CN216966297U - Lathe with double-end centre gripping and track slidable - Google Patents

Abstract

The utility model relates to the field of lathes, in particular to a lathe with double-head clamping and a slidable track, which comprises a bedstead, wherein a slide rail is arranged on the top surface of the bedstead, a driving assembly is arranged on the side edge of the bedstead, the slide rail is connected with a headstock in a sliding manner, an internally-through shaft tube rotates in the headstock, chucks are arranged at two ends of the shaft tube, a rotating motor is arranged in the headstock and is connected with the shaft tube through a gear.

Description

Lathe with double-end centre gripping and track slidable

Technical Field

The utility model relates to the field of lathes, in particular to a lathe with double-head clamping and a slidable track.

Background

The lathe is one of the most common processing devices in the current mechanical processing, turning processing is carried out on a rotating workpiece through different cutters, the processed workpiece is arranged on a clamping component of a main spindle box, and then the positions of the rotating workpiece and the cutters are digitally controlled to realize adjustment processing.

The prior patent document CN2222578Y discloses a novel lathe, which has the characteristics of simple operation, high efficiency and safety.

The existing lathe fixes a workpiece by clamping a clamping jaw at the end of the workpiece, and the stage between a clamping part of the workpiece and a cutter is a processed stage, but the maximum clearance between the clamping part of the lathe and the cutter is limited, so that the lathe cannot adapt to the processing of longer workpieces.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the following problems in the prior art: the existing lathe fixes a workpiece by clamping a clamping jaw at the end of the workpiece, and the stage between a clamping part of the workpiece and a cutter is a processed stage, but the maximum clearance between the clamping part of the lathe and the cutter is limited, so that the lathe cannot adapt to the processing of longer workpieces.

In order to solve the problems in the prior art, the utility model provides a lathe with double-head clamping and a slidable track, which comprises a bedstead, wherein a slide rail is arranged on the top surface of the bedstead, a driving assembly is arranged on the side edge of the bedstead, the slide rail is connected with a headstock in a sliding manner, a shaft tube with a through inner part is rotated in the headstock, chucks are arranged at two ends of the shaft tube, a rotating motor is arranged in the headstock, the rotating motor is connected with the shaft tube through a gear, a workpiece penetrates through the shaft tube, the shaft tube is limited and fixed through the chucks, the shaft tube is driven to rotate and process the workpiece through the rotation of the motor, and a longer workpiece penetrates through the shaft tube to realize staged adjustment and processing.

Preferably, the bottom of the headstock is provided with a seat plate in a sliding manner, the seat plate is connected with the sliding rail in a sliding manner, the side face of the seat plate is provided with a screw rod in a rotating manner, the screw rod is in threaded connection with the headstock, and the headstock slides on the surface of the seat plate by rotating the screw rod and is used for transverse alignment of a workpiece.

Preferably, the driving assembly comprises a driving motor, the driving motor is installed at one end of the bed frame, a lead screw is fixed at the shaft end of the driving motor, the lead screw penetrates through the seat plate in a threaded manner, the driving motor is started to drive the lead screw to rotate, and the seat plate drives the headstock to move linearly for processing and feeding of workpieces.

Preferably, a tailstock is fixed at one end of the bed frame, the sliding rail is connected with a square tool rest in a sliding manner, and the tailstock and the square tool rest are used for mounting a machining tool.

Preferably, the central siphon comprises two concentric shaft barrels that set up, and is two sets of the shaft barrel rotates with the headstock and is connected, has seted up the cavity in the headstock, and is two sets of the tip that the shaft barrel is located the cavity contactless, and the surface of shaft barrel is provided with the gear, rotate the motor and pass through one of them shaft barrel of gear connection, the top of cavity slides and is provided with the axle block, and the surface of axle block rotates has the cross axle, and the both ends of cross axle are fixed with the gear that corresponds with shaft barrel surface gear, and the screw rod is installed to the outside screw thread of headstock, and the screw rod rotates with the axle block to be connected, rotates the screw rod and makes the axle block drive the cross axle move down, and gear engagement makes two sets of shaft barrels connect integratively for alternate longer work piece processing, when processing short work piece, move up screw rod and axle block, make gear connection break, only need a shaft barrel be driven rotatory can.

