CN216989921U

CN216989921U - Lathe with lengthened station double-end chuck

Info

Publication number: CN216989921U
Application number: CN202220032596.3U
Authority: CN
Inventors: 同琛光
Original assignee: Shanghai Tongchen Industrial Co ltd
Current assignee: Shanghai Tongchen Industrial Co ltd
Priority date: 2022-01-07
Filing date: 2022-01-07
Publication date: 2022-07-19
Anticipated expiration: 2032-01-07

Abstract

The utility model relates to the field of lathes, in particular to a lathe with an extended station double-head chuck, which comprises a lathe bed, wherein one end of the lathe bed is provided with a lathe head box, a motor is arranged in the lathe head box, a hollow shaft barrel is rotated in the lathe head box, the shaft barrel is in transmission connection with the motor, clamping handles are rotatably arranged at two ends of the shaft barrel at equal intervals, a pushing and pressing mechanism is arranged at the end part of the shaft barrel, and the pushing and pressing mechanism moves left and right to push the clamping handles to rotate.

Description

Lathe with double-end chuck of extension station

Technical Field

The utility model relates to the field of lathes, in particular to a lathe with a lengthened station double-head chuck.

Background

The lathe is a machine tool for turning a rotating workpiece by mainly using a lathe tool, and is provided with a spindle box with a digital control function, wherein the spindle box controls a shaft seat to rotationally clamp the workpiece, and the workpiece is machined by matching with a tool on a tool apron.

The prior patent document CN201009104Y discloses a lathe which has the characteristics of large tolerance range of workpiece size, long service life, convenient maintenance, low cost, stable operation, low noise and the like.

Most of the existing lathes adopt a one-way chuck type to fix workpieces, and the longest workpiece which can be machined does not exceed the length of the lathe bed, so that the workpieces which are longer than the lathe bed cannot be machined.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the following problems in the prior art: most of the existing lathes adopt a one-way chuck type to fix workpieces, and the longest workpiece which can be machined does not exceed the length of the lathe bed, so that the workpieces which are longer than the lathe bed cannot be machined.

In order to solve the problems in the prior art, the utility model provides a lathe with a lengthened station double-head chuck, which comprises a lathe body, wherein one end of the lathe body is provided with a lathe head box, a motor is arranged in the lathe head box, a shaft barrel with a hollow inner part is rotated in the lathe head box, the shaft barrel is in transmission connection with the motor, clamping handles are rotatably arranged at two ends of the shaft barrel at equal intervals, the end part of the shaft barrel is provided with a pushing and pressing mechanism, the pushing and pressing mechanism moves left and right to push the clamping handles to rotate, a workpiece penetrates through the shaft barrel, a processing part of the workpiece is inserted to the side edge of the lathe head box, then the pushing and pressing mechanism is adjusted to enable the clamping handles to rotate to fix the workpiece, and the shaft barrel is driven by the motor to drive the workpiece to rotate so as to carry out turning processing.

Preferably, the surface of the bed body is provided with a slide rail, one end of the bed body, which is far away from the headstock, is provided with a tailstock, the side of the bed body is provided with a square tool rest, the tailstock and the square tool rest are both in sliding connection with the slide rail, and the tool rest and the tailstock which are installed in a sliding manner are used for installing a tool to process the end part and the side of a workpiece.

Preferably, the multiunit depressed groove has all been seted up at the both ends of beam barrel, and the clamp holder passes through torsion spring elastic rotation to be installed in the depressed groove, and the clamp holder is the obtuse angle form of buckling, and the fillet has all been seted up at the both ends of clamp holder.

Preferably, pushing and pressing mechanism includes the screwed pipe, and the external screw thread is seted up at the outer wall both ends of beam barrel, and the screwed pipe is connected with the external screw thread of beam barrel, and one side that the outer wall of screwed pipe is close to the clamp handle is the undergauge form, and the undergauge position cover of screwed pipe is equipped with the outer lane, and the edge of the edge protrusion screwed pipe of outer lane rotates the screwed pipe and removes on the beam barrel surface, makes the outer end of outer lane extrusion clamp handle, makes the inner extrusion work piece of clamp handle for it is fixed to the centre gripping of work piece.

Preferably, the undergauge position cover of screwed pipe is equipped with the rubber circle, the both sides of rubber circle respectively with screwed pipe and outer lane fixed connection, when outer lane and work piece extrusion contact, the rubber circle pressurized shrinkage realizes the extrusion buffering to the outer lane, improves the centre gripping stability and the security to the work piece.

