CN214053190U

CN214053190U - Mechanical type bender automatic feeding

Info

Publication number: CN214053190U
Application number: CN202021974535.6U
Authority: CN
Inventors: 费文彪; 李忠华
Original assignee: Anhui Jaco Nc Machine Manufacturing Co ltd
Current assignee: Anhui Jaco Nc Machine Manufacturing Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-08-27
Anticipated expiration: 2030-09-10

Abstract

The utility model discloses a mechanical type bender automatic feeding belongs to panel processing equipment field. The device comprises a frame, a box body, a stop pillar and a mechanical induction mechanism; the rack is provided with a guide rail along the feeding direction, the lower part of the box body is provided with a slide block matched with the guide rail, the box body is controlled by a box body driving mechanism to move along the guide rail, and the bumping post is arranged at the front end of the box body; the mechanical sensing mechanism comprises a rotating shaft, a guide rod, a connecting arm, a sensing arm and a sensor; the rotating shaft is vertically arranged, and the upper end and the lower end of the rotating shaft are respectively hinged with the upper end surface and the lower end surface of the box body; the connecting arm and the induction arm are fixedly sleeved on the rotating shaft, one end of the guide rod is fixedly connected with the stop lever, and the other end of the guide rod is hinged with the connecting arm; the sensor is arranged at the position corresponding to the induction arm on the inner side of the box body, and the sensor and the box body driving mechanism are electrically connected with the electric control device. The utility model discloses can realize the accurate positioning to panel position of bending when carrying out the pay-off to panel.

Description

Mechanical type bender automatic feeding

Technical Field

The utility model belongs to the technical field of the panel processing equipment, more specifically say, relate to a bender automatic feeding.

Background

The bending machine is important equipment for bending and forming workpieces in the sheet metal industry and is used for pressing steel plates into parts in various shapes according to process requirements. The bending machine is divided into a manual bending machine, a hydraulic bending machine and a numerical control bending machine, the hydraulic bending machine is taken as an example, the hydraulic bending machine mainly comprises a left stand column, a right stand column, a workbench and a cross beam, a left oil cylinder and a right oil cylinder are fixed on the stand columns, a sliding block is connected with a piston of the oil cylinder and moves up and down along a guide rail fixed on the stand columns, a lower die is fixed on the workbench, an upper die is installed at the lower end of the sliding block, a hydraulic system provides power, an electrical system gives instructions, and the sliding block drives the upper die to be closed downwards and the lower die to achieve bending of plates under the action of the oil cylinders.

When the existing bending machine bends a plate, the machining and positioning of the plate can be realized by adjusting the rear material blocking device on the rear side of the bending machine, the plate is conveyed into a position to be bent by manpower or a corresponding device, and after the plate is blocked from the rear side of the bending machine by the rear material blocking device, an upper die of the bending machine is pressed down to bend the plate.

For example, the Chinese patent application number is: cn201710309946.x, published as: patent literature on 8/2/2019 discloses a rear stock stop device of a bending machine, which relates to the technical field of stock stop equipment, and comprises a Z-axis square tube assembly, an R-axis square tube assembly, a first X-axis assembly and a second X-axis assembly; the Z-axis square tube assembly is connected with the R-axis square tube assembly through a first X-axis assembly and a second X-axis assembly, the Z-axis square tube assembly can move in the front-back direction and the up-down direction, and a driving motor and a transmission shaft are arranged in the R-axis square tube assembly and can move in the front-back direction; the first X-axis assembly component and the second X-axis assembly component are respectively connected to two ends of the R-axis square tube component. The technical problem of lower shelves simple structure, can not adjust installation error, cause the machining precision to hang down is solved.

Also, for example, the Chinese patent application number is: CN201510523854.2, published date: 2015, 11 and 18 months, discloses a rear material blocking device for a bending machine and the bending machine, wherein the rear material blocking device for the bending machine comprises two linear guide rails which are arranged in parallel, plankers are arranged on the two linear guide rails and can move on the two linear guide rails, the plankers are connected with a screw rod, the screw rod is connected with a front-back movement servo motor, and two lifting devices are arranged on the plankers.

