CN215468121U

CN215468121U - Numerical control lathe

Info

Publication number: CN215468121U
Application number: CN202121265144.1U
Authority: CN
Inventors: 吴金辉; 苏为旭
Original assignee: Zhejiang Jingdun Technology Co ltd
Current assignee: Zhejiang Jingdun Technology Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2022-01-11
Anticipated expiration: 2031-06-07

Abstract

The utility model provides a numerical control lathe, and belongs to the technical field of machine tools. It has solved the not enough scheduling problem of current lathe job stabilization nature. This numerical control lathe includes the lathe bed, the dustcoat, the headstock, the planker slide rail, the tailstock slide rail, be equipped with the planker subassembly on the planker slide rail, be equipped with the tailstock on the tailstock slide rail, it covers the left baffle in planker slide rail top to link firmly on the left end of planker subassembly, the front end of left baffle is buckled downwards and is formed first blend stop, link firmly the telescopic cover that covers on the tailstock slide rail on the tailstock, the rear end of telescopic cover is buckled upwards and is formed the second blend stop, the front end of telescopic cover has downward convex preceding blend stop edge, be provided with the intermediate plate between telescopic cover and the left baffle, the below of intermediate plate stacks and is fixed with the additional plate, the rear end of intermediate plate is buckled upwards and is formed the third blend stop, the rear of first blend stop is inserted to the third blend stop, the front end of additional plate is buckled downwards and is formed the fourth blend stop, the place ahead of second blend stop is inserted to the fourth blend stop. This numerical control lathe has improved the stability of work.

Description

Numerical control lathe

Technical Field

The utility model belongs to the technical field of machine tools, and relates to a numerical control lathe.

Background

A machine tool is an apparatus that machines a workpiece. The lathe is a machine tool for turning a rotating workpiece by mainly using a lathe tool, and comprises a lathe body, a spindle box, a carriage assembly, a lathe tool rest and the like, wherein the spindle box and the carriage assembly are oppositely arranged on the lathe body, and the lathe tool rest is fixed on the carriage assembly. A rotatable main shaft is arranged in the main shaft box, a clamp is fixedly connected to the right end of the main shaft, and a turning tool is fixed on a turning tool rest. When a workpiece is machined, the workpiece is placed on the clamp and clamped, then the main shaft rotates to drive the workpiece to rotate, the carriage assembly drives the turning tool to move and approach the workpiece, and the turning tool contacts the workpiece to perform turning machining on the workpiece.

For example, a multi-station numerically controlled lathe (application number: CN 201710954157.1; publication number: CN107571033A ], which comprises a lathe base, wherein the lathe base is provided with a spindle box, the end of the spindle box is provided with a processing spindle, the lathe base is further provided with a support base opposite to the spindle box, the support base is provided with an inclined support surface, the support surface is provided with a cross-shaped workbench, and a movable sliding plate of the cross-shaped workbench is provided with a multi-station servo tool turret. The bearing surface is provided with a sliding guide rail, a sliding seat is arranged on the sliding guide rail, and a hydraulic tailstock center opposite to the processing main shaft is arranged on the sliding seat.

The slide guide rail is not provided with a protection device, chips generated by lathe cutting easily enter between the slide guide rail and the slide seat to cause the slide seat to be blocked and deadly, so that the movement of the hydraulic tailstock is influenced, and the working stability of the lathe is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a numerical control lathe aiming at the problems in the prior art, and solves the technical problem of how to improve the working stability of the lathe.

