CN218015820U - Lathe cutting force measuring device and lathe device - Google Patents

Abstract

The utility model discloses a lathe cutting force measuring device and lathe device, it includes connecting plate, force sensor and lathe tool. The connecting plate comprises a plane plate and a lower convex part, and the lower convex part is fixed on one surface of the plane plate. The force sensor is fixedly arranged on the other surface of the plane plate. The turning tool is fixedly connected to the force sensor. In the lathe cutting force measuring device, the lower convex part of the connecting plate can be stably arranged on a test station of a lathe, and all parts are tightly matched and fixed, so that the whole structure is simple and stable, and the accuracy of a measuring result of the cutting force can be ensured in the process of measuring the cutting force.

Description

Lathe cutting force measuring device and lathe device

Technical Field

The utility model relates to a cutting testing arrangement technical field, concretely relates to lathe cutting force measuring device to and including this measuring device's lathe device.

Background

A lathe is a machine tool for turning a rotating workpiece mainly with a lathe tool. The lathe can also be used for corresponding processing by using a drill bit, a reamer, a screw tap, a die, a knurling tool and the like.

The cutting force is equal and opposite cutting forces acting on the workpiece and the tool during the cutting process, and may also be expressed as resistance generated when the workpiece material resists the tool during cutting. The cutting force is an important basis for verifying and selecting the power of the machine tool and verifying and designing the strength and rigidity of a main movement mechanism, a cutter and a clamp of the machine tool. The existing cutting force measuring device has the problems of complex structure, unstable structure and the like.

SUMMERY OF THE UTILITY MODEL

The utility model provides a simple structure, stability, and can be stable install carry out cutting force measuring device on the lathe as the purpose, provide following technical scheme.

A lathe cutting force measuring device comprises a connecting plate, a force sensor and a turning tool. The connecting plate comprises a plane plate and a lower convex part, and the lower convex part is fixed on one surface of the plane plate. The force sensor is fixedly arranged on the other surface of the plane plate. The turning tool is fixedly connected to the force sensor.

As an improvement of the lathe cutting force measuring device, the lathe cutting force measuring device further comprises a tool holder and a locking bolt, the tool holder is fixed on the force sensor, the tool holder has an open cavity, and the turning tool is mounted in the open cavity; the locking bolt penetrates through the tool rest in a threaded connection mode and penetrates into the open cavity to abut against the turning tool, so that the turning tool is firmly abutted against the force sensor.

As an improvement of the lathe cutting force measuring device, the lathe tool comprises a square bar-shaped bar body and a triangular prism-shaped head part, the head part is connected with one end of the bar body, and a sharp edge of the head part faces outwards; the force sensor is flat, and the rod body is attached and fixed on the force sensor.

As an improvement of the lathe cutting force measuring device, the force sensor and the plane plate are tightly attached and fixed with each other through screws.

As an improvement of the lathe cutting force measuring device, the lathe cutting force measuring device further comprises a turret; the turret is in a regular dodecagonal prism shape, and twelve stations capable of accommodating the lower convex parts are arranged on one end face of the turret.

As an improvement of the lathe cutting force measuring device, twelve protruding blocks which are identical in shape and approximately triangular are annularly distributed on the outer end face of the turret at equal intervals, one station is formed between every two adjacent protruding blocks, and the shape of each station is identical.

As an improvement of the lathe cutting force measuring device, the turret comprises a prismatic main body and twelve convex blocks, and each convex block is integrally formed with the main body.

As a modification of the lathe cutting force measuring device, the flat plate and the lower convex portion are integrally formed; and the lower convex part is inserted into one station in a matching way and fixed.

As an improvement of the lathe cutting force measuring device, each station is in a square groove shape, and the lower convex part is square; the lower convex part is inserted into the square groove in a matching mode, and the plane plate is attached to the convex block.

The utility model discloses still provide a lathe device, its lathe cutting force measuring device who includes above-mentioned arbitrary one.

The utility model discloses a lathe cutting force measuring device, the measurement of installing on the lathe cutting force that can be stable has compensatied current cutting force measuring device's not enough to this device simple structure, each part closely laminates fixedly, and overall structure is stable, makes the result of measuring the cutting force accurate, and application prospect is wide.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings in the description of the embodiments will be described in detail below, so that the features, objects and advantages of the present invention will become more apparent.

