CN218693906U

CN218693906U - Hydraulic drive copying lathe with special-shaped surface

Info

Publication number: CN218693906U
Application number: CN202222459134.2U
Authority: CN
Inventors: 雷立猛; 郭胜安
Original assignee: Puhler Guangdong Smart Nano Technology Co ltd; Hunan Jinling Machine Tool Technology Group Co ltd
Current assignee: Puhler Guangdong Smart Nano Technology Co ltd; Hunan Jinling Machine Tool Technology Group Co ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2023-03-24
Anticipated expiration: 2032-09-16

Abstract

The hydraulic drive copying lathe with the surface in the special shape has the advantages of simple flow in the whole production process, high efficiency and good precision of the produced product. This special-shaped surface hydraulically driven copying machine comprises: the X-axis driving screw rod (I), the rack (II), the hydraulic profiling mechanism bracket (III), the oil cylinder (IV), the profiling mechanism (V), the transmission mechanism (VI), the headstock (VII) and the tool rest (VIII).

Description

Hydraulic drive copying lathe with special-shaped surface

Technical Field

The utility model relates to a turning's technical field especially relates to a hydraulic drive copying lathe on special shape surface.

Background

A lathe is a machine tool for turning a rotating workpiece mainly with a lathe tool. The corresponding processing can be carried out on a lathe by using a drill bit, a reamer, a screw tap, a threading die, a knurling tool and the like.

In the production process, parts with the same shape and higher machining precision requirements are sometimes required to be produced according to samples provided by customers. The process in the traditional production process comprises the following steps: according to the requirements of customers, the overall dimension of the part is firstly measured, then an engineer draws a corresponding drawing, and then the drawing is delivered to a lathe operator for production, so that the whole production process is complex in flow, low in efficiency and low in precision of the produced product.

Disclosure of Invention

For overcoming the defects of the prior art, the to-be-solved technical problem of the utility model is to provide a hydraulic drive copying lathe on special shape surface, its whole production process flow is simple, and efficiency improves, and the product precision of producing is good.

The technical scheme of the utility model is that: this special-shaped surface hydraulically driven copying machine comprises: the device comprises an X-axis driving screw rod (I), a frame (II), a hydraulic profiling mechanism bracket (III), an oil cylinder (IV), a profiling mechanism (V), a transmission mechanism (VI), a headstock (VII) and a tool rest (VIII);

an X-axis driving screw rod (I) is fixed on the left side of a rack (II), and a servo motor (1) drives a screw rod (2) to drive a nut support (3) to move along the X-axis direction;

a hydraulic profiling mechanism bracket (III) is fixed on the right side of the frame (II), a profiled part (6) to be profiled is fixed between the tailstock (5) and the first chuck (7), a main shaft (16) drives the first chuck (7) to rotate through a transmission mechanism (VI), the first chuck (7) synchronously drives the profiled part (6) to rotate, and a headstock (VII) is connected with the transmission mechanism (VI);

a valve core (19) in the profiling mechanism (V) is a valve core for controlling the hydraulic oil to be reversed in the whole hydraulic drive; the profiling needle (23) in the profiling mechanism (V) keeps in dynamic contact with the profiled element (6), the profiling needle (23) always swings regularly along with the change of the surface shape of the profiled element (6), the profiling needle (23) is fixed on a fixed frame (22), the fixed frame (22) is fixed on a fixed plate (21), the fixed plate (21) swings around a shaft (24), the steel ball (20) simultaneously keeps in contact with the fixed plate (21) and the valve core (19), and the profiling needle (23)

Can be accurately transmitted to the valve core (19) each time the fixing plate (21) presses the steel ball (20), the valve core (19) moves leftwards when the fixing plate (21) presses the steel ball (20), and the fixing plate (21) does not press the steel ball (20)

When in use, the spring (18) at the other end of the valve core (19) far away from the steel ball (20) pushes the valve core (19) to move rightwards through elastic force, and the valve core (19) completes the oil cylinder (IV) through left-right swinging

Reversing hydraulic oil to promote the oil cylinder (IV) to move under the action of the pressure of the hydraulic oil;

the oil cylinder (IV) is fixedly connected with the tool rest (VIII), the tool rest synchronously performs profiling motion of swinging left and right along the Y-axis direction along with the oil cylinder, and at the moment, the tool (35) in the tool rest (VIII) realizes profiling machining of a workpiece (34) to be machined along the Y-axis direction.

