CN216705963U

CN216705963U - Guide mechanism for semi-automatic lathe

Info

Publication number: CN216705963U
Application number: CN202220154214.4U
Authority: CN
Inventors: 宋丹
Original assignee: Qingdao Gaoche Precision Machinery Co ltd
Current assignee: Qingdao Gaoche Precision Machinery Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-06-10
Anticipated expiration: 2032-01-20

Abstract

The utility model discloses a guide mechanism for a semi-automatic lathe, which relates to the field of semi-automatic lathes and comprises a lathe body and a three-jaw chuck arranged on the lathe body, wherein a track of the lathe body is connected with a base plate in a sliding manner, a first sliding block and a second sliding block are connected on the base plate in a sliding manner, the upper surfaces of the first sliding block and the second sliding block are respectively and rotatably provided with a first roller and a second roller through a bracket, a plane formed by the axis of the first roller and the axis of the second roller is parallel to the upper surface of the base plate, and the base plate is provided with a driving mechanism for driving the first roller and the second roller to synchronously move towards or away from each other. The utility model can save the time for determining the machining guide, improve the machining accuracy, reduce the workpiece loss and save the machining cost.

Description

Guide mechanism for semi-automatic lathe

Technical Field

The utility model relates to the field of semi-automatic lathes, in particular to a guide mechanism for a semi-automatic lathe.

Background

The semi-automatic lathe is controlled by a computer and a worker together, and the existing horizontal lathe has two modes for positioning when processing a workpiece:

1. one is to directly point the pointer to the top of the workpiece, and then rotate the workpiece to see the distance change between the workpiece and the pointer for correction.

2. The cross is scribed on the end face of the workpiece and then corrected by rotating the cross and then checking the symmetry of the scribe with a scribe wheel.

The two modes are rough, the workpiece is difficult to accurately guide, much time is spent for positioning, the workpiece is easy to slide when being clamped, the workpiece is easy to damage, inaccurate positioning can be caused, processing materials are wasted, and the processing precision is influenced.

In order to solve the problems, the utility model provides a guide mechanism for a semi-automatic lathe.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a guide mechanism for a semi-automatic lathe, which comprises a lathe body and a three-jaw chuck arranged on the lathe body, wherein a base plate is connected to a track of the lathe body in a sliding manner, a first sliding block and a second sliding block are connected to the base plate in a sliding manner, a first roller and a second roller are respectively and rotatably arranged on the upper surfaces of the first sliding block and the second sliding block through a bracket, a plane formed by the axis of the first roller and the axis of the second roller is parallel to the upper surface of the base plate, and a driving mechanism for driving the first roller and the second roller to synchronously move towards or away from each other is arranged on the base plate. The novel time of confirming the processing direction of this use can be saved, the accuracy of processing has been improved, has also reduced the work piece loss simultaneously, the processing cost of saving to solve the problem in the technical background.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a guiding mechanism for semi-automatic lathe, includes the three-jaw chuck that sets up on lathe body and the lathe body, lathe body's track slidable is connected with the base plate, sliding connection has first slider and second slider on the base plate, first slider with second slider upper surface rotates respectively through the support and installs first gyro wheel and second gyro wheel, the axis of first gyro wheel with the plane that the axis of second gyro wheel formed is parallel to each other with the upper surface of base plate, be provided with on the base plate and be used for driving the first gyro wheel and the second gyro wheel in step in opposite directions or leave the actuating mechanism who removes mutually.

Furthermore, a sliding groove is formed in the substrate, a first sliding rail and a second sliding rail are formed in the side wall of the sliding groove, a plane formed by the first sliding rail and the second sliding rail is parallel to the plane of the upper end of the substrate, and the first sliding rail and the second sliding rail are used for being respectively connected with the first sliding block and the second sliding block in a sliding mode.

Further, the driving mechanism comprises a first threaded through hole formed in the side edge of the first slider, a second threaded through hole formed in the side edge of the second slider, the rotating directions of the first threaded through hole and the second threaded through hole are opposite, a through hole is formed in the side wall of the substrate and penetrates through the sliding groove, a positioning hole is formed in the side wall of the sliding groove, the through hole and the positioning hole are rotatably connected with a lead screw, and the lead screw is in threaded connection with the first threaded through hole of the first slider and the second threaded through hole of the second slider.

Furthermore, a graduated scale is fixed on the upper end surface of the substrate in the sliding direction of the first sliding block and the second sliding block.

Furthermore, a limiting block is fixed on one side of the bottom surface of the substrate, a screw rod is connected with the limiting block through threads, and the bottom surface of the screw rod is used for abutting against the lathe body.

Further, the first roller and the second roller are the same size.

Further, the bottom of the substrate is provided with a storage box for measurement.

