CN221210913U - A locking device for dividing head of machine tool - Google Patents

Abstract

The utility model relates to the technical field of dividing heads, and specifically to a locking device for a dividing head of a machine tool, comprising an equipment body, a dividing plate fixedly connected to the front side of the equipment body, a connecting rod rotatably connected to the front side of the dividing plate, a positioning slide groove is provided on the upper half of the connecting rod, a threaded rod is rotatably connected to the inside of the positioning slide groove, a positioning slider is slidably connected to the inside of the positioning slide groove, the positioning slider is threadedly connected to the threaded rod, a cone head is fixedly connected to the rear end of the positioning slider, and an adjustment block is fixedly connected to the upper end of the threaded rod; by rotating the adjustment block, the adjustment block drives the threaded rod to rotate, and then drives the threaded rod to slide in the inside of the positioning slide groove, and at this time the positioning slider drives the cone head to slide on the surface of the connecting rod, thereby realizing rapid adjustment of the position of the cone head and improving the adjustment speed.

Description

A locking device for dividing head of machine tool

Technical Field

The utility model relates to the technical field of dividing heads, in particular to a locking device for a dividing head of a machine tool.

Background technique

The dividing head is a machine tool accessory installed on a milling machine to divide the workpiece into any equal parts. It uses a dividing ring and a vernier, a locating pin and a dividing plate, and an exchange gear to divide the workpiece mounted between the centers or on the chuck into any angles. It can also divide the circumference into any equal parts, and assist the machine tool to use tools of various shapes to perform various processing operations such as grooves, spur gears, spiral spur gears, Archimedean spiral cams, etc.

In the prior art, the push rod on the dividing plate is adjusted by a locking bolt, so when the push rod needs to be adjusted, the locking bolt needs to be loosened, and the locking bolt needs to be tightened after the adjustment is completed. In addition, when adjusting the push rod, it is necessary to manually align the push rod with the circular hole on the dividing plate, which makes the adjustment of the push rod more troublesome and the adjustment speed is slow.

Therefore, it is necessary to invent a machine tool dividing head locking device to solve the above problems.

Utility Model Content

The utility model aims to provide a locking device for a dividing head of a machine tool, so as to solve the problem that when a push rod needs to be adjusted, a locking bolt needs to be loosened, and the locking bolt needs to be tightened after the adjustment is completed, and when the push rod is adjusted, the push rod needs to be manually aligned with the circular hole on the dividing plate, which makes the adjustment of the push rod more troublesome and the adjustment speed is slow.

In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a locking device for a machine tool dividing head, comprising an equipment body, a dividing plate fixedly connected to the front side of the equipment body, a connecting rod rotatably connected to the front side of the dividing plate, a positioning groove is provided on the upper half of the connecting rod, a threaded rod is rotatably connected to the inside of the positioning groove, a positioning slider is slidably connected to the inside of the positioning groove, the positioning slider is threadedly connected to the threaded rod, a cone head is fixedly connected to the rear end of the positioning slider, and an adjustment block is fixedly connected to the upper end of the threaded rod.

By adopting the above technical solution, the threaded rod is rotated by the adjusting block during use, and the threaded rod drives the positioning slider to slide left and right inside the positioning slide groove to adjust the position of the cone head, which is convenient for quickly adjusting the position of the dividing head and improving the adjustment efficiency.

Optionally, limit slots are provided on both the left and right inner walls of the positioning slot.

Optionally, both left and right sides of the positioning slider are fixedly connected to limit sliders, and the limit slider is slidably connected to the limit sliding groove.

By adopting the above technical solution, the limiting slider slides left and right inside the limiting slide groove, limiting the position of the positioning slider and improving the stability of the positioning slider during sliding.

Optionally, a second push rod is fixedly connected to the front end of the positioning slide block, and a ruler is fixedly connected to the left and right sides of the second push rod.

Optionally, a scale is fixedly connected to the front surface of the upper part of the connecting rod, and the scale is in close contact with the surface of the scale.

By adopting the above technical solution, the positioning slider slides and drives the second push rod to slide at the same time, and the second push rod drives the ruler to slide on the surface of the scale to control the size distance of the cone head.

