CN208131726U - A kind of automatic tool changer formula plate end apparatus for bending - Google Patents

Abstract

An automatic tool-changing plate end bending device, including a pair of lower folding knives set at intervals up and down for bending plates, the two ends of the lower folding knives are synchronously slid and installed on the frame through the slider, and the frame A power mechanism for driving the slider to reciprocate up and down is also installed, and the slider drives the lower jackknife to reciprocate up and down to realize the automatic switching of the two lower jackknives. In this application, the automatic tool change drive mechanism is formed through the cooperation of the slider and the first drive mechanism, which can realize automatic tool change on a bending device, and control the free switching of the two bending knives through the up and down reciprocating motion of the slider. During the installation process of the first bending knife, only the vertical position is adjusted, so there is no need to reposition. It is only necessary to control the movement stroke of the hydraulic cylinder to control the adjustment of the bending knife in place. The adjustment is convenient and quick, and the processing efficiency of the end of the plate is greatly improved. .

Description

An automatic tool-changing plate end bending device

technical field

The utility model belongs to the processing field of metal plates, in particular to a bending device for metal plates.

Background technique

Metal sheets are usually divided into thin plates, medium plates, thick plates, and extra-thick plates, usually made into standard-sized flat rectangular materials, and plates often need to be cut and bent during use, especially for the ends of the plates. For the end of the plate, it usually needs to be bent with at least two knives.

Usually the bending operation is handled by the bending machine or the bending center, and in the working process of the bending machine or the bending center, it is often necessary to stop the machine to change the tool during the bending process of the end of the plate, or through two different The final processing can only be achieved by the cooperation of the machine tools, and the operation is time-consuming and labor-intensive.

Utility model content

The purpose of the utility model is to provide an automatic tool-changing plate end bending device to solve the problem that the existing bending device needs to perform multiple tool change positioning or the cooperation of multiple devices when processing the end of the plate.

The utility model is for solving the deficiencies of the above-mentioned technical problems, and the technical scheme adopted is:

An automatic tool-changing plate end bending device, including several upper folding knives, lower beams, frame and workbench, the upper folding knives are installed side by side on the lower beam, and the lower beam is slidably installed on the frame and drives the upper folding knives Up and down reciprocating movement, the workbench is fixed on the lower beam, and the workbench cooperates with the upper jackknife to clamp the plate to be bent. It also includes a pair of lower jackknives set up and down at intervals for bending the plate. The two ends of the lower jackknife pass through The slider is synchronously slid and installed on the frame, and a power mechanism for driving the slider to reciprocate up and down is also installed on the frame. The slider drives the lower jackknife to reciprocate up and down to realize the automatic switching of the two lower jackknives. The lower jackknife The upper part is connected with a first driving mechanism for driving and rotating, and the lower folding knife is driven to rotate through the first driving mechanism to drive the lower folding knife to bend the plate. After the folding knife is driven by the first driving mechanism to realize the bending action, the slider slides to transfer the folding knife away and then resets, and then controls the second lower folding knife to be in place and then starts bending processing. The positioning of the plate adopts a conventional positioning device. This is a conventional technique in the art and is not described in detail.

A pair of guide pillars are fixed on the top of the lower beam, and the guide pillars slide through the sliding bearing installed on the top of the frame. There is a second drive mechanism for driving the lower beam to reciprocate up and down along the direction of the sliding bearing. The upper folding knife is driven to reciprocate up and down by the second drive mechanism to clamp the plate during the bending action, and release the plate when the bending is completed, so as to facilitate Adjust the position of the board.

The second driving mechanism is a hydraulic cylinder.

The workbench is also provided with a whole plate mechanism for determining the position of the plate, the whole plate mechanism includes a pair of symmetrically arranged U-shaped positioning plates, the installation position of the U-shaped positioning plate matches the position of the upper jackknife and the lower jackknife, The positioning of the plate along the length direction of the folding knife is determined by the U-shaped positioning plate, and a positioning device for determining the length direction of the plate perpendicular to the folding knife is also provided on one side of the bending device, so as to facilitate the bending position of the plate to be bent Located at the edge of the lower folding knife, any positioning device known in the industry to realize the positioning of the plate can be used, so no detailed description will be given.

