CN110102622B

CN110102622B - Press machine

Info

Publication number: CN110102622B
Application number: CN201910171511.2A
Authority: CN
Inventors: 彭森林; 裴桂鑫; 薛学; 袁明清; 侯伟; 吴运梅; 陈栋; 刘家鑫
Original assignee: Beijing Zhongfang Jingye Electromechanical Device Co ltd
Current assignee: Beijing Zhongfang Jingye Electromechanical Device Co ltd
Priority date: 2019-03-07
Filing date: 2019-03-07
Publication date: 2024-04-26
Anticipated expiration: 2039-03-07
Also published as: CN110102622A

Abstract

The invention discloses a press machine, comprising: the rotating device rotates the workpiece to a preset angle; and the extrusion device is matched with the rotating device and extrudes the workpiece after the workpiece rotates to a preset angle. The press machine is provided with the rotating device, so that the workpiece can be rotated to a preset angle in the extrusion molding process, the extrusion device can conveniently and repeatedly extrude the workpiece at different angles, the angle adjustment of the workpiece is not required to be disassembled during the extrusion molding process, the labor is saved, the operation is convenient, the molding process is accelerated, and the multi-angle extrusion molding can be realized.

Description

Press machine

Technical Field

The invention belongs to the technical field of press-fitting workpiece forming, and particularly relates to a press machine.

Background

The press is a common device in the manufacturing industry, and has the characteristics of wide application, high production efficiency and the like. The press can be widely applied to cutting, punching, blanking, bending, riveting, forming and other processes. The metal is plastically deformed and broken by applying strong pressure to the metal blank to process the part. However, for some large-sized workpieces, such as workpieces requiring repeated stamping, repeated disassembly of the workpiece and installation at a variable angle to extrude at different angles are very complicated and troublesome, and clamping and fixing similar to round workpieces are also very difficult, or hollow parts of hollow workpieces are also prone to undesirable deformation during extrusion.

The present invention has been made in view of this.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a press.

In order to solve the technical problems, the invention adopts the basic conception of the technical scheme that:

A press, comprising:

The rotating device rotates the workpiece to a preset angle;

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

The invention is further provided with: the rotating device comprises a rotating shaft, a workpiece is at least partially 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 seat 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,

It is also preferred that the bearing housing further comprises at least two sets of fasteners passing through the cover to connect the cover to the base, the fasteners being distributed on both sides of the rotational axis.

The invention is further provided with: the rotating device also comprises a reciprocating structure for realizing 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 pre-pressing 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 invention is further provided with: 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 invention is further provided with: the press further comprises a support device for supporting the pressing device and the rotating device,

Preferably, the support means comprises a plurality of support columns, a first load bearing structure carrying a first formwork, and a second load bearing structure carrying a second formwork, the first load bearing structure being supported above the second load bearing structure by the support 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 to support the first bearing structure above the second bearing structure and the workpiece,

It is also preferred that the first template is removably attached to the underside of the first load bearing structure by high strength fasteners, the second template is removably attached to the underside of the first load bearing structure by high strength fasteners,

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

The invention is further provided with: 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 further 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 by 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 invention is further provided with: 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 invention is further provided with: 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 comprises a positioning slide rail perpendicular to the first supporting seat, the two ends of the second bearing structure, which are opposite to the bearing seat, are provided with first guide plates extending into the positioning slide rail, and the two sides of the two ends of the second bearing structure, which are opposite to the bearing seat, are also provided with second guide plates in sliding fit with the positioning plate.

The invention is further provided with: the press further includes a power unit for powering the upward movement of the second die plate,

Preferably, the power means is arranged to bear between the base and the second load bearing structure,

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

The invention is further provided with: the press further includes a reset structure to assist in resetting the downward movement of the second die plate,

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

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

By adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects.

1. The pressure introduced by the invention is provided with the rotating device, and the rotating device can rotate the workpiece to a preset angle in the extrusion molding process, so that the extrusion device can conveniently and repeatedly extrude the workpieces with different angles, the workpiece is not required to be disassembled during the extrusion molding process, the angle adjustment is saved, the operation is convenient, the molding process is accelerated, and the multi-angle extrusion molding can be realized.

