CN217889536U

CN217889536U - Machine tool limiting device and machine tool with same

Info

Publication number: CN217889536U
Application number: CN202222001495.2U
Authority: CN
Inventors: 胡娟; 王国斌; 辛维博; 杜会亮; 杨林
Original assignee: Shendong Coal Branch of China Shenhua Energy Co Ltd; Guoneng Shendong Coal Group Co Ltd
Current assignee: Shendong Coal Branch of China Shenhua Energy Co Ltd; Guoneng Shendong Coal Group Co Ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2022-11-25
Anticipated expiration: 2032-07-29

Abstract

The utility model provides a lathe stop device and have its lathe, wherein, lathe stop device, include: the chuck is provided with a mounting hole in the center; the clamping jaws are arranged on the same side of the chuck at intervals and can move along the radial direction of the chuck; and the adjusting piece is adjustably arranged at the mounting hole along the axial position of the chuck and is in butt fit with the workpiece to be machined. The technical scheme of this application has solved the relatively poor problem of lathe clamping device's among the correlation technique centre gripping effect effectively.

Description

Machine tool limiting device and machine tool with same

Technical Field

The utility model relates to a machine tool machining technical field particularly, relates to a lathe stop device and have its lathe.

Background

When the machine tool is used for processing bars with various sizes, the processing quantity is large, the types of the processed sizes are more, the clamping force of the clamping jaws is insufficient due to continuous operation of the lathe, and the rigidity is poor. Due to the fact that the clamping force of the clamping jaws is not enough, in the turning process, the limited length (not jacking to the bottom of the chuck) clamping causes the bar to move in a main shaft hole in the Z-axis direction, and the surface precision of a workpiece machined by the bar cannot meet the use requirement. The axial effective clamping length of the machined workpiece is free of reference, the clamping length is different, the clamping labor intensity of workers is high, in order to meet the use requirement, the cost needs to be increased, the axial clamping size needs to be increased, and then the axial effective clamping length is turned to remove a large amount of redundant sizes to ensure the product quality.

In the related technology, a cushion block is added or a limiting device matched with an internal thread of a hydraulic cylinder (pneumatic cylinder) at the rear end of a main shaft is adopted to realize a unified processing reference, and if the auxiliary clamping is not realized by other methods, the axial clamping length is required to be increased to ensure the clamping strength of a product.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a lathe stop device and have its lathe to solve the relatively poor problem of lathe clamping device's among the correlation technique centre gripping effect.

In order to achieve the above object, according to an aspect of the present invention, there is provided a machine tool limiting device, including: the chuck is provided with a mounting hole in the center; the clamping jaws are arranged on the same side of the chuck at intervals and can move along the radial direction of the chuck; and the adjusting piece is adjustably arranged at the mounting hole along the axial position of the chuck and is in butt fit with the workpiece to be machined.

Further, the adjustment member includes a bolt adjustably coupled within the mounting hole.

Furthermore, the regulating part still includes spacing dish, is provided with the screw hole on the spacing dish, and spacing dish is installed on the chuck and is set up with the jack catch homonymy, and bolted connection is in the screw hole.

Furthermore, a plurality of avoidance notches are formed in the limiting disc, and the plurality of clamping claws correspondingly stretch into the avoidance notches one by one.

Further, the adjusting piece further comprises a nut, the nut is connected with the bolt, and the nut is arranged in the mounting hole.

Further, the area of the limiting disc is larger than the cross-sectional area of the mounting hole.

Further, the area of the smallest circle defined by the plurality of jaws is larger than the area of the head of the bolt.

Furthermore, a plurality of guide grooves are formed in the chuck in the radial direction of the chuck, a plurality of clamping jaws and a plurality of guide grooves are arranged in a one-to-one correspondence mode, and the clamping jaws are movably arranged in the guide grooves.

Further, one end of each jaw, which faces the center position of the chuck, is provided with a limiting tip.

According to another aspect of the utility model, a lathe is provided, including the lathe stop device, the lathe stop device is foretell lathe stop device.

Use the technical scheme of the utility model, the center department of chuck is provided with the mounting hole. A plurality of jack catchs interval sets up in the same one side of chuck, and a plurality of jack catchs can move along the radial of chuck simultaneously, can realize treating the centre gripping of machined part like this. The adjusting piece is adjustably arranged at the mounting hole along the axial position of the chuck and is in butt fit with the workpiece to be machined. Through the arrangement, when the workpiece to be machined is abutted to the adjusting piece during machining, the clamping is carried out through the plurality of clamping jaws, and therefore the workpiece to be machined can be fixed. When other treating the machined part of centre gripping again simultaneously, can adjust the position of regulating part, can make the regulating part and treat the machined part butt cooperation like this, and then can be with treating the position stability of machined part to can the different sizes of adaptation. Therefore, the technical scheme of the application effectively solves the problem that the clamping effect of the machine tool clamping device in the related art is poor.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic perspective view of an embodiment of a machine tool spacing device according to the present invention, in which a workpiece to be machined is mounted;

FIG. 2 shows a schematic side view of the machine tool spacing device of FIG. 1 with a workpiece mounted thereon;

FIG. 3 shows a schematic top view of the machine tool spacing device of FIG. 1 with a workpiece mounted thereon;

FIG. 4 is an exploded view of the machine tool spacing device of FIG. 1 with a workpiece mounted thereon;

FIG. 5 shows a schematic perspective view of the machine tool spacing device of FIG. 1;

figure 6 shows a schematic top view of the machine tool spacing device of figure 5;

figure 7 shows a schematic cross-sectional view of the machine tool spacing device of figure 6.

