阅读说明：本技术 一种折弯机用定位夹紧工作台 (Positioning and clamping workbench for bending machine ) 是由 王金成 芦锋 于 2021-09-03 设计创作，主要内容包括：本发明公开了一种折弯机用定位夹紧工作台,包括送料旋转机械手、承托台,承托台包括定位设备和支撑台架；定位设备包括左定位装置和右定位装置；左定位装置包括左机架和前后移动架；前后移动架的顶部两侧安装有移动毛刷板,左机架上安装有左固定毛刷板；右定位装置包括右机架和右固定毛刷板；前后移动架和右机架上均安装有横向移动组件；支撑台架包括左支撑架体、右支撑架体、左台板和右台板；左台板和右台板上均有若干柔性支撑体；本发明的左定位装置前后可以移动,不论板料是否以共线端面定位时,该设备都可以轻松应对,支撑台架与板材之间接触面较小,便于板材在承托台的台面上移动,送料旋转机械能够对板材实现送料、定位和旋转。(The invention discloses a positioning and clamping workbench for a bending machine, which comprises a feeding rotary manipulator and a bearing platform, wherein the bearing platform comprises positioning equipment and a supporting rack; the positioning equipment comprises a left positioning device and a right positioning device; the left positioning device comprises a left machine frame and a front and back moving frame; the two sides of the top of the front and rear moving frame are provided with moving brush plates, and the left frame is provided with a left fixed brush plate; the right positioning device comprises a right frame and a right fixed brush plate; the front and rear moving frames and the right frame are both provided with a transverse moving assembly; the support rack comprises a left support rack body, a right support rack body, a left bedplate and a right bedplate; the left bedplate and the right bedplate are both provided with a plurality of flexible supporting bodies; the left positioning device can move back and forth, the equipment can easily deal with whether the plate is positioned by the collinear end face or not, the contact surface between the support rack and the plate is small, the plate can conveniently move on the table top of the bearing table, and the feeding rotating machinery can feed, position and rotate the plate.)

1. A positioning and clamping workbench for a bending machine comprises a feeding rotary manipulator and is characterized by further comprising a bearing platform, wherein the bearing platform comprises positioning equipment and a supporting rack, and the positioning equipment and the supporting rack are connected into a whole;

the positioning equipment comprises a left positioning device and a right positioning device, and a gap is reserved between the left positioning device and the right positioning device;

the left positioning device comprises a left rack and a front and back moving rack, and the front and back moving rack is slidably arranged in a concave cavity in the center of the left rack; the front and rear moving frame is in transmission connection with a front and rear moving driving assembly arranged on the left frame; comb-tooth-shaped movable brush plates are arranged on two sides of the top of the front and rear movable frame, and a left fixed brush plate matched and spliced with the movable brush plates on the two sides of the front and rear movable frame is arranged on the left frame;

the right positioning device comprises a right frame and a right fixed brush plate arranged at the top of the right frame;

the front and rear moving frames and the right rack are both provided with a transverse moving assembly, and the transverse moving assembly comprises a transverse moving driving device and a positioning clamping piece in transmission connection with the transverse moving driving device;

the front and rear moving frame is fixedly connected with the transverse moving driving device, and the front and rear moving frame is in sliding connection with the positioning clamping piece;

the right rack is fixedly connected with the transverse movement driving device, and the right rack is in sliding connection with the positioning clamping piece;

strip-shaped positioning fastener moving openings are respectively reserved between the moving brush plates arranged on the two sides of the top of the front-back moving frame and in the middle of the right fixed brush plate;

the supporting rack comprises a left supporting rack body, a right supporting rack body, a left bedplate and a right bedplate, wherein the left bedplate is installed at the top of the left supporting rack body, and the right bedplate is installed at the top of the right supporting rack body; a plurality of flexible supporting bodies are distributed on the left bedplate and the right bedplate; a gap is reserved between the left support frame body and the right support frame body;

the base of the feeding rotary manipulator is arranged below the supporting rack, a material rack of the feeding rotary manipulator extends out of the left platen and the right platen through a gap between the left supporting rack and the right supporting rack, and the material rack can reciprocate in the gap between the left supporting rack and the right supporting rack; the pushing device, the lower pressing block and the upper pressing block of the feeding rotary manipulator can act in the gap between the left support frame body and the right support frame body and in the gap between the left positioning device and the right positioning device.

