CN220698844U

CN220698844U - Rod piece adds clamping apparatus

Info

Publication number: CN220698844U
Application number: CN202321855548.5U
Authority: CN
Inventors: 汪国轩; 周文
Original assignee: Jsi Rock Tools Co ltd
Current assignee: Jsi Rock Tools Co ltd
Priority date: 2023-07-14
Filing date: 2023-07-14
Publication date: 2024-04-02
Anticipated expiration: 2033-07-14

Abstract

The utility model provides a rod piece machining clamp which comprises a plurality of supporting devices, wherein each supporting device comprises a base, a first boss, a second boss, a first hoop, a second hoop and an operating rod, the first boss, the second boss and the first hoop are fixedly connected with the base, the operating rod is hinged with the first boss, the operating rod is also in threaded connection with a locking nut, one end of the second hoop is hinged with the second boss, a notch is formed in the other end of the second hoop, and the caliber of the notch is larger than the outer diameter of the operating rod. By adopting the technical scheme, when the workpiece is clamped, the second anchor ear is turned over to cover the first anchor ear, the operating rod passes through the corresponding notch on the surface of the second anchor ear, and the locking nut is screwed down, so that the workpiece can be clamped between the first anchor ear and the second anchor ear, and the clamping of the workpiece is completed.

Description

Rod piece adds clamping apparatus

Technical Field

The utility model belongs to the technical field of cutting processing equipment, and particularly relates to a rod piece processing clamp.

Background

In mining engineering equipment, the processing of a long cutter bar with the length-diameter ratio of more than 10 times is very important, the processing quality directly influences the final use performance requirement of the cutter bar, and is stressed by manufacturers in the past, however, because the length-diameter ratio of the long cutter bar is very large, the conventional cutting processing method is used, in the cutting processing process, the original stress balance system of a workpiece is broken due to the fact that the workpiece is subjected to the action force from a cutting tool and the cutting heat generated by friction between the workpiece and a prop is conducted through the workpiece, the workpiece is in a local heated state, inconsistent strain and thermal deformation are generated in each area of the workpiece, and the processing quality technical indexes of coaxiality, straightness and radial circle runout of the long cutter bar are easily reduced, so that the processing quality of the workpiece is difficult to improve.

In the prior art, the publication number is: the patent literature of CN208428151U discloses a clamp for processing a long drill rod, which comprises a support body and a plurality of clamping devices, wherein each clamping device comprises a U-shaped support, a first hoop and a second hoop, the support is arranged on the same plane of the support body, the first hoop is fixedly arranged on the support, the U-shaped support is provided with a first support arm and a second support arm, one end of the second hoop is hinged with the first support arm, when the other end of the second hoop is connected with the second support arm, two opposite surfaces of the first hoop and the second hoop are communicated with each other around a clamping curved surface with two ends being formed, the periphery of the clamping curved surface is sealed, and a plurality of rolling bearings are arranged on the clamping curved surface; according to the technical scheme, the rolling bearing is used for applying radial clamping force to the workpiece to clamp the workpiece, so that damage to the surface of the workpiece is reduced, however, the clamp still has the following defects that on one hand, the workpiece is easy to move along the axial direction of the workpiece to influence the machining precision due to the fact that the workpiece is only clamped in the radial direction, and on the other hand, more fasteners such as bolts and nuts are needed to be used for clamping the workpiece, once the bolts and the nuts are lost, the bolts and the nuts are difficult to find, and the clamping efficiency of the workpiece is influenced.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a rod piece machining clamp.

The utility model is realized by the following technical scheme.

The utility model provides a rod piece machining clamp which comprises a plurality of supporting devices, wherein each supporting device comprises a base, a first boss, a second boss, a first hoop, a second hoop and an operating rod, the first boss, the second boss and the first hoop are fixedly connected with the base, the operating rod is hinged with the first boss, the operating rod is further in threaded connection with a locking nut, one end of the second hoop is hinged with the second boss, a notch is formed in the other end of the second hoop, and the caliber of the notch is larger than the outer diameter of the operating rod.

