CN209810992U - Press machine - Google Patents

Abstract

The utility model discloses a press, include: a rotating device for rotating the workpiece to a preset angle; and the extrusion device is matched with the rotating device to extrude the workpiece after the workpiece rotates to a preset angle. The utility model discloses the press is equipped with rotary device, can be rotatory to predetermined angle with the work piece in extrusion's in-process to make things convenient for extrusion device to relapse extrusion to the work piece of different angles, need not to dismantle work piece angle of adjustment during, use manpower sparingly, convenient operation for the shaping process, and can realize the extrusion of multi-angle.

Description

Press machine

Technical Field

The utility model belongs to the technical field of the pressure equipment work piece takes shape, specifically speaking relates to a press.

Background

The press machine is a common device in the manufacturing industry, and has the characteristics of wide application, high production efficiency and the like. The press machine can be widely applied to the processes of cutting, punching, blanking, bending, riveting, forming and the like. The metal is processed into parts by applying a strong pressure to the metal blank to cause plastic deformation and fracture of the metal. However, for some large workpieces such as those requiring repeated press forming, it is complicated and troublesome to repeatedly remove the workpiece and then change the angle for installation to press different angles, and the clamping and fixing of the workpiece like a circular shape is a great problem, or the hollow part of the hollow workpiece is liable to undesired deformation during the pressing.

In view of this, the present invention is provided.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in overcoming the not enough of prior art, provides a press.

In order to solve the technical problem, the utility model adopts the following basic concept:

a press machine, comprising:

a rotating device for rotating the workpiece to a preset angle;

and the extrusion device is matched with the rotating device to extrude the workpiece after the workpiece rotates to a preset angle.

The utility model discloses further set up to: the rotating device comprises a rotating shaft, at least part of the workpiece is sleeved outside the rotating shaft and rotates along with the rotating shaft, at least one end of the rotating shaft is fixed in a bearing seat through a bearing,

preferably, both ends of the rotating shaft are fixed in the bearing seats through bearings,

more preferably, the bearing seat is a split bearing seat, which comprises a base and a cover body detachably connected with the base, the rotating shaft is detachably fixed in the bearing seat through a bearing,

preferably, the bearing seat further comprises at least two sets of fasteners penetrating the cover to connect the cover to the base, the fasteners being distributed on both sides of the rotating shaft.

The utility model discloses further set up to: the rotating device also comprises a reciprocating structure which realizes the reciprocating motion of the rotating shaft along the extrusion stress direction,

preferably, the reciprocating structure comprises an elastic element which is arranged on the bearing seat and realizes the reciprocating motion of the bearing seat along the extrusion stress direction,

preferably, the reciprocating structure comprises a prepressing elastic element which is abutted between the cover body and the fastening piece and realizes the reciprocating motion of the cover body along the extrusion stress direction,

more preferably, the fastener is a screw/bolt, and the pre-compression elastic element is a pre-compression spring.

The utility model discloses further set up to: the extrusion device comprises a first template and a second template which are oppositely arranged at two sides of the workpiece to extrude the workpiece, the first template and/or the second template relatively move to extrude the workpiece,

preferably, the first die plate is disposed above the second die plate, and the second die plate is moved upward to press the workpiece.

The utility model discloses further set up to: the press machine further comprises a supporting device for supporting the extruding device and the rotating device,

preferably, the supporting device comprises a plurality of supporting columns, a first carrying structure carrying the first template, and a second carrying structure carrying the second template, the first carrying structure is supported above the second carrying structure through the supporting columns,

more preferably, the supporting device further comprises a first supporting seat, the second bearing structure is arranged above the first supporting seat, one end of the supporting column is connected with the first supporting seat, the other end of the supporting column is detachably connected with the first bearing structure so as to support the first bearing structure above the second bearing structure and the workpiece,

preferably, the first template is detachably connected below the first bearing structure through high-strength fasteners, the second template is detachably connected above the first bearing structure through high-strength fasteners,

preferably, the supporting device comprises six supporting columns, and the supporting columns are uniformly distributed on two sides of the base along the axial direction of the rotating shaft in a pairwise opposite mode.