2. The positioning and clamping workbench for the bending machine according to claim 1, wherein the positioning clamping piece comprises a shell, a clamping tongue and a driving cylinder, a sliding block is arranged on one side of the shell, and sliding rails matched with the sliding block are arranged on the front and rear moving frame and the right frame; the middle part of the clamping tongue is hinged to the top opening of the shell, the top end of the clamping tongue extends out of the top opening of the shell, and the bottom end of the clamping tongue is located in the shell and provided with a strip-shaped hole; the driving air cylinder is fixedly connected outside the shell, a piston rod of the driving air cylinder extends into the shell and is hinged with the strip-shaped hole at the bottom end of the clamping tongue through a pin shaft.

3. The positioning and clamping workbench for the bending machine as claimed in claim 2, wherein the clamping tongues and the driving air cylinders are arranged in two groups and are arranged in parallel.

4. The positioning and clamping workbench for the bending machine according to claim 3, wherein said forward and backward movement driving assembly comprises a first driving motor, a first lead screw and a first nut, said first nut is screwed on said first lead screw, and said first nut is fixedly connected with said forward and backward movement frame; the first lead screw is fixed on the left rack through a bearing, a first synchronous belt pulley mounted at one end of the first lead screw is connected with a second synchronous belt pulley mounted on a motor shaft of the first driving motor through a synchronous belt in a transmission manner, and the first driving motor is fixedly mounted at the bottom of the left rack.

5. The positioning and clamping workbench for the bending machine according to claim 4, wherein said lateral movement driving device comprises a second driving motor, a second lead screw and a second nut, said second nut is screwed on said second lead screw, and said second nut is fixedly connected with the bottom of said housing; the front and rear moving frame and the right frame are fixed on the second lead screw through bearings; a third synchronous belt pulley arranged at one end of the second screw rod is in transmission connection with a fourth synchronous belt pulley arranged on a motor shaft of the second driving motor through a synchronous belt; the second driving motor is installed on the front and rear moving frame or the right frame.

6. The positioning and clamping workbench for a bending machine according to claim 1, wherein said flexible supports are supporting brushes, said supporting brushes are mounted in uniformly distributed mounting holes at the top of said left and right platens, and the bristles of said supporting brushes extend out of said mounting holes.

7. The positioning and clamping table for a bending machine as claimed in claim 1, wherein extension plates are attached to the left and right platens on sides thereof remote from said positioning device.

Technical Field

The invention relates to the technical field of bending machines, in particular to a positioning and clamping workbench for a bending machine.

Background

The bending machine is a machine capable of bending a thin plate, and mainly comprises a support, a bearing platform and a clamping plate, wherein the bearing platform is arranged on the support and consists of a base and a pressing plate, the base is connected with the clamping plate through a hinge, the base consists of a seat shell, a coil and a cover plate, the coil is arranged in a recess of the seat shell, the cover plate is covered on the top of the recess, the coil is electrified by a lead when the bending machine is used, and attractive force is generated on the pressing plate after the coil is electrified, so that the clamping of the thin plate between the pressing plate and the base is realized.

The bending supporting platform of the bending machine is often provided with a plate positioning device, the existing plate positioning device generally adopts two stop blocks to position a part to be bent, a single symmetrical positioning mechanism can only be used for positioning a plate with a symmetrical shape, and the plate is not suitable for being used when the plate is in an asymmetrical shape. When the bevel edge with a complex structure needs to be bent, the bevel edge cannot be accurately positioned, the situations that parts cannot be bent or the bending size cannot meet the requirements and the like often occur in production, meanwhile, the support of the table board of the existing bending supporting table for the plate cannot meet the bending requirement, the contact surface between the table board of the supporting table and the plate is large, and the plate cannot be conveniently moved on the table board of the supporting table.