Preferably, a sliding key is fixed on the outer wall of the reducing part of the threaded pipe, and a key groove matched with the sliding key is formed in the inner wall of the outer ring, so that the dislocation sliding position of the outer ring and the threaded pipe is accurate.

Preferably, one end of the clamping handle close to the outer ring is provided with a roller in a rotating mode, so that the outer ring is in rolling contact with the clamping handle, and friction force during contact is reduced.

Preferably, the inside of headstock is provided with fastening device, and fastening device includes the inner chamber, and the inner chamber is seted up in the inside of headstock, and the beam barrel passes the inner chamber, and the surperficial screw thread of headstock is installed and is run through the double-screw bolt to the inner chamber, is provided with the rubber slab in the inner chamber, and the rubber slab rotates with the double-screw bolt to be connected, rotates the double-screw bolt and makes the rubber slab move at the inner chamber until the extrusion fixes a position it on the surface of beam barrel, conveniently adjusts the fixed of pushing and pressing mechanism to the work piece and dismantles.

Compared with the related art, the lathe with the lengthened station double-head chuck provided by the utility model has the following beneficial effects:

the utility model adopts the internally penetrated shaft barrel to penetrate the workpiece, and the pushing and pressing mechanism is matched to extrude the clamping handle to fix the workpiece, so that the fixation of the workpiece is not limited by the length, the application range of the equipment is greatly increased, and the processing precision is higher.

Drawings

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

FIG. 2 is a schematic view of the shaft mounting structure of the present invention;

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

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

fig. 5 is a schematic view of the fitting structure of the outer ring and the threaded pipe of the present invention.

Reference numbers in the figures: 1. a bed body; 2. a slide rail; 3. a clamp handle; 4. a shaft cylinder; 5. a fastening mechanism; 51. an inner cavity; 52. a stud; 53. a rubber plate; 6. a pushing mechanism; 61. a threaded pipe; 62. an outer ring; 63. a rubber ring.

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, 2, 4 and 5, a lathe with an extended station double-ended chuck is assembled from:

assembly description: fix the headstock at the tip of the bed body 1, set up slide rail 2 on the surface of the bed body 1, set up the tailstock at the other end of the bed body 1, set up the square tool rest at the side of the bed body 1, the square tool rest, the tailstock all slides with slide rail 2, run through the headstock with a shaft section of thick bamboo 4 and be connected rather than rotating, install the motor in the headstock, the axle head and the transmission of shaft section of thick bamboo 4 of motor are connected, the equal angle in both ends at shaft section of thick bamboo 4 sets up the depressed groove, at the depressed groove internal rotation installation clamp holder 3, and use torque spring to be connected clamp holder 3 elastic connection, set up the external screw thread at the outer wall of shaft section of thick bamboo 4, threaded pipe 61 is cup jointed to external screw thread position screw thread, overlap outer lane 62 in the outside of threaded pipe 61, and slide rather than through feather key and keyway, connect rubber circle 63 between threaded pipe 61 and outer lane 62.

The working principle is as follows: the workpiece penetrates through the shaft barrel 4, the machining part of the workpiece is inserted to the side of the headstock, the threaded pipe 61 is rotated to move on the surface of the shaft barrel 4, the outer ring 62 is made to extrude the outer end of the clamping handle 3, the inner end of the clamping handle 3 is made to extrude the workpiece for clamping and fixing the workpiece, the shaft barrel 4 is driven by the motor to drive the workpiece to rotate, and the square tool rest and the tailstock are made to perform turning machining on the workpiece.

Example two

As shown in fig. 1-5, a lathe with an extended station double-ended chuck is assembled from:

assembly description: fixing a headstock at the end of a bed body 1, arranging a slide rail 2 on the surface of the bed body 1, arranging a tailstock at the other end of the bed body 1, arranging a square tool rest at the side edge of the bed body 1, sliding the square tool rest and the tailstock with the slide rail 2, penetrating a shaft barrel 4 through the headstock and rotationally connecting the shaft barrel with the headstock, arranging a motor in the headstock, driving and connecting the shaft end of the motor with the shaft barrel 4, arranging a concave groove at equal angles at two ends of the shaft barrel 4, rotationally arranging a clamp handle 3 in the concave groove, elastically connecting the clamp handle 3 by using a torsion spring, arranging an external thread on the outer wall of the shaft barrel 4, sleeving a threaded pipe 61 on the external thread part, sleeving an outer ring 62 on the outside of the threaded pipe 61 and sliding with the threaded pipe through a sliding key and a key groove, connecting a rubber ring 63 between the threaded pipe 61 and the outer ring 62, arranging an inner cavity 51 in the headstock, penetrating the shaft barrel 4 through the inner cavity 51 and threading a stud 52 into the inner cavity 51, and is rotatably connected at its inner end with a rubber plate 53.

