CN215469808U

CN215469808U - Automatic rotating and turning device for lathe

Info

Publication number: CN215469808U
Application number: CN202121434631.6U
Authority: CN
Inventors: 杨立军
Original assignee: Zhuji Yida Machinery Co ltd
Current assignee: Zhuji Yida Machinery Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2022-01-11
Anticipated expiration: 2031-06-25

Abstract

The utility model provides an automatic rotating and turning device for a lathe, which comprises a machine tool spindle, wherein a chuck is fixedly arranged on the machine tool spindle, an elastic rod is inserted into a stepped hole of the chuck, the periphery of the elastic rod is sleeved with a spring, the elastic rod and the periphery of the spring are sleeved with an elastic sleeve, and the elastic sleeve and the elastic rod press two ends of the spring; the rotary mechanism comprises a rotary seat, the rotary seat is provided with a rotary round hole and a translational square hole, a rack is arranged in the translational square hole in a sliding manner and is driven and connected by a rotary cylinder, a gear is arranged in the rotary round hole and is in tooth meshing connection with the gear, the rotary shaft is fixedly penetrated in the gear, the lower end of the rotary shaft is fixedly connected with an assembly disc, the bottom surface of the assembly disc is fixedly connected with a rotary head, a rotary sleeve with a material receiving through hole is fixedly arranged in the rotary head, and the material receiving through hole of the rotary sleeve is horizontally arranged opposite to the chuck; the feeding mechanism comprises a feeding cylinder, the outer end of a telescopic rod of the feeding cylinder is fixedly connected with a feeding head, and the feeding head and the material receiving through hole of the rotary sleeve are horizontally arranged oppositely.

Description

Automatic rotating and turning device for lathe

Technical Field

The utility model belongs to the technical field of machinery, relates to a lathe accessory, and particularly relates to an automatic rotating and turning device for a lathe.

Background

The numerically controlled lathe is one of the widely used numerically controlled machines at present. The cutting tool is mainly used for cutting processing of an outer cylindrical surface, an outer conical surface with any taper angle, a complex rotary outer curved surface, a cylinder, a conical thread and the like of a shaft part or a disc part, and can perform grooving, drilling, reaming, boring and the like.

The application of the automatic numerical control lathe in the machining field of machinery is more and more extensive. The numerical control lathe is generally divided into 2 times to clamp and finish machining in the machining process of machining small rod hardware parts, namely 2 heads of one rod are clamped once, and the traditional process finishes turning and clamping manually, so that the machining efficiency is low, and the labor cost is too high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art, and provides an automatic rotating and turning device for a lathe, which is used for reducing labor and improving the machining efficiency by additionally arranging an automatic control turning operation.

The purpose of the utility model can be realized by the following technical scheme: an automatic rotating and turning-around device for a lathe comprises a machine tool spindle, wherein a chuck for fixing a part is fixedly arranged on the machine tool spindle, the chuck is provided with a stepped hole, an elastic rod is inserted into the stepped hole, the periphery of the elastic rod is sleeved with a spring, the elastic rod and the periphery of the spring are sleeved with an elastic sleeve, and the elastic sleeve and the elastic rod press two ends of the spring; the rotary mechanism comprises a rotary seat, the rotary seat is provided with a vertical rotary round hole and a horizontal translation square hole, the rotary round hole is communicated with the translation square hole at the vertical intersection, a rack is arranged in the translation square hole in a sliding manner and is driven by a rotary cylinder to be connected, a gear is arranged in the rotary round hole, the rack and the gear are in tooth meshing connection, the rotary shaft is fixedly penetrated in the gear, the lower end of the rotary shaft is fixedly connected with an assembly disc, the bottom surface of the assembly disc is fixedly connected with a rotary head, a rotary sleeve with a material receiving through hole is fixedly arranged in the rotary head, and the material receiving through hole of the rotary sleeve and the chuck are horizontally arranged oppositely; the feeding mechanism comprises a feeding cylinder, the outer end of a telescopic rod of the feeding cylinder is fixedly connected with a feeding head, and the feeding head and the material receiving through hole of the rotary sleeve are horizontally arranged oppositely.

