CN113284671A

CN113284671A - Automatic centering structure

Info

Publication number: CN113284671A
Application number: CN202110603784.7A
Authority: CN
Inventors: 杨帅; 蔡建荣; 孙建宇; 郭壮; 李志远; 陆志刚; 卢锦文
Original assignee: Jiangsu Zhongli Group Co Ltd
Current assignee: Jiangsu Zhongli Group Co Ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-08-20
Anticipated expiration: 2041-05-31
Also published as: CN113284671B

Abstract

The invention relates to an automatic centering structure, which comprises a mounting seat; the elastic piece is connected with the mounting seat; the clamping component is connected with the elastic part and can apply acting force to the elastic part under the action of external force so as to deform the elastic part; the clamping components are provided with at least two groups, and the at least two groups of clamping components form a clamping space so as to clamp and fix the target; each group of clamping assemblies has a first clamping state and a second clamping state, when the clamping assemblies are switched between the first clamping state and the second clamping state, the clamping assemblies apply acting force to the elastic members so that the elastic members deform and the positions of the clamping assemblies relative to the target are adjusted, and the central axis of the target is always located at the same position.

Description

Automatic centering structure

Technical Field

The invention relates to an automatic centering structure.

Background

In the production process of the cable, the cable cores are required to be fixed at the central position, so that the cable is prevented from being damaged due to shaking in the production process. At present, in order to ensure that a cable core is positioned at the center position in the production process of a cable, two groups of parallel guide rollers are generally vertically overlapped to form a # -shaped mechanism, and two pairs of parallel guide rollers are respectively adjusted in two opening grooves which are transversely and longitudinally arranged in a groove. According to the outer diameter of the cable, the positions of the four guide rollers are manually adjusted, and the cable can be stably threaded in the guide rollers shaped like a Chinese character 'jing'. However, when cables with different outer diameters pass through the openings of the four guide rollers, screws on the four guide rollers need to be loosened, nuts are fixed in sequence after the screws are adjusted, operation is troublesome, time and labor are wasted, the central position of a cable core cannot be guaranteed to be unchanged in the adjustment process of the four guide rollers, and particularly in an extrusion process, the deviation of the central position easily causes the eccentricity of an extrusion layer, so that the product quality defect is caused.

Disclosure of Invention

The invention aims to provide an automatic centering structure which is simple to operate, time-saving and labor-saving, and the central axes of cable cores are in the same position when cables with different outer diameters are replaced.

In order to achieve the purpose, the invention provides the following technical scheme: a self-centering structure, comprising:

a mounting seat;

the elastic piece is connected with the mounting seat; and

the clamping component is connected with the elastic piece and can apply acting force to the elastic piece under the action of external force so as to enable the elastic piece to deform;

the clamping components are provided with at least two groups, and the at least two groups of clamping components form a clamping space so as to clamp and fix the target;

each group of clamping assemblies has a first clamping state and a second clamping state, and when the clamping assemblies are switched between the first clamping state and the second clamping state, the clamping assemblies apply acting force to the elastic members so that the elastic members deform to adjust the positions of the clamping assemblies relative to the target, and the central axis of the target is located at the same position all the time.

Furthermore, each group of clamping components comprises a support rod arranged in parallel and a clamping piece sleeved on the support rod, the elastic piece is sleeved on the support rod and connected with the clamping piece, and the clamping piece is provided with a clamping surface;

when the clamping assembly is in the first clamping state, the horizontal central axes of the clamping surfaces of the two clamping pieces in each group are not overlapped; when the clamping assembly is in the second clamping state, the horizontal central axes of the clamping surfaces of the two clamping pieces are overlapped.

Further, the clamping surface is an arc-shaped surface.

Further, the clamping assembly further comprises a friction piece arranged on the clamping piece, and the friction piece is arranged on at least part of the clamping surface.

Further, the friction member is a protrusion.

Further, the friction piece and the clamping piece are integrally formed or separately arranged.

Further, the chucking assembly further includes at least one bearing, at least one of which is mounted at an end side of the chucking member.

Further, the clamping assembly further comprises a buffer piece, and the buffer piece is arranged at one end, far away from the elastic piece, of the clamping piece.

Further, two clamping pieces of each group of clamping components are arranged on the same side of the mounting seat.

Further, the two clamping pieces of each group of clamping components are respectively arranged on two sides of the mounting seat.

