CN217570550U

CN217570550U - Clamping tool

Info

Publication number: CN217570550U
Application number: CN202123454498.3U
Authority: CN
Inventors: 吕潇楠; 汪冬冬; 王科琛
Original assignee: Zhejiang Jingu Co Ltd
Current assignee: Zhejiang Jingu Co Ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-10-14
Anticipated expiration: 2031-12-31

Abstract

The utility model provides a clamping tool, which is used for clamping a group of rim flaring blocks so as to carry out shaping operation on the molded surfaces of the rim flaring blocks in the same group on a lathe, and comprises an installation cylinder and a limiting cover plate, wherein the circumferential outer surface of the installation cylinder is convexly provided with an installation part; the limiting cover plate is covered at the opening of one end of the mounting cylinder, which is far away from the mounting part, and the outer periphery of the limiting cover plate is arranged to protrude out of the outer periphery of the mounting cylinder, so that a limiting space is formed between the outer periphery of the limiting cover plate and the mounting part; the first ends of the rim flaring blocks in the same group are connected with the mounting portion, and the outer peripheral edge of the limiting cover plate presses the second ends of the rim flaring blocks in the same group so as to install the rim flaring blocks in the same group in the limiting space. The utility model provides a have one among the group of rim flaring piece to lead to whole group rim flaring piece group to scrap when wearing and tearing appear, need produce the problem of a group of rim flaring piece again among the prior art.

Description

Clamping tool

Technical Field

The utility model relates to a clamping equipment technical field particularly, relates to a clamping instrument.

Background

In the process of manufacturing the rim, after the welding operation of the rim is completed, flaring operation needs to be carried out on the rim so as to facilitate subsequent roller shaping operation.

However, in the long-term use process, the profile of the rim flaring block is easy to wear, the worn profile seriously affects the flaring effect of the rim, the profile of the rim flaring block is complex, the maintenance of a single piece is difficult, a group of rim flaring blocks are directly scrapped, a group of rim flaring blocks need to be produced again, and the economical efficiency of the processing and manufacturing of the rim is not good.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a clamping instrument to there is one to lead to whole group rim flaring block group to scrap when wearing and tearing appear in solving among the prior art a set of rim flaring block, needs the problem of a set of rim flaring block of reappearing.

In order to achieve the purpose, the utility model provides a clamping tool, which is used for clamping a group of rim flaring blocks so as to carry out shaping operation on the molded surface of each rim flaring block in the same group on a lathe, and comprises an installation cylinder and a limit cover plate, wherein the circumferential outer surface of the installation cylinder is convexly provided with an installation part; the limiting cover plate is covered at the opening of one end of the mounting cylinder, which is far away from the mounting part, and the outer periphery of the limiting cover plate is arranged to protrude out of the outer periphery of the mounting cylinder, so that a limiting space is formed between the outer periphery of the limiting cover plate and the mounting part; wherein, the first end of each rim flaring block in the same group all is connected with the installation department, and the outer peripheral edge pressure of spacing apron is established at the second end of each rim flaring block in the same group to install each rim flaring block in the same group in spacing space.

Further, spacing apron and installation section of thick bamboo detachably are connected.

Furthermore, one end, far away from the limiting cover plate, of the mounting cylinder is a clamping end used for being connected with a lathe, the mounting portion is located between the limiting cover plate and the clamping end, the distance from the end face, far away from one side of the limiting cover plate, of the mounting portion to the end face of the clamping end is L, and L is larger than or equal to 40mm and smaller than or equal to 100mm.

Furthermore, the mounting part comprises a limiting convex ring, the limiting convex ring is arranged on the outer peripheral side of the mounting cylinder and is concentric with the mounting cylinder, and the end face of one side, facing the limiting cover plate, of the limiting convex ring is provided with a first limiting ring groove; wherein, spacing bulge loop sets up with spacing apron relatively, and spacing apron has the spacing annular of second towards the terminal surface of spacing bulge loop one side, and the first end of each rim flaring piece in the same group all stretches into first spacing annular and sets up, and the second end of each rim flaring piece in the same group all stretches into the spacing annular of second and sets up.

