CN213004150U - Lever dial indicator frame - Google Patents

Abstract

The utility model discloses a lever percentage table frame aims at providing one kind and can improve lever percentage table frame of lever percentage table operating efficiency. The drill chuck comprises a mandrel for clamping a drill chuck of a machine tool during use, a cross rod with a long strip-shaped guide groove along the length direction of the mandrel, and a rotating head connected with the front end of the cross rod; one end of the mandrel is provided with a guide part inserted into the strip-shaped guide groove, and the center of the mandrel is provided with an internal thread hole; a first handle screw is screwed on the internal thread hole and penetrates through the elongated guide groove of the cross rod; a groove is formed in one end of the cross rod, a connecting part embedded into the groove is arranged at one end of the rotating head, and the connecting part is connected with the groove of the cross rod through a second handle screw rod; the other end department of rotating head has the jack that supplies the lever percentage table stalk portion to peg graft, just set up the screw hole that is mutually perpendicular and be linked together with the jack on the rotating head, locking screw has been screwed on to the screw hole.

Description

Lever dial indicator frame

Technical Field

The utility model relates to a frame processing measures utensil technical field, specifically is to relate to a lever percentage table frame.

Background

In preparation work before machining a workpiece by machine tools such as a horizontal milling machine, a numerical control vertical milling machine, a vertical machining center, a numerical control horizontal lathe and the like, a lever dial indicator is often used for aligning a rotary center of a boss or an inner hole on the workpiece, namely, center alignment work. The lever dial indicator has the characteristics of small volume, small occupied space, accurate position and the like, so the lever dial indicator is very wide in practical application. However, in actual work, the mounting and alignment work of the lever dial indicator has high requirements on the clamping position, angle, length and mode of the dial indicator, so that a certain amount of operation experience personnel is required to complete the work, and a general operator is difficult to master the skill, so that the requirement on the skill of the operator is relatively high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defects existing in the prior art and providing a lever dial indicator frame. The lever dial indicator can effectively reduce the operation difficulty of the lever dial indicator, and achieves the effects of simple operation, convenient use, high speed and high efficiency installation. The dependence on high-skill personnel is reduced, and the production efficiency is improved.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

a lever dial indicator stand comprises a mandrel for clamping a drill chuck of a machine tool during use, a cross rod with a long strip-shaped guide groove along the length direction of the cross rod, and a rotating head connected with the front end of the cross rod; one end of the mandrel is provided with a guide part inserted into the strip-shaped guide groove, and the center of the mandrel is provided with an internal thread hole; a first handle screw is screwed on the internal thread hole, the first handle screw penetrates through the elongated guide groove of the cross rod, and the relative position of the mandrel and the cross rod is adjusted and locked by screwing the first handle screw; a groove is formed in one end of the cross rod, a connecting part embedded into the groove is arranged at one end of the rotating head, and the connecting part is connected with the groove of the cross rod through a second handle screw rod; the other end department of rotating head has the jack that supplies the lever percentage table stalk portion to peg graft, just set up the screw hole that is mutually perpendicular and be linked together with the jack on the rotating head, locking screw has been screwed on to the screw hole.

Furthermore, one end of the mandrel, which is connected with the drill chuck of the machine tool, is provided with a chamfer.

Further, the jack opening of the rotary head is provided with a chamfer.

Furthermore, the locking screw is an inner hexagon screw with anti-skid lines at the end.

Further, the first handle screw rod is a butterfly bolt.

Furthermore, the second handle screw rod adopts a butterfly bolt.

Compared with the prior art, the utility model has the advantages of as follows:

(1) the utility model discloses newly use high efficiency, general operation workman only need about 10 seconds just can realize the installation or the dismantlement work of lever percentage table. The utility model discloses make convenient, low cost, light and handy portable, ordinary lathe can process the completion.

(2) The utility model discloses still solved the difficult problem of alignment in the part processing, used the utility model discloses can realize the alignment scope of less (less than or equal to 2 mm) centre of gyration and great centre of gyration (less than or equal to 350 mm).

(3) The utility model discloses with the automatic coincidence of the coordinate axis that corresponds of machine tool during the use, need not use magnetic force centre gripping gauge stand like originally most of the time, need the manual work to carry out the regulation work of a plurality of angles. Therefore, the alignment time is saved, and the system alignment error caused by the misalignment of the coordinate axes is eliminated.

(4) The utility model discloses a 360 rotations of lever percentage table Z axle direction can be realized to the rotating head, with 270 electrodeless rotations of Y axle direction, are applicable to multiple measurement alignment places.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is the structure schematic diagram of the utility model after being assembled with the lever dial indicator.

Fig. 2 is a top view of fig. 1.

Figure 3 is a cross-sectional view of the mandrel.

Fig. 4 is a right side view of fig. 3.

Fig. 5 is a structural schematic view of the first handle screw.

Fig. 6 is a left side view of fig. 5.

Fig. 7 is a cross-sectional view of the handle.

Fig. 8 is a schematic structural view of the spin head.

Fig. 9 is a left side view of fig. 8.

Detailed Description

For more clearly illustrating the objects, technical solutions and advantages of the present invention, the technical solutions 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. It is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of them. All other embodiments obtained by a person skilled in the art without any inventive work based on the embodiments described below belong to the scope of protection of the present invention.