The utility model discloses further set up to: the supporting device also comprises a second supporting seat for supporting the bearing seat, the second supporting seat is fixedly connected with the first supporting seat,

preferably, the supporting device also comprises a height adjusting structure for adjusting the height of the bearing seat, the distance between the workpiece and the first template is adjusted to 3-5mm through the height adjusting structure,

more preferably, the height adjusting structure includes a height adjusting plate disposed between the bearing housing and the second support housing.

The utility model discloses further set up to: the rotating device also comprises a driving structure for driving the rotating shaft to rotate, the driving structure is arranged on the second supporting seat,

preferably, the driving structure comprises a servo motor and a speed reducer, and the rotating shaft is driven to rotate through a synchronous gear and a synchronous belt.

The utility model discloses further set up to: the supporting device also comprises a guiding and positioning structure for guiding and positioning the second template to reciprocate up and down,

preferably, the guiding and positioning structure comprises a positioning plate arranged below the second supporting seat and a guiding plate arranged on the second bearing structure and in sliding fit with the positioning plate,

more preferably, the positioning plate includes a positioning slide way perpendicular to the first support seat, the two opposite ends of the second bearing structure and the bearing seat are provided with first guide plates extending into the positioning slide way, and the two sides of the two opposite ends of the second bearing structure and the bearing seat are further provided with second guide plates in sliding fit with the positioning plate.

The utility model discloses further set up to: the press machine also comprises a power device for providing power for the second template to move upwards,

preferably, the power device abuts between the base and the second bearing structure,

more preferably, the power device comprises at least two jacks which are synchronously controlled and evenly distributed.

The utility model discloses further set up to: the press machine also comprises a resetting structure for assisting the second template to move downwards and reset,

preferably, the resetting structure comprises a resetting elastic element, one end of the resetting elastic element is connected with the first guide plate, the other end of the resetting elastic element is connected with the first supporting seat,

more preferably, the return elastic element is a return spring.

After the technical scheme is adopted, compared with the prior art, the utility model following beneficial effect has.

1. Through the utility model discloses the pressure that introduces is provided with rotary device, rotary device can rotate the work piece to predetermined angle in extrusion's in-process to make things convenient for extrusion device to relapse extrusion to the work piece of different angles, need not to dismantle work piece angle of adjustment during, use manpower sparingly, convenient operation for the shaping process, and can realize the extrusion of multi-angle.

2. Through the utility model provides a press, the at least partial suit of work piece is outside at the rotation axis and rotatory along with the rotation axis, and the bearing is passed through to the at least one end of rotation axis and is fixed in the bearing frame. The workpiece is simple and convenient to disassemble and install.

3. Through the utility model provides a press, the base and the lid of subdivision formula bearing frame are separable, and rotation axis accessible detachable upper cover is direct to be dismantled, makes things convenient for the installation and the dismantlement of rotation axis and work piece.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

FIG. 1 is a front view of the press of the present invention;

FIG. 2 is a left side view of the press of the present invention;

fig. 3 is a top view of the press of the present invention.

In the figure: 1. a first support base; 2. a power plant; 3. a second template; 4. a second load bearing structure; 5. a bearing seat; 6. a servo motor; 7. a speed reducer, 8 and a support column; 9. a first guide plate; 10. a reset structure; 11. a second guide plate; 12. a first load bearing structure; 13. a first template; 14. a workpiece; 15. a rotating shaft; 16. prepressing the elastic element; 17. positioning a plate; 18. An upper cover; 19. a base; 20. a height adjustment structure; 21. and a second support seat.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, 2, and 3, the present invention provides a press machine, including: a rotating device that rotates the workpiece 14 to a preset angle; and the extrusion device is matched with the rotating device to extrude the workpiece 14 after the workpiece 14 rotates to a preset angle. The press includes rotary device, rotary device can rotate work piece 14 to predetermined angle at extrusion's in-process to make things convenient for extrusion device to carry out extrusion repeatedly to the work piece 14 of different angles, need not to dismantle 14 angle of adjustment of work piece during, use manpower sparingly, convenient operation for the shaping process, and can realize the extrusion of multi-angle. The press machine further comprises a control device for controlling the extrusion device and the rotating device, wherein the control device controls parameters such as extrusion force, pressure maintaining time, extrusion time and pressure relief time of the extrusion device, and controls parameters such as rotating speed, rotating angle and positioning of the rotating device, and a PLC (programmable logic controller) is generally used.