The automatic rotating and turning-around device for the lathe has the operation mode that a machine tool spindle drives parts on a chuck to complete a first process, the back chuck loosens the parts, the elastic rod is driven to outwards push the parts under the elastic action of a spring, the parts enter the inside of a rotary sleeve, a rack is pushed to do linear motion when a rotary cylinder receives the power of an electromagnetic valve air source, a gear is driven to rotate through tooth meshing, so that a rotating shaft and a rotating head are driven to rotate synchronously, a rotating limiting pin on an assembly disc synchronously moves from the inner side of one limiting screw to the inner side of the other limiting screw, the rotating shaft stops rotating through the blocking of the limiting screw, the rotating head just rotates to 180 degrees, a magnetic ring inside the rotary cylinder is opened to rotate to a magnetic switch, and an in-place signal is sent to a numerical control system to execute next-step action. The feeding cylinder receives the power of an air source of the electromagnetic valve, drives the feeding head to push the part to enable the other end of the part to enter the chuck, the feeding in-place magnetic switch on the feeding cylinder detects that the feeding is in place, and the numerical control system controls a program for automatically machining the other end of the part after the machine tool spindle clamps the part, so that the automatic turning machining process is realized.

In the automatic rotating and turning-around device for the lathe, the assembly disc is vertically provided with the rotating limiting pin, one side of the rotating seat is provided with two limiting screws, and the rotating limiting pin extends upwards and is located between the two limiting screws.

In the above automatic rotating and turning-around device for a lathe, the rotating cylinder is provided with a rotating-to-position magnetic switch.

In the above automatic rotating and turning-around device for a lathe, the feeding cylinder is provided with a feeding-to-position magnetic switch.

In the above automatic rotating and turning device for a lathe, bearings are sleeved at both the upper and lower ends of the rotating shaft, and the bearings are fixedly arranged at the upper and lower ends of the rotating circular hole of the rotating base.

In the automatic rotating and turning-around device for the lathe, the waterproof cover is buckled at the upper end of the rotating round hole of the rotating seat.

In the above automatic rotating and turning device for a lathe, the inner end of the elastic rod is provided with an annular boss, the inner end of the spring abuts against the annular boss, and the outer end of the spring abuts against the inner end wall of the elastic sleeve.

In the automatic rotating and turning-around device for the lathe, the rotating seat and the feeding cylinder are both fixed on an assembly seat, and the assembly seat is fixed on a machine tool supporting plate.

In the above automatic rotating and turning-around device for a lathe, the rotating cylinder is fixed to the rotating base through a mounting plate.

Compared with the prior art, the automatic rotating and turning-around device for the lathe has the following advantages:

the device utilizes the cylinder to drive and the gear meshing transmission to turn, solves the problem that the turning needs to be manually turned in the machining process, realizes automatic production, reduces the labor intensity for operators, shortens the downtime of a machine tool, and improves the machining efficiency of the machine tool.

Drawings

Fig. 1 is an overall assembly structural view of the present automatic swivel device for lathe.

Fig. 2 is a view showing an internal structure of a cartridge in the automatic swivel device for lathe.

Fig. 3 is an exploded view of the rotating mechanism and the feeding mechanism in the automatic rotary u-turn device for lathe of the present invention.