The surface of first staple bolt is equipped with first heavy groove, the surface of second staple bolt is equipped with the heavy groove of second, when making the second staple bolt lid closes first staple bolt, first heavy groove and the heavy groove of second are relative opposition each other to a plurality of antifriction bearings are all installed in first heavy groove, the heavy inslot of second.

The supporting device further comprises a limiting sleeve, an annular groove is formed in the outer circumferential surface of the limiting sleeve, and the rolling bearing extends into the annular groove.

The number of the rolling bearings is even, and all the rolling bearings are uniformly divided according to the number and then are arranged in the first sinking groove and the second sinking groove.

The number of the rolling bearings is 4.

The method is characterized in that: the rolling bearing is a deep groove ball bearing.

The whole of the first anchor ear and the second anchor ear is in a semicircular shape.

The rod machining fixture further comprises a frame, and the supporting device is mounted on the frame through bolts.

The frame is a frame structure which is welded by rectangular steel pipes or channel steel.

The number of the supporting devices is not less than 2.

The utility model has the beneficial effects that: by adopting the technical scheme, when the workpiece is clamped, the second anchor ear is turned over to cover the first anchor ear, the operating rod passes through the corresponding notch on the surface of the second anchor ear, and the locking nut is screwed down, so that the workpiece can be clamped between the first anchor ear and the second anchor ear, and the clamping of the workpiece is completed.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a front view of the support device of the present utility model;

FIG. 3 is a left side view of the support device of the present utility model;

fig. 4 is a top view of a first anchor ear of the present utility model;

fig. 5 is a top view of a second anchor ear of the present utility model;

FIG. 6 is a front view of the stop collar of the present utility model;

fig. 7 is a left side view of the stop collar of the present utility model.

In the figure: the device comprises a 1-supporting device, a 2-base, a 3-first boss, a 4-second boss, a 5-first hoop, a 6-second hoop, a 7-operating rod, an 8-locking nut, a 9-notch, a 10-first sinking groove, a 11-second sinking groove, a 12-rolling bearing, a 13-limiting sleeve, a 14-ring groove, a 15-frame, a 16-handle and a 17-workpiece.

Detailed Description

The technical solution of the present utility model is further described below, but the scope of the claimed utility model is not limited to the above.

As shown in fig. 1 to 7, the present utility model provides a rod processing fixture, including 1, a rod processing fixture, characterized in that: including a plurality of strutting arrangement 1, strutting arrangement 1 includes base 2, first boss 3, second boss 4, first staple bolt 5, second staple bolt 6 and action bars 7, first boss 3, second boss 4 and first staple bolt 5 all link firmly with base 2, action bars 7 are articulated with first boss 3, action bars 7 still with lock nut 8 spiro union, the one end and the second boss 4 of second staple bolt 6 are articulated, the other end of second staple bolt 6 is equipped with notch 9, notch 9 bore is greater than the external diameter of action bars 7.

By adopting the technical scheme, when the workpiece is clamped, the second anchor ear is turned over to cover the first anchor ear, the operating rod passes through the corresponding notch on the surface of the second anchor ear, and the locking nut is screwed down, so that the workpiece can be clamped between the first anchor ear and the second anchor ear, and the clamping of the workpiece is completed.

Specifically, the surface of the first anchor ear 5 is provided with a first sinking groove 10, the surface of the second anchor ear 6 is provided with a second sinking groove 11, when the second anchor ear 6 is covered with the first anchor ear 5, the first sinking groove 10 and the second sinking groove 11 are opposite to each other, and a plurality of rolling bearings 12 are arranged in the first sinking groove 10 and the second sinking groove 11. By adopting the technical scheme of the utility model, the workpiece is clamped and pressed through the rolling bearing 12, the outer peripheral surface of the rolling bearing is in direct contact with the surface of the workpiece, and the mutual contact part is in line contact with the axial direction of the workpiece, so that the influence of the bearing on the compression injury of the surface of the workpiece is minimized, and the damage to the workpiece in the cutting process is reduced.

In addition, the supporting device 1 further comprises a limiting sleeve 13, an annular groove 14 is formed in the outer peripheral surface of the limiting sleeve 13, and the rolling bearing 12 extends into the annular groove 14. By adopting the technical scheme of the utility model, when the workpiece is cut, the rod workpiece is sleeved in the central hole of the limit sleeve 13, and then the rolling bearing 12 stretches into the annular groove 14, so that the rolling bearing 12 has a supporting effect on the limit sleeve 13, the axial movement of the limit sleeve 13 and the workpiece along the self is limited by the width of the rolling bearing 12, and a foundation is laid for improving the machining precision.

