CN219098314U

CN219098314U - Spherical pressing mechanism for bending center

Info

Publication number: CN219098314U
Application number: CN202222625117.1U
Authority: CN
Inventors: 许金城; 张忠振; 赵曾杰; 魏心彬
Original assignee: Qingdao Aiteyun Intelligent Automation Equipment Co ltd
Current assignee: Qingdao Aiteyun Intelligent Automation Equipment Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-05-30
Anticipated expiration: 2032-09-30

Abstract

The utility model discloses a spherical pressing mechanism for a bending center, which relates to the technical field of bending centers and comprises a spherical deformation rod, a pressing cover and a pressing plate, wherein the spherical deformation rod is connected with the pressing cover, and the pressing cover is connected with the pressing plate; the ball change pole is equipped with the body of rod, be equipped with the linking portion on the body of rod, be equipped with spherical universal head on the linking portion, the ball changes the pole and can realize the slope rotation of circumference certain angle with the pressure disk, through setting up ball pole and gland, pressure disk when using, can realize that ball change the pole and be certain angle along circumference on the pressure disk, replaced current depression bar and the single perpendicular fixed relation of pressure disk, very big improvement the pressure disk compress tightly the effect to panel, avoided when the pressure disk that appears ball pressure disk and below makes it not parallel because of the error of processing or installation to produce pressure disk and pressure disk compress tightly untight condition to panel, improved the precision of bending of panel.

Description

Spherical pressing mechanism for bending center

Technical Field

The utility model relates to the technical field of bending centers, in particular to a spherical pressing mechanism for a bending center.

Background

The pressing arm pressing mechanism of the existing bending center is a variable rod, a pressing plate and a pressure-bearing plate which are vertically fixed, the requirements on machining and manual installation are very high, if machining and installation errors occur, when the pressing plate and the pressure-bearing plate press the plate to rotate, the plate can be stressed unevenly, the plate can not be pressed, the plate cannot be rotated in place, and therefore bending precision is affected.

The prior publication No. CN112893527A publication No. 20210604 discloses a flexible bending center press arm integral structure, which comprises a C-shaped press arm, a sliding mechanism is arranged below the C-shaped press arm, a pressing mechanism is connected to the free end above the C-shaped press arm, the pressing mechanism comprises a first driving unit, a first transmission mechanism and a pressing bearing, a pressure bearing mechanism is connected to the free end below the C-shaped press arm, the pressure bearing mechanism comprises a second driving unit, a pressure bearing plate, a pressure bearing seat and a rotary base block, wherein the pressure bearing seat is fixedly connected to the C-shaped press arm, the rotary base block is in rotary connection with the pressure bearing seat through a bearing, the pressure bearing in the patent is in threaded connection with a pressing cover and a pressing plate, so that effective pressing can be completed only by ensuring that the pressure bearing plates below the pressure bearing plate are parallel to each other when the pressure bearing and the pressing shaft are installed, the requirement on installation is very high, and the pressing plate pressing effect of the pressure plate is always ensured by paying attention to the parallel relation with the pressure bearing plate in the use process.

Disclosure of Invention

According to the utility model, when the pressing plate is used, a certain angle is formed between the spherical deformation rod and the pressing plate along the circumferential direction, so that the single vertical fixing relation between the existing pressing rod and the pressing plate is replaced, the pressing effect of the pressing plate on the plate is greatly improved, the situation that the pressing plate and the pressing plate are not tightly pressed due to the fact that the pressing plate and the pressing plate are not parallel due to machining or mounting errors is avoided, when the situation that the pressing plate and the pressing plate are not parallel and the pressing plate are not tightly combined is caused, the spherical deformation rod and the spherical pressing plate can automatically adjust along with the pressing plate (the pressing plate is a fixed end), the fact that the combination caused by the errors is not tight is eliminated, uneven stress is avoided, the fact that the plate cannot be influenced due to the fact that the pressing plate is not pressed when the plate is rotated is ensured, meanwhile, the mounting requirements of the pressing plate and the pressing plate are not tightly pressed are avoided, and the parallel relation of the pressing plate and the pressing plate is not required to be focused at any time when the pressing plate is used.