Furthermore, the groove wall surface of the first limiting ring groove is matched with the end part of the first end of each rim flaring block in the same group in the first limiting ring groove; and/or the wall surface of the second limiting ring groove is matched with the end part of the second end of each rim flaring block in the same group in the second limiting ring groove.

Furthermore, the first limiting ring groove comprises a first ring hole section and a second ring hole section which are communicated with each other along the direction away from the limiting cover plate, and the sectional area of the hole section of the first ring hole section is larger than that of the hole section of the second ring hole section.

Furthermore, the end face, away from one side of the limiting cover plate, of the limiting convex ring is provided with an assembling hole, the assembling hole extends along the axial direction of the limiting convex ring to be communicated with the first annular ring section, the clamping tool further comprises a first connecting piece, and the first connecting piece penetrates through the assembling hole and is connected with the end portion, located in the first annular ring section, of the first end of the rim flaring block.

Furthermore, the partial groove bottom surface of the second limiting ring groove is sunken to form an assembly ring groove, one end, far away from the installation part, of the installation barrel extends into the assembly ring groove, a first installation hole is formed in the groove bottom surface of the assembly ring groove, the first installation hole extends along the axial direction of the limiting cover plate and penetrates through the end face, far away from one side of the assembly ring groove, of the limiting cover plate, the clamping tool further comprises a second connecting piece, and the second connecting piece penetrates through the first installation hole and is connected with the installation barrel.

Further, the outer peripheral surface of the mounting tube is fitted to the inner wall surface surrounded by the rim flaring blocks in the same group.

Furthermore, the limiting convex ring and the mounting cylinder are integrally formed.

Use the technical scheme of the utility model, the utility model provides a clamping instrument is provided, through setting the clamping instrument to the structural style including installation cylinder and spacing apron, set up the installation department simultaneously on the circumference surface of installation cylinder, thus, when wearing and tearing appear in arbitrary rim flaring piece among a set of rim flaring piece, only need install whole rim flaring pieces among a set of rim flaring piece in spacing space, and install the clamping instrument that has a set of rim flaring piece with the clamping on the lathe, thereby realize carrying out the integer operation to the profile of rim flaring piece with organizing, ensure that each rim flaring piece after the integer operation can also restore the profile before wearing and tearing, reach reuse's effect.

It should be noted that, in the present application, after the shaping operation, each rim flaring block in the same group is installed on the shaping device, and a driving portion for driving each rim flaring block to move in the radial direction in the shaping device only needs to drive each rim flaring block to move for a longer distance than before, so that normal flaring operation on a rim can be realized, that is, each rim flaring block in the same group cannot be affected by size reduction after the shaping operation.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, 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 cross-sectional structure of a clamping tool and a rim flaring block according to an alternative embodiment of the present invention in a clamped state;

FIG. 2 shows a schematic cross-sectional view of the clamping tool of FIG. 1;

FIG. 3 is a schematic structural view of a spacing cover plate of the clamping tool in FIG. 2;

FIG. 4 isbase:Sub>A schematic cross-sectional view taken from the perspective A-A of FIG. 3;

FIG. 5 shows a schematic structural view of the wheel rim flare block of FIG. 1;

fig. 6 shows a schematic structural view of a set of rim flaring blocks enclosing a ring shape according to an alternative embodiment of the present invention.

Wherein the figures include the following reference numerals:

1. a rim flaring block; 10. mounting the cylinder; 20. a limiting cover plate; 21. a second limit ring groove; 211. assembling a ring groove; 212. a first mounting hole; 30. a limiting space; 40. a limit convex ring; 41. a first limit ring groove; 411. a first annular ring section; 412. a second annular bore section; 42. and (7) assembling holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In order to solve a set of rim flaring piece among the prior art have one to lead to whole set of rim flaring piece group to scrap when wearing and tearing appear, need produce the problem of a set of rim flaring piece again, the utility model provides a clamping instrument.