Example one

As shown in fig. 1, 2, and 3, in the press described in this embodiment, the rotating device includes a rotating shaft 15, the workpiece 14 is at least partially sleeved outside the rotating shaft 15 and rotates with the rotating shaft 15, and at least one end of the rotating shaft 15 is fixed in the bearing seat 5 through a bearing. The workpiece 14 is simple and convenient to disassemble and assemble. One scheme is that a part of a workpiece 14 is sleeved at one end of a rotating shaft 15, one end of the rotating shaft 15 is fixed in a bearing seat 5 through a bearing, and the other end of the rotating shaft is suspended so as to facilitate the sleeving and the disassembling of the workpiece 14. The other scheme is that the workpiece 14 is sleeved outside the rotating shaft 15, and two ends of the workpiece are fixed in the bearing seat 5 through bearings. In the other scheme, the workpiece 14 is partially sleeved outside the rotating shaft 15, and two ends of the rotating shaft 15 are fixed in the bearing seats 5 through bearings.

Preferably, both ends of the rotating shaft 15 are fixed in the bearing seats 5 through bearings, and the bearings are stressed uniformly and cannot be bent or damaged due to large local stress.

More preferably, the bearing seat 5 is a split bearing seat 5, and includes a base 19 and a cover detachably connected to the base 19, and the rotating shaft 15 is detachably fixed in the bearing seat 5 through a bearing. The base 19 of the split bearing seat 5 is separable from the cover body, and the rotating shaft 15 can be directly detached through the detachable upper cover 18, so that the rotating shaft 15 and the workpiece 14 can be conveniently mounted and detached.

It is also preferred that the bearing housing 5 further comprises at least two sets of fasteners passing through the cover to attach the cover to the base, the fasteners being distributed on either side of the axis of rotation 15. The fastener passes the lid and is connected with base 19, and the installation is convenient with dismantling.

The rotating device further comprises a reciprocating structure for realizing reciprocating motion of the rotating shaft along the extrusion stress direction, and the rotating shaft 15 is prevented from moving due to deformation of the workpiece 14 in the extrusion process, so that the rotating shaft 15 is prevented from deforming.

Preferably, the reciprocating structure includes an elastic element disposed on the bearing seat 5 and used for realizing the reciprocating motion of the bearing seat 5 along the extrusion force-bearing direction, in this embodiment, the bearing seat 5 may be a split bearing seat 5, or a part of the split bearing seat 5. Preferably a split bearing housing 5 to facilitate the installation of the workpiece 14. The bearing seat 5 reciprocates along the extrusion stress direction, and the rotating shaft 15 also realizes the reciprocating motion along the extrusion stress direction under the driving of the bearing seat 5, so that the extrusion deformation of the rotating shaft 15 is prevented.

Preferably, reciprocating structure including leaning on between lid and the fastener, realize lid along extrusion atress direction reciprocating motion's pre-compaction elastic element 16, lid can follow extrusion atress direction reciprocating motion, rotation axis 15 can take place the displacement when work piece 14 receives the extrusion, rotation axis 15 drives lid along extrusion atress direction reciprocating motion when extrusion atress direction reciprocating motion, lid or base damage when preventing that the lid can't follow extrusion atress direction reciprocating motion, perhaps rotation axis 15 takes place to deform. The fastening pieces and the prepressing elastic elements 16 are distributed on two sides of the rotating shaft, when the rotating shaft 15 realizes reciprocating motion with the base 19, the prepressing elastic elements 16 also provide prepressing force for the cover body, the prepressing fixes the position of the cover body, the cover body is prevented from dislocation, the dislocation in the reciprocating motion process of the rotating shaft 15 is also prevented, and the reciprocating motion of the rotating shaft 15 is limited.

