CN104043971B - A kind of spinning machine with cutting and material unloading function - Google Patents

Abstract

The present invention relates to a kind of spinning machine with cutting and material unloading function, it rotates in main shaft and is provided with axial feed mechanism, and axial feed mechanism includes machine tool chief axis, fixed cover (11), and multiple axial wedge block (10), described axial wedge block (10) is divided into two groups, the inclined-plane of one group of axial wedge block (10) is towards described machine tool chief axis, the inclined-plane of another group deviates from described machine tool chief axis, and two groups of axial wedge block (10) intervals are arranged；Described rotating disk (3) circle centre position is provided with centre bore, it is provided with radial wedge slide block (6) in the gathering sill (7) of rotating disk (3), and the head of each radial wedge slide block (6) is provided with a mounting seat (8), mounting seat is arranged at intervals with spinning head or cutting tool in (8)；The tail end of described housing (5) is provided with a driving device, and this driving device and a push rod (19) are connected, and this push rod (19) is relative with described centre bore.The present invention adds surface trimming and automatic discharging function on the basis of original spinning function so that the functional diversities of spinning machine, improves production efficiency, reduces production cost.

Description

A spinning equipment with cutting and unloading functions

technical field

The invention relates to the technical field of spinning forming in plastic processing, in particular to a spinning equipment capable of automatically cutting and unloading pipe fittings after spinning.

Background technique

Spinning is a less-cutting and non-cutting processing technology that combines the characteristics of forging, extrusion, stretching, bending, cerclage, cross-rolling and rolling. The plastic processing method of the required rotary parts formed by local plastic deformation.

Technicians have made various attempts on the basis of traditional spinning equipment. For example, the Chinese invention patent "A Multifunctional Spinning Machine Tool" with the authorized announcement number CN1189261C discloses a multifunctional spinning forming machine tool. The forming machine tool is composed of a bed, a bedside box, a planetary spinning device, a workpiece clamping device, a mandrel, a hydraulic station and a console. The devices are respectively connected with the bed and the bed head box, the workpiece clamping device is connected with the bed, the mandrel is embedded in the planetary spinning device, the hydraulic station is connected with the bed through the oil pipe, and the control console is connected with the bed through the control line. The bed is connected. The invention can not only process axisymmetric parts, but also can directly process non-axisymmetric parts; it can not only carry out ordinary spinning, but also can carry out powerful spinning; it can carry out both spinning with mandrel and spinning without mandrel. . This invention broadens the theoretical category and processing range of traditional spinning technology, and integrates multiple functions, thereby greatly reducing production costs and improving product quality and production efficiency. However, the spinning forming machine tool in this invention is not equipped with an automatic cutting device to cut the processed tube blank, and some waste will remain in the spinning device after the cutting process. If it is manually taken out, the spinning device needs to Downtime reduces processing efficiency and is not conducive to automatic processing.

Contents of the invention

The technical problem to be solved by the present invention is to provide a spinning equipment with the functions of automatically cutting pipes and automatically unloading waste materials in view of the prior art.

The technical solution adopted by the present invention to solve the above technical problems is: a spinning equipment with cutting and unloading functions, including a bed and a rotating mechanism arranged on the bed, the rotating mechanism is provided with a shell outside, and the inside of the shell is A rotating main shaft is provided, and a turntable is fixed at one end of the rotating main shaft, and it is characterized in that: an axial feed mechanism is arranged inside the rotating main shaft, and the axial feeding mechanism includes a machine tool main shaft, and a fixed sleeve, and a plurality of axial wedge-shaped sliders fixed on the fixed sleeve, the axial wedge-shaped sliders are divided into two groups, wherein the slope of one group of axial wedge-shaped sliders faces the machine tool spindle, and the slope of the other group Away from the main shaft of the machine tool, and two sets of axial wedge-shaped sliders are arranged at intervals; a central hole for accommodating the tube blank is set at the center of the turntable, and a plurality of guide grooves are set radially along the turntable with the center hole as a starting point , each guide groove is provided with a radial wedge-shaped slider slidingly connected with the axial wedge-shaped slider, and the head of each radial wedge-shaped slider is provided with a mounting seat, and a spinning head or a cutting tool, and the spinning head is spaced apart from the cutting tool; a driving device is provided at the tail end of the housing, and the driving device is connected with a push rod, and the push rod is opposite to the central hole.

As a preference, there are four guide grooves, and the adjacent guide grooves are perpendicular to each other, so that the spinning heads or cutting knives arranged on the mounting base are respectively located on a straight line, and radial rotations in opposite directions can be made on the turntable. direction movement, so that the spinning head and the cutting tool can be controlled simultaneously by one motor.

The axial wedge block slider can be fixed on the fixed sleeve in various ways. Preferably, the fixed sleeve is provided with a plurality of fixing holes in the circumferential direction, and one axial wedge is fixed in each fixing hole. Wedge slider.