2. According to the press machine disclosed by the invention, a workpiece is at least partially sleeved outside a rotating shaft and rotates along with the rotating shaft, and at least one end of the rotating shaft is fixed in a bearing seat through a bearing. The disassembly and the installation of the workpiece are simple and convenient.

3. According to the press machine disclosed by the invention, the base and the cover body of the split bearing seat can be separated, and the rotating shaft can be directly disassembled through the detachable upper cover, so that the rotating shaft and a workpiece can be conveniently assembled and disassembled.

The following describes the 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 and 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. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort. In the drawings:

FIG. 1 is a front view of a 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 device; 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 rotation shaft; 16. pre-pressing the elastic element; 17. a positioning plate; 18. An upper cover; 19. a base; 20. a height adjustment structure; 21. and a second supporting seat.

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

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured 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 should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1,2 and 3, the press machine according to the present invention comprises: a rotating device for rotating the workpiece 14 to a preset angle; 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 comprises a rotating device, the rotating device can rotate the workpiece 14 to a preset angle in the extrusion forming process, so that the workpiece 14 with different angles can be repeatedly extruded and formed by the extruding device conveniently, the workpiece 14 is not required to be disassembled during the extrusion forming process, the labor is saved, the operation is convenient, the forming process is accelerated, and the multi-angle extrusion forming can be realized. The press also 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, pressure release time and the like of the extrusion device, and the control device controls parameters such as rotating speed, rotating angle and positioning of the rotating device, and a PLC (programmable logic controller) is generally used.

Example 1

As shown in fig. 1,2 and 3, the press machine according to the present embodiment 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 disassembly and assembly of the workpiece 14 is simple and convenient. One proposal is that a workpiece 14 is partially 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 is suspended to facilitate the sleeving and the dismounting of the workpiece 14. The other scheme is that the workpiece 14 is entirely sleeved outside the rotating shaft 15, both ends of the workpiece are fixed in the bearing seat 5 through bearings, and the bearings in the scheme are uniformly stressed and cannot be bent or damaged due to large local stress. In addition, the workpiece 14 is partially sleeved outside the rotating shaft 15, two ends of the rotating shaft 15 are fixed in the bearing seat 5 through bearings, and the bearings in the scheme are uniformly stressed and cannot be bent or damaged due to large local stress.

Preferably, both ends of the rotating shaft 15 are fixed in the bearing seat 5 through bearings, the bearing is uniformly stressed, and bending or damage caused by large local stress can be avoided.

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 rotation shaft 15 is detachably fixed in the bearing seat 5 through a bearing. The base 19 and the cover body of the split bearing seat 5 can be separated, and the rotary shaft 15 can be directly disassembled through the detachable upper cover 18, so that the rotary shaft 15 and the workpiece 14 can be conveniently assembled and disassembled.

It is also preferred that the bearing housing 5 further comprises at least two sets of fasteners passing through the cover to connect the cover to the base, the fasteners being distributed on both sides of the rotation shaft 15. The fastener passes through the lid and is connected with base 19, and installation and dismantlement are convenient.

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

Preferably, the reciprocating structure includes an elastic element disposed on the bearing seat 5 to realize the reciprocating motion of the bearing seat 5 along the extrusion stress direction, in this embodiment, the bearing seat 5 may be a split bearing seat 5, or may be a split bearing seat 5. Preferably split bearing housing 5, facilitates the installation of workpiece 14. The bearing seat 5 reciprocates along the extrusion stress direction, and the rotary shaft 15 also reciprocates along the extrusion stress direction under the drive of the bearing seat 5, so that the rotary shaft 15 is prevented from extrusion deformation.

Preferably, the reciprocating structure includes a pre-pressing elastic element 16 that abuts between the cover and the fastener to realize the reciprocating movement of the cover along the extrusion stress direction, the cover can reciprocate along the extrusion stress direction, the rotating shaft 15 can displace when the workpiece 14 is extruded, and the rotating shaft 15 drives the cover to reciprocate along the extrusion stress direction while reciprocating along the extrusion stress direction, so as to prevent the cover or the base from being damaged when the cover cannot reciprocate along the extrusion stress direction, or the rotating shaft 15 deforms. The fastener and the pre-pressing elastic element 16 are distributed on two sides of the rotating shaft, when the rotating shaft 15 performs reciprocating motion with the base 19, the pre-pressing elastic element 16 also provides pre-pressing force for the cover body, the position of the cover body is pre-pressed and fixed, dislocation of the cover body is prevented, dislocation in the reciprocating motion process of the rotating shaft 15 is also prevented, and reciprocating motion of the rotating shaft 15 is limited.