The utility model discloses the profile modeling needle among the profiling mechanism keeps and is contacted by the profile modeling piece developments, the regular swing is being done along with the change by the profile modeling piece surface shape all the time to the profile modeling needle, the profile modeling needle is fixed on the mount, the mount is fixed on the fixed plate, the fixed plate is around the axle swing, the steel ball keeps simultaneously and fixed plate and case contact, the conduction to the case that can both be accurate of at every turn swing of profile modeling needle, when the fixed plate oppresses the steel ball, the case moves left, when the fixed plate does not oppress the steel ball, the spring that the other end of steel ball was kept away from to the case promotes the case through elasticity and moves right, the switching-over of hydraulic oil in the case through the horizontal hunting completion hydro-cylinder, thereby make the hydro-cylinder move under the effect of hydraulic oil pressure, the hydro-cylinder is in the same place with knife rest fixed connection, the tool rest is along the horizontal hunting's of Y axle direction profile modeling motion in the hydro-cylinder synchronization, the knife utensil realizes treating the machined part along the Y axle direction in the knife rest this moment, therefore, machining efficiency can be improved greatly, machining precision and product percent of pass, be particularly adapted to need big processing part, whole production process has been simplified greatly, make whole process realize semi-automation production in batches.

Drawings

Figure 1 shows a perspective view of a hydraulically driven copying machine with a specially shaped surface according to the invention.

Fig. 2 is a front view of an X-axis drive screw according to the present invention.

Fig. 3 is a front view of a hydraulic profiling mechanism bracket according to the present invention.

Fig. 4 is a cross-sectional view of a profiling mechanism according to the present invention.

Fig. 5 is a cross-sectional view of a cylinder according to the present invention.

Fig. 6 is a 45 ° axial view of a tool holder according to the present invention.

Detailed Description

As shown in fig. 1-6, this specially shaped surface hydraulically driven copying machine includes: the X-axis driving screw rod I, the frame II, the hydraulic profiling mechanism bracket III, the oil cylinder IV, the profiling mechanism V, the transmission mechanism VI, the headstock VII and the tool rest VIII;

an X-axis driving screw rod I is fixed on the left side of a frame II, and a servo motor 1 drives a screw rod 2 to drive a nut support 3 to move along the X-axis direction;

a hydraulic profiling mechanism bracket III is fixed on the right side of the frame II, a profiled element 6 to be profiled is fixed between the hydraulic profiling mechanism bracket III and the frame II through a tailstock 5 and a first chuck 7, and a main shaft 16 passes through a transmission mechanism

VI drives the first chuck 7 to rotate, the first chuck synchronously drives the profiled piece to rotate, and the headstock is connected with a transmission mechanism;

a valve core 19 in the profiling mechanism V is a valve core for controlling the hydraulic oil reversing in the whole hydraulic drive;

a profiling needle 23 in the profiling mechanism keeps in dynamic contact with a profiled element 6, the profiling needle regularly swings along with the change of the surface shape of the profiled element all the time, the profiling needle is fixed on a fixed frame 22, the fixed frame 22 is fixed on a fixed plate 21, the fixed plate 21 swings around a shaft 24, a steel ball 20 simultaneously keeps in contact with the fixed plate 21 and a valve core, each swing of the profiling needle can be accurately conducted to the valve core, when the fixed plate presses the steel ball, the valve core moves leftwards, when the fixed plate does not press the steel ball, a spring 18 (an end cover 17 supports against the spring) at the other end of the valve core far away from the steel ball pushes the valve core to move rightwards through elasticity, and the valve core completes the reversing of hydraulic oil in an oil cylinder IV through left-right swing, so that the oil cylinder moves under the action of the pressure of the hydraulic oil; the oil cylinder is fixedly connected with the tool rest VIII, the tool rest synchronously performs profiling motion of left-right swinging along the Y-axis direction along with the oil cylinder, and at the moment, the tool 35 in the tool rest realizes profiling machining of the workpiece to be machined 34 along the Y-axis direction.

Preferably, the cylinder body 26 of the cylinder iv is divided into a front chamber 27 and a rear chamber 30 by a piston 28, and when hydraulic oil flows to the front chamber 27, the hydraulic oil pressure pushes the cylinder body 26 to move leftward in the Y-axis direction, and when hydraulic oil flows to the rear chamber 30, the hydraulic oil pressure pushes the cylinder body 26 to move rightward in the Y-axis direction.

Preferably, the oil cylinder and the profiling mechanism are rigidly fixed on the nut support 3 and move along the X-axis direction synchronously with the nut support 3.

Preferably, the tailstock 5 and the chuck bearing seat 9 are fixed on the bracket 4, and the first chuck 7 is fixed in the chuck bearing seat and can synchronously rotate along with a bearing in the chuck bearing seat; the main shaft 16 drives the power shaft 11 to rotate through a first synchronous belt pulley 15, a synchronous belt 14 and a second synchronous belt pulley 13, the first synchronous belt pulley and the second synchronous belt pulley have the same number of teeth and the same rotating speed; the power shaft 11 drives the first chuck 7 fixed in the chuck bearing seat to synchronously rotate through the telescopic universal joint 10, the imitated piece 6 is fixed in the first chuck 7, the tailstock 5 props against the imitated piece 6 from the other end, and the first chuck 7 drives the imitated piece 6 to synchronously rotate.