As a further preference, there are four fixing holes, and the adjacent fixing holes are perpendicular to each other, so that the axial wedge-shaped slider fixed in the fixing hole can be better connected with the radial wedge-shaped slider arranged in the guide groove, The axial feed of the axial feed mechanism is converted into the radial feed of the spinning head or cutting tool on the turntable for the tube blank.

As still further preferred, the axial wedge-shaped slider is fixed in the fixing hole by a nut.

In order to better complete the sliding connection between the axial wedge slider and the radial wedge slider, a dovetail groove is opened on the inclined surface of the axial wedge slider, and at the same time, a There is a first slider matching the dovetail groove, and the first slider is passed through the dovetail groove, so that the axial wedge slider can be pressed on the radial wedge slider when feeding, thereby Pushing the radial wedge-shaped slider to slide radially along the guide groove of the turntable, so that the spinning head or cutting tool on the radial wedge-shaped slider continuously acts on the tube blank.

Preferably, the driving device is an air cylinder, and the piston rod of the air cylinder passes through the main shaft of the machine tool and is connected with a push rod. Since the push rod is opposite to the central hole for accommodating the tube blank, after the cutting process, the air cylinder can Drive the push rod to push out the waste material.

Preferably, the main shaft of the machine tool is a ball screw driven by a servo motor, and the screw nut of the ball screw is covered with the fixed sleeve.

The rotating main shaft may have various shapes, preferably, the rotating main shaft is in the shape of a hollow cylinder.

Compared with the prior art, the advantage of the present invention is that: the mounting seat of the turntable in the present invention is provided with a spinning head or a cutting tool, and they are respectively located on a straight line, and can perform radial movements in opposite directions on the turntable, and at the same time The axial wedge sliders slidingly connected with the radial wedge sliders are divided into two groups, so that when the axial wedge sliders are driven by the motor to move forward or backward, the axial wedge sliders respectively matched with the two groups of axial wedge sliders can The radial wedge-shaped slider is retracted or diverged in the radial direction on the turntable, and a motor can be used to control the spinning head and the cutting tool at the same time. In this way, on the basis of the original function of the spinning equipment, the processing of the processed tube blank is realized. Cutting; and the tail end of the spinning equipment housing is provided with a driving device, the driving device is connected with a push rod, and the push rod is opposite to the central hole, so that after the cutting process, the push rod is driven by the cylinder to remove the waste material roll out. To sum up, the present invention adds automatic cutting and automatic unloading functions on the basis of the original spinning function, so that the functions of the spinning equipment are diversified, the production efficiency is improved, and the production cost is reduced.

Description of drawings

Fig. 1 is a three-dimensional structural schematic diagram of spinning equipment in an embodiment of the present invention;

Fig. 2 is another three-dimensional structural schematic diagram of the spinning equipment in the embodiment of the present invention (with the housing removed);

Fig. 3 is a sectional view of the rotating mechanism in Fig. 1;

Fig. 4 is a schematic diagram of the three-dimensional structure of the axial feed mechanism in Fig. 1;

FIG. 5 is a schematic perspective view of the three-dimensional structure of the fixing sleeve in FIG. 1 .

detailed description

The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

As shown in Figures 1 to 5, the spinning equipment with cutting and unloading functions in the present invention includes a bed 1 and a rotating mechanism 2 arranged on the bed 1, and a housing 5 is provided outside the rotating mechanism 2, A hollow cylindrical rotating main shaft 9 is arranged inside the housing 5 , and a turntable 3 is fixed at one end of the rotating main shaft 9 .

The rotary spindle 9 is provided with an axial feed mechanism, including a ball screw 13 driven by a servo motor 14, a fixed sleeve 11 sleeved on the screw nut of the ball screw 13, and an axial wedge slider 10 , wherein, the fixing sleeve 11 is provided with four fixing holes 20 along the circumference, and the adjacent fixing holes 20 are perpendicular to each other, and an axial wedge-shaped slider 10 is fixed in each fixing hole 20 through a nut 12, namely The number of axial wedge-shaped sliders corresponds to the number of fixed holes is also 4.