The bender of above-mentioned two kinds of schemes all adopts back dam device to treat the work piece of bending and fixes a position, however, adopt this kind of back dam to carry out the bender of work piece location on the one hand, the plate can only get into from the unilateral direction of bender promptly the front side, make the arranging installation space of bender entire system need consider more, it is comparatively troublesome, on the other hand keeps off the material through the back and when carrying out the work piece location of bending, when the work piece touches the corresponding part that keeps off the material after, the material is kept off to the fixed easy error that appears of work piece after, and to longer work piece, after bending the work piece, if need bend same work piece once more, just need keep off the position of corresponding part and readjust after to, it is very troublesome, and often need put the work piece again, it is time and energy consuming.

Disclosure of Invention

1. Problems to be solved

To the problem that the current bender location is troublesome and the error appears easily when carrying out the panel work piece and bending, the utility model provides a mechanical type bender automatic feeding, it can realize the accurate positioning to panel bending position when carrying out the pay-off to panel, and when bending many times to same work piece, material feeding unit's regulation convenient and fast.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

An automatic feeding device of a mechanical bending machine comprises a frame, a box body, a stop pillar and a mechanical induction mechanism; the rack is provided with a guide rail along the feeding direction, the lower part of the box body is provided with a slide block matched with the guide rail, the box body is controlled by a box body driving mechanism to move along the guide rail, and the bumping post is arranged at the front end of the box body; the mechanical sensing mechanism comprises a rotating shaft, a guide rod, a connecting arm, a sensing arm and a sensor; the rotating shaft is vertically arranged, and the upper end and the lower end of the rotating shaft are respectively hinged with the upper end surface and the lower end surface of the box body; the connecting arm and the induction arm are fixedly sleeved on the rotating shaft, one end of the guide rod is fixedly connected with the stop pillar, and the other end of the guide rod is hinged with the connecting arm; the sensor is arranged at the position corresponding to the induction arm on the inner side of the box body, and the sensor and the box body driving mechanism are electrically connected with the electric control device.

As a further improvement of the technical scheme, the number of the guide rods and the number of the connecting arms are two, the two connecting arms are respectively sleeved on the upper portion and the lower portion of the rotating shaft, and the two guide rods are respectively connected with the upper portion and the lower portion of the retaining column.

As a further improvement of the technical scheme, the front end of the box body is provided with a column retaining seat, and a through hole for the guide rod to pass through is arranged on the column retaining seat along the horizontal direction.

As a further improvement of the technical scheme, a spring is sleeved on the guide rod part between the stop post and the stop post seat.

As a further improvement of the technical scheme, a baffle is arranged above the guide rail, and the lower part of the box body is fixedly connected with the sliding block through a connecting block.

As a further improvement of the technical scheme, the upper end surface of the baffle is provided with a universal ball.

As a further improvement of the technical scheme, the lower end of the rack is provided with a lifting mechanism for lifting the rack; the lifting mechanism comprises a base, a bottom plate, a screw and a connecting plate; the base is arranged below the rack and is fixedly connected with the lower end of the screw rod; the bottom plate is arranged at the bottom of the frame and is provided with an adjusting hole; the screw rod penetrates through the adjusting hole and is locked by the nut, and the screw rod extends along the height direction; the connecting plate comprises a bottom surface and a side surface, the bottom surface is fixedly connected with the base, the side surface is provided with a mounting hole, and the side surface is fixedly connected with the bottom plate through a bolt penetrating through the mounting hole.

As a further improvement of the technical scheme, the box body driving mechanism comprises a motor and a rack; the motor is arranged in the box body, the shell of the motor is fixedly connected with the box body, the output shaft of the motor faces downwards and extends out of the bottom of the box body, and the output shaft is sleeved with a gear; the rack is arranged on the rack along the feeding direction, and the gear is meshed with the rack.

As a further improvement of the technical scheme, the adjusting holes and the mounting holes are kidney-shaped holes.