Compared with the prior art, the utility model has the following beneficial effects:

1. the guide mechanism for the semi-automatic lathe saves the time for determining the machining guide, can adapt to workpieces with different sizes, can accurately machine and guide large workpieces, can quickly machine in batches, improves the working efficiency and improves the machining benefit.

2. According to the guide mechanism for the semi-automatic lathe, provided by the utility model, when the semi-automatic lathe is clamped, the workpiece is not easy to slide and damage, the extra consumption generated in processing and the cost of the extra consumption are reduced, and the processing benefit is improved.

3. The guide mechanism for the semi-automatic lathe provided by the utility model can be used for improving the machining precision and accurately machining and guiding, so that the consumption of workpieces during machining is reduced, the cost of the workpieces is reduced, and the machining benefit is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a right side view of the present invention;

FIG. 3 is a schematic front view of the present invention;

FIG. 4 is a schematic top view of the present invention;

fig. 5 is a cross-sectional view of the screw according to the present invention.

In the figure: 1. a lathe body; 2. a three-jaw chuck; 3. a substrate; 4. a chute; 5. a first slider; 6. a second slider; 7. a first roller; 8. a second roller; 9. a screw rod; 10. a graduated scale; 11. a first threaded through hole; 12. a second threaded through hole; 13. a limiting block; 14. a screw; 15. and (7) storing the box.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a guide mechanism for a semi-automatic lathe includes a lathe body 1 and a three-jaw chuck 2 disposed on the lathe body 1, a substrate 3 is slidably connected to a track of the lathe body 1, a first slider 5 and a second slider 6 are slidably connected to the substrate 3, a first roller 7 and a second roller 8 are rotatably mounted on upper surfaces of the first slider 5 and the second slider 6 respectively through a bracket, a plane formed by an axis of the first roller 7 and an axis of the second roller 8 is parallel to an upper surface of the substrate 3, and a driving mechanism for driving the first roller 7 and the second roller 8 to move synchronously and oppositely or separately is disposed on the substrate 3. In use, the first slide block 5 or the second slide block 6 is moved to enable the first roller 7 and the second roller 8 to move synchronously, so that a workpiece can be placed on a plane formed by the axis of the first roller 7 and the axis of the second roller 8, and the machining guide of the workpiece is determined and checked by using a measuring instrument and a pythagorean theorem.

The base plate 3 is provided with a sliding groove 4, the side wall of the sliding groove 4 is provided with a first sliding rail and a second sliding rail, the plane formed by the first sliding rail and the second sliding rail is parallel to the plane of the upper end of the base plate 3, and the first sliding rail and the second sliding rail are used for being respectively connected with a first sliding block 5 and a second sliding block 6 in a sliding mode. When in use, the first slider 5 and the second slider 6 are positioned in the first slide rail and the second slide rail, and are prevented from falling out of the substrate 3 when in use, thereby influencing the accuracy.

The driving mechanism comprises a first threaded through hole 11 formed in the side edge of the first sliding block 5, a second threaded through hole 12 formed in the side edge of the second sliding block 6, the rotating directions of the first threaded through hole 11 and the second threaded through hole 12 are opposite, the side wall of the substrate 3 is provided with a through hole and penetrates through the sliding chute 4, the side wall of the sliding chute 4 is provided with a positioning hole, the through hole and the positioning hole are rotatably connected with a screw rod 9, and the screw rod 9 is in threaded connection with the first threaded through hole 11 of the first sliding block 5 and the second threaded through hole 12 of the second sliding block 6. When the workpiece adjusting device is used, the first roller 7 and the second roller 8 can synchronously move equally by using the driving mechanism, so that the next workpiece can be adjusted conveniently.

A scale 10 is fixed to the upper end surface of the base plate 3 in the sliding direction of the first slider 5 and the second slider 6. When the measuring device is used, the position of the axis of the next workpiece is calculated and pushed out, and the first sliding block 5 and the second sliding block 6 can be accurately moved to the required positions by using the graduated scale 10.

A limiting block 13 is fixed on one side of the bottom surface of the base plate 3, a screw 14 is connected to the limiting block 13 in a threaded mode, and the bottom surface of the screw 14 is used for abutting against the lathe body 1. When in use, the base plate 3 is moved on the track of the lathe body 1 to adapt to workpieces with different lengths, the base plate 3 is fixed by the screw 14 before the workpieces are determined, the damage to the workpieces and the reduction of the precision of the workpiece processing and guiding caused by the movement of the base plate 3 are prevented,

the first roller 7 and the second roller 8 are the same size. When in use, the same size ensures that the axis of the workpiece is coincident with the axis of the center of the three-jaw chuck 2 when the screw rod 9 is adjusted.

The bottom of the base plate 3 has a measuring magazine 15. When the measuring instrument is used, the storage box 15 is arranged, so that the measuring instrument can be more conveniently stored and taken, the probability of damage and loss of the measuring instrument is reduced, and the working efficiency is improved.