The chinese utility model patent CN209792325U discloses a feeding rotary manipulator, which comprises a base and a rack, wherein the rack can reciprocate horizontally relative to the base under the driving of a rack driving device; the material rack is of a C-shaped structure, a horizontal moving seat is arranged at the upper part of the material rack, an up-down moving seat is arranged on one side of the upper part of the material rack, and the up-down moving seat is hinged with the horizontal moving seat through a connecting rod; an upper rotating device is arranged on the up-and-down moving seat, the upper rotating device is in driving connection with a pressure rod, and an upper pressing block is arranged at the lower end of the pressure rod; a lower rotating device is arranged on one side of the lower part of the material rack, and a lower pressing block is arranged on an output shaft of the lower rotating device; the lower pressing block is positioned right below the upper pressing block; the output shaft of the lower rotating device is coaxial with the pressure lever; and a pushing device is arranged in the throat of the material rack. The utility model discloses the manipulator cooperation host computer of bending uses, can realize that panel need not three-dimensional motion, can realize various processes of bending, and panel location, translation and rotation are realized by this manipulator on table surface.

The rotary feeding manipulator disclosed in the chinese utility model CN209792325U only has the functions of rotation and clamping, and cannot perform effective positioning on the plate.

The workbench combining the feeding rotary manipulator and the bearing platform does not exist in the prior art, the feeding is often carried out manually, the plate is fixed on the positioning mechanism, the potential safety hazard is avoided, and the automation degree is low.

Therefore, the problem that needs to be solved by those skilled in the art is how to provide a positioning and clamping workbench for a bending machine, which can flexibly position a plurality of plates.

Disclosure of Invention

Accordingly, the present invention is directed to a positioning and clamping table for a bending machine that solves at least one of the problems set forth in the background section above.

In order to realize the scheme, the invention adopts the following technical scheme:

a positioning and clamping workbench for a bending machine comprises a feeding rotary manipulator and a bearing platform, wherein the bearing platform comprises positioning equipment and a supporting rack;

the positioning equipment comprises a left positioning device and a right positioning device, and a gap is reserved between the left positioning device and the right positioning device;

the left positioning device comprises a left rack and a front and back moving rack, and the front and back moving rack is slidably arranged in a concave cavity in the center of the left rack; the front and rear moving frame is in transmission connection with a front and rear moving driving assembly arranged on the left frame; comb-tooth-shaped movable brush plates are arranged on two sides of the top of the front and rear movable frame, and a left fixed brush plate matched and spliced with the movable brush plates on the two sides of the front and rear movable frame is arranged on the left frame;

the right positioning device comprises a right frame and a right fixed brush plate arranged at the top of the right frame;

the front and rear moving frames and the right rack are both provided with a transverse moving assembly, and the transverse moving assembly comprises a transverse moving driving device and a positioning clamping piece in transmission connection with the transverse moving driving device;

the front and rear moving frame is fixedly connected with the transverse moving driving device, and the front and rear moving frame is in sliding connection with the positioning clamping piece;

the right rack is fixedly connected with the transverse movement driving device, and the right rack is in sliding connection with the positioning clamping piece;

strip-shaped positioning fastener moving openings are respectively reserved between the moving brush plates arranged on the two sides of the top of the front-back moving frame and in the middle of the right fixed brush plate;

the supporting rack comprises a left supporting rack body, a right supporting rack body, a left bedplate and a right bedplate, wherein the left bedplate is installed at the top of the left supporting rack body, and the right bedplate is installed at the top of the right supporting rack body; a plurality of flexible supporting bodies are distributed on the left bedplate and the right bedplate; a gap is reserved between the left support frame body and the right support frame body;

the base of the feeding rotary manipulator is arranged below the supporting rack, a material rack of the feeding rotary manipulator extends out of the left platen and the right platen through a gap between the left supporting rack and the right supporting rack, and the material rack can reciprocate in the gap between the left supporting rack and the right supporting rack; the pushing device, the lower pressing block and the upper pressing block of the feeding rotary manipulator can act in the gap between the left support frame body and the right support frame body and in the gap between the left positioning device and the right positioning device.