The technical aim of the utility model is realized by the following technical scheme:

a spherical hold-down mechanism for bending center, its characterized in that: the device comprises a ball-shaped variable rod, a gland and a pressure plate, wherein the gland is connected to the ball-shaped variable rod, and the pressure plate is connected to the gland; the ball-shaped variable rod is provided with a rod body, a connecting part is arranged on the rod body, a ball-shaped universal head is arranged on the connecting part, and the ball-shaped variable rod can realize inclination rotation with a pressing plate in a circumferential direction by a certain angle.

Through adopting above-mentioned technical scheme, can guarantee to utilize spherical universal head and gland, pressure disk to combine, utilize the timely adjustment through inclination on the pressure disk of spherical universal head when pressure disk and pressure bearing disk are nonparallel to this guarantees that the pressure disk is parallel relation with the pressure bearing disk of bottom constantly, and the panel of maximum effect compresses tightly.

Further, the gland is divided into a left sheet body and a right sheet body, the middle parts of the left sheet body and the right sheet body are communicated with each other to form a first spherical hole, a second spherical hole is formed below the first spherical hole, and the diameter of the first spherical hole is smaller than that of the second spherical hole.

Through adopting above-mentioned technical scheme, can guarantee to utilize and divide into left lamellar body and right lamellar body with the gland can be convenient with the smooth installation of the spherical universal head on the spherical change pole in first spherical hole and second spherical hole, let its spherical change the linking portion of pole be located first spherical hole, let its spherical universal head place in the second spherical hole, utilize first spherical hole to restrict the spherical universal head simultaneously, prevent that the spherical universal head from taking out and droing.

Further, the pressure plate is provided with an upper end and a lower end, the cross-sectional area of the lower end is larger than that of the upper end, and a third spherical hole concentric with the second spherical hole and with the same diameter is formed in the upper end.

Through adopting above-mentioned technical scheme, can guarantee to utilize first spherical hole, second spherical hole and third spherical hole to constitute a spherical cavity of completion, can be complete hold down whole spherical universal head through this spherical cavity, the third spherical hole can play the support limiting displacement to spherical universal head simultaneously.

Further, a friction buffer layer is arranged at the lower end part of the pressure plate.

Through adopting above-mentioned technical scheme, can guarantee to utilize the friction buffer layer can avoid the pressure disk to directly avoid the fish tail panel with panel contact when compressing tightly panel, can absorb simultaneously and come from the too big pressure of ball deformation pole, can increase the frictional force between pressure disk and the panel when utilizing pressure bearing disk and pressure disk to rotate panel, prevent that the pressure disk from skidding and lead to rotating not in place.

Further, a first bolt hole is formed in the left sheet body and the right sheet body in a penetrating mode.

Further, a second bolt hole is formed in the upper end portion.

Through adopting above-mentioned technical scheme, can guarantee to utilize first bolt hole and second bolt hole can arrange the spherical universal head in the first spherical hole and the second spherical hole and the third spherical hole of gland and pressure disk in, link gland and pressure disk as a whole.

Further, the diameter of the first spherical hole is larger than the diameter of the engagement portion.

Through adopting above-mentioned technical scheme, can guarantee to utilize the aperture clearance that produces by cylinder hole and linking portion diameter, can let the ball deformation pole realize the ball through the rotation of spherical universal head and change the angle between pole and the pressure disk, the ball changes pole and pressure disk and can rotate and incline at will in any direction promptly.

In summary, the beneficial technical effects of the utility model are as follows:

(1) The ball deformation rod, the gland and the pressure plate are utilized to realize the rotation in any direction between the ball deformation rod and the gland as well as between the pressure plate, when the situation that the pressure plate and the underlying pressure plate are not parallel due to the processing or mounting errors occurs, the situation that the combination of the pressure plate and the pressure plate is not tight is generated, the ball deformation rod and the ball pressure plate can automatically adjust along with the pressure plate (the pressure plate is a fixed end), the combination caused by the errors is not tight, the stress is uneven, the accuracy is not influenced by the fact that the plate is not pressed when the plate rotates is ensured, and the mounting requirements of the pressure plate and the pressure plate are reduced

(2) The gland is designed into the left sheet body and the right sheet body, so that the installation of the spherical universal head on the gland and the pressure plate is greatly facilitated.