Wherein the figures include the following reference numerals:

1. a workpiece to be processed; 10. a chuck; 11. mounting holes; 12. a guide groove; 20. a claw; 21. limiting the tip; 30. an adjustment member; 31. a bolt; 32. a limiting disc; 321. a threaded hole; 322. avoiding the notch; 33. and a nut.

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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be discussed further in subsequent figures.

At present, the adopted limiting methods can achieve the effect of unifying the process reference of the processed products, but have some defects, for example, the cushion block needs to be replaced according to different processing part requirements every time, or the limiting rod is frequently replaced to influence the precision of lathe equipment, and the cost is increased, and the clamping size is increased to obtain the unified processing requirement. In order to solve the above technical problem, as shown in fig. 1 to 7, in the present embodiment, a machine tool limiting device includes: a chuck 10, a plurality of jaws 20, and an adjuster 30. A mounting hole 11 is provided at the center of the chuck 10. The plurality of jaws 20 are spaced apart on the same side of the chuck 10 and are movable in a radial direction of the chuck 10. The adjusting member 30 is adjustably mounted at the mounting hole 11 in an axial position of the chuck 10 and is in abutting engagement with the member to be machined 1.

With the technical solution of the present embodiment, the chuck 10 is provided with a mounting hole 11 at the center. The plurality of jaws 20 are spaced on the same side of the chuck 10, and the plurality of jaws 20 can move along the radial direction of the chuck 10, so that the clamping of the workpiece 1 to be processed can be realized. The adjuster 30 is adjustably mounted at the mounting hole 11 in the axial direction of the chuck 10 and is in abutting engagement with the member to be machined 1. With the above arrangement, when machining is performed, the workpiece 1 to be machined is abutted against the adjuster 30 and then clamped by the plurality of clamping claws 20, so that the workpiece 1 to be machined can be fixed. Meanwhile, when other workpieces 1 to be machined are clamped, the position of the adjusting part 30 can be adjusted, so that the adjusting part 30 is matched with the workpieces 1 to be machined in an abutting mode, the positions of the workpieces 1 to be machined can be stabilized, and the workpieces can be adapted to different sizes. Therefore, the technical scheme of the embodiment effectively solves the problem of poor clamping effect of the machine tool clamping device in the related art.

The technical scheme of the embodiment avoids the play of the workpiece to be machined 1 caused by short clamping size, is simple to use and adjust, convenient to assemble and disassemble and wide in application range, does not need to replace the tool at every time, easily enables the workpiece to be machined 1 to achieve the target of consistent reference, is safe and reliable, and effectively improves the consistency of machining size.

As shown in fig. 1 to 7, in the present embodiment, the adjusting member 30 includes a bolt 31, and the bolt 31 is adjustably coupled in the mounting hole 11. The bolt 31 is simple in structure and convenient to set, meanwhile, the head of the bolt 31 is in butt fit with the workpiece 1 to be machined, and the workpiece 1 to be machined can be clamped better through adjustment of the bolt 31. Specifically, when treating the head butt of machined part 1 and bolt 31, can treat the terminal surface of machined part 1 and carry on spacingly, like this when the centre gripping of jack catch 20, can avoid treating that machined part 1 skew appears, and then can make the position of treating machined part 1 more stable.

As shown in fig. 1 to 7, in this embodiment, the adjusting element 30 further includes a limiting disc 32, a threaded hole 321 is formed in the limiting disc 32, the limiting disc 32 is mounted on the chuck 10 and is disposed on the same side as the jaws 20, and the bolt 31 is connected in the threaded hole 321. The installation that can make bolt 31 of setting up of spacing dish 32 is more convenient, and specifically, spacing dish 32 can paste and set up with chuck 10, can make spacing dish 32's position more stable like this, and simultaneously, be provided with screw hole 321 on the spacing dish 32, screw hole 321 and bolt 31's connection is comparatively stable.

As shown in fig. 1 to 7, in the present embodiment, a plurality of avoidance gaps 322 are provided on the limiting disc 32, and the plurality of jaws 20 correspondingly extend into the avoidance gaps 322 one by one. The arrangement of the avoiding notch 322 can avoid the claw 20, so that the claw 20 can be moved easily, the avoiding notch 322 can guide the claw 20, and the position of the claw 20 is more stable.