The purpose of the utility model can be realized by the following technical scheme:

a numerical control lathe comprises a lathe body and an outer cover, wherein a spindle box is fixedly connected to the upper surface of the left end of the lathe body, a carriage slide rail and a tailstock slide rail are arranged on the upper surface of the lathe body and located on the right side of the spindle box, the tailstock slide rail is located in front of the carriage slide rail, a movable carriage assembly is arranged on the carriage slide rail, a movable tailstock is arranged on the tailstock slide rail, a cutter tower is mounted on the carriage assembly, a chip collecting groove is formed in the upper surface of the lathe body and located in front of the tailstock slide rail, the outer cover is fixed to the upper surface of the lathe body, the spindle box, the carriage assembly and the tailstock are all located in the outer cover, the numerical control lathe is characterized in that a left baffle plate covering the upper portion of the carriage slide rail is fixedly connected to the left end of the carriage assembly, the front end of the left baffle plate is bent downwards to form a first baffle bar, and the rear end of the left baffle plate is bent upwards to form a bent portion, the front end of the left baffle plate is fixed on a front side plate of the outer cover, the upper end of the left baffle plate is fixed on a top plate of the outer cover, the rear end of the left baffle plate is closely attached to the left baffle plate, the tailstock is fixedly connected with a telescopic cover covering the tailstock slide rail, the rear end of the telescopic cover is bent upwards to form a second baffle strip, the front end of the telescopic cover is provided with a front baffle edge protruding downwards, the left end of the telescopic cover is fixed on the left baffle plate, the right end of the telescopic cover is fixed on a right side plate of the outer cover, an intermediate plate is arranged between the telescopic cover and the left baffle plate, additional plates are stacked and fixed below the intermediate plate, the left end of the intermediate plate and the left end of the additional plates are fixed on the left baffle plate, and the right end of the intermediate plate and the right end of the additional plates extend to the right side plate of the outer cover, the rear end of the middle plate is bent upwards to form a third barrier strip, the third barrier strip is inserted behind the first barrier strip, the front end of the additional plate is bent downwards to form a fourth barrier strip, and the fourth barrier strip is inserted in front of the second barrier strip.

The left partition plate separates a spindle box mounting area from a turning area, so that the chips are prevented from interfering with parts related to the spindle box, and the parts related to the spindle box work stably. The left baffle has a protection effect on the carriage slide rail, so that cutting scraps are prevented from entering between the carriage slide rail and the carriage assembly, and the carriage assembly slides stably on the carriage slide rail. The telescopic cover has a protection effect on the tailstock slide rail, so that cutting chips are prevented from entering between the tailstock slide rail and the tailstock, and the tailstock slides stably on the tailstock slide rail. The middle plate and the additional plate seal a gap between the left baffle and the telescopic cover, and by utilizing a labyrinth structure formed between the first barrier strip and the third barrier strip and a labyrinth structure formed between the second barrier strip and the fourth barrier strip, cuttings are further prevented from entering the carriage slide rail and the tailstock slide rail, so that the carriage assembly is stable in sliding on the carriage slide rail, and the tailstock is stable in sliding on the tailstock slide rail. And moreover, the middle plate and the additional plate are fixedly stacked, so that the front and back positions of the third barrier strip and the fourth barrier strip are adjustable, and therefore suitable movable gaps are formed between the first barrier strip and the third barrier strip and between the second barrier strip and the fourth barrier strip, the left baffle is prevented from being interfered by the middle plate, the left baffle is enabled to slide smoothly along with the planker assembly, the telescopic cover is prevented from being interfered by the additional plate, and the telescopic cover slides smoothly along with the tailstock. Therefore, the numerical control lathe improves the working stability.

In the numerical control lathe, a transition plate is connected between the left end of the telescopic cover and the lower end of the left partition plate, and the rear end of the transition plate is fixed with the middle plate. The gap between the left partition plate and the telescopic cover is sealed by the transition plate, so that cutting scraps are prevented from entering between the tailstock slide rail and the tailstock, the tailstock slides stably on the tailstock slide rail, and the lathe works stably.

In the numerically controlled lathe, a rear groove baffle is fixed in the chip collecting groove, and the upper end of the rear groove baffle is inserted between the front baffle edge and the tailstock slide rail. The back groove baffle can further shield the front side of the tailstock slide rail, so that the working stability of the lathe is further improved.