As shown in fig. 1 to 6, the clamping tool is used for clamping a group of rim flaring blocks 1 so as to perform shaping operation on the molded surface of each rim flaring block 1 in the same group on a lathe, the clamping tool comprises a mounting cylinder 10 and a limiting cover plate 20, and a mounting part is convexly arranged on the circumferential outer surface of the mounting cylinder 10; the limiting cover plate 20 is covered at the opening of the mounting barrel 10 at one end far away from the mounting part, and the outer periphery of the limiting cover plate 20 is protruded out of the outer peripheral surface of the mounting barrel 10, so that a limiting space 30 is formed between the outer periphery of the limiting cover plate 20 and the mounting part; wherein, the first end of each rim flaring block 1 in the same group all is connected with the installation department, and the outer periphery of spacing apron 20 is established the second end of each rim flaring block 1 in the same group in pressure to install each rim flaring block 1 in the same group in spacing space 30.

The application provides a clamping instrument, through setting the clamping instrument to the structural style including installation section of thick bamboo 10 and spacing apron 20, set up the installation department simultaneously on the circumference surface of installation section of thick bamboo 10, thus, when wearing and tearing appear in arbitrary rim flaring piece 1 in a set of rim flaring piece 1, only need install whole rim flaring piece 1 in a set of rim flaring piece 1 in spacing space 30, and install the clamping instrument that the clamping has a set of rim flaring piece 1 on the lathe, thereby realize carrying out the integer operation to the profile of same set of rim flaring piece 1, ensure that each rim flaring piece 1 after the integer operation can also restore the profile before wearing and tearing, reach reuse's effect.

It should be noted that, in the present application, after the shaping operation, each rim flaring block 1 in the same group is mounted on the shaping device, and the driving portion for driving each rim flaring block 1 in the shaping device to move in the radial direction only needs to drive each rim flaring block 1 to move a longer distance than before to achieve the normal flaring operation on the rim, that is, each rim flaring block 1 in the same group is not affected by the size reduction after the shaping operation.

It should be noted that, in the present application, the limiting cover plate 20 is detachably connected to the mounting cylinder 10. Thus, the convenience of mounting and dismounting the limiting cover plate 20 is ensured, and the convenience of replacing the rim flaring block 1 is ensured.

Optionally, the limiting cover plate 20 is detachably connected with the mounting barrel 10 through a screw thread, and other detachable connection modes can be adopted.

As shown in fig. 2, one end of the mounting cylinder 10 away from the limiting cover plate 20 is a clamping end for connecting with a lathe, the mounting part is located between the limiting cover plate 20 and the clamping end, and a distance between an end surface of the mounting part away from one side of the limiting cover plate 20 and an end surface of the clamping end is L, wherein L is greater than or equal to 40mm and less than or equal to 100mm. Thus, by reasonably optimizing the distance L from the end surface of the mounting part far away from the side of the limiting cover plate 20 to the end surface of the clamping end, the phenomenon that the whole length of the mounting cylinder 10 is too long due to the fact that the distance L from the end surface of the mounting part far away from the side of the limiting cover plate 20 to the end surface of the clamping end is too long, and when the mounting cylinder is clamped on a lathe, the concentricity is not controlled conveniently is avoided; the problem that the connection reliability of the mounting cylinder 10 and the lathe cannot be ensured due to the fact that the distance L between the end face of the mounting part, which is far away from the side of the limiting cover plate 20, and the end face of the clamping end is too short is also avoided, and therefore the mounting reliability of the clamping tool on the lathe is ensured.

Preferably, the distance L between the end surface of the mounting portion on the side away from the limit cover plate 20 and the end surface of the clamping end is 48mm, 60mm, 70mm, and the like.

As shown in fig. 1 and fig. 2, the mounting portion includes a limiting convex ring 40, the limiting convex ring 40 is disposed on the outer peripheral side of the mounting cylinder 10, the limiting convex ring 40 is disposed concentrically with the mounting cylinder 10, and the end surface of the limiting convex ring 40 facing the limiting cover plate 20 side has a first limiting ring groove 41; wherein, spacing bulge loop 40 sets up with spacing apron 20 is relative, and spacing apron 20 has second spacing annular 21 towards the terminal surface of spacing bulge loop 40 one side, and the first end of each rim flaring piece 1 in the same group all stretches into in the first spacing annular 41, and the second end of each rim flaring piece 1 in the same group all stretches into in the second spacing annular 21 sets up. In this way, the first limiting ring groove 41 and the second limiting ring groove 21 play a limiting role for each rim flaring block 1 in the same group, so that the clamping reliability of the clamping tool for each rim flaring block 1 in the same group is ensured.

