CN201108960Y

CN201108960Y - Lathe auto-feeding apparatus for shaft machining

Info

Publication number: CN201108960Y
Application number: CNU2007201921540U
Authority: CN
Inventors: 沈高明
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-10-25
Filing date: 2007-10-25
Publication date: 2008-09-03
Anticipated expiration: 2017-10-25

Abstract

The utility model relates to a lathe automatic feeding device used for shaft processing. The structure thereof is mainly provided with six parts including a numerically controlled lathe body, a feeding system, a clamping system, a discharging system, a numerical control system and a control electric box. The original lathe needs being operated by a special person, and the efficiency is not high. The improved lathe is characterized in that the unmanned automatic process can be realized, thereby not only reducing the labor cost to improve the work efficiency and the product quality, but also reducing the risk cost for man-made scrap, and greatly increasing the reliability and the consistency of products.

Description

A kind of automatic feeding device for lathe of class processing that is used for

Technical field

The utility model relates to a kind of automatic feeding device for lathe.

Background technology

In the motor processing, need to use widely numerically controlled lathe the axle branch of motor is carried out processing, because traditional numerically controlled lathe does not have automatic feeding device, so use pretty troublesome, greatly reduce the working (machining) efficiency of numerically controlled lathe, when the axle class was processed, it finished autofeed, cutting, tool changing and withdrawing by digital control system as given figure car controlling bed.Its main operating process is as follows:

1. the axle branch that manually will process is put into the lathe three-jaw chuck;

2. outer four jiaos of spanners locking three-jaw;

3. promote tailstock and withstand iron branch centre bore;

4. locking tailstock;

5. starting switch is processed beginning;

6. after main shaft comes to a complete stop, unclamp tailstock;

7. push back tailstock;

8. unclamp three-jaw;

9. the taking-up workpiece is put into Turnover Box;

Enter next circulation after finishing above-mentioned action.

Because existing lathe all is manually-operated in charging, discharging, thus length consuming time, scrap many, utilization rate of equipment and installations is not high enough.For implementing the policy of enterprise's machine tool automation, mechanization, the numerically controlled lathe of development automatic feed, clamping, discharge system seems very necessary and urgent.

The utility model content

Technical problem to be solved in the utility model provides an a kind of automatic feeding device for lathe of class processing that simply is used for rational in infrastructure, and it can be enhanced productivity greatly, reduces working strength of workers, guarantees the quality of product, reduces the scrappage of product.

The technical scheme that the utility model technical solution problem is adopted is such: a kind of automatic feeding device for lathe of class processing that is used for, it includes lathe body, digital control system and control electronic box, it is characterized in that on the lathe body, being equipped with feeding mechanism, clamping mechanism, discharging mechanism, wherein:

Feeding mechanism is installed in the lathe body near on the lateral location of collet segment, it includes the frame that feeds intake, feed intake and the cylinder that feeds intake is installed on the frame, the outside of cylinder at slide plate feeds intake, the lifting piston rod of cylinder of feeding intake is connected with the boatswain chair that promotes axle base part to be processed, and the opposite side of slide plate is connected with deflector chute by window, and the mechanical arm of cooperation is arranged below deflector chute, the mechanical arm inner end is the stopper slot that cooperates with axle base part to be processed, and the mechanical arm inner end is connected with the piston rod of pusher cylinder;

Clamping mechanism comprises lathe body collet segment, tailstock is installed on the anterior locations of lathe body collet segment, thimble on the tailstock is connected with the piston rod of liftout cylinder, the locking member that is used for locking thimble is connected with the piston rod of tailstock locking cylinder, and locking member is stuck in the draw-in groove of tailstock thimble next to axis;

Discharging mechanism is installed in the lathe body near on the position, another side of collet segment, and the carriage inner end that connects material is the guide that is positioned at collet segment center line below, and the carriage outer end that connects material is in the Turnover Box top position;

PLC controller in the digital control system connects the electromagnetic steering valve of each control cylinder action.

The described frame that feeds intake is provided with delivery sheet obliquely in the outside of slide plate, has the opening that passes through for L shaped boatswain chair at the binding site of delivery sheet and slide plate, and the side of boatswain chair is connected with lifting piston rod.The assembling of being convenient to feeding mechanism is like this used.

Described collet segment includes three-jaw chuck and base of the carrier head, and Motor Drive connects the chuck axis, and the chuck axis is connected with the piston rod of chuck cylinder, is supported with flexible member between chuck axis and the lathe body.After being convenient to a base part like this and processing,, make spindle unit to be processed under the resiliency urged of flexible member, jump out automatically in case thimble breaks away from.

