneficial to unifying the size of the pressure plates 20 of the two clamping assemblies, so as to simplify the processing of the two pressure plates 20, further simplify the manufacture of the clamp, reduce the complexity of the manufacture of the clamp, and solve the problem of higher complexity of the manufacture of the capsule clamp in the prior art.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above 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 data so used is 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 be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

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 clamp for clamping a curing bladder (200), characterized in that the clamp comprises two clamping assemblies arranged oppositely, each clamping assembly comprises a chuck (10) and a pressure plate (20) which are connected with each other, and the pressure plate (20) and the chuck (10) enclose a clamping space (30); the platen (20) having a first step structure (21), at least part of the chuck (10) being arranged at the first step structure (21);

the two clamping assemblies are respectively clamped at two clamping positions of the curing capsule (200) through respective clamping spaces (30) along the circumferential direction of the curing capsule (200); the vertical heights of the first step sides (211) of the first step structures (21) of the two clamping assemblies are equal.

2. The clamp according to claim 1, wherein the chuck (10) comprises a chuck body (11) having a first side surface (111) and a first protrusion (12) provided protruding at the first side surface (111);

the chuck body (11) is arranged at the first step structure (21), the first side surface (111) is used for being in fit contact with a first step side surface (211) of the first step structure (21), and a second side surface (112) of the chuck body (11) adjacent to and connected with the first side surface (111) is used for being in fit contact with a first step surface (212) of the first step structure (21);

the clamping space (30) is defined by the outer peripheral surface of the first protruding portion (12), the first side surface (111) and a third side surface (22) of the pressure plate (20) which is adjacent to and connected with the first step side surface (211) of the first step structure (21).

3. The clamp according to claim 1, wherein the two clamping assemblies are a first clamping assembly (110) and a second clamping assembly (120), respectively, the chuck (10) of the second clamping assembly (120) comprising a chuck body (11), the chuck body (11) having a first end and a second end along an extension direction of a central axis of the curing bladder (200), the first end of the chuck body (11) being adapted to be arranged at the first step structure (21);

a second protruding part (13) is convexly arranged on the side surface between the first end and the second end of the chuck body (11), and the protruding direction of the second protruding part (13) is vertical to the extending direction of the central axis of the vulcanization capsule (200); the second protrusion (13) is located at a second end of the chuck body (11) such that at least a portion of an outer circumferential surface of the second protrusion (13) and a second end face of the chuck body (11) are flush and together form a mating surface (14) for mating with a base component of a vulcanizing machine.

4. The clamp of claim 3,

the range of the projection height of the second projection (13) is 8mm to 12 mm; and/or

The width of the convex end surface (132) of the second convex part (13) along the direction parallel to the extending direction of the central axis of the vulcanization capsule (200) ranges from 15mm to 20 mm.

5. The clamp according to claim 1, wherein each clamping assembly further comprises a support portion (40) connected to the pressure plate (20), the support portion (40) having a support surface (41) provided along a circumferential extension of the curing bladder (200) and adapted to contact an outer wall surface of the curing bladder (200);

the support (40) has a second step structure (42), the pressure plate (20) being arranged at the second step structure (42); the pressing plate (20) is provided with a third side surface (22) and a fifth side surface (23) which are oppositely arranged along the direction vertical to the extension direction of the central axis of the vulcanization capsule (200), the third side surface (22) is used for enclosing the clamping space (30), and the fifth side surface (23) is used for being in fit contact with a second step surface (421) of the second step structure (42);

the pressure plate (20) is also provided with a sixth side surface (24) which is adjacent to and connected with the fifth side surface (23), and the sixth side surface (24) is used for being in fit contact with a second step side surface (422) of the second step structure (42); the preset included angle between the sixth side surface (24) and the fifth side surface (23) is an obtuse angle.

6. Clamp according to claim 5, characterized in that the preset angle between the sixth side (24) and the fifth side (23) of the two clamping assemblies is equal.

7. The clamp of claim 6, wherein the predetermined included angle is in a range of 105 degrees to 110 degrees.

8. The clamp according to any of claims 5 to 7, wherein the vertical height of the second step sides (422) of the two clamping assemblies is equal, the vertical height of the second step sides (422) being the height of the second step sides (422) relative to the second step face (421) and in a direction perpendicular to the second step face (421).

9. The clamp of claim 8, wherein the vertical height of the second step side (422) ranges from 25mm to 30 mm.

10. The clamp according to claim 1, characterized in that the platens (20) of the two clamping assemblies are of the same shape and size.

Images