It should be noted that, in the present application, the groove wall surface of the first limit ring groove 41 is matched with the end of the first end of each rim flaring block 1 in the same group located in the first limit ring groove 41; and/or the wall surface of the second limiting ring groove 21 is matched with the end part of the second end of each rim flaring block 1 in the same group in the second limiting ring groove 21. Therefore, after the clamping tool is used for clamping the rim flaring blocks 1 in the same group, the clamping tool can be ensured to have enough contact area with the rim flaring blocks 1 in the same group, so that the clamping reliability of the clamping tool on the rim flaring blocks 1 in the same group is ensured, and the lathe can be further ensured to normally perform subsequent profile shaping operation.

As shown in fig. 2, the first retainer ring groove 41 includes a first ring groove section 411 and a second ring groove section 412 which are communicated with each other in a direction away from the retainer cover plate 20, and a cross-sectional area of a hole section of the first ring groove section 411 is larger than a cross-sectional area of a hole section of the second ring groove section 412. In this way, it is ensured that the first limit ring groove 41 can be fitted as far as possible to the end of the first end of the rim bellmouth block 1, ensuring the mounting stability of the rim bellmouth block 1.

As shown in fig. 2, an assembly hole 42 is opened on the end surface of the side of the limit protruding ring 40 away from the limit cover plate 20, the assembly hole 42 extends along the axial direction of the limit protruding ring 40 to communicate with the first annular section 411, and the clamping tool further comprises a first connecting piece, and the first connecting piece penetrates through the assembly hole 42 and is connected with the end part of the first end of the rim flaring block 1 located in the first annular section 411. Thus, the installation stability of the rim flaring blocks 1 in the same group is ensured, and the phenomenon that the rim flaring blocks 1 shake in the subsequent shaping operation process of the lathe is avoided.

As shown in fig. 3 and 4, a part of the groove bottom surface of the second limiting ring groove 21 is recessed to form an assembly ring groove 211, one end of the installation cylinder 10, which is far away from the installation part, extends into the assembly ring groove 211, a first installation hole 212 is formed in the groove bottom surface of the assembly ring groove 211, the first installation hole 212 extends along the axial direction of the limiting cover plate 20 and penetrates through the end surface of the limiting cover plate 20, which is far away from the assembly ring groove 211, the clamping tool further comprises a second connecting member, and the second connecting member penetrates through the first installation hole 212 and is connected with the installation cylinder 10. In this way, the connection reliability of the limiting cover plate 20 and the mounting tube 10 is ensured, and therefore the limiting cover plate 20 can effectively limit each rim flaring block 1 in the same group.

As shown in fig. 5 and 6, in consideration of the fact that the rim flare blocks 1 in the same group are formed in a ring shape, the outer peripheral surface of the mounting tube 10 may be fitted to the inner wall surface formed by the rim flare blocks 1 in the same group. In this way, the inner wall surfaces of the respective rim flare blocks 1 in the same group are ensured to be effectively bonded to the outer peripheral surface of the mounting tube 10, and the mounting reliability of the respective rim flare blocks 1 is ensured.

Optionally, the stop collar 40 is integrally formed with the mounting barrel 10. Thus, the limiting convex ring 40 can provide effective limiting effect for each rim flaring block 1, and the situation that the limiting reliability of each rim flaring block 1 cannot be ensured due to assembly errors generated in the assembly process between the limiting convex ring 40 and the mounting barrel 10 can be avoided.

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.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

For ease of description, spatially relative terms such as "over 8230 \ 8230;,"' over 8230;, \8230; upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown 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 terms "at 8230; \8230; above" may include both orientations "at 8230; \8230; above" and "at 8230; \8230; below". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

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 is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

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 data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in other sequences than those illustrated or described herein.