Preferably, the support 37 is fixed to the cylinder 26, the tool holder 36 is fixed to the support 37, the tool 35 is fixed to the tool holder 36, the workpiece 34 to be machined is fixed to the second chuck 33 rigidly connected to the spindle 16, the second chuck rotates the workpiece 34 to be machined, and the tool 35 simultaneously performs the profiling process on the workpiece to be machined.

The utility model has the advantages that: the hydraulic drive copying lathe can greatly improve the processing efficiency, the processing precision and the product percent of pass, is particularly suitable for processing parts in large batch, greatly simplifies the whole production process, and realizes semi-automatic production in the whole process.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention in any form, and all the technical matters of the present invention are to make any simple modification, equivalent change and modification to the above embodiments, and still belong to the protection scope of the present invention.

Claims

1. A hydraulic drive copying lathe with a special-shaped surface is characterized in that: it includes: x

The device comprises a shaft driving screw rod (I), a frame (II), a hydraulic profiling mechanism bracket (III), an oil cylinder (IV), a profiling mechanism (V), a transmission mechanism (VI), a headstock (VII) and a tool rest (VIII);

an X-axis driving screw rod (I) is fixed on the left side of a rack (II), and a nut support (3) is driven to move along the X-axis direction by a servo motor (1) driving screw rod (2);

a valve core (19) in the profiling mechanism (V) is a valve core for controlling the hydraulic oil to change direction in the whole hydraulic drive; a profiling needle (23) in the profiling mechanism (V) keeps in dynamic contact with a profiled element (6), the profiling needle (23) regularly swings along with the change of the surface shape of the profiled element (6) all the time, the profiling needle (23) is fixed on a fixed frame (22), the fixed frame (22) is fixed on a fixed plate (21), the fixed plate (21) swings around a shaft (24), a steel ball (20) simultaneously keeps in contact with the fixed plate (21) and a valve core (19), each swing of the profiling needle (23) can be accurately transmitted to the valve core (19), when the fixed plate (21) presses the steel ball (20), the valve core (19) moves leftwards, when the fixed plate (21) does not press the steel ball (20), a spring (18) at the other end of the valve core (19) far away from the steel ball (20) pushes the valve core (19) to move rightwards through elastic force, and the valve core (19) completes the reversing of hydraulic oil in the oil cylinder (IV) through left-right swing, so that the oil cylinder (IV) is enabled to move under the pressure effect; the oil cylinder (IV) is fixedly connected with the tool rest (VIII), the tool rest synchronously performs profiling motion of swinging left and right along the Y-axis direction along with the oil cylinder, and at the moment, the tool (35) in the tool rest (VIII) realizes profiling machining of a workpiece (34) to be machined along the Y-axis direction.

2. The hydraulically driven copying machine for special shaped surfaces as claimed in claim 1, wherein: a cylinder body (26) of the oil cylinder (IV) is divided into a front chamber (27) and a rear chamber (30) by a piston (28), when hydraulic oil flows to the front chamber (27), the hydraulic oil pressure pushes the cylinder body (26) to move leftward in the Y-axis direction, and when hydraulic oil flows to the rear chamber (30), the hydraulic oil pressure pushes the cylinder body (26) to move rightward in the Y-axis direction.

3. The hydraulically driven copying machine for special shaped surfaces as claimed in claim 2, wherein: the oil cylinder (IV) and the profiling mechanism (V) are rigidly fixed on the nut support (3) and synchronously move along the X-axis direction along with the nut support (3).

4. The hydraulically driven copying machine for special shaped surfaces as claimed in claim 3, wherein: the tailstock (5) and the chuck bearing seat (9) are fixed on the bracket (4), and the first chuck (7) is fixed in the chuck bearing seat and can synchronously rotate along with a bearing in the chuck bearing seat; the main shaft (16) drives the power shaft (11) to rotate through a first synchronous belt wheel (15), a synchronous belt (14) and a second synchronous belt wheel (13), and the first synchronous belt wheel (15) and the second synchronous belt wheel (13) have the same number of teeth and the same rotating speed; the power shaft (11) drives a first chuck (7) fixed in the chuck bearing seat to synchronously rotate through a telescopic universal joint (10), the profile (6) is fixed in the first chuck (7), the tailstock (5) props against the profile (6) from the other end, and the first chuck (7) drives the profile (6) to synchronously rotate.

5. The hydraulically driven copying machine for special shaped surfaces as claimed in claim 4, wherein: a support (37) is fixed on a cylinder body (26), a tool apron (36) is fixed on the support (37), a tool (35) is fixed on the tool apron (36), a workpiece (34) to be machined is fixed on a second chuck (33) rigidly connected with a main shaft (16), the second chuck (33) drives the workpiece (34) to be machined to rotate, and the tool (35) synchronously performs profile cutting on the workpiece (34) to be machined.