Preferably, slide rail sliding connection has and bears the frame, bears the frame and includes the bottom block, bottom block and slide rail sliding connection, and slider and spout slidable mounting have a support at the top of bottom block, and the inside rotation of bottom block installs the lead screw, lead screw and support threaded connection, the support top is fixed with the spacing ring, be provided with rotating device in the spacing ring, the non-processing position of longer work piece passes the spacing ring and passes through rotating device rotary support for to the bearing of work piece great span, rotate the lead screw and make the support at bottom block surface lateral shifting, be used for adjusting the counterpoint of rotating device and central siphon, avoid the work piece to warp and lead to the machining precision to reduce.

Preferably, the rotating device comprises a bearing, a plurality of groups of screws are uniformly inserted into the surface of the limiting ring, the bearing is placed on the inner side of the limiting ring, the screws are in extrusion contact with the outer ring of the bearing, a workpiece penetrates through the bearing, the rotating friction force of the workpiece during supporting is greatly reduced, and the bearings of different sizes can be replaced by loosening the screws, so that the workpieces of different sizes can be machined.

Preferably, the rotating device comprises a roller, a stud is installed on the surface of the limiting ring in a uniform threaded mode, a U-shaped frame is installed on the end portion, located on the inner side of the limiting ring, of the stud in a rotating mode, the roller is installed in the U-shaped frame in a rotating mode, a limiting rod is fixed to the surface of the U-shaped frame, the limiting rod is connected with the limiting ring in a sliding mode in an inserting mode, the position of the U-shaped frame is adjusted by rotating the stud, the roller is in adaptive contact with a workpiece, and the stud is used for rotatably supporting the workpiece.

Compared with the related art, the lathe with double-head clamping and the slidable track has the following beneficial effects:

the limiting device has the advantages that the limiting workpiece is inserted into the shaft tube which is through inside, the supporting device is matched with the bearing frame to assist in supporting the non-machining position of the workpiece, the workpiece which exceeds the length of the bedstead can be machined by the device, the application range of the device is enlarged, and the problem that the longer workpiece is inconvenient to be turned is effectively solved.

Drawings

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

FIG. 2 is a schematic view of the connection structure of the headstock and the seat plate according to the present invention;

FIG. 3 is a schematic view of the construction of the axle tube of the present invention;

FIG. 4 is a schematic view of a rotating device according to the present invention;

fig. 5 is a second schematic structural diagram of the rotating device of the present invention.

Reference numbers in the figures: 1. a bed frame; 2. a slide rail; 3. a seat plate; 4. a lead screw; 5. an axle tube; 6. a carrier; 61. a support; 62. a limiting ring; 63. a bearing; 64. a roller; 65. a limiting rod; 66. a bottom block; 7. a drive motor; 8. a screw rod; 9. rotating the motor; 10. a cavity; 11. a screw; 12. a shaft block; 13. the horizontal axis.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

Example one

As shown in fig. 1 to 4, a lathe with double-head clamping and rail sliding is assembled by the following components:

assembly description: fixing a slide rail 2 on the top surface of a bedstead 1, installing a seat plate 3 on the surface of the slide rail 2 in a sliding manner, sliding a headstock on the surface of the seat plate 3 in a matching manner, rotating a lead screw 8 to penetrate through the side edge of the seat plate 3 to be connected with the headstock in a threaded manner, installing a driving motor 7 on the end part of the bedstead 1, fixing the lead screw 4 at the shaft end of the bedstead, penetrating the lead screw 4 in a threaded manner through the seat plate 3, fixing a tailstock on the end part of the bedstead 1, installing a square tool rest on the surface of the slide rail 2 in a sliding manner, installing a bottom block 66 on the other side of the slide rail 2 in a sliding manner, forming a sliding groove on the top surface of the bottom block 66, rotating the lead screw penetrating through the sliding groove in the bottom block 66, fixing a sliding block at the bottom of a bracket 61 and connecting with the sliding groove in a sliding manner, connecting the lead screw with the bracket 61 in a threaded manner, welding a limit ring 62 on the top of the bracket 61, placing a bearing 63 in the limit ring 62, installing a plurality of groups of screws on the surface of the limit ring 62 in an equiangular thread manner, and extruding contact with the bearing 63, the inside of the headstock is provided with a cavity 10, two shaft cylinders are rotatably penetrated into the cavity 10 from two sides of the headstock and are not contacted, a rotating motor 9 is arranged inside the headstock and is meshed with one shaft cylinder through a gear set, a screw 11 is screwed into the cavity 10, a shaft block 12 is slidably inserted into the top of the cavity 10 and is rotatably connected with the screw 11, a transverse shaft 13 is rotatably penetrated through the shaft block 12, gears are fixed at two ends of the transverse shaft 13, and the two gears are correspondingly meshed with gears on the surface of the shaft tube 5.