Optionally, a connecting block is fixedly connected to the middle of the connecting rod, a connecting hole is provided inside the connecting block, and a first push rod is fixedly connected to the lower end of the connecting rod.

By adopting the above technical solution, the first push rod is used to push the connecting rod to rotate around the protrusion.

Optionally, a protrusion is fixedly connected to the middle position of the dividing plate, a fixing bolt is threadedly connected to the surface of the protrusion, and the fixing bolt is rotatably connected to the connecting hole.

By adopting the above technical solution, the connecting block is pressed against the surface of the protrusion, the fixing bolt passes through the connecting hole and is threadedly connected to the protrusion, the connecting rod is fixed to the front side of the dividing plate, and the connecting rod can rotate.

Optionally, a fixed plate is fixedly connected to the front surface of the device body, and the fixed plate is clamped on the outside of the dividing plate.

In the above technical solution, the technical effects and advantages provided by the utility model are:

1. The utility model provides a positioning slot on the upper half of the connecting rod, the interior of the positioning slot is rotatably connected with a threaded rod, the interior of the positioning slot is slidably connected with a positioning slider, the positioning slider is threadedly connected to the threaded rod, the threaded rod is rotated to drive the positioning slider to slide inside the positioning slot, the position of the cone head is adjusted, and the position of the cone head is adjusted, the speed of adjusting the cone head is improved, and the use efficiency is improved, and the problem that when the push rod needs to be adjusted, the locking bolt needs to be loosened, and the locking bolt is tightened after the adjustment is completed, and when the push rod is adjusted, the push rod needs to be manually aligned with the circular hole on the indexing plate, so that the adjustment of the push rod is more troublesome and the adjustment speed is slow;

2. The utility model has rulers fixedly connected to both sides of the left and right sides of the second push rod, and the front surface of the upper part of the connecting rod is fixedly connected to the scale. The ruler is in close contact with the surface of the scale, and the adjustment distance and size can be intuitively controlled during the adjustment process.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the overall structure of the utility model;

Figure 2 is a schematic diagram of the structure of the indexing plate of the utility model;

FIG3 is a schematic diagram of the connecting rod structure of the present invention;

FIG4 is a schematic cross-sectional view of the structure of FIG3 ;

FIG. 5 is an enlarged schematic diagram of the structure at point A in FIG. 4 .

Description of reference numerals:

1. Equipment body; 11. Fixed plate; 12. Dividing plate; 13. Bump; 14. Fixed bolt; 2. Connecting rod; 21. First push rod; 22. Connecting block; 23. Connecting hole; 24. Scale; 3. Positioning slide; 31. Threaded rod; 32. Adjusting block; 33. Limiting slide; 34. Positioning slider; 35. Limiting slider; 36. Cone head; 37. Second push rod; 38. Ruler.

Detailed ways

In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

Example

The utility model provides a locking device for a dividing head of a machine tool as shown in Figures 1 to 5, comprising an equipment body 1, a dividing plate 12 is fixedly connected to the front side of the equipment body 1, a connecting rod 2 is rotatably connected to the front side of the dividing plate 12, a positioning slide groove 3 is provided on the upper half of the connecting rod 2, a threaded rod 31 is rotatably connected to the inside of the positioning slide groove 3, a positioning slider 34 is slidably connected to the inside of the positioning slide groove 3, the positioning slider 34 is threadedly connected to the threaded rod 31, a cone head 36 is fixedly connected to the rear end of the positioning slider 34, and an adjusting block 32 is fixedly connected to the upper end of the threaded rod 31.

During use, the adjusting block 32 is rotated according to the size to be adjusted, and the adjusting block 32 drives the threaded rod 31 to rotate, thereby driving the threaded rod 31 to slide inside the positioning slide groove 3. At this time, the positioning slider 34 drives the cone head 36 to slide on the surface of the connecting rod 2 to adjust the position of the cone head 36.

Referring to Figures 3 to 5, the inner walls on both sides of the positioning slide groove 3 are provided with limit slide grooves 33, the left and right sides of the positioning slider 34 are fixedly connected with limit sliders 35, the limit slider 35 is slidably connected to the limit slide groove 33, the front end of the positioning slider 34 is fixedly connected with a second push rod 37, the left and right sides of the second push rod 37 are fixedly connected with a ruler 38, the front side surface of the upper part of the connecting rod 2 is fixedly connected with a scale 24, and the scale 38 is tightly against the surface of the scale 24.