In summary, before use, the substrate 3 is adjusted to be in a position suitable for a workpiece, so that a midpoint of a connecting line of axes of the first roller 7 and the second roller 8 is on a vertical plane where a central axis of the three-jaw chuck 2 is located, the screw 14 is tightened to fix the substrate 3 on a track of the lathe body 1, a height difference from the axis of the midpoint of the three-jaw chuck 2 to the plane where the first roller 7 and the second roller 8 are located is measured by using a measuring tool and is recorded as a, a radius of the first roller 7 or the second roller 8 is measured and is recorded as b, a radius of the workpiece to be machined is measured and is recorded as c, and the pythagorean theorem is utilized: the horizontal distance of the axis of the first roller 7 or the second roller 8 deviating from the axis of the three-jaw chuck 2 can be calculated as d, the zero scale point of the scale 10 is located on the vertical plane of the axis of the three-jaw chuck 2, and the intersection point of the vertical plane of the axis of the first roller 7 and the first slider 5 or the intersection point of the vertical plane of the axis of the second roller 8 and the second slider 6 is calculated as a mark point. When the numerical control machining guide ruler is used, the lead screw 9 is rotated through the graduated scale 10, so that the numerical value of the marking point is the same as that of d, the axis of a machined workpiece is overlapped with the central axis of the three-jaw chuck 2, the workpiece is clamped, the three-jaw chuck 2 is rotated, the workpiece rotates for one circle, namely, the machining direction of the workpiece is determined, when the workpiece is machined, only the numerical value of c needs to be measured, the numerical value of d is calculated, and then the lead screw 9 is rotated to conduct adjustment, so that the machining guide of the workpiece can be obtained.

In summary, the following steps: according to the utility model, the machining guide of the workpiece can be determined by only measuring the radius of the machined workpiece, adjusting the screw rod 9, and the machining guide of the workpiece can be verified by the first roller 7, the second roller 8 and the three-jaw chuck 2, so that the time for determining the machining guide is saved, the machining accuracy is improved, the workpiece loss is reduced, and the machining cost is saved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a guiding mechanism for semi-automatic lathe, includes three-jaw chuck (2) that set up on lathe body (1) and lathe body (1), its characterized in that: the track slidable of lathe body (1) is connected with base plate (3), sliding connection has first slider (5) and second slider (6) on base plate (3), first slider (5) with second slider (6) upper surface rotates respectively through the support and installs first gyro wheel (7) and second gyro wheel (8), the axis of first gyro wheel (7) with the plane that the axis of second gyro wheel (8) formed with the upper surface of base plate (3) is parallel to each other, be provided with on base plate (3) and be used for driving first gyro wheel (7) and second gyro wheel (8) synchronous facing each other or the actuating mechanism who moves apart from each other.

2. A guide mechanism for a semi-automatic lathe according to claim 1, wherein: the sliding groove (4) is formed in the base plate (3), a first sliding rail and a second sliding rail are formed in the side wall of the sliding groove (4), the plane formed by the first sliding rail and the second sliding rail is parallel to the plane of the upper end of the base plate (3), and the first sliding rail and the second sliding rail are used for being respectively connected with the first sliding block (5) and the second sliding block (6) in a sliding mode.

3. A guide mechanism for a semi-automatic lathe according to claim 2, wherein: the driving mechanism comprises a first threaded through hole (11) formed in the side edge of the first sliding block (5), a second threaded through hole (12) formed in the side edge of the second sliding block (6), the rotating directions of the first threaded through hole (11) and the second threaded through hole (12) are opposite, a through hole is formed in the side wall of the substrate (3) and penetrates through the sliding chute (4), a positioning hole is formed in the side wall of the sliding chute (4), the through hole and the positioning hole are rotatably connected with a screw rod (9), and the screw rod (9) is in threaded connection with the first threaded through hole (11) of the first sliding block (5) and the second threaded through hole (12) of the second sliding block (6).

4. A guide mechanism for a semi-automatic lathe according to claim 1, wherein: and a graduated scale (10) is fixed on the upper end surface of the base plate (3) in the sliding direction of the first sliding block (5) and the second sliding block (6).

5. A guide mechanism for a semi-automatic lathe according to claim 1, wherein: a limiting block (13) is fixed on one side of the bottom surface of the base plate (3), a screw rod (14) is connected to the limiting block (13) in a threaded mode, and the bottom surface of the screw rod (14) is used for abutting against the lathe body (1).

6. A guide mechanism for a semi-automatic lathe according to claim 1, wherein: the first roller (7) and the second roller (8) are the same in size.

7. A guide mechanism for a semi-automatic lathe according to claim 1, wherein: the bottom of the substrate (3) is provided with a storage box (15) for measurement.