More preferably, the fastener is a screw/bolt and the pre-stressed elastic element 16 is a pre-stressed spring. The screws/bolts pass through the through holes of the spring and the cover to be connected with the base 19. Wherein the screw/bolt is a high-strength screw/bolt.

Further, the rotating device further comprises a mounting structure for detachably connecting the cover body to the base 19. The mounting structure can realize the detachable connection between the cover body and the base 19, and also provides power for the reciprocating motion between the cover body and the base 19, the cover body does not need to be completely removed, and the rotating shaft 15 and the workpiece 14 can be detached and mounted only by separating the cover body from the base 19 for a certain distance.

Example two

As shown in fig. 1, 2 and 3, on the basis of the above embodiment, the pressing device includes the first die plate 13 and the second die plate 3 which are oppositely disposed on both sides of the workpiece 14 to press the workpiece 14, and the first die plate 13 and/or the second die plate 3 are relatively moved to press the workpiece 14. The pressing device is used for press-molding the workpiece 14, and the first die plate 13 and the second die plate 3 are disposed opposite to each other on both sides of the workpiece 14, either one or both of which are moved to press the workpiece 14. The method comprises three schemes, wherein the first template 13 moves relatively to the second template 3 to press the workpiece 14, the second template 3 moves relatively to the first template 13 to press the workpiece 14, and the first template 13 and the second template 3 both move relatively to press the workpiece 14.

Preferably, the first die plate 13 is disposed above the second die plate 3, and the second die plate 3 is moved up to press the workpiece 14. In general, the workpiece 14 may be pressed by moving the first die plate 13 downward, or the workpiece 14 may be pressed by moving the first die plate 13 downward and moving the second die plate 3 upward, in this application, it is preferable that the workpiece 14 is pressed by moving the second die plate 3 upward, the pressing force is easier to control, and the first die plate 13 is not excessively pressed by gravity.

EXAMPLE III

As shown in fig. 1, 2 and 3, on the basis of the above embodiment, the press machine further comprises a supporting device for supporting the pressing device and the rotating device. The supporting device is used for supporting and fixing the extruding device and the rotating device, fixedly supporting the extruding device and the rotating device at corresponding heights and providing a space for the second template 3 to float up and down. Meanwhile, the supporting device is arranged to prevent damage to the ground.

Preferably, the supporting means comprises a plurality of supporting columns 8, a first carrying structure 12 carrying the first formwork 13, and a second carrying structure 4 carrying the second formwork 3, the first carrying structure 12 being supported above the second carrying structure 4 by the supporting columns 8. The first carrier structure 12 supports the first formwork 13 above the second formwork 3.

More preferably, the supporting device further comprises a first supporting seat 1, the second bearing structure 4 is arranged above the first supporting seat 1, one end of the supporting column 8 is connected with the first supporting seat 1, and the other end is detachably connected with the first bearing structure 12 so as to support the first bearing structure 12 above the second bearing structure 4 and the workpiece 14. Set up first supporting seat 1, prevent that pressure from acting on ground through support column 8, also prevent that the pressure direct action of second load-bearing structure 4 from ground, prevent the local injury to ground.

It is also preferred that the first form 13 is detachably connected below the first load-bearing structure 12 by high-strength fasteners, and the second form 3 is detachably connected above the first load-bearing structure 12 by high-strength fasteners, wherein the high-strength fasteners are high-strength bolts or high-strength screws.

Preferably, the supporting device comprises six supporting columns 8, and the supporting columns 8 are uniformly distributed on two sides of the base 19 along the axial direction of the rotating shaft 15 in a pairwise opposite mode. Set up six support columns 8 for first load-bearing structure 12 atress is even, prevents that first load-bearing structure 12 from taking place deformation because of local atress is big. Since the length of the rotating shaft 15 is generally much greater than the diameter thereof, the distribution of the six supporting columns 8 along the axial direction of the rotating shaft 15 prevents the first carrying structure 12 from being deformed. The number of the support columns 8 is different according to the length of the rotating shaft 15, the longer the rotating shaft 15 is, the more the support columns 8 are, the shorter the rotating shaft 15 is, the fewer the support columns 8 are, and at least four support columns 8 are needed to support the first carrying structure 12.

