CN210232647U

CN210232647U - Quick clamping device of external grinding shaft head

Info

Publication number: CN210232647U
Application number: CN201920520742.5U
Authority: CN
Inventors: Hengzhen Tang; 唐恒真
Original assignee: Liaocheng Xintai Machine Tool Co ltd
Current assignee: Liaocheng Xintai Machine Tool Co ltd
Priority date: 2019-04-17
Filing date: 2019-04-17
Publication date: 2020-04-03
Anticipated expiration: 2029-04-17

Abstract

The utility model discloses a quick clamping device for an outer grinding spindle nose, which comprises a clamping device body, wherein the periphery of the clamping device body is provided with a mounting hole for connecting two adjusting parts by screw threads, the periphery of the clamping device body is provided with an opening for connecting the clamping parts through pins, the clamping parts comprise cams and handheld rods, the handheld rods are fixed with the outer side of the clamping device body through tension springs, and the outer side of the clamping device body is provided with a fixed rod; the utility model discloses avoided original screw to press from both sides tightly, compared the workman and used spanner locking work piece, practiced thrift 2/3's operating time, improved workman's production efficiency greatly, the device has realized that used work piece clamp force is unanimous moreover, is that the work piece that grinds out is better has kept the machining precision, has avoided workpiece surface's damage simultaneously, has saved the repair time who presss from both sides the trace.

Description

Quick clamping device of external grinding shaft head

Technical Field

The utility model relates to the technical field of machine tools, concretely relates to quick clamping device of outer mill spindle nose.

Background

In the process of machining parts, a plurality of shaft parts need to be subjected to excircle grinding, and according to mechanical properties and the use requirements of a machine tool, when the excircle of the shaft part is ground, one end needs to be clamped, and the other end needs to be tightly propped, so that the machining precision of the part is met; generally, a heart-shaped clamp or other self-made devices are adopted to clamp one end of the component, the clamping devices are generally clamped by 3 screws, 2 of the clamping devices are well adjusted and fixed, and after a shaft head of the component is placed in the component, the last screw is slightly screwed by a spanner; this results in the following drawbacks: 1. the efficiency is low, and the screw needs to be screwed up manually; 2. due to uneven force application, the shaft head is easy to leave extrusion traces.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide an outer quick clamping device of grinding spindle nose.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an outer quick clamping device of grinding spindle nose, includes the clamping device body, clamping device body periphery is equipped with the mounting hole for two regulating parts of screw joint, and clamping device body periphery is equipped with an opening for through pin joint clamping part, clamping part include cam and handheld pole, and handheld pole is fixed in the clamping device body outside through the extension spring, and the clamping device body outside is equipped with the dead lever.

Specifically, the clamping device body is a circular ring-shaped clamping ring.

Specifically, the regulating part includes first regulating part and second regulating part, and the regulating part is adjusting screw, specifically is socket head cap screw.

Specifically, the cam of the clamping part is connected to the central opening of the outer side of the clamping device body through a pin, and the handheld rod is connected with the cam and suspended.

Specifically, the first adjusting part, the second adjusting part and the pins are distributed on the periphery of the clamping device body at equal intervals.

Specifically, the circle center of the cam is distributed in a staggered manner with the axis of the pin.

Specifically, two ends of the tension spring are fixedly connected with the handheld rod and the outer side of the clamping device body through hanging columns respectively.

The utility model discloses following beneficial effect has:

1. the utility model discloses avoided original screw to press from both sides tightly, compared the workman and used spanner locking work piece, practiced thrift 2/3's operating time, improved workman's production efficiency greatly, the device has realized that used work piece clamp force is unanimous moreover, makes the better machining precision that has kept of work piece that grinds out, has avoided workpiece surface's damage simultaneously, has saved the repair time who presss from both sides the trace.

Drawings

Fig. 1 is a front view of an outer grinding bit quick clamping device.

Fig. 2 is a top view of the opening of the outer grinding spindle head quick clamping device.

