WO2016047943A2

WO2016047943A2 - Tightness-checking apparatus of milling vice

Info

Publication number: WO2016047943A2
Application number: PCT/KR2015/009550
Authority: WO
Inventors: 안종철
Original assignee: 안종철
Priority date: 2014-09-25
Filing date: 2015-09-10
Publication date: 2016-03-31
Also published as: KR101501689B1; WO2016047943A3

Abstract

The tightness-checking apparatus of a milling vice of the present invention has tightness display parts (32) formed intermittently on the outer circumferential surface of a fixed ring (8) at certain intervals for being able to check the tightness between a fixed jaw (2) and a moving jaw (3) due to the rotation of a rotation screw (7); and a reference point display part (34) formed in the centre of the top surface of a support bracket (10) for providing a reference point so that an increase/decrease in the rotation of the rotation screw (7) can be checked using the tightness display part (32), and thereby removes errors resulting from changes in tightening pressure when rotating the rotation screw (7) so that a large quantity of workpieces can be clamped between the fixed jaw (2) and the moving jaw (3), while being capable of maintaining a uniform processing accuracy for a large quantity of workpieces and preventing safety-related accidents due to workpieces escaping.

Description

Tightening amount checking device of milling vice

The present invention relates to a milling vise for tightening a workpiece, and more particularly, to an apparatus for checking a tightening amount of a milling vise capable of confirming a tightening amount of a fixed jaw and a moving jaw clamping a workpiece according to rotation of a rotating screw. will be.

In general, in order to process a workpiece, the state of the workpiece is fixed constantly using a vice, etc., and the workpiece is processed with a bite or a milling cutter. The vise is a tool that bites to fix the work, such as a box vice, leg vice, milling vice, etc., is usually fixed on the workbench for processing the workpiece.

An example of the structure of such a vise is the work milling vise of JP-A-1999-009871.

That is, the conventional workpiece milling vise is detachably fixed to the work table as shown in Figs. 1 and 2, the main body (1) constituting the lower portion and the two vice jaw installed on the upper portion of the main body (1) That is, it consists of a fixed jaw (2) and a moving jaw (3), the fixed jaw (2) and the moving jaw (3) is made of a structure for fixing the workpiece while contacting or spaced apart from each other.

In addition, on the opposite side of the movable jaw 3 which is not in surface contact with the fixed jaw 2, a hollow screw 6 and a rotating screw 7 for moving the jaw 3 forward and backward are provided. The hollow screw 6 and the rotating screw 7 are connected to each other by screwing, and the other end of the rotating screw 7 is extended to the outside to be rotatably supported by the support bracket 10.

In addition, a guide rail 9 is formed on the upper side of the main body 1 so that the moving jaw 3 moves, and a fixing ring 8 is formed on the outer circumference of the rear end of the rotating screw 7 penetrating the support bracket 10. At the same time, the fixing ring 8 and the rotating screw 7 are fixed by the fixing pin 11.

However, the conventional working milling vise is fixed by the fixing ring 8 is fitted to the outer periphery of the rear end of the rotating screw 7 so that the rotating screw 7 supported on the support bracket 10 is rotated back and forth without moving in the axial direction. Although the structure is fixed by the pin 11, since the function of displaying the amount of rotation is not added to the outer circumferential surface of the fixing ring 8 of such a structure by rotating the rotating screw 7 according to the skill of the operator Since the tightening pressure of the large workpiece clamped between the fixed jaw (2) and the movable jaw (3) cannot be kept constant every time, the machining dimension is slightly errored for each large workpiece, so that the heavy waste must be discarded due to poor dimensions. There was a problem.

That is, when the clamping pressure of the fixed jaw (2) and the moving jaw (3) is strong, it is difficult to overcome the force, and the workpiece is pushed finely to the upper part or difficult to process with a set machining area due to the lifting phenomenon, so that large workpieces are uniformly processed. If the clamping pressure is weak, the workpiece clamped between the fixed jaw (2) and the movable jaw (3) may be dislodged by the contact or collision of the bite or the milling cutter. there was.

The object of the present invention is to solve the problems in consideration of the existing problems, to eliminate the error caused by the change in the tightening pressure when rotating the rotating screw to clamp a large number of workpieces between the fixed jaw and moving jaw The present invention provides a fastening device for checking the tightening amount of a milling vice, which enables to maintain a uniform machining precision for large workpieces and prevents a safety accident due to the departure of the workpiece.