Preferably, in the positioning and clamping workbench for the bending machine, the positioning clamping piece comprises a shell, a clamping tongue and a driving cylinder, a sliding block is arranged on one side of the shell, and sliding rails matched with the sliding block are arranged on the front and rear moving frame and the right frame; the middle part of the clamping tongue is hinged to the top opening of the shell, the top end of the clamping tongue extends out of the top opening of the shell, and the bottom end of the clamping tongue is located in the shell and provided with a strip-shaped hole; the driving air cylinder is fixedly connected outside the shell, a piston rod of the driving air cylinder extends into the shell and is hinged with the strip-shaped hole at the bottom end of the clamping tongue through a pin shaft.

Preferably, in the positioning and clamping workbench for a bending machine, two sets of the clamping tongues and the driving cylinders are arranged in parallel.

Preferably, in the positioning and clamping workbench for a bending machine, the forward-backward movement driving assembly includes a first driving motor, a first lead screw and a first nut, the first nut is in threaded connection with the first lead screw, and the first nut is fixedly connected with the forward-backward movement frame; the first lead screw is fixed on the left rack through a bearing, a first synchronous belt pulley mounted at one end of the first lead screw is connected with a second synchronous belt pulley mounted on a motor shaft of the first driving motor through a synchronous belt in a transmission manner, and the first driving motor is fixedly mounted at the bottom of the left rack.

Preferably, in the positioning and clamping workbench for a bending machine, the transverse movement driving device includes a second driving motor, a second lead screw and a second nut, the second nut is connected to the second lead screw in a threaded manner, and the second nut is fixedly connected to the bottom of the housing; the front and rear moving frame and the right frame are fixed on the second lead screw through bearings; a third synchronous belt pulley arranged at one end of the second screw rod is in transmission connection with a fourth synchronous belt pulley arranged on a motor shaft of the second driving motor through a synchronous belt; the second driving motor is installed on the front and rear moving frame or the right frame.

Preferably, in the positioning and clamping workbench for the bending machine, the flexible support body is a supporting brush, the supporting brush is installed in installation holes uniformly distributed at the tops of the left bedplate and the right bedplate, and bristles of the supporting brush extend out of the installation holes.

Preferably, in the positioning and clamping workbench for the bending machine, extension plates are connected to one sides, away from the positioning device, of the left bedplate and the right bedplate, and are used for shielding the end part of the base of the feeding rotary manipulator.

According to the technical scheme, compared with the prior art, the positioning and clamping workbench for the bending machine is provided, various bending processes can be realized without three-dimensional movement of the plate by the feeding rotary manipulator, and the positioning, the translation and the rotation of the plate on the working table surface are realized by the manipulator; the positioning equipment consists of a left positioning device and a right positioning device, wherein the right positioning device is fixed, and the left positioning device can move back and forth, so that the equipment can easily cope with the situation whether the plate is positioned by collinear end faces or not; the contact surface between the table board of the bearing table and the plate is small, so that the plate can move on the table board of the bearing table conveniently, and the table board of the bending bearing table can meet various bending requirements for supporting the plate.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic structural view of the susceptor;

FIG. 3 is a schematic diagram of the positioning apparatus;

FIG. 4 is a schematic view of the left positioning device;

FIG. 5 is a schematic structural view of the left positioning device without the movable brush plate and the left fixed brush plate;

FIG. 6 is a schematic view showing the internal structure of the left positioning device;

FIG. 7 is a schematic structural view of the right positioning device without the right stationary brush plate;