As a further improvement of the technical scheme, the electric control device is a PLC controller.

3. Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model relates to an automatic feeding device of a mechanical bending machine, when a bumping post pushes a workpiece and the workpiece touches a bumping post at the other side, the bumping posts at the two sides can clamp the workpiece and move to one side of a box body close to respective feeding devices and drive a rotating shaft to rotate, so that a sensing arm on the rotating shaft touches a sensor, when the sensors of the feeding devices at the two sides are touched by the sensing arm at the same time, an electric control device controls a box body driving mechanism to stop working, the workpiece stops at a processing position, the feeding device can more accurately position the workpiece by the way of sensing the two sensors at the same time, especially, the upper part and the lower part of the rotating shaft are respectively provided with a connecting arm, when one part of the upper part and the lower part of the bumping rod contacts the workpiece and is propped open by the workpiece to both sides, the part of the bumping rod extruded by the workpiece can drive the, the rotating shaft rotates to drive the other connecting arm to act, and the other connecting arm drives the other part of the blocking rod to move, so that the moving synchronism of the upper part and the lower part of the blocking rod is ensured, and the positioning precision of the workpiece is improved;

(2) the utility model relates to an automatic feeding device of mechanical bending machine, the guide arm part between the bumping post and the box body is sleeved with a spring, when the bumping post is extruded to move towards two sides, the spring is in a compression state, after the bumping post is separated from the workpiece, the spring can lead the bumping post to rapidly recover to the original position, and the induction arm is prevented from mistakenly touching the sensor to influence the bending positioning of the feeding device on the workpiece;

(3) the utility model relates to an automatic feeding device of a mechanical bending machine, a baffle is arranged above a guide rail, thus preventing sundries such as dust and water from falling on the guide rail, avoiding the sundries on the guide rail from influencing the movement of a box body due to excessive sundries, and ensuring the working stability of the feeding device;

(4) the utility model relates to an automatic feeding device of a mechanical bending machine, the upper end surface of a baffle is provided with a universal ball, which can reduce the friction between a box body and the baffle when moving and improve the service life of the feeding device;

(5) the utility model relates to a mechanical type bender automatic feeding, the frame lower extreme is equipped with the elevating system who is used for elevating rack, can adjust material feeding unit's whole height according to actual demand, is adapted to different processing environment.

Drawings

FIG. 1 is an isometric view of a feed device;

FIG. 2 is a front view of the feeding device;

FIG. 3 is a schematic structural diagram of a mechanical sensing mechanism;

FIG. 4 is an enlarged view of the mounting structure of the guide rail and the slider;

FIG. 5 is a schematic structural view of the lifting mechanism;

in the figure: 1. a frame; 11. a guide rail; 12. a baffle plate; 13. a universal ball; 14. a base; 15. a base plate; 151. an adjustment hole; 16. a screw; 17. a connecting plate; 171. a bottom surface; 172. a side surface; 173. mounting holes; 2. a box body; 3. a bumping post; 4. a column block seat; 5. a mechanical sensing mechanism; 51. a rotating shaft; 52. a guide bar; 53. a connecting arm; 54. an induction arm; 6. a rack; 7. an electric motor.

Detailed Description

The invention will be further described with reference to specific embodiments and drawings.

Examples

An automatic feeding device of a mechanical bending machine is used for feeding a workpiece to be bent into a position to be machined of the bending machine. During the in-service use, this material feeding unit installs in pairs in the both sides of bender, sets up more than two pairs under the general condition, generally sets up more pairs, and two at least material feeding units with one side install respectively in the front and back end of bender to can adjust the inclination of the work piece of sending into the bender, then arrange along the length direction of bender equidistant when having more material feeding unit. The specific structure and operation of the feeding device will be described in detail below.

As shown in fig. 1 and 2, the feeding device includes a frame 1, a box 2, a mechanical sensing mechanism 5, an electric control device, and a catch 3 disposed at the front end of the box 2. In this embodiment, the electric control device is a PLC controller.