Further, the supporting device further comprises a second supporting seat 21 for supporting the bearing seat 5, and the second supporting seat 21 is fixedly connected with the first supporting seat 1. The second support seat 21 fixedly supports the bearing housing 5 above the first support seat 1. The rotary shaft 15 and the workpiece 14 are further supported above the second template 3 by the bearing housing 5.

Preferably, the supporting device further comprises a height adjusting structure 20 for adjusting the height of the bearing seat 5, and the distance between the workpiece 14 and the first template 13 is adjusted to 3-5mm by the height adjusting structure 20, so as to prevent hands from being accidentally placed between the workpiece 14 and the first template 13 and being squeezed during operation.

More preferably, the height adjusting structure 20 includes a height adjusting plate disposed between the bearing housing 5 and the second support seat 21. The height of the bearing seat 5 can be adjusted, the distance between the surface of the workpiece 14 to be formed and the first template 13 is adjusted to adapt to different target workpieces 14, the utilization rate of the press capable of automatically rotating the workpiece 14 is improved, the adjusting mode is flexible, materials are conveniently obtained, and the cost is saved.

Further, the supporting device also comprises a guiding and positioning structure for guiding and positioning the second template 3 to reciprocate up and down, so that the second template 3 is prevented from shifting in the reciprocating process, and extrusion is prevented from failing to reach the position or danger is prevented.

Preferably, the guiding and positioning structure comprises a positioning plate 17 disposed below the second supporting seat 21, and further comprises a guiding plate disposed on the second bearing structure 4 and slidably engaged with the positioning plate 17. The guide plate is in sliding fit with the positioning plate 17, so that the guide positioning effect of the reciprocating motion of the second template 3 is realized, and the friction force and the noise cannot be increased for the reciprocating motion. Because including two second supporting seats 21, so set up two sets of guiding orientation structure, the guiding orientation effect is even.

More preferably, the positioning plate 17 includes a positioning slide perpendicular to the first support seat 1, the two opposite ends of the second bearing structure 4 and the bearing seat 5 are provided with first guide plates 9 extending into the positioning slide, and the two sides of the two opposite ends of the second bearing structure 4 and the bearing seat 5 are further provided with second guide plates 11 slidably engaged with the positioning plate 17. The positioning slide way is in sliding fit with the first guide plate 9, guides and positions the up-and-down reciprocating motion of the second template 3, and prevents the second template 3 from radially deviating towards the rotating shaft 15; the second guide plate 11 is matched with the positioning plate 17 at two sides of the positioning slide way to guide and position the up-and-down reciprocating motion of the second template 3, so as to prevent the second template 3 from axially deviating to the rotating shaft 15.

Example four

As shown in fig. 1, 2 and 3, in addition to the above embodiments, the rotating device further includes a driving structure for driving the rotating shaft 15 to rotate, and the driving structure is disposed on the second supporting seat 21. The PLC controls the action of the driving structure.

The driving structure comprises a servo motor 6 and a speed reducer 7, and a rotating shaft 15 is driven to rotate through a synchronous gear and a synchronous belt. The PLC can set the speed of the servo motor 6 and has the functions of setting a zero point, being fast, being slow, being inching, being fast in positioning and the like.

Further, the press machine also comprises a power device 2 for providing power for the upward movement of the second template 3. The power device 2 provides power for the upward movement of the second template 3, and when the power device 2 does not provide power, the second template 3 moves downward under the gravity action of the second template and the second bearing structure 4. Only the power of moving upwards is needed to be provided, and the power energy is saved.

Preferably, the power device 2 abuts between the base 19 and the second bearing structure 4, and the second bearing structure 4 provides power for the up-and-down reciprocating motion of the second template 3.

More preferably, the power unit 2 comprises at least two jacks which are controlled synchronously and distributed uniformly. In general, when the weight of the workpiece 14 is relatively heavy, a large number of jacks are required, or when the length of the rotating shaft 15 is relatively long, a large number of jacks are required, and three jacks are used in the present application. The oil supply of the jack adopts a mode that a high-pressure electric pump station is matched with a high-pressure distribution valve to supply oil in a centralized manner, a high-pressure electric contact pressure gauge is used for providing pressure indication, and high-pressure and low-pressure signals are sent out.

