CN218377200U

CN218377200U - Fastening assembly, precision adjusting device and machine tool

Info

Publication number: CN218377200U
Application number: CN202222831373.6U
Authority: CN
Inventors: 宋明坤
Original assignee: Neway Cnc Equipment Suzhou Co ltd
Current assignee: Neway Cnc Equipment Suzhou Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-01-24
Anticipated expiration: 2032-10-26

Abstract

The utility model discloses a fastening assembly belongs to the lathe field, including fastening component and adjusting part, adjusting part includes first spherical washer, adjusting screw and retaining member, first spherical washer is fixed in first regulated thing, adjusting screw passes through the retaining member and installs in the second regulated thing, adjusting screw reciprocates and is connected with fastening component along the installation direction, adjusting screw's bottom is equipped with the conical surface recess, the conical surface recess cooperatees with first spherical washer, the second is by producing the clearance between regulated thing and the first regulated thing, make the second can be adjusted by the geometric accuracy between regulated thing and the first regulated thing. The application also relates to an adjusting precision device comprising the fastening assembly and a machine tool.

Description

Fastening assembly, precision adjusting device and machine tool

Technical Field

The utility model belongs to the technical field of the lathe and specifically relates to a fastening components, regulation precision device and lathe are related to.

Background

The connection between current horizontal milling and boring machine stand and the slide adopts traditional bolt, bullet pad, flat fastening structure who adds the nut that fills up, and behind both fastening connection, the geometric accuracy between each other depends on the machining precision of both contact surfaces completely, can improve the processing cost and the installation cost of part like this greatly, and after position precision goes wrong between them, need pull down the stand and scrape the contact surface between two frames once more for the degree of difficulty of maintenance increases, and cost of maintenance increases.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, one of the objects of the present invention is to provide a fastening assembly for improving the geometric accuracy between a column and a slide.

In order to overcome the defects of the prior art, the second objective of the utility model is to provide an adjusting precision device for improving the geometric precision between the upright post and the slide seat.

In order to overcome the defects in the prior art, the third object of the utility model is to provide a machine tool for improving the geometric accuracy between a stand column and a slide seat.

The utility model discloses an one of the purpose adopts following technical scheme to realize:

the utility model provides a fastening assembly, includes fastening components and adjusting part, adjusting part includes first spherical surface packing ring, adjusting screw and retaining member, first spherical surface packing ring is fixed in first regulated thing, adjusting screw passes through the retaining member is installed in second regulated thing, adjusting screw reciprocate along the installation direction and with fastening components is connected, the adjusting screw bottom is equipped with conical surface recess, conical surface recess with first spherical surface packing ring cooperatees, produce the clearance between first regulated thing and the second regulated thing.

Further, the adjusting component further comprises a second spherical washer, and the second spherical washer is located at the upper end of the adjusting screw.

Further, the adjusting component further comprises a conical washer, and the conical washer is connected with the second spherical washer.

Furthermore, the adjusting screw is also provided with a wrench position, and the wrench position is positioned at the upper end of the adjusting screw.

Furthermore, the wrench position is an outer hexagonal wrench position or an outer twelve-square wrench position.

Furthermore, the fastening part is also provided with a bolt, an elastic cushion and a flat cushion, and the elastic cushion and the flat cushion are respectively sleeved at the upper end of the bolt.

Further, the outer wall of the adjusting screw rod is also provided with threads, the threads are coarse threads or fine threads, and the locking piece is a screw, a nut or a screw.

Furthermore, the second regulated object is provided with a second threaded hole, and the depth of the adjusting screw rod falling into the second threaded hole is smaller than the length of the threads.

The second purpose of the utility model is realized by adopting the following technical scheme:

an adjustment precision device comprises a first adjusted object, a second adjusted object and the fastening assembly.

The third purpose of the utility model is realized by adopting the following technical scheme:

a machine tool comprises the fastening assembly, wherein the first regulated object is a sliding seat, and the second regulated object is a stand column.