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

1. A clamping tool for clamping a set of rim flaring blocks (1) to perform profiling operation on the profile of each rim flaring block (1) in the same set on a lathe, comprising:

the mounting device comprises a mounting cylinder (10), wherein a mounting part is convexly arranged on the circumferential outer surface of the mounting cylinder (10);

the limiting cover plate (20) is arranged at a barrel opening of one end, far away from the mounting part, of the mounting barrel (10) in a covering mode, and the outer peripheral edge of the limiting cover plate (20) protrudes out of the outer peripheral surface of the mounting barrel (10) so that a limiting space (30) is formed between the outer peripheral edge of the limiting cover plate (20) and the mounting part;

the first ends of the rim flaring blocks (1) in the same group are connected with the mounting portion, and the outer periphery of the limiting cover plate (20) is pressed at the second ends of the rim flaring blocks (1) in the same group so as to install the rim flaring blocks (1) in the same group in the limiting space (30).

2. The clamping tool according to claim 1, wherein the limiting cover plate (20) is detachably connected with the mounting cylinder (10).

3. The clamping tool as claimed in claim 1, wherein one end, away from the limiting cover plate (20), of the mounting cylinder (10) is a clamping end used for being connected with the lathe, the mounting portion is located between the limiting cover plate (20) and the clamping end, the distance from the end face, away from the limiting cover plate (20), of the mounting portion to the end face of the clamping end is L, and L is greater than or equal to 40mm and less than or equal to 100mm.

4. The clamping tool of claim 1, wherein the mounting portion comprises:

the limiting convex ring (40), the limiting convex ring (40) is arranged on the outer peripheral side of the installation cylinder (10), the limiting convex ring (40) and the installation cylinder (10) are concentrically arranged, and the end face, facing one side of the limiting cover plate (20), of the limiting convex ring (40) is provided with a first limiting ring groove (41);

wherein, spacing bulge loop (40) with spacing apron (20) set up relatively, spacing apron (20) orientation the terminal surface of spacing bulge loop (40) one side has second spacing annular (21), each in the same group the first end of rim flaring piece (1) all stretches into set up in first spacing annular (41), each in the same group the second end of rim flaring piece (1) all stretches into set up in second spacing annular (21).

5. The clamping tool of claim 4,

the groove wall surface of the first limiting ring groove (41) is matched with the end part of the first end of each rim flaring block (1) in the same group in the first limiting ring groove (41); and/or the presence of a gas in the gas,

the groove wall surface of the second limiting ring groove (21) is matched with the end part of the second end of each rim flaring block (1) in the same group in the second limiting ring groove (21).

6. The clamping tool as claimed in claim 4, characterized in that the first limiting ring groove (41) comprises a first ring groove section (411) and a second ring groove section (412) which are communicated with each other in the direction away from the limiting cover plate (20), and the cross-sectional area of the hole section of the first ring groove section (411) is larger than that of the hole section of the second ring groove section (412).

7. The clamping tool as claimed in claim 6, wherein an end face of the side, away from the limiting cover plate (20), of the limiting convex ring (40) is provided with a mounting hole (42), the mounting hole (42) extends in the axial direction of the limiting convex ring (40) to communicate with the first annular hole section (411), and the clamping tool further comprises a first connecting piece, and the first connecting piece penetrates through the mounting hole (42) and is connected with an end portion of a first end of the rim flaring block (1) located in the first annular hole section (411).

8. The clamping tool as claimed in claim 4, wherein a part of the groove bottom surface of the second limiting ring groove (21) is recessed to form an assembly ring groove (211), one end of the installation barrel (10) far away from the installation part extends into the assembly ring groove (211), a first installation hole (212) is formed in the groove bottom surface of the assembly ring groove (211), the first installation hole (212) extends in the axial direction of the limiting cover plate (20) and penetrates through the end surface of the limiting cover plate (20) far away from one side of the assembly ring groove (211), the clamping tool further comprises a second connecting piece, and the second connecting piece penetrates through the first installation hole (212) and is connected with the installation barrel (10).

9. The clamping tool according to claim 1, wherein the outer peripheral surface of the mounting cylinder (10) is adapted to the inner wall surface surrounded by the rim flaring blocks (1) in the same group.

10. The clamping tool as claimed in claim 4, wherein the stop collar (40) is integrally formed with the mounting barrel (10).