The invention has the beneficial effects that: the elastic piece and at least two groups of clamping components connected with the elastic piece are arranged, so that at least two groups of clamping components form a clamping space to clamp and fix the target object, each group of clamping components has a first clamping state and a second clamping state, when the clamping components are switched between the first clamping state and the second clamping state, acting force is applied to the elastic piece only through the clamping components, so that the elastic piece deforms and then adjusts the position of the clamping components relative to the target object, and further the central axis of the target object is always located at the same position.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.

Drawings

FIG. 1 is a partial schematic structural view of a clamping assembly in a first clamping state in an automatic centering structure according to the present invention;

FIG. 2 is a schematic view of the automatic centering structure shown in FIG. 1, wherein the clamping assembly is in a first clamping state;

FIG. 3 is a partial schematic structural view of the retaining assembly in the second retaining state in the automatic centering structure shown in FIG. 1;

FIG. 4 is a schematic structural view of the automatic centering structure shown in FIG. 3, wherein the retaining assembly is in a second retaining state;

fig. 5 is a schematic structural view of a catch in the automatic centering structure shown in fig. 1.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The terms "comprising" and "having," as well as any variations thereof, in the present invention are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Referring to fig. 1 and 3, the automatic centering structure according to a preferred embodiment of the present invention is used for holding an object to prevent the object from deviating, in which the object 200 is a cable 200, in other embodiments, the object may be other objects, and no specific limitation is made to the object. The automatic centering structure includes a mounting base 1 (not shown), an elastic member 3 connected to the mounting base 1, and a retaining member 2 connected to the elastic member 3. Wherein, the clamping component 2 can exert an acting force on the elastic component 3 under the action of an external force so as to enable the elastic component 3 to deform, at least two groups of clamping components 2 are arranged, at least two groups of clamping components 2 form a clamping space (not numbered), and the cable 200 passes through the clamping space to be clamped and fixed. Referring to fig. 2 and 4, each of the clamping assemblies 2 has an initial state, a first clamping state and a second clamping state, and when the clamping assemblies 2 are switched among the initial state, the first clamping state and the second clamping state, an external force is applied to the clamping assemblies 2 to deform the elastic members 3 connected with the clamping assemblies 2, so as to adjust the positions of the clamping assemblies 2 relative to the cable 200, and further to enable the central axis of the cable 200 to be located at the same position all the time. It should be noted that the initial state is a state when the automatic centering structure does not clamp the fixed cable 200, the first clamping state is a state when the automatic centering structure clamps the cable 200 with a smaller fixed outer diameter, and the second clamping state is a state when the automatic centering structure clamps the cable 200 with a larger fixed outer diameter. When the retaining member 2 is in the initial state, the retaining member 2 abuts against the elastic member 3 or the retaining member 2 abuts against the elastic member 3, and the length of the retaining member 2 is selected according to the outer diameter of the cable 200, which is not specifically limited herein.

In order to prevent the cable 200 from deviating in the clamping space, in the embodiment, the clamping assemblies 2 are provided in two sets, and each set of clamping member 22 includes two parallel supporting rods 21 and a clamping member 22 sleeved on the supporting rods 21. Wherein, each support rod 21 is connected with the mounting seat 1 through the fixed seat 4. In this embodiment, the automatic centering structure has four support rods 21 and four retaining members 22 respectively sleeved on the four support rods 21, the four retaining members 22 form the retaining space, and when the cable 200 is inserted into the retaining space, the four retaining members 22 respectively rotate along the four support rods 21, so that the cable 200 can more smoothly pass through the retaining space. In order to prevent the central axis of the cable 200 from deviating in the clamping space, in this embodiment, the two clamping members 22 of each group of clamping components 2 are disposed on the same side of the mounting base 1, and the central axes of the two groups of clamping components 2 are perpendicular to each other, i.e., the two groups of clamping components 2 form a "well" shape. In other embodiments, the two clamping members 22 of the two clamping assemblies 2 may be respectively disposed on the same side of the mounting base 1, at this time, the two clamping assemblies 2 form a square shape, or alternatively, the two clamping members 22 of one of the clamping assemblies 2 may be respectively disposed on two sides of the other clamping assembly 2, or the clamping space may be formed, so as to clamp and fix the cable 200, where the positions of the four clamping members 22 are not specifically limited, as long as the above-mentioned effects are achieved.

