CN218226345U

CN218226345U - Step type expansion sleeve pull rod combined dynamic balance clamp

Info

Publication number: CN218226345U
Application number: CN202222065448.4U
Authority: CN
Inventors: 原初萍
Original assignee: Shaanxi Fast Gear Co Ltd
Current assignee: Shaanxi Fast Gear Co Ltd
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2023-01-06
Anticipated expiration: 2032-08-04

Abstract

The utility model discloses a step type expansion sleeve pull rod combined dynamic balance clamp, which belongs to the technical field of retarder rotor assembly, and comprises an expansion sleeve, a pull rod, a body, a support A and a support B, wherein the pull rod is arranged in the expansion sleeve, the expansion sleeve is a step type expansion sleeve and is divided into an upper section and a lower section, and the diameter of the upper section is smaller than that of the lower section; the size of the upper section of the expansion sleeve is matched with the size of a mounting hole of the rotor A to be processed, and the size of the lower section of the expansion sleeve is matched with the size of a mounting hole of the rotor B to be processed; the A support is arranged at the bottom of the rotor A, and the B support is arranged at the bottom of the rotor B; a body is arranged between the expansion sleeve and the pull rod; the dynamic balance fixture solves the technical problems that the conventional dynamic balance fixture can only adapt to a rotor with one size, and when the rotor is replaced, the whole set of fixture needs to be replaced, so that the working efficiency and the productivity are influenced.

Description

Step type expansion sleeve pull rod combined dynamic balance clamp

Technical Field

The utility model belongs to the technical field of retarder rotor assembly, concretely relates to step cover pull rod combination dynamic balance anchor clamps that rise.

Background

With the increasing market demand of the retarder, the capacity problem of the retarder becomes a bottleneck, and the retarder comprises a retarder rotor. However, because two different rotors to be processed for a long time, for example, the rotor a and the rotor B, have different positioning apertures and axial dimensions, and the designed dynamic balance clamps are all special clamps, the whole set of clamps needs to be disassembled and replaced with a clamp for replacing a product during each time of production replacement, which is time-consuming and labor-consuming, and has a great influence on productivity.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model aims to provide a step type expansion sleeve pull rod combined dynamic balance clamp, which only can adapt to a size of rotor, and when the rotor is replaced, the whole set of clamp needs to be replaced, thereby affecting the technical problems of the working efficiency and the productivity.

In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:

a step type expansion sleeve and pull rod combined dynamic balance clamp comprises an expansion sleeve, a pull rod, a body, a support A and a support B, wherein the pull rod is installed in the expansion sleeve, the expansion sleeve is a step type expansion sleeve and is divided into an upper section and a lower section, and the diameter of the upper section is smaller than that of the lower section; the size of the upper section of the expansion sleeve is matched with the size of the mounting hole of the rotor A, and the size of the lower section of the expansion sleeve is matched with the size of the mounting hole of the rotor B; the A support is arranged at the bottom of the rotor A, and the B support is arranged at the bottom of the rotor B; a body is arranged between the expansion sleeve and the pull rod.

Preferably, a joint of the upper section and the lower section of the expansion sleeve is provided with a downward oblique lead angle.

Preferably, a tapered hole is formed in the expander.

Preferably, the bottom end of the pull rod is provided with a guide angle.

Preferably, the upper part of the B support and the A support are provided with corresponding connecting holes.

Preferably, the body is connected with the expansion sleeve through an anti-rotation pin.

Preferably, the body is mounted on a coupling disc of a machine tool.

Preferably, a plurality of grooves are formed in the outer side of the expansion sleeve along the circumferential direction, and the width of each groove is larger than the thickness of the flat-cutting part of each anti-rotation pin.

Preferably, when the rotor B is installed, the support B is screwed and fixed on the body through a connecting piece, and the rotor B is installed on the support B.