Be connected with the piston rod of the cylinder that connects material below the carriage that connects material in the described discharging mechanism, guide is that two guide posts layouts are connected on the position, both sides of the edge of the carriage that connects material.Being convenient to make car falls in the process the scrap metal gap by guide post to drain in the lathe like this goes.

Described mechanical arm inner end is provided with inductor, and the output of inductor is connected to the PLC controller.Whether the PLC controller can detect axle base part positive stop to be processed like this.

Described mechanical arm inner end is provided with the jump ring piece with pivot pin, and jump ring has been drawn in jump ring piece and mechanical arm inner end, thereby forms stopper slot, be convenient to clamping like this after, the jump ring piece can stressedly overturn, and makes mechanical arm level withdrawal successfully, need not complicated transmission mechanism.

Described each cylinder is connected with electromagnetic steering valve by adjustable flow-limiting valve.Like this, can regulate the fltting speed of each cylinder, satisfy the needs of processing.

Compared with prior art, advantage of the present utility model is: lathe spindle, tailstock are reequiped make its energy automatic feed, clamping, liftout, and discharging, can realize unmanned automatic processing, so both can reduce cost of labor, thereby improve production efficiency and product quality, having reduced the people again is the risk cost of scrapping, reliability of products, uniformity also significantly strengthen, and reasonable integral structure is installed and used easily.

Description of drawings

Fig. 1 is the schematic diagram of the automatic feeding of whole numerically controlled lathe;

Fig. 2 is the control flow chart of PLC controller;

Fig. 3 is the stereogram of feeding mechanism;

Fig. 4 is the side diagrammatic sketch of feeding mechanism;

Fig. 5 is the side diagrammatic sketch of feeding mechanism;

Fig. 6 is the schematic diagram of clamping mechanism;

Fig. 7 is the partial sectional view of discharging mechanism;

Fig. 8 is the vertical view of discharging mechanism;

Fig. 9 is the collet segment structure chart;

Figure 10 is the tailstock structure chart;

Figure 11 is the tailstock structure chart.

The specific embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

Anticipate as shown in the figure, an a kind of automatic feeding device for lathe that is used for the processing of a spool class, it includes lathe body, digital control system and control electronic box, with traditional similarly, its crucial part is to be equipped with on the lathe body feeding mechanism A, clamping mechanism B, discharging mechanism C, wherein:

Feeding mechanism A is installed in the lathe body near on the lateral location of collet segment 2, be convenient to like this axle base part to be processed is loaded in the next door, see Fig. 1,3-5, it includes the frame 16 that feeds intake, feed intake and the cylinder 15 that feeds intake is installed on the frame 16, the outside of cylinder 15 at slide plate 17 feeds intake, the frame 15 that feeds intake is provided with delivery sheet 18 obliquely in the outside of slide plate, binding site at delivery sheet 18 and slide plate 17 has the opening 19 that passes through for L shaped boatswain chair 20, the side of boatswain chair 20 is connected with the lifting piston rod of the cylinder 15 that feeds intake, make the lifting piston rod of the cylinder that feeds intake connect the boatswain chair 20 of going up promotion axle to be processed base part 28, the opposite side of slide plate 17 is connected with deflector chute 22 by window 21, the mechanical arm 23 that cooperation is arranged below deflector chute 22, mechanical arm 23 inner ends are provided with jump ring piece 24 with pivot pin, jump ring piece 24 has drawn jump ring with mechanical arm 23 inner ends, thereby form the stopper slot 25 that cooperates with spindle unit to be processed, accordingly, mechanical arm 23 inner ends are provided with inductor 26, the output of inductor 26 is connected to the PLC controller, mechanical arm 23 inner ends are connected with the piston rod of pusher cylinder 7, like this, in case axle base part 28 to be processed is fallen in the stopper slot 25 of mechanical arm inner end, the PLC controller just can detect, and, axle to be processed base part by the chuck of lathe on the clamping after, jump ring piece 24 stressed can upsets, can not hook axle base part to be processed and not put, mechanical arm 23 can level be withdrawn;