Fig. 1 is a first perspective external view structural view of a lathe cutting force measuring device.

Fig. 2 is a partial exploded view from a second perspective of the lathe cutting force measuring device of fig. 1.

Fig. 3 is a partial exploded view from a third perspective of the lathe cutting force measuring device of fig. 1.

Fig. 4 is a structural view of a connecting plate in the lathe cutting force measuring apparatus of fig. 1.

Fig. 5 is a structural view of a tool holder in the cutting force measuring apparatus of the lathe of fig. 1.

In the figure: the tool comprises a connecting plate 1, a plane plate 101, a lower convex part 102, a force sensor 2, a turning tool 3, a rod body 301, a head 302, a sharp edge 3020, a tool rest 4, an open cavity 401, a locking bolt 5, a tool turret 6, a station 601, a convex block 602, a main body 603 and a workpiece 10.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention is further explained with specific embodiments below.

Referring to fig. 1 to 3, a cutting force measuring device for a lathe includes a connecting plate 1, a force sensor 2, and a turning tool 3. As shown in fig. 4, the connecting plate 1 includes a flat plate 101 and a lower protrusion 102, the lower protrusion 102 is fixed to one surface (bottom surface) of the flat plate 101, and the flat plate 101 and the lower protrusion 102 may be integrally formed. The force sensor 2 is fixedly mounted on the other surface of the flat plate 101. And the turning tool 3 is fixedly connected to the force sensor 2. A force sensor of the type Kistler 9129A may be used as the force sensor 2 of the present device.

In the lathe cutting force measuring device, the lower convex part 102 of the connecting plate 1 can be stably arranged on a testing station of a lathe, and all parts are tightly matched and fixed, so that the whole structure is simple and stable, and the accuracy of a measuring result of the cutting force can be ensured in the process of measuring the cutting force.

Further, for the turning tool 3 fixedly connected to the force sensor 2, an optional manner is as follows: the lathe cutting force measuring device also comprises a tool rest 4 and locking bolts 5 (such as three bolts); further optionally, the tool holder 4 is of a strip structure, and the section of the tool holder 4 is L-shaped; the L-shaped tool holder 4 rotates clockwise by 90 ° to form an inverted L shape, and the lower end edge thereof is fixed to the force sensor 2, for example, by three screws; referring to fig. 5,L, the tool holder 4 forms an open cavity 401, and the turning tool 3 is installed in the open cavity 401; the locking bolt 5 is inserted through the tool holder 4 and into the open cavity 401 in a threaded manner to abut against the turning tool 3, so that the turning tool 3 firmly abuts against the force sensor 2 and is relatively fixed.

As an alternative, the turning tool 3 comprises a square bar-shaped shaft 301 and a triangular prism-shaped head 302, one end face of the head 302 is connected to one end of the shaft 301, and a sharp edge 3020 of the head 302 faces upwards, which is perpendicular to the shaft 301, and is used for contacting the workpiece 10 and cutting the rotating workpiece 10. The workpiece 10 may be cylindrical and rotated rapidly in the circumferential direction, and the sharp edge 3020 of the turning tool 3 abuts on the workpiece 10 to cut. Cutting force generated by the turning tool 3 cutting the workpiece 10 is loaded on the force sensor 2, so that measurement of the cutting force is realized.

Preferably, the force sensor 2 is a flat plate, so that the square bar-shaped shaft 301 can be closely attached and fixed to the force sensor 2. Below, the force sensor 2 and the upper surface of the connecting plate 1 (i.e. the upper surface of the plane plate 101) are tightly attached to each other, and the structure of the device is stabilized by fixing screws (e.g. eight screws, four screws on both sides) penetrating through the force sensor 2 and the plane plate 101 to each other.

As the utility model discloses a lathe cutting force measuring device's further extension sets for lathe cutting force measuring device still includes sword tower 6. The turret 6 is a regular dodecagonal prism, and twelve stations 601, each of which can accommodate the lower protrusions 102 of the connecting plates 1, are provided on one end surface thereof.