Preferably, when the rotor A is installed, the support B is screwed and fixed on the body through the connecting piece, the support A is screwed and fixed on the support B through the connecting piece, and the rotor A is installed on the support A.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a step cover pull rod combination dynamic balance anchor clamps that rise, the cover that rises for the step cover that rises, divide into upper segment and hypomere two parts, the diameter of upper segment is less than the diameter of hypomere, the size of the upper segment of the cover that rises matches with the mounting hole size of A rotor, the size of the hypomere of the cover that rises matches with the mounting hole size of B rotor, can compromise the assembly processing of two kinds of products of A rotor and B rotor, need not change a whole set of anchor clamps, through installing A additional and supporting the adjustment height, can realize the quick product change of two kinds of products of A rotor and B rotor.

Furthermore, a bevel angle which is inclined downwards is arranged at the joint of the upper section and the lower section of the expansion sleeve, so that the rotor is convenient to mount.

Furthermore, the bottom end of the pull rod is provided with a guide angle, so that the pull rod and the expansion sleeve can be conveniently installed together.

Furthermore, a plurality of grooves are formed in the outer side of the expansion sleeve along the circumferential direction, the width of each groove is larger than the thickness of the flattened part of each anti-rotation pin, and therefore the anti-rotation pins can be conveniently and smoothly installed in any groove in the circumferential direction of the expansion sleeve during assembly.

Drawings

FIG. 1 is a schematic view of an assembly structure of a rotor A;

FIG. 2 is a schematic view of the assembly structure of the rotor B;

FIG. 3 is a schematic structural view of the rotor A;

FIG. 4 is a schematic structural diagram of a rotor B;

FIG. 5 is a schematic view of the combination structure of the expansion sleeve and the pull rod;

FIG. 6 is a schematic structural view of the body;

fig. 7 is a schematic front view of the expansion sleeve of the present invention;

fig. 8 is a schematic top view of the expansion sleeve of the present invention;

FIG. 9 is a schematic view of a pull rod structure;

wherein: 1-a connecting disc; 2-a first bolt; 3-B supporting; 4-a second bolt; 5-expansion sleeve; 6-a pull rod; 7-A support; 8-anti-rotation pin; 9-set screws; 10-a body; 11-a piston; a 12-A rotor; 13-B rotor.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention 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 invention described herein are capable of operation in other sequences than those illustrated or 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.

The present invention will be described in further detail with reference to the accompanying drawings:

the utility model discloses a step cover pull rod combination dynamic balance anchor clamps that rise, including the cover 5 that rises, pull rod 6, A support 7 and B support 3, the cover 5 that rises is the step cover that rises, divide into upper segment and hypomere two parts, and the diameter of upper segment is less than the diameter of hypomere, and the oblique decurrent lead angle has been seted up with linking department of hypomere to the upper segment.

The size of the upper section of the expansion sleeve 5 is matched with the size of the mounting hole of the rotor A12, and the size of the lower section of the expansion sleeve 5 is matched with the size of the mounting hole of the rotor B13.

The expansion sleeve 5 is uniformly provided with a plurality of grooves along the circumferential direction, the width of each groove is larger than the thickness of the flattened part of the anti-rotation pin 8, and the anti-rotation pin 8 can be conveniently and smoothly arranged in any groove in the circumferential direction of the expansion sleeve 5 during assembly.

The bottom end of the pull rod 6 is provided with a lead angle, so that the pull rod and the expansion sleeve 5 can be conveniently installed together.

The B support 3 is arranged at the bottom end of the B rotor 13, and the A support is arranged at the bottom end of the A rotor 12.

Corresponding bolt holes are formed in the upper portion of the support B3 and the support A7 and used for mounting the second bolts 4.

The step type expansion sleeve pull rod combined dynamic balance clamp comprises the following steps of:

s1: the body 10 is mounted. Installing a body 10 on a connecting disc 1 arranged on a machine tool through a bolt, and then aligning the body to a qualified range;

s2: and an expansion sleeve 5 and a pull rod 6 are installed in combination. The pull rod 6 is arranged in a hole of the body 10, meanwhile, the flattened part of the anti-rotation pin 8 is placed in any groove in the circumferential direction of the step expanding sleeve 5, then an inner hexagonal wrench is placed in an inner hexagon on the pull rod 6 to be rotationally arranged in a threaded hole of the piston 11 at the connecting disc 1, and when the upper end face of the thread of the pull rod 6 is completely attached to the upper end face of the piston 11, the pull rod 6 is arranged in place;

s3: the mount B supports the 3. The set screw 9 is fixed to the B-support 3 in advance, and then the B-support 3 is screwed to the body 10 by the first bolt 2.