In the figure: 1-a clamping device body; 2-an adjustment section; 21-a first adjustment part; 22-a second adjustment; 3-a clamping part; 31-a cam; 32-hand-held rod; 4-a tension spring; 5-pin; 6-fixing the rod; 7-hanging the column.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-2, a rapid clamping device for an outer grinding spindle head comprises a clamping device body 1, wherein a mounting hole is formed in the periphery of the clamping device body 1 and used for connecting two adjusting portions 2 in a threaded manner, an opening is formed in the periphery of the clamping device body 1 and used for being connected with a clamping portion 3 through a pin 5, the clamping portion 3 comprises a cam 31 and a handheld rod 32, the handheld rod 32 is fixed to the outer side of the clamping device body 1 through a tension spring 4, and a fixing rod 6 is arranged on the outer side of the clamping device body 1.

The clamping device body 1 is a circular clamping ring; the adjusting part 2 comprises a first adjusting part 21 and a second adjusting part 22, and the adjusting part 2 is an adjusting screw, in particular a socket head cap screw; the cam 31 of the clamping part 3 is connected to the central opening of the outer side of the clamping device body 1 through a pin 5, and the hand-held rod 32 is connected with and suspended from the cam 32; the first adjusting part 21, the second adjusting part 22 and the pins 5 are distributed at equal intervals on the periphery of the clamping device body 1; two ends of the tension spring 4 are respectively fixedly connected with the handheld rod 32 and the outer side of the clamping device body 1 through the hanging columns 7; the circle center of the cam 31 and the axis of the pin 5 are distributed in a staggered manner, and the cam is used for increasing the accommodating space of the body and stretching the tension spring 4.

In normal use, the first regulating part 21 and the second regulating part 22 are first adjusted to appropriate positions and fixed; then the fixed rod 6 and the hand-held rod 32 are used for holding by hands, when clamping is carried out, the convex 31 wheel rotates around the pin 5 by pressing down the hand-held rod 32, so that the accommodating space of the clamping device body 1 is enlarged, the shaft head of the shaft workpiece is conveniently placed in the shaft head, after the shaft head is placed in the shaft head, the hand-held rod 32 is loosened, the cam 31 is rotated inwards by the hand-held rod 32 under the action of the tension spring 4, and the clamping of the workpiece is realized; the workpiece is quickly fixed on the machine tool, the original screw clamping is avoided, the workpiece is locked by frequently using a wrench, the operation time of 2/3 can be saved, the production efficiency is greatly improved, the device realizes the consistency of the clamping force of the used workpiece, the ground workpiece is enabled to better maintain the processing precision, meanwhile, the damage to the surface of the workpiece is avoided, and the trimming time of clamping marks is saved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an outer quick clamping device of grinding spindle nose, includes the clamping device body, its characterized in that: the clamping device comprises a clamping device body and is characterized in that a mounting hole is formed in the periphery of the clamping device body and used for connecting two adjusting portions in a threaded mode, an opening is formed in the periphery of the clamping device body and used for connecting the clamping portions through pins, each clamping portion comprises a cam and a handheld rod, the handheld rods are fixed to the outer side of the clamping device body through tension springs, and fixing rods are arranged on the outer side of the clamping device body.

2. The rapid clamping device for the externally grinding spindle head according to claim 1, wherein: the clamping device body is a circular ring-shaped clamping ring.

3. The rapid clamping device for the externally grinding spindle head according to claim 1, wherein: the regulating part comprises a first regulating part and a second regulating part, and the regulating part is a regulating screw, in particular a socket head cap screw.

4. The rapid clamping device for the externally grinding spindle head according to claim 1, wherein: the cam of the clamping part is connected to the central opening of the outer side of the clamping device body through a pin, and the handheld rod is connected with the cam and suspended.

5. The rapid clamping device for an externally grinding spindle head according to claim 3, wherein: the first adjusting part, the second adjusting part and the pins are distributed on the periphery of the clamping device body at equal intervals.

6. The rapid clamping device for the externally grinding spindle head according to claim 1, wherein: the circle center of the cam is distributed in a staggered manner with the axis of the pin.

7. The rapid clamping device for the externally grinding spindle head according to claim 1, wherein: and two ends of the tension spring are respectively fixedly connected with the handheld rod and the outer side of the clamping device body through the hanging columns.