Clamping mechanism B comprises lathe body collet segment 2, see Fig. 1,6,9-11, collet segment 2 includes three-jaw chuck 2a and the base of the carrier head 42 that general numerically controlled lathe has, motor 1 drives and connects chuck 2a, and, chuck axis 2b is connected with the piston rod of chuck cylinder 4, three-jaw chuck tiltedly carve mechanism and traditional similar, improvements are also to be supported with flexible member such as spring 43 between chuck axis 2b and lathe body or the chuck cylinder, after a base part is processed, in case thimble 42 breaks away from, axle base part to be processed is jumped out under the resiliency urged of flexible member automatically, its process is such, after finger feed puts in place, the thimble of tailstock withstands a base part, the axle base part at major axes orientation to left movement and the spring of lathe spindle inside is shortened under pressure, after machining, tailstock retreats, the chuck cylinder moves ahead, and makes tiltedly to carve radially outward movment of mechanism, and three-jaw opens, the axle base part moves right at spring thrust effect lower edge major axes orientation, after breaking away from the main shaft scope, freely falling body under the gravity effect drops on the pallet of material receiving mechanism.Tailstock 41 is installed on the anterior locations of lathe body collet segment 2, thimble 42 on the tailstock 41 is connected with the piston rod of liftout cylinder 6, the locking member 14a that is used for locking thimble is connected with the piston rod of tailstock locking cylinder 14, locking member 14a is stuck among the other draw-in groove 42b of tailstock thimble axle 42a, locks tailstock thimble axle 42a;

Discharging mechanism C is installed in the lathe body near on the position, another side of collet segment 2, see Fig. 7-8, carriage 26 inner ends that connect material are the guides 27 that are positioned at collet segment center line below, guide 27 is two guide posts, layout is connected on the position, both sides of the edge of the carriage 26 that connects material, and is convenient to metal fragment and leaks down, and carriage 26 outer ends that connect material are in the Turnover Box top position, be connected with the piston rod of the cylinder 5 that connects material below the carriage 26 that connects material in the discharging mechanism

PLC controller in the digital control system connects the electromagnetic steering valve 11 of each control cylinder action.Each cylinder is connected with electromagnetic steering valve 11 by adjustable flow-limiting valve 12,13.Specifically see the schematic diagram of Fig. 1, wherein, label is, 1, motor, 2, collet segment, 3, lathe base portion, 4, chuck cylinder, 5, the cylinder that connects material, 6, the liftout cylinder, 7, the pusher cylinder, 8, feed screw mandrel combination, 9, the combination of feed screw mandrel, 10, lathe saddle, 11, electromagnetic steering valve, 12, adjustable flow-limiting valve, 13, adjustable flow-limiting valve, 14, the tailstock locking cylinder, 15, cylinder feeds intake.

The mechanical action flow process sees the PLC control flow chart for details, is Fig. 2:

1. the cylinder that feeds intake feeds intake;

2. the charging cylinder forward;

3. the pusher cylinder stretches out pusher;

4. tailstock clamping cylinder clamps tailstock;

5. the chuck cylinder chuck that resets tightens up, and clamps spindle unit to be processed;

6. the charging cylinder resets;

7. machine motor starts;

8. automatic machining;

9. machine motor stops soon;

10. the cylinder that connects material moves ahead;

11. the tailstock locking cylinder upwards resets;

12. the pusher cylinder resets;

Unclamp chuck and eject the processing rear axle part 13. the chuck cylinder moves ahead;

Carriage is caught processing rear axle base part 14. connect material, and the cylinder that connects material resets;

Thereby finish a process.

Claims

1, a kind of automatic feeding device for lathe of class processing that is used for, it includes lathe body, digital control system and control electronic box, it is characterized in that being equipped with on the lathe body feeding mechanism, clamping mechanism, discharging mechanism, wherein:

2, automatic feeding device for lathe according to claim 1, it is characterized in that the described frame that feeds intake is provided with delivery sheet obliquely in the outside of slide plate, binding site at delivery sheet and slide plate has the opening that passes through for L shaped boatswain chair, and the side of boatswain chair is connected with lifting piston rod.

3, automatic feeding device for lathe according to claim 1, it is characterized in that described collet segment includes three-jaw chuck and base of the carrier head, Motor Drive connects the chuck axis, and, the chuck axis is connected with the piston rod of chuck cylinder, is supported with flexible member between chuck axis and the lathe body.

4, automatic feeding device for lathe according to claim 1, it is characterized in that being connected with the piston rod of the cylinder that connects material below the carriage that connects material in the described discharging mechanism, guide is that two guide posts layouts are connected on the position, both sides of the edge of the carriage that connects material.

5, automatic feeding device for lathe according to claim 1 is characterized in that described mechanical arm inner end is provided with the jump ring piece with pivot pin, and jump ring has been drawn in jump ring piece and mechanical arm inner end, thereby forms stopper slot.

6, automatic feeding device for lathe according to claim 1 is characterized in that described mechanical arm inner end is provided with inductor, and the output of inductor is connected to the PLC controller.

7, according to any described automatic feeding device for lathe of claim of claim 1 to 6, it is characterized in that described each cylinder is connected with electromagnetic steering valve by adjustable flow-limiting valve.