S4: and finishing the positioning and installation of the product.

1) When the rotor B13 is processed, the mounting hole of the rotor B13 to be measured is sleeved on the lower section of the expansion sleeve 5, the positioning surface of the rotor B13 is tightly attached to the upper end surface of the support B3, a machine tool button is started, and the piston 11 drives the expansion sleeve 5 and the pull rod 6 to move downwards to realize positioning and clamping of the rotor B.

2) When the rotor A12 is machined, the rotor A7 is additionally arranged on the support B3 through the second bolt 4 and fixed, the mounting hole of the rotor A12 to be tested is sleeved on the upper section of the expansion sleeve 5, the positioning surface of the rotor A12 is tightly attached to the upper end surface of the rotor A7, a machine tool button is started, and the piston 11 drives the expansion sleeve 5 and the pull rod 6 to move downwards to realize positioning and clamping of the rotor A12.

S5: and (5) normally processing.

The above contents are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical solution according to the technical idea of the present invention all fall within the protection scope of the claims of the present invention.

Claims

1. A step type expansion sleeve pull rod combined dynamic balance clamp is characterized by comprising an expansion sleeve (5), a pull rod (6), a body (10), an A support (7) and a B support (3), wherein the pull rod (6) is installed in the expansion sleeve (5), the expansion sleeve (5) is a step type expansion sleeve and is divided into an upper section and a lower section, and the diameter of the upper section is smaller than that of the lower section; the size of the upper section of the expansion sleeve (5) is matched with the size of a mounting hole of a rotor A (12) to be processed, and the size of the lower section of the expansion sleeve (5) is matched with the size of a mounting hole of a rotor B (13) to be processed; the A support (7) is arranged at the bottom of the A rotor (12), and the B support (3) is arranged at the bottom of the B rotor (13); a body (10) is arranged between the expansion sleeve (5) and the pull rod (6).

2. The dynamic balance clamp for the stepped expansion sleeve and pull rod combination as claimed in claim 1, wherein a joint of the upper section and the lower section of the expansion sleeve (5) is provided with a downward-inclined lead angle.

3. The step type expansion sleeve pull rod combined dynamic balance clamp as claimed in claim 1, wherein a tapered hole is formed in the expansion sleeve (5).

4. The step type expansion sleeve pull rod combined dynamic balance clamp as claimed in claim 1, wherein a lead angle is formed at the bottom end of the pull rod (6).

5. The dynamic balance clamp for the stepped expansion sleeve pull rod combination according to claim 1, wherein the upper part of the support B (3) and the support A (7) are provided with corresponding connecting holes.

6. The step type expansion sleeve pull rod combined dynamic balance clamp as claimed in claim 1, wherein the body (10) and the expansion sleeve (5) are connected through an anti-rotation pin (8).

7. The dynamic balance clamp of the stepped expansion sleeve pull rod combination as claimed in claim 1, wherein the body (10) is mounted on a connecting disc (1) of a machine tool.

8. The dynamic balance clamp for the stepped expansion sleeve and pull rod combination as claimed in claim 4, wherein a plurality of grooves are formed in the outer side of the expansion sleeve (5) along the circumferential direction, and the width of each groove is greater than the thickness of the flattened part of the anti-rotation pin (8).

9. The step type expansion sleeve pull rod combined dynamic balance clamp as claimed in claim 1, wherein when the B rotor (13) is installed, the B support (3) is screwed and fixed on the body (10) through a connecting piece, and the B rotor is installed on the B support (3).

10. The dynamic balance clamp for the stepped expansion sleeve pull rod combination according to claim 1, wherein when the rotor A (12) is installed, the support B (3) is screwed and fixed on the body (10) through a connecting piece, the support A (7) is screwed and fixed on the support B (3) through a connecting piece, and the rotor A (12) is installed on the support A (7).