In the numerical control lathe, a rotatable spindle is arranged in the spindle box, the right end of the spindle penetrates through the left partition plate and is fixedly connected with a clamp, and a protective cover covering the clamp is fixed on the left partition plate. The guard shield has the guard action, prevents that the smear metal from entering into the gap department between anchor clamps and the left baffle to make anchor clamps rotate stably, be favorable to guaranteeing lathe processing's stability.

In the above numerically controlled lathe, the upper surface of the left end of the lathe bed is provided with an inclined surface which is inclined to the right, the inclined surface is provided with a convex mounting seat, the spindle box is fixed on the mounting seat, a left groove baffle is fixed in the chip collecting groove, a gap is formed between the left groove baffle and the left side surface of the chip collecting groove, and the inclined surface extends to the gap.

In case there is cutting fluid to enter into the installation space of headstock from the clearance between left baffle and the anchor clamps, the cutting fluid can flow into in the collection bits groove through inclined plane and clearance and discharge, avoids headstock department to take place the lathe stability reduction that the hydrops leads to, is favorable to guaranteeing the stability of lathe work.

In the numerical control lathe, a right partition plate is fixed at the right end of the turret, a piano plate is connected between the right partition plate and a right side plate of the outer cover, a convex baffle boss is arranged at the lower end of the piano plate, and the third baffle strip is inserted behind the baffle boss. The right partition plate and the piano plate have a protection effect on the carriage slide rail on the right side of the carriage assembly, so that cutting scraps are prevented from entering between the carriage slide rail and the carriage assembly from the right side of the carriage assembly, the carriage assembly slides stably on the carriage slide rail, and the working stability of the lathe is improved.

In the above numerically controlled lathe, a cross beam is fixed on the top plate of the outer cover, the upper end of the bent portion extends to the cross beam, a groove body arranged in the left-right direction is formed in the lower surface of the cross beam, and the upper end of the piano plate is located in a groove of the groove body. Therefore, the carriage slide rail can be further protected, and the working stability of the lathe can be ensured.

Compared with the prior art, the utility model has the following advantages:

set up left baffle, flexible cover, left baffle, intermediate lamella and additional plate, make first blend stop and third blend stop cooperation simultaneously, second blend stop and fourth blend stop cooperation have protected the slipper block slide rail and tailstock slide rail, have improved the stability of lathe work. The transition plate and the rear groove baffle are arranged to further protect the tailstock slide rail, and the left groove baffle and the gap are arranged to keep the spindle box clean, so that the lathe can work stably.

Drawings

FIG. 1 is a perspective view of the present numerically controlled lathe;

FIG. 2 is a perspective view of the numerically controlled lathe with the cover hidden;

FIG. 3 is a cross-sectional view of the numerical control lathe showing the positions of the left baffle, the middle plate, the additional plate, the telescopic cover and the rear groove baffle.

FIG. 4 is a sectional view of the numerically controlled lathe after the housing is hidden;

fig. 5 is an enlarged view at a in fig. 4.

In the figure, 1, a lathe bed; 1a, an inclined surface; 1c, a mounting seat; 2. a housing; 2a, a cross beam; 2b, a groove body; 3. a main spindle box; 4. a carriage slide rail; 5. a tailstock slide rail; 6. a carriage assembly; 7. a tailstock; 8. a turret; 9. a chip collecting groove; 10. a left trough baffle; 11. a gap; 12. a left baffle; 12a, a bending part; 12b, a first barrier strip; 13. a left baffle plate; 14. a clamp; 15. a shield; 16. a right baffle plate; 17. a piano plate; 17a, a blocking protrusion; 18. a telescopic cover; 18a, a second stop bar; 18b, a front blocking edge; 19. a transition plate; 20. a middle plate; 20a, a third bar; 21. an additional plate; 21a, a fourth barrier strip; 22. a back channel baffle.

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.