In the figure, 1, a machine tool main shaft; 2. a chuck; 3. an elastic rod; 4. a spring; 5. an elastic sleeve; 6. a rotating base; 7. a rotating cylinder; 8. a rotation-to-position magnetic switch; 9. mounting a plate; 10. a rack; 11. a waterproof cover; 12. a bearing; 13. a gear; 14. a rotating shaft; 15. assembling a disc; 16. rotating the limit pin; 17. a limiting screw; 18. rotating the head; 19. a rotating sleeve; 20. a feed cylinder; 21. a magnetic switch for feeding in place; 22. a feed head; 23. assembling a seat; 24. machine tool pallet.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 3, the automatic rotating and turning device for a lathe comprises a machine tool spindle 1, wherein a chuck 2 for fixing a part is fixedly arranged on the machine tool spindle 1, the chuck 2 is provided with a stepped hole, an elastic rod 3 is inserted into the stepped hole, the periphery of the elastic rod 3 is sleeved with a spring 4, the peripheries of the elastic rod 3 and the spring 4 are sleeved with an elastic sleeve 5, and the elastic sleeve 5 and the elastic rod 3 press two ends of the spring 4; the rotary mechanism and the feeding mechanism are arranged at opposite positions of the chuck 2, the rotary mechanism comprises a rotary seat 6, the rotary seat 6 is provided with a vertical rotary round hole and a horizontal translation square hole, the rotary round hole and the translation square hole are communicated at a vertical intersection, a rack 10 is arranged in the translation square hole in a sliding manner, the rack 10 is connected with the rotary cylinder 7 in a driving manner, a gear 13 is arranged in the rotary round hole, the rack 10 and the gear 13 form tooth meshing connection, the rotary shaft 14 is fixedly penetrated in the gear 13, the lower end of the rotary shaft 14 is fixedly connected with an assembly disc 15, a rotary head 18 is fixedly connected to the bottom surface of the assembly disc 15, a rotary sleeve 19 with a material receiving through hole is fixedly arranged in the rotary head 18, and the material receiving through hole of the rotary sleeve 19 is horizontally opposite to the chuck 2; the feeding mechanism comprises a feeding cylinder 20, the outer end of a telescopic rod of the feeding cylinder 20 is fixedly connected with a feeding head 22, and the feeding head 22 and the material receiving through hole of the rotary sleeve 19 are horizontally arranged oppositely.

The automatic rotating and turning-around device for the lathe has the operation mode that the machine tool spindle 1 drives parts on the chuck 2 to complete a first procedure, then the chuck 2 loosens the parts, the elastic rod 3 is driven to push the part outwards under the elastic force of the spring 4, so that the part enters the inner part of the rotary sleeve 19, when the rotary cylinder 7 receives the power of the electromagnetic valve air source, the push rack 10 moves linearly, the gear 13 is driven to rotate through the tooth meshing, thereby driving the rotating shaft 14 and the rotating head 18 to rotate synchronously, the rotating limit pin 16 on the assembling disc 15 moves synchronously from the inner side of one limit screw 17 to the inner side of the other limit screw 17, the rotation shaft 14 stops rotating due to the blocking of the limiting screw 17, at the moment, the rotating head 18 just rotates to 180 degrees, the magnetic ring inside the rotating cylinder 7 is opened to rotate the magnetic switch 8 to the position, and therefore the position signal is sent to the numerical control system to execute the next action. The feeding cylinder 20 receives the power of an air source of the electromagnetic valve, drives the feeding head 22 to push a part to enable the other end of the part to enter the chuck 2, the feeding in-place magnetic switch 21 on the feeding cylinder 20 detects that the feeding is in place, and the numerical control system controls the machine tool spindle 1 to enter a program for automatically machining the other end of the part after clamping the part, so that the automatic turning machining process is realized.

The assembly disc 15 is vertically provided with a rotary limiting pin 16, one side of the rotary seat 6 is provided with two limiting screws 17, and the rotary limiting pin 16 extends upwards to be positioned between the two limiting screws 17.

The rotary cylinder 7 is provided with a rotary-to-position magnetic switch 8.

The feed cylinder 20 is provided with a feed-to-position magnetic switch 21.

The upper and lower ends of the rotating shaft 14 are sleeved with bearings 12, and the bearings 12 are fixedly arranged at the upper and lower ends of the rotating round hole of the rotating base 6.

The upper end of the rotating round hole of the rotating seat 6 is buckled with a waterproof cover 11.