(3) The friction buffer pad can effectively avoid compaction deformation and scratch of the plate due to overlarge ball deformation rod pressure, and simultaneously increases the friction force when the plate rotates, so that the plate rotates more smoothly and is in place.

Drawings

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

FIG. 2 is a schematic view of the structure of the spherical variable lever of the present utility model;

FIG. 3 is a schematic diagram of the gland structure of the present utility model;

FIG. 4 is a schematic view of the platen structure of the present utility model;

FIG. 5 is an assembled schematic view of the present utility model;

FIG. 6 is a schematic view of the present utility model in use on a press arm;

FIG. 7 is an enlarged schematic view of portion A of FIG. 5;

fig. 8 is an enlarged schematic view of a portion B of fig. 6.

Reference numerals: 1. pressing an arm; 2. a ball-shaped deformation rod; 3. a rod body; 4. a joint portion; 5. a spherical universal head; 6. a gland; 7. a left sheet body; 8. a right sheet body; 9. a first spherical hole; 10. a second spherical hole; 11. a pressure plate; 12. a third spherical hole; 13. a friction buffer layer; 14. an upper end portion; 15. a lower end portion; 16. a first bolt hole; 17. a second bolt hole; 18. a motor; 19. a speed reducer; 20. a connecting rod; 21. a screw rod; 22. a slider top plate; 23. a guide rail; 24. a pressure-bearing disc; 25. a base; 26. a rotating electric machine.

Detailed Description

The present utility model will be described more fully hereinafter with reference to the accompanying examples.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

In the description of the embodiments, the terms "disposed," "connected," and the like are to be construed broadly unless otherwise specifically indicated and defined. For example, the connection can be fixed connection, detachable connection or integral connection; can be mechanically or electrically connected; can be directly connected, can be connected through an intermediary medium, and can also be communicated with the inside of two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-5, there is shown a ball hold-down mechanism for a bending center comprising; the ball-shaped variable rod 2 is provided with a rod body 3, one end of the rod body 3 is provided with a connecting part 4, the connecting part 4 is cylindrical, one end of the connecting part 4 is provided with a ball-shaped universal head 5, a gland 6 is sleeved on the ball-shaped universal head 5, the gland 6 is divided into a left sheet body 7 and a right sheet body 8, a first spherical hole 9 and a second spherical hole 10 are formed in each of the left sheet body 7 and the right sheet body 8, the diameter of the first spherical hole 9 is smaller than that of the second spherical hole 10, the diameter of the first spherical hole 9 is larger than that of the cross section of the connecting part 4, a first bolt hole 16 is formed in each of the left sheet body 7 and the right sheet body 8, and the first bolt hole 16 is used for connecting a pressing plate 11 at the bottom;

the bottom of gland 6 is connected with pressure disk 11, and pressure disk 11 is equipped with upper end 14 and lower tip 15, and the third spherical hole 12 with the same diameter of second spherical hole 10 has been seted up to the center of upper end 14, and through first spherical hole 9, second spherical hole 10 and the spherical cavity of constitution that third spherical hole 12 can be accomplished, lower tip 15 is equipped with friction buffer layer 13, and friction buffer layer 13 material is the rubber material, through bolt or gluey and lower tip 15 are fixed.

Referring to fig. 5 and 7, when assembling the ball-shaped variable rod 2, the gland 6 and the pressing plate 11, firstly, the ball-shaped universal head 5 of the ball-shaped variable rod 2 is placed in the third ball-shaped hole 12 at the upper end 14 of the pressing plate 11, then the left sheet 7 and the right sheet 8 of the gland 6 are buckled on the ball-shaped universal head 5, the effect achieved at this time is that the first ball-shaped hole 9 and the second ball-shaped hole 10 completely wrap the ball-shaped universal head 5, the joint 4 of the ball-shaped variable rod 2 is just positioned in the first ball-shaped hole 9, then the gland 6 provided with the ball-shaped universal head 5 is connected with the pressing plate 11 through the first bolt hole 16 and the second bolt hole 17, and at this time, the ball-shaped variable rod 2 can be freely rotated in any direction by taking the third ball-shaped hole 12 as the center under the condition that the pressing plate 11 is not moved.