The lower jackknife includes a jackknife holder and a lower cutter head, and the lower cutter head is fixed on the jackknife holder by fasteners, and the two ends of the jackknife holder are vertical to the blade of the lower cutter head of the jackknife holder. A section is extended in the direction to form a connecting shaft. A driving shaft is fixed on the connecting shaft at one end of the jackknife holder, and a rotating shaft is fixed on the connecting shaft at the other end. The block is connected with the first drive mechanism through the slide block.

The slider includes a slider body, two bearing holes are opened on the slider body, both ends of the lower jackknife are pierced in the bearing holes, a power connection plate is fixed on the top of the slider body, and the power connection plate and the power mechanism Connection, the slider body is provided with a number of slide rail seats that cooperate with the slide rails on the frame, and the slider body is slid on the frame through the cooperation of the slide rail seats and the slide rails. A support plate is also fixed on one end, and the first driving mechanism is installed on the support plate.

The first driving mechanism is any one of a stepping motor or a hydraulic cylinder.

The stepping motor is fixed on the support plate, and the output end of the stepping motor is fixed on the driving shaft of the lower folding knife.

One end of the hydraulic cylinder is installed on the support plate through a rotating shaft, the other end of the hydraulic cylinder is connected with a transmission shaft through a rotating shaft, the other end of the transmission shaft is fixed on the driving shaft of the lower jackknife, and the piston of the hydraulic cylinder reciprocates The motion drive transmission shaft drives the drive shaft of the jackknife to rotate.

The beneficial effects of the utility model are: the application forms an automatic tool change drive mechanism through the cooperation of the slider and the first drive mechanism, which can realize automatic tool change on a bending device, and control the two bending devices through the up and down reciprocating movement of the slider. The free switching of the machete, since the two bending knives are only adjusted in the vertical position during the installation process, so there is no need to reposition, only need to control the movement stroke of the hydraulic cylinder to control the adjustment of the bending knives in place, the adjustment is convenient and fast, for The end processing efficiency of the plate is greatly improved.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the present application.

FIG. 2 is a rear view of FIG. 1 following the present application.

Fig. 3 is a cross-sectional view along C-C direction in Fig. 2 of the present application.

Fig. 4 is a schematic diagram of the three-dimensional structure of the present application.

Fig. 5 is a side view of Fig. 1 in the present application.

FIG. 6 is a structural schematic diagram of the application in which the lower jackknife is in a working position.

Fig. 7 is a cross-sectional view along B-B in Fig. 6 of the present application.

FIG. 8 is a schematic perspective view of a perspective structure different from that of FIG. 4 .

Fig. 9 is a schematic structural diagram of the slider in the present application.

Figure 10 is a schematic structural view of the jackknife.

Icon marks: 1, workbench, 2, lower jackknife, 201, lower knife head, 202, jackknife holder, 203, fastener, 204, driving shaft, 205, rotating shaft, 3, frame, 4 , Upper folding knife, 5, Sliding bearing, 6, Second drive mechanism, 7, Guide column, 8, Power mechanism, 9, Automatic tool change drive mechanism, 901, Sensor, 902, Clamping bolt, 903, Transmission shaft, 904, rotating shaft, 905, hydraulic cylinder, 906, support plate, 907, bearing hole, 908, slide block body, 909, slide rail seat, 910, power connecting plate, 10, lower beam, 11, whole plate mechanism.

Detailed ways

As shown in the figure, the specific implementation method is as follows:

An automatic tool-changing plate end bending device, comprising several upper folding knives 4, a lower beam 10, a frame 3 and a workbench 1, the upper folding knives 4 are installed side by side on the lower beam 10, and the lower beam 10 is slidably installed on the machine The frame 3 drives the upper jackknife 4 to reciprocate up and down. The workbench 1 is fixed on the lower beam 10. The workbench 1 and the upper jackknife 4 cooperate to clamp the plate to be bent. It also includes a pair of upper and lower intervals for bending. The lower jackknife 2 of the plate, the two ends of the lower jackknife 2 are synchronously slidably installed on the frame 3 through the slider, and the same ends of the two lower jackknife 2 are fixed on the same slider, and the slider includes a slider The block body 908 is provided with two bearing holes 907 on the slider body 908, and the two ends of the lower jackknife 2 are all pierced in the bearing holes. The top of the slider body 908 is fixed with a power connecting plate 910, and the power connecting plate 910 is connected to the power mechanism. 8 connection, the slider body 908 is provided with a number of slide rail seats 909 that cooperate with the slide rails on the frame, and the slider body 908 is slidably arranged on the frame 3 through the cooperation of the slide rail seats 909 and the slide rails. A support plate 906 is also fixed on the end of the body 908 away from the lower folding knife 2 , and the first driving mechanism is installed on the support plate 906 . A power mechanism 8 for driving the slide block to reciprocate up and down is also installed on the frame 3, and the slide block drives the lower jackknife 2 to move up and down to realize the automatic switching of the two lower jackknives 2, and the lower jackknife 2 is connected with a The first driving mechanism that drives the rotation drives the lower folding knife to rotate through the first driving mechanism to drive the lower folding knife 2 to bend the plate. After the first driving mechanism drives it to realize the bending action, after the slider slides to transfer the folding knife away, the lower folding knife is reset under the action of the first driving mechanism, and then the bending process starts after controlling the second lower folding knife to be in place After the completion, control the slider to reset and reset the previous lower jackknife. Repeat the above process to realize continuous tool change processing. The positioning of the plate adopts a conventional positioning device, which is a conventional technology in this field and will not be described in detail.

A pair of guide pillars 7 are fixed on the top of the lower beam 10, and the guide pillars 7 slide and pass through the sliding bearing 5 installed on the top of the frame, and the lower beam 10 is slidably installed on the frame through the cooperation of the guide pillars 7 and the sliding bearing 5. 3, the frame 3 is also equipped with a second drive mechanism 6 for driving the lower beam to reciprocate up and down along the direction of the sliding bearing, through which the second drive mechanism 6 drives the upper jackknife 4 to reciprocate up and down to realize clamping during the bending action. Sheet, loosen the sheet when the bending is completed, so as to adjust the position of the sheet.

The second driving mechanism is a hydraulic cylinder.

Said workbench 1 is also provided with a plate-setting mechanism 11 for determining the position of the plate. The plate-setting mechanism 11 includes a pair of symmetrically arranged U-shaped positioning plates. Matching each other, the positioning of the plate along the length direction of the folding knife is determined by the U-shaped positioning plate, and a positioning device for determining the length direction of the vertical folding knife of the plate is also provided on one side of the bending device, so as to facilitate the positioning of the plate to be bent The bending position is located at the edge of the lower jackknife, and any positioning device known in the industry to realize the positioning of the plate can be used, so no detailed description will be given.

Described lower jackknife 2 comprises jackknife holder 202 and lower cutter head 201, and lower cutter head is fixed on the jackknife holder by fastener 203, and fastener 203 is a mounting bolt, two of jackknife holder 202 Both ends are perpendicular to the jackknife holder 202 and extend a section toward the blade of the knife head to form a connecting shaft. A drive shaft 204 is fixed on the connecting shaft at one end of the jackknife holder 202, and a rotating shaft 205 is fixed on the connecting shaft at the other end. , the rotating shaft 205 is rotatably arranged on the slider, and the drive shaft 204 is rotatably arranged on the slider and passes through the slider to connect with the first driving mechanism.

The first driving mechanism is a hydraulic cylinder.

One end of the hydraulic cylinder 905 is mounted on the support plate 906 through a rotating shaft, the other end of the hydraulic cylinder is connected with a transmission shaft 903 through a rotating shaft 904, and the other end of the transmission shaft 903 is fixed on the drive shaft 204 of the lower jackknife. The fixed installation is realized by the clamping bolt 902, and the drive shaft 903 of the jackknife is driven to rotate by the reciprocating motion of the piston of the hydraulic cylinder. The degree of rotation of the drive shaft 903 is detected to control the degree of rotation of the drive shaft 204, thereby controlling the bending action and reset of the lower folding knife.