FIG. 8 is a schematic view of a positioning clip;

FIG. 9 is an enlarged view taken at A in FIG. 2;

fig. 10 is a schematic structural diagram of a feeding rotary manipulator.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The embodiment of the invention discloses a positioning and clamping workbench for a bending machine, which comprises a feeding rotary manipulator 29 and a bearing platform, wherein the bearing platform comprises positioning equipment and a supporting rack;

the positioning equipment comprises a left positioning device 1 and a right positioning device 2, and a gap is reserved between the left positioning device 1 and the right positioning device 2;

the left positioning device 1 comprises a left frame 3 and a front and back moving frame 4, and the front and back moving frame 4 is slidably arranged in a concave cavity in the center of the left frame 3; the front and rear moving frame 4 is in transmission connection with a front and rear moving driving component arranged on the left frame 3; the two sides of the top of the front and rear moving frame 4 are provided with comb-tooth-shaped moving brush plates 5, and the left frame 3 is provided with a left fixed brush plate 6 which is matched and spliced with the moving brush plates 5 on the two sides of the front and rear moving frame 4;

the right positioning device 2 comprises a right frame 7 and a right fixed brush plate 8 arranged at the top of the right frame 7;

the front and rear moving frames 4 and the right frame 7 are both provided with a transverse moving assembly, and the transverse moving assembly comprises a transverse moving driving device and a positioning clamping piece 9 in transmission connection with the transverse moving driving device;

the front and rear moving frame 4 is fixedly connected with the transverse moving driving device, and the front and rear moving frame 4 is slidably connected with the positioning clamping piece 9;

the right frame 7 is fixedly connected with the transverse movement driving device, and the right frame 7 is slidably connected with the positioning clamping piece 9;

strip-shaped positioning fastener moving openings are respectively reserved between the moving brush plates 5 arranged on the two sides of the top of the front and rear moving frame 4 and in the middle of the right fixed brush plate 8;

the supporting rack comprises a left supporting rack body 23, a right supporting rack body 24, a left bedplate 25 and a right bedplate 26, wherein the left bedplate 25 is installed at the top of the left supporting rack body 23, and the right bedplate 26 is installed at the top of the right supporting rack body 24; a plurality of flexible supporting bodies 27 are distributed on the left bedplate 25 and the right bedplate 26; a gap is reserved between the left support frame body 23 and the right support frame body 24;

a base 30 of the feeding rotary manipulator 29 is installed below the support rack, a rack 31 of the feeding rotary manipulator 29 extends above the left platen 25 and the right platen 26 through a gap between the left support frame 23 and the right support frame 24, and the rack 31 can reciprocate in the gap between the left support frame 23 and the right support frame 24; the pusher 32, the lower press 33, and the upper press 34 of the feed rotary robot 29 can move in the gap between the left support frame body 23 and the right support frame body 24, and in the gap between the left positioning device 1 and the right positioning device 2.

In order to further optimize the technical scheme, the positioning clamping piece 9 comprises a shell 10, a clamping tongue 11 and a driving cylinder 12, a sliding block is arranged on one side of the shell 10, and sliding rails matched with the sliding block are arranged on the front and rear moving frame 4 and the right rack 7; the middle part of the clamping tongue 11 is hinged on the top opening of the shell 10, the top end of the clamping tongue 11 extends out of the top opening of the shell 10, and the bottom end of the clamping tongue 11 is positioned in the shell 10 and is provided with a strip-shaped hole; drive actuating cylinder 12 fixed connection outside casing 10 to drive actuating cylinder 12's piston rod stretches into in the casing 10, and is articulated through the bar hole of round pin axle with 11 bottoms of block tongue.

In order to further optimize the technical scheme, two groups of clamping tongues 11 and driving cylinders 12 are arranged and arranged in parallel.