Specifically, during the adjustment of the cone head 36, the positioning slider 34 will drive the second push rod 37 to slide, and adjust the position of the second push rod 37. At this time, the second push rod 37 drives the scale 38 to slide on the surface of the scale 24 to accurately control the adjustment distance of the cone head 36.

Referring to Figures 1 and 2, a connecting block 22 is fixedly connected to the middle part of the connecting rod 2, a connecting hole 23 is opened inside the connecting block 22, a first push rod 21 is fixedly connected to the lower end of the connecting rod 2, a protrusion 13 is fixedly connected to the middle position of the dividing plate 12, a fixing bolt 14 is threadedly connected to the surface of the protrusion 13, and the fixing bolt 14 is rotatably connected to the connecting hole 23, a fixing plate 11 is fixedly connected to the front surface of the equipment body 1, and the fixing plate 11 is stuck on the outer side of the dividing plate 12.

At the same time, during the installation process, the connecting block 22 is pressed against the front surface of the protrusion 13. At this time, the fixing bolt 14 is passed through the connecting hole 23 and screwed into the protrusion 13 to fix the connecting rod 2. During use, the first push rod 21 is rotated to make the middle part of the connecting rod 2 rotate around the protrusion 13, thereby making the cone head 36 rotate around the protrusion 13.

Working principle of the utility model: in order to facilitate the adjustment of the position of the cone head 36 and improve the adjustment speed, by rotating the adjustment block 32, the adjustment block 32 drives the threaded rod 31 to rotate, and then drives the threaded rod 31 to slide inside the positioning slide groove 3. At this time, the positioning slider 34 drives the cone head 36 to slide on the surface of the connecting rod 2, thereby realizing rapid adjustment of the position of the cone head 36.

The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only preferred examples of the utility model, and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims (8)

1. A locking device for a dividing head of a machine tool, comprising a device body (1), characterized in that: a dividing plate (12) is fixedly connected to the front side of the device body (1), a connecting rod (2) is rotatably connected to the front side of the dividing plate (12), a positioning groove (3) is provided on the upper half of the connecting rod (2), a threaded rod (31) is rotatably connected to the inside of the positioning groove (3), a positioning slider (34) is slidably connected to the inside of the positioning groove (3), the positioning slider (34) is threadedly connected to the threaded rod (31), a cone head (36) is fixedly connected to the rear end of the positioning slider (34), and an adjusting block (32) is fixedly connected to the upper end of the threaded rod (31). 2. A locking device for a machine tool dividing head according to claim 1, characterized in that: both inner walls on the left and right sides of the positioning slide groove (3) are provided with limiting slide grooves (33). 3. A locking device for a machine tool dividing head according to claim 2, characterized in that: both left and right sides of the positioning slide block (34) are fixedly connected to limit slide blocks (35), and the limit slide block (35) is slidably connected to the limit slide groove (33). 4. A locking device for a machine tool dividing head according to claim 1, characterized in that: a front end of the positioning slide block (34) is fixedly connected to a second push rod (37), and both left and right sides of the second push rod (37) are fixedly connected to a ruler (38). 5. A locking device for a dividing head of a machine tool according to claim 4, characterized in that a scale (24) is fixedly connected to the front surface of the upper part of the connecting rod (2), and the scale (38) is in close contact with the surface of the scale (24). 6. A machine tool dividing head locking device according to claim 1, characterized in that: a connecting block (22) is fixedly connected to the middle of the connecting rod (2), a connecting hole (23) is opened inside the connecting block (22), and a first push rod (21) is fixedly connected to the lower end of the connecting rod (2). 7. A locking device for a machine tool dividing head according to claim 6, characterized in that a protrusion (13) is fixedly connected to the middle position of the dividing plate (12), a fixing bolt (14) is threadedly connected to the surface of the protrusion (13), and the fixing bolt (14) is rotatably connected to the connecting hole (23). 8. A locking device for a dividing head of a machine tool according to claim 1, characterized in that a fixed plate (11) is fixedly connected to the front surface of the equipment body (1), and the fixed plate (11) is clamped on the outer side of the dividing plate (12).