The settings of the station 601 may be: twelve protruding blocks 602 which are same in shape and are approximately triangular are annularly distributed on the outer end face of the cutter tower 6 at equal intervals, the tips (or approximate tips) of the triangles point to the center of the end face, so that one station 601 is formed between every two adjacent protruding blocks 602, and the shape of each station 601 is the same.

The structure of the knife tower 6 can be as follows: comprises a prism-shaped main body 603 and twelve convex blocks 602, wherein each convex block 602 is integrally formed with the main body 603. The lower convex portion 102 is inserted into one of the stations 601 and fixed.

As a preferred embodiment, each station 601 is provided with the same square groove shape, the lower protrusion 102 of the connecting plate 1 is square, the lower protrusion 102 can be inserted into the station 601 in a matching manner, and the flat plate 101 can be attached to the upper surface of the protruding block 602, so that the connecting structure is more stable.

The lower convex portion 102 may be fixed in the station 601 by providing penetrating screw holes (e.g., four) in the plane plate 101 and the lower convex portion 102 of the connection plate 1, providing butt-joint screw holes (e.g., four) in the bottom of the station 601, and passing screws through the plane plate 101 and the lower convex portion 102 and inserting the screws into the bottom of the station 601, so that the connection plate 1 and the turret 6 are fixed to each other.

The utility model discloses still provide a lathe device, its lathe cutting force measuring device who includes above-mentioned arbitrary one, connecting plate 1 can install and carry out the measurement of cutting force on arbitrary station 601, adjusts lathe structure etc. according to a plurality of results of measurement to accord with the production requirement.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity reasons only, and those skilled in the art should take the description as a whole, and the technical solutions in the embodiments may be combined appropriately to form other embodiments understood by those skilled in the art, and all fall within the scope of the present invention.

Claims (10)

1. A lathe cutting force measuring device is characterized in that: the device comprises a connecting plate, a force sensor and a turning tool; the connecting plate comprises a plane plate and a lower convex part, and the lower convex part is fixed on one surface of the plane plate; the force sensor is fixedly arranged on the other surface of the plane plate; the turning tool is fixedly connected to the force sensor.

2. The lathe cutting force measuring device according to claim 1, wherein: the lathe cutting force measuring device further comprises a tool rest and a locking bolt, the tool rest is fixed on the force sensor, the tool rest is provided with an open cavity, and the turning tool is installed in the open cavity; the locking bolt penetrates through the tool rest in a threaded connection mode and penetrates into the open cavity to abut against the turning tool, so that the turning tool is firmly abutted against the force sensor.

3. The lathe cutting force measuring device according to claim 1, wherein: the turning tool comprises a square bar-shaped bar body and a triangular prism-shaped head, the head is connected to one end of the bar body, and a sharp edge of the head faces outwards; the force sensor is flat, and the rod body is attached and fixed on the force sensor.

4. The lathe cutting force measuring device according to claim 3, wherein: the force sensor is tightly attached to the plane plate and fixed to the plane plate through screws.

5. The lathe cutting force measuring device according to claim 1, wherein: the lathe cutting force measuring device also comprises a tool turret; the turret is in a regular dodecagonal prism shape, and twelve stations capable of accommodating the lower convex parts are arranged on one end face of the turret.

6. The lathe cutting force measuring device according to claim 5, wherein: twelve protruding blocks which are identical in shape and approximately triangular are annularly distributed on the outer end face of the knife tower at equal intervals, one station is formed between every two adjacent protruding blocks, and the shape of each station is identical.

7. The lathe cutting force measuring device according to claim 6, wherein: the tool turret comprises a prismatic main body and twelve protruding blocks, and each protruding block is integrally formed with the main body.

8. The lathe cutting force measuring device according to claim 5, wherein: the plane plate and the lower convex part are integrally formed; the lower convex part is inserted into one station in a matching mode and fixed.

9. The lathe cutting force measuring device according to claim 6, wherein: each station is in a square groove shape, and the lower convex part is square; the lower convex part is inserted into the square groove in a matching manner, and the plane plate is also attached to the convex block.

10. A lathe device comprising the lathe cutting force measuring device according to any one of claims 1 to 9.

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