In order to further optimize the technical scheme, the forward and backward movement driving assembly comprises a first driving motor 13, a first lead screw 14 and a first nut 15, wherein the first nut 15 is in threaded connection with the first lead screw 14, and the first nut 15 is fixedly connected with the forward and backward movement frame 4; the first lead screw 14 is fixed on the left frame 3 through a bearing, a first synchronous belt pulley 16 mounted at one end of the first lead screw 14 is connected with a second synchronous belt pulley 17 mounted on a motor shaft of the first driving motor 13 through a synchronous belt, and the first driving motor 13 is fixedly mounted at the bottom of the left frame 3.

In order to further optimize the above technical solution, the lateral movement driving device includes a second driving motor 18, a second lead screw 19 and a second nut 20, the second nut 20 is screwed on the second lead screw 19, and the second nut 20 is fixedly connected with the bottom of the housing 10; the front and rear moving frame 4 and the right frame 7 are fixed on a second screw rod 19 through bearings; a third synchronous belt pulley 21 arranged at one end of the second screw rod 19 is in transmission connection with a fourth synchronous belt pulley 22 arranged on a motor shaft of the second driving motor 18 through a synchronous belt; the second driving motor 18 is mounted on the front and rear moving frame 4 or the right frame 7.

In order to further optimize the technical scheme, the flexible supporting body 27 is a supporting brush, the supporting brush is installed in installation holes evenly distributed at the tops of the left bedplate 25 and the right bedplate 26, and bristles of the supporting brush extend out of the installation holes.

In order to further optimize the above solution, an extension plate 28 is connected to the side of the left and right platens 25, 26 remote from the positioning device for mounting the panel clamping device.

The feeding rotary manipulator 29 comprises a base 30 and a material rack 31, and the material rack 31 can reciprocate horizontally relative to the base 30 under the drive of the material rack driving device; the material rack 31 is of a C-shaped structure, a horizontal moving seat is arranged at the upper part of the material rack 31, an up-down moving seat is arranged on one side of the upper part of the material rack 31, and the up-down moving seat is hinged with the horizontal moving seat through a connecting rod; an upper rotating device 36 is arranged on the up-and-down moving seat, the upper rotating device 36 is in driving connection with a pressure rod, and an upper pressing block 34 is arranged at the lower end of the pressure rod; a lower rotating device 35 is arranged on one side of the lower part of the material rack 31, and a lower pressing block 33 is arranged on an output shaft of the lower rotating device; the lower pressing block 33 is positioned right below the upper pressing block 34; the output shaft of the lower rotating device is coaxial with the pressure lever; a material pushing device 32 is arranged in the throat of the material frame.

The working principle is as follows:

when the end surfaces of the plates are collinear, the left positioning device 1 and the right positioning device 2 are adjusted to be parallel and level, the positions of the positioning clamping pieces 9 on the left positioning device 1 and the right positioning device 2 are adjusted through the transverse movement driving devices on the left positioning device 1 and the right positioning device 2, the distance adjustment is achieved, and then two corners of the plates are positioned through the positioning clamping pieces 9.

When the end surfaces of the plates are not collinear and are oblique lines or other irregular shapes, the distance of the front and rear moving frame 4 is adjusted by adjusting the front and rear moving driving assembly of the left positioning device 1, then the positions of the positioning clamping pieces 9 on the left positioning device 1 and the right positioning device 2 are adjusted by the transverse moving driving devices on the left positioning device 1 and the right positioning device 2, the distance adjustment is realized, and finally two non-collinear angles of the plates are positioned by the positioning clamping pieces 9.

The plurality of flexible supporting bodies 27 on the supporting rack can meet the supporting requirement on the plate;

the plate is clamped by the lower pressing block 33 and the upper pressing block 34 of the feeding rotary manipulator, the plate can be rotated by the lower rotating device 35 and the upper rotating device 36, the plate can be moved to the positioning equipment to be positioned by the material pushing device 32, various bending processes can be realized by matching with a bending host, and the positioning, the translation and the rotation of the plate on the working table surface are realized by the manipulator.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.