Wherein, frame 1 includes two stands and installs the mount pad on the stand up end. Two sides of the mounting seat are respectively provided with a guide rail 11 along the feeding direction, the lower part of the box body 2 is provided with a slide block 21 matched with the guide rail 11, and the box body 2 is mounted on the guide rail 11 through the matching of the slide block 21 and the guide rail 11 and is controlled to move along the guide rail 11 by a box body driving mechanism.

Specifically, the box body driving mechanism comprises a motor 7 and a rack 6, the motor 7 is installed in the box body 2, a shell of the motor is fixedly connected with the box body 2, an output shaft of the motor is downward and extends out of the bottom of the box body 2, and a gear is sleeved on the output shaft. The rack 6 is arranged on the mounting seat and extends along the feeding direction, and the gear is meshed with the rack 6, so that when the motor 7 works, an output shaft of the motor drives the gear to rotate, the box body 2 can be driven to move along the guide rail direction, and the stop column 3 pushes the workpiece to move forwards.

As shown in fig. 3, the mechanical sensing mechanism 5 includes a rotating shaft 51, a guide rod 52, a connecting arm 53, a sensing arm 54, and a sensor. The rotating shaft 51 is vertically arranged, and the upper end and the lower end of the rotating shaft are respectively hinged with the upper end surface and the lower end surface of the box body 2 through rotating bearings. The number of the guide rods 52 and the connecting arms 53 is two, the two connecting arms 53 are respectively sleeved on the upper portion and the lower portion of the rotating shaft 51, and the two guide rods 52 are respectively connected with the upper portion and the lower portion of the stop column 3. One end of the guide rod 52 is fixedly connected with the bumping post 3, and the other end is hinged with the connecting arm 53. Specifically, the ends of the connecting arm 53 and the guide rod 52 are respectively hinged with a spherical hinge, the two spherical hinges are provided with screw holes with central axes on the same straight line, the two screw holes are fixedly connected through a screw rod, and the two ends of the screw rod are locked through nuts. By the mode, the distance between the rotating shaft 51 and the tail end of the guide rod 52 can be adjusted according to actual requirements, and the installation is convenient. The induction arms 54 are fixedly sleeved in the middle of the rotating shaft 51, and the sensor is arranged on the inner side wall of the box body 2 at a position corresponding to the induction arms 54 and electrically connected with the electric control device. In addition, when the front end of the box body 2 is provided with the bumping post seat 4, a through hole for the guide rod 52 to pass through is arranged on the bumping post seat 4 along the horizontal direction, the guide rod 52 passes through the through hole and is fixedly connected with the bumping post 3, and the inner wall of the through hole of the bumping post seat 4 can support and guide the guide rod 52. Meanwhile, the front side wall of the box body 2 is also provided with a through hole for the guide rod 52 to pass through, which corresponds to the position of the through hole on the stop pillar seat 4.

When the stop columns 3 push the workpiece and the workpiece touches the stop column 3 on the other side, the stop columns 3 on both sides clamp the workpiece and move to one side of the box body 2 close to the feeding devices respectively, and drive the rotating shaft 51 to rotate, so that the sensing arm 54 on the rotating shaft 51 touches the sensor. When the sensors of the feeding devices on the two sides of bending machine 4 are simultaneously touched by sensing arm 54, the electric control device controls the box driving mechanism to stop working, and the workpiece stops at the processing position. The mode that two sensors simultaneously sense enables the feeding device to more accurately position the workpiece, particularly, the upper portion and the lower portion of the rotating shaft are respectively provided with the connecting arm 53, when one of the upper portion and the lower portion of the retaining column 3 is in contact with the workpiece and is propped open towards two sides by the workpiece, the portion, extruded by the workpiece, of the retaining column 3 drives the rotating shaft 51 to rotate through the guide rod 52 and the connecting arm 53, the rotating shaft 51 rotates to drive the other connecting arm 54 to act, the other connecting arm 53 drives the other portion of the retaining column 3 to move, the moving synchronism of the upper portion and the lower portion of the retaining column 3 is guaranteed, and the positioning accuracy of the workpiece is improved. In addition, the stop columns 3 on the two sides of the bending machine 4 can also play a role in clamping the workpiece, so that the workpiece is prevented from being separated from a processing position before the workpiece is pressed and bent, and the processing precision of the workpiece is further ensured.