Example one

As shown in fig. 1 to 5, a numerically controlled lathe includes a lathe bed 1 and an outer cover 2, a headstock 3 is fixedly connected to an upper surface of a left end of the lathe bed 1, a carriage slide rail 4 and a tailstock slide rail 5 are arranged on the upper surface of the lathe bed 1 and located on a right side of the headstock 3, the tailstock slide rail 5 is located in front of the carriage slide rail 4, a movable carriage assembly 6 is arranged on the carriage slide rail 4, a movable tailstock 7 is arranged on the tailstock slide rail 5, and a turret 8 is mounted on the carriage assembly 6. A chip collecting groove 9 is formed in the upper surface of the lathe body 1 in front of the tailstock slide rail 5, and chip removing holes are formed in the bottom surface of the chip collecting groove 9. The outer cover 2 is fixed on the upper surface of the lathe bed 1, the spindle box 3, the carriage assembly 6 and the tailstock 7 are all positioned in the outer cover 2, and a beam 2a extending in the left-right direction is fixed on a top plate of the outer cover 2. The upper surface of the left end of the lathe bed 1 is provided with an inclined surface 1a inclined towards the right, the inclined surface 1a is provided with a convex mounting seat 1c, the spindle box 3 is fixed on the mounting seat 1c, and a left groove baffle plate 10 is fixed in the scrap collecting groove 9. A gap 11 is formed between the left groove baffle 10 and the left side surface of the chip collecting groove 9, and the inclined surface 1a extends to the gap 11.

The carriage assembly 6 comprises a lower carriage capable of sliding on the carriage slide rail 4 in the left-right direction, an upper carriage capable of sliding in the front-back direction is arranged on the lower carriage, and the turret 8 is fixed on the upper carriage. The left end of the lower carriage is fixedly connected with a left baffle 12 covering the carriage slide rail 4, the front end of the left baffle 12 is bent downwards to form a first barrier strip 12b, the rear end of the left baffle 12 is bent upwards to form a bent part 12a, and the upper end of the bent part 12a extends to the cross beam 2 a. Fixedly connected with is located the left baffle 13 between headstock 3 and tailstock slide rail 5 in dustcoat 2, and left baffle 13 extends and vertical setting along the fore-and-aft direction. The front end of the left partition plate 13 is fixed on the front side plate of the outer cover 2, the upper end of the left partition plate 13 is fixed on the top plate of the outer cover 2, the rear end of the left partition plate 13 is fixed with a sealing strip, the sealing strip is attached to the left baffle plate 12 in a sealing mode, and the upper end of the left groove baffle plate 10 is fixed with the lower end of the left partition plate 13. The spindle box 3 is internally provided with a rotatable spindle, the right end of the spindle penetrates through a left partition plate 13 and is fixedly connected with a clamp 14, and a protective cover 15 covering the clamp 14 is fixed on the left partition plate 13. The right end of the turret 8 is fixed with a right baffle 16, the right baffle 16 extends along the front-back direction and is vertically arranged, and a door opening for the tailstock 7 to pass through is formed in the right baffle 16. A piano plate 17 is connected between the right partition 16 and the right side plate of the outer cover 2, and the piano plate 17 extends in the left-right direction and is vertically arranged. The lower surface of the beam 2a is provided with a groove body 2b arranged along the left-right direction, and the upper end of the organ plate 17 is positioned in the groove of the groove body 2 b. The lower end of the piano plate 17 is provided with a convex block protrusion 17a, and the block protrusion 17a is positioned in front of the carriage slide rail 4.