One of the two bearing holes on the slide block on the same side passes through the drive shaft 204 of the lower jackknife, and the other bearing hole passes through the rotating shaft 205 of the other lower jackknife, because in order to avoid the length of the hydraulic cylinder from interfering with each other and maintaining The overall stability of the device requires that the two sliders be installed oppositely and symmetrically.

The technical solutions and implementations listed in the utility model are not limiting, and the solutions that are equivalent to or have the same effect as the technical solutions and implementations listed in the utility model are all within the protection scope of the utility model.

Claims (9)

1. An automatic tool-changing plate end bending device, including several upper folding knives, lower beams, frame and workbench, the upper folding knives are installed side by side on the lower beam, and the lower beam is slidably installed on the frame and drives the upper The jackknife reciprocates up and down, the workbench is fixed on the lower beam, and the workbench cooperates with the upper jackknife to clamp the plate to be bent. The two ends of the folding knife are mounted on the frame through the sliding block synchronously, and the power mechanism for driving the sliding block to reciprocate up and down is also installed on the frame. Automatic switching, the lower folding knife is connected with a first driving mechanism that drives the rotation, and the lower folding knife is driven to rotate through the first driving mechanism to drive the lower folding knife to bend the plate, and the slider and the first driving mechanism cooperate to form an automatic tool changer Drive mechanism. 2. An automatic tool-changing plate end bending device according to claim 1, characterized in that: a pair of guide columns are fixed on the top of the lower beam, and the guide columns are slidably mounted on the top of the frame. In the sliding bearing, the lower beam is slidably installed on the frame through the cooperation of the guide column and the sliding bearing, and the frame is also equipped with a second driving mechanism for driving the lower beam to reciprocate up and down along the direction of the sliding bearing. 3. An automatic tool-changing plate end bending device according to claim 2, wherein the second driving mechanism is a hydraulic cylinder. 4. An automatic tool-changing plate end bending device according to claim 1, characterized in that: the workbench is also provided with a plate-setting mechanism for determining the position of the plate, and the plate-setting mechanism includes a pair of The U-shaped positioning plate is symmetrically arranged, and the installation position of the U-shaped positioning plate matches the positions of the upper jackknife and the lower jackknife, and the positioning of the plate along the length direction of the jackknife is determined by the U-shaped positioning plate. 5. An automatic tool-changing plate end bending device according to claim 1, wherein the lower folding knife includes a folding knife holder and a lower knife head, and the lower knife head is fixed by a fastener On the jackknife holder, both ends of the jackknife holder are perpendicular to the direction of the knife edge of the folding knife holder to extend a section to form a connecting shaft, and a drive shaft is fixed on the connecting shaft at one end of the folding knife holder. A rotating shaft is fixed on the connecting shaft at the other end, the rotating shaft is rotatably arranged on the slider, and the driving shaft is rotatably arranged on the slider and passes through the slider to be connected with the first driving mechanism. 6. An automatic tool-changing plate end bending device according to claim 1, characterized in that: the slider includes a slider body, and two bearing holes are opened on the slider body, and the lower folding knife Both ends are installed in the bearing holes, the top of the slider body is fixed with a power connection plate, the power connection plate is connected with the power mechanism, and the slider body is provided with a number of slide rail seats that cooperate with the slide rails on the frame. The slide rail seat and the slide rail cooperate to slide the slider body on the frame, and the end of the slider body away from the lower folding knife is also fixed with a support plate, and the first driving mechanism is installed on the support plate. 7. An automatic tool-changing plate end bending device according to claim 1, 5 or 6, wherein the first driving mechanism is any one of a stepping motor or a hydraulic cylinder. 8. An automatic tool-changing plate end bending device according to claim 7, characterized in that: the stepping motor is fixed on the support plate, and the output end of the stepping motor is fixed on the drive of the lower folding knife on axis. 9. An automatic tool-changing plate end bending device according to claim 7, characterized in that: one end of the hydraulic cylinder is installed on the support plate through the rotating shaft, and the other end of the hydraulic cylinder is passed The rotating shaft is connected with a transmission shaft, and the other end of the transmission shaft is fixed on the drive shaft of the lower jackknife, and the piston reciprocating motion of the hydraulic cylinder drives the transmission shaft to drive the drive shaft of the jackknife to rotate.