Compared with the prior art, the utility model discloses fastening components still includes adjusting part, adjusting part includes first spherical surface packing ring, adjusting screw and retaining member, first spherical surface packing ring is fixed in on the first regulated thing, adjusting screw installs in the second regulated thing through the retaining member, adjusting screw reciprocates along the installation direction and is connected with fastening part, adjusting screw's bottom is equipped with the conical surface recess, installation adjusting screw cooperatees with first spherical surface packing ring to conical surface recess, then install second spherical surface packing ring and the conical surface packing ring that is located adjusting screw upper end again, and assembled fastening part, fastening part includes the bolt, bullet pad and flat pad, fastening component installs and accomplishes, the second is left the clearance by the regulated thing with first regulated thing between the two, make the second can be adjusted by the regulated thing and the first geometric accuracy by between the regulated thing. The conical washer, the second spherical washer, the adjusting screw and the spherical contact surface between the first spherical washer ensure that the positive pressure applied to the second regulated object by the bolt is still perpendicular to the first regulated object even if the second regulated object is slightly inclined after being adjusted, thereby ensuring the fastening connection between the second regulated object and the first regulated object. When later maintenance is carried out, if the geometric accuracy between the second regulated object and the first regulated object is found to be not up to the requirement, the accuracy can be recovered only by loosening the bolt and then adjusting the adjusting screw rod by using the wrench. Compare traditional fastening mode and need dismantle completely down the second by the regulating object and scrape two contact surfaces, the utility model discloses it is more simple and convenient quick effective.

Drawings

Fig. 1 is an axial cross-sectional view of the fastening assembly of the present invention;

FIG. 2 is a partial structural cross-sectional view at A of the fastener assembly of FIG. 1;

fig. 3 is a perspective view of an adjustment screw of the fastening assembly of fig. 1.

In the figure: 10. a first conditioned object; 11. a first threaded hole; 20. a second conditioned object; 21. a second threaded hole; 30. a fastening member; 31. a bolt; 32. a spring washer; 33. flattening the cushion; 40. an adjustment member; 41. a first spherical washer; 42. adjusting the screw rod; 421. a spanner position; 422. a conical surface groove; 423. a thread; 43. a second spherical washer; 44. a conical washer; 45. a locking member; 50. a gap.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, secured by intervening elements. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly disposed on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Fig. 1-3 show a fastening assembly of the present invention, which includes a first regulated object 10, a second regulated object 20, a fastening member 30, and an adjusting member 40.

In this embodiment:

the first object to be adjusted 10 is provided with a first screw hole 11. The first object to be regulated 10 is a slider in this embodiment.

The second object to be adjusted 20 is provided with a second screw hole 21. The second regulated object 20 in this embodiment is a pillar.

The fastening member 30 includes a bolt 31, an elastic pad 32 and a flat pad 33, the elastic pad 32 and the flat pad 33 are respectively sleeved on the upper end of the bolt 31, and the flat pad 33 is located at the lower end of the elastic pad 32.

The adjustment member 40 includes a first spherical washer 41, an adjustment screw 42, a second spherical washer 43, a tapered washer 44, and a locking member 45.

The first spherical washer 41 is fixed to the first threaded hole 11.

The upper end of the adjusting screw rod 42 is provided with a wrench position 421, and the wrench adjusts and tightens the adjusting screw rod 42 through the wrench position 421. In this embodiment, the wrench position 421 is an outer hexagonal wrench position or an outer twelve square wrench position.

The bottom of the adjusting screw 42 is provided with a conical surface groove 422, and the conical surface groove 422 is matched with the first spherical washer 41.

The outer wall of the adjusting screw 42 is provided with threads 423. The threads 423 in this embodiment are coarse threads or fine threads. Preferably, the threads 423 are fine pitch threads.

The adjustment screw 42 is mounted in the second threaded hole 21.

A second spherical washer 43 is located at the upper end of the adjustment screw 42.

The conical washer 44 is located at the upper end of the second spherical washer 43 and is connected to the flat pad 33.

The locking member 45 is used to lock and fix the adjusting screw 42 to the second regulated object 20. The locking member 45 in this embodiment is a screw, nut or screw.