A central hole for accommodating the tube blank 4 is provided at the center of the turntable 3. Starting from the center hole, four guide grooves 7 are arranged radially along the turntable 3, and adjacent guide grooves 7 are perpendicular to each other. Each guide groove A radial wedge-shaped slider 6 is arranged at 7, and a mounting seat 8 is provided on the head of the radial wedge-shaped slider 6, and a spinning head or a cutting tool is arranged between the mounting seats 8 at intervals. At the same time, a dovetail groove 17 is provided on the inclined surface of the axial wedge slider 10. Correspondingly, a first slider 18 matched with the dovetail groove 17 is provided on the radial wedge slider 6, so that by the first slider 18 is pierced in the dovetail groove 17 so that the axial wedge slider 10 and the radial wedge slider 6 are slidably connected, and then the axial wedge slider 10 pressurizes the radial wedge slider 6 when feeding, thereby pushing the radial The wedge-shaped slider 6 slides radially along the guide groove 7 of the turntable 3 . Further, the axial wedge sliders 10 are divided into two groups, wherein the slope of one group of axial wedge sliders 10 faces the ball screw 13, the slope of the other group faces away from the ball screw 13, and the two groups of axial wedge sliders 10 At intervals, a guide rail is provided on the inner wall of the rotating main shaft 9, and a second slide block 21 that can slide on the guide rail is provided on the axial wedge slider 10 whose slope faces the ball screw 13. In this way, when the servo motor 14 pushes the fixed sleeve 11 forward, the axial wedge-shaped slider 10 with the inclined surface facing the ball screw 13 is driven forward by the ball screw 13, and the radial wedge-shaped slider 6 matched with it is pushed to the direction of the center hole. For radial feeding, at the same time, the axial wedge-shaped slider 10 whose inclined plane is away from the ball screw 13 squeezes the matched radial wedge-shaped slider 6 for radial feeding in the direction away from the center hole. On the contrary, when the servo motor 14 drives the fixed sleeve 11 When retreating, the feeding direction of the radial wedge-shaped slider 6 is opposite to the above-mentioned direction of motion, so that the spinning head and the cutting tool arranged on the mounting seat 8 can perform radial movement in the opposite direction, so that the present invention can be realized by a motor To control the spinning head and the cutting tool at the same time, so that the cutting of the processed tube blank is realized on the basis of the original function of the spinning equipment.

The rear end of the housing 5 of the rotary mechanism 2 is provided with a cylinder 15, and the piston rod 16 of the cylinder 15 passes through the ball screw 13 and is connected with a push rod 19. After the cutting process, the push rod 19 can be driven by the cylinder 15 to push out the waste material.

In this way, the present invention adds automatic cutting and automatic unloading functions on the basis of the original spinning function, so that the functions of the spinning equipment are diversified, the production efficiency is improved, and the production cost is reduced.

Claims (9)

1. the spinning machine with cutting and material unloading function, including lathe bed (1) and the rotating mechanism (2) that is arranged on lathe bed (1), this rotating mechanism (2) is provided externally with housing (5), rotation main shaft (9) it is provided with in housing (5), one end of this rotation main shaft (9) is fixed with a rotating disk (3), it is characterized in that: in described rotation main shaft (9), be provided with axial feed mechanism, this axial feed mechanism includes machine tool chief axis, it is set in the fixed cover (11) on this machine tool chief axis, and it is fixed on the multiple axial wedge block (10) on fixed cover (11), described axial wedge block (10) is divided into two groups, the inclined-plane of the axial wedge block of one of which (10) is towards described machine tool chief axis, the inclined-plane of another group deviates from described machine tool chief axis, and two groups of axial wedge block (10) intervals are arranged；Described rotating disk (3) circle centre position arranges the centre bore being used for holding pipe, with this centre bore for starting point, it is radially arranged multiple gathering sill (7) along described rotating disk (3), each gathering sill (7) place arranges a radial wedge slide block (6) being slidably connected with described axial wedge block (10), and the head of each radial wedge slide block (6) is provided with a mounting seat (8), being provided with a spinning head or a cutting tool in each mounting seat (8), wherein spinning head and cutting tool interval are arranged；The tail end of described housing (5) is provided with a driving device, and this driving device and a push rod (19) are connected, and this push rod (19) is relative with described centre bore.

2. the spinning machine with cutting and material unloading function according to claim 1, it is characterised in that: described gathering sill (7) is 4, and adjacent gathering sill (7) is mutually perpendicular to.

3. the spinning machine with cutting and material unloading function according to claim 1, it is characterized in that: described fixed cover (11) is circumferentially offered multiple fixing hole (20), in each fixing hole (20), be fixed with the axial wedge block (10) described in.

4. the spinning machine with cutting and material unloading function according to claim 3, it is characterised in that: described fixing hole (20) is 4, and adjacent fixing hole (20) is orthogonal.

5. the spinning machine with cutting and material unloading function according to claim 4, it is characterised in that: described axial wedge block (10) is fixed in described fixing hole (20) by nut (12).

6. the spinning machine with cutting and material unloading function according to claim 5, it is characterized in that: the inclined-plane of described axial wedge block (10) offers dovetail groove (17), being provided with the first slide block (18) matched with described dovetail groove (17) on described radial wedge slide block (6), described first slide block (18) is located in described dovetail groove (17) simultaneously.

7. the spinning machine with cutting and material unloading function according to claim 6, it is characterized in that: described driving device is cylinder (15), the piston rod (16) of this cylinder (15) is connected through described machine tool chief axis and a push rod (19).

8. the spinning machine with cutting and material unloading function according to claim 7, it is characterized in that: described rotation main shaft is a ball screw (13) driven by servomotor (14), and the feed screw nut of this ball screw (13) is arranged with described fixed cover (11).

9. according to claim 8 with cutting and the spinning machine of material unloading function, it is characterised in that: described rotation main shaft (9) be shaped as hollow cylindrical.