When the pressing arm is used, referring to fig. 6, the spherical variable rod 2 provided with the pressing cover 6 and the pressing plate 11 is arranged on the base 25 of the pressing arm 1, the lower end 15 of the pressing plate 11 is in opposite relation with the bearing plate 24 of the pressing arm 1, the motor 18 at the top of the pressing arm 1 is started when a plate is pressed, the motor 18 drives the lead screw 21 through the speed reducer 19, the lead screw 21 drives the slide block top plate 22 at one end, the slide block top plate 22 slides forwards under the action of the guide rail 23 at the bottom, the forward sliding of the slide block top plate 22 drives the connecting rod 20 at one end to move downwards, then the connecting rod 20 presses the base 25 at one end and the spherical variable rod 2 connected with the base downwards, the spherical variable rod 2 drives the bearing plate 24 to rotate through the rotating motor 18 at the bottom of the bearing plate 24 when the plate rotates, and the plate 11 and the bearing plate 24 rotate under the friction extrusion action of the pressing plate, and the pressing plate 11 at the upper part rotates.

When the pressing plate 11 moves downwards, the pressing plate 11 is rotationally connected with the spherical variable rod 2 through the spherical universal head 5, so that after the pressing plate 11 is abutted against a plate, the spherical variable rod 2 automatically adjusts the angle between the spherical variable rod 2 and the plate along with the plate surface, and the pressing plate 11, the plate and the bearing plate 24 are all in parallel.

The contact area between the pressing plate 11 and the plate can be greatly increased by arranging the spherical universal head 5, and the plate is pressed tightly and simultaneously prevented from being extruded and deformed due to the small contact area and large pressure intensity.

The above description is only a preferred embodiment of the present utility model, and is not intended to limit the scope of the present utility model. All equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. A spherical hold-down mechanism for bending center, its characterized in that: the novel ball press comprises a ball deformation rod (2), a press cover (6) and a press disc (11), wherein the press cover (6) is connected to the ball deformation rod (2), and the press disc (11) is connected to the press cover (6); the spherical variable rod (2) is provided with a rod body (3), the rod body (3) is provided with a connecting portion (4), the connecting portion (4) is provided with a spherical universal head (5), and the spherical variable rod (2) can realize circumferential inclination rotation with a pressing plate (11).

2. A ball hold-down mechanism for a bending center as defined in claim 1, wherein: the gland (6) is divided into a left sheet body (7) and a right sheet body (8), a first spherical hole (9) is formed in the middle of the left sheet body (7) and the right sheet body (8) in a penetrating mode, a second spherical hole (10) is formed in the lower portion of the first spherical hole (9), and the diameter of the first spherical hole (9) is smaller than that of the second spherical hole (10).

3. A ball hold-down mechanism for a bending center as defined in claim 1, wherein: the pressure plate (11) is provided with an upper end (14) and a lower end (15), the cross-sectional area of the lower end (15) is larger than that of the upper end (14), and the upper end (14) is provided with a third spherical hole (12) concentric with the second spherical hole (10) and with the same diameter.

4. A ball hold-down mechanism for a bending center as defined in claim 1, wherein: the lower end (15) of the pressure plate (11) is provided with a friction buffer layer (13).

5. A ball hold-down mechanism for a bending center as defined in claim 2, wherein: the left sheet body (7) and the right sheet body (8) are provided with first bolt holes (16) in a penetrating mode.

6. A ball hold-down mechanism for a bending center as defined in claim 3, wherein: the upper end portion (14) is provided with a second bolt hole (17).

7. A ball hold-down mechanism for a bending centre as claimed in claim 2, wherein: the diameter of the first spherical hole (9) is larger than that of the joint part (4).