In addition, when the front end of the box body 2 is provided with the bumping post seat 4, a through hole for the guide rod 52 to pass through is arranged on the bumping post seat 4 along the horizontal direction, the guide rod 52 passes through the through hole and is fixedly connected with the bumping post 3, and the inner wall of the through hole of the bumping post seat 4 can support and guide the guide rod 52. Meanwhile, the front side wall of the box body 2 is also provided with a through hole for the guide rod 52 to pass through, which corresponds to the position of the through hole on the stop pillar seat 4.

As shown in fig. 1 and 4, a baffle 12 is disposed above the guide rail 11, a certain space is formed between the baffle 12 and the guide rail 11, and the lower part of the box body 2 is fixedly connected with a slide block 21 through a connecting block 22. The connecting block 22 is of an L-shaped structure, the upper end face of the vertical section of the connecting block is fixedly connected with the bottom of the box body 2, the sliding block 21 is installed on the horizontal section of the connecting block, the sliding block 21 can be installed on the guide rail 11 in a mode of avoiding the baffle 12, and the sliding block 21 is located in a space between the baffle 12 and the guide rail 11. The baffle 12 can prevent impurities such as dust and water from falling on the guide rail 11, so that the influence of the impurities on the guide rail 11 on the movement of the box body 2 is avoided, and the working stability of the feeding device is ensured.

In addition, the box body 2 is supported by the slide block 21 alone and is arranged on the guide rail 11, which easily damages the slide block 21 and the guide rail 11, so the baffle plate 12 can also support the bottom of the box body 2 and play a role of supporting the box body 2. In order to ensure that the box body 2 moves smoothly on the baffle 12, the universal balls 13 are arranged on the baffle 12, and the universal balls 13 are arranged on the baffle 12 at equal intervals along the feeding direction. The universal ball 13 can reduce the friction between the box body 2 and the baffle 12 when moving, and the service life of the feeding device is prolonged.

The lower end of the upright post of the frame 1 is provided with a feeding mechanism for lifting the frame 1 and adjusting the overall height of the feeding device, and the lifting mechanism can adjust the overall height of the feeding device according to actual requirements and is suitable for different processing environments. The lifting mechanism can adopt conventional structures such as a hydraulic cylinder, a screw rod lifter, an air cylinder and the like, and only the upright post is required to be arranged on the lifting part of the lifting mechanism, but the equipment cost, the installation cost and the maintenance cost are higher, so the following structures are adopted in the embodiment.

As shown in fig. 5, the lifting mechanism includes a base 14, a bottom plate 15, a screw 16, and a connecting plate 17. Wherein, the base 14 is arranged below the upright column and is fixedly connected with the lower end of the screw 16, and the bottom plate 15 is arranged at the bottom of the upright column and is provided with an adjusting hole 151. The threaded spindle 16 passes through the adjusting opening 151 and is locked by a nut, which extends in the height direction. The connecting plate 17 includes a bottom surface 171 and a side surface 172, the bottom surface 171 is fixedly connected to the base 14, the side surface 172 is provided with a mounting hole 173, and the side surface 172 is fixedly connected to the bottom plate 15 by a bolt passing through the mounting hole 173. After the overall height of the upright post is adjusted, the upright post is fixed on the base 14 through the screw 16 and the nuts and bolts on the mounting holes 173, and then the adjustment of the overall height of the upright post can be completed. In this embodiment, the adjusting holes 151 are waist-shaped holes, and the positions of the vertical columns in the horizontal direction can be adjusted at the same time. The mounting holes 173 are also kidney-shaped holes, so that the height of the columns can be adjusted more conveniently.