The working principle is as follows: the workpiece penetrates through the shaft tube 5 and is limited and fixed through the chuck, the screw rod 11 is rotated to enable the shaft block 12 to drive the transverse shaft 13 to move downwards, the two groups of shaft tubes are connected into a whole through gear meshing, the non-machining position of the longer workpiece penetrates through the limiting ring 62 and is rotatably supported through the bearing 63, the support 61 is enabled to transversely move on the surface of the bottom block 66 through the rotation of the screw rod, the rotation device is adjusted to be aligned with the shaft tube 5, the rotation motor 9 is started to drive the shaft tube 5 to drive the workpiece to rotate and machine, and the workpiece is machined through the cutters on the surfaces of the tailstock and the square tool rest.

Example two

As shown in fig. 1-3 and 5, a lathe with double-head clamping and track sliding is assembled by the following components:

assembly description: fixing a slide rail 2 on the top surface of a bedstead 1, slidably mounting a seat plate 3 on the surface of the slide rail 2, sliding a headstock in a manner of adapting to the surface of the seat plate 3, rotatably penetrating a screw rod 8 through the side edge of the seat plate 3 to be in threaded connection with the headstock, mounting a driving motor 7 at the end of the bedstead 1, fixing the screw rod 4 at the shaft end thereof, penetrating the screw rod 4 through the seat plate 3, fixing a tailstock at the end of the bedstead 1, slidably mounting a square tool rest on the surface of the slide rail 2, slidably mounting a bottom block 66 at the other side of the slide rail 2, forming a chute on the top surface of the bottom block 66, rotating the screw rod penetrating the chute in the bottom block 66, fixing a slide block at the bottom of a bracket 61 and slidably connecting the chute, connecting the screw rod with the bracket 61 by means of threaded connection, welding a limit ring 62 at the top of the bracket 61, penetrating a plurality of equiangular threads of studs through the limit ring 62, rotatably mounting a U-shaped frame at the inner ends of the studs, and rotatably mounting a roller 64 in the U-shaped frame, fixing a limiting rod 65 on the surface of the U-shaped frame, enabling the limiting rod 65 to penetrate through the limiting ring 62 in a sliding mode, arranging a cavity 10 in the headstock, enabling two shaft cylinders to penetrate into the cavity 10 in a rotating mode from two sides of the headstock in a non-contact mode, installing a rotating motor 9 in the headstock and in meshed connection with one shaft cylinder through a gear set, enabling screw threads of a screw rod 11 to penetrate into the cavity 10, enabling a shaft block 12 to be inserted into the top of the cavity 10 in a sliding mode and in rotary connection with the screw rod 11, enabling a transverse shaft 13 to transversely penetrate through a shaft block 12 in a rotating mode, fixing gears at two ends of the transverse shaft 13, and enabling the two gears to be correspondingly meshed with gears on the surface of a shaft tube 5.