In the application, a first spherical washer 41 is fixed on a first threaded hole 11, an adjusting screw 42 is screwed into a second threaded hole 21 by a wrench, the adjusting screw 42 is fixedly locked on a second regulated object 20 by a locking piece 45, the screwing depth is smaller than the length of a thread 423, when the second regulated object 20 is installed, a conical surface groove 422 and a second spherical washer 43 are matched, then a second spherical washer 43 and a conical washer 44 are assembled, the matching of the second spherical washer 43 and the conical washer 44 can provide flexible compensation for the subsequent twisting of a bolt 31, the bolt 31 and corresponding elastic pads 32 and flat pads 33 are assembled, the bolt 31 passes through the second threaded hole 21 from the upper part of the second regulated object 20 downwards, and simultaneously passes through the adjusting screw 42 (the adjusting screw 42 is of a hollow structure), the lower end of the bolt 31 is inserted into the first threaded hole 11, the installation of a fastening assembly is completed, at this time, the bolt 31 is in a relaxed state, and a certain gap 50 exists between the second regulated object 20 and the first regulated object 10; in the actual installation process, a plurality of fastening assemblies are used, the screwing length of the adjusting screw rod 42 at different positions of the second regulated object 20 can be adjusted by a wrench, so that the geometric accuracy requirement between the second regulated object 20 and the first regulated object 10 is met, finally, the bolt 31 is locked, the second regulated object 20 is fastened thoroughly, the geometric accuracy of the second regulated object 20 and the first regulated object 10 is checked again, if the geometric accuracy changes, the steps can be repeatedly carried out for fine adjustment, and the whole assembly process is ended. The spherical contact surfaces between the conical washer 44 and the second spherical washer 43 and between the adjusting screw 42 and the first spherical washer 41 in the present structure ensure that the positive pressure applied by the bolt 31 to the second regulated object 20 is still perpendicular to the first regulated object 10 even if the second regulated object 20 is adjusted to be slightly inclined, thereby ensuring the tight connection between the second regulated object 20 and the first regulated object 10. In the later maintenance, if the geometric accuracy between the second regulated object 20 and the first regulated object 10 is not required, the accuracy can be recovered by loosening the bolt 31 and then adjusting the adjusting screw 42 by a wrench. Compare the traditional fastening mode and need dismantle completely down second regulated thing 20 and scrape two contact surfaces, the utility model discloses it is more simple and convenient quick effective.

The application also relates to an adjusting precision device comprising the fastening assembly and a machine tool.

The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, all according to the equivalent modifications and evolutions of the present invention, which are made to the above embodiments by the essential technology, and all belong to the protection scope of the present invention.

Claims

1. A fastening assembly comprising a fastening member, characterized in that: still include adjusting part, adjusting part includes first spherical surface packing ring, adjusting screw and retaining member, first spherical surface packing ring is fixed in first regulated thing, adjusting screw passes through the retaining member is installed in the second regulated thing, adjusting screw reciprocate along the installation direction and with fastening element is connected, the adjusting screw bottom is equipped with the conical surface recess, the conical surface recess with first spherical surface packing ring cooperatees, first regulated thing and second produce the clearance by between the regulated thing.

2. The fastening assembly of claim 1, wherein: the adjusting part further comprises a second spherical washer, and the second spherical washer is located at the upper end of the adjusting screw.

3. The fastening assembly of claim 2, wherein: the adjusting part further comprises a conical washer connected with the second spherical washer.

4. The fastening assembly of claim 1, wherein: the adjusting screw rod is further provided with a wrench position, and the wrench position is located at the upper end of the adjusting screw rod.

5. The fastening assembly of claim 4, wherein: the wrench position is an outer hexagonal wrench position or an outer twelve-square wrench position.

6. The fastening assembly of claim 1, wherein: the fastening part comprises a bolt, an elastic cushion and a flat cushion, and the elastic cushion and the flat cushion are respectively sleeved at the upper end of the bolt.

7. The fastening assembly of claim 1, wherein: the adjusting screw rod outer wall is equipped with the screw thread, the screw thread is coarse thread or fine thread, the retaining member is screw, nut or screw.

8. The fastening assembly of claim 7, wherein: the second regulated object is provided with a second threaded hole, and the depth of the adjusting screw rod falling into the second threaded hole is smaller than the length of the thread.

9. An adjustment accuracy device, comprising a first object to be adjusted and a second object to be adjusted, characterized in that: further comprising a fastening assembly according to any one of claims 1-8.

10. A machine tool comprising a fastening assembly according to any one of claims 1 to 8, wherein: the first regulated object is a sliding seat, and the second regulated object is an upright post.