In the description of the present invention, technical or scientific terms used should have the ordinary meaning as understood by those having ordinary skill in the art to which the present invention belongs. It should be noted that unless otherwise expressly stated or limited, the terms "mounted," "connected," "disposed," and the like are intended to be broadly construed and include, for example, fixedly connected, disposed, detachably connected, disposed, and integrally connected and disposed. The terms "connected" and similar terms are not limited to physical or mechanical connections, but may also include electrical connections, and those skilled in the art will understand the specific meanings of the above terms in the present invention according to specific situations. The terms "comprises" or "comprising," and the like, mean that the element or item preceding the term includes the element or item listed after the term and its equivalent, but not excluding other elements or items. The terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing and simplifying the present invention, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Meanwhile, in order to keep the following description of the embodiments of the present invention clear and concise, a detailed description of known functions and known parts is omitted.

As shown in the attached drawings, the lever dial indicator stand of the utility model comprises a mandrel 1 for clamping a drill chuck of a machine tool when in use, a cross rod 2 with a strip-shaped guide groove 21 along the length direction, and a rotating head 3 connected with the front end of the cross rod 2; one end of the mandrel 1 is provided with a guide part 11 inserted into the strip-shaped guide groove 21, and the center of the mandrel 1 is provided with an internal threaded hole 12; a first handle screw 5 is screwed on the internal thread hole 12, the first handle screw 5 penetrates through the elongated guide groove 21 of the cross rod 2, and the relative position of the mandrel 1 and the cross rod 2 is adjusted and locked by screwing the first handle screw 5; a groove 22 is formed at one end of the cross bar 2, a connecting part 31 embedded in the groove 22 is formed at one end of the rotating head 3, and the connecting part 31 is connected with the groove 22 of the cross bar 2 through a second handle screw rod 4; the other end of the rotating head 3 is provided with an insertion hole 32 for inserting the handle of the lever dial indicator, a threaded hole 33 which is perpendicular to the insertion hole 32 and communicated with the insertion hole 32 is arranged on the rotating head 3, and a locking screw 6 is screwed on the threaded hole 33.

As a further preferred technical scheme, one end of the mandrel 1, which is connected with the machine tool drill chuck, is provided with a chamfer, so that the mandrel and the machine tool drill chuck can be conveniently and quickly positioned and inserted.

As a further preferable technical solution, the mouth of the insertion hole 32 of the rotary head 3 has a chamfer. The rapid positioning and inserting of the handle rod of the lever dial indicator are facilitated.

In this embodiment, the locking screw 6 preferably adopts a socket head cap screw with anti-slip threads at the end, which is convenient for the quick assembly and disassembly of the lever dial indicator. For further convenient adjustment, the first handle screw 5 and the second handle screw 4 are both butterfly bolts, and obviously, other common handle screws may be used.

The utility model discloses an using-way as follows, will the utility model discloses an after each component assembly is accomplished, the drill chuck clamping mandrel 1's of using the machine tool excircle part, through the elasticity of first handle screw rod, the radius of rotation at adjustable horizontal pole 2's measuring end distance dabber 1 center, the radius of the solid of revolution of treating the alignment promptly. Through the elasticity of second handle screw rod, the angle of connection of adjustable lever percentage table and horizontal pole 2 can finely tune turning radius's distance. And then, the position error of the rotation center of the machine tool relative to the rotation center of the part at present can be known by manually rotating the main shaft of the machine tool and observing the indication reading of the pointer of the lever dial indicator. The alignment work of the coincidence of the part rotation center and the processing coordinate origin can be finished through the corresponding movement of the machine tool workbench.

And are not intended to limit the scope of the present invention. It should be understood by those skilled in the art that any modification, equivalent replacement, or improvement made to the technical solutions or parts of technical features described in the above embodiments can be included in the scope of the present invention within the spirit and principle of the present invention.

Claims (9)

1. A lever dial indicator frame is characterized in that: comprises a mandrel (1) for clamping a drill chuck of a machine tool during use, a cross rod (2) with a long strip-shaped guide groove (21) along the length direction of the mandrel, and a rotating head (3) connected with the front end of the cross rod (2); a guide part (11) inserted into the strip-shaped guide groove (21) is arranged at one end of the mandrel (1), and an internal threaded hole (12) is arranged at the center of the mandrel (1); a first handle screw (5) is screwed on the internal thread hole (12), the first handle screw (5) penetrates through the long strip-shaped guide groove (21) of the cross rod (2), and the relative position of the mandrel (1) and the cross rod (2) is adjusted and locked by screwing the first handle screw (5); a groove (22) is formed in one end of the cross rod (2), a connecting part (31) embedded into the groove (22) is arranged at one end of the rotating head (3), and the connecting part (31) is connected with the groove (22) of the cross rod (2) through a second handle screw (4); the other end department of rotating head (3) has jack (32) that supply the lever percentage table stalk portion to peg graft, just set up on rotating head (3) and jack (32) mutually perpendicular and screw hole (33) that are linked together with jack (32), screw has locking screw (6) on screw hole (33).

2. The lever dial percentage gauge stand of claim 1, wherein: and one end of the mandrel (1) connected with the drill chuck of the machine tool is provided with a chamfer.

3. The lever dial indicator stand according to claim 1 or 2, wherein: the mouth of the insertion hole (32) of the rotary head (3) is chamfered.

4. The lever dial indicator stand according to claim 1 or 2, wherein: the locking screw (6) is an inner hexagon screw with anti-skid lines at the end.

5. The lever percentage table frame of claim 3, wherein: the locking screw (6) is an inner hexagon screw with anti-skid lines at the end.

6. The lever dial indicator stand according to claim 1 or 2, wherein: the first handle screw (5) adopts a butterfly bolt.

7. The lever percentage table frame of claim 3, wherein: the first handle screw (5) adopts a butterfly bolt.

8. The lever dial indicator stand according to claim 1 or 2, wherein: the second handle screw (4) is a butterfly bolt.

9. The lever percentage table frame of claim 3, wherein: the second handle screw (4) is a butterfly bolt.

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