Further, the press machine also comprises a resetting structure 10 for assisting the second template 3 to move downwards for resetting. Because the second template 3 is moved down by its own weight and the second carrying structure 4, the restoring structure 10 is provided so that the second template 3 can be restored to the original point as soon as possible. In order to make the functions of the restoring structure 10 uniform, it is generally preferable that the restoring structures 10 are arranged opposite to each other, and are generally arranged at the two second supporting seats 21, so that the force applied to the second die plate 3 is uniform and the second die plate 3 is not displaced.

Preferably, the reset structure 10 includes a reset elastic element, one end of the reset elastic element is connected to the first guide plate 9, and the other end of the reset elastic element is connected to the first support base 1, and when the power device 2 does not provide upward moving power, the elastic force of the elastic element helps the second template 3 to return to the original point as soon as possible.

More preferably, the return elastic element is a return spring. Simple structure and convenient installation.

EXAMPLE five

On the basis of the above embodiment, the embodiment discloses a working process of a press, which includes the following steps:

s1, sleeving the workpiece 14 outside the rotating shaft 15, installing the workpiece in the base 19 and installing the upper cover 18;

s2, the rotating shaft 15 rotates for multiple times, and the power device 2 drives the second template 3 to move upwards to extrude the workpiece 14 in a matching way for multiple times.

Further, before the workpiece 14 is sleeved outside the rotating shaft 15, the first bearing structure 12 is detached from the supporting column 8, the upper cover 18 is detached from the base 19, the workpiece 14 is sleeved outside the rotating shaft 15, the upper cover 18 is installed, and the first bearing structure 12 is installed on the supporting column 8. The upper cover 18 is mounted by using the pre-pressing spring and the fastener, and the tightness degree of the pre-pressing spring is adjusted.

Further, the center of the first die plate 13 and the center of the workpiece 14 to be formed are aligned and set as a reference zero point; setting the angle of the workpiece 14 to be rotated each time in a PLC (programmable logic controller) according to the characteristic rule of the workpiece 14 to be formed; selecting an automatic operation state on a panel of a PLC (programmable logic controller), pressing down an operation button of a control system, sending an instruction by the PLC, controlling a servo driver to drive a servo motor 6 and a speed reducer 7 to drive a rotating shaft 15 and a workpiece 14 to be molded to rotate for a set angle, and stopping; then the PLC sends out an instruction to enable the high-pressure electric pump to simultaneously drive the three jacks to drive the second bearing structure 4 to move upwards along the positioning plate 17, and the second template 3 supports the workpiece 14 to be formed to move upwards; the workpiece 14 to be formed is lifted to the first template 13, the jack is lifted to the pressure of the electric contact pressure gauge to a set value, and the electric contact pressure gauge sends a signal to the PLC controller that the pressure reaches a target value; the PLC controller keeps the pressure of the jack for a preset time after a set time delay, and the first template 13 and the second template 3 complete extrusion on the workpiece 14 to be formed; then the PLC controller sends a signal to enable the high-pressure electric pump to release pressure, and the jack is accelerated to reset under the action of the pulling force of the reset spring and the gravity of the second bearing structure 4; the PLC controller sends an instruction to control the servo driver to drive the servo motor 6 and the speed reducer 7 to drive the rotating shaft 15 and the workpiece 14 to be formed to rotate to a next set angle and then stop, the control system automatically circulates the processes, extrusion forming of the first template 13 and the lower template on the target workpiece 14 is sequentially completed, and after the extrusion times set in the PLC controller are completed, the system automatically stops running.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention still fall within the scope of the present invention.

Claims (10)

1. A press machine is characterized by comprising a rotating device for rotating a workpiece to a preset angle, an extrusion device matched with the rotating device for extruding the workpiece after the workpiece rotates to the preset angle, and a control device for controlling the extrusion device and the rotating device.