As shown in fig. 1 to 7, in the present embodiment, the adjusting member 30 further includes a nut 33, the nut 33 is connected to the bolt 31, and the nut 33 is disposed in the mounting hole 11. The nut 33 is arranged to enable the position of the bolt 31 to be more stable, the nut 33 is connected to the bolt 31 after the position of the bolt 31 is adjusted, the nut 33 is abutted to the limiting disc 32, the position of the bolt 31 can be guaranteed, and meanwhile the position of the workpiece 1 to be machined can be more stable.

As shown in fig. 1 to 7, in the present embodiment, the area of the stopper disk 32 is larger than the sectional area of the mounting hole 11. The above arrangement enables the position of the spacing disc 32 to be more stable.

As shown in fig. 1 to 7, in the present embodiment, the area of the smallest circle defined by the plurality of jaws 20 is larger than the area of the head of the bolt 31. The above arrangement can avoid interference between the bolt 31 and the jaw 20, and can enable the jaw 20 to hold the member to be machined 1 of a smaller size.

As shown in fig. 1 to 7, in the present embodiment, the chuck 10 is provided with a plurality of guide grooves 12 arranged in a radial direction of the chuck 10, a plurality of jaws 20 are provided in one-to-one correspondence with the plurality of guide grooves 12, and the jaws 20 are movably provided in the guide grooves 12. The provision of the guide groove 12 enables the movement of the jaws 20 to be more stable.

As shown in fig. 1 to 7, in the present embodiment, one end of each of the jaws 20 facing the center position of the chuck 10 is provided with a stopper tip 21. The arrangement of the limiting tip 21 can better clamp the workpiece 1 to be machined.

According to another aspect of the application, a machine tool is provided, and the machine tool of the embodiment comprises a machine tool limiting device, wherein the machine tool limiting device is the machine tool limiting device. The machine tool limiting device can better clamp the workpiece to be processed and can adjust the processing size of the workpiece to be processed. Therefore, the machine tool with the machine tool limiting device also has the advantages.

In the description of the present invention, it should be understood that the directions or positional relationships indicated by the directional terms such as "front, back, upper, lower, left, right", "horizontal, vertical, horizontal" and "top, bottom", etc. are usually based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, and in the case of not making a contrary explanation, these directional terms do not indicate and imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore, should not be construed as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

For ease of description, spatially relative terms such as "over 8230 \ 8230;,"' over 8230;, \8230; upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; 'above" may include both orientations "at 8230; \8230;' above 8230; 'at 8230;' below 8230;" above ". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms do not have special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a lathe stop device which characterized in that includes:

the device comprises a chuck (10), wherein a mounting hole (11) is formed in the center of the chuck (10);

a plurality of jaws (20) which are arranged at intervals on the same side of the chuck (10) and can move along the radial direction of the chuck (10);

and the adjusting piece (30) is adjustably installed at the mounting hole (11) along the axial position of the chuck (10) and is in butt fit with the workpiece (1) to be machined.

2. A machine tool spacing device according to claim 1, characterized in that said adjustment member (30) comprises a bolt (31), said bolt (31) being adjustably connected within said mounting hole (11).

3. The machine tool limiting device according to claim 2, wherein the adjusting piece (30) further comprises a limiting disc (32), a threaded hole (321) is formed in the limiting disc (32), the limiting disc (32) is installed on the chuck (10) and is arranged on the same side as the clamping jaw (20), and the bolt (31) is connected in the threaded hole (321).

4. The machine tool limiting device according to claim 3, wherein a plurality of avoiding notches (322) are formed in the limiting disc (32), and the clamping jaws (20) correspondingly extend into the avoiding notches (322) one by one.

5. Machine tool limitation device according to claim 4, wherein the adjustment member (30) further comprises a nut (33), the nut (33) being connected with the bolt (31), the nut (33) being arranged in the mounting hole (11).

6. A machine tool spacing device according to claim 3, characterized in that the area of the spacing disc (32) is larger than the cross-sectional area of the mounting hole (11).

7. A machine tool spacing device according to claim 2, characterized in that the smallest circle defined by a plurality of jaws (20) has an area greater than the area of the head of the bolt (31).

8. The machine tool spacing device according to any of claims 1 to 7, wherein a plurality of guide grooves (12) are provided in the chuck (10) in a radial direction of the chuck (10), a plurality of jaws (20) and a plurality of guide grooves (12) are provided in one-to-one correspondence, and the jaws (20) are movably provided in the guide grooves (12).

9. Machine tool limitation device according to any one of claims 1 to 7, characterized in that each jaw (20) is provided with a limitation tip (21) at the end facing the central position of the chuck (10).

10. A machine tool comprising a machine tool spacing device, wherein the machine tool spacing device is as claimed in any one of claims 1 to 9.