A telescopic cover 18 covering the tailstock slide rail 5 is fixedly connected to the tailstock 7, and reference is made to patent document No. CN201744898U for a telescopic structure of the telescopic cover 18. The left end of the telescopic cover 18 is fixed on the left partition plate 13, a transition plate 19 is connected between the left end of the telescopic cover 18 and the lower end of the left partition plate 13, and the right end of the telescopic cover 18 is fixed on the right side plate of the outer cover 2. The rear end of the telescopic cover 18 is bent upwards to form a second stop strip 18a, and the front end of the telescopic cover 18 is provided with a front stop edge 18b protruding downwards. An intermediate plate 20 is arranged between the telescopic cover 18 and the left baffle plate 12, an additional plate 21 is stacked and fixed below the intermediate plate 20, the left end of the intermediate plate 20 and the left end of the additional plate 21 are fixed on the left partition plate 13, and the right end of the intermediate plate 20 and the right end of the additional plate 21 extend to the right side plate of the outer cover 2. The rear end of the middle plate 20 is bent upward to form a third bar 20a, the left side of the third bar 20a is inserted behind the first bar 12b, and the right side of the third bar 20a is inserted behind the stop protrusion 17 a. The front end of the additional plate 21 is bent downward to form a fourth bar 21a, and the fourth bar 21a is inserted in front of the second bar 18 a. The front and back positions of the middle plate 20 and the additional plate 21 are adjustable, the middle plate 20 and the additional plate 21 are fixed through screws, and the screws penetrate through the middle plate 20 and the additional plate 21 and are in threaded connection with the lathe bed 1. The rear end of the transition plate 19 is fixed with the middle plate 20, and the front end of the transition plate 19 is fixed with the left groove baffle plate 10. A back groove baffle 22 is fixed in the chip collecting groove 9, and the upper end of the back groove baffle 22 is inserted between the front baffle edge 18b and the tailstock slide rail 5.

The left partition plate 13 separates the mounting area of the spindle head 3 from the turning area, and prevents chips from interfering with parts related to the spindle head 3, thereby stabilizing the operation of the parts related to the spindle head 3. The left baffle 12 has a protection effect on the carriage slide rail 4, so that cutting scraps are prevented from entering between the carriage slide rail 4 and the carriage assembly 6, and the carriage assembly 6 slides stably on the carriage slide rail 4. The telescopic cover 18 has a protective effect on the tailstock slide rail 5, so that cutting chips are prevented from entering between the tailstock slide rail 5 and the tailstock 7, and the tailstock 7 slides stably on the tailstock slide rail 5. The middle plate 20 and the additional plate 21 close a gap between the left baffle 12 and the telescopic cover 18, and further prevent chips from entering the carriage slide rail 4 and the tailstock slide rail 5 by using a labyrinth structure formed between the first baffle 12b and the third baffle and a labyrinth structure formed between the second baffle and the fourth baffle, so that the carriage assembly 6 is further stably slid on the carriage slide rail 4, and the tailstock 7 is stably slid on the tailstock slide rail 5. Moreover, the middle plate 20 and the additional plate 21 are stacked and fixed, so that the front and rear positions of the third barrier strip 20a and the fourth barrier strip 21a are adjustable, and therefore, proper movable gaps 11 are formed between the first barrier strip 12b and the third barrier strip 20a and between the second barrier strip 18a and the fourth barrier strip 21a, interference of the left barrier 12 by the middle plate 20 is avoided, the left barrier 12 can smoothly slide along with the carriage assembly 6, interference of the telescopic cover 18 by the additional plate 21 is avoided, and the telescopic cover 18 can smoothly slide along with the tailstock 7. Therefore, the numerical control lathe improves the working stability.

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.