The inner end of the elastic rod 3 is provided with an annular boss, the inner end of the spring 4 abuts against the annular boss, and the outer end of the spring 4 abuts against the inner end wall of the elastic sleeve 5.

The rotating seat 6 and the feeding cylinder 20 are both fixed on an assembly seat 23, and the assembly seat 23 is fixed on a machine tool supporting plate 24.

The rotary cylinder 7 is fixed on the rotary base 6 through a mounting plate 9.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Although the machine spindle 1 is used more here; a chuck 2; an elastic rod 3; a spring 4; an elastic sleeve 5; a rotating base 6; a rotary cylinder 7; a rotation-to-position magnetic switch 8; a mounting plate 9; a rack 10; a waterproof cover 11; a bearing 12; a gear 13; a rotating shaft 14; an assembly tray 15; rotating the limit pin 16; a limit screw 17; a rotating head 18; a rotating sleeve 19; a feed cylinder 20; feed to the position magnetic switch 21; a feed head 22; an assembly seat 23; machine tool pallet 24, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. An automatic rotating and turning-around device for a lathe comprises a machine tool spindle, wherein a chuck for fixing parts is fixedly arranged on the machine tool spindle, and the automatic rotating and turning-around device is characterized in that the chuck is provided with a stepped hole, an elastic rod is inserted into the stepped hole, the periphery of the elastic rod is sleeved with a spring, the periphery of the elastic rod and the periphery of the spring are sleeved with an elastic sleeve, and the elastic sleeve and the elastic rod press two ends of the spring; the rotary mechanism comprises a rotary seat, the rotary seat is provided with a vertical rotary round hole and a horizontal translation square hole, the rotary round hole is communicated with the translation square hole at the vertical intersection, a rack is arranged in the translation square hole in a sliding manner and is driven by a rotary cylinder to be connected, a gear is arranged in the rotary round hole, the rack and the gear are in tooth meshing connection, the rotary shaft is fixedly penetrated in the gear, the lower end of the rotary shaft is fixedly connected with an assembly disc, the bottom surface of the assembly disc is fixedly connected with a rotary head, a rotary sleeve with a material receiving through hole is fixedly arranged in the rotary head, and the material receiving through hole of the rotary sleeve and the chuck are horizontally arranged oppositely; the feeding mechanism comprises a feeding cylinder, the outer end of a telescopic rod of the feeding cylinder is fixedly connected with a feeding head, and the feeding head and the material receiving through hole of the rotary sleeve are horizontally arranged oppositely.

2. The automatic rotary u-turn device for lathe according to claim 1, wherein a rotary limit pin is vertically arranged on the assembling disc, two limit screws are arranged on one side of the rotary seat, and the rotary limit pin extends upwards and is located between the two limit screws.

3. The automatic rotary u-turn apparatus for lathe according to claim 1, wherein a rotary-to-position magnetic switch is provided on the rotary cylinder.

4. The automatic rotary u-turn apparatus for lathe according to claim 1, wherein a feed-to-position magnetic switch is provided on the feed cylinder.

5. The automatic rotating and turning device for the lathe according to claim 1, wherein bearings are sleeved on the upper end and the lower end of the rotating shaft, and the bearings are fixedly arranged on the upper end and the lower end of the rotating round hole of the rotating base.

6. The automatic rotating u-turn device for a lathe according to claim 1, wherein a waterproof cover is fastened to the upper end of the rotating round hole of the rotating base.

7. The auto-rotation u-turn device for lathe according to claim 1, wherein the inner end of the elastic rod has an annular boss, the inner end of the spring abuts against the annular boss, and the outer end of the spring abuts against the inner end wall of the elastic sleeve.

8. The automatic rotary u-turn device for lathe according to claim 1, wherein the rotary seat and the feeding cylinder are fixed on an assembly seat, and the assembly seat is fixed on a machine tool supporting plate.

9. The automatic rotary u-turn apparatus for lathe according to claim 1, wherein the rotary cylinder is fixed to the rotary base by a mounting plate.