Device for checking the tightening amount of the milling vise according to an embodiment of the present invention for solving the technical problem, the fixing jaw fixed to the upper side of the guide rail, and the upper support bracket of the upper guide rail via the rotating screw A movable jaw installed opposite to the fixed jaw, a fixing ring coupled to the outer periphery of the rear end of the rotating screw so that the rotating screw is rotated back and forth without moving in the axial direction from the support bracket, and the workpiece is clamped by the rotation of the rotating screw. In the milling vise provided with a tightening amount checking means to be adjusted after confirming whether the tightening jaw of the fixed jaw and moving jaw to increase or decrease,

The tightening amount checking means,

Tightening amount display unit is formed of a combination of six equal numbers and scales at regular intervals on the outer circumferential surface of the fixing ring to check the tightening amount of the fixed jaw and moving jaw by the rotation of the rotating screw,

It is formed in the center of the upper surface of the support bracket is composed of a reference point display unit for providing a reference point that can determine whether the rotation of the rotating screw through the tightening amount display unit,

The fixing ring and the rotating screw is coupled by a control bolt pressed through one side of the circumference of the fixing ring to the outer peripheral surface of the rear end of the rotating screw,

The adjustment bolt is characterized in that the groove is formed in the center of the upper surface of the head is formed while the knurling that the operator can loosen or tighten by hand around the head is formed.

As another embodiment, the fixing ring and the rotating screw of the present invention is characterized in that coupled to the inner circumferential surface of the fixing ring and the outer peripheral surface of the rear end side of the rotating screw by a pair of male and female threads.

The tightening amount checking device of the milling vise of the present invention is divided into the outer circumferential surface of the fixing ring, and is formed at regular intervals so that the tightening amount display part and the supporting bracket can check the tightening amount of the fixed jaw and the moving jaw by rotating the rotating screw. Since the reference point is formed in the center of the upper surface to provide a reference point for providing a reference point to determine whether the rotation screw rotation increase or decrease through the tightening amount display portion, the rotating screw is rotated to clamp a large number of workpieces between the fixed jaw and the moving jaw By eliminating the error caused by the change of tightening pressure, the large workpieces can maintain uniform machining accuracy and at the same time, it can prevent the safety accidents caused by the departure of the workpiece.

1 is a perspective view showing the appearance of a conventional milling vise,

Figure 2 is a plan sectional view of a conventional milling vise,

Figure 3 is a perspective view showing a milling vise applied to the tightening amount checking device according to an embodiment of the present invention,

4 is an exploded perspective view of a portion A of FIG. 3;

5 is a longitudinal sectional view taken along line B-B of FIG. 3;

Figure 6 is a perspective view of the main part showing a state in which the rotating screw and the fixing ring screwed according to another embodiment of the present invention,

7 is an exploded perspective view of FIG. 6.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to FIGS. 3 to 7.

For reference, in the configuration and drawings of the present invention, the same components and the same reference numerals are assigned to the same components as the conventional configurations, and detailed description thereof will be omitted.

The tightening amount confirmation device of the milling vise of the present invention, the fixed jaw (2) fixed to the upper side of the guide rail (9), and the rotating screw (7) on the upper support bracket (10) of the upper guide rail (9) After the rotating screw (7) so as to rotate back and forth without moving in the axial direction from the moving jaw (3) and the support bracket (10) installed to face the fixed jaw (2) via the medium. In the fixing ring (8) which is coupled to the outer periphery of the end (7a),

On the outer circumferential surface of the fixing ring 8 and one side of the upper surface of the support bracket 10, the tightening amount of the fixed jaw (2) and the moving jaw (3) for clamping the workpiece by the rotation of the rotating screw (7) is checked. Tightening amount check means 30 is configured to be adjusted after.

That is, the tightening amount checking means 30 is divided into the outer circumferential surface of the fixing ring 8 at regular intervals so that the fixing jaw 2 and the moving jaw 3 are rotated by the rotation of the rotating screw 7. Tightening amount display unit 32 to check the tightening amount, and the reference point that is formed in the center of the upper surface of the support bracket 10 can check the rotation increase or decrease of the rotation screw (7) through the tightening amount display unit 32 The reference point display section 34 is provided.

At this time, the tightening amount display unit 32 is composed of a combination of numbers and scales divided into six equal parts with respect to the outer circumferential surface of the fixing ring (8), and between these six equalized scales is 5 mm (mm) or 1 mm It is configured to be divided and subdivided.