2. Press according to claim 1, characterized in that the rotating means comprise a rotating shaft, the work piece being at least partly fitted outside the rotating shaft and rotating with the rotating shaft, the rotating shaft being fixed at least at one end in a bearing housing by means of a bearing,

both ends of the rotating shaft are fixed in the bearing seats through bearings,

the bearing seat is a split bearing seat and comprises a base and a cover body detachably connected with the base, a rotating shaft is detachably fixed in the bearing seat through a bearing,

the bearing seat further comprises at least two groups of fasteners penetrating through the cover body to connect the cover body to the base, and the fasteners are distributed on two sides of the rotating shaft.

3. Press according to claim 2, characterized in that the rotating means comprise a reciprocating structure effecting a reciprocating movement of the rotating shaft in the direction of the pressing force,

the reciprocating structure comprises an elastic element which is arranged on the bearing seat and realizes the reciprocating motion of the bearing seat along the extrusion stress direction,

and/or the reciprocating structure comprises a prepressing elastic element which is abutted between the cover body and the fastening piece and realizes the reciprocating motion of the cover body along the extrusion stress direction.

4. Press according to any one of claims 1-3, wherein the pressing means comprises a first die plate and a second die plate arranged opposite each other on both sides of the workpiece for pressing the workpiece, the first die plate and/or the second die plate being relatively movable for pressing the workpiece,

the first die plate is disposed above the second die plate, which moves up to press the workpiece.

5. Press according to claim 4, characterized in that it further comprises support means supporting the pressing means and the rotating means,

the supporting device comprises a plurality of supporting columns, a first bearing structure for bearing the first template, and a second bearing structure for bearing the second template, the first bearing structure is supported above the second bearing structure through the supporting columns,

the supporting device also comprises a first supporting seat, a second bearing structure is arranged above the first supporting seat, one end of the supporting column is connected with the first supporting seat, the other end of the supporting column is detachably connected with the first bearing structure so as to support the first bearing structure above the second bearing structure and the workpiece,

the first template is detachably connected below the first bearing structure through a high-strength fastener, the second template is detachably connected above the first bearing structure through a high-strength fastener,

the supporting device comprises six supporting columns, and the supporting columns are uniformly distributed on two sides of the base along the axial direction of the rotating shaft in a pairwise opposite mode.

6. Press according to claim 5, characterized in that the support means further comprise a second support seat supporting the bearing seat, the second support seat being fixedly connected to the first support seat,

the supporting device also comprises a height adjusting structure for adjusting the height of the bearing seat, the distance between the workpiece and the first template is adjusted to 3-5mm through the height adjusting structure,

the height adjusting structure comprises a height adjusting plate arranged between the bearing seat and the second supporting seat.

7. Press according to claim 6, characterized in that said rotating means further comprise driving means for driving the rotation of the rotating shaft, said driving means being provided on the second support seat,

the driving structure comprises a servo motor and a speed reducer, and the rotating shaft is driven to rotate through a synchronous gear and a synchronous belt.

8. Press according to claim 6, wherein the support means further comprise a guide positioning structure for guiding and positioning the second die plate for reciprocating up and down,

the guiding and positioning structure comprises a positioning plate arranged below the second supporting seat and a guiding plate arranged on the second bearing structure and in sliding fit with the positioning plate,

the positioning plate comprises a positioning slide way perpendicular to the first supporting seat, two end parts of the second bearing structure opposite to the bearing seat are provided with first guide plates extending into the positioning slide way, and two sides of two end parts of the second bearing structure opposite to the bearing seat are also provided with second guide plates in sliding fit with the positioning plate.

9. Press according to claim 5, characterized in that it further comprises power means for powering the upward movement of the second die plate,

the power device is abutted between the base and the second bearing structure,

the power device comprises at least two jacks which are synchronously controlled and uniformly distributed.

10. The press of claim 9, further comprising a reset mechanism that assists in the downward movement of the second platen,

the resetting structure comprises a resetting elastic element, one end of the resetting elastic element is connected with the first guide plate, the other end of the resetting elastic element is connected with the first supporting seat,

the reset elastic element is a reset spring.