In summary, the automatic feeding device for the mechanical bending machine of the embodiment can realize accurate positioning of the bending position of the plate while feeding the plate, and the feeding device can be adjusted conveniently and quickly when the same workpiece is bent for multiple times.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a mechanical type bender automatic feeding which characterized in that: comprises a frame (1), a box body (2), a retaining column (3) and a mechanical induction mechanism (5); a guide rail (11) is arranged on the rack (1) along the feeding direction, a sliding block (21) matched with the guide rail (11) is arranged at the lower part of the box body (2), the box body (2) is controlled to move along the guide rail (11) through a box body driving mechanism, and the retaining column (3) is arranged at the front end of the box body (2); the mechanical sensing mechanism (5) comprises a rotating shaft (51), a guide rod (52), a connecting arm (53), a sensing arm (54) and a sensor; the rotating shaft (51) is vertically arranged, and the upper end and the lower end of the rotating shaft are respectively hinged with the upper end surface and the lower end surface of the box body (2); the connecting arm (53) and the induction arm (54) are fixedly sleeved on the rotating shaft (51), one end of the guide rod (52) is fixedly connected with the retaining column (3), and the other end of the guide rod is hinged with the connecting arm (53); the sensor is arranged at the position corresponding to the induction arm (54) on the inner side of the box body (2), and the sensor and the box body driving mechanism are electrically connected with the electric control device.

2. The automatic feeding device of mechanical bending machine according to claim 1, characterized in that: the two guide rods (52) and the two connecting arms (53) are respectively provided, the two connecting arms (53) are respectively sleeved on the upper portion and the lower portion of the rotating shaft (51), and the two guide rods (52) are respectively connected with the upper portion and the lower portion of the retaining column (3).

3. The automatic feeding device of mechanical bending machine according to claim 2, characterized in that: the front end of the box body (2) is provided with a column retaining seat (4), and a through hole for the guide rod (52) to pass through is arranged on the column retaining seat (4) along the horizontal direction.

4. The automatic feeding device of mechanical bending machine according to claim 3, characterized in that: and a spring is sleeved on the guide rod (52) between the stop post (3) and the stop post seat (4).

5. The automatic feeding device of mechanical bending machine according to claim 1, characterized in that: a baffle (12) is arranged above the guide rail (11), and the lower part of the box body (2) is fixedly connected with the sliding block (21) through a connecting block (22).

6. The automatic feeding device of mechanical bending machine according to claim 5, characterized in that: the upper end surface of the baffle (12) is provided with a universal ball (13).

7. The automatic feeding device of mechanical bending machine according to any one of claims 1 to 6, characterized in that: the lower end of the rack (1) is provided with a lifting mechanism for lifting the rack (1); the lifting mechanism comprises a base (14), a bottom plate (15), a screw (16) and a connecting plate (17); the base (14) is arranged below the rack (1) and is fixedly connected with the lower end of the screw rod (16); the bottom plate (15) is arranged at the bottom of the frame (1), and is provided with an adjusting hole (151); the screw (16) passes through the adjusting hole (151) and is locked by a nut, and the screw extends along the height direction; the connecting plate (17) comprises a bottom surface (171) and a side surface (172), the bottom surface (171) is fixedly connected with the base (14), the side surface (172) is provided with a mounting hole (173), and the side surface (172) is fixedly connected with the bottom plate (15) through a bolt penetrating through the mounting hole (173).

8. The automatic feeding device of mechanical bending machine according to any one of claims 1 to 6, characterized in that: the box body driving mechanism comprises a motor (7) and a rack (6); the motor (7) is arranged in the box body (2), the shell of the motor is fixedly connected with the box body (2), the output shaft of the motor is downward and extends out of the bottom of the box body (2), and the output shaft is sleeved with a gear; the rack (6) is arranged on the rack (1) along the feeding direction, and the gear is meshed with the rack (6).

9. The automatic feeding device of mechanical bending machine according to claim 7, characterized in that: the adjusting hole (151) and the mounting hole (173) are waist-shaped holes.

10. The automatic feeding device of mechanical bending machine according to any one of claims 1 to 6, characterized in that: the electric control device is a PLC controller.