The working principle is as follows: the workpiece penetrates through the shaft barrel 4, a machining part of the workpiece is inserted to the side of a headstock, the threaded pipe 61 is rotated to move on the surface of the shaft barrel 4, the outer ring 62 is made to extrude the outer end of the clamping handle 3, the inner end of the clamping handle 3 is made to extrude the workpiece for clamping and fixing the workpiece, the shaft barrel 4 is driven by the motor to drive the workpiece to rotate, the square tool rest and the tailstock are made to perform turning processing on the workpiece, in addition, the stud 52 is rotated to enable the rubber plate 53 to move in the inner cavity 51 until the rubber plate is extruded on the surface of the shaft barrel 4 to position the shaft barrel, and the fixing and the dismounting of the workpiece by the pushing and pressing mechanism 6 are conveniently adjusted.

Claims

1. The utility model provides a lathe with extension station double-end chuck, includes the bed body (1), the headstock is installed to the one end of the bed body (1), is provided with the motor in the headstock, its characterized in that, headstock internal rotation have inside hollow beam barrel (4), and beam barrel (4) are connected with motor drive, and the equal equidistance in both ends of beam barrel (4) is rotated and is installed clamp holder (3), and the tip of beam barrel (4) is provided with pushing and pressing mechanism (6), and pushing and pressing mechanism (6) are removed and are moved and promote clamp holder (3) and rotate.

2. The lathe with the double-ended chuck with the lengthened station as claimed in claim 1, wherein the sliding rails (2) are mounted on the surface of the lathe body (1), a tailstock is arranged at one end, away from the headstock, of the lathe body (1), a square tool rest is arranged on the side edge of the lathe body (1), and the tailstock and the square tool rest are both in sliding connection with the sliding rails (2).

3. The lathe with the double-headed chuck for the lengthened station as claimed in claim 1, wherein a plurality of sets of concave grooves are formed at both ends of the shaft barrel (4), the clamping handle (3) is elastically and rotatably installed in the concave grooves through a torsion spring, the clamping handle (3) is bent at an obtuse angle, and round corners are formed at both ends of the clamping handle (3).

4. The lathe with the extended-station double-head chuck as claimed in claim 3, wherein the pushing mechanism (6) comprises a threaded pipe (61), external threads are formed at two ends of the outer wall of the shaft barrel (4), the threaded pipe (61) is connected with the external threads of the shaft barrel (4), one side, close to the clamp handle (3), of the outer wall of the threaded pipe (61) is in a reducing shape, an outer ring (62) is sleeved at the reducing position of the threaded pipe (61), and the edge of the outer ring (62) protrudes out of the edge of the threaded pipe (61).

5. The lathe with the extended station double-ended chuck as claimed in claim 4, wherein a rubber ring (63) is sleeved on a reducing part of the threaded pipe (61), and two sides of the rubber ring (63) are fixedly connected with the threaded pipe (61) and the outer ring (62) respectively.

6. The lathe with the extended station double-ended chuck as claimed in claim 5, wherein a sliding key is fixed on the outer wall of the reduced diameter part of the threaded pipe (61), and a key groove matched with the sliding key is formed in the inner wall of the outer ring (62).

7. The lathe with extended station double-ended chuck according to claim 4, wherein the end of the clamping handle (3) close to the outer ring (62) is provided with a roller.

8. The lathe with the extended-station double-ended chuck is characterized in that a fastening mechanism (5) is arranged inside the headstock, the fastening mechanism (5) comprises an inner cavity (51), the inner cavity (51) is formed inside the headstock, the shaft barrel (4) penetrates through the inner cavity (51), a stud (52) penetrating through the inner cavity (51) is installed on the surface of the headstock in a threaded mode, a rubber plate (53) is arranged inside the inner cavity (51), and the rubber plate (53) is rotatably connected with the stud (52).