And, the fixing ring (8) and the rotating screw (7) penetrates through the circumferential one side screw hole (8a) of the fixing ring (8) and the adjustment bolt is pressed on one side of the outer peripheral surface of the rear end portion (7a) of the rotating screw ( 40 is coupled to each other by a pair of male and female threads 50 formed to correspond to each other on the inner circumferential surface of the fixing ring 8 and the outer circumferential surface of the rear end portion 7a of the rotating screw 7.

That is, the adjustment bolt 40 has a knurling (42) (knurling) is formed around the head that can be easily loosened or tightened by the operator, the groove 44 into which a tool such as a screwdriver is inserted in the center of the upper surface of the head. Is formed.

Next, the operation and effects on the tightening amount confirmation device of the milling vise of the present invention configured as described above will be described.

In order to check and adjust the tightening amount of the fixed jaw 2 and the moving jaw 3 by using the tightening amount checking device of the milling vise of the present invention, first, the fixed jaw 2 and the moving jaw 3, which are opened at a predetermined distance, are opened. Positioning the workpiece between and while rotating the vice handle (not shown) shown in Figure 3 in the tightening direction, by rotating the rotating screw (7) to advance the moving jaw (3) screwed to the outer periphery The moving jaw 2 and the moving jaw 3 will clamp the workpiece located between them.

At this time, the operator tightens the clamping pressure of the workpiece clamped between the fixed jaw (2) and the moving jaw (3) as appropriate, and at the same time the fixed point coincides with the reference point display portion 34 displayed at the center of the upper surface of the support bracket (10) After checking the tightening amount by checking the number and graduation position of the ring 8 side tightening amount display part 32, milling is performed on the plane of the clamped workpiece by a bite or a milling cutter.

Since the confirmation of the tightening amount is utilized as data that can apply the tightening pressure of the fixed jaw (2) and the moving jaw (3) equally during the next workpiece processing, it eliminates the error caused by the change of the tightening pressure, thereby increasing the mass of the workpiece. In addition to providing convenience for the work to maintain uniform processing accuracy, it is possible to prevent the risk of safety accident caused by the workpiece being separated from the fixed jaw (2) and the moving jaw (3) when the tightening pressure is loose. It can be.

On the other hand, the present invention is not limited only to the above-described embodiment, but can be modified and modified within the scope not departing from the gist of the present invention, the technical idea to which such modifications and variations are also applied to the claims Must see

* Description of the sign *

2: fixed jaw 3: moving jaw

7: rotating screw 8: retaining ring

8a: screw hole 9: guide rail

9a: rear end 10: support bracket

30: tightening amount checking means 32: tightening amount display unit

34: reference point display part 40: adjustment bolt

50: male and female pair of threads

Claims

The fixing jaw (2) fixed to the upper side of the guide rail (9) and the upper support bracket (10) of the guide rail (9) to face the fixing jaw (2) via a rotating screw (7) Moving jaw (3) is installed, and a fixed ring (8) coupled to the outer periphery of the rear end portion (7a) of the rotating screw (7) so that the rotating screw (7) is rotated back and forth without moving in the axial direction from the support bracket (10) ), And milling with a tightening amount checking means 30 so as to be adjusted after checking whether the tightening amount of the fixed jaw 2 and the moving jaw 3 to clamp the workpiece by the rotation of the rotary screw 7 can be adjusted. In vise,

The tightening amount checking means 30,

It is formed of a combination of six equal numbers and scales at regular intervals on the outer circumferential surface of the fixing ring (8) to check the tightening amount of the fixed jaw (2) and the moving jaw (3) by the rotation of the rotating screw (7). Tightening amount display unit 32,

It is formed in the center of the upper surface of the support bracket 10 is composed of a reference point display portion 34 that provides a reference point to confirm whether the rotation of the rotary screw 7 is increased or decreased through the tightening amount display unit 32,

The fixing ring (8) and the rotating screw (7) through the circumferential one side screw hole (8a) of the fixing ring (8) is pressed to one side of the outer peripheral surface of the rear end portion (7a) of the rotating screw (7) Combined by

The adjustment bolt 40 is formed around the head of the milling vise, characterized in that the groove is formed in the center of the upper surface of the head is formed while the naring ring 42 which can be loosened or tightened by hand by the operator is formed. Tightening amount checking device.
The method according to claim 1,

The fixing ring 8 and the rotating screw 7 are coupled to the inner circumferential surface of the fixing ring 8 and the outer circumferential surface of the rear end portion 7a side of the rotating screw 7 by a pair of male and female threads 50. Tightening amount checking device of the milling vise characterized in that.