The working principle is as follows: the workpiece penetrates through the shaft tube 5 and is limited and fixed through a chuck, the screw rod 11 is rotated to enable the shaft block 12 to drive the transverse shaft 13 to move downwards, the two groups of shaft tubes are connected into a whole through gear meshing, the non-machining position of a longer workpiece penetrates through the limiting ring 62, the lead screw is rotated to enable the support 61 to transversely move on the surface of the bottom block 66 and be used for adjusting the alignment of the rotating device and the shaft tube 5, the stud is rotated to adjust the position of the U-shaped frame, the roller 64 is in adaptive contact with the workpiece and is used for rotatably supporting the workpiece, the rotating motor 9 is started to drive the shaft tube 5 to drive the workpiece to rotate and machine the workpiece, and the workpiece is machined through cutters on the surfaces of the tail frame and the square tool rest.

Claims (8)

1. The utility model provides a lathe with double-end centre gripping and track slidable, includes bedstead (1), and the top surface of bedstead (1) is provided with slide rail (2), and drive assembly is installed to the side of bedstead (1), and slide rail (2) sliding connection has headstock, its characterized in that, headstock internal rotation have inside central siphon (5) that link up, and the chuck is installed at the both ends of central siphon (5), is provided with in the headstock to rotate motor (9), rotates motor (9) and central siphon (5) and passes through gear connection.

2. The lathe with double-head clamping and rail sliding functions as claimed in claim 1, wherein a seat plate (3) is slidably mounted at the bottom of the headstock, the seat plate (3) is slidably connected with the slide rail (2), a screw rod (8) is rotatably arranged on the side surface of the seat plate (3), and the screw rod (8) is in threaded connection with the headstock.

3. The lathe with double-ended clamping and rail sliding according to claim 2, wherein the driving assembly comprises a driving motor (7), the driving motor (7) is installed at one end of the bed frame (1), a lead screw (4) is fixed at the shaft end of the driving motor (7), and the lead screw (4) penetrates through the seat plate (3) in a threaded mode.

4. The machine with double-head clamping and rail sliding according to claim 1 is characterized in that a tailstock is fixed at one end of the bed frame (1), and a square tool rest is connected with the slide rail (2) in a sliding manner.

5. The lathe with double-head clamping and rail sliding functions as claimed in claim 1, wherein the shaft tube (5) is composed of two concentric shaft tubes, two sets of the shaft tubes are rotatably connected with a headstock, a cavity (10) is formed in the headstock, the ends of the two sets of the shaft tubes, which are located in the cavity (10), are not in contact, gears are arranged on the surfaces of the shaft tubes, the rotating motor (9) is connected with one of the shaft tubes through the gears, a shaft block (12) is slidably arranged on the top of the cavity (10), a transverse shaft (13) is rotatably arranged on the surface of the shaft block (12), gears corresponding to the gears on the surfaces of the shaft tubes are fixed at two ends of the transverse shaft (13), a screw (11) is mounted on the outer thread of the headstock, and the screw (11) is rotatably connected with the shaft block (12).

6. The lathe with double-head clamping and rail sliding functions as claimed in claim 1, wherein the slide rail (2) is slidably connected with the bearing frame (6), the bearing frame (6) comprises a bottom block (66), the bottom block (66) is slidably connected with the slide rail (2), the top of the bottom block (66) is slidably provided with a support (61) through a sliding block and a sliding groove, a lead screw is rotatably arranged in the bottom block (66) and is in threaded connection with the support (61), a limiting ring (62) is fixed to the top of the support (61), and a rotating device is arranged in the limiting ring (62).

7. The lathe with double-ended clamping and rail sliding according to claim 6, wherein the rotating device comprises a bearing (63), a plurality of groups of screws are uniformly inserted into the surface of the limiting ring (62), the bearing (63) is placed on the inner side of the limiting ring (62), and the screws are in pressing contact with the outer ring of the bearing (63).

8. The lathe with the double-ended clamping function and the slidable track as claimed in claim 6, wherein the rotating device comprises a roller (64), a stud is uniformly and threadedly mounted on the surface of the limiting ring (62), a U-shaped frame is rotatably mounted at the end of the stud located on the inner side of the limiting ring (62), the roller (64) is rotatably mounted in the U-shaped frame, a limiting rod (65) is fixed on the surface of the U-shaped frame, and the limiting rod (65) is slidably inserted into the limiting ring (62).

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