More preferably, the fastener is a screw/bolt and the pre-compression resilient element 16 is a pre-compression spring. The screws/bolts pass through the through holes of the springs and the cover and are 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 to the base 19. The mounting structure not only can realize the detachable connection between the cover body and the base 19, but also can provide power for the reciprocating motion between the cover body and the base 19, and the cover body is not required to be thoroughly removed, and the rotary shaft 15 and the workpiece 14 can be detached and mounted only by separating the cover body from the base 19 by a certain distance.

Example two

As shown in fig. 1, 2 and 3, the extruding device includes a first die plate 13 and a second die plate 3 which are oppositely disposed at both sides of the workpiece 14 to extrude the workpiece 14, and the first die plate 13 and/or the second die plate 3 relatively move to extrude the workpiece 14. The extrusion device is used for extruding the workpiece 14, and the first template 13 and the second template 3 are oppositely arranged on two sides of the workpiece 14, wherein either one or both of the first template and the second template move to extrude the workpiece 14. Three schemes are included, the first die plate 13 moves relatively toward the second die plate 3 to press the workpiece 14, the second die plate 3 moves relatively toward the first die plate 13 to press the workpiece 14, and both the first die plate 13 and the second die plate 3 move 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 upward to press the workpiece 14. In general, the first die plate 13 arranged above can be moved downwards to extrude the workpiece 14, or the first die plate 13 can be moved downwards and the second die plate 3 can be moved upwards to extrude the workpiece 14, and the extrusion force is easier to control and does not cause the situation that the first die plate 13 is extruded in a transition way under the action of gravity.

Example III

As shown in fig. 1, 2 and 3, the press further comprises a supporting device for supporting the pressing device and the rotating device on the basis of the above-mentioned embodiments. The supporting device is used for supporting and fixing the extrusion device and the rotating device, and fixedly supporting the extrusion device and the rotating device at corresponding heights, so that a space for floating the second template 3 up and down is provided. And meanwhile, the supporting device is arranged to prevent the ground from being damaged.

Preferably, the support means comprises a plurality of support columns 8, a first load-bearing structure 12 carrying a first formwork 13, and a second load-bearing structure 4 carrying a second formwork 3, the first load-bearing structure 12 being supported above the second load-bearing structure 4 by the support 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 to support the first bearing structure 12 above the second bearing structure 4 and the workpiece 14. The first supporting seat 1 is arranged to prevent pressure from acting on the ground through the supporting columns 8 and also prevent the pressure of the second bearing structure 4 from directly acting on the ground and preventing local damage to the ground.

It is also preferred that the first template 13 is detachably connected below the first carrying structure 12 by high strength fasteners, and the second template 3 is detachably connected above the first carrying structure 12 by high strength fasteners, which are high strength bolts or high strength screws.

It is further preferred that the support means comprises six support columns 8, which support columns 8 are evenly distributed on both sides of the base 19 in pairs opposite each other in the axial direction of the rotation axis 15. Six support columns 8 are arranged, so that the stress of the first bearing structure 12 is uniform, and the deformation of the first bearing structure 12 due to the large local stress is prevented. Also because the length of the rotation shaft 15 is typically much greater than its diameter, the axial distribution of the six support columns 8 along the rotation shaft 15 prevents deformation of the first load bearing structure 12. The number of support columns 8 varies according to the length of the rotation axis 15, the longer the rotation axis 15, the more support columns 8, the shorter the rotation axis 15, the fewer support columns 8, at least four support columns 8 being required to support the first load bearing 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. Further, the rotation shaft 15 and the workpiece 14 are supported above the second die plate 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 that the workpiece 14 and the first template 13 are prevented from being carelessly put between hands and squeezed up during operation.

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

Further, the supporting device further 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 being deviated in the reciprocating process, and the second template is prevented from being extruded out of place or being dangerous.