Specifically, the number of the rolling bearings 12 is an even number, and all the rolling bearings 12 are uniformly divided according to the number and then are installed in the first and second sinking grooves 10 and 11. The number of rolling bearings 12 is 4. Preferably, the rolling bearing 12 is a deep groove ball bearing.

In addition, the whole of the first anchor ear 5 and the second anchor ear 6 is semicircular. The bar processing clamp further comprises a frame 15, and the supporting device 1 is mounted on the frame 15 by bolts. The frame 15 is a frame structure made of rectangular steel pipes or channel steel by welding. The number of the supporting devices 1 is not less than 2. By adopting the technical scheme of the utility model, the plurality of supporting devices are arranged along the axial direction of the workpiece, so that the stress of each part of the workpiece in the axial direction is more balanced, the technical indexes such as coaxiality, straightness and the like of the workpiece in the machining process are effectively ensured, and as the rolling bearings 12 apply acting force along the radial direction of the workpiece, any two rolling bearings 12 opposite to each other apply radial clamping force on the surface of the workpiece in opposite directions, and the radial clamping forces counteract each other, so that the damage to the surface of the workpiece is reduced.

In addition, the tip of the operation lever 7 is also fixedly connected to the handle 16, and the longitudinal direction of the operation lever 7 perpendicularly intersects with the longitudinal direction of the handle 16. On the one hand, the lock nut 8 is always arranged between the handle 16 and the first boss 3, so that the lock nut 8 is prevented from falling off or losing, and on the other hand, an operator can conveniently apply operation moment to the operation rod 7 and the lock nut 8, and rapidly clamp a workpiece.

Claims

1. The utility model provides a member adds clamping apparatus which characterized in that: including a plurality of strutting arrangement (1), strutting arrangement (1) include base (2), first boss (3), second boss (4), first staple bolt (5), second staple bolt (6) and action bars (7), first boss (3), second boss (4) and first staple bolt (5) all with base (2) link firmly, action bars (7) with first boss (3) are articulated, action bars (7) still with lock nut (8) spiro union, the one end of second staple bolt (6) with second boss (4) are articulated, the other end of second staple bolt (6) is equipped with notch (9), notch (9) bore is greater than the external diameter of action bars (7).

2. The bar processing clamp of claim 1, wherein: the surface of first staple bolt (5) is equipped with first heavy groove (10), the surface of second staple bolt (6) is equipped with second heavy groove (11), when making second staple bolt (6) lid closes first staple bolt (5), first heavy groove (10) and second heavy groove (11) are relative each other to a plurality of antifriction bearings (12) are all installed in first heavy groove (10), the second heavy groove (11).

3. The bar processing clamp of claim 2, wherein: the supporting device (1) further comprises a limiting sleeve (13), an annular groove (14) is formed in the outer circumferential surface of the limiting sleeve (13), and the rolling bearing (12) stretches into the annular groove (14).

4. The bar processing clamp of claim 2, wherein: the number of the rolling bearings (12) is even, and all the rolling bearings (12) are uniformly divided according to the number and then are arranged in the first sinking groove (10) and the second sinking groove (11).

5. The bar processing clamp of claim 4, wherein: the number of the rolling bearings (12) is 4.

6. A rod machining jig according to any one of claims 2 to 4, wherein: the rolling bearing (12) is a deep groove ball bearing.

7. A rod machining jig according to claim 1 or 2, wherein: the whole of the first anchor ear (5) and the second anchor ear (6) is in a semicircular shape.

8. The bar processing clamp of claim 1, wherein: the rod machining fixture further comprises a frame (15), and the supporting device (1) is mounted on the frame (15) through bolts.

9. The bar processing clamp of claim 8, wherein: the frame (15) is a frame structure which is welded by rectangular steel pipes or channel steel.

10. A rod machining jig according to claim 1 or 8, wherein: the number of the supporting devices (1) is not less than 2.