Claims

1. A numerical control lathe comprises a lathe body (1) and an outer cover (2), wherein a spindle box (3) is fixedly connected to the upper surface of the left end of the lathe body (1), a carriage slide rail (4) and a tailstock slide rail (5) are arranged on the upper surface of the lathe body (1) and located on the right side of the spindle box (3), the tailstock slide rail (5) is located in front of the carriage slide rail (4), a movable carriage assembly (6) is arranged on the carriage slide rail (4), a movable tailstock (7) is arranged on the tailstock slide rail (5), a cutter tower (8) is mounted on the carriage assembly (6), a chip collecting groove (9) is formed in front of the tailstock slide rail (5) and located on the upper surface of the lathe body (1), the outer cover (2) is fixed to the upper surface of the lathe body (1), and the spindle box (3), the carriage assembly (6) and the tailstock (7) are located in the outer cover (2), the tailstock structure is characterized in that a left baffle (12) covering the carriage slide rail (4) is fixedly connected to the left end of the carriage assembly (6), the front end of the left baffle (12) is bent downwards to form a first baffle strip (12b), the rear end of the left baffle (12) is bent upwards to form a bent part (12a), a left partition plate (13) positioned between a spindle box (3) and the tailstock slide rail (5) is fixedly connected to the inside of the outer cover (2), the front end of the left partition plate (13) is fixed to the front side plate of the outer cover (2), the upper end of the left partition plate (13) is fixed to the top plate of the outer cover (2), the rear end of the left partition plate (13) is closely attached to the left baffle (12), a telescopic cover (18) covering the tailstock slide rail (5) is fixedly connected to the tailstock (7), and the rear end of the telescopic cover (18) is bent upwards to form a second baffle strip (18a), the front end of the telescopic cover (18) is provided with a front baffle edge (18b) protruding downwards, the left end of the telescopic cover (18) is fixed on the left partition plate (13), the right end of the telescopic cover (18) is fixed on the right side plate of the outer cover (2), an intermediate plate (20) is arranged between the telescopic cover (18) and the left baffle plate (12), an additional plate (21) is stacked and fixed below the intermediate plate (20), the left end of the intermediate plate (20) and the left end of the additional plate (21) are both fixed on the left partition plate (13), the right end of the intermediate plate (20) and the right end of the additional plate (21) both extend to the right side plate of the outer cover (2), the rear end of the intermediate plate (20) is bent upwards to form a third baffle strip (20a), the third baffle strip (20a) is inserted behind the first baffle strip (12b), and the front end of the additional plate (21) is bent downwards to form a fourth baffle strip (21a), the fourth bar (21a) is inserted in front of the second bar (18 a).

2. The numerically controlled lathe according to claim 1, characterized in that a transition plate (19) is connected between the left end of the telescopic cover (18) and the lower end of the left partition plate (13), and the rear end of the transition plate (19) is fixed to the intermediate plate (20).

3. The numerically controlled lathe according to claim 1, characterized in that a back groove baffle (22) is fixed inside the chip collecting groove (9), and the upper end of the back groove baffle (22) is inserted between the front stop edge (18b) and the tailstock slide rail (5).

4. The numerically controlled lathe according to any one of claims 1 to 3, wherein a rotatable spindle is provided in the headstock (3), the right end of the spindle passes through the left partition plate (13) and is fixedly connected with a clamp (14), and a shield (15) covering the clamp (14) is fixed on the left partition plate (13).

5. The numerically controlled lathe according to any one of claims 1 to 3, wherein the upper surface of the left end of the lathe bed (1) is provided with an inclined surface (1a) which is inclined to the right, the inclined surface (1a) is provided with a convex mounting seat (1c), the headstock (3) is fixed on the mounting seat (1c), a left groove baffle (10) is fixed in the chip collecting groove (9), a gap (11) is formed between the left groove baffle (10) and the left side surface of the chip collecting groove (9), and the inclined surface (1a) extends to the gap (11).

6. The numerically controlled lathe according to any one of claims 1 to 3, wherein a right partition plate (16) is fixed to the right end of the turret (8), a piano plate (17) is connected between the right partition plate (16) and the right side plate of the housing (2), a convex baffle boss (17a) is provided at the lower end of the piano plate (17), and the third baffle bar (20a) is inserted behind the baffle boss (17 a).

7. The numerically controlled lathe according to claim 6, wherein a cross beam (2a) is fixed to a top plate of the housing (2), an upper end of the bent portion (12a) extends to the cross beam (2a), a groove body (2b) arranged in the left-right direction is formed in a lower surface of the cross beam (2a), and an upper end of the piano plate (17) is located in a groove of the groove body (2 b).