Preferably, the guiding and positioning structure comprises a positioning plate 17 arranged below the second supporting seat 21, and further comprises a guiding plate arranged on the second bearing structure 4 in sliding fit with the positioning plate 17. The guide plate is in sliding fit with the positioning plate 17, so that the guide positioning effect on the reciprocating motion of the second template 3 is realized, and friction force and noise are not increased for the reciprocating motion. Because of comprising two second supporting seats 21, two groups of guiding and positioning structures are arranged, and the guiding and positioning functions are uniform.

More preferably, the positioning plate 17 comprises a positioning slide rail perpendicular to the first supporting seat 1, the two ends of the second bearing structure 4 opposite to the bearing seat 5 are provided with first guide plates 9 extending into the positioning slide rail, and the two sides of the two ends of the second bearing structure 4 opposite to the bearing seat 5 are also provided with second guide plates 11 in sliding fit 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 deviating to the radial direction of the rotating shaft 15; the second guide plates 11 are matched with the positioning plates 17 on two sides of the positioning slide ways in a slide way, so that the second template 3 is guided and positioned to reciprocate up and down, and the second template 3 is prevented from deviating axially towards the rotating shaft 15.

Example IV

As shown in fig. 1, 2 and 3, 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.

Preferably, the driving structure comprises a servo motor 6 and a speed reducer 7, and the 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 zero point setting, rapid, slow, inching, rapid positioning and the like.

Further, the press also comprises a power unit 2 for powering the upward movement of the second die plate 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 downwards under the action of gravity of the second template and the second bearing structure 4. Only power for upward movement is needed, so that power energy is saved.

Preferably, the power device 2 is abutted between the base 19 and the second bearing structure 4, and the second bearing structure 4 is used for providing 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 synchronously controlled and uniformly distributed. In general, when the weight of the workpiece 14 is relatively heavy, more jacks are required, or when the length of the rotary shaft 15 is long, more jacks are required, and three jacks are used in the present application. The jack supplies oil in a centralized way by selecting a high-pressure electric pump station to match with a high-pressure distributing valve, and a high-pressure electric contact pressure gauge is used for providing pressure indication and sending out high-pressure and low-pressure signals.

Further, the press also comprises a reset structure 10 which assists in resetting the downward movement of the second die plate 3. Since the second template 3 is moved down by its own weight and the second carrying structure 4, the reset structure 10 is provided so that the second template 3 can be restored to the origin as soon as possible. In order to make the action of the reset structure 10 uniform, the reset structures 10 are arranged oppositely, and are preferably arranged at the two second supporting seats 21, so that the force applied to the second template 3 is uniform, and the second template 3 cannot deviate.

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

More preferably, the return elastic element is a return spring. Simple structure, simple to operate.

Example five

On the basis of the above embodiment, the working process of the press is disclosed in this embodiment, and includes the following steps:

S1, sleeving a workpiece 14 outside a rotating shaft 15, installing the workpiece 14 in a base 19 and installing an upper cover 18;

S2, the rotary shaft 15 rotates for a plurality of times, and the power device 2 is matched with the second template 3 to drive the second template 3 to move upwards for extruding the workpiece 14 for a plurality of times.

Further, before the workpiece 14 is sleeved outside the rotating shaft 15, the first bearing structure 12 is detached from the support 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 support column 8. The upper cover 18 is installed by using a pre-compression spring and a fastener, and the tightness of the pre-compression spring is adjusted.

Further, the center of the first template 13 and the center of the workpiece 14 to be formed are aligned, and a reference zero point is set; setting the angle of each time of rotation of the workpiece 14 in the PLC according to the characteristic rule of the workpiece 14 to be formed; selecting an automatic operation state on a PLC controller panel, pressing a control system operation button, and sending an instruction by the PLC controller to control 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 formed to rotate for a set angle and then stopping; then the PLC controller sends out an instruction to enable the high-pressure electric pump to drive three jacks simultaneously 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 through a set delay, and the first template 13 and the second template 3 finish extrusion on the workpiece 14 to be formed; then the PLC controller sends out a signal to enable the high-voltage electric pump to release pressure, and the jack accelerates to reset under the action of the tension of the reset spring and the gravity of the second bearing structure 4; the PLC controller sends out instructions 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 the next set angle and then stop, the control system automatically circulates the processes, the 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 foregoing description is only illustrative of the preferred embodiment of the present invention, and is not to be construed as limiting the invention, but is to be construed as limiting the invention to any and all simple modifications, equivalent variations and adaptations of the embodiments described above, which are within the scope of the invention, may be made by those skilled in the art without departing from the scope of the invention.