Referring to fig. 1 and 5, the retaining member 22 has a retaining surface 221, when an external force is applied to the retaining member 22, the cable 200 is inserted into the retaining space, and the retaining surface 221 of the retaining member 22 contacts with the outer surface of the cable 200 to retain and fix the cable 200. Wherein, this card is held the face 221 and is set up to the arcwall face 221, and this arcwall face 221 is the indent arcwall face 221 to when using this automatic centering structure, the subassembly 2 can be held to the card and can be switched between the state is held to first card and the second card, and can make the axis of cable 200 be in same straight line all the time, need not the position of manual adjustment cable 200. In other embodiments, the arc surface 221 may also be an outer arc surface, and the clamping member 22 can be switched between the first clamping state and the second clamping state, which is not limited herein, as long as the first clamping state and the second clamping state can be switched. Specifically, when the holding assembly 2 is in the first holding state, the central axes of the holding surfaces 221 of the two holding members 22 in each group do not overlap in the horizontal direction, and when the holding assembly 2 is in the second holding state, the central axes of the holding surfaces 221 of the two holding members 22 in the horizontal direction overlap.

Referring to fig. 5, in order to better fix the cable 200 and prevent the cable 200 from deviating, the retaining assembly 2 further includes a friction member 222 disposed on the retaining member 22, wherein the friction member 222 is disposed on at least a portion of the retaining surface 221 to increase the friction force between the outer surface of the cable 200 and the retaining surface 221. The friction member 222 and the retaining member 22 can be integrally formed or separately formed, in this embodiment, the friction member 222 is an annular protrusion 222 disposed along the retaining surface 221 of the retaining member 22, in other embodiments, the friction member 222 can also be an annular groove disposed along the retaining surface 221 of the retaining member 22, which is not limited in this respect.

The chucking assembly 2 further includes at least one bearing (not shown), and at least one shaft is installed at an end side of the chucking member 22 to improve the rotation accuracy of the chucking member 22. In the present embodiment, two bearings are provided, and the two bearings are respectively provided at both ends of each of the chucking members 22 through a connecting member.

Referring to fig. 1, the retaining assembly 2 further includes a buffer member 24, and the buffer member 24 is disposed at an end of the retaining member 22 away from the elastic member 3. The purpose of the buffer 24 is to: when the retaining assembly 2 is switched from the second retaining state to the first switching state, the retaining member 22 moves toward the buffer member 24 under the action of the elastic member 3, so as to prevent the retaining member 22 from directly colliding with the fixing base 4, which causes damage to the retaining member 22.

In summary, the following steps: at least two groups of clamping pieces 22 and the elastic piece 3 connected with the clamping pieces 22 are arranged, so that a clamping space is formed between the at least two groups of clamping pieces 22 to clamp and fix the cable 200; because each clamping part 22 is provided with the arc-shaped surface, when the cables 200 with different outer diameters are replaced in the clamping space, only external force needs to be applied to the clamping part 22, so that the elastic part 3 deforms, the position of the clamping part 22 relative to the cables 200 is adjusted, the central axis of each cable 200 is always located at the same position, the operation is simple, time and labor are saved, and the production efficiency is improved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. An automatic centering structure, comprising:

a mounting seat;

the elastic piece is connected with the mounting seat; and

2. The automatic centering structure as claimed in claim 1, wherein each set of said retaining members comprises a support rod disposed in parallel and a retaining member fitted over said support rod, said elastic member being fitted over said support rod and connected to said retaining member, said retaining member having a retaining surface;

3. The self-centering structure as claimed in claim 2, wherein said retaining surface is an arcuate surface.

4. The automatic centering structure of claim 3, wherein said catch assembly further comprises a friction member disposed on said catch, said friction member being disposed on at least a portion of said catch surface.

5. The self-centering structure as claimed in claim 4, wherein said friction member is a protrusion.

6. The automatic centering structure as claimed in claim 4, wherein said friction member is provided integrally with said retaining member or provided separately therefrom.

7. The self-centering structure as claimed in claim 2, wherein said catch assembly further comprises at least one bearing, at least one of said bearings being mounted on an end side of said catch.

8. The automatic centering structure of claim 2, wherein said catch assembly further comprises a buffer member disposed at an end of said catch member remote from said resilient member.

9. The automatic centering structure as claimed in claim 2, wherein the two said catches of each set of said catch assemblies are disposed on the same side of said mounting base.

10. The automatic centering structure as claimed in claim 2, wherein two said retainers of each said set of said retainer assemblies are disposed on either side of said mounting base.