Claims

1. A press, comprising:

The rotating device rotates the workpiece to a preset angle;

The extrusion device is matched with the rotating device and extrudes the workpiece after the workpiece rotates to a preset angle;

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, and at least one end of the rotating shaft is fixed in the bearing seat through a bearing;

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

The bearing seat also comprises at least two groups of fasteners which penetrate through the cover body to connect the cover body to the base, and the fasteners are distributed on two sides of the rotating shaft;

The rotating device further comprises a reciprocating structure for realizing the reciprocating motion of the rotating shaft along the extrusion stress direction;

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;

the reciprocating structure comprises a pre-pressing elastic element which is abutted between the cover body and the fastening piece and can realize the reciprocating motion of the cover body along the extrusion stress direction.

2. The press of claim 1, wherein the rotating shaft is secured at both ends in bearing blocks by bearings.

3. Press according to claim 2, characterized in that the fastening means are screws/bolts and the pre-stressed resilient element is a pre-stressed spring.

4. A press as claimed in any one of claims 1 to 3, wherein the pressing means comprises first and second dies disposed opposite each other on opposite sides of the workpiece to press the workpiece, the first and/or second dies being moved relative to each other to press the workpiece.

5. The press of claim 4, wherein the first die plate is disposed above the second die plate, and the second die plate moves upward to press the workpiece.

6. The press of claim 5, further comprising a support device that supports the pressing device and the rotating device.

7. The press of claim 6, wherein the support means comprises a plurality of support columns, a first load bearing structure carrying the first die plate, and a second load bearing structure carrying the second die plate, the first load bearing structure being supported above the second load bearing structure by the support columns.

8. The press of claim 7, wherein the support device further comprises a first support base, the second load bearing structure is disposed above the first support base, one end of the support column is connected to the first support base, and the other end is detachably connected to the first load bearing structure to support the first load bearing structure above the second load bearing structure and the workpiece.

9. The press of claim 8, wherein the first die plate is removably attached to the lower side of the first load bearing structure by high strength fasteners and the second die plate is removably attached to the upper side of the second load bearing structure by high strength fasteners.

10. The press of claim 7, wherein the support means comprises six support columns which are uniformly and pairwise opposed on both sides of the base along the axial direction of the rotation shaft.

11. The press of claim 8, wherein the support device further comprises a second support base supporting the bearing housing, the second support base being fixedly connected to the first support base.

12. The press of claim 11, wherein the support means further comprises a height adjustment structure for adjusting the height of the bearing block, and the distance between the workpiece and the first die plate is adjusted to 3-5mm by the height adjustment structure.

13. The press of claim 12, wherein the height adjustment structure comprises a height adjustment plate disposed between the bearing housing and the second support housing.

14. The press of claim 11, wherein the rotating means further comprises a driving structure for driving the rotation shaft to rotate, the driving structure being provided on the second support base.

15. The press of claim 14, wherein the drive structure includes a servo motor and a speed reducer, and the rotation shaft is driven to rotate by a synchronizing gear and a timing belt.

16. The press of claim 11, wherein the support means further comprises a guide positioning structure for guiding and positioning the second die plate for up-and-down reciprocation.

17. The press of claim 16, wherein the guide positioning structure includes a positioning plate disposed below the second support base, and further comprising a guide plate disposed on the second load bearing structure in sliding engagement with the positioning plate.

18. The press of claim 17, wherein the positioning plate comprises a positioning slide perpendicular to the first support base, first guide plates extending into the positioning slide are arranged on two ends of the second bearing structure opposite to the bearing base, and second guide plates in sliding fit with the positioning plate are arranged on two sides of two ends of the second bearing structure opposite to the bearing base.

19. The press of claim 8, further comprising a power device for powering the upward movement of the second die plate.

20. The press of claim 19, wherein the motive means is disposed between the first support base and the second load bearing structure.

21. The press of claim 20, wherein the power means comprises at least two synchronously controlled, evenly distributed jacks.

22. The press of claim 19, further comprising a reset feature that assists in resetting the downward movement of the second die plate.

23. The press of claim 22, wherein the return structure comprises a return spring member having one end connected to the first guide plate and the other end connected to the first support base.

24. The press of claim 23, wherein the return resilient element is a return spring.